diff options
Diffstat (limited to 'vendor/google.golang.org/grpc/transport/http2_client.go')
| -rw-r--r-- | vendor/google.golang.org/grpc/transport/http2_client.go | 94 |
1 files changed, 74 insertions, 20 deletions
diff --git a/vendor/google.golang.org/grpc/transport/http2_client.go b/vendor/google.golang.org/grpc/transport/http2_client.go index 2b0f680..605b1e5 100644 --- a/vendor/google.golang.org/grpc/transport/http2_client.go +++ b/vendor/google.golang.org/grpc/transport/http2_client.go @@ -51,16 +51,20 @@ import ( "google.golang.org/grpc/grpclog" "google.golang.org/grpc/metadata" "google.golang.org/grpc/peer" + "google.golang.org/grpc/stats" ) // http2Client implements the ClientTransport interface with HTTP2. type http2Client struct { - target string // server name/addr - userAgent string - md interface{} - conn net.Conn // underlying communication channel - authInfo credentials.AuthInfo // auth info about the connection - nextID uint32 // the next stream ID to be used + ctx context.Context + target string // server name/addr + userAgent string + md interface{} + conn net.Conn // underlying communication channel + remoteAddr net.Addr + localAddr net.Addr + authInfo credentials.AuthInfo // auth info about the connection + nextID uint32 // the next stream ID to be used // writableChan synchronizes write access to the transport. // A writer acquires the write lock by sending a value on writableChan @@ -150,6 +154,9 @@ func newHTTP2Client(ctx context.Context, addr TargetInfo, opts ConnectOptions) ( scheme := "http" conn, err := dial(ctx, opts.Dialer, addr.Addr) if err != nil { + if opts.FailOnNonTempDialError { + return nil, connectionErrorf(isTemporary(err), err, "transport: %v", err) + } return nil, connectionErrorf(true, err, "transport: %v", err) } // Any further errors will close the underlying connection @@ -175,11 +182,14 @@ func newHTTP2Client(ctx context.Context, addr TargetInfo, opts ConnectOptions) ( } var buf bytes.Buffer t := &http2Client{ - target: addr.Addr, - userAgent: ua, - md: addr.Metadata, - conn: conn, - authInfo: authInfo, + ctx: ctx, + target: addr.Addr, + userAgent: ua, + md: addr.Metadata, + conn: conn, + remoteAddr: conn.RemoteAddr(), + localAddr: conn.LocalAddr(), + authInfo: authInfo, // The client initiated stream id is odd starting from 1. nextID: 1, writableChan: make(chan int, 1), @@ -199,6 +209,16 @@ func newHTTP2Client(ctx context.Context, addr TargetInfo, opts ConnectOptions) ( maxStreams: math.MaxInt32, streamSendQuota: defaultWindowSize, } + if stats.On() { + t.ctx = stats.TagConn(t.ctx, &stats.ConnTagInfo{ + RemoteAddr: t.remoteAddr, + LocalAddr: t.localAddr, + }) + connBegin := &stats.ConnBegin{ + Client: true, + } + stats.HandleConn(t.ctx, connBegin) + } // Start the reader goroutine for incoming message. Each transport has // a dedicated goroutine which reads HTTP2 frame from network. Then it // dispatches the frame to the corresponding stream entity. @@ -270,12 +290,13 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream { // streams. func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Stream, err error) { pr := &peer.Peer{ - Addr: t.conn.RemoteAddr(), + Addr: t.remoteAddr, } // Attach Auth info if there is any. if t.authInfo != nil { pr.AuthInfo = t.authInfo } + userCtx := ctx ctx = peer.NewContext(ctx, pr) authData := make(map[string]string) for _, c := range t.creds { @@ -347,6 +368,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea return nil, ErrConnClosing } s := t.newStream(ctx, callHdr) + s.clientStatsCtx = userCtx t.activeStreams[s.id] = s // This stream is not counted when applySetings(...) initialize t.streamsQuota. @@ -357,7 +379,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea } t.mu.Unlock() if reset { - t.streamsQuota.reset(-1) + t.streamsQuota.add(-1) } // HPACK encodes various headers. Note that once WriteField(...) is @@ -413,6 +435,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea } } first := true + bufLen := t.hBuf.Len() // Sends the headers in a single batch even when they span multiple frames. for !endHeaders { size := t.hBuf.Len() @@ -447,6 +470,17 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Strea return nil, connectionErrorf(true, err, "transport: %v", err) } } + if stats.On() { + outHeader := &stats.OutHeader{ + Client: true, + WireLength: bufLen, + FullMethod: callHdr.Method, + RemoteAddr: t.remoteAddr, + LocalAddr: t.localAddr, + Compression: callHdr.SendCompress, + } + stats.HandleRPC(s.clientStatsCtx, outHeader) + } t.writableChan <- 0 return s, nil } @@ -525,6 +559,12 @@ func (t *http2Client) Close() (err error) { s.mu.Unlock() s.write(recvMsg{err: ErrConnClosing}) } + if stats.On() { + connEnd := &stats.ConnEnd{ + Client: true, + } + stats.HandleConn(t.ctx, connEnd) + } return } @@ -582,19 +622,14 @@ func (t *http2Client) Write(s *Stream, data []byte, opts *Options) error { var p []byte if r.Len() > 0 { size := http2MaxFrameLen - s.sendQuotaPool.add(0) // Wait until the stream has some quota to send the data. sq, err := wait(s.ctx, s.done, s.goAway, t.shutdownChan, s.sendQuotaPool.acquire()) if err != nil { return err } - t.sendQuotaPool.add(0) // Wait until the transport has some quota to send the data. tq, err := wait(s.ctx, s.done, s.goAway, t.shutdownChan, t.sendQuotaPool.acquire()) if err != nil { - if _, ok := err.(StreamError); ok || err == io.EOF { - t.sendQuotaPool.cancel() - } return err } if sq < size { @@ -874,6 +909,24 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { } endStream := frame.StreamEnded() + var isHeader bool + defer func() { + if stats.On() { + if isHeader { + inHeader := &stats.InHeader{ + Client: true, + WireLength: int(frame.Header().Length), + } + stats.HandleRPC(s.clientStatsCtx, inHeader) + } else { + inTrailer := &stats.InTrailer{ + Client: true, + WireLength: int(frame.Header().Length), + } + stats.HandleRPC(s.clientStatsCtx, inTrailer) + } + } + }() s.mu.Lock() if !endStream { @@ -885,6 +938,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { } close(s.headerChan) s.headerDone = true + isHeader = true } if !endStream || s.state == streamDone { s.mu.Unlock() @@ -994,13 +1048,13 @@ func (t *http2Client) applySettings(ss []http2.Setting) { t.maxStreams = int(s.Val) t.mu.Unlock() if reset { - t.streamsQuota.reset(int(s.Val) - ms) + t.streamsQuota.add(int(s.Val) - ms) } case http2.SettingInitialWindowSize: t.mu.Lock() for _, stream := range t.activeStreams { // Adjust the sending quota for each stream. - stream.sendQuotaPool.reset(int(s.Val - t.streamSendQuota)) + stream.sendQuotaPool.add(int(s.Val - t.streamSendQuota)) } t.streamSendQuota = s.Val t.mu.Unlock() |