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mode 100644 vendor/golang.org/x/crypto/AUTHORS create mode 100644 vendor/golang.org/x/crypto/CONTRIBUTORS create mode 100644 vendor/golang.org/x/crypto/LICENSE create mode 100644 vendor/golang.org/x/crypto/PATENTS create mode 100644 vendor/golang.org/x/crypto/pbkdf2/pbkdf2.go create mode 100644 vendor/google.golang.org/appengine/LICENSE create mode 100644 vendor/google.golang.org/appengine/cloudsql/cloudsql.go create mode 100644 vendor/google.golang.org/appengine/cloudsql/cloudsql_classic.go create mode 100644 vendor/google.golang.org/appengine/cloudsql/cloudsql_vm.go create mode 100644 vendor/gopkg.in/ini.v1/.gitignore create mode 100644 vendor/gopkg.in/ini.v1/LICENSE create mode 100644 vendor/gopkg.in/ini.v1/Makefile create mode 100644 vendor/gopkg.in/ini.v1/README.md create mode 100644 vendor/gopkg.in/ini.v1/codecov.yml create mode 100644 vendor/gopkg.in/ini.v1/data_source.go create mode 100644 vendor/gopkg.in/ini.v1/deprecated.go create mode 100644 vendor/gopkg.in/ini.v1/error.go create mode 100644 vendor/gopkg.in/ini.v1/file.go create mode 100644 vendor/gopkg.in/ini.v1/helper.go create mode 100644 vendor/gopkg.in/ini.v1/ini.go create mode 100644 vendor/gopkg.in/ini.v1/key.go create mode 100644 vendor/gopkg.in/ini.v1/parser.go create mode 100644 vendor/gopkg.in/ini.v1/section.go create mode 100644 vendor/gopkg.in/ini.v1/struct.go create mode 100644 vendor/gopkg.in/macaron.v1/.gitignore create mode 100644 vendor/gopkg.in/macaron.v1/LICENSE create mode 100644 vendor/gopkg.in/macaron.v1/README.md create mode 100644 vendor/gopkg.in/macaron.v1/codecov.yml create mode 100644 vendor/gopkg.in/macaron.v1/context.go create mode 100644 vendor/gopkg.in/macaron.v1/go.mod create mode 100644 vendor/gopkg.in/macaron.v1/go.sum create mode 100644 vendor/gopkg.in/macaron.v1/logger.go create mode 100644 vendor/gopkg.in/macaron.v1/macaron.go create mode 100644 vendor/gopkg.in/macaron.v1/macaronlogo.png create mode 100644 vendor/gopkg.in/macaron.v1/recovery.go create mode 100644 vendor/gopkg.in/macaron.v1/render.go create mode 100644 vendor/gopkg.in/macaron.v1/response_writer.go create mode 100644 vendor/gopkg.in/macaron.v1/return_handler.go create mode 100644 vendor/gopkg.in/macaron.v1/router.go create mode 100644 vendor/gopkg.in/macaron.v1/static.go create mode 100644 vendor/gopkg.in/macaron.v1/tree.go create mode 100644 vendor/gopkg.in/macaron.v1/util_go17.go create mode 100644 vendor/gopkg.in/macaron.v1/util_go18.go diff --git a/go.mod b/go.mod index d65b4903ed4..5f81e6f5852 100644 --- a/go.mod +++ b/go.mod @@ -2,4 +2,11 @@ module github.com/grafana/alerting-api go 1.15 -require github.com/prometheus/alertmanager v0.21.1-0.20210211203738-a7ca7b1d2951 +require ( + github.com/go-macaron/session v1.0.2 // indirect + github.com/gosimple/slug v1.9.0 // indirect + github.com/grafana/grafana v5.4.5+incompatible + github.com/inconshreveable/log15 v0.0.0-20201112154412-8562bdadbbac // indirect + github.com/prometheus/alertmanager v0.21.1-0.20210211203738-a7ca7b1d2951 + github.com/teris-io/shortid v0.0.0-20201117134242-e59966efd125 // indirect +) diff --git a/go.sum b/go.sum index 5e668a8b377..b409c2ad92d 100644 --- a/go.sum +++ b/go.sum @@ -1,5 +1,7 @@ cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +gitea.com/lunny/log v0.0.0-20190322053110-01b5df579c4e/go.mod h1:uJEsN4LQpeGYRCjuPXPZBClU7N5pWzGuyF4uqLpE/e0= +gitea.com/lunny/nodb v0.0.0-20200923032308-3238c4655727/go.mod h1:h0OwsgcpJLSYtHcM5+Xciw9OEeuxi6ty4HDiO8C7aIY= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0= github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU= @@ -34,6 +36,8 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM= github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw= github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs= +github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 h1:U/lr3Dgy4WK+hNk4tyD+nuGjpVLPEHuJSFXMw11/HPA= +github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA= github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ= github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM= github.com/cenkalti/backoff/v4 v4.0.2/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8Bog/87DQnVg= @@ -49,12 +53,18 @@ github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk= github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4= github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA= +github.com/couchbase/go-couchbase v0.0.0-20201026062457-7b3be89bbd89/go.mod h1:+/bddYDxXsf9qt0xpDUtRR47A2GjaXmGGAqQ/k3GJ8A= +github.com/couchbase/gomemcached v0.1.1/go.mod h1:mxliKQxOv84gQ0bJWbI+w9Wxdpt9HjDvgW9MjCym5Vo= +github.com/couchbase/goutils v0.0.0-20201030094643-5e82bb967e67/go.mod h1:BQwMFlJzDjFDG3DJUdU0KORxn88UlsOULuxLExMh3Hs= github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY= +github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76/go.mod h1:vYwsqCOLxGiisLwp9rITslkFNpZD5rz43tf41QFkTWY= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78= +github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc= github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk= github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk= @@ -69,6 +79,7 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4= github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= +github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ= github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04= github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q= @@ -80,6 +91,11 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk= github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4= github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A= +github.com/go-macaron/inject v0.0.0-20160627170012-d8a0b8677191/go.mod h1:VFI2o2q9kYsC4o7VP1HrEVosiZZTd+MVT3YZx4gqvJw= +github.com/go-macaron/inject v0.0.0-20200308113650-138e5925c53b h1:/aWj44HoEycE4MDi2HZf4t+XI7hKwZRltZf4ih5tB2c= +github.com/go-macaron/inject v0.0.0-20200308113650-138e5925c53b/go.mod h1:VFI2o2q9kYsC4o7VP1HrEVosiZZTd+MVT3YZx4gqvJw= +github.com/go-macaron/session v1.0.2 h1:mP6K4FweVzq6VpQpHbMhNWd1si80HJwFZhxNVpqas6w= +github.com/go-macaron/session v1.0.2/go.mod h1:kEa+q2raCWCvvaN8pMbyCtp9Mg/37J6zKah2iOKEass= github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI= github.com/go-openapi/analysis v0.17.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik= github.com/go-openapi/analysis v0.18.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik= @@ -134,7 +150,12 @@ github.com/go-openapi/validate v0.18.0/go.mod h1:Uh4HdOzKt19xGIGm1qHf/ofbX1YQ4Y+ github.com/go-openapi/validate v0.19.2/go.mod h1:1tRCw7m3jtI8eNWEEliiAqUIcBztB2KDnRCRMUi7GTA= github.com/go-openapi/validate v0.19.3/go.mod h1:90Vh6jjkTn+OT1Eefm0ZixWNFjhtOH7vS9k0lo6zwJo= github.com/go-openapi/validate v0.19.8/go.mod h1:8DJv2CVJQ6kGNpFW6eV9N3JviE1C85nY1c2z52x1Gk4= +github.com/go-redis/redis/v8 v8.4.0 h1:J5NCReIgh3QgUJu398hUncxDExN4gMOHI11NVbVicGQ= +github.com/go-redis/redis/v8 v8.4.0/go.mod h1:A1tbYoHSa1fXwN+//ljcCYYJeLmVrwL9hbQN45Jdy0M= +github.com/go-sql-driver/mysql v1.4.0 h1:7LxgVwFb2hIQtMm87NdgAVfXjnt4OePseqT1tKx+opk= github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= +github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA= +github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w= github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk= github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY= github.com/gobuffalo/attrs v0.0.0-20190224210810-a9411de4debd/go.mod h1:4duuawTqi2wkkpB4ePgWMaai6/Kc6WEz83bhFwpHzj0= @@ -189,15 +210,23 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4= github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.3/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI= github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= github.com/gopherjs/gopherjs 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v5.4.5+incompatible h1:xNuhSBxLgwDwesuQIAhQu1QCk6tD0TAghKHE36/hxrs= +github.com/grafana/grafana v5.4.5+incompatible/go.mod h1:U8QyUclJHj254BFcuw45p6sg7eeGYX44qn1ShYo5rGE= github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs= github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk= github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t/GYV9WGTSLVdBhOQFDY= @@ -225,6 +254,8 @@ github.com/hashicorp/memberlist v0.2.2/go.mod h1:MS2lj3INKhZjWNqd3N0m3J+Jxf3DAOn github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg= +github.com/inconshreveable/log15 v0.0.0-20201112154412-8562bdadbbac h1:n1DqxAo4oWPMvH1+v+DLYlMCecgumhhgnxAPdqDIFHI= 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h1:kHHU4qYBaI3q23Pp3VPrmWhuIUrLW/7eUrw0BU5VaoM= +github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s= +github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA= github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA= github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM= github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY= @@ -400,8 +455,15 @@ github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UV github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4= github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ= +github.com/teris-io/shortid v0.0.0-20201117134242-e59966efd125 h1:3SNcvBmEPE1YlB1JpVZouslJpI3GBNoiqW7+wb0Rz7w= +github.com/teris-io/shortid v0.0.0-20201117134242-e59966efd125/go.mod h1:M8agBzgqHIhgj7wEn9/0hJUZcrvt9VY+Ln+S1I5Mha0= github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk= github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U= +github.com/unknwon/com v0.0.0-20190804042917-757f69c95f3e/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnlCXM= +github.com/unknwon/com v1.0.1 h1:3d1LTxD+Lnf3soQiD4Cp/0BRB+Rsa/+RTvz8GMMzIXs= +github.com/unknwon/com v1.0.1/go.mod h1:tOOxU81rwgoCLoOVVPHb6T/wt8HZygqH5id+GNnlCXM= github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA= github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0= github.com/vektah/gqlparser v1.1.2/go.mod h1:1ycwN7Ij5njmMkPPAOaRFY4rET2Enx7IkVv3vaXspKw= @@ -420,6 +482,8 @@ go.mongodb.org/mongo-driver v1.3.0/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk= go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk= go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw= +go.opentelemetry.io/otel v0.14.0 h1:YFBEfjCk9MTjaytCNSUkp9Q8lF7QJezA06T71FbQxLQ= +go.opentelemetry.io/otel v0.14.0/go.mod h1:vH5xEuwy7Rts0GNtsCW3HYQoZDY+OmBJ6t1bFGGlxgw= go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE= go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ= go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0= @@ -440,6 +504,8 @@ golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8U golang.org/x/crypto v0.0.0-20190923035154-9ee001bba392/go.mod h1:/lpIB1dKB+9EgE3H3cr1v9wB50oz8l4C4h62xy7jSTY= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= +golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 h1:sYNJzB4J8toYPQTM6pAkcmBRgw9SnQKP9oXCHfgy604= golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE= @@ -472,7 +538,9 @@ golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLL golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20200520004742-59133d7f0dd7/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A= golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA= +golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/net v0.0.0-20201021035429-f5854403a974 h1:IX6qOQeG5uLjB/hjjwjedwfjND0hgjPMMyO1RoIXQNI= golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= @@ -504,12 +572,16 @@ golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190922100055-0a153f010e69/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20190924154521-2837fb4f24fe/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200625212154-ddb9806d33ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx3WQ/1ib8I44HXV5yTA= @@ -554,7 +626,10 @@ golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8T google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk= google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM= google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= +google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508= google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= +google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c= +google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc= google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc= google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE= @@ -585,6 +660,11 @@ gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qS gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o= +gopkg.in/ini.v1 v1.46.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/ini.v1 v1.62.0 h1:duBzk771uxoUuOlyRLkHsygud9+5lrlGjdFBb4mSKDU= +gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= +gopkg.in/macaron.v1 v1.4.0 h1:RJHC09fAnQ8tuGUiZNjG0uyL1BWSdSWd9SpufIcEArQ= +gopkg.in/macaron.v1 v1.4.0/go.mod h1:uMZCFccv9yr5TipIalVOyAyZQuOH3OkmXvgcWwhJuP4= gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI= @@ -597,6 +677,7 @@ gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= diff --git a/pkg/models/dashboard_alerts.go b/pkg/models/dashboard_alerts.go new file mode 100644 index 00000000000..d8e33e063bd --- /dev/null +++ b/pkg/models/dashboard_alerts.go @@ -0,0 +1,66 @@ +// Documentation of the API. +// +// Schemes: http, https +// BasePath: /api/v1 +// +// Consumes: +// - application/json +// +// Produces: +// - application/json +// +// Security: +// - basic +// +// SecurityDefinitions: +// basic: +// type: basic +// +// swagger:meta +package models + +import "github.com/grafana/grafana/pkg/models" + +// swagger:route POST /api/dashboards/db RoutePostGrDashboards +// +// creates a dashboard with alerts +// +// Schemes: http, https +// +// Responses: +// 200: Ok +// 400: BadRequest +// 401: Unauthorized +// 403: QuotaExceeded +// 412: PreconditionFailed +// 500: Err + +// swagger:parameters RoutePostGrDashboards +type RoutePostGrDashboardsConfig struct { + // in:body + Body SaveDashboardCommand +} + +// swagger:model +type SaveDashboardCommand models.SaveDashboardCommand + +// swagger:model +type Ok struct{} + +// swagger:model +type BadRequest struct{} + +// swagger:model +type Unauthorized struct{} + +// swagger:model +type QuotaExceeded struct{} + +// swagger:model +type PreconditionFailed struct{} + +// swagger:model +type Err struct { + Message string + Error error +} diff --git a/spec.json b/spec.json index fd82855c2e0..010be247321 100644 --- a/spec.json +++ b/spec.json @@ -16,6 +16,63 @@ }, "basePath": "/api/v1", "paths": { + "/api/dashboards/db": { + "post": { + "description": "creates a dashboard with alerts", + "schemes": [ + "http", + "https" + ], + "operationId": "RoutePostGrDashboards", + "parameters": [ + { + "name": "Body", + "in": "body", + "schema": { + "$ref": "#/definitions/SaveDashboardCommand" + } + } + ], + "responses": { + "200": { + "description": "Ok", + "schema": { + "$ref": "#/definitions/Ok" + } + }, + "400": { + "description": "BadRequest", + "schema": { + "$ref": "#/definitions/BadRequest" + } + }, + "401": { + "description": "Unauthorized", + "schema": { + "$ref": "#/definitions/Unauthorized" + } + }, + "403": { + "description": "QuotaExceeded", + "schema": { + "$ref": "#/definitions/QuotaExceeded" + } + }, + "412": { + "description": "PreconditionFailed", + "schema": { + "$ref": "#/definitions/PreconditionFailed" + } + }, + "500": { + "description": "Err", + "schema": { + "$ref": "#/definitions/Err" + } + } + } + } + }, "/api/v1/alerts": { "post": { "description": "sets an Alertmanager config", @@ -58,6 +115,10 @@ "type": "object", "x-go-package": "github.com/grafana/alerting-api/pkg/models" }, + "BadRequest": { + "type": "object", + "x-go-package": "github.com/grafana/alerting-api/pkg/models" + }, "BasicAuth": { "type": "object", "title": "BasicAuth contains basic HTTP authentication credentials.", @@ -108,6 +169,70 @@ }, "$ref": "#/definitions/Config" }, + "Dashboard": { + "description": "Dashboard model", + "type": "object", + "properties": { + "Created": { + "type": "string", + "format": "date-time" + }, + "CreatedBy": { + "type": "integer", + "format": "int64" + }, + "Data": { + "$ref": "#/definitions/Json" + }, + "FolderId": { + "type": "integer", + "format": "int64" + }, + "GnetId": { + "type": "integer", + "format": "int64" + }, + "HasAcl": { + "type": "boolean" + }, + "Id": { + "type": "integer", + "format": "int64" + }, + "IsFolder": { + "type": "boolean" + }, + "OrgId": { + "type": "integer", + "format": "int64" + }, + "PluginId": { + "type": "string" + }, + "Slug": { + "type": "string" + }, + "Title": { + "type": "string" + }, + "Uid": { + "type": "string" + }, + "Updated": { + "type": "string", + "format": "date-time" + }, + "UpdatedBy": { + "type": "integer", + "format": "int64" + }, + "Version": { + "type": "integer", + "format": "int64" + } + }, + "x-go-package": "github.com/grafana/grafana/pkg/models" + }, "Duration": { "description": "A Duration represents the elapsed time between two instants\nas an int64 nanosecond count. The representation limits the\nlargest representable duration to approximately 290 years.", "type": "integer", @@ -177,6 +302,18 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "Err": { + "type": "object", + "properties": { + "Error": { + "type": "string" + }, + "Message": { + "type": "string" + } + }, + "x-go-package": "github.com/grafana/alerting-api/pkg/models" + }, "GlobalConfig": { "description": "GlobalConfig defines configuration parameters that are valid globally\nunless overwritten.", "type": "object", @@ -321,6 +458,10 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "Json": { + "type": "object", + "x-go-package": "github.com/grafana/grafana/pkg/components/simplejson" + }, "LabelName": { "description": "A LabelName is a key for a LabelSet or Metric. It has a value associated\ntherewith.", "type": "string", @@ -383,6 +524,10 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "Ok": { + "type": "object", + "x-go-package": "github.com/grafana/alerting-api/pkg/models" + }, "OpsGenieConfig": { "type": "object", "title": "OpsGenieConfig configures notifications via OpsGenie.", @@ -571,6 +716,10 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "PreconditionFailed": { + "type": "object", + "x-go-package": "github.com/grafana/alerting-api/pkg/models" + }, "PushoverConfig": { "type": "object", "properties": { @@ -624,6 +773,10 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "QuotaExceeded": { + "type": "object", + "x-go-package": "github.com/grafana/alerting-api/pkg/models" + }, "Receiver": { "type": "object", "title": "Receiver configuration provides configuration on how to contact a receiver.", @@ -750,6 +903,44 @@ }, "x-go-package": "github.com/prometheus/alertmanager/config" }, + "SaveDashboardCommand": { + "type": "object", + "properties": { + "Result": { + "$ref": "#/definitions/Dashboard" + }, + "UpdatedAt": { + "type": "string", + "format": "date-time" + }, + "dashboard": { + "$ref": "#/definitions/Json" + }, + "folderId": { + "type": "integer", + "format": "int64", + "x-go-name": "FolderId" + }, + "isFolder": { + "type": "boolean", + "x-go-name": "IsFolder" + }, + "message": { + "type": "string", + "x-go-name": "Message" + }, + "overwrite": { + "type": "boolean", + "x-go-name": "Overwrite" + }, + "userId": { + "type": "integer", + "format": "int64", + "x-go-name": "UserId" + } + }, + "$ref": "#/definitions/SaveDashboardCommand" + }, "Secret": { "type": "string", "title": "Secret special type for storing secrets.", @@ -968,9 +1159,8 @@ "x-go-package": "github.com/prometheus/common/config" }, "URL": { - "description": "The general form represented is:\n\n[scheme:][//[userinfo@]host][/]path[?query][#fragment]\n\nURLs that do not start with a slash after the scheme are interpreted as:\n\nscheme:opaque[?query][#fragment]\n\nNote that the Path field is stored in decoded form: /%47%6f%2f becomes /Go/.\nA consequence is that it is impossible to tell which slashes in the Path were\nslashes in the raw URL and which were %2f. This distinction is rarely important,\nbut when it is, the code should use RawPath, an optional field which only gets\nset if the default encoding is different from Path.\n\nURL's String method uses the EscapedPath method to obtain the path. See the\nEscapedPath method for more details.", "type": "object", - "title": "A URL represents a parsed URL (technically, a URI reference).", + "title": "URL is a custom URL type that allows validation at configuration load time.", "properties": { "ForceQuery": { "type": "boolean" @@ -1003,7 +1193,11 @@ "$ref": "#/definitions/Userinfo" } }, - "x-go-package": "net/url" + "x-go-package": "github.com/prometheus/common/config" + }, + "Unauthorized": { + "type": "object", + "x-go-package": "github.com/grafana/alerting-api/pkg/models" }, "Userinfo": { "description": "The Userinfo type is an immutable encapsulation of username and\npassword details for a URL. An existing Userinfo value is guaranteed\nto have a username set (potentially empty, as allowed by RFC 2396),\nand optionally a password.", diff --git a/vendor/github.com/bradfitz/gomemcache/LICENSE b/vendor/github.com/bradfitz/gomemcache/LICENSE new file mode 100644 index 00000000000..d6456956733 --- /dev/null +++ b/vendor/github.com/bradfitz/gomemcache/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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For the purposes + of this License, Derivative Works shall not include works that remain + separable from, or merely link (or bind by name) to the interfaces of, + the Work and Derivative Works thereof. + + "Contribution" shall mean any work of authorship, including + the original version of the Work and any modifications or additions + to that Work or Derivative Works thereof, that is intentionally + submitted to Licensor for inclusion in the Work by the copyright owner + or by an individual or Legal Entity authorized to submit on behalf of + the copyright owner. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/bradfitz/gomemcache/memcache/memcache.go b/vendor/github.com/bradfitz/gomemcache/memcache/memcache.go new file mode 100644 index 00000000000..25e88ca2612 --- /dev/null +++ b/vendor/github.com/bradfitz/gomemcache/memcache/memcache.go @@ -0,0 +1,687 @@ +/* +Copyright 2011 Google Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +// Package memcache provides a client for the memcached cache server. +package memcache + +import ( + "bufio" + "bytes" + "errors" + "fmt" + "io" + "net" + + "strconv" + "strings" + "sync" + "time" +) + +// Similar to: +// https://godoc.org/google.golang.org/appengine/memcache + +var ( + // ErrCacheMiss means that a Get failed because the item wasn't present. + ErrCacheMiss = errors.New("memcache: cache miss") + + // ErrCASConflict means that a CompareAndSwap call failed due to the + // cached value being modified between the Get and the CompareAndSwap. + // If the cached value was simply evicted rather than replaced, + // ErrNotStored will be returned instead. + ErrCASConflict = errors.New("memcache: compare-and-swap conflict") + + // ErrNotStored means that a conditional write operation (i.e. Add or + // CompareAndSwap) failed because the condition was not satisfied. + ErrNotStored = errors.New("memcache: item not stored") + + // ErrServer means that a server error occurred. + ErrServerError = errors.New("memcache: server error") + + // ErrNoStats means that no statistics were available. + ErrNoStats = errors.New("memcache: no statistics available") + + // ErrMalformedKey is returned when an invalid key is used. + // Keys must be at maximum 250 bytes long and not + // contain whitespace or control characters. + ErrMalformedKey = errors.New("malformed: key is too long or contains invalid characters") + + // ErrNoServers is returned when no servers are configured or available. + ErrNoServers = errors.New("memcache: no servers configured or available") +) + +const ( + // DefaultTimeout is the default socket read/write timeout. + DefaultTimeout = 100 * time.Millisecond + + // DefaultMaxIdleConns is the default maximum number of idle connections + // kept for any single address. + DefaultMaxIdleConns = 2 +) + +const buffered = 8 // arbitrary buffered channel size, for readability + +// resumableError returns true if err is only a protocol-level cache error. +// This is used to determine whether or not a server connection should +// be re-used or not. If an error occurs, by default we don't reuse the +// connection, unless it was just a cache error. +func resumableError(err error) bool { + switch err { + case ErrCacheMiss, ErrCASConflict, ErrNotStored, ErrMalformedKey: + return true + } + return false +} + +func legalKey(key string) bool { + if len(key) > 250 { + return false + } + for i := 0; i < len(key); i++ { + if key[i] <= ' ' || key[i] == 0x7f { + return false + } + } + return true +} + +var ( + crlf = []byte("\r\n") + space = []byte(" ") + resultOK = []byte("OK\r\n") + resultStored = []byte("STORED\r\n") + resultNotStored = []byte("NOT_STORED\r\n") + resultExists = []byte("EXISTS\r\n") + resultNotFound = []byte("NOT_FOUND\r\n") + resultDeleted = []byte("DELETED\r\n") + resultEnd = []byte("END\r\n") + resultOk = []byte("OK\r\n") + resultTouched = []byte("TOUCHED\r\n") + + resultClientErrorPrefix = []byte("CLIENT_ERROR ") +) + +// New returns a memcache client using the provided server(s) +// with equal weight. If a server is listed multiple times, +// it gets a proportional amount of weight. +func New(server ...string) *Client { + ss := new(ServerList) + ss.SetServers(server...) + return NewFromSelector(ss) +} + +// NewFromSelector returns a new Client using the provided ServerSelector. +func NewFromSelector(ss ServerSelector) *Client { + return &Client{selector: ss} +} + +// Client is a memcache client. +// It is safe for unlocked use by multiple concurrent goroutines. +type Client struct { + // Timeout specifies the socket read/write timeout. + // If zero, DefaultTimeout is used. + Timeout time.Duration + + // MaxIdleConns specifies the maximum number of idle connections that will + // be maintained per address. If less than one, DefaultMaxIdleConns will be + // used. + // + // Consider your expected traffic rates and latency carefully. This should + // be set to a number higher than your peak parallel requests. + MaxIdleConns int + + selector ServerSelector + + lk sync.Mutex + freeconn map[string][]*conn +} + +// Item is an item to be got or stored in a memcached server. +type Item struct { + // Key is the Item's key (250 bytes maximum). + Key string + + // Value is the Item's value. + Value []byte + + // Flags are server-opaque flags whose semantics are entirely + // up to the app. + Flags uint32 + + // Expiration is the cache expiration time, in seconds: either a relative + // time from now (up to 1 month), or an absolute Unix epoch time. + // Zero means the Item has no expiration time. + Expiration int32 + + // Compare and swap ID. + casid uint64 +} + +// conn is a connection to a server. +type conn struct { + nc net.Conn + rw *bufio.ReadWriter + addr net.Addr + c *Client +} + +// release returns this connection back to the client's free pool +func (cn *conn) release() { + cn.c.putFreeConn(cn.addr, cn) +} + +func (cn *conn) extendDeadline() { + cn.nc.SetDeadline(time.Now().Add(cn.c.netTimeout())) +} + +// condRelease releases this connection if the error pointed to by err +// is nil (not an error) or is only a protocol level error (e.g. a +// cache miss). The purpose is to not recycle TCP connections that +// are bad. +func (cn *conn) condRelease(err *error) { + if *err == nil || resumableError(*err) { + cn.release() + } else { + cn.nc.Close() + } +} + +func (c *Client) putFreeConn(addr net.Addr, cn *conn) { + c.lk.Lock() + defer c.lk.Unlock() + if c.freeconn == nil { + c.freeconn = make(map[string][]*conn) + } + freelist := c.freeconn[addr.String()] + if len(freelist) >= c.maxIdleConns() { + cn.nc.Close() + return + } + c.freeconn[addr.String()] = append(freelist, cn) +} + +func (c *Client) getFreeConn(addr net.Addr) (cn *conn, ok bool) { + c.lk.Lock() + defer c.lk.Unlock() + if c.freeconn == nil { + return nil, false + } + freelist, ok := c.freeconn[addr.String()] + if !ok || len(freelist) == 0 { + return nil, false + } + cn = freelist[len(freelist)-1] + c.freeconn[addr.String()] = freelist[:len(freelist)-1] + return cn, true +} + +func (c *Client) netTimeout() time.Duration { + if c.Timeout != 0 { + return c.Timeout + } + return DefaultTimeout +} + +func (c *Client) maxIdleConns() int { + if c.MaxIdleConns > 0 { + return c.MaxIdleConns + } + return DefaultMaxIdleConns +} + +// ConnectTimeoutError is the error type used when it takes +// too long to connect to the desired host. This level of +// detail can generally be ignored. +type ConnectTimeoutError struct { + Addr net.Addr +} + +func (cte *ConnectTimeoutError) Error() string { + return "memcache: connect timeout to " + cte.Addr.String() +} + +func (c *Client) dial(addr net.Addr) (net.Conn, error) { + type connError struct { + cn net.Conn + err error + } + + nc, err := net.DialTimeout(addr.Network(), addr.String(), c.netTimeout()) + if err == nil { + return nc, nil + } + + if ne, ok := err.(net.Error); ok && ne.Timeout() { + return nil, &ConnectTimeoutError{addr} + } + + return nil, err +} + +func (c *Client) getConn(addr net.Addr) (*conn, error) { + cn, ok := c.getFreeConn(addr) + if ok { + cn.extendDeadline() + return cn, nil + } + nc, err := c.dial(addr) + if err != nil { + return nil, err + } + cn = &conn{ + nc: nc, + addr: addr, + rw: bufio.NewReadWriter(bufio.NewReader(nc), bufio.NewWriter(nc)), + c: c, + } + cn.extendDeadline() + return cn, nil +} + +func (c *Client) onItem(item *Item, fn func(*Client, *bufio.ReadWriter, *Item) error) error { + addr, err := c.selector.PickServer(item.Key) + if err != nil { + return err + } + cn, err := c.getConn(addr) + if err != nil { + return err + } + defer cn.condRelease(&err) + if err = fn(c, cn.rw, item); err != nil { + return err + } + return nil +} + +func (c *Client) FlushAll() error { + return c.selector.Each(c.flushAllFromAddr) +} + +// Get gets the item for the given key. ErrCacheMiss is returned for a +// memcache cache miss. The key must be at most 250 bytes in length. +func (c *Client) Get(key string) (item *Item, err error) { + err = c.withKeyAddr(key, func(addr net.Addr) error { + return c.getFromAddr(addr, []string{key}, func(it *Item) { item = it }) + }) + if err == nil && item == nil { + err = ErrCacheMiss + } + return +} + +// Touch updates the expiry for the given key. The seconds parameter is either +// a Unix timestamp or, if seconds is less than 1 month, the number of seconds +// into the future at which time the item will expire. Zero means the item has +// no expiration time. ErrCacheMiss is returned if the key is not in the cache. +// The key must be at most 250 bytes in length. +func (c *Client) Touch(key string, seconds int32) (err error) { + return c.withKeyAddr(key, func(addr net.Addr) error { + return c.touchFromAddr(addr, []string{key}, seconds) + }) +} + +func (c *Client) withKeyAddr(key string, fn func(net.Addr) error) (err error) { + if !legalKey(key) { + return ErrMalformedKey + } + addr, err := c.selector.PickServer(key) + if err != nil { + return err + } + return fn(addr) +} + +func (c *Client) withAddrRw(addr net.Addr, fn func(*bufio.ReadWriter) error) (err error) { + cn, err := c.getConn(addr) + if err != nil { + return err + } + defer cn.condRelease(&err) + return fn(cn.rw) +} + +func (c *Client) withKeyRw(key string, fn func(*bufio.ReadWriter) error) error { + return c.withKeyAddr(key, func(addr net.Addr) error { + return c.withAddrRw(addr, fn) + }) +} + +func (c *Client) getFromAddr(addr net.Addr, keys []string, cb func(*Item)) error { + return c.withAddrRw(addr, func(rw *bufio.ReadWriter) error { + if _, err := fmt.Fprintf(rw, "gets %s\r\n", strings.Join(keys, " ")); err != nil { + return err + } + if err := rw.Flush(); err != nil { + return err + } + if err := parseGetResponse(rw.Reader, cb); err != nil { + return err + } + return nil + }) +} + +// flushAllFromAddr send the flush_all command to the given addr +func (c *Client) flushAllFromAddr(addr net.Addr) error { + return c.withAddrRw(addr, func(rw *bufio.ReadWriter) error { + if _, err := fmt.Fprintf(rw, "flush_all\r\n"); err != nil { + return err + } + if err := rw.Flush(); err != nil { + return err + } + line, err := rw.ReadSlice('\n') + if err != nil { + return err + } + switch { + case bytes.Equal(line, resultOk): + break + default: + return fmt.Errorf("memcache: unexpected response line from flush_all: %q", string(line)) + } + return nil + }) +} + +func (c *Client) touchFromAddr(addr net.Addr, keys []string, expiration int32) error { + return c.withAddrRw(addr, func(rw *bufio.ReadWriter) error { + for _, key := range keys { + if _, err := fmt.Fprintf(rw, "touch %s %d\r\n", key, expiration); err != nil { + return err + } + if err := rw.Flush(); err != nil { + return err + } + line, err := rw.ReadSlice('\n') + if err != nil { + return err + } + switch { + case bytes.Equal(line, resultTouched): + break + case bytes.Equal(line, resultNotFound): + return ErrCacheMiss + default: + return fmt.Errorf("memcache: unexpected response line from touch: %q", string(line)) + } + } + return nil + }) +} + +// GetMulti is a batch version of Get. The returned map from keys to +// items may have fewer elements than the input slice, due to memcache +// cache misses. Each key must be at most 250 bytes in length. +// If no error is returned, the returned map will also be non-nil. +func (c *Client) GetMulti(keys []string) (map[string]*Item, error) { + var lk sync.Mutex + m := make(map[string]*Item) + addItemToMap := func(it *Item) { + lk.Lock() + defer lk.Unlock() + m[it.Key] = it + } + + keyMap := make(map[net.Addr][]string) + for _, key := range keys { + if !legalKey(key) { + return nil, ErrMalformedKey + } + addr, err := c.selector.PickServer(key) + if err != nil { + return nil, err + } + keyMap[addr] = append(keyMap[addr], key) + } + + ch := make(chan error, buffered) + for addr, keys := range keyMap { + go func(addr net.Addr, keys []string) { + ch <- c.getFromAddr(addr, keys, addItemToMap) + }(addr, keys) + } + + var err error + for _ = range keyMap { + if ge := <-ch; ge != nil { + err = ge + } + } + return m, err +} + +// parseGetResponse reads a GET response from r and calls cb for each +// read and allocated Item +func parseGetResponse(r *bufio.Reader, cb func(*Item)) error { + for { + line, err := r.ReadSlice('\n') + if err != nil { + return err + } + if bytes.Equal(line, resultEnd) { + return nil + } + it := new(Item) + size, err := scanGetResponseLine(line, it) + if err != nil { + return err + } + it.Value = make([]byte, size+2) + _, err = io.ReadFull(r, it.Value) + if err != nil { + it.Value = nil + return err + } + if !bytes.HasSuffix(it.Value, crlf) { + it.Value = nil + return fmt.Errorf("memcache: corrupt get result read") + } + it.Value = it.Value[:size] + cb(it) + } +} + +// scanGetResponseLine populates it and returns the declared size of the item. +// It does not read the bytes of the item. +func scanGetResponseLine(line []byte, it *Item) (size int, err error) { + pattern := "VALUE %s %d %d %d\r\n" + dest := []interface{}{&it.Key, &it.Flags, &size, &it.casid} + if bytes.Count(line, space) == 3 { + pattern = "VALUE %s %d %d\r\n" + dest = dest[:3] + } + n, err := fmt.Sscanf(string(line), pattern, dest...) + if err != nil || n != len(dest) { + return -1, fmt.Errorf("memcache: unexpected line in get response: %q", line) + } + return size, nil +} + +// Set writes the given item, unconditionally. +func (c *Client) Set(item *Item) error { + return c.onItem(item, (*Client).set) +} + +func (c *Client) set(rw *bufio.ReadWriter, item *Item) error { + return c.populateOne(rw, "set", item) +} + +// Add writes the given item, if no value already exists for its +// key. ErrNotStored is returned if that condition is not met. +func (c *Client) Add(item *Item) error { + return c.onItem(item, (*Client).add) +} + +func (c *Client) add(rw *bufio.ReadWriter, item *Item) error { + return c.populateOne(rw, "add", item) +} + +// Replace writes the given item, but only if the server *does* +// already hold data for this key +func (c *Client) Replace(item *Item) error { + return c.onItem(item, (*Client).replace) +} + +func (c *Client) replace(rw *bufio.ReadWriter, item *Item) error { + return c.populateOne(rw, "replace", item) +} + +// CompareAndSwap writes the given item that was previously returned +// by Get, if the value was neither modified or evicted between the +// Get and the CompareAndSwap calls. The item's Key should not change +// between calls but all other item fields may differ. ErrCASConflict +// is returned if the value was modified in between the +// calls. ErrNotStored is returned if the value was evicted in between +// the calls. +func (c *Client) CompareAndSwap(item *Item) error { + return c.onItem(item, (*Client).cas) +} + +func (c *Client) cas(rw *bufio.ReadWriter, item *Item) error { + return c.populateOne(rw, "cas", item) +} + +func (c *Client) populateOne(rw *bufio.ReadWriter, verb string, item *Item) error { + if !legalKey(item.Key) { + return ErrMalformedKey + } + var err error + if verb == "cas" { + _, err = fmt.Fprintf(rw, "%s %s %d %d %d %d\r\n", + verb, item.Key, item.Flags, item.Expiration, len(item.Value), item.casid) + } else { + _, err = fmt.Fprintf(rw, "%s %s %d %d %d\r\n", + verb, item.Key, item.Flags, item.Expiration, len(item.Value)) + } + if err != nil { + return err + } + if _, err = rw.Write(item.Value); err != nil { + return err + } + if _, err := rw.Write(crlf); err != nil { + return err + } + if err := rw.Flush(); err != nil { + return err + } + line, err := rw.ReadSlice('\n') + if err != nil { + return err + } + switch { + case bytes.Equal(line, resultStored): + return nil + case bytes.Equal(line, resultNotStored): + return ErrNotStored + case bytes.Equal(line, resultExists): + return ErrCASConflict + case bytes.Equal(line, resultNotFound): + return ErrCacheMiss + } + return fmt.Errorf("memcache: unexpected response line from %q: %q", verb, string(line)) +} + +func writeReadLine(rw *bufio.ReadWriter, format string, args ...interface{}) ([]byte, error) { + _, err := fmt.Fprintf(rw, format, args...) + if err != nil { + return nil, err + } + if err := rw.Flush(); err != nil { + return nil, err + } + line, err := rw.ReadSlice('\n') + return line, err +} + +func writeExpectf(rw *bufio.ReadWriter, expect []byte, format string, args ...interface{}) error { + line, err := writeReadLine(rw, format, args...) + if err != nil { + return err + } + switch { + case bytes.Equal(line, resultOK): + return nil + case bytes.Equal(line, expect): + return nil + case bytes.Equal(line, resultNotStored): + return ErrNotStored + case bytes.Equal(line, resultExists): + return ErrCASConflict + case bytes.Equal(line, resultNotFound): + return ErrCacheMiss + } + return fmt.Errorf("memcache: unexpected response line: %q", string(line)) +} + +// Delete deletes the item with the provided key. The error ErrCacheMiss is +// returned if the item didn't already exist in the cache. +func (c *Client) Delete(key string) error { + return c.withKeyRw(key, func(rw *bufio.ReadWriter) error { + return writeExpectf(rw, resultDeleted, "delete %s\r\n", key) + }) +} + +// DeleteAll deletes all items in the cache. +func (c *Client) DeleteAll() error { + return c.withKeyRw("", func(rw *bufio.ReadWriter) error { + return writeExpectf(rw, resultDeleted, "flush_all\r\n") + }) +} + +// Increment atomically increments key by delta. The return value is +// the new value after being incremented or an error. If the value +// didn't exist in memcached the error is ErrCacheMiss. The value in +// memcached must be an decimal number, or an error will be returned. +// On 64-bit overflow, the new value wraps around. +func (c *Client) Increment(key string, delta uint64) (newValue uint64, err error) { + return c.incrDecr("incr", key, delta) +} + +// Decrement atomically decrements key by delta. The return value is +// the new value after being decremented or an error. If the value +// didn't exist in memcached the error is ErrCacheMiss. The value in +// memcached must be an decimal number, or an error will be returned. +// On underflow, the new value is capped at zero and does not wrap +// around. +func (c *Client) Decrement(key string, delta uint64) (newValue uint64, err error) { + return c.incrDecr("decr", key, delta) +} + +func (c *Client) incrDecr(verb, key string, delta uint64) (uint64, error) { + var val uint64 + err := c.withKeyRw(key, func(rw *bufio.ReadWriter) error { + line, err := writeReadLine(rw, "%s %s %d\r\n", verb, key, delta) + if err != nil { + return err + } + switch { + case bytes.Equal(line, resultNotFound): + return ErrCacheMiss + case bytes.HasPrefix(line, resultClientErrorPrefix): + errMsg := line[len(resultClientErrorPrefix) : len(line)-2] + return errors.New("memcache: client error: " + string(errMsg)) + } + val, err = strconv.ParseUint(string(line[:len(line)-2]), 10, 64) + if err != nil { + return err + } + return nil + }) + return val, err +} diff --git a/vendor/github.com/bradfitz/gomemcache/memcache/selector.go b/vendor/github.com/bradfitz/gomemcache/memcache/selector.go new file mode 100644 index 00000000000..89ad81e0d83 --- /dev/null +++ b/vendor/github.com/bradfitz/gomemcache/memcache/selector.go @@ -0,0 +1,129 @@ +/* +Copyright 2011 Google Inc. + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. +*/ + +package memcache + +import ( + "hash/crc32" + "net" + "strings" + "sync" +) + +// ServerSelector is the interface that selects a memcache server +// as a function of the item's key. +// +// All ServerSelector implementations must be safe for concurrent use +// by multiple goroutines. +type ServerSelector interface { + // PickServer returns the server address that a given item + // should be shared onto. + PickServer(key string) (net.Addr, error) + Each(func(net.Addr) error) error +} + +// ServerList is a simple ServerSelector. Its zero value is usable. +type ServerList struct { + mu sync.RWMutex + addrs []net.Addr +} + +// staticAddr caches the Network() and String() values from any net.Addr. +type staticAddr struct { + ntw, str string +} + +func newStaticAddr(a net.Addr) net.Addr { + return &staticAddr{ + ntw: a.Network(), + str: a.String(), + } +} + +func (s *staticAddr) Network() string { return s.ntw } +func (s *staticAddr) String() string { return s.str } + +// SetServers changes a ServerList's set of servers at runtime and is +// safe for concurrent use by multiple goroutines. +// +// Each server is given equal weight. A server is given more weight +// if it's listed multiple times. +// +// SetServers returns an error if any of the server names fail to +// resolve. No attempt is made to connect to the server. If any error +// is returned, no changes are made to the ServerList. +func (ss *ServerList) SetServers(servers ...string) error { + naddr := make([]net.Addr, len(servers)) + for i, server := range servers { + if strings.Contains(server, "/") { + addr, err := net.ResolveUnixAddr("unix", server) + if err != nil { + return err + } + naddr[i] = newStaticAddr(addr) + } else { + tcpaddr, err := net.ResolveTCPAddr("tcp", server) + if err != nil { + return err + } + naddr[i] = newStaticAddr(tcpaddr) + } + } + + ss.mu.Lock() + defer ss.mu.Unlock() + ss.addrs = naddr + return nil +} + +// Each iterates over each server calling the given function +func (ss *ServerList) Each(f func(net.Addr) error) error { + ss.mu.RLock() + defer ss.mu.RUnlock() + for _, a := range ss.addrs { + if err := f(a); nil != err { + return err + } + } + return nil +} + +// keyBufPool returns []byte buffers for use by PickServer's call to +// crc32.ChecksumIEEE to avoid allocations. (but doesn't avoid the +// copies, which at least are bounded in size and small) +var keyBufPool = sync.Pool{ + New: func() interface{} { + b := make([]byte, 256) + return &b + }, +} + +func (ss *ServerList) PickServer(key string) (net.Addr, error) { + ss.mu.RLock() + defer ss.mu.RUnlock() + if len(ss.addrs) == 0 { + return nil, ErrNoServers + } + if len(ss.addrs) == 1 { + return ss.addrs[0], nil + } + bufp := keyBufPool.Get().(*[]byte) + n := copy(*bufp, key) + cs := crc32.ChecksumIEEE((*bufp)[:n]) + keyBufPool.Put(bufp) + + return ss.addrs[cs%uint32(len(ss.addrs))], nil +} diff --git a/vendor/github.com/dgryski/go-rendezvous/LICENSE b/vendor/github.com/dgryski/go-rendezvous/LICENSE new file mode 100644 index 00000000000..22080f736a4 --- /dev/null +++ b/vendor/github.com/dgryski/go-rendezvous/LICENSE @@ -0,0 +1,21 @@ +The MIT License (MIT) + +Copyright (c) 2017-2020 Damian Gryski + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. diff --git a/vendor/github.com/dgryski/go-rendezvous/rdv.go b/vendor/github.com/dgryski/go-rendezvous/rdv.go new file mode 100644 index 00000000000..7a6f8203c67 --- /dev/null +++ b/vendor/github.com/dgryski/go-rendezvous/rdv.go @@ -0,0 +1,79 @@ +package rendezvous + +type Rendezvous struct { + nodes map[string]int + nstr []string + nhash []uint64 + hash Hasher +} + +type Hasher func(s string) uint64 + +func New(nodes []string, hash Hasher) *Rendezvous { + r := &Rendezvous{ + nodes: make(map[string]int, len(nodes)), + nstr: make([]string, len(nodes)), + nhash: make([]uint64, len(nodes)), + hash: hash, + } + + for i, n := range nodes { + r.nodes[n] = i + r.nstr[i] = n + r.nhash[i] = hash(n) + } + + return r +} + +func (r *Rendezvous) Lookup(k string) string { + // short-circuit if we're empty + if len(r.nodes) == 0 { + return "" + } + + khash := r.hash(k) + + var midx int + var mhash = xorshiftMult64(khash ^ r.nhash[0]) + + for i, nhash := range r.nhash[1:] { + if h := xorshiftMult64(khash ^ nhash); h > mhash { + midx = i + 1 + mhash = h + } + } + + return r.nstr[midx] +} + +func (r *Rendezvous) Add(node string) { + r.nodes[node] = len(r.nstr) + r.nstr = append(r.nstr, node) + r.nhash = append(r.nhash, r.hash(node)) +} + +func (r *Rendezvous) Remove(node string) { + // find index of node to remove + nidx := r.nodes[node] + + // remove from the slices + l := len(r.nstr) + r.nstr[nidx] = r.nstr[l] + r.nstr = r.nstr[:l] + + r.nhash[nidx] = r.nhash[l] + r.nhash = r.nhash[:l] + + // update the map + delete(r.nodes, node) + moved := r.nstr[nidx] + r.nodes[moved] = nidx +} + +func xorshiftMult64(x uint64) uint64 { + x ^= x >> 12 // a + x ^= x << 25 // b + x ^= x >> 27 // c + return x * 2685821657736338717 +} diff --git a/vendor/github.com/go-macaron/inject/.travis.yml b/vendor/github.com/go-macaron/inject/.travis.yml new file mode 100644 index 00000000000..2774fb35d50 --- /dev/null +++ b/vendor/github.com/go-macaron/inject/.travis.yml @@ -0,0 +1,14 @@ +sudo: false +language: go + +go: + - 1.3 + - 1.4 + - 1.5 + - tip + +script: go test -v -cover -race + +notifications: + email: + - u@gogs.io diff --git a/vendor/github.com/go-macaron/inject/LICENSE b/vendor/github.com/go-macaron/inject/LICENSE new file mode 100644 index 00000000000..37ec93a14fd --- /dev/null +++ b/vendor/github.com/go-macaron/inject/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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Limitation of Liability. + +In no event and under no legal theory, whether in tort (including negligence), +contract, or otherwise, unless required by applicable law (such as deliberate +and grossly negligent acts) or agreed to in writing, shall any Contributor be +liable to You for damages, including any direct, indirect, special, incidental, +or consequential damages of any character arising as a result of this License or +out of the use or inability to use the Work (including but not limited to +damages for loss of goodwill, work stoppage, computer failure or malfunction, or +any and all other commercial damages or losses), even if such Contributor has +been advised of the possibility of such damages. + +9. Accepting Warranty or Additional Liability. + +While redistributing the Work or Derivative Works thereof, You may choose to +offer, and charge a fee for, acceptance of support, warranty, indemnity, or +other liability obligations and/or rights consistent with this License. However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work + +To apply the Apache License to your work, attach the following boilerplate +notice, with the fields enclosed by brackets "[]" replaced with your own +identifying information. (Don't include the brackets!) The text should be +enclosed in the appropriate comment syntax for the file format. We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/go-macaron/inject/README.md b/vendor/github.com/go-macaron/inject/README.md new file mode 100644 index 00000000000..c65c76955dd --- /dev/null +++ b/vendor/github.com/go-macaron/inject/README.md @@ -0,0 +1,11 @@ +# inject [![Build Status](https://travis-ci.org/go-macaron/inject.svg?branch=master)](https://travis-ci.org/go-macaron/inject) [![](http://gocover.io/_badge/github.com/go-macaron/inject)](http://gocover.io/github.com/go-macaron/inject) + +Package inject provides utilities for mapping and injecting dependencies in various ways. + +**This a modified version of [codegangsta/inject](https://github.com/codegangsta/inject) for special purpose of Macaron** + +**Please use the original version if you need dependency injection feature** + +## License + +This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text. \ No newline at end of file diff --git a/vendor/github.com/go-macaron/inject/inject.go b/vendor/github.com/go-macaron/inject/inject.go new file mode 100644 index 00000000000..1c1f98eaaa0 --- /dev/null +++ b/vendor/github.com/go-macaron/inject/inject.go @@ -0,0 +1,262 @@ +// Copyright 2013 Jeremy Saenz +// Copyright 2015 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +// Package inject provides utilities for mapping and injecting dependencies in various ways. +package inject + +import ( + "fmt" + "reflect" +) + +// Injector represents an interface for mapping and injecting dependencies into structs +// and function arguments. +type Injector interface { + Applicator + Invoker + TypeMapper + // SetParent sets the parent of the injector. If the injector cannot find a + // dependency in its Type map it will check its parent before returning an + // error. + SetParent(Injector) +} + +// Applicator represents an interface for mapping dependencies to a struct. +type Applicator interface { + // Maps dependencies in the Type map to each field in the struct + // that is tagged with 'inject'. Returns an error if the injection + // fails. + Apply(interface{}) error +} + +// Invoker represents an interface for calling functions via reflection. +type Invoker interface { + // Invoke attempts to call the interface{} provided as a function, + // providing dependencies for function arguments based on Type. Returns + // a slice of reflect.Value representing the returned values of the function. + // Returns an error if the injection fails. + Invoke(interface{}) ([]reflect.Value, error) +} + +// FastInvoker represents an interface in order to avoid the calling function via reflection. +// +// example: +// type handlerFuncHandler func(http.ResponseWriter, *http.Request) error +// func (f handlerFuncHandler)Invoke([]interface{}) ([]reflect.Value, error){ +// ret := f(p[0].(http.ResponseWriter), p[1].(*http.Request)) +// return []reflect.Value{reflect.ValueOf(ret)}, nil +// } +// +// type funcHandler func(int, string) +// func (f funcHandler)Invoke([]interface{}) ([]reflect.Value, error){ +// f(p[0].(int), p[1].(string)) +// return nil, nil +// } +type FastInvoker interface { + // Invoke attempts to call the ordinary functions. If f is a function + // with the appropriate signature, f.Invoke([]interface{}) is a Call that calls f. + // Returns a slice of reflect.Value representing the returned values of the function. + // Returns an error if the injection fails. + Invoke([]interface{}) ([]reflect.Value, error) +} + +// IsFastInvoker check interface is FastInvoker +func IsFastInvoker(h interface{}) bool { + _, ok := h.(FastInvoker) + return ok +} + +// TypeMapper represents an interface for mapping interface{} values based on type. +type TypeMapper interface { + // Maps the interface{} value based on its immediate type from reflect.TypeOf. + Map(interface{}) TypeMapper + // Maps the interface{} value based on the pointer of an Interface provided. + // This is really only useful for mapping a value as an interface, as interfaces + // cannot at this time be referenced directly without a pointer. + MapTo(interface{}, interface{}) TypeMapper + // Provides a possibility to directly insert a mapping based on type and value. + // This makes it possible to directly map type arguments not possible to instantiate + // with reflect like unidirectional channels. + Set(reflect.Type, reflect.Value) TypeMapper + // Returns the Value that is mapped to the current type. Returns a zeroed Value if + // the Type has not been mapped. + GetVal(reflect.Type) reflect.Value +} + +type injector struct { + values map[reflect.Type]reflect.Value + parent Injector +} + +// InterfaceOf dereferences a pointer to an Interface type. +// It panics if value is not an pointer to an interface. +func InterfaceOf(value interface{}) reflect.Type { + t := reflect.TypeOf(value) + + for t.Kind() == reflect.Ptr { + t = t.Elem() + } + + if t.Kind() != reflect.Interface { + panic("Called inject.InterfaceOf with a value that is not a pointer to an interface. (*MyInterface)(nil)") + } + + return t +} + +// New returns a new Injector. +func New() Injector { + return &injector{ + values: make(map[reflect.Type]reflect.Value), + } +} + +// Invoke attempts to call the interface{} provided as a function, +// providing dependencies for function arguments based on Type. +// Returns a slice of reflect.Value representing the returned values of the function. +// Returns an error if the injection fails. +// It panics if f is not a function +func (inj *injector) Invoke(f interface{}) ([]reflect.Value, error) { + t := reflect.TypeOf(f) + switch v := f.(type) { + case FastInvoker: + return inj.fastInvoke(v, t, t.NumIn()) + default: + return inj.callInvoke(f, t, t.NumIn()) + } +} + +func (inj *injector) fastInvoke(f FastInvoker, t reflect.Type, numIn int) ([]reflect.Value, error) { + var in []interface{} + if numIn > 0 { + in = make([]interface{}, numIn) // Panic if t is not kind of Func + var argType reflect.Type + var val reflect.Value + for i := 0; i < numIn; i++ { + argType = t.In(i) + val = inj.GetVal(argType) + if !val.IsValid() { + return nil, fmt.Errorf("Value not found for type %v", argType) + } + + in[i] = val.Interface() + } + } + return f.Invoke(in) +} + +// callInvoke reflect.Value.Call +func (inj *injector) callInvoke(f interface{}, t reflect.Type, numIn int) ([]reflect.Value, error) { + var in []reflect.Value + if numIn > 0 { + in = make([]reflect.Value, numIn) + var argType reflect.Type + var val reflect.Value + for i := 0; i < numIn; i++ { + argType = t.In(i) + val = inj.GetVal(argType) + if !val.IsValid() { + return nil, fmt.Errorf("Value not found for type %v", argType) + } + + in[i] = val + } + } + return reflect.ValueOf(f).Call(in), nil +} + +// Maps dependencies in the Type map to each field in the struct +// that is tagged with 'inject'. +// Returns an error if the injection fails. +func (inj *injector) Apply(val interface{}) error { + v := reflect.ValueOf(val) + + for v.Kind() == reflect.Ptr { + v = v.Elem() + } + + if v.Kind() != reflect.Struct { + return nil // Should not panic here ? + } + + t := v.Type() + + for i := 0; i < v.NumField(); i++ { + f := v.Field(i) + structField := t.Field(i) + if f.CanSet() && (structField.Tag == "inject" || structField.Tag.Get("inject") != "") { + ft := f.Type() + v := inj.GetVal(ft) + if !v.IsValid() { + return fmt.Errorf("Value not found for type %v", ft) + } + + f.Set(v) + } + + } + + return nil +} + +// Maps the concrete value of val to its dynamic type using reflect.TypeOf, +// It returns the TypeMapper registered in. +func (i *injector) Map(val interface{}) TypeMapper { + i.values[reflect.TypeOf(val)] = reflect.ValueOf(val) + return i +} + +func (i *injector) MapTo(val interface{}, ifacePtr interface{}) TypeMapper { + i.values[InterfaceOf(ifacePtr)] = reflect.ValueOf(val) + return i +} + +// Maps the given reflect.Type to the given reflect.Value and returns +// the Typemapper the mapping has been registered in. +func (i *injector) Set(typ reflect.Type, val reflect.Value) TypeMapper { + i.values[typ] = val + return i +} + +func (i *injector) GetVal(t reflect.Type) reflect.Value { + val := i.values[t] + + if val.IsValid() { + return val + } + + // no concrete types found, try to find implementors + // if t is an interface + if t.Kind() == reflect.Interface { + for k, v := range i.values { + if k.Implements(t) { + val = v + break + } + } + } + + // Still no type found, try to look it up on the parent + if !val.IsValid() && i.parent != nil { + val = i.parent.GetVal(t) + } + + return val + +} + +func (i *injector) SetParent(parent Injector) { + i.parent = parent +} diff --git a/vendor/github.com/go-macaron/session/.gitignore b/vendor/github.com/go-macaron/session/.gitignore new file mode 100644 index 00000000000..834722925c9 --- /dev/null +++ b/vendor/github.com/go-macaron/session/.gitignore @@ -0,0 +1,4 @@ +ledis/tmp.db +nodb/tmp.db +/vendor +/.idea diff --git a/vendor/github.com/go-macaron/session/LICENSE b/vendor/github.com/go-macaron/session/LICENSE new file mode 100644 index 00000000000..8405e89a0b1 --- /dev/null +++ b/vendor/github.com/go-macaron/session/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. For the purposes of this License, Derivative Works +shall not include works that remain separable from, or merely link (or bind by +name) to the interfaces of, the Work and Derivative Works thereof. + +"Contribution" shall mean any work of authorship, including the original version +of the Work and any modifications or additions to that Work or Derivative Works +thereof, that is intentionally submitted to Licensor for inclusion in the Work +by the copyright owner or by an individual or Legal Entity authorized to submit +on behalf of the copyright owner. For the purposes of this definition, +"submitted" means any form of electronic, verbal, or written communication sent +to the Licensor or its representatives, including but not limited to +communication on electronic mailing lists, source code control systems, and +issue tracking systems that are managed by, or on behalf of, the Licensor for +the purpose of discussing and improving the Work, but excluding communication +that is conspicuously marked or otherwise designated in writing by the copyright +owner as "Not a Contribution." + +"Contributor" shall mean Licensor and any individual or Legal Entity on behalf +of whom a Contribution has been received by Licensor and subsequently +incorporated within the Work. + +2. Grant of Copyright License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable copyright license to reproduce, prepare Derivative Works of, +publicly display, publicly perform, sublicense, and distribute the Work and such +Derivative Works in Source or Object form. + +3. Grant of Patent License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable (except as stated in this section) patent license to make, have +made, use, offer to sell, sell, import, and otherwise transfer the Work, where +such license applies only to those patent claims licensable by such Contributor +that are necessarily infringed by their Contribution(s) alone or by combination +of their Contribution(s) with the Work to which such Contribution(s) was +submitted. If You institute patent litigation against any entity (including a +cross-claim or counterclaim in a lawsuit) alleging that the Work or a +Contribution incorporated within the Work constitutes direct or contributory +patent infringement, then any patent licenses granted to You under this License +for that Work shall terminate as of the date such litigation is filed. + +4. 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The contents of +the NOTICE file are for informational purposes only and do not modify the +License. You may add Your own attribution notices within Derivative Works that +You distribute, alongside or as an addendum to the NOTICE text from the Work, +provided that such additional attribution notices cannot be construed as +modifying the License. +You may add Your own copyright statement to Your modifications and may provide +additional or different license terms and conditions for use, reproduction, or +distribution of Your modifications, or for any such Derivative Works as a whole, +provided Your use, reproduction, and distribution of the Work otherwise complies +with the conditions stated in this License. + +5. Submission of Contributions. + +Unless You explicitly state otherwise, any Contribution intentionally submitted +for inclusion in the Work by You to the Licensor shall be under the terms and +conditions of this License, without any additional terms or conditions. +Notwithstanding the above, nothing herein shall supersede or modify the terms of +any separate license agreement you may have executed with Licensor regarding +such Contributions. + +6. Trademarks. + +This License does not grant permission to use the trade names, trademarks, +service marks, or product names of the Licensor, except as required for +reasonable and customary use in describing the origin of the Work and +reproducing the content of the NOTICE file. + +7. Disclaimer of Warranty. + +Unless required by applicable law or agreed to in writing, Licensor provides the +Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, +including, without limitation, any warranties or conditions of TITLE, +NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are +solely responsible for determining the appropriateness of using or +redistributing the Work and assume any risks associated with Your exercise of +permissions under this License. + +8. Limitation of Liability. + +In no event and under no legal theory, whether in tort (including negligence), +contract, or otherwise, unless required by applicable law (such as deliberate +and grossly negligent acts) or agreed to in writing, shall any Contributor be +liable to You for damages, including any direct, indirect, special, incidental, +or consequential damages of any character arising as a result of this License or +out of the use or inability to use the Work (including but not limited to +damages for loss of goodwill, work stoppage, computer failure or malfunction, or +any and all other commercial damages or losses), even if such Contributor has +been advised of the possibility of such damages. + +9. Accepting Warranty or Additional Liability. + +While redistributing the Work or Derivative Works thereof, You may choose to +offer, and charge a fee for, acceptance of support, warranty, indemnity, or +other liability obligations and/or rights consistent with this License. However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work + +To apply the Apache License to your work, attach the following boilerplate +notice, with the fields enclosed by brackets "[]" replaced with your own +identifying information. (Don't include the brackets!) The text should be +enclosed in the appropriate comment syntax for the file format. We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. \ No newline at end of file diff --git a/vendor/github.com/go-macaron/session/README.md b/vendor/github.com/go-macaron/session/README.md new file mode 100644 index 00000000000..532a6e6538f --- /dev/null +++ b/vendor/github.com/go-macaron/session/README.md @@ -0,0 +1,27 @@ +# session + +[![GitHub Workflow Status](https://img.shields.io/github/workflow/status/go-macaron/session/Go?logo=github&style=for-the-badge)](https://github.com/go-macaron/session/actions?query=workflow%3AGo) +[![codecov](https://img.shields.io/codecov/c/github/go-macaron/session/master?logo=codecov&style=for-the-badge)](https://codecov.io/gh/go-macaron/session) +[![GoDoc](https://img.shields.io/badge/GoDoc-Reference-blue?style=for-the-badge&logo=go)](https://pkg.go.dev/github.com/go-macaron/session?tab=doc) +[![Sourcegraph](https://img.shields.io/badge/view%20on-Sourcegraph-brightgreen.svg?style=for-the-badge&logo=sourcegraph)](https://sourcegraph.com/github.com/go-macaron/session) + +Middleware session provides session management for [Macaron](https://github.com/go-macaron/macaron). It can use many session providers, including memory, file, Redis, Memcache, PostgreSQL, MySQL, Couchbase, Ledis and Nodb. + +### Installation + +The minimum requirement of Go is 1.6 (*1.13 if using Redis, 1.10 if using MySQL*). + + go get github.com/go-macaron/session + +## Getting Help + +- [API Reference](https://gowalker.org/github.com/go-macaron/session) +- [Documentation](https://go-macaron.com/middlewares/session) + +## Credits + +This package is a modified version of [beego/session](https://github.com/astaxie/beego/tree/master/session). + +## License + +This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text. diff --git a/vendor/github.com/go-macaron/session/codecov.yml b/vendor/github.com/go-macaron/session/codecov.yml new file mode 100644 index 00000000000..fc947f23082 --- /dev/null +++ b/vendor/github.com/go-macaron/session/codecov.yml @@ -0,0 +1,9 @@ +coverage: + range: "60...95" + status: + project: + default: + threshold: 1% + +comment: + layout: 'diff, files' diff --git a/vendor/github.com/go-macaron/session/file.go b/vendor/github.com/go-macaron/session/file.go new file mode 100644 index 00000000000..e6de03d5326 --- /dev/null +++ b/vendor/github.com/go-macaron/session/file.go @@ -0,0 +1,274 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "fmt" + "io/ioutil" + "log" + "os" + "path" + "path/filepath" + "sync" + "time" + + "github.com/unknwon/com" +) + +// FileStore represents a file session store implementation. +type FileStore struct { + p *FileProvider + sid string + lock sync.RWMutex + data map[interface{}]interface{} +} + +// NewFileStore creates and returns a file session store. +func NewFileStore(p *FileProvider, sid string, kv map[interface{}]interface{}) *FileStore { + return &FileStore{ + p: p, + sid: sid, + data: kv, + } +} + +// Set sets value to given key in session. +func (s *FileStore) Set(key, val interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data[key] = val + return nil +} + +// Get gets value by given key in session. +func (s *FileStore) Get(key interface{}) interface{} { + s.lock.RLock() + defer s.lock.RUnlock() + + return s.data[key] +} + +// Delete delete a key from session. +func (s *FileStore) Delete(key interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + delete(s.data, key) + return nil +} + +// ID returns current session ID. +func (s *FileStore) ID() string { + return s.sid +} + +// Release releases resource and save data to provider. +func (s *FileStore) Release() error { + s.p.lock.Lock() + defer s.p.lock.Unlock() + + // Skip encoding if the data is empty + if len(s.data) == 0 { + return nil + } + + data, err := EncodeGob(s.data) + if err != nil { + return err + } + + return ioutil.WriteFile(s.p.filepath(s.sid), data, 0600) +} + +// Flush deletes all session data. +func (s *FileStore) Flush() error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data = make(map[interface{}]interface{}) + return nil +} + +// FileProvider represents a file session provider implementation. +type FileProvider struct { + lock sync.RWMutex + maxlifetime int64 + rootPath string +} + +// Init initializes file session provider with given root path. +func (p *FileProvider) Init(maxlifetime int64, rootPath string) error { + p.lock.Lock() + p.maxlifetime = maxlifetime + p.rootPath = rootPath + p.lock.Unlock() + return nil +} + +func (p *FileProvider) filepath(sid string) string { + return path.Join(p.rootPath, string(sid[0]), string(sid[1]), sid) +} + +// Read returns raw session store by session ID. +func (p *FileProvider) Read(sid string) (_ RawStore, err error) { + filename := p.filepath(sid) + if err = os.MkdirAll(path.Dir(filename), 0700); err != nil { + return nil, err + } + p.lock.RLock() + defer p.lock.RUnlock() + + var f *os.File + expired := true + if com.IsFile(filename) { + modTime, err := com.FileMTime(filename) + if err != nil { + return nil, err + } + expired = (modTime + p.maxlifetime) < time.Now().Unix() + } + if !expired { + f, err = os.OpenFile(filename, os.O_RDONLY, 0600) + } else { + f, err = os.Create(filename) + } + if err != nil { + return nil, err + } + defer f.Close() + + if err = os.Chtimes(filename, time.Now(), time.Now()); err != nil { + return nil, err + } + + var kv map[interface{}]interface{} + data, err := ioutil.ReadAll(f) + if err != nil { + return nil, err + } + if len(data) == 0 { + kv = make(map[interface{}]interface{}) + } else { + kv, err = DecodeGob(data) + if err != nil { + return nil, err + } + } + return NewFileStore(p, sid, kv), nil +} + +// Exist returns true if session with given ID exists. +func (p *FileProvider) Exist(sid string) bool { + p.lock.RLock() + defer p.lock.RUnlock() + return com.IsFile(p.filepath(sid)) +} + +// Destory deletes a session by session ID. +func (p *FileProvider) Destory(sid string) error { + p.lock.Lock() + defer p.lock.Unlock() + return os.Remove(p.filepath(sid)) +} + +func (p *FileProvider) regenerate(oldsid, sid string) (err error) { + p.lock.Lock() + defer p.lock.Unlock() + + filename := p.filepath(sid) + if com.IsExist(filename) { + return fmt.Errorf("new sid '%s' already exists", sid) + } + + oldname := p.filepath(oldsid) + if !com.IsFile(oldname) { + data, err := EncodeGob(make(map[interface{}]interface{})) + if err != nil { + return err + } + if err = os.MkdirAll(path.Dir(oldname), 0700); err != nil { + return err + } + if err = ioutil.WriteFile(oldname, data, 0600); err != nil { + return err + } + } + + if err = os.MkdirAll(path.Dir(filename), 0700); err != nil { + return err + } + if err = os.Rename(oldname, filename); err != nil { + return err + } + return nil +} + +// Regenerate regenerates a session store from old session ID to new one. +func (p *FileProvider) Regenerate(oldsid, sid string) (_ RawStore, err error) { + if err := p.regenerate(oldsid, sid); err != nil { + return nil, err + } + + return p.Read(sid) +} + +// Count counts and returns number of sessions. +func (p *FileProvider) Count() int { + count := 0 + if err := filepath.Walk(p.rootPath, func(path string, fi os.FileInfo, err error) error { + if err != nil { + return err + } + + if !fi.IsDir() { + count++ + } + return nil + }); err != nil { + log.Printf("error counting session files: %v", err) + return 0 + } + return count +} + +// GC calls GC to clean expired sessions. +func (p *FileProvider) GC() { + p.lock.RLock() + defer p.lock.RUnlock() + + if !com.IsExist(p.rootPath) { + return + } + + if err := filepath.Walk(p.rootPath, func(path string, fi os.FileInfo, err error) error { + if err != nil { + return err + } + + if !fi.IsDir() && + (fi.ModTime().Unix()+p.maxlifetime) < time.Now().Unix() { + return os.Remove(path) + } + return nil + }); err != nil { + log.Printf("error garbage collecting session files: %v", err) + } +} + +func init() { + Register("file", &FileProvider{}) +} diff --git a/vendor/github.com/go-macaron/session/flash.go b/vendor/github.com/go-macaron/session/flash.go new file mode 100644 index 00000000000..99aae71e224 --- /dev/null +++ b/vendor/github.com/go-macaron/session/flash.go @@ -0,0 +1,61 @@ +// Copyright 2018 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "net/url" + + "gopkg.in/macaron.v1" +) + +type Flash struct { + ctx *macaron.Context + url.Values + ErrorMsg, WarningMsg, InfoMsg, SuccessMsg string +} + +func (f *Flash) set(name, msg string, current ...bool) { + isShow := false + if (len(current) == 0 && macaron.FlashNow) || + (len(current) > 0 && current[0]) { + isShow = true + } + + if isShow { + f.ctx.Data["Flash"] = f + } else { + f.Set(name, msg) + } +} + +func (f *Flash) Error(msg string, current ...bool) { + f.ErrorMsg = msg + f.set("error", msg, current...) +} + +func (f *Flash) Warning(msg string, current ...bool) { + f.WarningMsg = msg + f.set("warning", msg, current...) +} + +func (f *Flash) Info(msg string, current ...bool) { + f.InfoMsg = msg + f.set("info", msg, current...) +} + +func (f *Flash) Success(msg string, current ...bool) { + f.SuccessMsg = msg + f.set("success", msg, current...) +} diff --git a/vendor/github.com/go-macaron/session/go.mod b/vendor/github.com/go-macaron/session/go.mod new file mode 100644 index 00000000000..5547268b103 --- /dev/null +++ b/vendor/github.com/go-macaron/session/go.mod @@ -0,0 +1,27 @@ +module github.com/go-macaron/session + +go 1.12 + +require ( + gitea.com/lunny/nodb v0.0.0-20200923032308-3238c4655727 + github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 + github.com/couchbase/go-couchbase v0.0.0-20201026062457-7b3be89bbd89 + github.com/couchbase/gomemcached v0.1.1 // indirect + github.com/couchbase/goutils v0.0.0-20201030094643-5e82bb967e67 // indirect + github.com/cupcake/rdb v0.0.0-20161107195141-43ba34106c76 // indirect + github.com/edsrzf/mmap-go v1.0.0 // indirect + github.com/go-macaron/inject v0.0.0-20200308113650-138e5925c53b // indirect + github.com/go-redis/redis/v8 v8.4.0 + github.com/go-sql-driver/mysql v1.4.1 + github.com/lib/pq v1.2.0 + github.com/pkg/errors v0.9.1 // indirect + github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726 // indirect + github.com/siddontang/ledisdb v0.0.0-20190202134119-8ceb77e66a92 + github.com/siddontang/rdb v0.0.0-20150307021120-fc89ed2e418d // indirect + github.com/smartystreets/goconvey v0.0.0-20190731233626-505e41936337 + github.com/unknwon/com v1.0.1 + golang.org/x/crypto v0.0.0-20201124201722-c8d3bf9c5392 // indirect + google.golang.org/appengine v1.6.7 // indirect + gopkg.in/ini.v1 v1.62.0 + gopkg.in/macaron.v1 v1.4.0 +) diff --git a/vendor/github.com/go-macaron/session/go.sum b/vendor/github.com/go-macaron/session/go.sum new file mode 100644 index 00000000000..d5328ad1e75 --- /dev/null +++ b/vendor/github.com/go-macaron/session/go.sum @@ -0,0 +1,180 @@ +gitea.com/lunny/log v0.0.0-20190322053110-01b5df579c4e h1:r1en/D7xJmcY24VkHkjkcJFa+7ZWubVWPBrvsHkmHxk= +gitea.com/lunny/log v0.0.0-20190322053110-01b5df579c4e/go.mod h1:uJEsN4LQpeGYRCjuPXPZBClU7N5pWzGuyF4uqLpE/e0= +gitea.com/lunny/nodb 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b/vendor/github.com/go-macaron/session/memcache/memcache.go @@ -0,0 +1,204 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "fmt" + "strings" + "sync" + + "github.com/bradfitz/gomemcache/memcache" + + "github.com/go-macaron/session" +) + +// MemcacheStore represents a memcache session store implementation. +type MemcacheStore struct { + c *memcache.Client + sid string + expire int32 + lock sync.RWMutex + data map[interface{}]interface{} +} + +// NewMemcacheStore creates and returns a memcache session store. +func NewMemcacheStore(c *memcache.Client, sid string, expire int32, kv map[interface{}]interface{}) *MemcacheStore { + return &MemcacheStore{ + c: c, + sid: sid, + expire: expire, + data: kv, + } +} + +func NewItem(sid string, data []byte, expire int32) *memcache.Item { + return &memcache.Item{ + Key: sid, + Value: data, + Expiration: expire, + } +} + +// Set sets value to given key in session. +func (s *MemcacheStore) Set(key, val interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data[key] = val + return nil +} + +// Get gets value by given key in session. +func (s *MemcacheStore) Get(key interface{}) interface{} { + s.lock.RLock() + defer s.lock.RUnlock() + + return s.data[key] +} + +// Delete delete a key from session. +func (s *MemcacheStore) Delete(key interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + delete(s.data, key) + return nil +} + +// ID returns current session ID. +func (s *MemcacheStore) ID() string { + return s.sid +} + +// Release releases resource and save data to provider. +func (s *MemcacheStore) Release() error { + // Skip encoding if the data is empty + if len(s.data) == 0 { + return nil + } + + data, err := session.EncodeGob(s.data) + if err != nil { + return err + } + + return s.c.Set(NewItem(s.sid, data, s.expire)) +} + +// Flush deletes all session data. +func (s *MemcacheStore) Flush() error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data = make(map[interface{}]interface{}) + return nil +} + +// MemcacheProvider represents a memcache session provider implementation. +type MemcacheProvider struct { + c *memcache.Client + expire int32 +} + +// Init initializes memcache session provider. +// connStrs: 127.0.0.1:9090;127.0.0.1:9091 +func (p *MemcacheProvider) Init(expire int64, connStrs string) error { + p.expire = int32(expire) + p.c = memcache.New(strings.Split(connStrs, ";")...) + return nil +} + +// Read returns raw session store by session ID. +func (p *MemcacheProvider) Read(sid string) (session.RawStore, error) { + if !p.Exist(sid) { + if err := p.c.Set(NewItem(sid, []byte(""), p.expire)); err != nil { + return nil, err + } + } + + var kv map[interface{}]interface{} + item, err := p.c.Get(sid) + if err != nil { + return nil, err + } + if len(item.Value) == 0 { + kv = make(map[interface{}]interface{}) + } else { + kv, err = session.DecodeGob(item.Value) + if err != nil { + return nil, err + } + } + + return NewMemcacheStore(p.c, sid, p.expire, kv), nil +} + +// Exist returns true if session with given ID exists. +func (p *MemcacheProvider) Exist(sid string) bool { + _, err := p.c.Get(sid) + return err == nil +} + +// Destory deletes a session by session ID. +func (p *MemcacheProvider) Destory(sid string) error { + return p.c.Delete(sid) +} + +// Regenerate regenerates a session store from old session ID to new one. +func (p *MemcacheProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err error) { + if p.Exist(sid) { + return nil, fmt.Errorf("new sid '%s' already exists", sid) + } + + item := NewItem(sid, []byte(""), p.expire) + if p.Exist(oldsid) { + item, err = p.c.Get(oldsid) + if err != nil { + return nil, err + } else if err = p.c.Delete(oldsid); err != nil { + return nil, err + } + item.Key = sid + } + if err = p.c.Set(item); err != nil { + return nil, err + } + + var kv map[interface{}]interface{} + if len(item.Value) == 0 { + kv = make(map[interface{}]interface{}) + } else { + kv, err = session.DecodeGob(item.Value) + if err != nil { + return nil, err + } + } + + return NewMemcacheStore(p.c, sid, p.expire, kv), nil +} + +// Count counts and returns number of sessions. +func (p *MemcacheProvider) Count() int { + // FIXME: how come this library does not have Stats method? + return -1 +} + +// GC calls GC to clean expired sessions. +func (p *MemcacheProvider) GC() {} + +func init() { + session.Register("memcache", &MemcacheProvider{}) +} diff --git a/vendor/github.com/go-macaron/session/memcache/memcache.goconvey b/vendor/github.com/go-macaron/session/memcache/memcache.goconvey new file mode 100644 index 00000000000..8485e986e45 --- /dev/null +++ b/vendor/github.com/go-macaron/session/memcache/memcache.goconvey @@ -0,0 +1 @@ +ignore \ No newline at end of file diff --git a/vendor/github.com/go-macaron/session/memory.go b/vendor/github.com/go-macaron/session/memory.go new file mode 100644 index 00000000000..d499573c121 --- /dev/null +++ b/vendor/github.com/go-macaron/session/memory.go @@ -0,0 +1,222 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "container/list" + "fmt" + "sync" + "time" +) + +// MemStore represents a in-memory session store implementation. +type MemStore struct { + sid string + lock sync.RWMutex + data map[interface{}]interface{} + lastAccess time.Time +} + +// NewMemStore creates and returns a memory session store. +func NewMemStore(sid string) *MemStore { + return &MemStore{ + sid: sid, + data: make(map[interface{}]interface{}), + lastAccess: time.Now(), + } +} + +// Set sets value to given key in session. +func (s *MemStore) Set(key, val interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data[key] = val + return nil +} + +// Get gets value by given key in session. +func (s *MemStore) Get(key interface{}) interface{} { + s.lock.RLock() + defer s.lock.RUnlock() + + return s.data[key] +} + +// Delete deletes a key from session. +func (s *MemStore) Delete(key interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + delete(s.data, key) + return nil +} + +// ID returns current session ID. +func (s *MemStore) ID() string { + return s.sid +} + +// Release releases resource and save data to provider. +func (_ *MemStore) Release() error { + return nil +} + +// Flush deletes all session data. +func (s *MemStore) Flush() error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data = make(map[interface{}]interface{}) + return nil +} + +// MemProvider represents a in-memory session provider implementation. +type MemProvider struct { + lock sync.RWMutex + maxLifetime int64 + data map[string]*list.Element + // A priority list whose lastAccess newer gets higer priority. + list *list.List +} + +// Init initializes memory session provider. +func (p *MemProvider) Init(maxLifetime int64, _ string) error { + p.lock.Lock() + p.list = list.New() + p.data = make(map[string]*list.Element) + p.maxLifetime = maxLifetime + p.lock.Unlock() + return nil +} + +// update expands time of session store by given ID. +func (p *MemProvider) update(sid string) error { + p.lock.Lock() + defer p.lock.Unlock() + + if e, ok := p.data[sid]; ok { + e.Value.(*MemStore).lastAccess = time.Now() + p.list.MoveToFront(e) + return nil + } + return nil +} + +// Read returns raw session store by session ID. +func (p *MemProvider) Read(sid string) (_ RawStore, err error) { + p.lock.RLock() + e, ok := p.data[sid] + p.lock.RUnlock() + + // Only restore if the session is still alive. + if ok && (e.Value.(*MemStore).lastAccess.Unix()+p.maxLifetime) >= time.Now().Unix() { + if err = p.update(sid); err != nil { + return nil, err + } + return e.Value.(*MemStore), nil + } + + // Create a new session. + p.lock.Lock() + defer p.lock.Unlock() + if ok { + p.list.Remove(e) + } + s := NewMemStore(sid) + p.data[sid] = p.list.PushBack(s) + return s, nil +} + +// Exist returns true if session with given ID exists. +func (p *MemProvider) Exist(sid string) bool { + p.lock.RLock() + defer p.lock.RUnlock() + + _, ok := p.data[sid] + return ok +} + +// Destory deletes a session by session ID. +func (p *MemProvider) Destory(sid string) error { + p.lock.Lock() + defer p.lock.Unlock() + + e, ok := p.data[sid] + if !ok { + return nil + } + + p.list.Remove(e) + delete(p.data, sid) + return nil +} + +// Regenerate regenerates a session store from old session ID to new one. +func (p *MemProvider) Regenerate(oldsid, sid string) (RawStore, error) { + if p.Exist(sid) { + return nil, fmt.Errorf("new sid '%s' already exists", sid) + } + + s, err := p.Read(oldsid) + if err != nil { + return nil, err + } + + if err = p.Destory(oldsid); err != nil { + return nil, err + } + + s.(*MemStore).sid = sid + + p.lock.Lock() + defer p.lock.Unlock() + p.data[sid] = p.list.PushBack(s) + return s, nil +} + +// Count counts and returns number of sessions. +func (p *MemProvider) Count() int { + return p.list.Len() +} + +// GC calls GC to clean expired sessions. +func (p *MemProvider) GC() { + p.lock.RLock() + for { + // No session in the list. + e := p.list.Back() + if e == nil { + break + } + + if (e.Value.(*MemStore).lastAccess.Unix() + p.maxLifetime) < time.Now().Unix() { + p.lock.RUnlock() + p.lock.Lock() + p.list.Remove(e) + delete(p.data, e.Value.(*MemStore).sid) + p.lock.Unlock() + p.lock.RLock() + } else { + break + } + } + p.lock.RUnlock() +} + +func init() { + Register("memory", &MemProvider{}) +} diff --git a/vendor/github.com/go-macaron/session/postgres/postgres.go b/vendor/github.com/go-macaron/session/postgres/postgres.go new file mode 100644 index 00000000000..3dff033e4c1 --- /dev/null +++ b/vendor/github.com/go-macaron/session/postgres/postgres.go @@ -0,0 +1,203 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "database/sql" + "fmt" + "log" + "sync" + "time" + + _ "github.com/lib/pq" + + "github.com/go-macaron/session" +) + +// PostgresStore represents a postgres session store implementation. +type PostgresStore struct { + c *sql.DB + sid string + lock sync.RWMutex + data map[interface{}]interface{} +} + +// NewPostgresStore creates and returns a postgres session store. +func NewPostgresStore(c *sql.DB, sid string, kv map[interface{}]interface{}) *PostgresStore { + return &PostgresStore{ + c: c, + sid: sid, + data: kv, + } +} + +// Set sets value to given key in session. +func (s *PostgresStore) Set(key, value interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data[key] = value + return nil +} + +// Get gets value by given key in session. +func (s *PostgresStore) Get(key interface{}) interface{} { + s.lock.RLock() + defer s.lock.RUnlock() + + return s.data[key] +} + +// Delete delete a key from session. +func (s *PostgresStore) Delete(key interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + delete(s.data, key) + return nil +} + +// ID returns current session ID. +func (s *PostgresStore) ID() string { + return s.sid +} + +// save postgres session values to database. +// must call this method to save values to database. +func (s *PostgresStore) Release() error { + // Skip encoding if the data is empty + if len(s.data) == 0 { + return nil + } + + data, err := session.EncodeGob(s.data) + if err != nil { + return err + } + + _, err = s.c.Exec("UPDATE session SET data=$1, expiry=$2 WHERE key=$3", + data, time.Now().Unix(), s.sid) + return err +} + +// Flush deletes all session data. +func (s *PostgresStore) Flush() error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data = make(map[interface{}]interface{}) + return nil +} + +// PostgresProvider represents a postgres session provider implementation. +type PostgresProvider struct { + c *sql.DB + maxlifetime int64 +} + +// Init initializes postgres session provider. +// connStr: user=a password=b host=localhost port=5432 dbname=c sslmode=disable +func (p *PostgresProvider) Init(maxlifetime int64, connStr string) (err error) { + p.maxlifetime = maxlifetime + + p.c, err = sql.Open("postgres", connStr) + if err != nil { + return err + } + return p.c.Ping() +} + +// Read returns raw session store by session ID. +func (p *PostgresProvider) Read(sid string) (session.RawStore, error) { + now := time.Now().Unix() + var data []byte + expiry := now + err := p.c.QueryRow("SELECT data, expiry FROM session WHERE key=$1", sid).Scan(&data, &expiry) + if err == sql.ErrNoRows { + _, err = p.c.Exec("INSERT INTO session(key,data,expiry) VALUES($1,$2,$3)", + sid, "", now) + } + if err != nil { + return nil, err + } + + var kv map[interface{}]interface{} + if len(data) == 0 || expiry+p.maxlifetime <= now { + kv = make(map[interface{}]interface{}) + } else { + kv, err = session.DecodeGob(data) + if err != nil { + return nil, err + } + } + + return NewPostgresStore(p.c, sid, kv), nil +} + +// Exist returns true if session with given ID exists. +func (p *PostgresProvider) Exist(sid string) bool { + var data []byte + err := p.c.QueryRow("SELECT data FROM session WHERE key=$1", sid).Scan(&data) + if err != nil && err != sql.ErrNoRows { + panic("session/postgres: error checking existence: " + err.Error()) + } + return err != sql.ErrNoRows +} + +// Destory deletes a session by session ID. +func (p *PostgresProvider) Destory(sid string) error { + _, err := p.c.Exec("DELETE FROM session WHERE key=$1", sid) + return err +} + +// Regenerate regenerates a session store from old session ID to new one. +func (p *PostgresProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err error) { + if p.Exist(sid) { + return nil, fmt.Errorf("new sid '%s' already exists", sid) + } + + if !p.Exist(oldsid) { + if _, err = p.c.Exec("INSERT INTO session(key,data,expiry) VALUES($1,$2,$3)", + oldsid, "", time.Now().Unix()); err != nil { + return nil, err + } + } + + if _, err = p.c.Exec("UPDATE session SET key=$1 WHERE key=$2", sid, oldsid); err != nil { + return nil, err + } + + return p.Read(sid) +} + +// Count counts and returns number of sessions. +func (p *PostgresProvider) Count() (total int) { + if err := p.c.QueryRow("SELECT COUNT(*) AS NUM FROM session").Scan(&total); err != nil { + panic("session/postgres: error counting records: " + err.Error()) + } + return total +} + +// GC calls GC to clean expired sessions. +func (p *PostgresProvider) GC() { + if _, err := p.c.Exec("DELETE FROM session WHERE EXTRACT(EPOCH FROM NOW()) - expiry > $1", p.maxlifetime); err != nil { + log.Printf("session/postgres: error garbage collecting: %v", err) + } +} + +func init() { + session.Register("postgres", &PostgresProvider{}) +} diff --git a/vendor/github.com/go-macaron/session/postgres/postgres.goconvey b/vendor/github.com/go-macaron/session/postgres/postgres.goconvey new file mode 100644 index 00000000000..8485e986e45 --- /dev/null +++ b/vendor/github.com/go-macaron/session/postgres/postgres.goconvey @@ -0,0 +1 @@ +ignore \ No newline at end of file diff --git a/vendor/github.com/go-macaron/session/redis/redis.go b/vendor/github.com/go-macaron/session/redis/redis.go new file mode 100644 index 00000000000..d27dfcf7995 --- /dev/null +++ b/vendor/github.com/go-macaron/session/redis/redis.go @@ -0,0 +1,298 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "context" + "fmt" + "strings" + "sync" + "time" + + "github.com/go-redis/redis/v8" + "github.com/unknwon/com" + "gopkg.in/ini.v1" + + "github.com/go-macaron/session" +) + +// since we do not use context define global once +var ctx = context.TODO() + +// RedisStore represents a redis session store implementation. +type RedisStore struct { + c *redis.Client + prefix, sid string + duration time.Duration + lock sync.RWMutex + data map[interface{}]interface{} +} + +// NewRedisStore creates and returns a redis session store. +func NewRedisStore(c *redis.Client, prefix, sid string, dur time.Duration, kv map[interface{}]interface{}) *RedisStore { + return &RedisStore{ + c: c, + prefix: prefix, + sid: sid, + duration: dur, + data: kv, + } +} + +// Set sets value to given key in session. +func (s *RedisStore) Set(key, val interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data[key] = val + return nil +} + +// Get gets value by given key in session. +func (s *RedisStore) Get(key interface{}) interface{} { + s.lock.RLock() + defer s.lock.RUnlock() + + return s.data[key] +} + +// Delete delete a key from session. +func (s *RedisStore) Delete(key interface{}) error { + s.lock.Lock() + defer s.lock.Unlock() + + delete(s.data, key) + return nil +} + +// ID returns current session ID. +func (s *RedisStore) ID() string { + return s.sid +} + +// Release releases resource and save data to provider. +func (s *RedisStore) Release() error { + // Skip encoding if the data is empty + if len(s.data) == 0 { + return nil + } + + data, err := session.EncodeGob(s.data) + if err != nil { + return err + } + + return s.c.Set(ctx, s.prefix+s.sid, string(data), s.duration).Err() +} + +// Flush deletes all session data. +func (s *RedisStore) Flush() error { + s.lock.Lock() + defer s.lock.Unlock() + + s.data = make(map[interface{}]interface{}) + return nil +} + +// RedisProvider represents a redis session provider implementation. +type RedisProvider struct { + c *redis.Client + duration time.Duration + prefix string +} + +// Init initializes redis session provider. +// configs: network=tcp,addr=:6379,password=macaron,db=0,pool_size=100,idle_timeout=180,prefix=session; +func (p *RedisProvider) Init(maxlifetime int64, configs string) (err error) { + p.duration, err = time.ParseDuration(fmt.Sprintf("%ds", maxlifetime)) + if err != nil { + return err + } + + cfg, err := ini.Load([]byte(strings.Replace(configs, ",", "\n", -1))) + if err != nil { + return err + } + + section, err := cfg.GetSection("") + if err == nil && section != nil && section.Key("ha_mode").Value() == "sentinel" { + return p.initSentinel(cfg) + } + + opt := &redis.Options{ + Network: "tcp", + } + for k, v := range cfg.Section("").KeysHash() { + switch k { + case "network": + opt.Network = v + case "addr": + opt.Addr = v + case "password": + opt.Password = v + case "db": + opt.DB = com.StrTo(v).MustInt() + case "pool_size": + opt.PoolSize = com.StrTo(v).MustInt() + case "idle_timeout": + opt.IdleTimeout, err = time.ParseDuration(v + "s") + if err != nil { + return fmt.Errorf("error parsing idle timeout: %v", err) + } + case "prefix": + p.prefix = v + case "ha_mode": + // avoid panic + default: + return fmt.Errorf("session/redis: unsupported option '%s'", k) + } + } + + p.c = redis.NewClient(opt) + return p.c.Ping(ctx).Err() +} + +func (p *RedisProvider) initSentinel(cfg *ini.File) (err error) { + opt := &redis.FailoverOptions{} + + for k, v := range cfg.Section("").KeysHash() { + switch k { + case "master_name": + opt.MasterName = v + case "sentinel_Addrs": + opt.SentinelAddrs = strings.Split(v, "|") + case "password": + opt.Password = v + case "db": + opt.DB = com.StrTo(v).MustInt() + case "pool_size": + opt.PoolSize = com.StrTo(v).MustInt() + case "dial_timeout": + opt.DialTimeout, err = time.ParseDuration(v + "s") + if err != nil { + return fmt.Errorf("error parsing dial timeout: %v", err) + } + case "read_timeout": + opt.ReadTimeout, err = time.ParseDuration(v + "s") + if err != nil { + return fmt.Errorf("error parsing read timeout: %v", err) + } + case "write_timeout": + opt.WriteTimeout, err = time.ParseDuration(v + "s") + if err != nil { + return fmt.Errorf("error parsing write timeout: %v", err) + } + case "idle_timeout": + opt.IdleTimeout, err = time.ParseDuration(v + "s") + if err != nil { + return fmt.Errorf("error parsing idle timeout: %v", err) + } + case "prefix": + p.prefix = v + } + } + p.c = redis.NewFailoverClient(opt) + return p.c.Ping(ctx).Err() +} + +// Read returns raw session store by session ID. +func (p *RedisProvider) Read(sid string) (session.RawStore, error) { + psid := p.prefix + sid + if !p.Exist(sid) { + if err := p.c.Set(ctx, psid, "", p.duration).Err(); err != nil { + return nil, err + } + } + + var kv map[interface{}]interface{} + kvs, err := p.c.Get(ctx, psid).Result() + if err != nil { + return nil, err + } + if len(kvs) == 0 { + kv = make(map[interface{}]interface{}) + } else { + kv, err = session.DecodeGob([]byte(kvs)) + if err != nil { + return nil, err + } + } + + return NewRedisStore(p.c, p.prefix, sid, p.duration, kv), nil +} + +// Exist returns true if session with given ID exists. +func (p *RedisProvider) Exist(sid string) bool { + count, err := p.c.Exists(ctx, p.prefix+sid).Result() + return err == nil && count == 1 +} + +// Destory deletes a session by session ID. +func (p *RedisProvider) Destory(sid string) error { + return p.c.Del(ctx, p.prefix+sid).Err() +} + +// Regenerate regenerates a session store from old session ID to new one. +func (p *RedisProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err error) { + poldsid := p.prefix + oldsid + psid := p.prefix + sid + + if p.Exist(sid) { + return nil, fmt.Errorf("new sid '%s' already exists", sid) + } else if !p.Exist(oldsid) { + // Make a fake old session. + if err = p.c.Set(ctx, poldsid, "", p.duration).Err(); err != nil { + return nil, err + } + } + + if err = p.c.Rename(ctx, poldsid, psid).Err(); err != nil { + return nil, err + } + + var kv map[interface{}]interface{} + kvs, err := p.c.Get(ctx, psid).Result() + if err != nil { + return nil, err + } + + if len(kvs) == 0 { + kv = make(map[interface{}]interface{}) + } else { + kv, err = session.DecodeGob([]byte(kvs)) + if err != nil { + return nil, err + } + } + + return NewRedisStore(p.c, p.prefix, sid, p.duration, kv), nil +} + +// Count counts and returns number of sessions. +func (p *RedisProvider) Count() int { + count, err := p.c.DBSize(ctx).Result() + if err != nil { + return 0 + } + return int(count) +} + +// GC calls GC to clean expired sessions. +func (_ *RedisProvider) GC() {} + +func init() { + session.Register("redis", &RedisProvider{}) +} diff --git a/vendor/github.com/go-macaron/session/redis/redis.goconvey b/vendor/github.com/go-macaron/session/redis/redis.goconvey new file mode 100644 index 00000000000..8485e986e45 --- /dev/null +++ b/vendor/github.com/go-macaron/session/redis/redis.goconvey @@ -0,0 +1 @@ +ignore \ No newline at end of file diff --git a/vendor/github.com/go-macaron/session/session.go b/vendor/github.com/go-macaron/session/session.go new file mode 100644 index 00000000000..94f88ce3c49 --- /dev/null +++ b/vendor/github.com/go-macaron/session/session.go @@ -0,0 +1,404 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +// Package session a middleware that provides the session management of Macaron. +package session + +import ( + "encoding/hex" + "errors" + "fmt" + "net/http" + "net/url" + "time" + + "gopkg.in/macaron.v1" +) + +const _VERSION = "0.6.0" + +func Version() string { + return _VERSION +} + +// RawStore is the interface that operates the session data. +type RawStore interface { + // Set sets value to given key in session. + Set(interface{}, interface{}) error + // Get gets value by given key in session. + Get(interface{}) interface{} + // Delete deletes a key from session. + Delete(interface{}) error + // ID returns current session ID. + ID() string + // Release releases session resource and save data to provider. + Release() error + // Flush deletes all session data. + Flush() error +} + +// Store is the interface that contains all data for one session process with specific ID. +type Store interface { + RawStore + // Read returns raw session store by session ID. + Read(string) (RawStore, error) + // Destory deletes a session. + Destory(*macaron.Context) error + // RegenerateId regenerates a session store from old session ID to new one. + RegenerateId(*macaron.Context) (RawStore, error) + // Count counts and returns number of sessions. + Count() int + // GC calls GC to clean expired sessions. + GC() +} + +type store struct { + RawStore + *Manager +} + +var _ Store = &store{} + +// Options represents a struct for specifying configuration options for the session middleware. +type Options struct { + // Name of provider. Default is "memory". + Provider string + // Provider configuration, it's corresponding to provider. + ProviderConfig string + // Cookie name to save session ID. Default is "MacaronSession". + CookieName string + // Cookie path to store. Default is "/". + CookiePath string + // GC interval time in seconds. Default is 3600. + Gclifetime int64 + // Max life time in seconds. Default is whatever GC interval time is. + Maxlifetime int64 + // Use HTTPS only. Default is false. + Secure bool + // Cookie life time. Default is 0. + CookieLifeTime int + // Cookie SameSite default is false (Lax), can be set to true (Strict) + CookieSameSite bool + // Cookie domain name. Default is empty. + Domain string + // Session ID length. Default is 16. + IDLength int + // Configuration section name. Default is "session". + Section string + // Ignore release for websocket. Default is false. + IgnoreReleaseForWebSocket bool +} + +func prepareOptions(options []Options) Options { + var opt Options + if len(options) > 0 { + opt = options[0] + } + if len(opt.Section) == 0 { + opt.Section = "session" + } + sec := macaron.Config().Section(opt.Section) + + if len(opt.Provider) == 0 { + opt.Provider = sec.Key("PROVIDER").MustString("memory") + } + if len(opt.ProviderConfig) == 0 { + opt.ProviderConfig = sec.Key("PROVIDER_CONFIG").MustString("data/sessions") + } + if len(opt.CookieName) == 0 { + opt.CookieName = sec.Key("COOKIE_NAME").MustString("MacaronSession") + } + if len(opt.CookiePath) == 0 { + opt.CookiePath = sec.Key("COOKIE_PATH").MustString("/") + } + if opt.Gclifetime == 0 { + opt.Gclifetime = sec.Key("GC_INTERVAL_TIME").MustInt64(3600) + } + if opt.Maxlifetime == 0 { + opt.Maxlifetime = sec.Key("MAX_LIFE_TIME").MustInt64(opt.Gclifetime) + } + if !opt.Secure { + opt.Secure = sec.Key("SECURE").MustBool() + } + if !opt.CookieSameSite { + opt.CookieSameSite = sec.Key("COOKIE_SAME_SITE").MustBool() + } + if opt.CookieLifeTime == 0 { + opt.CookieLifeTime = sec.Key("COOKIE_LIFE_TIME").MustInt() + } + if len(opt.Domain) == 0 { + opt.Domain = sec.Key("DOMAIN").String() + } + if opt.IDLength == 0 { + opt.IDLength = sec.Key("ID_LENGTH").MustInt(16) + } + if !opt.IgnoreReleaseForWebSocket { + opt.IgnoreReleaseForWebSocket = sec.Key("IGNORE_RELEASE_FOR_WEBSOCKET").MustBool() + } + + return opt +} + +// Sessioner is a middleware that maps a session.SessionStore service into the Macaron handler chain. +// An single variadic session.Options struct can be optionally provided to configure. +func Sessioner(options ...Options) macaron.Handler { + opt := prepareOptions(options) + manager, err := NewManager(opt.Provider, opt) + if err != nil { + panic(err) + } + go manager.startGC() + + return func(ctx *macaron.Context) { + sess, err := manager.Start(ctx) + if err != nil { + panic("session(start): " + err.Error()) + } + + // Get flash. + vals, _ := url.ParseQuery(ctx.GetCookie("macaron_flash")) + if len(vals) > 0 { + f := &Flash{Values: vals} + f.ErrorMsg = f.Get("error") + f.SuccessMsg = f.Get("success") + f.InfoMsg = f.Get("info") + f.WarningMsg = f.Get("warning") + ctx.Data["Flash"] = f + ctx.SetCookie("macaron_flash", "", -1, opt.CookiePath) + } + + f := &Flash{ctx, url.Values{}, "", "", "", ""} + ctx.Resp.Before(func(macaron.ResponseWriter) { + if flash := f.Encode(); len(flash) > 0 { + ctx.SetCookie("macaron_flash", flash, 0, opt.CookiePath) + } + }) + + ctx.Map(f) + s := store{ + RawStore: sess, + Manager: manager, + } + + ctx.MapTo(s, (*Store)(nil)) + + ctx.Next() + + if manager.opt.IgnoreReleaseForWebSocket && ctx.Req.Header.Get("Upgrade") == "websocket" { + return + } + + if err = sess.Release(); err != nil { + panic("session(release): " + err.Error()) + } + } +} + +// Provider is the interface that provides session manipulations. +type Provider interface { + // Init initializes session provider. + Init(gclifetime int64, config string) error + // Read returns raw session store by session ID. + Read(sid string) (RawStore, error) + // Exist returns true if session with given ID exists. + Exist(sid string) bool + // Destory deletes a session by session ID. + Destory(sid string) error + // Regenerate regenerates a session store from old session ID to new one. + Regenerate(oldsid, sid string) (RawStore, error) + // Count counts and returns number of sessions. + Count() int + // GC calls GC to clean expired sessions. + GC() +} + +var providers = make(map[string]Provider) + +// Register registers a provider. +func Register(name string, provider Provider) { + if provider == nil { + panic("session: cannot register provider with nil value") + } + if _, dup := providers[name]; dup { + panic(fmt.Errorf("session: cannot register provider '%s' twice", name)) + } + providers[name] = provider +} + +// _____ +// / \ _____ ____ _____ ____ ___________ +// / \ / \\__ \ / \\__ \ / ___\_/ __ \_ __ \ +// / Y \/ __ \| | \/ __ \_/ /_/ > ___/| | \/ +// \____|__ (____ /___| (____ /\___ / \___ >__| +// \/ \/ \/ \//_____/ \/ + +// Manager represents a struct that contains session provider and its configuration. +type Manager struct { + provider Provider + opt Options +} + +// NewManager creates and returns a new session manager by given provider name and configuration. +// It panics when given provider isn't registered. +func NewManager(name string, opt Options) (*Manager, error) { + p, ok := providers[name] + if !ok { + return nil, fmt.Errorf("session: unknown provider '%s'(forgotten import?)", name) + } + return &Manager{p, opt}, p.Init(opt.Maxlifetime, opt.ProviderConfig) +} + +// sessionID generates a new session ID with rand string, unix nano time, remote addr by hash function. +func (m *Manager) sessionID() string { + return hex.EncodeToString(generateRandomKey(m.opt.IDLength / 2)) +} + +// validSessionID tests whether a provided session ID is a valid session ID. +func (m *Manager) validSessionID(sid string) (bool, error) { + if len(sid) != m.opt.IDLength { + return false, errors.New("invalid 'sid': " + sid) + } + + for i := range sid { + switch { + case '0' <= sid[i] && sid[i] <= '9': + case 'a' <= sid[i] && sid[i] <= 'f': + default: + return false, errors.New("invalid 'sid': " + sid) + } + } + return true, nil +} + +// Start starts a session by generating new one +// or retrieve existence one by reading session ID from HTTP request if it's valid. +func (m *Manager) Start(ctx *macaron.Context) (RawStore, error) { + sid := ctx.GetCookie(m.opt.CookieName) + valid, _ := m.validSessionID(sid) + if len(sid) > 0 && valid && m.provider.Exist(sid) { + return m.provider.Read(sid) + } + + sid = m.sessionID() + sess, err := m.provider.Read(sid) + if err != nil { + return nil, err + } + + sameSite := http.SameSiteLaxMode + if m.opt.CookieSameSite { + sameSite = http.SameSiteStrictMode + } + + cookie := &http.Cookie{ + Name: m.opt.CookieName, + Value: sid, + Path: m.opt.CookiePath, + HttpOnly: true, + Secure: m.opt.Secure, + Domain: m.opt.Domain, + SameSite: sameSite, + } + if m.opt.CookieLifeTime >= 0 { + cookie.MaxAge = m.opt.CookieLifeTime + } + http.SetCookie(ctx.Resp, cookie) + ctx.Req.AddCookie(cookie) + return sess, nil +} + +// Read returns raw session store by session ID. +func (m *Manager) Read(sid string) (RawStore, error) { + // Ensure we're trying to read a valid session ID + if _, err := m.validSessionID(sid); err != nil { + return nil, err + } + + return m.provider.Read(sid) +} + +// Destory deletes a session by given ID. +func (m *Manager) Destory(ctx *macaron.Context) error { + sid := ctx.GetCookie(m.opt.CookieName) + if len(sid) == 0 { + return nil + } + + if _, err := m.validSessionID(sid); err != nil { + return err + } + + if err := m.provider.Destory(sid); err != nil { + return err + } + cookie := &http.Cookie{ + Name: m.opt.CookieName, + Path: m.opt.CookiePath, + HttpOnly: true, + Expires: time.Now(), + MaxAge: -1, + } + http.SetCookie(ctx.Resp, cookie) + return nil +} + +// RegenerateId regenerates a session store from old session ID to new one. +func (m *Manager) RegenerateId(ctx *macaron.Context) (sess RawStore, err error) { + sid := m.sessionID() + oldsid := ctx.GetCookie(m.opt.CookieName) + _, err = m.validSessionID(oldsid) + if err != nil { + return nil, err + } + sess, err = m.provider.Regenerate(oldsid, sid) + if err != nil { + return nil, err + } + cookie := &http.Cookie{ + Name: m.opt.CookieName, + Value: sid, + Path: m.opt.CookiePath, + HttpOnly: true, + Secure: m.opt.Secure, + Domain: m.opt.Domain, + } + if m.opt.CookieLifeTime >= 0 { + cookie.MaxAge = m.opt.CookieLifeTime + } + http.SetCookie(ctx.Resp, cookie) + ctx.Req.AddCookie(cookie) + return sess, nil +} + +// Count counts and returns number of sessions. +func (m *Manager) Count() int { + return m.provider.Count() +} + +// GC starts GC job in a certain period. +func (m *Manager) GC() { + m.provider.GC() +} + +// startGC starts GC job in a certain period. +func (m *Manager) startGC() { + m.GC() + time.AfterFunc(time.Duration(m.opt.Gclifetime)*time.Second, func() { m.startGC() }) +} + +// SetSecure indicates whether to set cookie with HTTPS or not. +func (m *Manager) SetSecure(secure bool) { + m.opt.Secure = secure +} diff --git a/vendor/github.com/go-macaron/session/utils.go b/vendor/github.com/go-macaron/session/utils.go new file mode 100644 index 00000000000..762b978cdfa --- /dev/null +++ b/vendor/github.com/go-macaron/session/utils.go @@ -0,0 +1,63 @@ +// Copyright 2013 Beego Authors +// Copyright 2014 The Macaron Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"): you may +// not use this file except in compliance with the License. You may obtain +// a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +// License for the specific language governing permissions and limitations +// under the License. + +package session + +import ( + "bytes" + "crypto/rand" + "encoding/gob" + "io" + + "github.com/unknwon/com" +) + +func init() { + gob.Register([]interface{}{}) + gob.Register(map[int]interface{}{}) + gob.Register(map[string]interface{}{}) + gob.Register(map[interface{}]interface{}{}) + gob.Register(map[string]string{}) + gob.Register(map[int]string{}) + gob.Register(map[int]int{}) + gob.Register(map[int]int64{}) +} + +func EncodeGob(obj map[interface{}]interface{}) ([]byte, error) { + for _, v := range obj { + gob.Register(v) + } + buf := bytes.NewBuffer(nil) + err := gob.NewEncoder(buf).Encode(obj) + return buf.Bytes(), err +} + +func DecodeGob(encoded []byte) (out map[interface{}]interface{}, err error) { + buf := bytes.NewBuffer(encoded) + err = gob.NewDecoder(buf).Decode(&out) + return out, err +} + +// NOTE: A local copy in case of underlying package change +var alphanum = []byte("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz") + +// generateRandomKey creates a random key with the given strength. +func generateRandomKey(strength int) []byte { + k := make([]byte, strength) + if n, err := io.ReadFull(rand.Reader, k); n != strength || err != nil { + return com.RandomCreateBytes(strength, alphanum...) + } + return k +} diff --git a/vendor/github.com/go-redis/redis/v8/.gitignore b/vendor/github.com/go-redis/redis/v8/.gitignore new file mode 100644 index 00000000000..b975a7b4c32 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/.gitignore @@ -0,0 +1,3 @@ +*.rdb +testdata/*/ +.idea/ diff --git a/vendor/github.com/go-redis/redis/v8/.golangci.yml b/vendor/github.com/go-redis/redis/v8/.golangci.yml new file mode 100644 index 00000000000..b88b2b9b57b --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/.golangci.yml @@ -0,0 +1,24 @@ +run: + concurrency: 8 + deadline: 5m + tests: false +linters: + enable-all: true + disable: + - funlen + - gochecknoglobals + - gochecknoinits + - gocognit + - goconst + - godox + - gosec + - maligned + - wsl + - gomnd + - goerr113 + - exhaustive + - nestif + - nlreturn + - exhaustivestruct + - wrapcheck + - errorlint diff --git a/vendor/github.com/go-redis/redis/v8/.prettierrc b/vendor/github.com/go-redis/redis/v8/.prettierrc new file mode 100644 index 00000000000..8b7f044ad1f --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/.prettierrc @@ -0,0 +1,4 @@ +semi: false +singleQuote: true +proseWrap: always +printWidth: 100 diff --git a/vendor/github.com/go-redis/redis/v8/.travis.yml b/vendor/github.com/go-redis/redis/v8/.travis.yml new file mode 100644 index 00000000000..a221d84dbaa --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/.travis.yml @@ -0,0 +1,20 @@ +dist: xenial +language: go + +services: + - redis-server + +go: + - 1.14.x + - 1.15.x + - tip + +matrix: + allow_failures: + - go: tip + +go_import_path: github.com/go-redis/redis + +before_install: + - curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh | sh -s -- + -b $(go env GOPATH)/bin v1.32.2 diff --git a/vendor/github.com/go-redis/redis/v8/CHANGELOG.md b/vendor/github.com/go-redis/redis/v8/CHANGELOG.md new file mode 100644 index 00000000000..8392d548595 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/CHANGELOG.md @@ -0,0 +1,5 @@ +# Changelog + +> :heart: [**Uptrace.dev** - distributed traces, logs, and errors in one place](https://uptrace.dev) + +See https://redis.uptrace.dev/changelog/ diff --git a/vendor/github.com/go-redis/redis/v8/LICENSE b/vendor/github.com/go-redis/redis/v8/LICENSE new file mode 100644 index 00000000000..298bed9beaf --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/LICENSE @@ -0,0 +1,25 @@ +Copyright (c) 2013 The github.com/go-redis/redis Authors. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/github.com/go-redis/redis/v8/Makefile b/vendor/github.com/go-redis/redis/v8/Makefile new file mode 100644 index 00000000000..49e4c96f068 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/Makefile @@ -0,0 +1,21 @@ +all: testdeps + go test ./... + go test ./... -short -race + go test ./... -run=NONE -bench=. -benchmem + env GOOS=linux GOARCH=386 go test ./... + go vet + golangci-lint run + +testdeps: testdata/redis/src/redis-server + +bench: testdeps + go test ./... -test.run=NONE -test.bench=. -test.benchmem + +.PHONY: all test testdeps bench + +testdata/redis: + mkdir -p $@ + wget -qO- http://download.redis.io/redis-stable.tar.gz | tar xvz --strip-components=1 -C $@ + +testdata/redis/src/redis-server: testdata/redis + cd $< && make all diff --git a/vendor/github.com/go-redis/redis/v8/README.md b/vendor/github.com/go-redis/redis/v8/README.md new file mode 100644 index 00000000000..1dcab5c840d --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/README.md @@ -0,0 +1,137 @@ +# Redis client for Golang + +[![Build Status](https://travis-ci.org/go-redis/redis.png?branch=master)](https://travis-ci.org/go-redis/redis) +[![PkgGoDev](https://pkg.go.dev/badge/github.com/go-redis/redis/v8)](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc) +[![Documentation](https://img.shields.io/badge/redis-documentation-informational)](https://redis.uptrace.dev/) +[![Chat](https://discordapp.com/api/guilds/752070105847955518/widget.png)](https://discord.gg/rWtp5Aj) + +> :heart: [**Uptrace.dev** - distributed traces, logs, and errors in one place](https://uptrace.dev) + +- Join [Discord](https://discord.gg/rWtp5Aj) to ask questions. +- [Documentation](https://redis.uptrace.dev) +- [Reference](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc) +- [Examples](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#pkg-examples) +- [RealWorld example app](https://github.com/uptrace/go-treemux-realworld-example-app) + +## Ecosystem + +- [Distributed Locks](https://github.com/bsm/redislock). +- [Redis Cache](https://github.com/go-redis/cache). +- [Rate limiting](https://github.com/go-redis/redis_rate). + +## Features + +- Redis 3 commands except QUIT, MONITOR, and SYNC. +- Automatic connection pooling with + [circuit breaker](https://en.wikipedia.org/wiki/Circuit_breaker_design_pattern) support. +- [Pub/Sub](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#PubSub). +- [Transactions](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-TxPipeline). +- [Pipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-Pipeline) and + [TxPipeline](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-Client-TxPipeline). +- [Scripting](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Script). +- [Timeouts](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#Options). +- [Redis Sentinel](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewFailoverClient). +- [Redis Cluster](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewClusterClient). +- [Cluster of Redis Servers](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#example-NewClusterClient--ManualSetup) + without using cluster mode and Redis Sentinel. +- [Ring](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#NewRing). +- [Instrumentation](https://pkg.go.dev/github.com/go-redis/redis/v8?tab=doc#ex-package--Instrumentation). + +## Installation + +go-redis supports 2 last Go versions and requires a Go version with +[modules](https://github.com/golang/go/wiki/Modules) support. So make sure to initialize a Go +module: + +```shell +go mod init github.com/my/repo +``` + +And then install go-redis/v8 (note _v8_ in the import; omitting it is a popular mistake): + +```shell +go get github.com/go-redis/redis/v8 +``` + +## Quickstart + +```go +import ( + "context" + "github.com/go-redis/redis/v8" +) + +var ctx = context.Background() + +func ExampleClient() { + rdb := redis.NewClient(&redis.Options{ + Addr: "localhost:6379", + Password: "", // no password set + DB: 0, // use default DB + }) + + err := rdb.Set(ctx, "key", "value", 0).Err() + if err != nil { + panic(err) + } + + val, err := rdb.Get(ctx, "key").Result() + if err != nil { + panic(err) + } + fmt.Println("key", val) + + val2, err := rdb.Get(ctx, "key2").Result() + if err == redis.Nil { + fmt.Println("key2 does not exist") + } else if err != nil { + panic(err) + } else { + fmt.Println("key2", val2) + } + // Output: key value + // key2 does not exist +} +``` + +## Look and feel + +Some corner cases: + +```go +// SET key value EX 10 NX +set, err := rdb.SetNX(ctx, "key", "value", 10*time.Second).Result() + +// SET key value keepttl NX +set, err := rdb.SetNX(ctx, "key", "value", redis.KeepTTL).Result() + +// SORT list LIMIT 0 2 ASC +vals, err := rdb.Sort(ctx, "list", &redis.Sort{Offset: 0, Count: 2, Order: "ASC"}).Result() + +// ZRANGEBYSCORE zset -inf +inf WITHSCORES LIMIT 0 2 +vals, err := rdb.ZRangeByScoreWithScores(ctx, "zset", &redis.ZRangeBy{ + Min: "-inf", + Max: "+inf", + Offset: 0, + Count: 2, +}).Result() + +// ZINTERSTORE out 2 zset1 zset2 WEIGHTS 2 3 AGGREGATE SUM +vals, err := rdb.ZInterStore(ctx, "out", &redis.ZStore{ + Keys: []string{"zset1", "zset2"}, + Weights: []int64{2, 3} +}).Result() + +// EVAL "return {KEYS[1],ARGV[1]}" 1 "key" "hello" +vals, err := rdb.Eval(ctx, "return {KEYS[1],ARGV[1]}", []string{"key"}, "hello").Result() + +// custom command +res, err := rdb.Do(ctx, "set", "key", "value").Result() +``` + +## See also + +- [Fast and flexible HTTP router](https://github.com/vmihailenco/treemux) +- [Golang PostgreSQL ORM](https://github.com/go-pg/pg) +- [Golang msgpack](https://github.com/vmihailenco/msgpack) +- [Golang message task queue](https://github.com/vmihailenco/taskq) diff --git a/vendor/github.com/go-redis/redis/v8/cluster.go b/vendor/github.com/go-redis/redis/v8/cluster.go new file mode 100644 index 00000000000..a6ce5c58462 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/cluster.go @@ -0,0 +1,1697 @@ +package redis + +import ( + "context" + "crypto/tls" + "fmt" + "math" + "net" + "runtime" + "sort" + "sync" + "sync/atomic" + "time" + + "github.com/go-redis/redis/v8/internal" + "github.com/go-redis/redis/v8/internal/hashtag" + "github.com/go-redis/redis/v8/internal/pool" + "github.com/go-redis/redis/v8/internal/proto" + "github.com/go-redis/redis/v8/internal/rand" +) + +var errClusterNoNodes = fmt.Errorf("redis: cluster has no nodes") + +// ClusterOptions are used to configure a cluster client and should be +// passed to NewClusterClient. +type ClusterOptions struct { + // A seed list of host:port addresses of cluster nodes. + Addrs []string + + // NewClient creates a cluster node client with provided name and options. + NewClient func(opt *Options) *Client + + // The maximum number of retries before giving up. Command is retried + // on network errors and MOVED/ASK redirects. + // Default is 3 retries. + MaxRedirects int + + // Enables read-only commands on slave nodes. + ReadOnly bool + // Allows routing read-only commands to the closest master or slave node. + // It automatically enables ReadOnly. + RouteByLatency bool + // Allows routing read-only commands to the random master or slave node. + // It automatically enables ReadOnly. + RouteRandomly bool + + // Optional function that returns cluster slots information. + // It is useful to manually create cluster of standalone Redis servers + // and load-balance read/write operations between master and slaves. + // It can use service like ZooKeeper to maintain configuration information + // and Cluster.ReloadState to manually trigger state reloading. + ClusterSlots func(context.Context) ([]ClusterSlot, error) + + // Following options are copied from Options struct. + + Dialer func(ctx context.Context, network, addr string) (net.Conn, error) + + OnConnect func(ctx context.Context, cn *Conn) error + + Username string + Password string + + MaxRetries int + MinRetryBackoff time.Duration + MaxRetryBackoff time.Duration + + DialTimeout time.Duration + ReadTimeout time.Duration + WriteTimeout time.Duration + + // PoolSize applies per cluster node and not for the whole cluster. + PoolSize int + MinIdleConns int + MaxConnAge time.Duration + PoolTimeout time.Duration + IdleTimeout time.Duration + IdleCheckFrequency time.Duration + + TLSConfig *tls.Config +} + +func (opt *ClusterOptions) init() { + if opt.MaxRedirects == -1 { + opt.MaxRedirects = 0 + } else if opt.MaxRedirects == 0 { + opt.MaxRedirects = 3 + } + + if (opt.RouteByLatency || opt.RouteRandomly) && opt.ClusterSlots == nil { + opt.ReadOnly = true + } + + if opt.PoolSize == 0 { + opt.PoolSize = 5 * runtime.NumCPU() + } + + switch opt.ReadTimeout { + case -1: + opt.ReadTimeout = 0 + case 0: + opt.ReadTimeout = 3 * time.Second + } + switch opt.WriteTimeout { + case -1: + opt.WriteTimeout = 0 + case 0: + opt.WriteTimeout = opt.ReadTimeout + } + + if opt.MaxRetries == 0 { + opt.MaxRetries = -1 + } + switch opt.MinRetryBackoff { + case -1: + opt.MinRetryBackoff = 0 + case 0: + opt.MinRetryBackoff = 8 * time.Millisecond + } + switch opt.MaxRetryBackoff { + case -1: + opt.MaxRetryBackoff = 0 + case 0: + opt.MaxRetryBackoff = 512 * time.Millisecond + } + + if opt.NewClient == nil { + opt.NewClient = NewClient + } +} + +func (opt *ClusterOptions) clientOptions() *Options { + const disableIdleCheck = -1 + + return &Options{ + Dialer: opt.Dialer, + OnConnect: opt.OnConnect, + + Username: opt.Username, + Password: opt.Password, + + MaxRetries: opt.MaxRetries, + MinRetryBackoff: opt.MinRetryBackoff, + MaxRetryBackoff: opt.MaxRetryBackoff, + + DialTimeout: opt.DialTimeout, + ReadTimeout: opt.ReadTimeout, + WriteTimeout: opt.WriteTimeout, + + PoolSize: opt.PoolSize, + MinIdleConns: opt.MinIdleConns, + MaxConnAge: opt.MaxConnAge, + PoolTimeout: opt.PoolTimeout, + IdleTimeout: opt.IdleTimeout, + IdleCheckFrequency: disableIdleCheck, + + readOnly: opt.ReadOnly, + + TLSConfig: opt.TLSConfig, + } +} + +//------------------------------------------------------------------------------ + +type clusterNode struct { + Client *Client + + latency uint32 // atomic + generation uint32 // atomic + failing uint32 // atomic +} + +func newClusterNode(clOpt *ClusterOptions, addr string) *clusterNode { + opt := clOpt.clientOptions() + opt.Addr = addr + node := clusterNode{ + Client: clOpt.NewClient(opt), + } + + node.latency = math.MaxUint32 + if clOpt.RouteByLatency { + go node.updateLatency() + } + + return &node +} + +func (n *clusterNode) String() string { + return n.Client.String() +} + +func (n *clusterNode) Close() error { + return n.Client.Close() +} + +func (n *clusterNode) updateLatency() { + const numProbe = 10 + var dur uint64 + + for i := 0; i < numProbe; i++ { + time.Sleep(time.Duration(10+rand.Intn(10)) * time.Millisecond) + + start := time.Now() + n.Client.Ping(context.TODO()) + dur += uint64(time.Since(start) / time.Microsecond) + } + + latency := float64(dur) / float64(numProbe) + atomic.StoreUint32(&n.latency, uint32(latency+0.5)) +} + +func (n *clusterNode) Latency() time.Duration { + latency := atomic.LoadUint32(&n.latency) + return time.Duration(latency) * time.Microsecond +} + +func (n *clusterNode) MarkAsFailing() { + atomic.StoreUint32(&n.failing, uint32(time.Now().Unix())) +} + +func (n *clusterNode) Failing() bool { + const timeout = 15 // 15 seconds + + failing := atomic.LoadUint32(&n.failing) + if failing == 0 { + return false + } + if time.Now().Unix()-int64(failing) < timeout { + return true + } + atomic.StoreUint32(&n.failing, 0) + return false +} + +func (n *clusterNode) Generation() uint32 { + return atomic.LoadUint32(&n.generation) +} + +func (n *clusterNode) SetGeneration(gen uint32) { + for { + v := atomic.LoadUint32(&n.generation) + if gen < v || atomic.CompareAndSwapUint32(&n.generation, v, gen) { + break + } + } +} + +//------------------------------------------------------------------------------ + +type clusterNodes struct { + opt *ClusterOptions + + mu sync.RWMutex + addrs []string + nodes map[string]*clusterNode + activeAddrs []string + closed bool + + _generation uint32 // atomic +} + +func newClusterNodes(opt *ClusterOptions) *clusterNodes { + return &clusterNodes{ + opt: opt, + + addrs: opt.Addrs, + nodes: make(map[string]*clusterNode), + } +} + +func (c *clusterNodes) Close() error { + c.mu.Lock() + defer c.mu.Unlock() + + if c.closed { + return nil + } + c.closed = true + + var firstErr error + for _, node := range c.nodes { + if err := node.Client.Close(); err != nil && firstErr == nil { + firstErr = err + } + } + + c.nodes = nil + c.activeAddrs = nil + + return firstErr +} + +func (c *clusterNodes) Addrs() ([]string, error) { + var addrs []string + c.mu.RLock() + closed := c.closed + if !closed { + if len(c.activeAddrs) > 0 { + addrs = c.activeAddrs + } else { + addrs = c.addrs + } + } + c.mu.RUnlock() + + if closed { + return nil, pool.ErrClosed + } + if len(addrs) == 0 { + return nil, errClusterNoNodes + } + return addrs, nil +} + +func (c *clusterNodes) NextGeneration() uint32 { + return atomic.AddUint32(&c._generation, 1) +} + +// GC removes unused nodes. +func (c *clusterNodes) GC(generation uint32) { + //nolint:prealloc + var collected []*clusterNode + + c.mu.Lock() + + c.activeAddrs = c.activeAddrs[:0] + for addr, node := range c.nodes { + if node.Generation() >= generation { + c.activeAddrs = append(c.activeAddrs, addr) + if c.opt.RouteByLatency { + go node.updateLatency() + } + continue + } + + delete(c.nodes, addr) + collected = append(collected, node) + } + + c.mu.Unlock() + + for _, node := range collected { + _ = node.Client.Close() + } +} + +func (c *clusterNodes) Get(addr string) (*clusterNode, error) { + node, err := c.get(addr) + if err != nil { + return nil, err + } + if node != nil { + return node, nil + } + + c.mu.Lock() + defer c.mu.Unlock() + + if c.closed { + return nil, pool.ErrClosed + } + + node, ok := c.nodes[addr] + if ok { + return node, nil + } + + node = newClusterNode(c.opt, addr) + + c.addrs = appendIfNotExists(c.addrs, addr) + c.nodes[addr] = node + + return node, nil +} + +func (c *clusterNodes) get(addr string) (*clusterNode, error) { + var node *clusterNode + var err error + c.mu.RLock() + if c.closed { + err = pool.ErrClosed + } else { + node = c.nodes[addr] + } + c.mu.RUnlock() + return node, err +} + +func (c *clusterNodes) All() ([]*clusterNode, error) { + c.mu.RLock() + defer c.mu.RUnlock() + + if c.closed { + return nil, pool.ErrClosed + } + + cp := make([]*clusterNode, 0, len(c.nodes)) + for _, node := range c.nodes { + cp = append(cp, node) + } + return cp, nil +} + +func (c *clusterNodes) Random() (*clusterNode, error) { + addrs, err := c.Addrs() + if err != nil { + return nil, err + } + + n := rand.Intn(len(addrs)) + return c.Get(addrs[n]) +} + +//------------------------------------------------------------------------------ + +type clusterSlot struct { + start, end int + nodes []*clusterNode +} + +type clusterSlotSlice []*clusterSlot + +func (p clusterSlotSlice) Len() int { + return len(p) +} + +func (p clusterSlotSlice) Less(i, j int) bool { + return p[i].start < p[j].start +} + +func (p clusterSlotSlice) Swap(i, j int) { + p[i], p[j] = p[j], p[i] +} + +type clusterState struct { + nodes *clusterNodes + Masters []*clusterNode + Slaves []*clusterNode + + slots []*clusterSlot + + generation uint32 + createdAt time.Time +} + +func newClusterState( + nodes *clusterNodes, slots []ClusterSlot, origin string, +) (*clusterState, error) { + c := clusterState{ + nodes: nodes, + + slots: make([]*clusterSlot, 0, len(slots)), + + generation: nodes.NextGeneration(), + createdAt: time.Now(), + } + + originHost, _, _ := net.SplitHostPort(origin) + isLoopbackOrigin := isLoopback(originHost) + + for _, slot := range slots { + var nodes []*clusterNode + for i, slotNode := range slot.Nodes { + addr := slotNode.Addr + if !isLoopbackOrigin { + addr = replaceLoopbackHost(addr, originHost) + } + + node, err := c.nodes.Get(addr) + if err != nil { + return nil, err + } + + node.SetGeneration(c.generation) + nodes = append(nodes, node) + + if i == 0 { + c.Masters = appendUniqueNode(c.Masters, node) + } else { + c.Slaves = appendUniqueNode(c.Slaves, node) + } + } + + c.slots = append(c.slots, &clusterSlot{ + start: slot.Start, + end: slot.End, + nodes: nodes, + }) + } + + sort.Sort(clusterSlotSlice(c.slots)) + + time.AfterFunc(time.Minute, func() { + nodes.GC(c.generation) + }) + + return &c, nil +} + +func replaceLoopbackHost(nodeAddr, originHost string) string { + nodeHost, nodePort, err := net.SplitHostPort(nodeAddr) + if err != nil { + return nodeAddr + } + + nodeIP := net.ParseIP(nodeHost) + if nodeIP == nil { + return nodeAddr + } + + if !nodeIP.IsLoopback() { + return nodeAddr + } + + // Use origin host which is not loopback and node port. + return net.JoinHostPort(originHost, nodePort) +} + +func isLoopback(host string) bool { + ip := net.ParseIP(host) + if ip == nil { + return true + } + return ip.IsLoopback() +} + +func (c *clusterState) slotMasterNode(slot int) (*clusterNode, error) { + nodes := c.slotNodes(slot) + if len(nodes) > 0 { + return nodes[0], nil + } + return c.nodes.Random() +} + +func (c *clusterState) slotSlaveNode(slot int) (*clusterNode, error) { + nodes := c.slotNodes(slot) + switch len(nodes) { + case 0: + return c.nodes.Random() + case 1: + return nodes[0], nil + case 2: + if slave := nodes[1]; !slave.Failing() { + return slave, nil + } + return nodes[0], nil + default: + var slave *clusterNode + for i := 0; i < 10; i++ { + n := rand.Intn(len(nodes)-1) + 1 + slave = nodes[n] + if !slave.Failing() { + return slave, nil + } + } + + // All slaves are loading - use master. + return nodes[0], nil + } +} + +func (c *clusterState) slotClosestNode(slot int) (*clusterNode, error) { + nodes := c.slotNodes(slot) + if len(nodes) == 0 { + return c.nodes.Random() + } + + var node *clusterNode + for _, n := range nodes { + if n.Failing() { + continue + } + if node == nil || n.Latency() < node.Latency() { + node = n + } + } + if node != nil { + return node, nil + } + + // If all nodes are failing - return random node + return c.nodes.Random() +} + +func (c *clusterState) slotRandomNode(slot int) (*clusterNode, error) { + nodes := c.slotNodes(slot) + if len(nodes) == 0 { + return c.nodes.Random() + } + n := rand.Intn(len(nodes)) + return nodes[n], nil +} + +func (c *clusterState) slotNodes(slot int) []*clusterNode { + i := sort.Search(len(c.slots), func(i int) bool { + return c.slots[i].end >= slot + }) + if i >= len(c.slots) { + return nil + } + x := c.slots[i] + if slot >= x.start && slot <= x.end { + return x.nodes + } + return nil +} + +//------------------------------------------------------------------------------ + +type clusterStateHolder struct { + load func(ctx context.Context) (*clusterState, error) + + state atomic.Value + reloading uint32 // atomic +} + +func newClusterStateHolder(fn func(ctx context.Context) (*clusterState, error)) *clusterStateHolder { + return &clusterStateHolder{ + load: fn, + } +} + +func (c *clusterStateHolder) Reload(ctx context.Context) (*clusterState, error) { + state, err := c.load(ctx) + if err != nil { + return nil, err + } + c.state.Store(state) + return state, nil +} + +func (c *clusterStateHolder) LazyReload(ctx context.Context) { + if !atomic.CompareAndSwapUint32(&c.reloading, 0, 1) { + return + } + go func() { + defer atomic.StoreUint32(&c.reloading, 0) + + _, err := c.Reload(ctx) + if err != nil { + return + } + time.Sleep(200 * time.Millisecond) + }() +} + +func (c *clusterStateHolder) Get(ctx context.Context) (*clusterState, error) { + v := c.state.Load() + if v != nil { + state := v.(*clusterState) + if time.Since(state.createdAt) > 10*time.Second { + c.LazyReload(ctx) + } + return state, nil + } + return c.Reload(ctx) +} + +func (c *clusterStateHolder) ReloadOrGet(ctx context.Context) (*clusterState, error) { + state, err := c.Reload(ctx) + if err == nil { + return state, nil + } + return c.Get(ctx) +} + +//------------------------------------------------------------------------------ + +type clusterClient struct { + opt *ClusterOptions + nodes *clusterNodes + state *clusterStateHolder //nolint:structcheck + cmdsInfoCache *cmdsInfoCache //nolint:structcheck +} + +// ClusterClient is a Redis Cluster client representing a pool of zero +// or more underlying connections. It's safe for concurrent use by +// multiple goroutines. +type ClusterClient struct { + *clusterClient + cmdable + hooks + ctx context.Context +} + +// NewClusterClient returns a Redis Cluster client as described in +// http://redis.io/topics/cluster-spec. +func NewClusterClient(opt *ClusterOptions) *ClusterClient { + opt.init() + + c := &ClusterClient{ + clusterClient: &clusterClient{ + opt: opt, + nodes: newClusterNodes(opt), + }, + ctx: context.Background(), + } + c.state = newClusterStateHolder(c.loadState) + c.cmdsInfoCache = newCmdsInfoCache(c.cmdsInfo) + c.cmdable = c.Process + + if opt.IdleCheckFrequency > 0 { + go c.reaper(opt.IdleCheckFrequency) + } + + return c +} + +func (c *ClusterClient) Context() context.Context { + return c.ctx +} + +func (c *ClusterClient) WithContext(ctx context.Context) *ClusterClient { + if ctx == nil { + panic("nil context") + } + clone := *c + clone.cmdable = clone.Process + clone.hooks.lock() + clone.ctx = ctx + return &clone +} + +// Options returns read-only Options that were used to create the client. +func (c *ClusterClient) Options() *ClusterOptions { + return c.opt +} + +// ReloadState reloads cluster state. If available it calls ClusterSlots func +// to get cluster slots information. +func (c *ClusterClient) ReloadState(ctx context.Context) { + c.state.LazyReload(ctx) +} + +// Close closes the cluster client, releasing any open resources. +// +// It is rare to Close a ClusterClient, as the ClusterClient is meant +// to be long-lived and shared between many goroutines. +func (c *ClusterClient) Close() error { + return c.nodes.Close() +} + +// Do creates a Cmd from the args and processes the cmd. +func (c *ClusterClient) Do(ctx context.Context, args ...interface{}) *Cmd { + cmd := NewCmd(ctx, args...) + _ = c.Process(ctx, cmd) + return cmd +} + +func (c *ClusterClient) Process(ctx context.Context, cmd Cmder) error { + return c.hooks.process(ctx, cmd, c.process) +} + +func (c *ClusterClient) process(ctx context.Context, cmd Cmder) error { + cmdInfo := c.cmdInfo(cmd.Name()) + slot := c.cmdSlot(cmd) + + var node *clusterNode + var ask bool + var lastErr error + for attempt := 0; attempt <= c.opt.MaxRedirects; attempt++ { + if attempt > 0 { + if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil { + return err + } + } + + if node == nil { + var err error + node, err = c.cmdNode(ctx, cmdInfo, slot) + if err != nil { + return err + } + } + + if ask { + pipe := node.Client.Pipeline() + _ = pipe.Process(ctx, NewCmd(ctx, "asking")) + _ = pipe.Process(ctx, cmd) + _, lastErr = pipe.Exec(ctx) + _ = pipe.Close() + ask = false + } else { + lastErr = node.Client.Process(ctx, cmd) + } + + // If there is no error - we are done. + if lastErr == nil { + return nil + } + if isReadOnly := isReadOnlyError(lastErr); isReadOnly || lastErr == pool.ErrClosed { + if isReadOnly { + c.state.LazyReload(ctx) + } + node = nil + continue + } + + // If slave is loading - pick another node. + if c.opt.ReadOnly && isLoadingError(lastErr) { + node.MarkAsFailing() + node = nil + continue + } + + var moved bool + var addr string + moved, ask, addr = isMovedError(lastErr) + if moved || ask { + var err error + node, err = c.nodes.Get(addr) + if err != nil { + return err + } + continue + } + + if shouldRetry(lastErr, cmd.readTimeout() == nil) { + // First retry the same node. + if attempt == 0 { + continue + } + + // Second try another node. + node.MarkAsFailing() + node = nil + continue + } + + return lastErr + } + return lastErr +} + +// ForEachMaster concurrently calls the fn on each master node in the cluster. +// It returns the first error if any. +func (c *ClusterClient) ForEachMaster( + ctx context.Context, + fn func(ctx context.Context, client *Client) error, +) error { + state, err := c.state.ReloadOrGet(ctx) + if err != nil { + return err + } + + var wg sync.WaitGroup + errCh := make(chan error, 1) + + for _, master := range state.Masters { + wg.Add(1) + go func(node *clusterNode) { + defer wg.Done() + err := fn(ctx, node.Client) + if err != nil { + select { + case errCh <- err: + default: + } + } + }(master) + } + + wg.Wait() + + select { + case err := <-errCh: + return err + default: + return nil + } +} + +// ForEachSlave concurrently calls the fn on each slave node in the cluster. +// It returns the first error if any. +func (c *ClusterClient) ForEachSlave( + ctx context.Context, + fn func(ctx context.Context, client *Client) error, +) error { + state, err := c.state.ReloadOrGet(ctx) + if err != nil { + return err + } + + var wg sync.WaitGroup + errCh := make(chan error, 1) + + for _, slave := range state.Slaves { + wg.Add(1) + go func(node *clusterNode) { + defer wg.Done() + err := fn(ctx, node.Client) + if err != nil { + select { + case errCh <- err: + default: + } + } + }(slave) + } + + wg.Wait() + + select { + case err := <-errCh: + return err + default: + return nil + } +} + +// ForEachShard concurrently calls the fn on each known node in the cluster. +// It returns the first error if any. +func (c *ClusterClient) ForEachShard( + ctx context.Context, + fn func(ctx context.Context, client *Client) error, +) error { + state, err := c.state.ReloadOrGet(ctx) + if err != nil { + return err + } + + var wg sync.WaitGroup + errCh := make(chan error, 1) + + worker := func(node *clusterNode) { + defer wg.Done() + err := fn(ctx, node.Client) + if err != nil { + select { + case errCh <- err: + default: + } + } + } + + for _, node := range state.Masters { + wg.Add(1) + go worker(node) + } + for _, node := range state.Slaves { + wg.Add(1) + go worker(node) + } + + wg.Wait() + + select { + case err := <-errCh: + return err + default: + return nil + } +} + +// PoolStats returns accumulated connection pool stats. +func (c *ClusterClient) PoolStats() *PoolStats { + var acc PoolStats + + state, _ := c.state.Get(context.TODO()) + if state == nil { + return &acc + } + + for _, node := range state.Masters { + s := node.Client.connPool.Stats() + acc.Hits += s.Hits + acc.Misses += s.Misses + acc.Timeouts += s.Timeouts + + acc.TotalConns += s.TotalConns + acc.IdleConns += s.IdleConns + acc.StaleConns += s.StaleConns + } + + for _, node := range state.Slaves { + s := node.Client.connPool.Stats() + acc.Hits += s.Hits + acc.Misses += s.Misses + acc.Timeouts += s.Timeouts + + acc.TotalConns += s.TotalConns + acc.IdleConns += s.IdleConns + acc.StaleConns += s.StaleConns + } + + return &acc +} + +func (c *ClusterClient) loadState(ctx context.Context) (*clusterState, error) { + if c.opt.ClusterSlots != nil { + slots, err := c.opt.ClusterSlots(ctx) + if err != nil { + return nil, err + } + return newClusterState(c.nodes, slots, "") + } + + addrs, err := c.nodes.Addrs() + if err != nil { + return nil, err + } + + var firstErr error + + for _, idx := range rand.Perm(len(addrs)) { + addr := addrs[idx] + + node, err := c.nodes.Get(addr) + if err != nil { + if firstErr == nil { + firstErr = err + } + continue + } + + slots, err := node.Client.ClusterSlots(ctx).Result() + if err != nil { + if firstErr == nil { + firstErr = err + } + continue + } + + return newClusterState(c.nodes, slots, node.Client.opt.Addr) + } + + /* + * No node is connectable. It's possible that all nodes' IP has changed. + * Clear activeAddrs to let client be able to re-connect using the initial + * setting of the addresses (e.g. [redis-cluster-0:6379, redis-cluster-1:6379]), + * which might have chance to resolve domain name and get updated IP address. + */ + c.nodes.mu.Lock() + c.nodes.activeAddrs = nil + c.nodes.mu.Unlock() + + return nil, firstErr +} + +// reaper closes idle connections to the cluster. +func (c *ClusterClient) reaper(idleCheckFrequency time.Duration) { + ticker := time.NewTicker(idleCheckFrequency) + defer ticker.Stop() + + for range ticker.C { + nodes, err := c.nodes.All() + if err != nil { + break + } + + for _, node := range nodes { + _, err := node.Client.connPool.(*pool.ConnPool).ReapStaleConns() + if err != nil { + internal.Logger.Printf(c.Context(), "ReapStaleConns failed: %s", err) + } + } + } +} + +func (c *ClusterClient) Pipeline() Pipeliner { + pipe := Pipeline{ + ctx: c.ctx, + exec: c.processPipeline, + } + pipe.init() + return &pipe +} + +func (c *ClusterClient) Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) { + return c.Pipeline().Pipelined(ctx, fn) +} + +func (c *ClusterClient) processPipeline(ctx context.Context, cmds []Cmder) error { + return c.hooks.processPipeline(ctx, cmds, c._processPipeline) +} + +func (c *ClusterClient) _processPipeline(ctx context.Context, cmds []Cmder) error { + cmdsMap := newCmdsMap() + err := c.mapCmdsByNode(ctx, cmdsMap, cmds) + if err != nil { + setCmdsErr(cmds, err) + return err + } + + for attempt := 0; attempt <= c.opt.MaxRedirects; attempt++ { + if attempt > 0 { + if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil { + setCmdsErr(cmds, err) + return err + } + } + + failedCmds := newCmdsMap() + var wg sync.WaitGroup + + for node, cmds := range cmdsMap.m { + wg.Add(1) + go func(node *clusterNode, cmds []Cmder) { + defer wg.Done() + + err := c._processPipelineNode(ctx, node, cmds, failedCmds) + if err == nil { + return + } + if attempt < c.opt.MaxRedirects { + if err := c.mapCmdsByNode(ctx, failedCmds, cmds); err != nil { + setCmdsErr(cmds, err) + } + } else { + setCmdsErr(cmds, err) + } + }(node, cmds) + } + + wg.Wait() + if len(failedCmds.m) == 0 { + break + } + cmdsMap = failedCmds + } + + return cmdsFirstErr(cmds) +} + +func (c *ClusterClient) mapCmdsByNode(ctx context.Context, cmdsMap *cmdsMap, cmds []Cmder) error { + state, err := c.state.Get(ctx) + if err != nil { + return err + } + + if c.opt.ReadOnly && c.cmdsAreReadOnly(cmds) { + for _, cmd := range cmds { + slot := c.cmdSlot(cmd) + node, err := c.slotReadOnlyNode(state, slot) + if err != nil { + return err + } + cmdsMap.Add(node, cmd) + } + return nil + } + + for _, cmd := range cmds { + slot := c.cmdSlot(cmd) + node, err := state.slotMasterNode(slot) + if err != nil { + return err + } + cmdsMap.Add(node, cmd) + } + return nil +} + +func (c *ClusterClient) cmdsAreReadOnly(cmds []Cmder) bool { + for _, cmd := range cmds { + cmdInfo := c.cmdInfo(cmd.Name()) + if cmdInfo == nil || !cmdInfo.ReadOnly { + return false + } + } + return true +} + +func (c *ClusterClient) _processPipelineNode( + ctx context.Context, node *clusterNode, cmds []Cmder, failedCmds *cmdsMap, +) error { + return node.Client.hooks.processPipeline(ctx, cmds, func(ctx context.Context, cmds []Cmder) error { + return node.Client.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error { + err := cn.WithWriter(ctx, c.opt.WriteTimeout, func(wr *proto.Writer) error { + return writeCmds(wr, cmds) + }) + if err != nil { + return err + } + + return cn.WithReader(ctx, c.opt.ReadTimeout, func(rd *proto.Reader) error { + return c.pipelineReadCmds(ctx, node, rd, cmds, failedCmds) + }) + }) + }) +} + +func (c *ClusterClient) pipelineReadCmds( + ctx context.Context, + node *clusterNode, + rd *proto.Reader, + cmds []Cmder, + failedCmds *cmdsMap, +) error { + for _, cmd := range cmds { + err := cmd.readReply(rd) + cmd.SetErr(err) + + if err == nil { + continue + } + + if c.checkMovedErr(ctx, cmd, err, failedCmds) { + continue + } + + if c.opt.ReadOnly && isLoadingError(err) { + node.MarkAsFailing() + return err + } + if isRedisError(err) { + continue + } + return err + } + return nil +} + +func (c *ClusterClient) checkMovedErr( + ctx context.Context, cmd Cmder, err error, failedCmds *cmdsMap, +) bool { + moved, ask, addr := isMovedError(err) + if !moved && !ask { + return false + } + + node, err := c.nodes.Get(addr) + if err != nil { + return false + } + + if moved { + c.state.LazyReload(ctx) + failedCmds.Add(node, cmd) + return true + } + + if ask { + failedCmds.Add(node, NewCmd(ctx, "asking"), cmd) + return true + } + + panic("not reached") +} + +// TxPipeline acts like Pipeline, but wraps queued commands with MULTI/EXEC. +func (c *ClusterClient) TxPipeline() Pipeliner { + pipe := Pipeline{ + ctx: c.ctx, + exec: c.processTxPipeline, + } + pipe.init() + return &pipe +} + +func (c *ClusterClient) TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) { + return c.TxPipeline().Pipelined(ctx, fn) +} + +func (c *ClusterClient) processTxPipeline(ctx context.Context, cmds []Cmder) error { + return c.hooks.processPipeline(ctx, cmds, c._processTxPipeline) +} + +func (c *ClusterClient) _processTxPipeline(ctx context.Context, cmds []Cmder) error { + state, err := c.state.Get(ctx) + if err != nil { + setCmdsErr(cmds, err) + return err + } + + cmdsMap := c.mapCmdsBySlot(cmds) + for slot, cmds := range cmdsMap { + node, err := state.slotMasterNode(slot) + if err != nil { + setCmdsErr(cmds, err) + continue + } + + cmdsMap := map[*clusterNode][]Cmder{node: cmds} + for attempt := 0; attempt <= c.opt.MaxRedirects; attempt++ { + if attempt > 0 { + if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil { + setCmdsErr(cmds, err) + return err + } + } + + failedCmds := newCmdsMap() + var wg sync.WaitGroup + + for node, cmds := range cmdsMap { + wg.Add(1) + go func(node *clusterNode, cmds []Cmder) { + defer wg.Done() + + err := c._processTxPipelineNode(ctx, node, cmds, failedCmds) + if err == nil { + return + } + if attempt < c.opt.MaxRedirects { + if err := c.mapCmdsByNode(ctx, failedCmds, cmds); err != nil { + setCmdsErr(cmds, err) + } + } else { + setCmdsErr(cmds, err) + } + }(node, cmds) + } + + wg.Wait() + if len(failedCmds.m) == 0 { + break + } + cmdsMap = failedCmds.m + } + } + + return cmdsFirstErr(cmds) +} + +func (c *ClusterClient) mapCmdsBySlot(cmds []Cmder) map[int][]Cmder { + cmdsMap := make(map[int][]Cmder) + for _, cmd := range cmds { + slot := c.cmdSlot(cmd) + cmdsMap[slot] = append(cmdsMap[slot], cmd) + } + return cmdsMap +} + +func (c *ClusterClient) _processTxPipelineNode( + ctx context.Context, node *clusterNode, cmds []Cmder, failedCmds *cmdsMap, +) error { + return node.Client.hooks.processTxPipeline(ctx, cmds, func(ctx context.Context, cmds []Cmder) error { + return node.Client.withConn(ctx, func(ctx context.Context, cn *pool.Conn) error { + err := cn.WithWriter(ctx, c.opt.WriteTimeout, func(wr *proto.Writer) error { + return writeCmds(wr, cmds) + }) + if err != nil { + return err + } + + return cn.WithReader(ctx, c.opt.ReadTimeout, func(rd *proto.Reader) error { + statusCmd := cmds[0].(*StatusCmd) + // Trim multi and exec. + cmds = cmds[1 : len(cmds)-1] + + err := c.txPipelineReadQueued(ctx, rd, statusCmd, cmds, failedCmds) + if err != nil { + moved, ask, addr := isMovedError(err) + if moved || ask { + return c.cmdsMoved(ctx, cmds, moved, ask, addr, failedCmds) + } + return err + } + + return pipelineReadCmds(rd, cmds) + }) + }) + }) +} + +func (c *ClusterClient) txPipelineReadQueued( + ctx context.Context, + rd *proto.Reader, + statusCmd *StatusCmd, + cmds []Cmder, + failedCmds *cmdsMap, +) error { + // Parse queued replies. + if err := statusCmd.readReply(rd); err != nil { + return err + } + + for _, cmd := range cmds { + err := statusCmd.readReply(rd) + if err == nil || c.checkMovedErr(ctx, cmd, err, failedCmds) || isRedisError(err) { + continue + } + return err + } + + // Parse number of replies. + line, err := rd.ReadLine() + if err != nil { + if err == Nil { + err = TxFailedErr + } + return err + } + + switch line[0] { + case proto.ErrorReply: + return proto.ParseErrorReply(line) + case proto.ArrayReply: + // ok + default: + return fmt.Errorf("redis: expected '*', but got line %q", line) + } + + return nil +} + +func (c *ClusterClient) cmdsMoved( + ctx context.Context, cmds []Cmder, + moved, ask bool, + addr string, + failedCmds *cmdsMap, +) error { + node, err := c.nodes.Get(addr) + if err != nil { + return err + } + + if moved { + c.state.LazyReload(ctx) + for _, cmd := range cmds { + failedCmds.Add(node, cmd) + } + return nil + } + + if ask { + for _, cmd := range cmds { + failedCmds.Add(node, NewCmd(ctx, "asking"), cmd) + } + return nil + } + + return nil +} + +func (c *ClusterClient) Watch(ctx context.Context, fn func(*Tx) error, keys ...string) error { + if len(keys) == 0 { + return fmt.Errorf("redis: Watch requires at least one key") + } + + slot := hashtag.Slot(keys[0]) + for _, key := range keys[1:] { + if hashtag.Slot(key) != slot { + err := fmt.Errorf("redis: Watch requires all keys to be in the same slot") + return err + } + } + + node, err := c.slotMasterNode(ctx, slot) + if err != nil { + return err + } + + for attempt := 0; attempt <= c.opt.MaxRedirects; attempt++ { + if attempt > 0 { + if err := internal.Sleep(ctx, c.retryBackoff(attempt)); err != nil { + return err + } + } + + err = node.Client.Watch(ctx, fn, keys...) + if err == nil { + break + } + + moved, ask, addr := isMovedError(err) + if moved || ask { + node, err = c.nodes.Get(addr) + if err != nil { + return err + } + continue + } + + if isReadOnly := isReadOnlyError(err); isReadOnly || err == pool.ErrClosed { + if isReadOnly { + c.state.LazyReload(ctx) + } + node, err = c.slotMasterNode(ctx, slot) + if err != nil { + return err + } + continue + } + + if shouldRetry(err, true) { + continue + } + + return err + } + + return err +} + +func (c *ClusterClient) pubSub() *PubSub { + var node *clusterNode + pubsub := &PubSub{ + opt: c.opt.clientOptions(), + + newConn: func(ctx context.Context, channels []string) (*pool.Conn, error) { + if node != nil { + panic("node != nil") + } + + var err error + if len(channels) > 0 { + slot := hashtag.Slot(channels[0]) + node, err = c.slotMasterNode(ctx, slot) + } else { + node, err = c.nodes.Random() + } + if err != nil { + return nil, err + } + + cn, err := node.Client.newConn(context.TODO()) + if err != nil { + node = nil + + return nil, err + } + + return cn, nil + }, + closeConn: func(cn *pool.Conn) error { + err := node.Client.connPool.CloseConn(cn) + node = nil + return err + }, + } + pubsub.init() + + return pubsub +} + +// Subscribe subscribes the client to the specified channels. +// Channels can be omitted to create empty subscription. +func (c *ClusterClient) Subscribe(ctx context.Context, channels ...string) *PubSub { + pubsub := c.pubSub() + if len(channels) > 0 { + _ = pubsub.Subscribe(ctx, channels...) + } + return pubsub +} + +// PSubscribe subscribes the client to the given patterns. +// Patterns can be omitted to create empty subscription. +func (c *ClusterClient) PSubscribe(ctx context.Context, channels ...string) *PubSub { + pubsub := c.pubSub() + if len(channels) > 0 { + _ = pubsub.PSubscribe(ctx, channels...) + } + return pubsub +} + +func (c *ClusterClient) retryBackoff(attempt int) time.Duration { + return internal.RetryBackoff(attempt, c.opt.MinRetryBackoff, c.opt.MaxRetryBackoff) +} + +func (c *ClusterClient) cmdsInfo(ctx context.Context) (map[string]*CommandInfo, error) { + // Try 3 random nodes. + const nodeLimit = 3 + + addrs, err := c.nodes.Addrs() + if err != nil { + return nil, err + } + + var firstErr error + + perm := rand.Perm(len(addrs)) + if len(perm) > nodeLimit { + perm = perm[:nodeLimit] + } + + for _, idx := range perm { + addr := addrs[idx] + + node, err := c.nodes.Get(addr) + if err != nil { + if firstErr == nil { + firstErr = err + } + continue + } + + info, err := node.Client.Command(ctx).Result() + if err == nil { + return info, nil + } + if firstErr == nil { + firstErr = err + } + } + + if firstErr == nil { + panic("not reached") + } + return nil, firstErr +} + +func (c *ClusterClient) cmdInfo(name string) *CommandInfo { + cmdsInfo, err := c.cmdsInfoCache.Get(c.ctx) + if err != nil { + return nil + } + + info := cmdsInfo[name] + if info == nil { + internal.Logger.Printf(c.Context(), "info for cmd=%s not found", name) + } + return info +} + +func (c *ClusterClient) cmdSlot(cmd Cmder) int { + args := cmd.Args() + if args[0] == "cluster" && args[1] == "getkeysinslot" { + return args[2].(int) + } + + cmdInfo := c.cmdInfo(cmd.Name()) + return cmdSlot(cmd, cmdFirstKeyPos(cmd, cmdInfo)) +} + +func cmdSlot(cmd Cmder, pos int) int { + if pos == 0 { + return hashtag.RandomSlot() + } + firstKey := cmd.stringArg(pos) + return hashtag.Slot(firstKey) +} + +func (c *ClusterClient) cmdNode( + ctx context.Context, + cmdInfo *CommandInfo, + slot int, +) (*clusterNode, error) { + state, err := c.state.Get(ctx) + if err != nil { + return nil, err + } + + if (c.opt.RouteByLatency || c.opt.RouteRandomly) && cmdInfo != nil && cmdInfo.ReadOnly { + return c.slotReadOnlyNode(state, slot) + } + return state.slotMasterNode(slot) +} + +func (c *clusterClient) slotReadOnlyNode(state *clusterState, slot int) (*clusterNode, error) { + if c.opt.RouteByLatency { + return state.slotClosestNode(slot) + } + if c.opt.RouteRandomly { + return state.slotRandomNode(slot) + } + return state.slotSlaveNode(slot) +} + +func (c *ClusterClient) slotMasterNode(ctx context.Context, slot int) (*clusterNode, error) { + state, err := c.state.Get(ctx) + if err != nil { + return nil, err + } + return state.slotMasterNode(slot) +} + +func appendUniqueNode(nodes []*clusterNode, node *clusterNode) []*clusterNode { + for _, n := range nodes { + if n == node { + return nodes + } + } + return append(nodes, node) +} + +func appendIfNotExists(ss []string, es ...string) []string { +loop: + for _, e := range es { + for _, s := range ss { + if s == e { + continue loop + } + } + ss = append(ss, e) + } + return ss +} + +//------------------------------------------------------------------------------ + +type cmdsMap struct { + mu sync.Mutex + m map[*clusterNode][]Cmder +} + +func newCmdsMap() *cmdsMap { + return &cmdsMap{ + m: make(map[*clusterNode][]Cmder), + } +} + +func (m *cmdsMap) Add(node *clusterNode, cmds ...Cmder) { + m.mu.Lock() + m.m[node] = append(m.m[node], cmds...) + m.mu.Unlock() +} diff --git a/vendor/github.com/go-redis/redis/v8/cluster_commands.go b/vendor/github.com/go-redis/redis/v8/cluster_commands.go new file mode 100644 index 00000000000..1f0bae067ae --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/cluster_commands.go @@ -0,0 +1,25 @@ +package redis + +import ( + "context" + "sync/atomic" +) + +func (c *ClusterClient) DBSize(ctx context.Context) *IntCmd { + cmd := NewIntCmd(ctx, "dbsize") + var size int64 + err := c.ForEachMaster(ctx, func(ctx context.Context, master *Client) error { + n, err := master.DBSize(ctx).Result() + if err != nil { + return err + } + atomic.AddInt64(&size, n) + return nil + }) + if err != nil { + cmd.SetErr(err) + return cmd + } + cmd.val = size + return cmd +} diff --git a/vendor/github.com/go-redis/redis/v8/command.go b/vendor/github.com/go-redis/redis/v8/command.go new file mode 100644 index 00000000000..5dd55332503 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/command.go @@ -0,0 +1,2396 @@ +package redis + +import ( + "context" + "fmt" + "net" + "strconv" + "time" + + "github.com/go-redis/redis/v8/internal" + "github.com/go-redis/redis/v8/internal/proto" + "github.com/go-redis/redis/v8/internal/util" +) + +type Cmder interface { + Name() string + FullName() string + Args() []interface{} + String() string + stringArg(int) string + firstKeyPos() int8 + setFirstKeyPos(int8) + + readTimeout() *time.Duration + readReply(rd *proto.Reader) error + + SetErr(error) + Err() error +} + +func setCmdsErr(cmds []Cmder, e error) { + for _, cmd := range cmds { + if cmd.Err() == nil { + cmd.SetErr(e) + } + } +} + +func cmdsFirstErr(cmds []Cmder) error { + for _, cmd := range cmds { + if err := cmd.Err(); err != nil { + return err + } + } + return nil +} + +func writeCmds(wr *proto.Writer, cmds []Cmder) error { + for _, cmd := range cmds { + if err := writeCmd(wr, cmd); err != nil { + return err + } + } + return nil +} + +func writeCmd(wr *proto.Writer, cmd Cmder) error { + return wr.WriteArgs(cmd.Args()) +} + +func cmdFirstKeyPos(cmd Cmder, info *CommandInfo) int { + if pos := cmd.firstKeyPos(); pos != 0 { + return int(pos) + } + + switch cmd.Name() { + case "eval", "evalsha": + if cmd.stringArg(2) != "0" { + return 3 + } + + return 0 + case "publish": + return 1 + case "memory": + // https://github.com/redis/redis/issues/7493 + if cmd.stringArg(1) == "usage" { + return 2 + } + } + + if info != nil { + return int(info.FirstKeyPos) + } + return 0 +} + +func cmdString(cmd Cmder, val interface{}) string { + b := make([]byte, 0, 64) + + for i, arg := range cmd.Args() { + if i > 0 { + b = append(b, ' ') + } + b = internal.AppendArg(b, arg) + } + + if err := cmd.Err(); err != nil { + b = append(b, ": "...) + b = append(b, err.Error()...) + } else if val != nil { + b = append(b, ": "...) + b = internal.AppendArg(b, val) + } + + return internal.String(b) +} + +//------------------------------------------------------------------------------ + +type baseCmd struct { + ctx context.Context + args []interface{} + err error + keyPos int8 + + _readTimeout *time.Duration +} + +var _ Cmder = (*Cmd)(nil) + +func (cmd *baseCmd) Name() string { + if len(cmd.args) == 0 { + return "" + } + // Cmd name must be lower cased. + return internal.ToLower(cmd.stringArg(0)) +} + +func (cmd *baseCmd) FullName() string { + switch name := cmd.Name(); name { + case "cluster", "command": + if len(cmd.args) == 1 { + return name + } + if s2, ok := cmd.args[1].(string); ok { + return name + " " + s2 + } + return name + default: + return name + } +} + +func (cmd *baseCmd) Args() []interface{} { + return cmd.args +} + +func (cmd *baseCmd) stringArg(pos int) string { + if pos < 0 || pos >= len(cmd.args) { + return "" + } + s, _ := cmd.args[pos].(string) + return s +} + +func (cmd *baseCmd) firstKeyPos() int8 { + return cmd.keyPos +} + +func (cmd *baseCmd) setFirstKeyPos(keyPos int8) { + cmd.keyPos = keyPos +} + +func (cmd *baseCmd) SetErr(e error) { + cmd.err = e +} + +func (cmd *baseCmd) Err() error { + return cmd.err +} + +func (cmd *baseCmd) readTimeout() *time.Duration { + return cmd._readTimeout +} + +func (cmd *baseCmd) setReadTimeout(d time.Duration) { + cmd._readTimeout = &d +} + +//------------------------------------------------------------------------------ + +type Cmd struct { + baseCmd + + val interface{} +} + +func NewCmd(ctx context.Context, args ...interface{}) *Cmd { + return &Cmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *Cmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *Cmd) Val() interface{} { + return cmd.val +} + +func (cmd *Cmd) Result() (interface{}, error) { + return cmd.val, cmd.err +} + +func (cmd *Cmd) Text() (string, error) { + if cmd.err != nil { + return "", cmd.err + } + switch val := cmd.val.(type) { + case string: + return val, nil + default: + err := fmt.Errorf("redis: unexpected type=%T for String", val) + return "", err + } +} + +func (cmd *Cmd) Int() (int, error) { + if cmd.err != nil { + return 0, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return int(val), nil + case string: + return strconv.Atoi(val) + default: + err := fmt.Errorf("redis: unexpected type=%T for Int", val) + return 0, err + } +} + +func (cmd *Cmd) Int64() (int64, error) { + if cmd.err != nil { + return 0, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return val, nil + case string: + return strconv.ParseInt(val, 10, 64) + default: + err := fmt.Errorf("redis: unexpected type=%T for Int64", val) + return 0, err + } +} + +func (cmd *Cmd) Uint64() (uint64, error) { + if cmd.err != nil { + return 0, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return uint64(val), nil + case string: + return strconv.ParseUint(val, 10, 64) + default: + err := fmt.Errorf("redis: unexpected type=%T for Uint64", val) + return 0, err + } +} + +func (cmd *Cmd) Float32() (float32, error) { + if cmd.err != nil { + return 0, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return float32(val), nil + case string: + f, err := strconv.ParseFloat(val, 32) + if err != nil { + return 0, err + } + return float32(f), nil + default: + err := fmt.Errorf("redis: unexpected type=%T for Float32", val) + return 0, err + } +} + +func (cmd *Cmd) Float64() (float64, error) { + if cmd.err != nil { + return 0, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return float64(val), nil + case string: + return strconv.ParseFloat(val, 64) + default: + err := fmt.Errorf("redis: unexpected type=%T for Float64", val) + return 0, err + } +} + +func (cmd *Cmd) Bool() (bool, error) { + if cmd.err != nil { + return false, cmd.err + } + switch val := cmd.val.(type) { + case int64: + return val != 0, nil + case string: + return strconv.ParseBool(val) + default: + err := fmt.Errorf("redis: unexpected type=%T for Bool", val) + return false, err + } +} + +func (cmd *Cmd) readReply(rd *proto.Reader) (err error) { + cmd.val, err = rd.ReadReply(sliceParser) + return err +} + +// sliceParser implements proto.MultiBulkParse. +func sliceParser(rd *proto.Reader, n int64) (interface{}, error) { + vals := make([]interface{}, n) + for i := 0; i < len(vals); i++ { + v, err := rd.ReadReply(sliceParser) + if err != nil { + if err == Nil { + vals[i] = nil + continue + } + if err, ok := err.(proto.RedisError); ok { + vals[i] = err + continue + } + return nil, err + } + vals[i] = v + } + return vals, nil +} + +//------------------------------------------------------------------------------ + +type SliceCmd struct { + baseCmd + + val []interface{} +} + +var _ Cmder = (*SliceCmd)(nil) + +func NewSliceCmd(ctx context.Context, args ...interface{}) *SliceCmd { + return &SliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *SliceCmd) Val() []interface{} { + return cmd.val +} + +func (cmd *SliceCmd) Result() ([]interface{}, error) { + return cmd.val, cmd.err +} + +func (cmd *SliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *SliceCmd) readReply(rd *proto.Reader) error { + v, err := rd.ReadArrayReply(sliceParser) + if err != nil { + return err + } + cmd.val = v.([]interface{}) + return nil +} + +//------------------------------------------------------------------------------ + +type StatusCmd struct { + baseCmd + + val string +} + +var _ Cmder = (*StatusCmd)(nil) + +func NewStatusCmd(ctx context.Context, args ...interface{}) *StatusCmd { + return &StatusCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StatusCmd) Val() string { + return cmd.val +} + +func (cmd *StatusCmd) Result() (string, error) { + return cmd.val, cmd.err +} + +func (cmd *StatusCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StatusCmd) readReply(rd *proto.Reader) (err error) { + cmd.val, err = rd.ReadString() + return err +} + +//------------------------------------------------------------------------------ + +type IntCmd struct { + baseCmd + + val int64 +} + +var _ Cmder = (*IntCmd)(nil) + +func NewIntCmd(ctx context.Context, args ...interface{}) *IntCmd { + return &IntCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *IntCmd) Val() int64 { + return cmd.val +} + +func (cmd *IntCmd) Result() (int64, error) { + return cmd.val, cmd.err +} + +func (cmd *IntCmd) Uint64() (uint64, error) { + return uint64(cmd.val), cmd.err +} + +func (cmd *IntCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *IntCmd) readReply(rd *proto.Reader) (err error) { + cmd.val, err = rd.ReadIntReply() + return err +} + +//------------------------------------------------------------------------------ + +type IntSliceCmd struct { + baseCmd + + val []int64 +} + +var _ Cmder = (*IntSliceCmd)(nil) + +func NewIntSliceCmd(ctx context.Context, args ...interface{}) *IntSliceCmd { + return &IntSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *IntSliceCmd) Val() []int64 { + return cmd.val +} + +func (cmd *IntSliceCmd) Result() ([]int64, error) { + return cmd.val, cmd.err +} + +func (cmd *IntSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *IntSliceCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]int64, n) + for i := 0; i < len(cmd.val); i++ { + num, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.val[i] = num + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type DurationCmd struct { + baseCmd + + val time.Duration + precision time.Duration +} + +var _ Cmder = (*DurationCmd)(nil) + +func NewDurationCmd(ctx context.Context, precision time.Duration, args ...interface{}) *DurationCmd { + return &DurationCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + precision: precision, + } +} + +func (cmd *DurationCmd) Val() time.Duration { + return cmd.val +} + +func (cmd *DurationCmd) Result() (time.Duration, error) { + return cmd.val, cmd.err +} + +func (cmd *DurationCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *DurationCmd) readReply(rd *proto.Reader) error { + n, err := rd.ReadIntReply() + if err != nil { + return err + } + switch n { + // -2 if the key does not exist + // -1 if the key exists but has no associated expire + case -2, -1: + cmd.val = time.Duration(n) + default: + cmd.val = time.Duration(n) * cmd.precision + } + return nil +} + +//------------------------------------------------------------------------------ + +type TimeCmd struct { + baseCmd + + val time.Time +} + +var _ Cmder = (*TimeCmd)(nil) + +func NewTimeCmd(ctx context.Context, args ...interface{}) *TimeCmd { + return &TimeCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *TimeCmd) Val() time.Time { + return cmd.val +} + +func (cmd *TimeCmd) Result() (time.Time, error) { + return cmd.val, cmd.err +} + +func (cmd *TimeCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *TimeCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 2 { + return nil, fmt.Errorf("got %d elements, expected 2", n) + } + + sec, err := rd.ReadInt() + if err != nil { + return nil, err + } + + microsec, err := rd.ReadInt() + if err != nil { + return nil, err + } + + cmd.val = time.Unix(sec, microsec*1000) + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type BoolCmd struct { + baseCmd + + val bool +} + +var _ Cmder = (*BoolCmd)(nil) + +func NewBoolCmd(ctx context.Context, args ...interface{}) *BoolCmd { + return &BoolCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *BoolCmd) Val() bool { + return cmd.val +} + +func (cmd *BoolCmd) Result() (bool, error) { + return cmd.val, cmd.err +} + +func (cmd *BoolCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *BoolCmd) readReply(rd *proto.Reader) error { + v, err := rd.ReadReply(nil) + // `SET key value NX` returns nil when key already exists. But + // `SETNX key value` returns bool (0/1). So convert nil to bool. + if err == Nil { + cmd.val = false + return nil + } + if err != nil { + return err + } + switch v := v.(type) { + case int64: + cmd.val = v == 1 + return nil + case string: + cmd.val = v == "OK" + return nil + default: + return fmt.Errorf("got %T, wanted int64 or string", v) + } +} + +//------------------------------------------------------------------------------ + +type StringCmd struct { + baseCmd + + val string +} + +var _ Cmder = (*StringCmd)(nil) + +func NewStringCmd(ctx context.Context, args ...interface{}) *StringCmd { + return &StringCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StringCmd) Val() string { + return cmd.val +} + +func (cmd *StringCmd) Result() (string, error) { + return cmd.Val(), cmd.err +} + +func (cmd *StringCmd) Bytes() ([]byte, error) { + return util.StringToBytes(cmd.val), cmd.err +} + +func (cmd *StringCmd) Int() (int, error) { + if cmd.err != nil { + return 0, cmd.err + } + return strconv.Atoi(cmd.Val()) +} + +func (cmd *StringCmd) Int64() (int64, error) { + if cmd.err != nil { + return 0, cmd.err + } + return strconv.ParseInt(cmd.Val(), 10, 64) +} + +func (cmd *StringCmd) Uint64() (uint64, error) { + if cmd.err != nil { + return 0, cmd.err + } + return strconv.ParseUint(cmd.Val(), 10, 64) +} + +func (cmd *StringCmd) Float32() (float32, error) { + if cmd.err != nil { + return 0, cmd.err + } + f, err := strconv.ParseFloat(cmd.Val(), 32) + if err != nil { + return 0, err + } + return float32(f), nil +} + +func (cmd *StringCmd) Float64() (float64, error) { + if cmd.err != nil { + return 0, cmd.err + } + return strconv.ParseFloat(cmd.Val(), 64) +} + +func (cmd *StringCmd) Time() (time.Time, error) { + if cmd.err != nil { + return time.Time{}, cmd.err + } + return time.Parse(time.RFC3339Nano, cmd.Val()) +} + +func (cmd *StringCmd) Scan(val interface{}) error { + if cmd.err != nil { + return cmd.err + } + return proto.Scan([]byte(cmd.val), val) +} + +func (cmd *StringCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StringCmd) readReply(rd *proto.Reader) (err error) { + cmd.val, err = rd.ReadString() + return err +} + +//------------------------------------------------------------------------------ + +type FloatCmd struct { + baseCmd + + val float64 +} + +var _ Cmder = (*FloatCmd)(nil) + +func NewFloatCmd(ctx context.Context, args ...interface{}) *FloatCmd { + return &FloatCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *FloatCmd) Val() float64 { + return cmd.val +} + +func (cmd *FloatCmd) Result() (float64, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *FloatCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *FloatCmd) readReply(rd *proto.Reader) (err error) { + cmd.val, err = rd.ReadFloatReply() + return err +} + +//------------------------------------------------------------------------------ + +type StringSliceCmd struct { + baseCmd + + val []string +} + +var _ Cmder = (*StringSliceCmd)(nil) + +func NewStringSliceCmd(ctx context.Context, args ...interface{}) *StringSliceCmd { + return &StringSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StringSliceCmd) Val() []string { + return cmd.val +} + +func (cmd *StringSliceCmd) Result() ([]string, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *StringSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StringSliceCmd) ScanSlice(container interface{}) error { + return proto.ScanSlice(cmd.Val(), container) +} + +func (cmd *StringSliceCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]string, n) + for i := 0; i < len(cmd.val); i++ { + switch s, err := rd.ReadString(); { + case err == Nil: + cmd.val[i] = "" + case err != nil: + return nil, err + default: + cmd.val[i] = s + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type BoolSliceCmd struct { + baseCmd + + val []bool +} + +var _ Cmder = (*BoolSliceCmd)(nil) + +func NewBoolSliceCmd(ctx context.Context, args ...interface{}) *BoolSliceCmd { + return &BoolSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *BoolSliceCmd) Val() []bool { + return cmd.val +} + +func (cmd *BoolSliceCmd) Result() ([]bool, error) { + return cmd.val, cmd.err +} + +func (cmd *BoolSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *BoolSliceCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]bool, n) + for i := 0; i < len(cmd.val); i++ { + n, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.val[i] = n == 1 + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type StringStringMapCmd struct { + baseCmd + + val map[string]string +} + +var _ Cmder = (*StringStringMapCmd)(nil) + +func NewStringStringMapCmd(ctx context.Context, args ...interface{}) *StringStringMapCmd { + return &StringStringMapCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StringStringMapCmd) Val() map[string]string { + return cmd.val +} + +func (cmd *StringStringMapCmd) Result() (map[string]string, error) { + return cmd.val, cmd.err +} + +func (cmd *StringStringMapCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StringStringMapCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make(map[string]string, n/2) + for i := int64(0); i < n; i += 2 { + key, err := rd.ReadString() + if err != nil { + return nil, err + } + + value, err := rd.ReadString() + if err != nil { + return nil, err + } + + cmd.val[key] = value + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type StringIntMapCmd struct { + baseCmd + + val map[string]int64 +} + +var _ Cmder = (*StringIntMapCmd)(nil) + +func NewStringIntMapCmd(ctx context.Context, args ...interface{}) *StringIntMapCmd { + return &StringIntMapCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StringIntMapCmd) Val() map[string]int64 { + return cmd.val +} + +func (cmd *StringIntMapCmd) Result() (map[string]int64, error) { + return cmd.val, cmd.err +} + +func (cmd *StringIntMapCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StringIntMapCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make(map[string]int64, n/2) + for i := int64(0); i < n; i += 2 { + key, err := rd.ReadString() + if err != nil { + return nil, err + } + + n, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + cmd.val[key] = n + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type StringStructMapCmd struct { + baseCmd + + val map[string]struct{} +} + +var _ Cmder = (*StringStructMapCmd)(nil) + +func NewStringStructMapCmd(ctx context.Context, args ...interface{}) *StringStructMapCmd { + return &StringStructMapCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *StringStructMapCmd) Val() map[string]struct{} { + return cmd.val +} + +func (cmd *StringStructMapCmd) Result() (map[string]struct{}, error) { + return cmd.val, cmd.err +} + +func (cmd *StringStructMapCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *StringStructMapCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make(map[string]struct{}, n) + for i := int64(0); i < n; i++ { + key, err := rd.ReadString() + if err != nil { + return nil, err + } + cmd.val[key] = struct{}{} + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type XMessage struct { + ID string + Values map[string]interface{} +} + +type XMessageSliceCmd struct { + baseCmd + + val []XMessage +} + +var _ Cmder = (*XMessageSliceCmd)(nil) + +func NewXMessageSliceCmd(ctx context.Context, args ...interface{}) *XMessageSliceCmd { + return &XMessageSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *XMessageSliceCmd) Val() []XMessage { + return cmd.val +} + +func (cmd *XMessageSliceCmd) Result() ([]XMessage, error) { + return cmd.val, cmd.err +} + +func (cmd *XMessageSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XMessageSliceCmd) readReply(rd *proto.Reader) error { + var err error + cmd.val, err = readXMessageSlice(rd) + return err +} + +func readXMessageSlice(rd *proto.Reader) ([]XMessage, error) { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + + msgs := make([]XMessage, n) + for i := 0; i < n; i++ { + var err error + msgs[i], err = readXMessage(rd) + if err != nil { + return nil, err + } + } + return msgs, nil +} + +func readXMessage(rd *proto.Reader) (XMessage, error) { + n, err := rd.ReadArrayLen() + if err != nil { + return XMessage{}, err + } + if n != 2 { + return XMessage{}, fmt.Errorf("got %d, wanted 2", n) + } + + id, err := rd.ReadString() + if err != nil { + return XMessage{}, err + } + + var values map[string]interface{} + + v, err := rd.ReadArrayReply(stringInterfaceMapParser) + if err != nil { + if err != proto.Nil { + return XMessage{}, err + } + } else { + values = v.(map[string]interface{}) + } + + return XMessage{ + ID: id, + Values: values, + }, nil +} + +// stringInterfaceMapParser implements proto.MultiBulkParse. +func stringInterfaceMapParser(rd *proto.Reader, n int64) (interface{}, error) { + m := make(map[string]interface{}, n/2) + for i := int64(0); i < n; i += 2 { + key, err := rd.ReadString() + if err != nil { + return nil, err + } + + value, err := rd.ReadString() + if err != nil { + return nil, err + } + + m[key] = value + } + return m, nil +} + +//------------------------------------------------------------------------------ + +type XStream struct { + Stream string + Messages []XMessage +} + +type XStreamSliceCmd struct { + baseCmd + + val []XStream +} + +var _ Cmder = (*XStreamSliceCmd)(nil) + +func NewXStreamSliceCmd(ctx context.Context, args ...interface{}) *XStreamSliceCmd { + return &XStreamSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *XStreamSliceCmd) Val() []XStream { + return cmd.val +} + +func (cmd *XStreamSliceCmd) Result() ([]XStream, error) { + return cmd.val, cmd.err +} + +func (cmd *XStreamSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XStreamSliceCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]XStream, n) + for i := 0; i < len(cmd.val); i++ { + i := i + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 2 { + return nil, fmt.Errorf("got %d, wanted 2", n) + } + + stream, err := rd.ReadString() + if err != nil { + return nil, err + } + + msgs, err := readXMessageSlice(rd) + if err != nil { + return nil, err + } + + cmd.val[i] = XStream{ + Stream: stream, + Messages: msgs, + } + return nil, nil + }) + if err != nil { + return nil, err + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type XPending struct { + Count int64 + Lower string + Higher string + Consumers map[string]int64 +} + +type XPendingCmd struct { + baseCmd + val *XPending +} + +var _ Cmder = (*XPendingCmd)(nil) + +func NewXPendingCmd(ctx context.Context, args ...interface{}) *XPendingCmd { + return &XPendingCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *XPendingCmd) Val() *XPending { + return cmd.val +} + +func (cmd *XPendingCmd) Result() (*XPending, error) { + return cmd.val, cmd.err +} + +func (cmd *XPendingCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XPendingCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 4 { + return nil, fmt.Errorf("got %d, wanted 4", n) + } + + count, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + lower, err := rd.ReadString() + if err != nil && err != Nil { + return nil, err + } + + higher, err := rd.ReadString() + if err != nil && err != Nil { + return nil, err + } + + cmd.val = &XPending{ + Count: count, + Lower: lower, + Higher: higher, + } + _, err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + for i := int64(0); i < n; i++ { + _, err = rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 2 { + return nil, fmt.Errorf("got %d, wanted 2", n) + } + + consumerName, err := rd.ReadString() + if err != nil { + return nil, err + } + + consumerPending, err := rd.ReadInt() + if err != nil { + return nil, err + } + + if cmd.val.Consumers == nil { + cmd.val.Consumers = make(map[string]int64) + } + cmd.val.Consumers[consumerName] = consumerPending + + return nil, nil + }) + if err != nil { + return nil, err + } + } + return nil, nil + }) + if err != nil && err != Nil { + return nil, err + } + + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type XPendingExt struct { + ID string + Consumer string + Idle time.Duration + RetryCount int64 +} + +type XPendingExtCmd struct { + baseCmd + val []XPendingExt +} + +var _ Cmder = (*XPendingExtCmd)(nil) + +func NewXPendingExtCmd(ctx context.Context, args ...interface{}) *XPendingExtCmd { + return &XPendingExtCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *XPendingExtCmd) Val() []XPendingExt { + return cmd.val +} + +func (cmd *XPendingExtCmd) Result() ([]XPendingExt, error) { + return cmd.val, cmd.err +} + +func (cmd *XPendingExtCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XPendingExtCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]XPendingExt, 0, n) + for i := int64(0); i < n; i++ { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 4 { + return nil, fmt.Errorf("got %d, wanted 4", n) + } + + id, err := rd.ReadString() + if err != nil { + return nil, err + } + + consumer, err := rd.ReadString() + if err != nil && err != Nil { + return nil, err + } + + idle, err := rd.ReadIntReply() + if err != nil && err != Nil { + return nil, err + } + + retryCount, err := rd.ReadIntReply() + if err != nil && err != Nil { + return nil, err + } + + cmd.val = append(cmd.val, XPendingExt{ + ID: id, + Consumer: consumer, + Idle: time.Duration(idle) * time.Millisecond, + RetryCount: retryCount, + }) + return nil, nil + }) + if err != nil { + return nil, err + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type XInfoGroupsCmd struct { + baseCmd + val []XInfoGroup +} + +type XInfoGroup struct { + Name string + Consumers int64 + Pending int64 + LastDeliveredID string +} + +var _ Cmder = (*XInfoGroupsCmd)(nil) + +func NewXInfoGroupsCmd(ctx context.Context, stream string) *XInfoGroupsCmd { + return &XInfoGroupsCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: []interface{}{"xinfo", "groups", stream}, + }, + } +} + +func (cmd *XInfoGroupsCmd) Val() []XInfoGroup { + return cmd.val +} + +func (cmd *XInfoGroupsCmd) Result() ([]XInfoGroup, error) { + return cmd.val, cmd.err +} + +func (cmd *XInfoGroupsCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XInfoGroupsCmd) readReply(rd *proto.Reader) error { + n, err := rd.ReadArrayLen() + if err != nil { + return err + } + + cmd.val = make([]XInfoGroup, n) + + for i := 0; i < n; i++ { + cmd.val[i], err = readXGroupInfo(rd) + if err != nil { + return err + } + } + + return nil +} + +func readXGroupInfo(rd *proto.Reader) (XInfoGroup, error) { + var group XInfoGroup + + n, err := rd.ReadArrayLen() + if err != nil { + return group, err + } + if n != 8 { + return group, fmt.Errorf("redis: got %d elements in XINFO GROUPS reply, wanted 8", n) + } + + for i := 0; i < 4; i++ { + key, err := rd.ReadString() + if err != nil { + return group, err + } + + val, err := rd.ReadString() + if err != nil { + return group, err + } + + switch key { + case "name": + group.Name = val + case "consumers": + group.Consumers, err = strconv.ParseInt(val, 0, 64) + if err != nil { + return group, err + } + case "pending": + group.Pending, err = strconv.ParseInt(val, 0, 64) + if err != nil { + return group, err + } + case "last-delivered-id": + group.LastDeliveredID = val + default: + return group, fmt.Errorf("redis: unexpected content %s in XINFO GROUPS reply", key) + } + } + + return group, nil +} + +//------------------------------------------------------------------------------ + +type XInfoStreamCmd struct { + baseCmd + val *XInfoStream +} + +type XInfoStream struct { + Length int64 + RadixTreeKeys int64 + RadixTreeNodes int64 + Groups int64 + LastGeneratedID string + FirstEntry XMessage + LastEntry XMessage +} + +var _ Cmder = (*XInfoStreamCmd)(nil) + +func NewXInfoStreamCmd(ctx context.Context, stream string) *XInfoStreamCmd { + return &XInfoStreamCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: []interface{}{"xinfo", "stream", stream}, + }, + } +} + +func (cmd *XInfoStreamCmd) Val() *XInfoStream { + return cmd.val +} + +func (cmd *XInfoStreamCmd) Result() (*XInfoStream, error) { + return cmd.val, cmd.err +} + +func (cmd *XInfoStreamCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *XInfoStreamCmd) readReply(rd *proto.Reader) error { + v, err := rd.ReadReply(xStreamInfoParser) + if err != nil { + return err + } + cmd.val = v.(*XInfoStream) + return nil +} + +func xStreamInfoParser(rd *proto.Reader, n int64) (interface{}, error) { + if n != 14 { + return nil, fmt.Errorf("redis: got %d elements in XINFO STREAM reply,"+ + "wanted 14", n) + } + var info XInfoStream + for i := 0; i < 7; i++ { + key, err := rd.ReadString() + if err != nil { + return nil, err + } + switch key { + case "length": + info.Length, err = rd.ReadIntReply() + case "radix-tree-keys": + info.RadixTreeKeys, err = rd.ReadIntReply() + case "radix-tree-nodes": + info.RadixTreeNodes, err = rd.ReadIntReply() + case "groups": + info.Groups, err = rd.ReadIntReply() + case "last-generated-id": + info.LastGeneratedID, err = rd.ReadString() + case "first-entry": + info.FirstEntry, err = readXMessage(rd) + case "last-entry": + info.LastEntry, err = readXMessage(rd) + default: + return nil, fmt.Errorf("redis: unexpected content %s "+ + "in XINFO STREAM reply", key) + } + if err != nil { + return nil, err + } + } + return &info, nil +} + +//------------------------------------------------------------------------------ + +type ZSliceCmd struct { + baseCmd + + val []Z +} + +var _ Cmder = (*ZSliceCmd)(nil) + +func NewZSliceCmd(ctx context.Context, args ...interface{}) *ZSliceCmd { + return &ZSliceCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *ZSliceCmd) Val() []Z { + return cmd.val +} + +func (cmd *ZSliceCmd) Result() ([]Z, error) { + return cmd.val, cmd.err +} + +func (cmd *ZSliceCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *ZSliceCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]Z, n/2) + for i := 0; i < len(cmd.val); i++ { + member, err := rd.ReadString() + if err != nil { + return nil, err + } + + score, err := rd.ReadFloatReply() + if err != nil { + return nil, err + } + + cmd.val[i] = Z{ + Member: member, + Score: score, + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type ZWithKeyCmd struct { + baseCmd + + val *ZWithKey +} + +var _ Cmder = (*ZWithKeyCmd)(nil) + +func NewZWithKeyCmd(ctx context.Context, args ...interface{}) *ZWithKeyCmd { + return &ZWithKeyCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *ZWithKeyCmd) Val() *ZWithKey { + return cmd.val +} + +func (cmd *ZWithKeyCmd) Result() (*ZWithKey, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *ZWithKeyCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *ZWithKeyCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + if n != 3 { + return nil, fmt.Errorf("got %d elements, expected 3", n) + } + + cmd.val = &ZWithKey{} + var err error + + cmd.val.Key, err = rd.ReadString() + if err != nil { + return nil, err + } + + cmd.val.Member, err = rd.ReadString() + if err != nil { + return nil, err + } + + cmd.val.Score, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type ScanCmd struct { + baseCmd + + page []string + cursor uint64 + + process cmdable +} + +var _ Cmder = (*ScanCmd)(nil) + +func NewScanCmd(ctx context.Context, process cmdable, args ...interface{}) *ScanCmd { + return &ScanCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + process: process, + } +} + +func (cmd *ScanCmd) Val() (keys []string, cursor uint64) { + return cmd.page, cmd.cursor +} + +func (cmd *ScanCmd) Result() (keys []string, cursor uint64, err error) { + return cmd.page, cmd.cursor, cmd.err +} + +func (cmd *ScanCmd) String() string { + return cmdString(cmd, cmd.page) +} + +func (cmd *ScanCmd) readReply(rd *proto.Reader) (err error) { + cmd.page, cmd.cursor, err = rd.ReadScanReply() + return err +} + +// Iterator creates a new ScanIterator. +func (cmd *ScanCmd) Iterator() *ScanIterator { + return &ScanIterator{ + cmd: cmd, + } +} + +//------------------------------------------------------------------------------ + +type ClusterNode struct { + ID string + Addr string +} + +type ClusterSlot struct { + Start int + End int + Nodes []ClusterNode +} + +type ClusterSlotsCmd struct { + baseCmd + + val []ClusterSlot +} + +var _ Cmder = (*ClusterSlotsCmd)(nil) + +func NewClusterSlotsCmd(ctx context.Context, args ...interface{}) *ClusterSlotsCmd { + return &ClusterSlotsCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *ClusterSlotsCmd) Val() []ClusterSlot { + return cmd.val +} + +func (cmd *ClusterSlotsCmd) Result() ([]ClusterSlot, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *ClusterSlotsCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *ClusterSlotsCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]ClusterSlot, n) + for i := 0; i < len(cmd.val); i++ { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n < 2 { + err := fmt.Errorf("redis: got %d elements in cluster info, expected at least 2", n) + return nil, err + } + + start, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + end, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + nodes := make([]ClusterNode, n-2) + for j := 0; j < len(nodes); j++ { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n != 2 && n != 3 { + err := fmt.Errorf("got %d elements in cluster info address, expected 2 or 3", n) + return nil, err + } + + ip, err := rd.ReadString() + if err != nil { + return nil, err + } + + port, err := rd.ReadString() + if err != nil { + return nil, err + } + + nodes[j].Addr = net.JoinHostPort(ip, port) + + if n == 3 { + id, err := rd.ReadString() + if err != nil { + return nil, err + } + nodes[j].ID = id + } + } + + cmd.val[i] = ClusterSlot{ + Start: int(start), + End: int(end), + Nodes: nodes, + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +// GeoLocation is used with GeoAdd to add geospatial location. +type GeoLocation struct { + Name string + Longitude, Latitude, Dist float64 + GeoHash int64 +} + +// GeoRadiusQuery is used with GeoRadius to query geospatial index. +type GeoRadiusQuery struct { + Radius float64 + // Can be m, km, ft, or mi. Default is km. + Unit string + WithCoord bool + WithDist bool + WithGeoHash bool + Count int + // Can be ASC or DESC. Default is no sort order. + Sort string + Store string + StoreDist string +} + +type GeoLocationCmd struct { + baseCmd + + q *GeoRadiusQuery + locations []GeoLocation +} + +var _ Cmder = (*GeoLocationCmd)(nil) + +func NewGeoLocationCmd(ctx context.Context, q *GeoRadiusQuery, args ...interface{}) *GeoLocationCmd { + return &GeoLocationCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: geoLocationArgs(q, args...), + }, + q: q, + } +} + +func geoLocationArgs(q *GeoRadiusQuery, args ...interface{}) []interface{} { + args = append(args, q.Radius) + if q.Unit != "" { + args = append(args, q.Unit) + } else { + args = append(args, "km") + } + if q.WithCoord { + args = append(args, "withcoord") + } + if q.WithDist { + args = append(args, "withdist") + } + if q.WithGeoHash { + args = append(args, "withhash") + } + if q.Count > 0 { + args = append(args, "count", q.Count) + } + if q.Sort != "" { + args = append(args, q.Sort) + } + if q.Store != "" { + args = append(args, "store") + args = append(args, q.Store) + } + if q.StoreDist != "" { + args = append(args, "storedist") + args = append(args, q.StoreDist) + } + return args +} + +func (cmd *GeoLocationCmd) Val() []GeoLocation { + return cmd.locations +} + +func (cmd *GeoLocationCmd) Result() ([]GeoLocation, error) { + return cmd.locations, cmd.err +} + +func (cmd *GeoLocationCmd) String() string { + return cmdString(cmd, cmd.locations) +} + +func (cmd *GeoLocationCmd) readReply(rd *proto.Reader) error { + v, err := rd.ReadArrayReply(newGeoLocationSliceParser(cmd.q)) + if err != nil { + return err + } + cmd.locations = v.([]GeoLocation) + return nil +} + +func newGeoLocationSliceParser(q *GeoRadiusQuery) proto.MultiBulkParse { + return func(rd *proto.Reader, n int64) (interface{}, error) { + locs := make([]GeoLocation, 0, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(newGeoLocationParser(q)) + if err != nil { + return nil, err + } + switch vv := v.(type) { + case string: + locs = append(locs, GeoLocation{ + Name: vv, + }) + case *GeoLocation: + // TODO: avoid copying + locs = append(locs, *vv) + default: + return nil, fmt.Errorf("got %T, expected string or *GeoLocation", v) + } + } + return locs, nil + } +} + +func newGeoLocationParser(q *GeoRadiusQuery) proto.MultiBulkParse { + return func(rd *proto.Reader, n int64) (interface{}, error) { + var loc GeoLocation + var err error + + loc.Name, err = rd.ReadString() + if err != nil { + return nil, err + } + if q.WithDist { + loc.Dist, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + } + if q.WithGeoHash { + loc.GeoHash, err = rd.ReadIntReply() + if err != nil { + return nil, err + } + } + if q.WithCoord { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n != 2 { + return nil, fmt.Errorf("got %d coordinates, expected 2", n) + } + + loc.Longitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + loc.Latitude, err = rd.ReadFloatReply() + if err != nil { + return nil, err + } + } + + return &loc, nil + } +} + +//------------------------------------------------------------------------------ + +type GeoPos struct { + Longitude, Latitude float64 +} + +type GeoPosCmd struct { + baseCmd + + val []*GeoPos +} + +var _ Cmder = (*GeoPosCmd)(nil) + +func NewGeoPosCmd(ctx context.Context, args ...interface{}) *GeoPosCmd { + return &GeoPosCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *GeoPosCmd) Val() []*GeoPos { + return cmd.val +} + +func (cmd *GeoPosCmd) Result() ([]*GeoPos, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *GeoPosCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *GeoPosCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]*GeoPos, n) + for i := 0; i < len(cmd.val); i++ { + i := i + _, err := rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) { + longitude, err := rd.ReadFloatReply() + if err != nil { + return nil, err + } + + latitude, err := rd.ReadFloatReply() + if err != nil { + return nil, err + } + + cmd.val[i] = &GeoPos{ + Longitude: longitude, + Latitude: latitude, + } + return nil, nil + }) + if err != nil { + if err == Nil { + cmd.val[i] = nil + continue + } + return nil, err + } + } + return nil, nil + }) + return err +} + +//------------------------------------------------------------------------------ + +type CommandInfo struct { + Name string + Arity int8 + Flags []string + ACLFlags []string + FirstKeyPos int8 + LastKeyPos int8 + StepCount int8 + ReadOnly bool +} + +type CommandsInfoCmd struct { + baseCmd + + val map[string]*CommandInfo +} + +var _ Cmder = (*CommandsInfoCmd)(nil) + +func NewCommandsInfoCmd(ctx context.Context, args ...interface{}) *CommandsInfoCmd { + return &CommandsInfoCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *CommandsInfoCmd) Val() map[string]*CommandInfo { + return cmd.val +} + +func (cmd *CommandsInfoCmd) Result() (map[string]*CommandInfo, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *CommandsInfoCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *CommandsInfoCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make(map[string]*CommandInfo, n) + for i := int64(0); i < n; i++ { + v, err := rd.ReadReply(commandInfoParser) + if err != nil { + return nil, err + } + vv := v.(*CommandInfo) + cmd.val[vv.Name] = vv + } + return nil, nil + }) + return err +} + +func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) { + const numArgRedis5 = 6 + const numArgRedis6 = 7 + + switch n { + case numArgRedis5, numArgRedis6: + // continue + default: + return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 7", n) + } + + var cmd CommandInfo + var err error + + cmd.Name, err = rd.ReadString() + if err != nil { + return nil, err + } + + arity, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.Arity = int8(arity) + + _, err = rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.Flags = make([]string, n) + for i := 0; i < len(cmd.Flags); i++ { + switch s, err := rd.ReadString(); { + case err == Nil: + cmd.Flags[i] = "" + case err != nil: + return nil, err + default: + cmd.Flags[i] = s + } + } + return nil, nil + }) + if err != nil { + return nil, err + } + + firstKeyPos, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.FirstKeyPos = int8(firstKeyPos) + + lastKeyPos, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.LastKeyPos = int8(lastKeyPos) + + stepCount, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + cmd.StepCount = int8(stepCount) + + for _, flag := range cmd.Flags { + if flag == "readonly" { + cmd.ReadOnly = true + break + } + } + + if n == numArgRedis5 { + return &cmd, nil + } + + _, err = rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.ACLFlags = make([]string, n) + for i := 0; i < len(cmd.ACLFlags); i++ { + switch s, err := rd.ReadString(); { + case err == Nil: + cmd.ACLFlags[i] = "" + case err != nil: + return nil, err + default: + cmd.ACLFlags[i] = s + } + } + return nil, nil + }) + if err != nil { + return nil, err + } + + return &cmd, nil +} + +//------------------------------------------------------------------------------ + +type cmdsInfoCache struct { + fn func(ctx context.Context) (map[string]*CommandInfo, error) + + once internal.Once + cmds map[string]*CommandInfo +} + +func newCmdsInfoCache(fn func(ctx context.Context) (map[string]*CommandInfo, error)) *cmdsInfoCache { + return &cmdsInfoCache{ + fn: fn, + } +} + +func (c *cmdsInfoCache) Get(ctx context.Context) (map[string]*CommandInfo, error) { + err := c.once.Do(func() error { + cmds, err := c.fn(ctx) + if err != nil { + return err + } + + // Extensions have cmd names in upper case. Convert them to lower case. + for k, v := range cmds { + lower := internal.ToLower(k) + if lower != k { + cmds[lower] = v + } + } + + c.cmds = cmds + return nil + }) + return c.cmds, err +} + +//------------------------------------------------------------------------------ + +type SlowLog struct { + ID int64 + Time time.Time + Duration time.Duration + Args []string + // These are also optional fields emitted only by Redis 4.0 or greater: + // https://redis.io/commands/slowlog#output-format + ClientAddr string + ClientName string +} + +type SlowLogCmd struct { + baseCmd + + val []SlowLog +} + +var _ Cmder = (*SlowLogCmd)(nil) + +func NewSlowLogCmd(ctx context.Context, args ...interface{}) *SlowLogCmd { + return &SlowLogCmd{ + baseCmd: baseCmd{ + ctx: ctx, + args: args, + }, + } +} + +func (cmd *SlowLogCmd) Val() []SlowLog { + return cmd.val +} + +func (cmd *SlowLogCmd) Result() ([]SlowLog, error) { + return cmd.Val(), cmd.Err() +} + +func (cmd *SlowLogCmd) String() string { + return cmdString(cmd, cmd.val) +} + +func (cmd *SlowLogCmd) readReply(rd *proto.Reader) error { + _, err := rd.ReadArrayReply(func(rd *proto.Reader, n int64) (interface{}, error) { + cmd.val = make([]SlowLog, n) + for i := 0; i < len(cmd.val); i++ { + n, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if n < 4 { + err := fmt.Errorf("redis: got %d elements in slowlog get, expected at least 4", n) + return nil, err + } + + id, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + + createdAt, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + createdAtTime := time.Unix(createdAt, 0) + + costs, err := rd.ReadIntReply() + if err != nil { + return nil, err + } + costsDuration := time.Duration(costs) * time.Microsecond + + cmdLen, err := rd.ReadArrayLen() + if err != nil { + return nil, err + } + if cmdLen < 1 { + err := fmt.Errorf("redis: got %d elements commands reply in slowlog get, expected at least 1", cmdLen) + return nil, err + } + + cmdString := make([]string, cmdLen) + for i := 0; i < cmdLen; i++ { + cmdString[i], err = rd.ReadString() + if err != nil { + return nil, err + } + } + + var address, name string + for i := 4; i < n; i++ { + str, err := rd.ReadString() + if err != nil { + return nil, err + } + if i == 4 { + address = str + } else if i == 5 { + name = str + } + } + + cmd.val[i] = SlowLog{ + ID: id, + Time: createdAtTime, + Duration: costsDuration, + Args: cmdString, + ClientAddr: address, + ClientName: name, + } + } + return nil, nil + }) + return err +} diff --git a/vendor/github.com/go-redis/redis/v8/commands.go b/vendor/github.com/go-redis/redis/v8/commands.go new file mode 100644 index 00000000000..79698babf28 --- /dev/null +++ b/vendor/github.com/go-redis/redis/v8/commands.go @@ -0,0 +1,2773 @@ +package redis + +import ( + "context" + "errors" + "io" + "time" + + "github.com/go-redis/redis/v8/internal" +) + +// KeepTTL is an option for Set command to keep key's existing TTL. +// For example: +// +// rdb.Set(ctx, key, value, redis.KeepTTL) +const KeepTTL = -1 + +func usePrecise(dur time.Duration) bool { + return dur < time.Second || dur%time.Second != 0 +} + +func formatMs(ctx context.Context, dur time.Duration) int64 { + if dur > 0 && dur < time.Millisecond { + internal.Logger.Printf( + ctx, + "specified duration is %s, but minimal supported value is %s - truncating to 1ms", + dur, time.Millisecond, + ) + return 1 + } + return int64(dur / time.Millisecond) +} + +func formatSec(ctx context.Context, dur time.Duration) int64 { + if dur > 0 && dur < time.Second { + internal.Logger.Printf( + ctx, + "specified duration is %s, but minimal supported value is %s - truncating to 1s", + dur, time.Second, + ) + return 1 + } + return int64(dur / time.Second) +} + +func appendArgs(dst, src []interface{}) []interface{} { + if len(src) == 1 { + return appendArg(dst, src[0]) + } + + dst = append(dst, src...) + return dst +} + +func appendArg(dst []interface{}, arg interface{}) []interface{} { + switch arg := arg.(type) { + case []string: + for _, s := range arg { + dst = append(dst, s) + } + return dst + case []interface{}: + dst = append(dst, arg...) + return dst + case map[string]interface{}: + for k, v := range arg { + dst = append(dst, k, v) + } + return dst + default: + return append(dst, arg) + } +} + +type Cmdable interface { + Pipeline() Pipeliner + Pipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) + + TxPipelined(ctx context.Context, fn func(Pipeliner) error) ([]Cmder, error) + TxPipeline() Pipeliner + + Command(ctx context.Context) *CommandsInfoCmd + ClientGetName(ctx context.Context) *StringCmd + Echo(ctx context.Context, message interface{}) *StringCmd + Ping(ctx context.Context) *StatusCmd + Quit(ctx context.Context) *StatusCmd + Del(ctx context.Context, keys ...string) *IntCmd + Unlink(ctx context.Context, keys ...string) *IntCmd + Dump(ctx context.Context, key string) *StringCmd + Exists(ctx context.Context, keys ...string) *IntCmd + Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd + ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd + Keys(ctx context.Context, pattern string) *StringSliceCmd + Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd + Move(ctx context.Context, key string, db int) *BoolCmd + ObjectRefCount(ctx context.Context, key string) *IntCmd + ObjectEncoding(ctx context.Context, key string) *StringCmd + ObjectIdleTime(ctx context.Context, key string) *DurationCmd + Persist(ctx context.Context, key string) *BoolCmd + PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd + PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd + PTTL(ctx context.Context, key string) *DurationCmd + RandomKey(ctx context.Context) *StringCmd + Rename(ctx context.Context, key, newkey string) *StatusCmd + RenameNX(ctx context.Context, key, newkey string) *BoolCmd + Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd + RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd + Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd + SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd + SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd + Touch(ctx context.Context, keys ...string) *IntCmd + TTL(ctx context.Context, key string) *DurationCmd + Type(ctx context.Context, key string) *StatusCmd + Append(ctx context.Context, key, value string) *IntCmd + Decr(ctx context.Context, key string) *IntCmd + DecrBy(ctx context.Context, key string, decrement int64) *IntCmd + Get(ctx context.Context, key string) *StringCmd + GetRange(ctx context.Context, key string, start, end int64) *StringCmd + GetSet(ctx context.Context, key string, value interface{}) *StringCmd + Incr(ctx context.Context, key string) *IntCmd + IncrBy(ctx context.Context, key string, value int64) *IntCmd + IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd + MGet(ctx context.Context, keys ...string) *SliceCmd + MSet(ctx context.Context, values ...interface{}) *StatusCmd + MSetNX(ctx context.Context, values ...interface{}) *BoolCmd + Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd + SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd + SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd + SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd + SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd + StrLen(ctx context.Context, key string) *IntCmd + + GetBit(ctx context.Context, key string, offset int64) *IntCmd + SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd + BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd + BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd + BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd + BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd + BitOpNot(ctx context.Context, destKey string, key string) *IntCmd + BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd + BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd + + Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd + SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd + HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd + ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd + + HDel(ctx context.Context, key string, fields ...string) *IntCmd + HExists(ctx context.Context, key, field string) *BoolCmd + HGet(ctx context.Context, key, field string) *StringCmd + HGetAll(ctx context.Context, key string) *StringStringMapCmd + HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd + HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd + HKeys(ctx context.Context, key string) *StringSliceCmd + HLen(ctx context.Context, key string) *IntCmd + HMGet(ctx context.Context, key string, fields ...string) *SliceCmd + HSet(ctx context.Context, key string, values ...interface{}) *IntCmd + HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd + HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd + HVals(ctx context.Context, key string) *StringSliceCmd + + BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd + BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd + BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd + LIndex(ctx context.Context, key string, index int64) *StringCmd + LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd + LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd + LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd + LLen(ctx context.Context, key string) *IntCmd + LPop(ctx context.Context, key string) *StringCmd + LPos(ctx context.Context, key string, value string, args LPosArgs) *IntCmd + LPosCount(ctx context.Context, key string, value string, count int64, args LPosArgs) *IntSliceCmd + LPush(ctx context.Context, key string, values ...interface{}) *IntCmd + LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd + LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd + LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd + LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd + LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd + RPop(ctx context.Context, key string) *StringCmd + RPopLPush(ctx context.Context, source, destination string) *StringCmd + RPush(ctx context.Context, key string, values ...interface{}) *IntCmd + RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd + + SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd + SCard(ctx context.Context, key string) *IntCmd + SDiff(ctx context.Context, keys ...string) *StringSliceCmd + SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd + SInter(ctx context.Context, keys ...string) *StringSliceCmd + SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd + SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd + SMembers(ctx context.Context, key string) *StringSliceCmd + SMembersMap(ctx context.Context, key string) *StringStructMapCmd + SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd + SPop(ctx context.Context, key string) *StringCmd + SPopN(ctx context.Context, key string, count int64) *StringSliceCmd + SRandMember(ctx context.Context, key string) *StringCmd + SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd + SRem(ctx context.Context, key string, members ...interface{}) *IntCmd + SUnion(ctx context.Context, keys ...string) *StringSliceCmd + SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd + + XAdd(ctx context.Context, a *XAddArgs) *StringCmd + XDel(ctx context.Context, stream string, ids ...string) *IntCmd + XLen(ctx context.Context, stream string) *IntCmd + XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd + XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd + XRevRange(ctx context.Context, stream string, start, stop string) *XMessageSliceCmd + XRevRangeN(ctx context.Context, stream string, start, stop string, count int64) *XMessageSliceCmd + XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd + XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd + XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd + XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd + XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd + XGroupDestroy(ctx context.Context, stream, group string) *IntCmd + XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd + XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd + XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd + XPending(ctx context.Context, stream, group string) *XPendingCmd + XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd + XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd + XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd + XTrim(ctx context.Context, key string, maxLen int64) *IntCmd + XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd + XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd + XInfoStream(ctx context.Context, key string) *XInfoStreamCmd + + BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd + BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd + ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd + ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd + ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd + ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd + ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd + ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd + ZIncr(ctx context.Context, key string, member *Z) *FloatCmd + ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd + ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd + ZCard(ctx context.Context, key string) *IntCmd + ZCount(ctx context.Context, key, min, max string) *IntCmd + ZLexCount(ctx context.Context, key, min, max string) *IntCmd + ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd + ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd + ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd + ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd + ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd + ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd + ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd + ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd + ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd + ZRank(ctx context.Context, key, member string) *IntCmd + ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd + ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd + ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd + ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd + ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd + ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd + ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd + ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd + ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd + ZRevRank(ctx context.Context, key, member string) *IntCmd + ZScore(ctx context.Context, key, member string) *FloatCmd + ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd + + PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd + PFCount(ctx context.Context, keys ...string) *IntCmd + PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd + + BgRewriteAOF(ctx context.Context) *StatusCmd + BgSave(ctx context.Context) *StatusCmd + ClientKill(ctx context.Context, ipPort string) *StatusCmd + ClientKillByFilter(ctx context.Context, keys ...string) *IntCmd + ClientList(ctx context.Context) *StringCmd + ClientPause(ctx context.Context, dur time.Duration) *BoolCmd + ClientID(ctx context.Context) *IntCmd + ConfigGet(ctx context.Context, parameter string) *SliceCmd + ConfigResetStat(ctx context.Context) *StatusCmd + ConfigSet(ctx context.Context, parameter, value string) *StatusCmd + ConfigRewrite(ctx context.Context) *StatusCmd + DBSize(ctx context.Context) *IntCmd + FlushAll(ctx context.Context) *StatusCmd + FlushAllAsync(ctx context.Context) *StatusCmd + FlushDB(ctx context.Context) *StatusCmd + FlushDBAsync(ctx context.Context) *StatusCmd + Info(ctx context.Context, section ...string) *StringCmd + LastSave(ctx context.Context) *IntCmd + Save(ctx context.Context) *StatusCmd + Shutdown(ctx context.Context) *StatusCmd + ShutdownSave(ctx context.Context) *StatusCmd + ShutdownNoSave(ctx context.Context) *StatusCmd + SlaveOf(ctx context.Context, host, port string) *StatusCmd + Time(ctx context.Context) *TimeCmd + DebugObject(ctx context.Context, key string) *StringCmd + ReadOnly(ctx context.Context) *StatusCmd + ReadWrite(ctx context.Context) *StatusCmd + MemoryUsage(ctx context.Context, key string, samples ...int) *IntCmd + + Eval(ctx context.Context, script string, keys []string, args ...interface{}) *Cmd + EvalSha(ctx context.Context, sha1 string, keys []string, args ...interface{}) *Cmd + ScriptExists(ctx context.Context, hashes ...string) *BoolSliceCmd + ScriptFlush(ctx context.Context) *StatusCmd + ScriptKill(ctx context.Context) *StatusCmd + ScriptLoad(ctx context.Context, script string) *StringCmd + + Publish(ctx context.Context, channel string, message interface{}) *IntCmd + PubSubChannels(ctx context.Context, pattern string) *StringSliceCmd + PubSubNumSub(ctx context.Context, channels ...string) *StringIntMapCmd + PubSubNumPat(ctx context.Context) *IntCmd + + ClusterSlots(ctx context.Context) *ClusterSlotsCmd + ClusterNodes(ctx context.Context) *StringCmd + ClusterMeet(ctx context.Context, host, port string) *StatusCmd + ClusterForget(ctx context.Context, nodeID string) *StatusCmd + ClusterReplicate(ctx context.Context, nodeID string) *StatusCmd + ClusterResetSoft(ctx context.Context) *StatusCmd + ClusterResetHard(ctx context.Context) *StatusCmd + ClusterInfo(ctx context.Context) *StringCmd + ClusterKeySlot(ctx context.Context, key string) *IntCmd + ClusterGetKeysInSlot(ctx context.Context, slot int, count int) *StringSliceCmd + ClusterCountFailureReports(ctx context.Context, nodeID string) *IntCmd + ClusterCountKeysInSlot(ctx context.Context, slot int) *IntCmd + ClusterDelSlots(ctx context.Context, slots ...int) *StatusCmd + ClusterDelSlotsRange(ctx context.Context, min, max int) *StatusCmd + ClusterSaveConfig(ctx context.Context) *StatusCmd + ClusterSlaves(ctx context.Context, nodeID string) *StringSliceCmd + ClusterFailover(ctx context.Context) *StatusCmd + ClusterAddSlots(ctx context.Context, slots ...int) *StatusCmd + ClusterAddSlotsRange(ctx context.Context, min, max int) *StatusCmd + + GeoAdd(ctx context.Context, key string, geoLocation ...*GeoLocation) *IntCmd + GeoPos(ctx context.Context, key string, members ...string) *GeoPosCmd + GeoRadius(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd + GeoRadiusStore(ctx context.Context, key string, longitude, latitude float64, query *GeoRadiusQuery) *IntCmd + GeoRadiusByMember(ctx context.Context, key, member string, query *GeoRadiusQuery) *GeoLocationCmd + GeoRadiusByMemberStore(ctx context.Context, key, member string, query *GeoRadiusQuery) *IntCmd + GeoDist(ctx context.Context, key string, member1, member2, unit string) *FloatCmd + GeoHash(ctx context.Context, key string, members ...string) *StringSliceCmd +} + +type StatefulCmdable interface { + Cmdable + Auth(ctx context.Context, password string) *StatusCmd + AuthACL(ctx context.Context, username, password string) *StatusCmd + Select(ctx context.Context, index int) *StatusCmd + SwapDB(ctx context.Context, index1, index2 int) *StatusCmd + ClientSetName(ctx context.Context, name string) *BoolCmd +} + +var ( + _ Cmdable = (*Client)(nil) + _ Cmdable = (*Tx)(nil) + _ Cmdable = (*Ring)(nil) + _ Cmdable = (*ClusterClient)(nil) +) + +type cmdable func(ctx context.Context, cmd Cmder) error + +type statefulCmdable func(ctx context.Context, cmd Cmder) error + +//------------------------------------------------------------------------------ + +func (c statefulCmdable) Auth(ctx context.Context, password string) *StatusCmd { + cmd := NewStatusCmd(ctx, "auth", password) + _ = c(ctx, cmd) + return cmd +} + +// Perform an AUTH command, using the given user and pass. +// Should be used to authenticate the current connection with one of the connections defined in the ACL list +// when connecting to a Redis 6.0 instance, or greater, that is using the Redis ACL system. +func (c statefulCmdable) AuthACL(ctx context.Context, username, password string) *StatusCmd { + cmd := NewStatusCmd(ctx, "auth", username, password) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Wait(ctx context.Context, numSlaves int, timeout time.Duration) *IntCmd { + cmd := NewIntCmd(ctx, "wait", numSlaves, int(timeout/time.Millisecond)) + _ = c(ctx, cmd) + return cmd +} + +func (c statefulCmdable) Select(ctx context.Context, index int) *StatusCmd { + cmd := NewStatusCmd(ctx, "select", index) + _ = c(ctx, cmd) + return cmd +} + +func (c statefulCmdable) SwapDB(ctx context.Context, index1, index2 int) *StatusCmd { + cmd := NewStatusCmd(ctx, "swapdb", index1, index2) + _ = c(ctx, cmd) + return cmd +} + +// ClientSetName assigns a name to the connection. +func (c statefulCmdable) ClientSetName(ctx context.Context, name string) *BoolCmd { + cmd := NewBoolCmd(ctx, "client", "setname", name) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) Command(ctx context.Context) *CommandsInfoCmd { + cmd := NewCommandsInfoCmd(ctx, "command") + _ = c(ctx, cmd) + return cmd +} + +// ClientGetName returns the name of the connection. +func (c cmdable) ClientGetName(ctx context.Context) *StringCmd { + cmd := NewStringCmd(ctx, "client", "getname") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Echo(ctx context.Context, message interface{}) *StringCmd { + cmd := NewStringCmd(ctx, "echo", message) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Ping(ctx context.Context) *StatusCmd { + cmd := NewStatusCmd(ctx, "ping") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Quit(ctx context.Context) *StatusCmd { + panic("not implemented") +} + +func (c cmdable) Del(ctx context.Context, keys ...string) *IntCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "del" + for i, key := range keys { + args[1+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Unlink(ctx context.Context, keys ...string) *IntCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "unlink" + for i, key := range keys { + args[1+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Dump(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "dump", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Exists(ctx context.Context, keys ...string) *IntCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "exists" + for i, key := range keys { + args[1+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Expire(ctx context.Context, key string, expiration time.Duration) *BoolCmd { + cmd := NewBoolCmd(ctx, "expire", key, formatSec(ctx, expiration)) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd { + cmd := NewBoolCmd(ctx, "expireat", key, tm.Unix()) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Keys(ctx context.Context, pattern string) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "keys", pattern) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Migrate(ctx context.Context, host, port, key string, db int, timeout time.Duration) *StatusCmd { + cmd := NewStatusCmd( + ctx, + "migrate", + host, + port, + key, + db, + formatMs(ctx, timeout), + ) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Move(ctx context.Context, key string, db int) *BoolCmd { + cmd := NewBoolCmd(ctx, "move", key, db) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ObjectRefCount(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "object", "refcount", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ObjectEncoding(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "object", "encoding", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ObjectIdleTime(ctx context.Context, key string) *DurationCmd { + cmd := NewDurationCmd(ctx, time.Second, "object", "idletime", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Persist(ctx context.Context, key string) *BoolCmd { + cmd := NewBoolCmd(ctx, "persist", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) PExpire(ctx context.Context, key string, expiration time.Duration) *BoolCmd { + cmd := NewBoolCmd(ctx, "pexpire", key, formatMs(ctx, expiration)) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) PExpireAt(ctx context.Context, key string, tm time.Time) *BoolCmd { + cmd := NewBoolCmd( + ctx, + "pexpireat", + key, + tm.UnixNano()/int64(time.Millisecond), + ) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) PTTL(ctx context.Context, key string) *DurationCmd { + cmd := NewDurationCmd(ctx, time.Millisecond, "pttl", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RandomKey(ctx context.Context) *StringCmd { + cmd := NewStringCmd(ctx, "randomkey") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Rename(ctx context.Context, key, newkey string) *StatusCmd { + cmd := NewStatusCmd(ctx, "rename", key, newkey) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RenameNX(ctx context.Context, key, newkey string) *BoolCmd { + cmd := NewBoolCmd(ctx, "renamenx", key, newkey) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Restore(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd { + cmd := NewStatusCmd( + ctx, + "restore", + key, + formatMs(ctx, ttl), + value, + ) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RestoreReplace(ctx context.Context, key string, ttl time.Duration, value string) *StatusCmd { + cmd := NewStatusCmd( + ctx, + "restore", + key, + formatMs(ctx, ttl), + value, + "replace", + ) + _ = c(ctx, cmd) + return cmd +} + +type Sort struct { + By string + Offset, Count int64 + Get []string + Order string + Alpha bool +} + +func (sort *Sort) args(key string) []interface{} { + args := []interface{}{"sort", key} + if sort.By != "" { + args = append(args, "by", sort.By) + } + if sort.Offset != 0 || sort.Count != 0 { + args = append(args, "limit", sort.Offset, sort.Count) + } + for _, get := range sort.Get { + args = append(args, "get", get) + } + if sort.Order != "" { + args = append(args, sort.Order) + } + if sort.Alpha { + args = append(args, "alpha") + } + return args +} + +func (c cmdable) Sort(ctx context.Context, key string, sort *Sort) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, sort.args(key)...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SortStore(ctx context.Context, key, store string, sort *Sort) *IntCmd { + args := sort.args(key) + if store != "" { + args = append(args, "store", store) + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SortInterfaces(ctx context.Context, key string, sort *Sort) *SliceCmd { + cmd := NewSliceCmd(ctx, sort.args(key)...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Touch(ctx context.Context, keys ...string) *IntCmd { + args := make([]interface{}, len(keys)+1) + args[0] = "touch" + for i, key := range keys { + args[i+1] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) TTL(ctx context.Context, key string) *DurationCmd { + cmd := NewDurationCmd(ctx, time.Second, "ttl", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Type(ctx context.Context, key string) *StatusCmd { + cmd := NewStatusCmd(ctx, "type", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Append(ctx context.Context, key, value string) *IntCmd { + cmd := NewIntCmd(ctx, "append", key, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Decr(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "decr", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) DecrBy(ctx context.Context, key string, decrement int64) *IntCmd { + cmd := NewIntCmd(ctx, "decrby", key, decrement) + _ = c(ctx, cmd) + return cmd +} + +// Redis `GET key` command. It returns redis.Nil error when key does not exist. +func (c cmdable) Get(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "get", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) GetRange(ctx context.Context, key string, start, end int64) *StringCmd { + cmd := NewStringCmd(ctx, "getrange", key, start, end) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) GetSet(ctx context.Context, key string, value interface{}) *StringCmd { + cmd := NewStringCmd(ctx, "getset", key, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) Incr(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "incr", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) IncrBy(ctx context.Context, key string, value int64) *IntCmd { + cmd := NewIntCmd(ctx, "incrby", key, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) IncrByFloat(ctx context.Context, key string, value float64) *FloatCmd { + cmd := NewFloatCmd(ctx, "incrbyfloat", key, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) MGet(ctx context.Context, keys ...string) *SliceCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "mget" + for i, key := range keys { + args[1+i] = key + } + cmd := NewSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// MSet is like Set but accepts multiple values: +// - MSet("key1", "value1", "key2", "value2") +// - MSet([]string{"key1", "value1", "key2", "value2"}) +// - MSet(map[string]interface{}{"key1": "value1", "key2": "value2"}) +func (c cmdable) MSet(ctx context.Context, values ...interface{}) *StatusCmd { + args := make([]interface{}, 1, 1+len(values)) + args[0] = "mset" + args = appendArgs(args, values) + cmd := NewStatusCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// MSetNX is like SetNX but accepts multiple values: +// - MSetNX("key1", "value1", "key2", "value2") +// - MSetNX([]string{"key1", "value1", "key2", "value2"}) +// - MSetNX(map[string]interface{}{"key1": "value1", "key2": "value2"}) +func (c cmdable) MSetNX(ctx context.Context, values ...interface{}) *BoolCmd { + args := make([]interface{}, 1, 1+len(values)) + args[0] = "msetnx" + args = appendArgs(args, values) + cmd := NewBoolCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SET key value [expiration]` command. +// Use expiration for `SETEX`-like behavior. +// +// Zero expiration means the key has no expiration time. +// KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. +func (c cmdable) Set(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd { + args := make([]interface{}, 3, 5) + args[0] = "set" + args[1] = key + args[2] = value + if expiration > 0 { + if usePrecise(expiration) { + args = append(args, "px", formatMs(ctx, expiration)) + } else { + args = append(args, "ex", formatSec(ctx, expiration)) + } + } else if expiration == KeepTTL { + args = append(args, "keepttl") + } + + cmd := NewStatusCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SETEX key expiration value` command. +func (c cmdable) SetEX(ctx context.Context, key string, value interface{}, expiration time.Duration) *StatusCmd { + cmd := NewStatusCmd(ctx, "setex", key, formatSec(ctx, expiration), value) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SET key value [expiration] NX` command. +// +// Zero expiration means the key has no expiration time. +// KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. +func (c cmdable) SetNX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd { + var cmd *BoolCmd + switch expiration { + case 0: + // Use old `SETNX` to support old Redis versions. + cmd = NewBoolCmd(ctx, "setnx", key, value) + case KeepTTL: + cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "nx") + default: + if usePrecise(expiration) { + cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "nx") + } else { + cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "nx") + } + } + + _ = c(ctx, cmd) + return cmd +} + +// Redis `SET key value [expiration] XX` command. +// +// Zero expiration means the key has no expiration time. +// KeepTTL(-1) expiration is a Redis KEEPTTL option to keep existing TTL. +func (c cmdable) SetXX(ctx context.Context, key string, value interface{}, expiration time.Duration) *BoolCmd { + var cmd *BoolCmd + switch expiration { + case 0: + cmd = NewBoolCmd(ctx, "set", key, value, "xx") + case KeepTTL: + cmd = NewBoolCmd(ctx, "set", key, value, "keepttl", "xx") + default: + if usePrecise(expiration) { + cmd = NewBoolCmd(ctx, "set", key, value, "px", formatMs(ctx, expiration), "xx") + } else { + cmd = NewBoolCmd(ctx, "set", key, value, "ex", formatSec(ctx, expiration), "xx") + } + } + + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SetRange(ctx context.Context, key string, offset int64, value string) *IntCmd { + cmd := NewIntCmd(ctx, "setrange", key, offset, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) StrLen(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "strlen", key) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) GetBit(ctx context.Context, key string, offset int64) *IntCmd { + cmd := NewIntCmd(ctx, "getbit", key, offset) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SetBit(ctx context.Context, key string, offset int64, value int) *IntCmd { + cmd := NewIntCmd( + ctx, + "setbit", + key, + offset, + value, + ) + _ = c(ctx, cmd) + return cmd +} + +type BitCount struct { + Start, End int64 +} + +func (c cmdable) BitCount(ctx context.Context, key string, bitCount *BitCount) *IntCmd { + args := []interface{}{"bitcount", key} + if bitCount != nil { + args = append( + args, + bitCount.Start, + bitCount.End, + ) + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) bitOp(ctx context.Context, op, destKey string, keys ...string) *IntCmd { + args := make([]interface{}, 3+len(keys)) + args[0] = "bitop" + args[1] = op + args[2] = destKey + for i, key := range keys { + args[3+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) BitOpAnd(ctx context.Context, destKey string, keys ...string) *IntCmd { + return c.bitOp(ctx, "and", destKey, keys...) +} + +func (c cmdable) BitOpOr(ctx context.Context, destKey string, keys ...string) *IntCmd { + return c.bitOp(ctx, "or", destKey, keys...) +} + +func (c cmdable) BitOpXor(ctx context.Context, destKey string, keys ...string) *IntCmd { + return c.bitOp(ctx, "xor", destKey, keys...) +} + +func (c cmdable) BitOpNot(ctx context.Context, destKey string, key string) *IntCmd { + return c.bitOp(ctx, "not", destKey, key) +} + +func (c cmdable) BitPos(ctx context.Context, key string, bit int64, pos ...int64) *IntCmd { + args := make([]interface{}, 3+len(pos)) + args[0] = "bitpos" + args[1] = key + args[2] = bit + switch len(pos) { + case 0: + case 1: + args[3] = pos[0] + case 2: + args[3] = pos[0] + args[4] = pos[1] + default: + panic("too many arguments") + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) BitField(ctx context.Context, key string, args ...interface{}) *IntSliceCmd { + a := make([]interface{}, 0, 2+len(args)) + a = append(a, "bitfield") + a = append(a, key) + a = append(a, args...) + cmd := NewIntSliceCmd(ctx, a...) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) Scan(ctx context.Context, cursor uint64, match string, count int64) *ScanCmd { + args := []interface{}{"scan", cursor} + if match != "" { + args = append(args, "match", match) + } + if count > 0 { + args = append(args, "count", count) + } + cmd := NewScanCmd(ctx, c, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { + args := []interface{}{"sscan", key, cursor} + if match != "" { + args = append(args, "match", match) + } + if count > 0 { + args = append(args, "count", count) + } + cmd := NewScanCmd(ctx, c, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { + args := []interface{}{"hscan", key, cursor} + if match != "" { + args = append(args, "match", match) + } + if count > 0 { + args = append(args, "count", count) + } + cmd := NewScanCmd(ctx, c, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZScan(ctx context.Context, key string, cursor uint64, match string, count int64) *ScanCmd { + args := []interface{}{"zscan", key, cursor} + if match != "" { + args = append(args, "match", match) + } + if count > 0 { + args = append(args, "count", count) + } + cmd := NewScanCmd(ctx, c, args...) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) HDel(ctx context.Context, key string, fields ...string) *IntCmd { + args := make([]interface{}, 2+len(fields)) + args[0] = "hdel" + args[1] = key + for i, field := range fields { + args[2+i] = field + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HExists(ctx context.Context, key, field string) *BoolCmd { + cmd := NewBoolCmd(ctx, "hexists", key, field) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HGet(ctx context.Context, key, field string) *StringCmd { + cmd := NewStringCmd(ctx, "hget", key, field) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HGetAll(ctx context.Context, key string) *StringStringMapCmd { + cmd := NewStringStringMapCmd(ctx, "hgetall", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HIncrBy(ctx context.Context, key, field string, incr int64) *IntCmd { + cmd := NewIntCmd(ctx, "hincrby", key, field, incr) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HIncrByFloat(ctx context.Context, key, field string, incr float64) *FloatCmd { + cmd := NewFloatCmd(ctx, "hincrbyfloat", key, field, incr) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HKeys(ctx context.Context, key string) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "hkeys", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HLen(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "hlen", key) + _ = c(ctx, cmd) + return cmd +} + +// HMGet returns the values for the specified fields in the hash stored at key. +// It returns an interface{} to distinguish between empty string and nil value. +func (c cmdable) HMGet(ctx context.Context, key string, fields ...string) *SliceCmd { + args := make([]interface{}, 2+len(fields)) + args[0] = "hmget" + args[1] = key + for i, field := range fields { + args[2+i] = field + } + cmd := NewSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// HSet accepts values in following formats: +// - HSet("myhash", "key1", "value1", "key2", "value2") +// - HSet("myhash", []string{"key1", "value1", "key2", "value2"}) +// - HSet("myhash", map[string]interface{}{"key1": "value1", "key2": "value2"}) +// +// Note that it requires Redis v4 for multiple field/value pairs support. +func (c cmdable) HSet(ctx context.Context, key string, values ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "hset" + args[1] = key + args = appendArgs(args, values) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +// HMSet is a deprecated version of HSet left for compatibility with Redis 3. +func (c cmdable) HMSet(ctx context.Context, key string, values ...interface{}) *BoolCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "hmset" + args[1] = key + args = appendArgs(args, values) + cmd := NewBoolCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HSetNX(ctx context.Context, key, field string, value interface{}) *BoolCmd { + cmd := NewBoolCmd(ctx, "hsetnx", key, field, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) HVals(ctx context.Context, key string) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "hvals", key) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) BLPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd { + args := make([]interface{}, 1+len(keys)+1) + args[0] = "blpop" + for i, key := range keys { + args[1+i] = key + } + args[len(args)-1] = formatSec(ctx, timeout) + cmd := NewStringSliceCmd(ctx, args...) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) BRPop(ctx context.Context, timeout time.Duration, keys ...string) *StringSliceCmd { + args := make([]interface{}, 1+len(keys)+1) + args[0] = "brpop" + for i, key := range keys { + args[1+i] = key + } + args[len(keys)+1] = formatSec(ctx, timeout) + cmd := NewStringSliceCmd(ctx, args...) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) BRPopLPush(ctx context.Context, source, destination string, timeout time.Duration) *StringCmd { + cmd := NewStringCmd( + ctx, + "brpoplpush", + source, + destination, + formatSec(ctx, timeout), + ) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LIndex(ctx context.Context, key string, index int64) *StringCmd { + cmd := NewStringCmd(ctx, "lindex", key, index) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LInsert(ctx context.Context, key, op string, pivot, value interface{}) *IntCmd { + cmd := NewIntCmd(ctx, "linsert", key, op, pivot, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LInsertBefore(ctx context.Context, key string, pivot, value interface{}) *IntCmd { + cmd := NewIntCmd(ctx, "linsert", key, "before", pivot, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LInsertAfter(ctx context.Context, key string, pivot, value interface{}) *IntCmd { + cmd := NewIntCmd(ctx, "linsert", key, "after", pivot, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LLen(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "llen", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LPop(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "lpop", key) + _ = c(ctx, cmd) + return cmd +} + +type LPosArgs struct { + Rank, MaxLen int64 +} + +func (c cmdable) LPos(ctx context.Context, key string, value string, a LPosArgs) *IntCmd { + args := []interface{}{"lpos", key, value} + if a.Rank != 0 { + args = append(args, "rank", a.Rank) + } + if a.MaxLen != 0 { + args = append(args, "maxlen", a.MaxLen) + } + + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LPosCount(ctx context.Context, key string, value string, count int64, a LPosArgs) *IntSliceCmd { + args := []interface{}{"lpos", key, value, "count", count} + if a.Rank != 0 { + args = append(args, "rank", a.Rank) + } + if a.MaxLen != 0 { + args = append(args, "maxlen", a.MaxLen) + } + cmd := NewIntSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LPush(ctx context.Context, key string, values ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "lpush" + args[1] = key + args = appendArgs(args, values) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LPushX(ctx context.Context, key string, values ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "lpushx" + args[1] = key + args = appendArgs(args, values) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { + cmd := NewStringSliceCmd( + ctx, + "lrange", + key, + start, + stop, + ) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LRem(ctx context.Context, key string, count int64, value interface{}) *IntCmd { + cmd := NewIntCmd(ctx, "lrem", key, count, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LSet(ctx context.Context, key string, index int64, value interface{}) *StatusCmd { + cmd := NewStatusCmd(ctx, "lset", key, index, value) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) LTrim(ctx context.Context, key string, start, stop int64) *StatusCmd { + cmd := NewStatusCmd( + ctx, + "ltrim", + key, + start, + stop, + ) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RPop(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "rpop", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RPopLPush(ctx context.Context, source, destination string) *StringCmd { + cmd := NewStringCmd(ctx, "rpoplpush", source, destination) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RPush(ctx context.Context, key string, values ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "rpush" + args[1] = key + args = appendArgs(args, values) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) RPushX(ctx context.Context, key string, values ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(values)) + args[0] = "rpushx" + args[1] = key + args = appendArgs(args, values) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) SAdd(ctx context.Context, key string, members ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(members)) + args[0] = "sadd" + args[1] = key + args = appendArgs(args, members) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SCard(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "scard", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SDiff(ctx context.Context, keys ...string) *StringSliceCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "sdiff" + for i, key := range keys { + args[1+i] = key + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SDiffStore(ctx context.Context, destination string, keys ...string) *IntCmd { + args := make([]interface{}, 2+len(keys)) + args[0] = "sdiffstore" + args[1] = destination + for i, key := range keys { + args[2+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SInter(ctx context.Context, keys ...string) *StringSliceCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "sinter" + for i, key := range keys { + args[1+i] = key + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SInterStore(ctx context.Context, destination string, keys ...string) *IntCmd { + args := make([]interface{}, 2+len(keys)) + args[0] = "sinterstore" + args[1] = destination + for i, key := range keys { + args[2+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SIsMember(ctx context.Context, key string, member interface{}) *BoolCmd { + cmd := NewBoolCmd(ctx, "sismember", key, member) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SMEMBERS key` command output as a slice. +func (c cmdable) SMembers(ctx context.Context, key string) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "smembers", key) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SMEMBERS key` command output as a map. +func (c cmdable) SMembersMap(ctx context.Context, key string) *StringStructMapCmd { + cmd := NewStringStructMapCmd(ctx, "smembers", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SMove(ctx context.Context, source, destination string, member interface{}) *BoolCmd { + cmd := NewBoolCmd(ctx, "smove", source, destination, member) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SPOP key` command. +func (c cmdable) SPop(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "spop", key) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SPOP key count` command. +func (c cmdable) SPopN(ctx context.Context, key string, count int64) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "spop", key, count) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SRANDMEMBER key` command. +func (c cmdable) SRandMember(ctx context.Context, key string) *StringCmd { + cmd := NewStringCmd(ctx, "srandmember", key) + _ = c(ctx, cmd) + return cmd +} + +// Redis `SRANDMEMBER key count` command. +func (c cmdable) SRandMemberN(ctx context.Context, key string, count int64) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "srandmember", key, count) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SRem(ctx context.Context, key string, members ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(members)) + args[0] = "srem" + args[1] = key + args = appendArgs(args, members) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SUnion(ctx context.Context, keys ...string) *StringSliceCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "sunion" + for i, key := range keys { + args[1+i] = key + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) SUnionStore(ctx context.Context, destination string, keys ...string) *IntCmd { + args := make([]interface{}, 2+len(keys)) + args[0] = "sunionstore" + args[1] = destination + for i, key := range keys { + args[2+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +// XAddArgs accepts values in the following formats: +// - XAddArgs.Values = []interface{}{"key1", "value1", "key2", "value2"} +// - XAddArgs.Values = []string("key1", "value1", "key2", "value2") +// - XAddArgs.Values = map[string]interface{}{"key1": "value1", "key2": "value2"} +// +// Note that map will not preserve the order of key-value pairs. +type XAddArgs struct { + Stream string + MaxLen int64 // MAXLEN N + MaxLenApprox int64 // MAXLEN ~ N + ID string + Values interface{} +} + +func (c cmdable) XAdd(ctx context.Context, a *XAddArgs) *StringCmd { + args := make([]interface{}, 0, 8) + args = append(args, "xadd") + args = append(args, a.Stream) + if a.MaxLen > 0 { + args = append(args, "maxlen", a.MaxLen) + } else if a.MaxLenApprox > 0 { + args = append(args, "maxlen", "~", a.MaxLenApprox) + } + if a.ID != "" { + args = append(args, a.ID) + } else { + args = append(args, "*") + } + args = appendArg(args, a.Values) + + cmd := NewStringCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XDel(ctx context.Context, stream string, ids ...string) *IntCmd { + args := []interface{}{"xdel", stream} + for _, id := range ids { + args = append(args, id) + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XLen(ctx context.Context, stream string) *IntCmd { + cmd := NewIntCmd(ctx, "xlen", stream) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd { + cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd { + cmd := NewXMessageSliceCmd(ctx, "xrange", stream, start, stop, "count", count) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XRevRange(ctx context.Context, stream, start, stop string) *XMessageSliceCmd { + cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XRevRangeN(ctx context.Context, stream, start, stop string, count int64) *XMessageSliceCmd { + cmd := NewXMessageSliceCmd(ctx, "xrevrange", stream, start, stop, "count", count) + _ = c(ctx, cmd) + return cmd +} + +type XReadArgs struct { + Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2 + Count int64 + Block time.Duration +} + +func (c cmdable) XRead(ctx context.Context, a *XReadArgs) *XStreamSliceCmd { + args := make([]interface{}, 0, 5+len(a.Streams)) + args = append(args, "xread") + + keyPos := int8(1) + if a.Count > 0 { + args = append(args, "count") + args = append(args, a.Count) + keyPos += 2 + } + if a.Block >= 0 { + args = append(args, "block") + args = append(args, int64(a.Block/time.Millisecond)) + keyPos += 2 + } + args = append(args, "streams") + keyPos++ + for _, s := range a.Streams { + args = append(args, s) + } + + cmd := NewXStreamSliceCmd(ctx, args...) + if a.Block >= 0 { + cmd.setReadTimeout(a.Block) + } + cmd.setFirstKeyPos(keyPos) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XReadStreams(ctx context.Context, streams ...string) *XStreamSliceCmd { + return c.XRead(ctx, &XReadArgs{ + Streams: streams, + Block: -1, + }) +} + +func (c cmdable) XGroupCreate(ctx context.Context, stream, group, start string) *StatusCmd { + cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XGroupCreateMkStream(ctx context.Context, stream, group, start string) *StatusCmd { + cmd := NewStatusCmd(ctx, "xgroup", "create", stream, group, start, "mkstream") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XGroupSetID(ctx context.Context, stream, group, start string) *StatusCmd { + cmd := NewStatusCmd(ctx, "xgroup", "setid", stream, group, start) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XGroupDestroy(ctx context.Context, stream, group string) *IntCmd { + cmd := NewIntCmd(ctx, "xgroup", "destroy", stream, group) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XGroupDelConsumer(ctx context.Context, stream, group, consumer string) *IntCmd { + cmd := NewIntCmd(ctx, "xgroup", "delconsumer", stream, group, consumer) + _ = c(ctx, cmd) + return cmd +} + +type XReadGroupArgs struct { + Group string + Consumer string + Streams []string // list of streams and ids, e.g. stream1 stream2 id1 id2 + Count int64 + Block time.Duration + NoAck bool +} + +func (c cmdable) XReadGroup(ctx context.Context, a *XReadGroupArgs) *XStreamSliceCmd { + args := make([]interface{}, 0, 8+len(a.Streams)) + args = append(args, "xreadgroup", "group", a.Group, a.Consumer) + + keyPos := int8(1) + if a.Count > 0 { + args = append(args, "count", a.Count) + keyPos += 2 + } + if a.Block >= 0 { + args = append(args, "block", int64(a.Block/time.Millisecond)) + keyPos += 2 + } + if a.NoAck { + args = append(args, "noack") + keyPos++ + } + args = append(args, "streams") + keyPos++ + for _, s := range a.Streams { + args = append(args, s) + } + + cmd := NewXStreamSliceCmd(ctx, args...) + if a.Block >= 0 { + cmd.setReadTimeout(a.Block) + } + cmd.setFirstKeyPos(keyPos) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XAck(ctx context.Context, stream, group string, ids ...string) *IntCmd { + args := []interface{}{"xack", stream, group} + for _, id := range ids { + args = append(args, id) + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XPending(ctx context.Context, stream, group string) *XPendingCmd { + cmd := NewXPendingCmd(ctx, "xpending", stream, group) + _ = c(ctx, cmd) + return cmd +} + +type XPendingExtArgs struct { + Stream string + Group string + Start string + End string + Count int64 + Consumer string +} + +func (c cmdable) XPendingExt(ctx context.Context, a *XPendingExtArgs) *XPendingExtCmd { + args := make([]interface{}, 0, 7) + args = append(args, "xpending", a.Stream, a.Group, a.Start, a.End, a.Count) + if a.Consumer != "" { + args = append(args, a.Consumer) + } + cmd := NewXPendingExtCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +type XClaimArgs struct { + Stream string + Group string + Consumer string + MinIdle time.Duration + Messages []string +} + +func (c cmdable) XClaim(ctx context.Context, a *XClaimArgs) *XMessageSliceCmd { + args := xClaimArgs(a) + cmd := NewXMessageSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XClaimJustID(ctx context.Context, a *XClaimArgs) *StringSliceCmd { + args := xClaimArgs(a) + args = append(args, "justid") + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func xClaimArgs(a *XClaimArgs) []interface{} { + args := make([]interface{}, 0, 4+len(a.Messages)) + args = append(args, + "xclaim", + a.Stream, + a.Group, a.Consumer, + int64(a.MinIdle/time.Millisecond)) + for _, id := range a.Messages { + args = append(args, id) + } + return args +} + +func (c cmdable) XTrim(ctx context.Context, key string, maxLen int64) *IntCmd { + cmd := NewIntCmd(ctx, "xtrim", key, "maxlen", maxLen) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XTrimApprox(ctx context.Context, key string, maxLen int64) *IntCmd { + cmd := NewIntCmd(ctx, "xtrim", key, "maxlen", "~", maxLen) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XInfoGroups(ctx context.Context, key string) *XInfoGroupsCmd { + cmd := NewXInfoGroupsCmd(ctx, key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) XInfoStream(ctx context.Context, key string) *XInfoStreamCmd { + cmd := NewXInfoStreamCmd(ctx, key) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +// Z represents sorted set member. +type Z struct { + Score float64 + Member interface{} +} + +// ZWithKey represents sorted set member including the name of the key where it was popped. +type ZWithKey struct { + Z + Key string +} + +// ZStore is used as an arg to ZInterStore and ZUnionStore. +type ZStore struct { + Keys []string + Weights []float64 + // Can be SUM, MIN or MAX. + Aggregate string +} + +// Redis `BZPOPMAX key [key ...] timeout` command. +func (c cmdable) BZPopMax(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd { + args := make([]interface{}, 1+len(keys)+1) + args[0] = "bzpopmax" + for i, key := range keys { + args[1+i] = key + } + args[len(args)-1] = formatSec(ctx, timeout) + cmd := NewZWithKeyCmd(ctx, args...) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +// Redis `BZPOPMIN key [key ...] timeout` command. +func (c cmdable) BZPopMin(ctx context.Context, timeout time.Duration, keys ...string) *ZWithKeyCmd { + args := make([]interface{}, 1+len(keys)+1) + args[0] = "bzpopmin" + for i, key := range keys { + args[1+i] = key + } + args[len(args)-1] = formatSec(ctx, timeout) + cmd := NewZWithKeyCmd(ctx, args...) + cmd.setReadTimeout(timeout) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) zAdd(ctx context.Context, a []interface{}, n int, members ...*Z) *IntCmd { + for i, m := range members { + a[n+2*i] = m.Score + a[n+2*i+1] = m.Member + } + cmd := NewIntCmd(ctx, a...) + _ = c(ctx, cmd) + return cmd +} + +// Redis `ZADD key score member [score member ...]` command. +func (c cmdable) ZAdd(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 2 + a := make([]interface{}, n+2*len(members)) + a[0], a[1] = "zadd", key + return c.zAdd(ctx, a, n, members...) +} + +// Redis `ZADD key NX score member [score member ...]` command. +func (c cmdable) ZAddNX(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 3 + a := make([]interface{}, n+2*len(members)) + a[0], a[1], a[2] = "zadd", key, "nx" + return c.zAdd(ctx, a, n, members...) +} + +// Redis `ZADD key XX score member [score member ...]` command. +func (c cmdable) ZAddXX(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 3 + a := make([]interface{}, n+2*len(members)) + a[0], a[1], a[2] = "zadd", key, "xx" + return c.zAdd(ctx, a, n, members...) +} + +// Redis `ZADD key CH score member [score member ...]` command. +func (c cmdable) ZAddCh(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 3 + a := make([]interface{}, n+2*len(members)) + a[0], a[1], a[2] = "zadd", key, "ch" + return c.zAdd(ctx, a, n, members...) +} + +// Redis `ZADD key NX CH score member [score member ...]` command. +func (c cmdable) ZAddNXCh(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 4 + a := make([]interface{}, n+2*len(members)) + a[0], a[1], a[2], a[3] = "zadd", key, "nx", "ch" + return c.zAdd(ctx, a, n, members...) +} + +// Redis `ZADD key XX CH score member [score member ...]` command. +func (c cmdable) ZAddXXCh(ctx context.Context, key string, members ...*Z) *IntCmd { + const n = 4 + a := make([]interface{}, n+2*len(members)) + a[0], a[1], a[2], a[3] = "zadd", key, "xx", "ch" + return c.zAdd(ctx, a, n, members...) +} + +func (c cmdable) zIncr(ctx context.Context, a []interface{}, n int, members ...*Z) *FloatCmd { + for i, m := range members { + a[n+2*i] = m.Score + a[n+2*i+1] = m.Member + } + cmd := NewFloatCmd(ctx, a...) + _ = c(ctx, cmd) + return cmd +} + +// Redis `ZADD key INCR score member` command. +func (c cmdable) ZIncr(ctx context.Context, key string, member *Z) *FloatCmd { + const n = 3 + a := make([]interface{}, n+2) + a[0], a[1], a[2] = "zadd", key, "incr" + return c.zIncr(ctx, a, n, member) +} + +// Redis `ZADD key NX INCR score member` command. +func (c cmdable) ZIncrNX(ctx context.Context, key string, member *Z) *FloatCmd { + const n = 4 + a := make([]interface{}, n+2) + a[0], a[1], a[2], a[3] = "zadd", key, "incr", "nx" + return c.zIncr(ctx, a, n, member) +} + +// Redis `ZADD key XX INCR score member` command. +func (c cmdable) ZIncrXX(ctx context.Context, key string, member *Z) *FloatCmd { + const n = 4 + a := make([]interface{}, n+2) + a[0], a[1], a[2], a[3] = "zadd", key, "incr", "xx" + return c.zIncr(ctx, a, n, member) +} + +func (c cmdable) ZCard(ctx context.Context, key string) *IntCmd { + cmd := NewIntCmd(ctx, "zcard", key) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZCount(ctx context.Context, key, min, max string) *IntCmd { + cmd := NewIntCmd(ctx, "zcount", key, min, max) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZLexCount(ctx context.Context, key, min, max string) *IntCmd { + cmd := NewIntCmd(ctx, "zlexcount", key, min, max) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZIncrBy(ctx context.Context, key string, increment float64, member string) *FloatCmd { + cmd := NewFloatCmd(ctx, "zincrby", key, increment, member) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZInterStore(ctx context.Context, destination string, store *ZStore) *IntCmd { + args := make([]interface{}, 3+len(store.Keys)) + args[0] = "zinterstore" + args[1] = destination + args[2] = len(store.Keys) + for i, key := range store.Keys { + args[3+i] = key + } + if len(store.Weights) > 0 { + args = append(args, "weights") + for _, weight := range store.Weights { + args = append(args, weight) + } + } + if store.Aggregate != "" { + args = append(args, "aggregate", store.Aggregate) + } + cmd := NewIntCmd(ctx, args...) + cmd.setFirstKeyPos(3) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZPopMax(ctx context.Context, key string, count ...int64) *ZSliceCmd { + args := []interface{}{ + "zpopmax", + key, + } + + switch len(count) { + case 0: + break + case 1: + args = append(args, count[0]) + default: + panic("too many arguments") + } + + cmd := NewZSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZPopMin(ctx context.Context, key string, count ...int64) *ZSliceCmd { + args := []interface{}{ + "zpopmin", + key, + } + + switch len(count) { + case 0: + break + case 1: + args = append(args, count[0]) + default: + panic("too many arguments") + } + + cmd := NewZSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) zRange(ctx context.Context, key string, start, stop int64, withScores bool) *StringSliceCmd { + args := []interface{}{ + "zrange", + key, + start, + stop, + } + if withScores { + args = append(args, "withscores") + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { + return c.zRange(ctx, key, start, stop, false) +} + +func (c cmdable) ZRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd { + cmd := NewZSliceCmd(ctx, "zrange", key, start, stop, "withscores") + _ = c(ctx, cmd) + return cmd +} + +type ZRangeBy struct { + Min, Max string + Offset, Count int64 +} + +func (c cmdable) zRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy, withScores bool) *StringSliceCmd { + args := []interface{}{zcmd, key, opt.Min, opt.Max} + if withScores { + args = append(args, "withscores") + } + if opt.Offset != 0 || opt.Count != 0 { + args = append( + args, + "limit", + opt.Offset, + opt.Count, + ) + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { + return c.zRangeBy(ctx, "zrangebyscore", key, opt, false) +} + +func (c cmdable) ZRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { + return c.zRangeBy(ctx, "zrangebylex", key, opt, false) +} + +func (c cmdable) ZRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd { + args := []interface{}{"zrangebyscore", key, opt.Min, opt.Max, "withscores"} + if opt.Offset != 0 || opt.Count != 0 { + args = append( + args, + "limit", + opt.Offset, + opt.Count, + ) + } + cmd := NewZSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRank(ctx context.Context, key, member string) *IntCmd { + cmd := NewIntCmd(ctx, "zrank", key, member) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRem(ctx context.Context, key string, members ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(members)) + args[0] = "zrem" + args[1] = key + args = appendArgs(args, members) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRemRangeByRank(ctx context.Context, key string, start, stop int64) *IntCmd { + cmd := NewIntCmd( + ctx, + "zremrangebyrank", + key, + start, + stop, + ) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRemRangeByScore(ctx context.Context, key, min, max string) *IntCmd { + cmd := NewIntCmd(ctx, "zremrangebyscore", key, min, max) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRemRangeByLex(ctx context.Context, key, min, max string) *IntCmd { + cmd := NewIntCmd(ctx, "zremrangebylex", key, min, max) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRevRange(ctx context.Context, key string, start, stop int64) *StringSliceCmd { + cmd := NewStringSliceCmd(ctx, "zrevrange", key, start, stop) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRevRangeWithScores(ctx context.Context, key string, start, stop int64) *ZSliceCmd { + cmd := NewZSliceCmd(ctx, "zrevrange", key, start, stop, "withscores") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) zRevRangeBy(ctx context.Context, zcmd, key string, opt *ZRangeBy) *StringSliceCmd { + args := []interface{}{zcmd, key, opt.Max, opt.Min} + if opt.Offset != 0 || opt.Count != 0 { + args = append( + args, + "limit", + opt.Offset, + opt.Count, + ) + } + cmd := NewStringSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRevRangeByScore(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { + return c.zRevRangeBy(ctx, "zrevrangebyscore", key, opt) +} + +func (c cmdable) ZRevRangeByLex(ctx context.Context, key string, opt *ZRangeBy) *StringSliceCmd { + return c.zRevRangeBy(ctx, "zrevrangebylex", key, opt) +} + +func (c cmdable) ZRevRangeByScoreWithScores(ctx context.Context, key string, opt *ZRangeBy) *ZSliceCmd { + args := []interface{}{"zrevrangebyscore", key, opt.Max, opt.Min, "withscores"} + if opt.Offset != 0 || opt.Count != 0 { + args = append( + args, + "limit", + opt.Offset, + opt.Count, + ) + } + cmd := NewZSliceCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZRevRank(ctx context.Context, key, member string) *IntCmd { + cmd := NewIntCmd(ctx, "zrevrank", key, member) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZScore(ctx context.Context, key, member string) *FloatCmd { + cmd := NewFloatCmd(ctx, "zscore", key, member) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ZUnionStore(ctx context.Context, dest string, store *ZStore) *IntCmd { + args := make([]interface{}, 3+len(store.Keys)) + args[0] = "zunionstore" + args[1] = dest + args[2] = len(store.Keys) + for i, key := range store.Keys { + args[3+i] = key + } + if len(store.Weights) > 0 { + args = append(args, "weights") + for _, weight := range store.Weights { + args = append(args, weight) + } + } + if store.Aggregate != "" { + args = append(args, "aggregate", store.Aggregate) + } + + cmd := NewIntCmd(ctx, args...) + cmd.setFirstKeyPos(3) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) PFAdd(ctx context.Context, key string, els ...interface{}) *IntCmd { + args := make([]interface{}, 2, 2+len(els)) + args[0] = "pfadd" + args[1] = key + args = appendArgs(args, els) + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) PFCount(ctx context.Context, keys ...string) *IntCmd { + args := make([]interface{}, 1+len(keys)) + args[0] = "pfcount" + for i, key := range keys { + args[1+i] = key + } + cmd := NewIntCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) PFMerge(ctx context.Context, dest string, keys ...string) *StatusCmd { + args := make([]interface{}, 2+len(keys)) + args[0] = "pfmerge" + args[1] = dest + for i, key := range keys { + args[2+i] = key + } + cmd := NewStatusCmd(ctx, args...) + _ = c(ctx, cmd) + return cmd +} + +//------------------------------------------------------------------------------ + +func (c cmdable) BgRewriteAOF(ctx context.Context) *StatusCmd { + cmd := NewStatusCmd(ctx, "bgrewriteaof") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) BgSave(ctx context.Context) *StatusCmd { + cmd := NewStatusCmd(ctx, "bgsave") + _ = c(ctx, cmd) + return cmd +} + +func (c cmdable) ClientKill(ctx context.Context, ipPort string) *StatusCmd { + cmd := NewStatusCmd(ctx, "client", "kill", ipPort) + _ = c(ctx, cmd) + return cmd +} + +// ClientKillByFilter is new style syntax, while the ClientKill is old +// +// CLIENT KILL