Revert "update gRPC to pick up data race fix"

This commit is contained in:
Shyam JVS
2017-10-23 13:23:48 +02:00
committed by GitHub
parent 3ae0b84e0b
commit d515f0e3d2
60 changed files with 2416 additions and 6215 deletions

View File

@@ -1,18 +1,33 @@
/*
*
* Copyright 2014 gRPC authors.
* Copyright 2014, Google Inc.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* http://www.apache.org/licenses/LICENSE-2.0
* * 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.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* 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.
*
*/
@@ -25,12 +40,11 @@ import (
"io"
"io/ioutil"
"math"
"sync"
"os"
"time"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
"google.golang.org/grpc/stats"
@@ -46,24 +60,16 @@ type Compressor interface {
Type() string
}
type gzipCompressor struct {
pool sync.Pool
}
// NewGZIPCompressor creates a Compressor based on GZIP.
func NewGZIPCompressor() Compressor {
return &gzipCompressor{
pool: sync.Pool{
New: func() interface{} {
return gzip.NewWriter(ioutil.Discard)
},
},
}
return &gzipCompressor{}
}
type gzipCompressor struct {
}
func (c *gzipCompressor) Do(w io.Writer, p []byte) error {
z := c.pool.Get().(*gzip.Writer)
z.Reset(w)
z := gzip.NewWriter(w)
if _, err := z.Write(p); err != nil {
return err
}
@@ -83,7 +89,6 @@ type Decompressor interface {
}
type gzipDecompressor struct {
pool sync.Pool
}
// NewGZIPDecompressor creates a Decompressor based on GZIP.
@@ -92,26 +97,11 @@ func NewGZIPDecompressor() Decompressor {
}
func (d *gzipDecompressor) Do(r io.Reader) ([]byte, error) {
var z *gzip.Reader
switch maybeZ := d.pool.Get().(type) {
case nil:
newZ, err := gzip.NewReader(r)
if err != nil {
return nil, err
}
z = newZ
case *gzip.Reader:
z = maybeZ
if err := z.Reset(r); err != nil {
d.pool.Put(z)
return nil, err
}
z, err := gzip.NewReader(r)
if err != nil {
return nil, err
}
defer func() {
z.Close()
d.pool.Put(z)
}()
defer z.Close()
return ioutil.ReadAll(z)
}
@@ -121,14 +111,11 @@ func (d *gzipDecompressor) Type() string {
// callInfo contains all related configuration and information about an RPC.
type callInfo struct {
failFast bool
headerMD metadata.MD
trailerMD metadata.MD
peer *peer.Peer
traceInfo traceInfo // in trace.go
maxReceiveMessageSize *int
maxSendMessageSize *int
creds credentials.PerRPCCredentials
failFast bool
headerMD metadata.MD
trailerMD metadata.MD
peer *peer.Peer
traceInfo traceInfo // in trace.go
}
var defaultCallInfo = callInfo{failFast: true}
@@ -145,14 +132,6 @@ type CallOption interface {
after(*callInfo)
}
// EmptyCallOption does not alter the Call configuration.
// It can be embedded in another structure to carry satellite data for use
// by interceptors.
type EmptyCallOption struct{}
func (EmptyCallOption) before(*callInfo) error { return nil }
func (EmptyCallOption) after(*callInfo) {}
type beforeCall func(c *callInfo) error
func (o beforeCall) before(c *callInfo) error { return o(c) }
@@ -194,8 +173,7 @@ func Peer(peer *peer.Peer) CallOption {
// immediately. Otherwise, the RPC client will block the call until a
// connection is available (or the call is canceled or times out) and will retry
// the call if it fails due to a transient error. Please refer to
// https://github.com/grpc/grpc/blob/master/doc/wait-for-ready.md.
// Note: failFast is default to true.
// https://github.com/grpc/grpc/blob/master/doc/fail_fast.md. Note: failFast is default to true.
func FailFast(failFast bool) CallOption {
return beforeCall(func(c *callInfo) error {
c.failFast = failFast
@@ -203,31 +181,6 @@ func FailFast(failFast bool) CallOption {
})
}
// MaxCallRecvMsgSize returns a CallOption which sets the maximum message size the client can receive.
func MaxCallRecvMsgSize(s int) CallOption {
return beforeCall(func(o *callInfo) error {
o.maxReceiveMessageSize = &s
return nil
})
}
// MaxCallSendMsgSize returns a CallOption which sets the maximum message size the client can send.
func MaxCallSendMsgSize(s int) CallOption {
return beforeCall(func(o *callInfo) error {
o.maxSendMessageSize = &s
return nil
})
}
// PerRPCCredentials returns a CallOption that sets credentials.PerRPCCredentials
// for a call.
func PerRPCCredentials(creds credentials.PerRPCCredentials) CallOption {
return beforeCall(func(c *callInfo) error {
c.creds = creds
return nil
})
}
// The format of the payload: compressed or not?
type payloadFormat uint8
@@ -244,7 +197,7 @@ type parser struct {
r io.Reader
// The header of a gRPC message. Find more detail
// at https://grpc.io/docs/guides/wire.html.
// at http://www.grpc.io/docs/guides/wire.html.
header [5]byte
}
@@ -261,8 +214,8 @@ type parser struct {
// No other error values or types must be returned, which also means
// that the underlying io.Reader must not return an incompatible
// error.
func (p *parser) recvMsg(maxReceiveMessageSize int) (pf payloadFormat, msg []byte, err error) {
if _, err := p.r.Read(p.header[:]); err != nil {
func (p *parser) recvMsg(maxMsgSize int) (pf payloadFormat, msg []byte, err error) {
if _, err := io.ReadFull(p.r, p.header[:]); err != nil {
return 0, nil, err
}
@@ -272,13 +225,13 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (pf payloadFormat, msg []byt
if length == 0 {
return pf, nil, nil
}
if length > uint32(maxReceiveMessageSize) {
return 0, nil, Errorf(codes.ResourceExhausted, "grpc: received message larger than max (%d vs. %d)", length, maxReceiveMessageSize)
if length > uint32(maxMsgSize) {
return 0, nil, Errorf(codes.Internal, "grpc: received message length %d exceeding the max size %d", length, maxMsgSize)
}
// TODO(bradfitz,zhaoq): garbage. reuse buffer after proto decoding instead
// of making it for each message:
msg = make([]byte, int(length))
if _, err := p.r.Read(msg); err != nil {
if _, err := io.ReadFull(p.r, msg); err != nil {
if err == io.EOF {
err = io.ErrUnexpectedEOF
}
@@ -299,7 +252,7 @@ func encode(c Codec, msg interface{}, cp Compressor, cbuf *bytes.Buffer, outPayl
// TODO(zhaoq): optimize to reduce memory alloc and copying.
b, err = c.Marshal(msg)
if err != nil {
return nil, Errorf(codes.Internal, "grpc: error while marshaling: %v", err.Error())
return nil, err
}
if outPayload != nil {
outPayload.Payload = msg
@@ -309,14 +262,14 @@ func encode(c Codec, msg interface{}, cp Compressor, cbuf *bytes.Buffer, outPayl
}
if cp != nil {
if err := cp.Do(cbuf, b); err != nil {
return nil, Errorf(codes.Internal, "grpc: error while compressing: %v", err.Error())
return nil, err
}
b = cbuf.Bytes()
}
length = uint(len(b))
}
if length > math.MaxUint32 {
return nil, Errorf(codes.ResourceExhausted, "grpc: message too large (%d bytes)", length)
return nil, Errorf(codes.InvalidArgument, "grpc: message too large (%d bytes)", length)
}
const (
@@ -357,8 +310,8 @@ func checkRecvPayload(pf payloadFormat, recvCompress string, dc Decompressor) er
return nil
}
func recv(p *parser, c Codec, s *transport.Stream, dc Decompressor, m interface{}, maxReceiveMessageSize int, inPayload *stats.InPayload) error {
pf, d, err := p.recvMsg(maxReceiveMessageSize)
func recv(p *parser, c Codec, s *transport.Stream, dc Decompressor, m interface{}, maxMsgSize int, inPayload *stats.InPayload) error {
pf, d, err := p.recvMsg(maxMsgSize)
if err != nil {
return err
}
@@ -374,10 +327,10 @@ func recv(p *parser, c Codec, s *transport.Stream, dc Decompressor, m interface{
return Errorf(codes.Internal, "grpc: failed to decompress the received message %v", err)
}
}
if len(d) > maxReceiveMessageSize {
if len(d) > maxMsgSize {
// TODO: Revisit the error code. Currently keep it consistent with java
// implementation.
return Errorf(codes.ResourceExhausted, "grpc: received message larger than max (%d vs. %d)", len(d), maxReceiveMessageSize)
return Errorf(codes.Internal, "grpc: received a message of %d bytes exceeding %d limit", len(d), maxMsgSize)
}
if err := c.Unmarshal(d, m); err != nil {
return Errorf(codes.Internal, "grpc: failed to unmarshal the received message %v", err)
@@ -445,6 +398,57 @@ func Errorf(c codes.Code, format string, a ...interface{}) error {
return status.Errorf(c, format, a...)
}
// toRPCErr converts an error into an error from the status package.
func toRPCErr(err error) error {
if _, ok := status.FromError(err); ok {
return err
}
switch e := err.(type) {
case transport.StreamError:
return status.Error(e.Code, e.Desc)
case transport.ConnectionError:
return status.Error(codes.Internal, e.Desc)
default:
switch err {
case context.DeadlineExceeded:
return status.Error(codes.DeadlineExceeded, err.Error())
case context.Canceled:
return status.Error(codes.Canceled, err.Error())
case ErrClientConnClosing:
return status.Error(codes.FailedPrecondition, err.Error())
}
}
return status.Error(codes.Unknown, err.Error())
}
// convertCode converts a standard Go error into its canonical code. Note that
// this is only used to translate the error returned by the server applications.
func convertCode(err error) codes.Code {
switch err {
case nil:
return codes.OK
case io.EOF:
return codes.OutOfRange
case io.ErrClosedPipe, io.ErrNoProgress, io.ErrShortBuffer, io.ErrShortWrite, io.ErrUnexpectedEOF:
return codes.FailedPrecondition
case os.ErrInvalid:
return codes.InvalidArgument
case context.Canceled:
return codes.Canceled
case context.DeadlineExceeded:
return codes.DeadlineExceeded
}
switch {
case os.IsExist(err):
return codes.AlreadyExists
case os.IsNotExist(err):
return codes.NotFound
case os.IsPermission(err):
return codes.PermissionDenied
}
return codes.Unknown
}
// MethodConfig defines the configuration recommended by the service providers for a
// particular method.
// This is EXPERIMENTAL and subject to change.
@@ -452,22 +456,24 @@ type MethodConfig struct {
// WaitForReady indicates whether RPCs sent to this method should wait until
// the connection is ready by default (!failfast). The value specified via the
// gRPC client API will override the value set here.
WaitForReady *bool
WaitForReady bool
// Timeout is the default timeout for RPCs sent to this method. The actual
// deadline used will be the minimum of the value specified here and the value
// set by the application via the gRPC client API. If either one is not set,
// then the other will be used. If neither is set, then the RPC has no deadline.
Timeout *time.Duration
Timeout time.Duration
// MaxReqSize is the maximum allowed payload size for an individual request in a
// stream (client->server) in bytes. The size which is measured is the serialized
// payload after per-message compression (but before stream compression) in bytes.
// The actual value used is the minumum of the value specified here and the value set
// by the application via the gRPC client API. If either one is not set, then the other
// will be used. If neither is set, then the built-in default is used.
MaxReqSize *int
// TODO: support this.
MaxReqSize uint32
// MaxRespSize is the maximum allowed payload size for an individual response in a
// stream (server->client) in bytes.
MaxRespSize *int
// TODO: support this.
MaxRespSize uint32
}
// ServiceConfig is provided by the service provider and contains parameters for how
@@ -478,38 +484,9 @@ type ServiceConfig struct {
// via grpc.WithBalancer will override this.
LB Balancer
// Methods contains a map for the methods in this service.
// If there is an exact match for a method (i.e. /service/method) in the map, use the corresponding MethodConfig.
// If there's no exact match, look for the default config for the service (/service/) and use the corresponding MethodConfig if it exists.
// Otherwise, the method has no MethodConfig to use.
Methods map[string]MethodConfig
}
func min(a, b *int) *int {
if *a < *b {
return a
}
return b
}
func getMaxSize(mcMax, doptMax *int, defaultVal int) *int {
if mcMax == nil && doptMax == nil {
return &defaultVal
}
if mcMax != nil && doptMax != nil {
return min(mcMax, doptMax)
}
if mcMax != nil {
return mcMax
}
return doptMax
}
// SupportPackageIsVersion3 is referenced from generated protocol buffer files.
// The latest support package version is 4.
// SupportPackageIsVersion3 is kept for compability. It will be removed in the
// next support package version update.
const SupportPackageIsVersion3 = true
// SupportPackageIsVersion4 is referenced from generated protocol buffer files
// to assert that that code is compatible with this version of the grpc package.
//
@@ -519,6 +496,6 @@ const SupportPackageIsVersion3 = true
const SupportPackageIsVersion4 = true
// Version is the current grpc version.
const Version = "1.5.2"
const Version = "1.3.0"
const grpcUA = "grpc-go/" + Version