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api/v3rpc: log grpc stream send/recv errors in server-side

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Signed-off-by: Gyu-Ho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyu-Ho Lee 2017-11-29 16:15:50 -08:00
parent b21180d198
commit 6bd41f36ff
2 changed files with 6 additions and 0 deletions
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2
etcdserver/api/v3rpc/lease.go
View File

@ -107,6 +107,7 @@ func (ls *LeaseServer) leaseKeepAlive(stream pb.Lease_LeaseKeepAliveServer) erro
return nil return nil
} }
if err != nil { if err != nil {
plog.Warningf("failed to receive lease keepalive request from gRPC stream (%q)", err.Error())
return err return err
} }
@ -132,6 +133,7 @@ func (ls *LeaseServer) leaseKeepAlive(stream pb.Lease_LeaseKeepAliveServer) erro
resp.TTL = ttl resp.TTL = ttl
err = stream.Send(resp) err = stream.Send(resp)
if err != nil { if err != nil {
plog.Warningf("failed to send lease keepalive response to gRPC stream (%q)", err.Error())
return err return err
} }
} }

4
etcdserver/api/v3rpc/watch.go
View File

@ -140,6 +140,7 @@ func (ws *watchServer) Watch(stream pb.Watch_WatchServer) (err error) {
// deadlock when calling sws.close(). // deadlock when calling sws.close().
go func() { go func() {
if rerr := sws.recvLoop(); rerr != nil { if rerr := sws.recvLoop(); rerr != nil {
plog.Warningf("failed to receive watch request from gRPC stream (%q)", rerr.Error())
errc <- rerr errc <- rerr
} }
}() }()
@ -338,6 +339,7 @@ func (sws *serverWatchStream) sendLoop() {
mvcc.ReportEventReceived(len(evs)) mvcc.ReportEventReceived(len(evs))
if err := sws.gRPCStream.Send(wr); err != nil { if err := sws.gRPCStream.Send(wr); err != nil {
plog.Warningf("failed to send watch response to gRPC stream (%q)", err.Error())
return return
} }
@ -354,6 +356,7 @@ func (sws *serverWatchStream) sendLoop() {
} }
if err := sws.gRPCStream.Send(c); err != nil { if err := sws.gRPCStream.Send(c); err != nil {
plog.Warningf("failed to send watch control response to gRPC stream (%q)", err.Error())
return return
} }
@ -369,6 +372,7 @@ func (sws *serverWatchStream) sendLoop() {
for _, v := range pending[wid] { for _, v := range pending[wid] {
mvcc.ReportEventReceived(len(v.Events)) mvcc.ReportEventReceived(len(v.Events))
if err := sws.gRPCStream.Send(v); err != nil { if err := sws.gRPCStream.Send(v); err != nil {
plog.Warningf("failed to send pending watch response to gRPC stream (%q)", err.Error())
return return
} }
} }