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grpcproxy: fix double create event

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This commit is contained in:
Xiang Li 2016-09-02 15:57:35 -07:00
parent 5b14b834c9
commit 805d4cbd93
1 changed files with 8 additions and 0 deletions
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8
proxy/grpcproxy/watcher_groups.go
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@ -43,6 +43,14 @@ func (wgs *watchergroups) addWatcher(rid receiverID, w watcher) {
rev := wg.add(rid, w)
wgs.idToGroup[rid] = wg
if rev == 0 {
// The group is newly created, the create event has not been delivered
// to this group yet.
// We can rely on etcd server to deliver the create event.
// Or we might end up sending created event twice.
return
}
resp := &pb.WatchResponse{
Header: &pb.ResponseHeader{
// todo: fill in ClusterId