Live: declarative processing pipeline, input -> frames -> output, toggle protected POC (#37644)

pkg/services/live/liveplugin/plugin.go

@@ -1,24 +1,42 @@
 package liveplugin
 
 import (
+	"context"
 	"fmt"
 
 	"github.com/grafana/grafana/pkg/models"
 	"github.com/grafana/grafana/pkg/plugins/plugincontext"
+	"github.com/grafana/grafana/pkg/services/live/orgchannel"
+	"github.com/grafana/grafana/pkg/services/live/pipeline"
 
 	"github.com/centrifugal/centrifuge"
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 )
 
 type ChannelLocalPublisher struct {
-	node *centrifuge.Node
+	node     *centrifuge.Node
+	pipeline *pipeline.Pipeline
 }
 
-func NewChannelLocalPublisher(node *centrifuge.Node) *ChannelLocalPublisher {
-	return &ChannelLocalPublisher{node: node}
+func NewChannelLocalPublisher(node *centrifuge.Node, pipeline *pipeline.Pipeline) *ChannelLocalPublisher {
+	return &ChannelLocalPublisher{node: node, pipeline: pipeline}
 }
 
 func (p *ChannelLocalPublisher) PublishLocal(channel string, data []byte) error {
+	if p.pipeline != nil {
+		orgID, channelID, err := orgchannel.StripOrgID(channel)
+		if err != nil {
+			return err
+		}
+		ok, err := p.pipeline.ProcessInput(context.Background(), orgID, channelID, data)
+		if err != nil {
+			return err
+		}
+		if ok {
+			// if rule found – we are done here. If not - fall through and process as usual.
+			return nil
+		}
+	}
 	pub := &centrifuge.Publication{
 		Data: data,
 	}