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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2022/07/23 10:42:52 UTC
[GitHub] [dubbo-go] chuntaojun commented on a diff in pull request #1988: fix PolarisServiceWatcher bug and add ZookeeperServiceDiscovery ut
chuntaojun commented on code in PR #1988:
URL: https://github.com/apache/dubbo-go/pull/1988#discussion_r928108610
##########
registry/polaris/core.go:
##########
@@ -74,48 +73,52 @@ func (watcher *PolarisServiceWatcher) lazyRun() {
// startWatch start run work to watch target service by polaris
func (watcher *PolarisServiceWatcher) startWatch() {
-
for {
resp, err := watcher.consumer.WatchService(watcher.subscribeParam)
if err != nil {
time.Sleep(time.Duration(500 * time.Millisecond))
continue
}
-
watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
Value: resp.GetAllInstancesResp.Instances,
ConfigType: remoting.EventTypeAdd,
})
- select {
- case event := <-resp.EventChannel:
- eType := event.GetSubScribeEventType()
- if eType == api.EventInstance {
- insEvent := event.(*model.InstanceEvent)
- if insEvent.AddEvent != nil {
- watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
- Value: insEvent.AddEvent.Instances,
- ConfigType: remoting.EventTypeAdd,
- })
- }
- if insEvent.UpdateEvent != nil {
- instances := make([]model.Instance, len(insEvent.UpdateEvent.UpdateList))
- for i := range insEvent.UpdateEvent.UpdateList {
- instances[i] = insEvent.UpdateEvent.UpdateList[i].After
+ for {
+ select {
+ case event := <-resp.EventChannel:
+ eType := event.GetSubScribeEventType()
+ if eType == api.EventInstance {
+ insEvent := event.(*model.InstanceEvent)
+
+ if insEvent.AddEvent != nil {
+ watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
+ Value: insEvent.AddEvent.Instances,
+ ConfigType: remoting.EventTypeAdd,
+ })
+ }
+ if insEvent.UpdateEvent != nil {
+ instances := make([]model.Instance, len(insEvent.UpdateEvent.UpdateList))
+ for i := range insEvent.UpdateEvent.UpdateList {
+ instances[i] = insEvent.UpdateEvent.UpdateList[i].After
+ }
+ watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
+ Value: instances,
+ ConfigType: remoting.EventTypeUpdate,
+ })
+ }
+ if insEvent.DeleteEvent != nil {
+ watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
+ Value: insEvent.DeleteEvent.Instances,
+ ConfigType: remoting.EventTypeDel,
+ })
}
- watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
- Value: instances,
- ConfigType: remoting.EventTypeUpdate,
- })
- }
- if insEvent.DeleteEvent != nil {
- watcher.notifyAllSubscriber(&config_center.ConfigChangeEvent{
- Value: insEvent.DeleteEvent.Instances,
- ConfigType: remoting.EventTypeDel,
- })
}
+ case <-time.After(1 * time.Second):
Review Comment:
感觉这个是可以移除的，应该不太需求
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