opensource/grpc-go
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fix trace setError

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This commit is contained in:
yangzhouhan
2015-07-28 15:27:46 -07:00
parent 82323098b5
commit 3616d6be54
2 changed files with 51 additions and 28 deletions
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49
server.go
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@ -248,18 +248,15 @@ func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Str
return t.Write(stream, p, opts)
}
func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, md *MethodDesc) {
var (
traceInfo traceInfo
err error
)
func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, md *MethodDesc) (err error) {
var traceInfo traceInfo
if EnableTracing {
traceInfo.tr = trace.New("Recv."+methodFamily(stream.Method()), stream.Method())
defer traceInfo.tr.Finish()
traceInfo.firstLine.client = false
traceInfo.tr.LazyLog(&traceInfo.firstLine, false)
defer func() {
if err != nil {
if err != nil || err != io.EOF {
traceInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
traceInfo.tr.SetError()
}
@ -270,7 +267,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
pf, req, err := p.recvMsg()
if err == io.EOF {
// The entire stream is done (for unary RPC only).
return
return err
}
if err != nil {
switch err := err.(type) {
@ -283,7 +280,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
default:
panic(fmt.Sprintf("grpc: Unexpected error (%T) from recvMsg: %v", err, err))
}
return
return err
}
if traceInfo.tr != nil {
traceInfo.tr.LazyLog(&payload{sent: false, msg: req}, true)
@ -303,8 +300,9 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
}
if err := t.WriteStatus(stream, statusCode, statusDesc); err != nil {
grpclog.Printf("grpc: Server.processUnaryRPC failed to write status: %v", err)
return err
}
return
return nil
}
opts := &transport.Options{
Last: true,
@ -312,17 +310,19 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
}
if err := s.sendResponse(t, stream, reply, compressionNone, opts); err != nil {
if _, ok := err.(transport.ConnectionError); ok {
return
return err
}
if e, ok := err.(transport.StreamError); ok {
statusCode = e.Code
statusDesc = e.Desc
return err
} else {
statusCode = codes.Unknown
statusDesc = err.Error()
return err
}
}
t.WriteStatus(stream, statusCode, statusDesc)
return t.WriteStatus(stream, statusCode, statusDesc)
if traceInfo.tr != nil {
traceInfo.tr.LazyLog(&payload{sent: true, msg: reply}, true)
}
@ -332,7 +332,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
}
}
func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, sd *StreamDesc) {
func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transport.Stream, srv *service, sd *StreamDesc) (err error) {
ss := &serverStream{
t: t,
s: stream,
@ -344,23 +344,34 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
ss.traceInfo.tr = trace.New("Recv."+methodFamily(stream.Method()), stream.Method())
ss.traceInfo.firstLine.client = false
ss.traceInfo.tr.LazyLog(&ss.traceInfo.firstLine, false)
defer func() {
ss.mu.Lock()
ss.traceInfo.tr.Finish()
ss.traceInfo.tr = nil
ss.mu.Unlock()
}()
defer func() {
if err != nil {
ss.mu.Lock()
ss.traceInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
ss.traceInfo.tr.SetError()
ss.mu.Unlock()
}
}()
}
if appErr := sd.Handler(srv.server, ss); appErr != nil {
if err, ok := appErr.(rpcError); ok {
ss.statusCode = err.code
ss.statusDesc = err.desc
return err
} else {
ss.statusCode = convertCode(appErr)
ss.statusDesc = appErr.Error()
return nil
}
}
t.WriteStatus(ss.s, ss.statusCode, ss.statusDesc)
if ss.tracing {
ss.mu.Lock()
ss.traceInfo.tr.Finish()
ss.traceInfo.tr = nil
ss.mu.Unlock()
}
return t.WriteStatus(ss.s, ss.statusCode, ss.statusDesc)
}
func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Stream) {