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-rw-r--r--vendor/google.golang.org/grpc/call.go232
1 files changed, 0 insertions, 232 deletions
diff --git a/vendor/google.golang.org/grpc/call.go b/vendor/google.golang.org/grpc/call.go
deleted file mode 100644
index 772c817ed..000000000
--- a/vendor/google.golang.org/grpc/call.go
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- *
- * Copyright 2014, Google Inc.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-package grpc
-
-import (
- "bytes"
- "io"
- "math"
- "time"
-
- "golang.org/x/net/context"
- "golang.org/x/net/trace"
- "google.golang.org/grpc/codes"
- "google.golang.org/grpc/transport"
-)
-
-// recvResponse receives and parses an RPC response.
-// On error, it returns the error and indicates whether the call should be retried.
-//
-// TODO(zhaoq): Check whether the received message sequence is valid.
-func recvResponse(dopts dialOptions, t transport.ClientTransport, c *callInfo, stream *transport.Stream, reply interface{}) (err error) {
- // Try to acquire header metadata from the server if there is any.
- defer func() {
- if err != nil {
- if _, ok := err.(transport.ConnectionError); !ok {
- t.CloseStream(stream, err)
- }
- }
- }()
- c.headerMD, err = stream.Header()
- if err != nil {
- return
- }
- p := &parser{r: stream}
- for {
- if err = recv(p, dopts.codec, stream, dopts.dc, reply, math.MaxInt32); err != nil {
- if err == io.EOF {
- break
- }
- return
- }
- }
- c.trailerMD = stream.Trailer()
- return nil
-}
-
-// sendRequest writes out various information of an RPC such as Context and Message.
-func sendRequest(ctx context.Context, codec Codec, compressor Compressor, callHdr *transport.CallHdr, t transport.ClientTransport, args interface{}, opts *transport.Options) (_ *transport.Stream, err error) {
- stream, err := t.NewStream(ctx, callHdr)
- if err != nil {
- return nil, err
- }
- defer func() {
- if err != nil {
- // If err is connection error, t will be closed, no need to close stream here.
- if _, ok := err.(transport.ConnectionError); !ok {
- t.CloseStream(stream, err)
- }
- }
- }()
- var cbuf *bytes.Buffer
- if compressor != nil {
- cbuf = new(bytes.Buffer)
- }
- outBuf, err := encode(codec, args, compressor, cbuf)
- if err != nil {
- return nil, Errorf(codes.Internal, "grpc: %v", err)
- }
- err = t.Write(stream, outBuf, opts)
- // t.NewStream(...) could lead to an early rejection of the RPC (e.g., the service/method
- // does not exist.) so that t.Write could get io.EOF from wait(...). Leave the following
- // recvResponse to get the final status.
- if err != nil && err != io.EOF {
- return nil, err
- }
- // Sent successfully.
- return stream, nil
-}
-
-// Invoke sends the RPC request on the wire and returns after response is received.
-// Invoke is called by generated code. Also users can call Invoke directly when it
-// is really needed in their use cases.
-func Invoke(ctx context.Context, method string, args, reply interface{}, cc *ClientConn, opts ...CallOption) error {
- if cc.dopts.unaryInt != nil {
- return cc.dopts.unaryInt(ctx, method, args, reply, cc, invoke, opts...)
- }
- return invoke(ctx, method, args, reply, cc, opts...)
-}
-
-func invoke(ctx context.Context, method string, args, reply interface{}, cc *ClientConn, opts ...CallOption) (err error) {
- c := defaultCallInfo
- for _, o := range opts {
- if err := o.before(&c); err != nil {
- return toRPCErr(err)
- }
- }
- defer func() {
- for _, o := range opts {
- o.after(&c)
- }
- }()
- if EnableTracing {
- c.traceInfo.tr = trace.New("grpc.Sent."+methodFamily(method), method)
- defer c.traceInfo.tr.Finish()
- c.traceInfo.firstLine.client = true
- if deadline, ok := ctx.Deadline(); ok {
- c.traceInfo.firstLine.deadline = deadline.Sub(time.Now())
- }
- c.traceInfo.tr.LazyLog(&c.traceInfo.firstLine, false)
- // TODO(dsymonds): Arrange for c.traceInfo.firstLine.remoteAddr to be set.
- defer func() {
- if err != nil {
- c.traceInfo.tr.LazyLog(&fmtStringer{"%v", []interface{}{err}}, true)
- c.traceInfo.tr.SetError()
- }
- }()
- }
- topts := &transport.Options{
- Last: true,
- Delay: false,
- }
- for {
- var (
- err error
- t transport.ClientTransport
- stream *transport.Stream
- // Record the put handler from Balancer.Get(...). It is called once the
- // RPC has completed or failed.
- put func()
- )
- // TODO(zhaoq): Need a formal spec of fail-fast.
- callHdr := &transport.CallHdr{
- Host: cc.authority,
- Method: method,
- }
- if cc.dopts.cp != nil {
- callHdr.SendCompress = cc.dopts.cp.Type()
- }
- gopts := BalancerGetOptions{
- BlockingWait: !c.failFast,
- }
- t, put, err = cc.getTransport(ctx, gopts)
- if err != nil {
- // TODO(zhaoq): Probably revisit the error handling.
- if _, ok := err.(*rpcError); ok {
- return err
- }
- if err == errConnClosing || err == errConnUnavailable {
- if c.failFast {
- return Errorf(codes.Unavailable, "%v", err)
- }
- continue
- }
- // All the other errors are treated as Internal errors.
- return Errorf(codes.Internal, "%v", err)
- }
- if c.traceInfo.tr != nil {
- c.traceInfo.tr.LazyLog(&payload{sent: true, msg: args}, true)
- }
- stream, err = sendRequest(ctx, cc.dopts.codec, cc.dopts.cp, callHdr, t, args, topts)
- if err != nil {
- if put != nil {
- put()
- put = nil
- }
- // Retry a non-failfast RPC when
- // i) there is a connection error; or
- // ii) the server started to drain before this RPC was initiated.
- if _, ok := err.(transport.ConnectionError); ok || err == transport.ErrStreamDrain {
- if c.failFast {
- return toRPCErr(err)
- }
- continue
- }
- return toRPCErr(err)
- }
- err = recvResponse(cc.dopts, t, &c, stream, reply)
- if err != nil {
- if put != nil {
- put()
- put = nil
- }
- if _, ok := err.(transport.ConnectionError); ok || err == transport.ErrStreamDrain {
- if c.failFast {
- return toRPCErr(err)
- }
- continue
- }
- return toRPCErr(err)
- }
- if c.traceInfo.tr != nil {
- c.traceInfo.tr.LazyLog(&payload{sent: false, msg: reply}, true)
- }
- t.CloseStream(stream, nil)
- if put != nil {
- put()
- put = nil
- }
- return Errorf(stream.StatusCode(), "%s", stream.StatusDesc())
- }
-}