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Live: update centrifuge and the ChannelHandler api (#28843)

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This commit is contained in:
Ryan McKinley
2020-11-05 10:37:04 -08:00
committed by GitHub
parent d736fcdd1d
commit b91e9faccf
10 changed files with 109 additions and 206 deletions
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pkg/tsdb/cloudwatch/live.go
+6 -12
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@@ -55,19 +55,13 @@ func (s *LogQueryRunnerSupplier) GetHandlerForPath(path string) (models.ChannelH
}, nil
}
// GetChannelOptions gets channel options.
// It's called fast and often.
func (r *logQueryRunner) GetChannelOptions(id string) centrifuge.ChannelOptions {
return centrifuge.ChannelOptions{}
}
// OnSubscribe publishes results from the corresponding CloudWatch Logs query to the provided channel
func (r *logQueryRunner) OnSubscribe(c *centrifuge.Client, e centrifuge.SubscribeEvent) error {
func (r *logQueryRunner) OnSubscribe(c *centrifuge.Client, e centrifuge.SubscribeEvent) (centrifuge.SubscribeReply, error) {
r.runningMu.Lock()
defer r.runningMu.Unlock()
if _, ok := r.running[e.Channel]; ok {
return nil
return centrifuge.SubscribeReply{}, nil
}
r.running[e.Channel] = true
@@ -77,12 +71,12 @@ func (r *logQueryRunner) OnSubscribe(c *centrifuge.Client, e centrifuge.Subscrib
}
}()
return nil
return centrifuge.SubscribeReply{}, nil
}
// AllowBroadcast checks if a message from the websocket can be broadcast on this channel
func (r *logQueryRunner) AllowBroadcast(c *centrifuge.Client, e centrifuge.PublishEvent) error {
return fmt.Errorf("can not publish")
// OnPublish checks if a message from the websocket can be broadcast on this channel
func (r *logQueryRunner) OnPublish(c *centrifuge.Client, e centrifuge.PublishEvent) (centrifuge.PublishReply, error) {
return centrifuge.PublishReply{}, fmt.Errorf("can not publish")
}
func (r *logQueryRunner) publishResults(channelName string) error {