mudhorn/prometheus
1
0
Fork 0
mirror of https://github.com/prometheus/prometheus.git synced 2024-09-20 07:47:31 -07:00
Code Issues Actions 5 Packages Projects Releases Wiki Activity

Merge pull request #7621 from codesome/downgrade-grpc

Browse source 
Downgrade grpc to v1.29.1
This commit is contained in:
Björn Rabenstein 2020-07-20 18:25:58 +02:00 committed by GitHub
parent d6763acd60 26044045b9
commit f762a9ec77
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
47 changed files with 1927 additions and 930 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
go.mod
View file

@ -73,8 +73,7 @@ require (
google.golang.org/api v0.29.0
google.golang.org/appengine v1.6.6 // indirect
google.golang.org/genproto v0.0.0-20200710124503-20a17af7bd0e
google.golang.org/grpc v1.30.0
google.golang.org/grpc/examples v0.0.0-20200709232328-d8193ee9cc3e // indirect
google.golang.org/grpc v1.29.1
gopkg.in/alecthomas/kingpin.v2 v2.2.6
gopkg.in/fsnotify/fsnotify.v1 v1.4.7
gopkg.in/yaml.v2 v2.3.0

5
go.sum
View file

@ -1047,7 +1047,6 @@ google.golang.org/genproto v0.0.0-20200224152610-e50cd9704f63/go.mod h1:55QSHmfG
google.golang.org/genproto v0.0.0-20200331122359-1ee6d9798940/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
google.golang.org/genproto v0.0.0-20200624020401-64a14ca9d1ad/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/genproto v0.0.0-20200710124503-20a17af7bd0e h1:k+p/u26/lVeNEpdxSeUrm7rTvoFckBKaf7gTzgmHyDA=
google.golang.org/genproto v0.0.0-20200710124503-20a17af7bd0e/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
@ -1066,10 +1065,6 @@ google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
google.golang.org/grpc v1.29.1 h1:EC2SB8S04d2r73uptxphDSUG+kTKVgjRPF+N3xpxRB4=
google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
google.golang.org/grpc v1.30.0 h1:M5a8xTlYTxwMn5ZFkwhRabsygDY5G8TYLyQDBxJNAxE=
google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
google.golang.org/grpc/examples v0.0.0-20200709232328-d8193ee9cc3e h1:tuHx6wYnoo8d6qsj412WfxUOmuMrxsvfFMgG8NyM+1Y=
google.golang.org/grpc/examples v0.0.0-20200709232328-d8193ee9cc3e/go.mod h1:5j1uub0jRGhRiSghIlrThmBUgcgLXOVJQ/l1getT4uo=
google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=

22
vendor/google.golang.org/grpc/.travis.yml generated vendored
View file

@ -2,20 +2,20 @@ language: go
matrix:
include:
- go: 1.14.x
env: VET=1 GO111MODULE=on
- go: 1.14.x
env: RACE=1 GO111MODULE=on
- go: 1.14.x
env: RUN386=1
- go: 1.14.x
env: GRPC_GO_RETRY=on
- go: 1.14.x
env: TESTEXTRAS=1
- go: 1.13.x
env: GO111MODULE=on
env: VET=1 GO111MODULE=on
- go: 1.13.x
env: RACE=1 GO111MODULE=on
- go: 1.13.x
env: RUN386=1
- go: 1.13.x
env: GRPC_GO_RETRY=on
- go: 1.13.x
env: TESTEXTRAS=1
- go: 1.12.x
env: GO111MODULE=on
- go: 1.11.x
env: GO111MODULE=on
- go: 1.9.x
env: GAE=1

5
vendor/google.golang.org/grpc/README.md generated vendored
View file

@ -7,7 +7,7 @@
The Go implementation of [gRPC](https://grpc.io/): A high performance, open
source, general RPC framework that puts mobile and HTTP/2 first. For more
information see the [gRPC Quick Start:
Go](https://grpc.io/docs/languages/go/quickstart/) guide.
Go](https://grpc.io/docs/quickstart/go.html) guide.
Installation
------------
@ -29,8 +29,7 @@ If you are trying to access grpc-go from within China, please see the
Prerequisites
-------------
gRPC-Go officially supports the
[three latest major releases of Go](https://golang.org/doc/devel/release.html).
gRPC-Go requires Go 1.9 or later.
Documentation
-------------

6
vendor/google.golang.org/grpc/attributes/attributes.go generated vendored
View file

@ -50,9 +50,6 @@ func New(kvs ...interface{}) *Attributes {
// times, the last value overwrites all previous values for that key. To
// remove an existing key, use a nil value.
func (a *Attributes) WithValues(kvs ...interface{}) *Attributes {
if a == nil {
return New(kvs...)
}
if len(kvs)%2 != 0 {
panic(fmt.Sprintf("attributes.New called with unexpected input: len(kvs) = %v", len(kvs)))
}
@ -69,8 +66,5 @@ func (a *Attributes) WithValues(kvs ...interface{}) *Attributes {
// Value returns the value associated with these attributes for key, or nil if
// no value is associated with key.
func (a *Attributes) Value(key interface{}) interface{} {
if a == nil {
return nil
}
return a.m[key]
}

391
vendor/google.golang.org/grpc/balancer.go generated vendored Normal file
View file

@ -0,0 +1,391 @@
/*
*
* Copyright 2016 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
package grpc
import (
"context"
"net"
"sync"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/naming"
"google.golang.org/grpc/status"
)
// Address represents a server the client connects to.
//
// Deprecated: please use package balancer.
type Address struct {
// Addr is the server address on which a connection will be established.
Addr string
// Metadata is the information associated with Addr, which may be used
// to make load balancing decision.
Metadata interface{}
}
// BalancerConfig specifies the configurations for Balancer.
//
// Deprecated: please use package balancer. May be removed in a future 1.x release.
type BalancerConfig struct {
// DialCreds is the transport credential the Balancer implementation can
// use to dial to a remote load balancer server. The Balancer implementations
// can ignore this if it does not need to talk to another party securely.
DialCreds credentials.TransportCredentials
// Dialer is the custom dialer the Balancer implementation can use to dial
// to a remote load balancer server. The Balancer implementations
// can ignore this if it doesn't need to talk to remote balancer.
Dialer func(context.Context, string) (net.Conn, error)
}
// BalancerGetOptions configures a Get call.
//
// Deprecated: please use package balancer. May be removed in a future 1.x release.
type BalancerGetOptions struct {
// BlockingWait specifies whether Get should block when there is no
// connected address.
BlockingWait bool
}
// Balancer chooses network addresses for RPCs.
//
// Deprecated: please use package balancer. May be removed in a future 1.x release.
type Balancer interface {
// Start does the initialization work to bootstrap a Balancer. For example,
// this function may start the name resolution and watch the updates. It will
// be called when dialing.
Start(target string, config BalancerConfig) error
// Up informs the Balancer that gRPC has a connection to the server at
// addr. It returns down which is called once the connection to addr gets
// lost or closed.
// TODO: It is not clear how to construct and take advantage of the meaningful error
// parameter for down. Need realistic demands to guide.
Up(addr Address) (down func(error))
// Get gets the address of a server for the RPC corresponding to ctx.
// i) If it returns a connected address, gRPC internals issues the RPC on the
// connection to this address;
// ii) If it returns an address on which the connection is under construction
// (initiated by Notify(...)) but not connected, gRPC internals
// * fails RPC if the RPC is fail-fast and connection is in the TransientFailure or
// Shutdown state;
// or
// * issues RPC on the connection otherwise.
// iii) If it returns an address on which the connection does not exist, gRPC
// internals treats it as an error and will fail the corresponding RPC.
//
// Therefore, the following is the recommended rule when writing a custom Balancer.
// If opts.BlockingWait is true, it should return a connected address or
// block if there is no connected address. It should respect the timeout or
// cancellation of ctx when blocking. If opts.BlockingWait is false (for fail-fast
// RPCs), it should return an address it has notified via Notify(...) immediately
// instead of blocking.
//
// The function returns put which is called once the rpc has completed or failed.
// put can collect and report RPC stats to a remote load balancer.
//
// This function should only return the errors Balancer cannot recover by itself.
// gRPC internals will fail the RPC if an error is returned.
Get(ctx context.Context, opts BalancerGetOptions) (addr Address, put func(), err error)
// Notify returns a channel that is used by gRPC internals to watch the addresses
// gRPC needs to connect. The addresses might be from a name resolver or remote
// load balancer. gRPC internals will compare it with the existing connected
// addresses. If the address Balancer notified is not in the existing connected
// addresses, gRPC starts to connect the address. If an address in the existing
// connected addresses is not in the notification list, the corresponding connection
// is shutdown gracefully. Otherwise, there are no operations to take. Note that
// the Address slice must be the full list of the Addresses which should be connected.
// It is NOT delta.
Notify() <-chan []Address
// Close shuts down the balancer.
Close() error
}
// RoundRobin returns a Balancer that selects addresses round-robin. It uses r to watch
// the name resolution updates and updates the addresses available correspondingly.
//
// Deprecated: please use package balancer/roundrobin. May be removed in a future 1.x release.
func RoundRobin(r naming.Resolver) Balancer {
return &roundRobin{r: r}
}
type addrInfo struct {
addr Address
connected bool
}
type roundRobin struct {
r naming.Resolver
w naming.Watcher
addrs []*addrInfo // all the addresses the client should potentially connect
mu sync.Mutex
addrCh chan []Address // the channel to notify gRPC internals the list of addresses the client should connect to.
next int // index of the next address to return for Get()
waitCh chan struct{} // the channel to block when there is no connected address available
done bool // The Balancer is closed.
}
func (rr *roundRobin) watchAddrUpdates() error {
updates, err := rr.w.Next()
if err != nil {
grpclog.Warningf("grpc: the naming watcher stops working due to %v.", err)
return err
}
rr.mu.Lock()
defer rr.mu.Unlock()
for _, update := range updates {
addr := Address{
Addr: update.Addr,
Metadata: update.Metadata,
}
switch update.Op {
case naming.Add:
var exist bool
for _, v := range rr.addrs {
if addr == v.addr {
exist = true
grpclog.Infoln("grpc: The name resolver wanted to add an existing address: ", addr)
break
}
}
if exist {
continue
}
rr.addrs = append(rr.addrs, &addrInfo{addr: addr})
case naming.Delete:
for i, v := range rr.addrs {
if addr == v.addr {
copy(rr.addrs[i:], rr.addrs[i+1:])
rr.addrs = rr.addrs[:len(rr.addrs)-1]
break
}
}
default:
grpclog.Errorln("Unknown update.Op ", update.Op)
}
}
// Make a copy of rr.addrs and write it onto rr.addrCh so that gRPC internals gets notified.
open := make([]Address, len(rr.addrs))
for i, v := range rr.addrs {
open[i] = v.addr
}
if rr.done {
return ErrClientConnClosing
}
select {
case <-rr.addrCh:
default:
}
rr.addrCh <- open
return nil
}
func (rr *roundRobin) Start(target string, config BalancerConfig) error {
rr.mu.Lock()
defer rr.mu.Unlock()
if rr.done {
return ErrClientConnClosing
}
if rr.r == nil {
// If there is no name resolver installed, it is not needed to
// do name resolution. In this case, target is added into rr.addrs
// as the only address available and rr.addrCh stays nil.
rr.addrs = append(rr.addrs, &addrInfo{addr: Address{Addr: target}})
return nil
}
w, err := rr.r.Resolve(target)
if err != nil {
return err
}
rr.w = w
rr.addrCh = make(chan []Address, 1)
go func() {
for {
if err := rr.watchAddrUpdates(); err != nil {
return
}
}
}()
return nil
}
// Up sets the connected state of addr and sends notification if there are pending
// Get() calls.
func (rr *roundRobin) Up(addr Address) func(error) {
rr.mu.Lock()
defer rr.mu.Unlock()
var cnt int
for _, a := range rr.addrs {
if a.addr == addr {
if a.connected {
return nil
}
a.connected = true
}
if a.connected {
cnt++
}
}
// addr is only one which is connected. Notify the Get() callers who are blocking.
if cnt == 1 && rr.waitCh != nil {
close(rr.waitCh)
rr.waitCh = nil
}
return func(err error) {
rr.down(addr, err)
}
}
// down unsets the connected state of addr.
func (rr *roundRobin) down(addr Address, err error) {
rr.mu.Lock()
defer rr.mu.Unlock()
for _, a := range rr.addrs {
if addr == a.addr {
a.connected = false
break
}
}
}
// Get returns the next addr in the rotation.
func (rr *roundRobin) Get(ctx context.Context, opts BalancerGetOptions) (addr Address, put func(), err error) {
var ch chan struct{}
rr.mu.Lock()
if rr.done {
rr.mu.Unlock()
err = ErrClientConnClosing
return
}
if len(rr.addrs) > 0 {
if rr.next >= len(rr.addrs) {
rr.next = 0
}
next := rr.next
for {
a := rr.addrs[next]
next = (next + 1) % len(rr.addrs)
if a.connected {
addr = a.addr
rr.next = next
rr.mu.Unlock()
return
}
if next == rr.next {
// Has iterated all the possible address but none is connected.
break
}
}
}
if !opts.BlockingWait {
if len(rr.addrs) == 0 {
rr.mu.Unlock()
err = status.Errorf(codes.Unavailable, "there is no address available")
return
}
// Returns the next addr on rr.addrs for failfast RPCs.
addr = rr.addrs[rr.next].addr
rr.next++
rr.mu.Unlock()
return
}
// Wait on rr.waitCh for non-failfast RPCs.
if rr.waitCh == nil {
ch = make(chan struct{})
rr.waitCh = ch
} else {
ch = rr.waitCh
}
rr.mu.Unlock()
for {
select {
case <-ctx.Done():
err = ctx.Err()
return
case <-ch:
rr.mu.Lock()
if rr.done {
rr.mu.Unlock()
err = ErrClientConnClosing
return
}
if len(rr.addrs) > 0 {
if rr.next >= len(rr.addrs) {
rr.next = 0
}
next := rr.next
for {
a := rr.addrs[next]
next = (next + 1) % len(rr.addrs)
if a.connected {
addr = a.addr
rr.next = next
rr.mu.Unlock()
return
}
if next == rr.next {
// Has iterated all the possible address but none is connected.
break
}
}
}
// The newly added addr got removed by Down() again.
if rr.waitCh == nil {
ch = make(chan struct{})
rr.waitCh = ch
} else {
ch = rr.waitCh
}
rr.mu.Unlock()
}
}
}
func (rr *roundRobin) Notify() <-chan []Address {
return rr.addrCh
}
func (rr *roundRobin) Close() error {
rr.mu.Lock()
defer rr.mu.Unlock()
if rr.done {
return errBalancerClosed
}
rr.done = true
if rr.w != nil {
rr.w.Close()
}
if rr.waitCh != nil {
close(rr.waitCh)
rr.waitCh = nil
}
if rr.addrCh != nil {
close(rr.addrCh)
}
return nil
}
// pickFirst is used to test multi-addresses in one addrConn in which all addresses share the same addrConn.
// It is a wrapper around roundRobin balancer. The logic of all methods works fine because balancer.Get()
// returns the only address Up by resetTransport().
type pickFirst struct {
*roundRobin
}

172
vendor/google.golang.org/grpc/balancer/balancer.go generated vendored
View file

@ -111,9 +111,6 @@ type NewSubConnOptions struct {
// CredsBundle is the credentials bundle that will be used in the created
// SubConn. If it's nil, the original creds from grpc DialOptions will be
// used.
//
// Deprecated: Use the Attributes field in resolver.Address to pass
// arbitrary data to the credential handshaker.
CredsBundle credentials.Bundle
// HealthCheckEnabled indicates whether health check service should be
// enabled on this SubConn
@ -126,7 +123,7 @@ type State struct {
// determine the state of the ClientConn.
ConnectivityState connectivity.State
// Picker is used to choose connections (SubConns) for RPCs.
Picker Picker
Picker V2Picker
}
// ClientConn represents a gRPC ClientConn.
@ -144,11 +141,20 @@ type ClientConn interface {
// The SubConn will be shutdown.
RemoveSubConn(SubConn)
// UpdateBalancerState is called by balancer to notify gRPC that some internal
// state in balancer has changed.
//
// gRPC will update the connectivity state of the ClientConn, and will call pick
// on the new picker to pick new SubConn.
//
// Deprecated: use UpdateState instead
UpdateBalancerState(s connectivity.State, p Picker)
// UpdateState notifies gRPC that the balancer's internal state has
// changed.
//
// gRPC will update the connectivity state of the ClientConn, and will call
// Pick on the new Picker to pick new SubConns.
// gRPC will update the connectivity state of the ClientConn, and will call pick
// on the new picker to pick new SubConns.
UpdateState(State)
// ResolveNow is called by balancer to notify gRPC to do a name resolving.
@ -226,17 +232,56 @@ type DoneInfo struct {
var (
// ErrNoSubConnAvailable indicates no SubConn is available for pick().
// gRPC will block the RPC until a new picker is available via UpdateState().
// gRPC will block the RPC until a new picker is available via UpdateBalancerState().
ErrNoSubConnAvailable = errors.New("no SubConn is available")
// ErrTransientFailure indicates all SubConns are in TransientFailure.
// WaitForReady RPCs will block, non-WaitForReady RPCs will fail.
//
// Deprecated: return an appropriate error based on the last resolution or
// connection attempt instead. The behavior is the same for any non-gRPC
// status error.
ErrTransientFailure = errors.New("all SubConns are in TransientFailure")
ErrTransientFailure = TransientFailureError(errors.New("all SubConns are in TransientFailure"))
)
// Picker is used by gRPC to pick a SubConn to send an RPC.
// Balancer is expected to generate a new picker from its snapshot every time its
// internal state has changed.
//
// The pickers used by gRPC can be updated by ClientConn.UpdateBalancerState().
//
// Deprecated: use V2Picker instead
type Picker interface {
// Pick returns the SubConn to be used to send the RPC.
// The returned SubConn must be one returned by NewSubConn().
//
// This functions is expected to return:
// - a SubConn that is known to be READY;
// - ErrNoSubConnAvailable if no SubConn is available, but progress is being
// made (for example, some SubConn is in CONNECTING mode);
// - other errors if no active connecting is happening (for example, all SubConn
// are in TRANSIENT_FAILURE mode).
//
// If a SubConn is returned:
// - If it is READY, gRPC will send the RPC on it;
// - If it is not ready, or becomes not ready after it's returned, gRPC will
// block until UpdateBalancerState() is called and will call pick on the
// new picker. The done function returned from Pick(), if not nil, will be
// called with nil error, no bytes sent and no bytes received.
//
// If the returned error is not nil:
// - If the error is ErrNoSubConnAvailable, gRPC will block until UpdateBalancerState()
// - If the error is ErrTransientFailure or implements IsTransientFailure()
// bool, returning true:
// - If the RPC is wait-for-ready, gRPC will block until UpdateBalancerState()
// is called to pick again;
// - Otherwise, RPC will fail with unavailable error.
// - Else (error is other non-nil error):
// - The RPC will fail with the error's status code, or Unknown if it is
// not a status error.
//
// The returned done() function will be called once the rpc has finished,
// with the final status of that RPC. If the SubConn returned is not a
// valid SubConn type, done may not be called. done may be nil if balancer
// doesn't care about the RPC status.
Pick(ctx context.Context, info PickInfo) (conn SubConn, done func(DoneInfo), err error)
}
// PickResult contains information related to a connection chosen for an RPC.
type PickResult struct {
// SubConn is the connection to use for this pick, if its state is Ready.
@ -252,19 +297,24 @@ type PickResult struct {
Done func(DoneInfo)
}
// TransientFailureError returns e. It exists for backward compatibility and
// will be deleted soon.
//
// Deprecated: no longer necessary, picker errors are treated this way by
// default.
func TransientFailureError(e error) error { return e }
type transientFailureError struct {
error
}
// Picker is used by gRPC to pick a SubConn to send an RPC.
func (e *transientFailureError) IsTransientFailure() bool { return true }
// TransientFailureError wraps err in an error implementing
// IsTransientFailure() bool, returning true.
func TransientFailureError(err error) error {
return &transientFailureError{error: err}
}
// V2Picker is used by gRPC to pick a SubConn to send an RPC.
// Balancer is expected to generate a new picker from its snapshot every time its
// internal state has changed.
//
// The pickers used by gRPC can be updated by ClientConn.UpdateState().
type Picker interface {
// The pickers used by gRPC can be updated by ClientConn.UpdateBalancerState().
type V2Picker interface {
// Pick returns the connection to use for this RPC and related information.
//
// Pick should not block. If the balancer needs to do I/O or any blocking
@ -277,13 +327,14 @@ type Picker interface {
// - If the error is ErrNoSubConnAvailable, gRPC will block until a new
// Picker is provided by the balancer (using ClientConn.UpdateState).
//
// - If the error is a status error (implemented by the grpc/status
// package), gRPC will terminate the RPC with the code and message
// provided.
// - If the error implements IsTransientFailure() bool, returning true,
// wait for ready RPCs will wait, but non-wait for ready RPCs will be
// terminated with this error's Error() string and status code
// Unavailable.
//
// - For all other errors, wait for ready RPCs will wait, but non-wait for
// ready RPCs will be terminated with this error's Error() string and
// status code Unavailable.
// - Any other errors terminate all RPCs with the code and message
// provided. If the error is not a status error, it will be converted by
// gRPC to a status error with code Unknown.
Pick(info PickInfo) (PickResult, error)
}
@ -292,36 +343,34 @@ type Picker interface {
//
// It also generates and updates the Picker used by gRPC to pick SubConns for RPCs.
//
// UpdateClientConnState, ResolverError, UpdateSubConnState, and Close are
// guaranteed to be called synchronously from the same goroutine. There's no
// guarantee on picker.Pick, it may be called anytime.
// HandleSubConnectionStateChange, HandleResolvedAddrs and Close are guaranteed
// to be called synchronously from the same goroutine.
// There's no guarantee on picker.Pick, it may be called anytime.
type Balancer interface {
// UpdateClientConnState is called by gRPC when the state of the ClientConn
// changes. If the error returned is ErrBadResolverState, the ClientConn
// will begin calling ResolveNow on the active name resolver with
// exponential backoff until a subsequent call to UpdateClientConnState
// returns a nil error. Any other errors are currently ignored.
UpdateClientConnState(ClientConnState) error
// ResolverError is called by gRPC when the name resolver reports an error.
ResolverError(error)
// UpdateSubConnState is called by gRPC when the state of a SubConn
// changes.
UpdateSubConnState(SubConn, SubConnState)
// HandleSubConnStateChange is called by gRPC when the connectivity state
// of sc has changed.
// Balancer is expected to aggregate all the state of SubConn and report
// that back to gRPC.
// Balancer should also generate and update Pickers when its internal state has
// been changed by the new state.
//
// Deprecated: if V2Balancer is implemented by the Balancer,
// UpdateSubConnState will be called instead.
HandleSubConnStateChange(sc SubConn, state connectivity.State)
// HandleResolvedAddrs is called by gRPC to send updated resolved addresses to
// balancers.
// Balancer can create new SubConn or remove SubConn with the addresses.
// An empty address slice and a non-nil error will be passed if the resolver returns
// non-nil error to gRPC.
//
// Deprecated: if V2Balancer is implemented by the Balancer,
// UpdateClientConnState will be called instead.
HandleResolvedAddrs([]resolver.Address, error)
// Close closes the balancer. The balancer is not required to call
// ClientConn.RemoveSubConn for its existing SubConns.
Close()
}
// V2Balancer is temporarily defined for backward compatibility reasons.
//
// Deprecated: use Balancer directly instead.
type V2Balancer = Balancer
// V2Picker is temporarily defined for backward compatibility reasons.
//
// Deprecated: use Picker directly instead.
type V2Picker = Picker
// SubConnState describes the state of a SubConn.
type SubConnState struct {
// ConnectivityState is the connectivity state of the SubConn.
@ -344,6 +393,27 @@ type ClientConnState struct {
// problem with the provided name resolver data.
var ErrBadResolverState = errors.New("bad resolver state")
// V2Balancer is defined for documentation purposes. If a Balancer also
// implements V2Balancer, its UpdateClientConnState method will be called
// instead of HandleResolvedAddrs and its UpdateSubConnState will be called
// instead of HandleSubConnStateChange.
type V2Balancer interface {
// UpdateClientConnState is called by gRPC when the state of the ClientConn
// changes. If the error returned is ErrBadResolverState, the ClientConn
// will begin calling ResolveNow on the active name resolver with
// exponential backoff until a subsequent call to UpdateClientConnState
// returns a nil error. Any other errors are currently ignored.
UpdateClientConnState(ClientConnState) error
// ResolverError is called by gRPC when the name resolver reports an error.
ResolverError(error)
// UpdateSubConnState is called by gRPC when the state of a SubConn
// changes.
UpdateSubConnState(SubConn, SubConnState)
// Close closes the balancer. The balancer is not required to call
// ClientConn.RemoveSubConn for its existing SubConns.
Close()
}
// ConnectivityStateEvaluator takes the connectivity states of multiple SubConns
// and returns one aggregated connectivity state.
//

77
vendor/google.golang.org/grpc/balancer/base/balancer.go generated vendored
View file

@ -19,6 +19,7 @@
package base
import (
"context"
"errors"
"fmt"
@ -31,6 +32,7 @@ import (
type baseBuilder struct {
name string
pickerBuilder PickerBuilder
v2PickerBuilder V2PickerBuilder
config Config
}
@ -38,6 +40,7 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions)
bal := &baseBalancer{
cc: cc,
pickerBuilder: bb.pickerBuilder,
v2PickerBuilder: bb.v2PickerBuilder,
subConns: make(map[resolver.Address]balancer.SubConn),
scStates: make(map[balancer.SubConn]connectivity.State),
@ -47,7 +50,11 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions)
// Initialize picker to a picker that always returns
// ErrNoSubConnAvailable, because when state of a SubConn changes, we
// may call UpdateState with this picker.
if bb.pickerBuilder != nil {
bal.picker = NewErrPicker(balancer.ErrNoSubConnAvailable)
} else {
bal.v2Picker = NewErrPickerV2(balancer.ErrNoSubConnAvailable)
}
return bal
}
@ -55,9 +62,12 @@ func (bb *baseBuilder) Name() string {
return bb.name
}
var _ balancer.V2Balancer = (*baseBalancer)(nil) // Assert that we implement V2Balancer
type baseBalancer struct {
cc balancer.ClientConn
pickerBuilder PickerBuilder
v2PickerBuilder V2PickerBuilder
csEvltr *balancer.ConnectivityStateEvaluator
state connectivity.State
@ -65,31 +75,40 @@ type baseBalancer struct {
subConns map[resolver.Address]balancer.SubConn
scStates map[balancer.SubConn]connectivity.State
picker balancer.Picker
v2Picker balancer.V2Picker
config Config
resolverErr error // the last error reported by the resolver; cleared on successful resolution
connErr error // the last connection error; cleared upon leaving TransientFailure
}
func (b *baseBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
panic("not implemented")
}
func (b *baseBalancer) ResolverError(err error) {
b.resolverErr = err
if len(b.subConns) == 0 {
b.state = connectivity.TransientFailure
}
if b.state != connectivity.TransientFailure {
// The picker will not change since the balancer does not currently
// report an error.
return
}
b.regeneratePicker()
if b.picker != nil {
b.cc.UpdateBalancerState(b.state, b.picker)
} else {
b.cc.UpdateState(balancer.State{
ConnectivityState: b.state,
Picker: b.picker,
Picker: b.v2Picker,
})
}
}
func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
// TODO: handle s.ResolverState.Err (log if not nil) once implemented.
// TODO: handle s.ResolverState.ServiceConfig?
if grpclog.V(2) {
grpclog.Infoln("base.baseBalancer: got new ClientConn state: ", s)
@ -118,7 +137,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
b.cc.RemoveSubConn(sc)
delete(b.subConns, a)
// Keep the state of this sc in b.scStates until sc's state becomes Shutdown.
// The entry will be deleted in UpdateSubConnState.
// The entry will be deleted in HandleSubConnStateChange.
}
}
// If resolver state contains no addresses, return an error so ClientConn
@ -152,9 +171,24 @@ func (b *baseBalancer) mergeErrors() error {
// - built by the pickerBuilder with all READY SubConns otherwise.
func (b *baseBalancer) regeneratePicker() {
if b.state == connectivity.TransientFailure {
b.picker = NewErrPicker(b.mergeErrors())
if b.pickerBuilder != nil {
b.picker = NewErrPicker(balancer.ErrTransientFailure)
} else {
b.v2Picker = NewErrPickerV2(balancer.TransientFailureError(b.mergeErrors()))
}
return
}
if b.pickerBuilder != nil {
readySCs := make(map[resolver.Address]balancer.SubConn)
// Filter out all ready SCs from full subConn map.
for addr, sc := range b.subConns {
if st, ok := b.scStates[sc]; ok && st == connectivity.Ready {
readySCs[addr] = sc
}
}
b.picker = b.pickerBuilder.Build(readySCs)
} else {
readySCs := make(map[balancer.SubConn]SubConnInfo)
// Filter out all ready SCs from full subConn map.
@ -163,7 +197,12 @@ func (b *baseBalancer) regeneratePicker() {
readySCs[sc] = SubConnInfo{Address: addr}
}
}
b.picker = b.pickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs})
b.v2Picker = b.v2PickerBuilder.Build(PickerBuildInfo{ReadySCs: readySCs})
}
}
func (b *baseBalancer) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
panic("not implemented")
}
func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.SubConnState) {
@ -208,7 +247,11 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
b.regeneratePicker()
}
b.cc.UpdateState(balancer.State{ConnectivityState: b.state, Picker: b.picker})
if b.picker != nil {
b.cc.UpdateBalancerState(b.state, b.picker)
} else {
b.cc.UpdateState(balancer.State{ConnectivityState: b.state, Picker: b.v2Picker})
}
}
// Close is a nop because base balancer doesn't have internal state to clean up,
@ -216,20 +259,28 @@ func (b *baseBalancer) UpdateSubConnState(sc balancer.SubConn, state balancer.Su
func (b *baseBalancer) Close() {
}
// NewErrPicker returns a Picker that always returns err on Pick().
// NewErrPicker returns a picker that always returns err on Pick().
func NewErrPicker(err error) balancer.Picker {
return &errPicker{err: err}
}
// NewErrPickerV2 is temporarily defined for backward compatibility reasons.
//
// Deprecated: use NewErrPicker instead.
var NewErrPickerV2 = NewErrPicker
type errPicker struct {
err error // Pick() always returns this err.
}
func (p *errPicker) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
func (p *errPicker) Pick(context.Context, balancer.PickInfo) (balancer.SubConn, func(balancer.DoneInfo), error) {
return nil, nil, p.err
}
// NewErrPickerV2 returns a V2Picker that always returns err on Pick().
func NewErrPickerV2(err error) balancer.V2Picker {
return &errPickerV2{err: err}
}
type errPickerV2 struct {
err error // Pick() always returns this err.
}
func (p *errPickerV2) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
return balancer.PickResult{}, p.err
}

37
vendor/google.golang.org/grpc/balancer/base/base.go generated vendored
View file

@ -37,8 +37,15 @@ import (
// PickerBuilder creates balancer.Picker.
type PickerBuilder interface {
// Build takes a slice of ready SubConns, and returns a picker that will be
// used by gRPC to pick a SubConn.
Build(readySCs map[resolver.Address]balancer.SubConn) balancer.Picker
}
// V2PickerBuilder creates balancer.V2Picker.
type V2PickerBuilder interface {
// Build returns a picker that will be used by gRPC to pick a SubConn.
Build(info PickerBuildInfo) balancer.Picker
Build(info PickerBuildInfo) balancer.V2Picker
}
// PickerBuildInfo contains information needed by the picker builder to
@ -55,14 +62,20 @@ type SubConnInfo struct {
Address resolver.Address // the address used to create this SubConn
}
// NewBalancerBuilder returns a balancer builder. The balancers
// built by this builder will use the picker builder to build pickers.
func NewBalancerBuilder(name string, pb PickerBuilder) balancer.Builder {
return NewBalancerBuilderWithConfig(name, pb, Config{})
}
// Config contains the config info about the base balancer builder.
type Config struct {
// HealthCheck indicates whether health checking should be enabled for this specific balancer.
HealthCheck bool
}
// NewBalancerBuilder returns a base balancer builder configured by the provided config.
func NewBalancerBuilder(name string, pb PickerBuilder, config Config) balancer.Builder {
// NewBalancerBuilderWithConfig returns a base balancer builder configured by the provided config.
func NewBalancerBuilderWithConfig(name string, pb PickerBuilder, config Config) balancer.Builder {
return &baseBuilder{
name: name,
pickerBuilder: pb,
@ -70,13 +83,11 @@ func NewBalancerBuilder(name string, pb PickerBuilder, config Config) balancer.B
}
}
// NewBalancerBuilderV2 is temporarily defined for backward compatibility
// reasons.
//
// Deprecated: use NewBalancerBuilder instead.
var NewBalancerBuilderV2 = NewBalancerBuilder
// V2PickerBuilder is temporarily defined for backward compatibility reasons.
//
// Deprecated: use PickerBuilder instead.
type V2PickerBuilder = PickerBuilder
// NewBalancerBuilderV2 returns a base balancer builder configured by the provided config.
func NewBalancerBuilderV2(name string, pb V2PickerBuilder, config Config) balancer.Builder {
return &baseBuilder{
name: name,
v2PickerBuilder: pb,
config: config,
}
}

51
vendor/google.golang.org/grpc/balancer/grpclb/state/state.go generated vendored
View file

@ -1,51 +0,0 @@
/*
*
* Copyright 2020 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
// Package state declares grpclb types to be set by resolvers wishing to pass
// information to grpclb via resolver.State Attributes.
package state
import (
"google.golang.org/grpc/resolver"
)
// keyType is the key to use for storing State in Attributes.
type keyType string
const key = keyType("grpc.grpclb.state")
// State contains gRPCLB-relevant data passed from the name resolver.
type State struct {
// BalancerAddresses contains the remote load balancer address(es). If
// set, overrides any resolver-provided addresses with Type of GRPCLB.
BalancerAddresses []resolver.Address
}
// Set returns a copy of the provided state with attributes containing s. s's
// data should not be mutated after calling Set.
func Set(state resolver.State, s *State) resolver.State {
state.Attributes = state.Attributes.WithValues(key, s)
return state
}
// Get returns the grpclb State in the resolver.State, or nil if not present.
// The returned data should not be mutated.
func Get(state resolver.State) *State {
s, _ := state.Attributes.Value(key).(*State)
return s
}

6
vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go generated vendored
View file

@ -35,7 +35,7 @@ const Name = "round_robin"
// newBuilder creates a new roundrobin balancer builder.
func newBuilder() balancer.Builder {
return base.NewBalancerBuilder(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
return base.NewBalancerBuilderV2(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
}
func init() {
@ -44,10 +44,10 @@ func init() {
type rrPickerBuilder struct{}
func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.V2Picker {
grpclog.Infof("roundrobinPicker: newPicker called with info: %v", info)
if len(info.ReadySCs) == 0 {
return base.NewErrPicker(balancer.ErrNoSubConnAvailable)
return base.NewErrPickerV2(balancer.ErrNoSubConnAvailable)
}
var scs []balancer.SubConn
for sc := range info.ReadySCs {

33
vendor/google.golang.org/grpc/balancer_conn_wrappers.go generated vendored
View file

@ -74,7 +74,11 @@ func (ccb *ccBalancerWrapper) watcher() {
}
ccb.balancerMu.Lock()
su := t.(*scStateUpdate)
ccb.balancer.UpdateSubConnState(su.sc, balancer.SubConnState{ConnectivityState: su.state, ConnectionError: su.err})
if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
ub.UpdateSubConnState(su.sc, balancer.SubConnState{ConnectivityState: su.state, ConnectionError: su.err})
} else {
ccb.balancer.HandleSubConnStateChange(su.sc, su.state)
}
ccb.balancerMu.Unlock()
case <-ccb.done.Done():
}
@ -119,14 +123,20 @@ func (ccb *ccBalancerWrapper) handleSubConnStateChange(sc balancer.SubConn, s co
func (ccb *ccBalancerWrapper) updateClientConnState(ccs *balancer.ClientConnState) error {
ccb.balancerMu.Lock()
defer ccb.balancerMu.Unlock()
return ccb.balancer.UpdateClientConnState(*ccs)
if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
return ub.UpdateClientConnState(*ccs)
}
ccb.balancer.HandleResolvedAddrs(ccs.ResolverState.Addresses, nil)
return nil
}
func (ccb *ccBalancerWrapper) resolverError(err error) {
if ub, ok := ccb.balancer.(balancer.V2Balancer); ok {
ccb.balancerMu.Lock()
ccb.balancer.ResolverError(err)
ub.ResolverError(err)
ccb.balancerMu.Unlock()
}
}
func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer.NewSubConnOptions) (balancer.SubConn, error) {
if len(addrs) <= 0 {
@ -163,6 +173,21 @@ func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) {
ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
}
func (ccb *ccBalancerWrapper) UpdateBalancerState(s connectivity.State, p balancer.Picker) {
ccb.mu.Lock()
defer ccb.mu.Unlock()
if ccb.subConns == nil {
return
}
// Update picker before updating state. Even though the ordering here does
// not matter, it can lead to multiple calls of Pick in the common start-up
// case where we wait for ready and then perform an RPC. If the picker is
// updated later, we could call the "connecting" picker when the state is
// updated, and then call the "ready" picker after the picker gets updated.
ccb.cc.blockingpicker.updatePicker(p)
ccb.cc.csMgr.updateState(s)
}
func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
ccb.mu.Lock()
defer ccb.mu.Unlock()
@ -174,7 +199,7 @@ func (ccb *ccBalancerWrapper) UpdateState(s balancer.State) {
// case where we wait for ready and then perform an RPC. If the picker is
// updated later, we could call the "connecting" picker when the state is
// updated, and then call the "ready" picker after the picker gets updated.
ccb.cc.blockingpicker.updatePicker(s.Picker)
ccb.cc.blockingpicker.updatePickerV2(s.Picker)
ccb.cc.csMgr.updateState(s.ConnectivityState)
}

334
vendor/google.golang.org/grpc/balancer_v1_wrapper.go generated vendored Normal file
View file

@ -0,0 +1,334 @@
/*
*
* Copyright 2017 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
package grpc
import (
"sync"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/resolver"
)
type balancerWrapperBuilder struct {
b Balancer // The v1 balancer.
}
func (bwb *balancerWrapperBuilder) Build(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer {
bwb.b.Start(opts.Target.Endpoint, BalancerConfig{
DialCreds: opts.DialCreds,
Dialer: opts.Dialer,
})
_, pickfirst := bwb.b.(*pickFirst)
bw := &balancerWrapper{
balancer: bwb.b,
pickfirst: pickfirst,
cc: cc,
targetAddr: opts.Target.Endpoint,
startCh: make(chan struct{}),
conns: make(map[resolver.Address]balancer.SubConn),
connSt: make(map[balancer.SubConn]*scState),
csEvltr: &balancer.ConnectivityStateEvaluator{},
state: connectivity.Idle,
}
cc.UpdateState(balancer.State{ConnectivityState: connectivity.Idle, Picker: bw})
go bw.lbWatcher()
return bw
}
func (bwb *balancerWrapperBuilder) Name() string {
return "wrapper"
}
type scState struct {
addr Address // The v1 address type.
s connectivity.State
down func(error)
}
type balancerWrapper struct {
balancer Balancer // The v1 balancer.
pickfirst bool
cc balancer.ClientConn
targetAddr string // Target without the scheme.
mu sync.Mutex
conns map[resolver.Address]balancer.SubConn
connSt map[balancer.SubConn]*scState
// This channel is closed when handling the first resolver result.
// lbWatcher blocks until this is closed, to avoid race between
// - NewSubConn is created, cc wants to notify balancer of state changes;
// - Build hasn't return, cc doesn't have access to balancer.
startCh chan struct{}
// To aggregate the connectivity state.
csEvltr *balancer.ConnectivityStateEvaluator
state connectivity.State
}
// lbWatcher watches the Notify channel of the balancer and manages
// connections accordingly.
func (bw *balancerWrapper) lbWatcher() {
<-bw.startCh
notifyCh := bw.balancer.Notify()
if notifyCh == nil {
// There's no resolver in the balancer. Connect directly.
a := resolver.Address{
Addr: bw.targetAddr,
Type: resolver.Backend,
}
sc, err := bw.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{})
if err != nil {
grpclog.Warningf("Error creating connection to %v. Err: %v", a, err)
} else {
bw.mu.Lock()
bw.conns[a] = sc
bw.connSt[sc] = &scState{
addr: Address{Addr: bw.targetAddr},
s: connectivity.Idle,
}
bw.mu.Unlock()
sc.Connect()
}
return
}
for addrs := range notifyCh {
grpclog.Infof("balancerWrapper: got update addr from Notify: %v", addrs)
if bw.pickfirst {
var (
oldA resolver.Address
oldSC balancer.SubConn
)
bw.mu.Lock()
for oldA, oldSC = range bw.conns {
break
}
bw.mu.Unlock()
if len(addrs) <= 0 {
if oldSC != nil {
// Teardown old sc.
bw.mu.Lock()
delete(bw.conns, oldA)
delete(bw.connSt, oldSC)
bw.mu.Unlock()
bw.cc.RemoveSubConn(oldSC)
}
continue
}
var newAddrs []resolver.Address
for _, a := range addrs {
newAddr := resolver.Address{
Addr: a.Addr,
Type: resolver.Backend, // All addresses from balancer are all backends.
ServerName: "",
Metadata: a.Metadata,
}
newAddrs = append(newAddrs, newAddr)
}
if oldSC == nil {
// Create new sc.
sc, err := bw.cc.NewSubConn(newAddrs, balancer.NewSubConnOptions{})
if err != nil {
grpclog.Warningf("Error creating connection to %v. Err: %v", newAddrs, err)
} else {
bw.mu.Lock()
// For pickfirst, there should be only one SubConn, so the
// address doesn't matter. All states updating (up and down)
// and picking should all happen on that only SubConn.
bw.conns[resolver.Address{}] = sc
bw.connSt[sc] = &scState{
addr: addrs[0], // Use the first address.
s: connectivity.Idle,
}
bw.mu.Unlock()
sc.Connect()
}
} else {
bw.mu.Lock()
bw.connSt[oldSC].addr = addrs[0]
bw.mu.Unlock()
oldSC.UpdateAddresses(newAddrs)
}
} else {
var (
add []resolver.Address // Addresses need to setup connections.
del []balancer.SubConn // Connections need to tear down.
)
resAddrs := make(map[resolver.Address]Address)
for _, a := range addrs {
resAddrs[resolver.Address{
Addr: a.Addr,
Type: resolver.Backend, // All addresses from balancer are all backends.
ServerName: "",
Metadata: a.Metadata,
}] = a
}
bw.mu.Lock()
for a := range resAddrs {
if _, ok := bw.conns[a]; !ok {
add = append(add, a)
}
}
for a, c := range bw.conns {
if _, ok := resAddrs[a]; !ok {
del = append(del, c)
delete(bw.conns, a)
// Keep the state of this sc in bw.connSt until its state becomes Shutdown.
}
}
bw.mu.Unlock()
for _, a := range add {
sc, err := bw.cc.NewSubConn([]resolver.Address{a}, balancer.NewSubConnOptions{})
if err != nil {
grpclog.Warningf("Error creating connection to %v. Err: %v", a, err)
} else {
bw.mu.Lock()
bw.conns[a] = sc
bw.connSt[sc] = &scState{
addr: resAddrs[a],
s: connectivity.Idle,
}
bw.mu.Unlock()
sc.Connect()
}
}
for _, c := range del {
bw.cc.RemoveSubConn(c)
}
}
}
}
func (bw *balancerWrapper) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
bw.mu.Lock()
defer bw.mu.Unlock()
scSt, ok := bw.connSt[sc]
if !ok {
return
}
if s == connectivity.Idle {
sc.Connect()
}
oldS := scSt.s
scSt.s = s
if oldS != connectivity.Ready && s == connectivity.Ready {
scSt.down = bw.balancer.Up(scSt.addr)
} else if oldS == connectivity.Ready && s != connectivity.Ready {
if scSt.down != nil {
scSt.down(errConnClosing)
}
}
sa := bw.csEvltr.RecordTransition(oldS, s)
if bw.state != sa {
bw.state = sa
}
bw.cc.UpdateState(balancer.State{ConnectivityState: bw.state, Picker: bw})
if s == connectivity.Shutdown {
// Remove state for this sc.
delete(bw.connSt, sc)
}
}
func (bw *balancerWrapper) HandleResolvedAddrs([]resolver.Address, error) {
bw.mu.Lock()
defer bw.mu.Unlock()
select {
case <-bw.startCh:
default:
close(bw.startCh)
}
// There should be a resolver inside the balancer.
// All updates here, if any, are ignored.
}
func (bw *balancerWrapper) Close() {
bw.mu.Lock()
defer bw.mu.Unlock()
select {
case <-bw.startCh:
default:
close(bw.startCh)
}
bw.balancer.Close()
}
// The picker is the balancerWrapper itself.
// It either blocks or returns error, consistent with v1 balancer Get().
func (bw *balancerWrapper) Pick(info balancer.PickInfo) (result balancer.PickResult, err error) {
failfast := true // Default failfast is true.
if ss, ok := rpcInfoFromContext(info.Ctx); ok {
failfast = ss.failfast
}
a, p, err := bw.balancer.Get(info.Ctx, BalancerGetOptions{BlockingWait: !failfast})
if err != nil {
return balancer.PickResult{}, toRPCErr(err)
}
if p != nil {
result.Done = func(balancer.DoneInfo) { p() }
defer func() {
if err != nil {
p()
}
}()
}
bw.mu.Lock()
defer bw.mu.Unlock()
if bw.pickfirst {
// Get the first sc in conns.
for _, result.SubConn = range bw.conns {
return result, nil
}
return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
}
var ok1 bool
result.SubConn, ok1 = bw.conns[resolver.Address{
Addr: a.Addr,
Type: resolver.Backend,
ServerName: "",
Metadata: a.Metadata,
}]
s, ok2 := bw.connSt[result.SubConn]
if !ok1 || !ok2 {
// This can only happen due to a race where Get() returned an address
// that was subsequently removed by Notify. In this case we should
// retry always.
return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
}
switch s.s {
case connectivity.Ready, connectivity.Idle:
return result, nil
case connectivity.Shutdown, connectivity.TransientFailure:
// If the returned sc has been shut down or is in transient failure,
// return error, and this RPC will fail or wait for another picker (if
// non-failfast).
return balancer.PickResult{}, balancer.ErrTransientFailure
default:
// For other states (connecting or unknown), the v1 balancer would
// traditionally wait until ready and then issue the RPC. Returning
// ErrNoSubConnAvailable will be a slight improvement in that it will
// allow the balancer to choose another address in case others are
// connected.
return balancer.PickResult{}, balancer.ErrNoSubConnAvailable
}
}

320
vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go generated vendored
View file

@ -1,15 +1,13 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: grpc/binlog/v1/binarylog.proto
// source: grpc/binarylog/grpc_binarylog_v1/binarylog.proto
package grpc_binarylog_v1
package grpc_binarylog_v1 // import "google.golang.org/grpc/binarylog/grpc_binarylog_v1"
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
duration "github.com/golang/protobuf/ptypes/duration"
timestamp "github.com/golang/protobuf/ptypes/timestamp"
math "math"
)
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import duration "github.com/golang/protobuf/ptypes/duration"
import timestamp "github.com/golang/protobuf/ptypes/timestamp"
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
@ -20,7 +18,7 @@ var _ = math.Inf
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
// Enumerates the type of event
// Note the terminology is different from the RPC semantics
@ -66,7 +64,6 @@ var GrpcLogEntry_EventType_name = map[int32]string{
6: "EVENT_TYPE_SERVER_TRAILER",
7: "EVENT_TYPE_CANCEL",
}
var GrpcLogEntry_EventType_value = map[string]int32{
"EVENT_TYPE_UNKNOWN": 0,
"EVENT_TYPE_CLIENT_HEADER": 1,
@ -81,9 +78,8 @@ var GrpcLogEntry_EventType_value = map[string]int32{
func (x GrpcLogEntry_EventType) String() string {
return proto.EnumName(GrpcLogEntry_EventType_name, int32(x))
}
func (GrpcLogEntry_EventType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{0, 0}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{0, 0}
}
// Enumerates the entity that generates the log entry
@ -100,7 +96,6 @@ var GrpcLogEntry_Logger_name = map[int32]string{
1: "LOGGER_CLIENT",
2: "LOGGER_SERVER",
}
var GrpcLogEntry_Logger_value = map[string]int32{
"LOGGER_UNKNOWN": 0,
"LOGGER_CLIENT": 1,
@ -110,9 +105,8 @@ var GrpcLogEntry_Logger_value = map[string]int32{
func (x GrpcLogEntry_Logger) String() string {
return proto.EnumName(GrpcLogEntry_Logger_name, int32(x))
}
func (GrpcLogEntry_Logger) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{0, 1}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{0, 1}
}
type Address_Type int32
@ -134,7 +128,6 @@ var Address_Type_name = map[int32]string{
2: "TYPE_IPV6",
3: "TYPE_UNIX",
}
var Address_Type_value = map[string]int32{
"TYPE_UNKNOWN": 0,
"TYPE_IPV4": 1,
@ -145,9 +138,8 @@ var Address_Type_value = map[string]int32{
func (x Address_Type) String() string {
return proto.EnumName(Address_Type_name, int32(x))
}
func (Address_Type) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{7, 0}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{7, 0}
}
// Log entry we store in binary logs
@ -193,17 +185,16 @@ func (m *GrpcLogEntry) Reset() { *m = GrpcLogEntry{} }
func (m *GrpcLogEntry) String() string { return proto.CompactTextString(m) }
func (*GrpcLogEntry) ProtoMessage() {}
func (*GrpcLogEntry) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{0}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{0}
}
func (m *GrpcLogEntry) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_GrpcLogEntry.Unmarshal(m, b)
}
func (m *GrpcLogEntry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_GrpcLogEntry.Marshal(b, m, deterministic)
}
func (m *GrpcLogEntry) XXX_Merge(src proto.Message) {
xxx_messageInfo_GrpcLogEntry.Merge(m, src)
func (dst *GrpcLogEntry) XXX_Merge(src proto.Message) {
xxx_messageInfo_GrpcLogEntry.Merge(dst, src)
}
func (m *GrpcLogEntry) XXX_Size() int {
return xxx_messageInfo_GrpcLogEntry.Size(m)
@ -326,9 +317,9 @@ func (m *GrpcLogEntry) GetPeer() *Address {
return nil
}
// XXX_OneofWrappers is for the internal use of the proto package.
func (*GrpcLogEntry) XXX_OneofWrappers() []interface{} {
return []interface{}{
// XXX_OneofFuncs is for the internal use of the proto package.
func (*GrpcLogEntry) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
return _GrpcLogEntry_OneofMarshaler, _GrpcLogEntry_OneofUnmarshaler, _GrpcLogEntry_OneofSizer, []interface{}{
(*GrpcLogEntry_ClientHeader)(nil),
(*GrpcLogEntry_ServerHeader)(nil),
(*GrpcLogEntry_Message)(nil),
@ -336,6 +327,108 @@ func (*GrpcLogEntry) XXX_OneofWrappers() []interface{} {
}
}
func _GrpcLogEntry_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
m := msg.(*GrpcLogEntry)
// payload
switch x := m.Payload.(type) {
case *GrpcLogEntry_ClientHeader:
b.EncodeVarint(6<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.ClientHeader); err != nil {
return err
}
case *GrpcLogEntry_ServerHeader:
b.EncodeVarint(7<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.ServerHeader); err != nil {
return err
}
case *GrpcLogEntry_Message:
b.EncodeVarint(8<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.Message); err != nil {
return err
}
case *GrpcLogEntry_Trailer:
b.EncodeVarint(9<<3 | proto.WireBytes)
if err := b.EncodeMessage(x.Trailer); err != nil {
return err
}
case nil:
default:
return fmt.Errorf("GrpcLogEntry.Payload has unexpected type %T", x)
}
return nil
}
func _GrpcLogEntry_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
m := msg.(*GrpcLogEntry)
switch tag {
case 6: // payload.client_header
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(ClientHeader)
err := b.DecodeMessage(msg)
m.Payload = &GrpcLogEntry_ClientHeader{msg}
return true, err
case 7: // payload.server_header
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(ServerHeader)
err := b.DecodeMessage(msg)
m.Payload = &GrpcLogEntry_ServerHeader{msg}
return true, err
case 8: // payload.message
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(Message)
err := b.DecodeMessage(msg)
m.Payload = &GrpcLogEntry_Message{msg}
return true, err
case 9: // payload.trailer
if wire != proto.WireBytes {
return true, proto.ErrInternalBadWireType
}
msg := new(Trailer)
err := b.DecodeMessage(msg)
m.Payload = &GrpcLogEntry_Trailer{msg}
return true, err
default:
return false, nil
}
}
func _GrpcLogEntry_OneofSizer(msg proto.Message) (n int) {
m := msg.(*GrpcLogEntry)
// payload
switch x := m.Payload.(type) {
case *GrpcLogEntry_ClientHeader:
s := proto.Size(x.ClientHeader)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *GrpcLogEntry_ServerHeader:
s := proto.Size(x.ServerHeader)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *GrpcLogEntry_Message:
s := proto.Size(x.Message)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case *GrpcLogEntry_Trailer:
s := proto.Size(x.Trailer)
n += 1 // tag and wire
n += proto.SizeVarint(uint64(s))
n += s
case nil:
default:
panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
}
return n
}
type ClientHeader struct {
// This contains only the metadata from the application.
Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
@ -360,17 +453,16 @@ func (m *ClientHeader) Reset() { *m = ClientHeader{} }
func (m *ClientHeader) String() string { return proto.CompactTextString(m) }
func (*ClientHeader) ProtoMessage() {}
func (*ClientHeader) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{1}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{1}
}
func (m *ClientHeader) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ClientHeader.Unmarshal(m, b)
}
func (m *ClientHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ClientHeader.Marshal(b, m, deterministic)
}
func (m *ClientHeader) XXX_Merge(src proto.Message) {
xxx_messageInfo_ClientHeader.Merge(m, src)
func (dst *ClientHeader) XXX_Merge(src proto.Message) {
xxx_messageInfo_ClientHeader.Merge(dst, src)
}
func (m *ClientHeader) XXX_Size() int {
return xxx_messageInfo_ClientHeader.Size(m)
@ -421,17 +513,16 @@ func (m *ServerHeader) Reset() { *m = ServerHeader{} }
func (m *ServerHeader) String() string { return proto.CompactTextString(m) }
func (*ServerHeader) ProtoMessage() {}
func (*ServerHeader) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{2}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{2}
}
func (m *ServerHeader) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_ServerHeader.Unmarshal(m, b)
}
func (m *ServerHeader) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_ServerHeader.Marshal(b, m, deterministic)
}
func (m *ServerHeader) XXX_Merge(src proto.Message) {
xxx_messageInfo_ServerHeader.Merge(m, src)
func (dst *ServerHeader) XXX_Merge(src proto.Message) {
xxx_messageInfo_ServerHeader.Merge(dst, src)
}
func (m *ServerHeader) XXX_Size() int {
return xxx_messageInfo_ServerHeader.Size(m)
@ -469,17 +560,16 @@ func (m *Trailer) Reset() { *m = Trailer{} }
func (m *Trailer) String() string { return proto.CompactTextString(m) }
func (*Trailer) ProtoMessage() {}
func (*Trailer) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{3}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{3}
}
func (m *Trailer) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Trailer.Unmarshal(m, b)
}
func (m *Trailer) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Trailer.Marshal(b, m, deterministic)
}
func (m *Trailer) XXX_Merge(src proto.Message) {
xxx_messageInfo_Trailer.Merge(m, src)
func (dst *Trailer) XXX_Merge(src proto.Message) {
xxx_messageInfo_Trailer.Merge(dst, src)
}
func (m *Trailer) XXX_Size() int {
return xxx_messageInfo_Trailer.Size(m)
@ -534,17 +624,16 @@ func (m *Message) Reset() { *m = Message{} }
func (m *Message) String() string { return proto.CompactTextString(m) }
func (*Message) ProtoMessage() {}
func (*Message) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{4}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{4}
}
func (m *Message) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Message.Unmarshal(m, b)
}
func (m *Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Message.Marshal(b, m, deterministic)
}
func (m *Message) XXX_Merge(src proto.Message) {
xxx_messageInfo_Message.Merge(m, src)
func (dst *Message) XXX_Merge(src proto.Message) {
xxx_messageInfo_Message.Merge(dst, src)
}
func (m *Message) XXX_Size() int {
return xxx_messageInfo_Message.Size(m)
@ -601,17 +690,16 @@ func (m *Metadata) Reset() { *m = Metadata{} }
func (m *Metadata) String() string { return proto.CompactTextString(m) }
func (*Metadata) ProtoMessage() {}
func (*Metadata) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{5}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{5}
}
func (m *Metadata) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Metadata.Unmarshal(m, b)
}
func (m *Metadata) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Metadata.Marshal(b, m, deterministic)
}
func (m *Metadata) XXX_Merge(src proto.Message) {
xxx_messageInfo_Metadata.Merge(m, src)
func (dst *Metadata) XXX_Merge(src proto.Message) {
xxx_messageInfo_Metadata.Merge(dst, src)
}
func (m *Metadata) XXX_Size() int {
return xxx_messageInfo_Metadata.Size(m)
@ -642,17 +730,16 @@ func (m *MetadataEntry) Reset() { *m = MetadataEntry{} }
func (m *MetadataEntry) String() string { return proto.CompactTextString(m) }
func (*MetadataEntry) ProtoMessage() {}
func (*MetadataEntry) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{6}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{6}
}
func (m *MetadataEntry) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_MetadataEntry.Unmarshal(m, b)
}
func (m *MetadataEntry) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_MetadataEntry.Marshal(b, m, deterministic)
}
func (m *MetadataEntry) XXX_Merge(src proto.Message) {
xxx_messageInfo_MetadataEntry.Merge(m, src)
func (dst *MetadataEntry) XXX_Merge(src proto.Message) {
xxx_messageInfo_MetadataEntry.Merge(dst, src)
}
func (m *MetadataEntry) XXX_Size() int {
return xxx_messageInfo_MetadataEntry.Size(m)
@ -692,17 +779,16 @@ func (m *Address) Reset() { *m = Address{} }
func (m *Address) String() string { return proto.CompactTextString(m) }
func (*Address) ProtoMessage() {}
func (*Address) Descriptor() ([]byte, []int) {
return fileDescriptor_b7972e58de45083a, []int{7}
return fileDescriptor_binarylog_264c8c9c551ce911, []int{7}
}
func (m *Address) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Address.Unmarshal(m, b)
}
func (m *Address) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Address.Marshal(b, m, deterministic)
}
func (m *Address) XXX_Merge(src proto.Message) {
xxx_messageInfo_Address.Merge(m, src)
func (dst *Address) XXX_Merge(src proto.Message) {
xxx_messageInfo_Address.Merge(dst, src)
}
func (m *Address) XXX_Size() int {
return xxx_messageInfo_Address.Size(m)
@ -735,9 +821,6 @@ func (m *Address) GetIpPort() uint32 {
}
func init() {
proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_EventType", GrpcLogEntry_EventType_name, GrpcLogEntry_EventType_value)
proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_Logger", GrpcLogEntry_Logger_name, GrpcLogEntry_Logger_value)
proto.RegisterEnum("grpc.binarylog.v1.Address_Type", Address_Type_name, Address_Type_value)
proto.RegisterType((*GrpcLogEntry)(nil), "grpc.binarylog.v1.GrpcLogEntry")
proto.RegisterType((*ClientHeader)(nil), "grpc.binarylog.v1.ClientHeader")
proto.RegisterType((*ServerHeader)(nil), "grpc.binarylog.v1.ServerHeader")
@ -746,67 +829,72 @@ func init() {
proto.RegisterType((*Metadata)(nil), "grpc.binarylog.v1.Metadata")
proto.RegisterType((*MetadataEntry)(nil), "grpc.binarylog.v1.MetadataEntry")
proto.RegisterType((*Address)(nil), "grpc.binarylog.v1.Address")
proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_EventType", GrpcLogEntry_EventType_name, GrpcLogEntry_EventType_value)
proto.RegisterEnum("grpc.binarylog.v1.GrpcLogEntry_Logger", GrpcLogEntry_Logger_name, GrpcLogEntry_Logger_value)
proto.RegisterEnum("grpc.binarylog.v1.Address_Type", Address_Type_name, Address_Type_value)
}
func init() { proto.RegisterFile("grpc/binlog/v1/binarylog.proto", fileDescriptor_b7972e58de45083a) }
func init() {
proto.RegisterFile("grpc/binarylog/grpc_binarylog_v1/binarylog.proto", fileDescriptor_binarylog_264c8c9c551ce911)
}
var fileDescriptor_b7972e58de45083a = []byte{
// 904 bytes of a gzipped FileDescriptorProto
var fileDescriptor_binarylog_264c8c9c551ce911 = []byte{
// 900 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xa4, 0x55, 0x51, 0x6f, 0xe3, 0x44,
0x10, 0xae, 0xdb, 0x34, 0x6e, 0x26, 0x49, 0xe5, 0xae, 0xca, 0x9d, 0xaf, 0x94, 0x6b, 0x64, 0x09,
0x14, 0x84, 0xe4, 0xa8, 0x29, 0xd7, 0xe3, 0x05, 0xa4, 0x24, 0xf5, 0xa5, 0x11, 0xb9, 0x34, 0xda,
0xe4, 0x7a, 0x80, 0x90, 0xac, 0x6d, 0xbc, 0x38, 0x16, 0x8e, 0xd7, 0xac, 0x37, 0x41, 0xf9, 0x59,
0xbc, 0x21, 0xdd, 0xef, 0xe2, 0x1d, 0x79, 0xd7, 0x4e, 0x4d, 0xd3, 0x82, 0xc4, 0xbd, 0xed, 0x7c,
0xf3, 0xcd, 0x37, 0xbb, 0xe3, 0x99, 0x31, 0xbc, 0xf4, 0x79, 0x3c, 0x6b, 0xdd, 0x05, 0x51, 0xc8,
0xfc, 0xd6, 0xea, 0x3c, 0x3d, 0x11, 0xbe, 0x0e, 0x99, 0x6f, 0xc7, 0x9c, 0x09, 0x86, 0x8e, 0x52,
0xbf, 0x7d, 0x8f, 0xae, 0xce, 0x4f, 0x5e, 0xfa, 0x8c, 0xf9, 0x21, 0x6d, 0x49, 0xc2, 0xdd, 0xf2,
0x97, 0x96, 0xb7, 0xe4, 0x44, 0x04, 0x2c, 0x52, 0x21, 0x27, 0x67, 0x0f, 0xfd, 0x22, 0x58, 0xd0,
0x44, 0x90, 0x45, 0xac, 0x08, 0xd6, 0x07, 0x1d, 0x6a, 0x7d, 0x1e, 0xcf, 0x86, 0xcc, 0x77, 0x22,
0xc1, 0xd7, 0xe8, 0x1b, 0xa8, 0x6c, 0x38, 0xa6, 0xd6, 0xd0, 0x9a, 0xd5, 0xf6, 0x89, 0xad, 0x54,
0xec, 0x5c, 0xc5, 0x9e, 0xe6, 0x0c, 0x7c, 0x4f, 0x46, 0xcf, 0x41, 0x9f, 0x91, 0x30, 0x74, 0x03,
0xcf, 0xdc, 0x6d, 0x68, 0xcd, 0x12, 0x2e, 0xa7, 0xe6, 0xc0, 0x43, 0xaf, 0xe0, 0x79, 0x42, 0x7f,
0x5b, 0xd2, 0x68, 0x46, 0xdd, 0xc0, 0x73, 0x7f, 0x0f, 0xc4, 0x3c, 0x88, 0xdc, 0xd4, 0x69, 0xee,
0x49, 0xe2, 0x71, 0xee, 0x1e, 0x78, 0xef, 0xa5, 0xb3, 0x47, 0xc2, 0x10, 0x7d, 0x0b, 0x25, 0xb1,
0x8e, 0xa9, 0x59, 0x6a, 0x68, 0xcd, 0xc3, 0xf6, 0x97, 0xf6, 0xd6, 0xeb, 0xed, 0xe2, 0xc5, 0x6d,
0x67, 0x45, 0x23, 0x31, 0x5d, 0xc7, 0x14, 0xcb, 0x30, 0xf4, 0x1d, 0x94, 0x43, 0xe6, 0xfb, 0x94,
0x9b, 0xfb, 0x52, 0xe0, 0x8b, 0xff, 0x12, 0x18, 0x4a, 0x36, 0xce, 0xa2, 0xd0, 0x1b, 0xa8, 0xcf,
0xc2, 0x80, 0x46, 0xc2, 0x9d, 0x53, 0xe2, 0x51, 0x6e, 0x96, 0x65, 0x31, 0xce, 0x1e, 0x91, 0xe9,
0x49, 0xde, 0xb5, 0xa4, 0x5d, 0xef, 0xe0, 0xda, 0xac, 0x60, 0xa7, 0x3a, 0x09, 0xe5, 0x2b, 0xca,
0x73, 0x1d, 0xfd, 0x49, 0x9d, 0x89, 0xe4, 0xdd, 0xeb, 0x24, 0x05, 0x1b, 0x5d, 0x82, 0xbe, 0xa0,
0x49, 0x42, 0x7c, 0x6a, 0x1e, 0xe4, 0x9f, 0x65, 0x4b, 0xe1, 0xad, 0x62, 0x5c, 0xef, 0xe0, 0x9c,
0x9c, 0xc6, 0x09, 0x4e, 0x82, 0x90, 0x72, 0xb3, 0xf2, 0x64, 0xdc, 0x54, 0x31, 0xd2, 0xb8, 0x8c,
0x8c, 0xbe, 0x82, 0xa3, 0x98, 0xac, 0x43, 0x46, 0x3c, 0x57, 0xf0, 0x65, 0x34, 0x23, 0x82, 0x7a,
0x26, 0x34, 0xb4, 0xe6, 0x01, 0x36, 0x32, 0xc7, 0x34, 0xc7, 0x91, 0x0d, 0xa5, 0x98, 0x52, 0x6e,
0x56, 0x9f, 0xcc, 0xd0, 0xf1, 0x3c, 0x4e, 0x93, 0x04, 0x4b, 0x9e, 0xf5, 0x97, 0x06, 0x95, 0xcd,
0x07, 0x43, 0xcf, 0x00, 0x39, 0xb7, 0xce, 0x68, 0xea, 0x4e, 0x7f, 0x1c, 0x3b, 0xee, 0xbb, 0xd1,
0xf7, 0xa3, 0x9b, 0xf7, 0x23, 0x63, 0x07, 0x9d, 0x82, 0x59, 0xc0, 0x7b, 0xc3, 0x41, 0x7a, 0xbe,
0x76, 0x3a, 0x57, 0x0e, 0x36, 0xb4, 0x07, 0xde, 0x89, 0x83, 0x6f, 0x1d, 0x9c, 0x7b, 0x77, 0xd1,
0x67, 0xf0, 0x62, 0x3b, 0xf6, 0xad, 0x33, 0x99, 0x74, 0xfa, 0x8e, 0xb1, 0xf7, 0xc0, 0x9d, 0x05,
0xe7, 0xee, 0x12, 0x6a, 0xc0, 0xe9, 0x23, 0x99, 0x3b, 0xc3, 0x37, 0x6e, 0x6f, 0x78, 0x33, 0x71,
0x8c, 0xfd, 0xc7, 0x05, 0xa6, 0xb8, 0x33, 0x18, 0x3a, 0xd8, 0x28, 0xa3, 0x4f, 0xe0, 0xa8, 0x28,
0xd0, 0x19, 0xf5, 0x9c, 0xa1, 0xa1, 0x5b, 0x5d, 0x28, 0xab, 0x36, 0x43, 0x08, 0x0e, 0x87, 0x37,
0xfd, 0xbe, 0x83, 0x0b, 0xef, 0x3d, 0x82, 0x7a, 0x86, 0xa9, 0x8c, 0x86, 0x56, 0x80, 0x54, 0x0a,
0x63, 0xb7, 0x5b, 0x01, 0x3d, 0xab, 0xbf, 0xf5, 0x41, 0x83, 0x5a, 0xb1, 0xf9, 0xd0, 0x6b, 0x38,
0x58, 0x50, 0x41, 0x3c, 0x22, 0x48, 0x36, 0xbc, 0x9f, 0x3e, 0xda, 0x25, 0x8a, 0x82, 0x37, 0x64,
0x74, 0x06, 0xd5, 0x05, 0x15, 0x73, 0xe6, 0xb9, 0x11, 0x59, 0x50, 0x39, 0xc0, 0x15, 0x0c, 0x0a,
0x1a, 0x91, 0x05, 0x45, 0xa7, 0x50, 0x21, 0x4b, 0x31, 0x67, 0x3c, 0x10, 0x6b, 0x39, 0xb6, 0x15,
0x7c, 0x0f, 0xa0, 0x0b, 0xd0, 0xd3, 0x45, 0xc0, 0x96, 0x42, 0x8e, 0x6b, 0xb5, 0xfd, 0x62, 0x6b,
0x67, 0x5c, 0x65, 0x9b, 0x09, 0xe7, 0x4c, 0xab, 0x0f, 0xb5, 0x62, 0xc7, 0xff, 0xef, 0xcb, 0x5b,
0x7f, 0x68, 0xa0, 0x67, 0x1d, 0xfc, 0x51, 0x15, 0x48, 0x04, 0x11, 0xcb, 0xc4, 0x9d, 0x31, 0x4f,
0x55, 0xa0, 0x8e, 0x41, 0x41, 0x3d, 0xe6, 0x51, 0xf4, 0x39, 0x1c, 0x66, 0x84, 0x7c, 0x0e, 0x55,
0x19, 0xea, 0x0a, 0xcd, 0x46, 0xaf, 0x40, 0xf3, 0xa8, 0x20, 0x41, 0x98, 0xc8, 0x8a, 0xd4, 0x72,
0xda, 0x95, 0x02, 0xad, 0x57, 0xa0, 0xe7, 0x11, 0xcf, 0xa0, 0x1c, 0xd2, 0xc8, 0x17, 0x73, 0x79,
0xe1, 0x3a, 0xce, 0x2c, 0x84, 0xa0, 0x24, 0x9f, 0xb1, 0x2b, 0xe3, 0xe5, 0xd9, 0xea, 0xc2, 0x41,
0x7e, 0x77, 0x74, 0x09, 0xfb, 0x34, 0xdd, 0x5c, 0xa6, 0xd6, 0xd8, 0x6b, 0x56, 0xdb, 0x8d, 0x7f,
0x79, 0xa7, 0xdc, 0x70, 0x58, 0xd1, 0xad, 0xd7, 0x50, 0xff, 0x07, 0x8e, 0x0c, 0xd8, 0xfb, 0x95,
0xae, 0x65, 0xf6, 0x0a, 0x4e, 0x8f, 0xe8, 0x18, 0xf6, 0x57, 0x24, 0x5c, 0xd2, 0x2c, 0xb7, 0x32,
0xac, 0x3f, 0x35, 0xd0, 0xb3, 0x39, 0x46, 0x17, 0xd9, 0x76, 0xd6, 0xe4, 0x72, 0x3d, 0x7b, 0x7a,
0xe2, 0xed, 0xc2, 0x4e, 0x36, 0x41, 0x27, 0x0a, 0xcd, 0x3a, 0x2c, 0x37, 0xd3, 0x9f, 0x47, 0x10,
0xbb, 0x31, 0xe3, 0x42, 0x56, 0xb5, 0x8e, 0xcb, 0x41, 0x3c, 0x66, 0x5c, 0x58, 0x0e, 0x94, 0xe4,
0x8e, 0x30, 0xa0, 0xf6, 0x60, 0x3b, 0xd4, 0xa1, 0x22, 0x91, 0xc1, 0xf8, 0xf6, 0x6b, 0x43, 0x2b,
0x9a, 0x97, 0xc6, 0xee, 0xc6, 0x7c, 0x37, 0x1a, 0xfc, 0x60, 0xec, 0x75, 0x7f, 0x86, 0xe3, 0x80,
0x6d, 0x5f, 0xb2, 0x7b, 0xd8, 0x95, 0xd6, 0x90, 0xf9, 0xe3, 0xb4, 0x51, 0xc7, 0xda, 0x4f, 0xed,
0xac, 0x71, 0x7d, 0x16, 0x92, 0xc8, 0xb7, 0x19, 0xf7, 0x5b, 0xf9, 0x7f, 0x59, 0x85, 0x49, 0xd3,
0xdd, 0x98, 0xee, 0xea, 0xfc, 0xae, 0x2c, 0xbb, 0xfc, 0xe2, 0xef, 0x00, 0x00, 0x00, 0xff, 0xff,
0x10, 0x93, 0x68, 0x41, 0xc2, 0x07, 0x00, 0x00,
0x10, 0x3e, 0x37, 0x69, 0xdc, 0x4c, 0x92, 0xca, 0x5d, 0x95, 0x3b, 0x5f, 0x29, 0x34, 0xb2, 0x04,
0x0a, 0x42, 0x72, 0xb9, 0x94, 0xeb, 0xf1, 0x02, 0x52, 0x92, 0xfa, 0xd2, 0x88, 0x5c, 0x1a, 0x6d,
0x72, 0x3d, 0x40, 0x48, 0xd6, 0x36, 0x5e, 0x1c, 0x0b, 0xc7, 0x6b, 0xd6, 0x9b, 0xa0, 0xfc, 0x2c,
0xde, 0x90, 0xee, 0x77, 0xf1, 0x8e, 0xbc, 0x6b, 0x27, 0xa6, 0x69, 0x0f, 0x09, 0xde, 0x3c, 0xdf,
0x7c, 0xf3, 0xcd, 0xee, 0x78, 0x66, 0x16, 0xbe, 0xf2, 0x79, 0x3c, 0x3b, 0xbf, 0x0b, 0x22, 0xc2,
0xd7, 0x21, 0xf3, 0xcf, 0x53, 0xd3, 0xdd, 0x98, 0xee, 0xea, 0xc5, 0xd6, 0x67, 0xc7, 0x9c, 0x09,
0x86, 0x8e, 0x52, 0x8a, 0xbd, 0x45, 0x57, 0x2f, 0x4e, 0x3e, 0xf5, 0x19, 0xf3, 0x43, 0x7a, 0x2e,
0x09, 0x77, 0xcb, 0x5f, 0xce, 0xbd, 0x25, 0x27, 0x22, 0x60, 0x91, 0x0a, 0x39, 0x39, 0xbb, 0xef,
0x17, 0xc1, 0x82, 0x26, 0x82, 0x2c, 0x62, 0x45, 0xb0, 0xde, 0xeb, 0x50, 0xef, 0xf3, 0x78, 0x36,
0x64, 0xbe, 0x13, 0x09, 0xbe, 0x46, 0xdf, 0x40, 0x75, 0xc3, 0x31, 0xb5, 0xa6, 0xd6, 0xaa, 0xb5,
0x4f, 0x6c, 0xa5, 0x62, 0xe7, 0x2a, 0xf6, 0x34, 0x67, 0xe0, 0x2d, 0x19, 0x3d, 0x03, 0x7d, 0x46,
0xc2, 0xd0, 0x0d, 0x3c, 0x73, 0xaf, 0xa9, 0xb5, 0xca, 0xb8, 0x92, 0x9a, 0x03, 0x0f, 0xbd, 0x84,
0x67, 0x09, 0xfd, 0x6d, 0x49, 0xa3, 0x19, 0x75, 0x03, 0xcf, 0xfd, 0x3d, 0x10, 0xf3, 0x20, 0x72,
0x53, 0xa7, 0x59, 0x92, 0xc4, 0xe3, 0xdc, 0x3d, 0xf0, 0xde, 0x49, 0x67, 0x8f, 0x84, 0x21, 0xfa,
0x16, 0xca, 0x62, 0x1d, 0x53, 0xb3, 0xdc, 0xd4, 0x5a, 0x87, 0xed, 0x2f, 0xec, 0x9d, 0xdb, 0xdb,
0xc5, 0x83, 0xdb, 0xce, 0x8a, 0x46, 0x62, 0xba, 0x8e, 0x29, 0x96, 0x61, 0xe8, 0x3b, 0xa8, 0x84,
0xcc, 0xf7, 0x29, 0x37, 0xf7, 0xa5, 0xc0, 0xe7, 0xff, 0x26, 0x30, 0x94, 0x6c, 0x9c, 0x45, 0xa1,
0xd7, 0xd0, 0x98, 0x85, 0x01, 0x8d, 0x84, 0x3b, 0xa7, 0xc4, 0xa3, 0xdc, 0xac, 0xc8, 0x62, 0x9c,
0x3d, 0x20, 0xd3, 0x93, 0xbc, 0x6b, 0x49, 0xbb, 0x7e, 0x82, 0xeb, 0xb3, 0x82, 0x9d, 0xea, 0x24,
0x94, 0xaf, 0x28, 0xcf, 0x75, 0xf4, 0x47, 0x75, 0x26, 0x92, 0xb7, 0xd5, 0x49, 0x0a, 0x36, 0xba,
0x04, 0x7d, 0x41, 0x93, 0x84, 0xf8, 0xd4, 0x3c, 0xc8, 0x7f, 0xcb, 0x8e, 0xc2, 0x1b, 0xc5, 0xb8,
0x7e, 0x82, 0x73, 0x72, 0x1a, 0x27, 0x38, 0x09, 0x42, 0xca, 0xcd, 0xea, 0xa3, 0x71, 0x53, 0xc5,
0x48, 0xe3, 0x32, 0x32, 0xfa, 0x12, 0x8e, 0x62, 0xb2, 0x0e, 0x19, 0xf1, 0x5c, 0xc1, 0x97, 0xd1,
0x8c, 0x08, 0xea, 0x99, 0xd0, 0xd4, 0x5a, 0x07, 0xd8, 0xc8, 0x1c, 0xd3, 0x1c, 0x47, 0x36, 0x94,
0x63, 0x4a, 0xb9, 0x59, 0x7b, 0x34, 0x43, 0xc7, 0xf3, 0x38, 0x4d, 0x12, 0x2c, 0x79, 0xd6, 0x5f,
0x1a, 0x54, 0x37, 0x3f, 0x0c, 0x3d, 0x05, 0xe4, 0xdc, 0x3a, 0xa3, 0xa9, 0x3b, 0xfd, 0x71, 0xec,
0xb8, 0x6f, 0x47, 0xdf, 0x8f, 0x6e, 0xde, 0x8d, 0x8c, 0x27, 0xe8, 0x14, 0xcc, 0x02, 0xde, 0x1b,
0x0e, 0xd2, 0xef, 0x6b, 0xa7, 0x73, 0xe5, 0x60, 0x43, 0xbb, 0xe7, 0x9d, 0x38, 0xf8, 0xd6, 0xc1,
0xb9, 0x77, 0x0f, 0x7d, 0x02, 0xcf, 0x77, 0x63, 0xdf, 0x38, 0x93, 0x49, 0xa7, 0xef, 0x18, 0xa5,
0x7b, 0xee, 0x2c, 0x38, 0x77, 0x97, 0x51, 0x13, 0x4e, 0x1f, 0xc8, 0xdc, 0x19, 0xbe, 0x76, 0x7b,
0xc3, 0x9b, 0x89, 0x63, 0xec, 0x3f, 0x2c, 0x30, 0xc5, 0x9d, 0xc1, 0xd0, 0xc1, 0x46, 0x05, 0x7d,
0x04, 0x47, 0x45, 0x81, 0xce, 0xa8, 0xe7, 0x0c, 0x0d, 0xdd, 0xea, 0x42, 0x45, 0xb5, 0x19, 0x42,
0x70, 0x38, 0xbc, 0xe9, 0xf7, 0x1d, 0x5c, 0xb8, 0xef, 0x11, 0x34, 0x32, 0x4c, 0x65, 0x34, 0xb4,
0x02, 0xa4, 0x52, 0x18, 0x7b, 0xdd, 0x2a, 0xe8, 0x59, 0xfd, 0xad, 0xf7, 0x1a, 0xd4, 0x8b, 0xcd,
0x87, 0x5e, 0xc1, 0xc1, 0x82, 0x0a, 0xe2, 0x11, 0x41, 0xb2, 0xe1, 0xfd, 0xf8, 0xc1, 0x2e, 0x51,
0x14, 0xbc, 0x21, 0xa3, 0x33, 0xa8, 0x2d, 0xa8, 0x98, 0x33, 0xcf, 0x8d, 0xc8, 0x82, 0xca, 0x01,
0xae, 0x62, 0x50, 0xd0, 0x88, 0x2c, 0x28, 0x3a, 0x85, 0x2a, 0x59, 0x8a, 0x39, 0xe3, 0x81, 0x58,
0xcb, 0xb1, 0xad, 0xe2, 0x2d, 0x80, 0x2e, 0x40, 0x4f, 0x17, 0x01, 0x5b, 0x0a, 0x39, 0xae, 0xb5,
0xf6, 0xf3, 0x9d, 0x9d, 0x71, 0x95, 0x6d, 0x26, 0x9c, 0x33, 0xad, 0x3e, 0xd4, 0x8b, 0x1d, 0xff,
0x9f, 0x0f, 0x6f, 0xfd, 0xa1, 0x81, 0x9e, 0x75, 0xf0, 0xff, 0xaa, 0x40, 0x22, 0x88, 0x58, 0x26,
0xee, 0x8c, 0x79, 0xaa, 0x02, 0x0d, 0x0c, 0x0a, 0xea, 0x31, 0x8f, 0xa2, 0xcf, 0xe0, 0x30, 0x23,
0xe4, 0x73, 0xa8, 0xca, 0xd0, 0x50, 0x68, 0x36, 0x7a, 0x05, 0x9a, 0x47, 0x05, 0x09, 0xc2, 0x44,
0x56, 0xa4, 0x9e, 0xd3, 0xae, 0x14, 0x68, 0xbd, 0x04, 0x3d, 0x8f, 0x78, 0x0a, 0x95, 0x90, 0x46,
0xbe, 0x98, 0xcb, 0x03, 0x37, 0x70, 0x66, 0x21, 0x04, 0x65, 0x79, 0x8d, 0x3d, 0x19, 0x2f, 0xbf,
0xad, 0x2e, 0x1c, 0xe4, 0x67, 0x47, 0x97, 0xb0, 0x4f, 0xd3, 0xcd, 0x65, 0x6a, 0xcd, 0x52, 0xab,
0xd6, 0x6e, 0x7e, 0xe0, 0x9e, 0x72, 0xc3, 0x61, 0x45, 0xb7, 0x5e, 0x41, 0xe3, 0x1f, 0x38, 0x32,
0xa0, 0xf4, 0x2b, 0x5d, 0xcb, 0xec, 0x55, 0x9c, 0x7e, 0xa2, 0x63, 0xd8, 0x5f, 0x91, 0x70, 0x49,
0xb3, 0xdc, 0xca, 0xb0, 0xfe, 0xd4, 0x40, 0xcf, 0xe6, 0x18, 0x5d, 0x64, 0xdb, 0x59, 0x93, 0xcb,
0xf5, 0xec, 0xf1, 0x89, 0xb7, 0x0b, 0x3b, 0xd9, 0x04, 0x9d, 0x28, 0x34, 0xeb, 0xb0, 0xdc, 0x4c,
0x1f, 0x8f, 0x20, 0x76, 0x63, 0xc6, 0x85, 0xac, 0x6a, 0x03, 0x57, 0x82, 0x78, 0xcc, 0xb8, 0xb0,
0x1c, 0x28, 0xcb, 0x1d, 0x61, 0x40, 0xfd, 0xde, 0x76, 0x68, 0x40, 0x55, 0x22, 0x83, 0xf1, 0xed,
0xd7, 0x86, 0x56, 0x34, 0x2f, 0x8d, 0xbd, 0x8d, 0xf9, 0x76, 0x34, 0xf8, 0xc1, 0x28, 0x75, 0x7f,
0x86, 0xe3, 0x80, 0xed, 0x1e, 0xb2, 0x7b, 0xd8, 0x95, 0xd6, 0x90, 0xf9, 0xe3, 0xb4, 0x51, 0xc7,
0xda, 0x4f, 0xed, 0xac, 0x71, 0x7d, 0x16, 0x92, 0xc8, 0xb7, 0x19, 0x57, 0x4f, 0xf3, 0x87, 0x5e,
0xea, 0xbb, 0x8a, 0xec, 0xf2, 0x8b, 0xbf, 0x03, 0x00, 0x00, 0xff, 0xff, 0xe7, 0xf6, 0x4b, 0x50,
0xd4, 0x07, 0x00, 0x00,
}

44
vendor/google.golang.org/grpc/clientconn.go generated vendored
View file

@ -68,6 +68,8 @@ var (
errConnDrain = errors.New("grpc: the connection is drained")
// errConnClosing indicates that the connection is closing.
errConnClosing = errors.New("grpc: the connection is closing")
// errBalancerClosed indicates that the balancer is closed.
errBalancerClosed = errors.New("grpc: balancer is closed")
// invalidDefaultServiceConfigErrPrefix is used to prefix the json parsing error for the default
// service config.
invalidDefaultServiceConfigErrPrefix = "grpc: the provided default service config is invalid"
@ -215,14 +217,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
defer func() {
select {
case <-ctx.Done():
switch {
case ctx.Err() == err:
conn = nil
case err == nil || !cc.dopts.returnLastError:
conn, err = nil, ctx.Err()
default:
conn, err = nil, fmt.Errorf("%v: %v", ctx.Err(), err)
}
default:
}
}()
@ -316,7 +311,7 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
if s == connectivity.Ready {
break
} else if cc.dopts.copts.FailOnNonTempDialError && s == connectivity.TransientFailure {
if err = cc.connectionError(); err != nil {
if err = cc.blockingpicker.connectionError(); err != nil {
terr, ok := err.(interface {
Temporary() bool
})
@ -327,9 +322,6 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
}
if !cc.WaitForStateChange(ctx, s) {
// ctx got timeout or canceled.
if err = cc.connectionError(); err != nil && cc.dopts.returnLastError {
return nil, err
}
return nil, ctx.Err()
}
}
@ -498,9 +490,6 @@ type ClientConn struct {
channelzID int64 // channelz unique identification number
czData *channelzData
lceMu sync.Mutex // protects lastConnectionError
lastConnectionError error
}
// WaitForStateChange waits until the connectivity.State of ClientConn changes from sourceState or
@ -1210,7 +1199,7 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T
if firstConnErr == nil {
firstConnErr = err
}
ac.cc.updateConnectionError(err)
ac.cc.blockingpicker.updateConnectionError(err)
}
// Couldn't connect to any address.
@ -1225,9 +1214,16 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
onCloseCalled := make(chan struct{})
reconnect := grpcsync.NewEvent()
authority := ac.cc.authority
// addr.ServerName takes precedent over ClientConn authority, if present.
if addr.ServerName == "" {
addr.ServerName = ac.cc.authority
if addr.ServerName != "" {
authority = addr.ServerName
}
target := transport.TargetInfo{
Addr: addr.Addr,
Metadata: addr.Metadata,
Authority: authority,
}
once := sync.Once{}
@ -1273,7 +1269,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
copts.ChannelzParentID = ac.channelzID
}
newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onPrefaceReceipt, onGoAway, onClose)
newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, target, copts, onPrefaceReceipt, onGoAway, onClose)
if err != nil {
// newTr is either nil, or closed.
channelz.Warningf(ac.channelzID, "grpc: addrConn.createTransport failed to connect to %v. Err: %v. Reconnecting...", addr, err)
@ -1536,15 +1532,3 @@ func (cc *ClientConn) getResolver(scheme string) resolver.Builder {
}
return resolver.Get(scheme)
}
func (cc *ClientConn) updateConnectionError(err error) {
cc.lceMu.Lock()
cc.lastConnectionError = err
cc.lceMu.Unlock()
}
func (cc *ClientConn) connectionError() error {
cc.lceMu.Lock()
defer cc.lceMu.Unlock()
return cc.lastConnectionError
}

56
vendor/google.golang.org/grpc/credentials/credentials.go generated vendored
View file

@ -29,7 +29,6 @@ import (
"net"
"github.com/golang/protobuf/proto"
"google.golang.org/grpc/attributes"
"google.golang.org/grpc/internal"
)
@ -58,11 +57,9 @@ type PerRPCCredentials interface {
type SecurityLevel int
const (
// Invalid indicates an invalid security level.
// The zero SecurityLevel value is invalid for backward compatibility.
Invalid SecurityLevel = iota
// NoSecurity indicates a connection is insecure.
NoSecurity
// The zero SecurityLevel value is invalid for backward compatibility.
NoSecurity SecurityLevel = iota + 1
// IntegrityOnly indicates a connection only provides integrity protection.
IntegrityOnly
// PrivacyAndIntegrity indicates a connection provides both privacy and integrity protection.
@ -127,18 +124,15 @@ var ErrConnDispatched = errors.New("credentials: rawConn is dispatched out of gR
// TransportCredentials defines the common interface for all the live gRPC wire
// protocols and supported transport security protocols (e.g., TLS, SSL).
type TransportCredentials interface {
// ClientHandshake does the authentication handshake specified by the
// corresponding authentication protocol on rawConn for clients. It returns
// the authenticated connection and the corresponding auth information
// about the connection. The auth information should embed CommonAuthInfo
// to return additional information about the credentials. Implementations
// must use the provided context to implement timely cancellation. gRPC
// will try to reconnect if the error returned is a temporary error
// (io.EOF, context.DeadlineExceeded or err.Temporary() == true). If the
// returned error is a wrapper error, implementations should make sure that
// ClientHandshake does the authentication handshake specified by the corresponding
// authentication protocol on rawConn for clients. It returns the authenticated
// connection and the corresponding auth information about the connection.
// The auth information should embed CommonAuthInfo to return additional information about
// the credentials. Implementations must use the provided context to implement timely cancellation.
// gRPC will try to reconnect if the error returned is a temporary error
// (io.EOF, context.DeadlineExceeded or err.Temporary() == true).
// If the returned error is a wrapper error, implementations should make sure that
// the error implements Temporary() to have the correct retry behaviors.
// Additionally, ClientHandshakeInfo data will be available via the context
// passed to this call.
//
// If the returned net.Conn is closed, it MUST close the net.Conn provided.
ClientHandshake(context.Context, string, net.Conn) (net.Conn, AuthInfo, error)
@ -199,31 +193,6 @@ func RequestInfoFromContext(ctx context.Context) (ri RequestInfo, ok bool) {
return
}
// ClientHandshakeInfo holds data to be passed to ClientHandshake. This makes
// it possible to pass arbitrary data to the handshaker from gRPC, resolver,
// balancer etc. Individual credential implementations control the actual
// format of the data that they are willing to receive.
//
// This API is experimental.
type ClientHandshakeInfo struct {
// Attributes contains the attributes for the address. It could be provided
// by the gRPC, resolver, balancer etc.
Attributes *attributes.Attributes
}
// clientHandshakeInfoKey is a struct used as the key to store
// ClientHandshakeInfo in a context.
type clientHandshakeInfoKey struct{}
// ClientHandshakeInfoFromContext returns the ClientHandshakeInfo struct stored
// in ctx.
//
// This API is experimental.
func ClientHandshakeInfoFromContext(ctx context.Context) ClientHandshakeInfo {
chi, _ := ctx.Value(clientHandshakeInfoKey{}).(ClientHandshakeInfo)
return chi
}
// CheckSecurityLevel checks if a connection's security level is greater than or equal to the specified one.
// It returns success if 1) the condition is satisified or 2) AuthInfo struct does not implement GetCommonAuthInfo() method
// or 3) CommonAuthInfo.SecurityLevel has an invalid zero value. For 2) and 3), it is for the purpose of backward-compatibility.
@ -239,7 +208,7 @@ func CheckSecurityLevel(ctx context.Context, level SecurityLevel) error {
}
if ci, ok := ri.AuthInfo.(internalInfo); ok {
// CommonAuthInfo.SecurityLevel has an invalid value.
if ci.GetCommonAuthInfo().SecurityLevel == Invalid {
if ci.GetCommonAuthInfo().SecurityLevel == 0 {
return nil
}
if ci.GetCommonAuthInfo().SecurityLevel < level {
@ -254,9 +223,6 @@ func init() {
internal.NewRequestInfoContext = func(ctx context.Context, ri RequestInfo) context.Context {
return context.WithValue(ctx, requestInfoKey{}, ri)
}
internal.NewClientHandshakeInfoContext = func(ctx context.Context, chi ClientHandshakeInfo) context.Context {
return context.WithValue(ctx, clientHandshakeInfoKey{}, chi)
}
}
// ChannelzSecurityInfo defines the interface that security protocols should implement

32
vendor/google.golang.org/grpc/dialoptions.go generated vendored
View file

@ -50,14 +50,14 @@ type dialOptions struct {
dc Decompressor
bs internalbackoff.Strategy
block bool
returnLastError bool
insecure bool
timeout time.Duration
scChan <-chan ServiceConfig
authority string
copts transport.ConnectOptions
callOptions []CallOption
// This is used by WithBalancerName dial option.
// This is used by v1 balancer dial option WithBalancer to support v1
// balancer, and also by WithBalancerName dial option.
balancerBuilder balancer.Builder
channelzParentID int64
disableServiceConfig bool
@ -199,6 +199,19 @@ func WithDecompressor(dc Decompressor) DialOption {
})
}
// WithBalancer returns a DialOption which sets a load balancer with the v1 API.
// Name resolver will be ignored if this DialOption is specified.
//
// Deprecated: use the new balancer APIs in balancer package and
// WithBalancerName. Will be removed in a future 1.x release.
func WithBalancer(b Balancer) DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.balancerBuilder = &balancerWrapperBuilder{
b: b,
}
})
}
// WithBalancerName sets the balancer that the ClientConn will be initialized
// with. Balancer registered with balancerName will be used. This function
// panics if no balancer was registered by balancerName.
@ -286,19 +299,6 @@ func WithBlock() DialOption {
})
}
// WithReturnConnectionError returns a DialOption which makes the client connection
// return a string containing both the last connection error that occurred and
// the context.DeadlineExceeded error.
// Implies WithBlock()
//
// This API is EXPERIMENTAL.
func WithReturnConnectionError() DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.block = true
o.returnLastError = true
})
}
// WithInsecure returns a DialOption which disables transport security for this
// ClientConn. Note that transport security is required unless WithInsecure is
// set.
@ -459,7 +459,7 @@ func WithStreamInterceptor(f StreamClientInterceptor) DialOption {
}
// WithChainStreamInterceptor returns a DialOption that specifies the chained
// interceptor for streaming RPCs. The first interceptor will be the outer most,
// interceptor for unary RPCs. The first interceptor will be the outer most,
// while the last interceptor will be the inner most wrapper around the real call.
// All interceptors added by this method will be chained, and the interceptor
// defined by WithStreamInterceptor will always be prepended to the chain.

2
vendor/google.golang.org/grpc/doc.go generated vendored
View file

@ -16,8 +16,6 @@
*
*/
//go:generate ./regenerate.sh
/*
Package grpc implements an RPC system called gRPC.

3
vendor/google.golang.org/grpc/go.mod generated vendored
View file

@ -6,8 +6,9 @@ require (
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f
github.com/envoyproxy/go-control-plane v0.9.4
github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
github.com/golang/mock v1.1.1
github.com/golang/protobuf v1.3.3
github.com/google/go-cmp v0.4.0
github.com/google/go-cmp v0.2.0
golang.org/x/net v0.0.0-20190311183353-d8887717615a
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a

4
vendor/google.golang.org/grpc/go.sum generated vendored
View file

@ -23,8 +23,6 @@ github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I
github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@ -52,8 +50,6 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135 h1:5Beo0mZN8dRzgrMMkDp0jc8YXQKx9DiJ2k1dkvGsn5A=
golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=

3
vendor/google.golang.org/grpc/internal/binarylog/binarylog.go generated vendored
View file

@ -25,7 +25,6 @@ import (
"os"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/grpcutil"
)
// Logger is the global binary logger. It can be used to get binary logger for
@ -147,7 +146,7 @@ func (l *logger) setBlacklist(method string) error {
// Each methodLogger returned by this method is a new instance. This is to
// generate sequence id within the call.
func (l *logger) getMethodLogger(methodName string) *MethodLogger {
s, m, err := grpcutil.ParseMethod(methodName)
s, m, err := parseMethodName(methodName)
if err != nil {
grpclog.Infof("binarylogging: failed to parse %q: %v", methodName, err)
return nil

33
vendor/google.golang.org/grpc/internal/binarylog/regenerate.sh generated vendored Normal file
View file

@ -0,0 +1,33 @@
#!/bin/bash
# Copyright 2018 gRPC authors.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
set -eux -o pipefail
TMP=$(mktemp -d)
function finish {
rm -rf "$TMP"
}
trap finish EXIT
pushd "$TMP"
mkdir -p grpc/binarylog/grpc_binarylog_v1
curl https://raw.githubusercontent.com/grpc/grpc-proto/master/grpc/binlog/v1/binarylog.proto > grpc/binarylog/grpc_binarylog_v1/binarylog.proto
protoc --go_out=plugins=grpc,paths=source_relative:. -I. grpc/binarylog/grpc_binarylog_v1/*.proto
popd
rm -f ./grpc_binarylog_v1/*.pb.go
cp "$TMP"/grpc/binarylog/grpc_binarylog_v1/*.pb.go ../../binarylog/grpc_binarylog_v1/

7
vendor/google.golang.org/grpc/internal/grpcutil/method.go → vendor/google.golang.org/grpc/internal/binarylog/util.go generated vendored
View file

@ -16,17 +16,18 @@
*
*/
package grpcutil
package binarylog
import (
"errors"
"strings"
)
// ParseMethod splits service and method from the input. It expects format
// parseMethodName splits service and method from the input. It expects format
// "/service/method".
//
func ParseMethod(methodName string) (service, method string, _ error) {
// TODO: move to internal/grpcutil.
func parseMethodName(methodName string) (service, method string, _ error) {
if !strings.HasPrefix(methodName, "/") {
return "", "", errors.New("invalid method name: should start with /")
}

2
vendor/google.golang.org/grpc/internal/envconfig/envconfig.go generated vendored
View file

@ -34,5 +34,5 @@ var (
// Retry is set if retry is explicitly enabled via "GRPC_GO_RETRY=on".
Retry = strings.EqualFold(os.Getenv(retryStr), "on")
// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false")
TXTErrIgnore = !strings.EqualFold(os.Getenv(retryStr), "false")
)

9
vendor/google.golang.org/grpc/internal/internal.go generated vendored
View file

@ -25,7 +25,6 @@ import (
"time"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/serviceconfig"
)
var (
@ -41,17 +40,9 @@ var (
// NewRequestInfoContext creates a new context based on the argument context attaching
// the passed in RequestInfo to the new context.
NewRequestInfoContext interface{} // func(context.Context, credentials.RequestInfo) context.Context
// NewClientHandshakeInfoContext returns a copy of the input context with
// the passed in ClientHandshakeInfo struct added to it.
NewClientHandshakeInfoContext interface{} // func(context.Context, credentials.ClientHandshakeInfo) context.Context
// ParseServiceConfigForTesting is for creating a fake
// ClientConn for resolver testing only
ParseServiceConfigForTesting interface{} // func(string) *serviceconfig.ParseResult
// EqualServiceConfigForTesting is for testing service config generation and
// parsing. Both a and b should be returned by ParseServiceConfigForTesting.
// This function compares the config without rawJSON stripped, in case the
// there's difference in white space.
EqualServiceConfigForTesting func(a, b serviceconfig.Config) bool
)
// HealthChecker defines the signature of the client-side LB channel health checking function.

11
vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go generated vendored
View file

@ -32,7 +32,6 @@ import (
"sync"
"time"
grpclbstate "google.golang.org/grpc/balancer/grpclb/state"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/envconfig"
"google.golang.org/grpc/internal/grpcrand"
@ -252,7 +251,7 @@ func (d *dnsResolver) lookupSRV() ([]resolver.Address, error) {
return nil, fmt.Errorf("dns: error parsing A record IP address %v", a)
}
addr := ip + ":" + strconv.Itoa(int(s.Port))
newAddrs = append(newAddrs, resolver.Address{Addr: addr, ServerName: s.Target})
newAddrs = append(newAddrs, resolver.Address{Addr: addr, Type: resolver.GRPCLB, ServerName: s.Target})
}
}
return newAddrs, nil
@ -327,15 +326,13 @@ func (d *dnsResolver) lookup() (*resolver.State, error) {
if hostErr != nil && (srvErr != nil || len(srv) == 0) {
return nil, hostErr
}
state := resolver.State{Addresses: addrs}
if len(srv) > 0 {
state = grpclbstate.Set(state, &grpclbstate.State{BalancerAddresses: srv})
state := &resolver.State{
Addresses: append(addrs, srv...),
}
if !d.disableServiceConfig {
state.ServiceConfig = d.lookupTXT()
}
return &state, nil
return state, nil
}
// formatIP returns ok = false if addr is not a valid textual representation of an IP address.

90
vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go generated vendored
View file

@ -1,90 +0,0 @@
/*
*
* Copyright 2020 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
// Package serviceconfig contains utility functions to parse service config.
package serviceconfig
import (
"encoding/json"
"fmt"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/grpclog"
externalserviceconfig "google.golang.org/grpc/serviceconfig"
)
// BalancerConfig is the balancer config part that service config's
// loadBalancingConfig fields can be unmarshalled to. It's a json unmarshaller.
//
// https://github.com/grpc/grpc-proto/blob/54713b1e8bc6ed2d4f25fb4dff527842150b91b2/grpc/service_config/service_config.proto#L247
type BalancerConfig struct {
Name string
Config externalserviceconfig.LoadBalancingConfig
}
type intermediateBalancerConfig []map[string]json.RawMessage
// UnmarshalJSON implements json unmarshaller.
func (bc *BalancerConfig) UnmarshalJSON(b []byte) error {
var ir intermediateBalancerConfig
err := json.Unmarshal(b, &ir)
if err != nil {
return err
}
for i, lbcfg := range ir {
if len(lbcfg) != 1 {
return fmt.Errorf("invalid loadBalancingConfig: entry %v does not contain exactly 1 policy/config pair: %q", i, lbcfg)
}
var (
name string
jsonCfg json.RawMessage
)
// Get the key:value pair from the map.
for name, jsonCfg = range lbcfg {
}
builder := balancer.Get(name)
if builder == nil {
// If the balancer is not registered, move on to the next config.
// This is not an error.
continue
}
bc.Name = name
parser, ok := builder.(balancer.ConfigParser)
if !ok {
if string(jsonCfg) != "{}" {
grpclog.Warningf("non-empty balancer configuration %q, but balancer does not implement ParseConfig", string(jsonCfg))
}
// Stop at this, though the builder doesn't support parsing config.
return nil
}
cfg, err := parser.ParseConfig(jsonCfg)
if err != nil {
return fmt.Errorf("error parsing loadBalancingConfig for policy %q: %v", name, err)
}
bc.Config = cfg
return nil
}
// This is reached when the for loop iterates over all entries, but didn't
// return. This means we had a loadBalancingConfig slice but did not
// encounter a registered policy. The config is considered invalid in this
// case.
return fmt.Errorf("invalid loadBalancingConfig: no supported policies found")
}

23
vendor/google.golang.org/grpc/internal/status/status.go generated vendored
View file

@ -97,7 +97,7 @@ func (s *Status) Err() error {
if s.Code() == codes.OK {
return nil
}
return &Error{e: s.Proto()}
return (*Error)(s.Proto())
}
// WithDetails returns a new status with the provided details messages appended to the status.
@ -136,27 +136,26 @@ func (s *Status) Details() []interface{} {
return details
}
// Error wraps a pointer of a status proto. It implements error and Status,
// and a nil *Error should never be returned by this package.
type Error struct {
e *spb.Status
}
// Error is an alias of a status proto. It implements error and Status,
// and a nil Error should never be returned by this package.
type Error spb.Status
func (e *Error) Error() string {
return fmt.Sprintf("rpc error: code = %s desc = %s", codes.Code(e.e.GetCode()), e.e.GetMessage())
func (se *Error) Error() string {
p := (*spb.Status)(se)
return fmt.Sprintf("rpc error: code = %s desc = %s", codes.Code(p.GetCode()), p.GetMessage())
}
// GRPCStatus returns the Status represented by se.
func (e *Error) GRPCStatus() *Status {
return FromProto(e.e)
func (se *Error) GRPCStatus() *Status {
return FromProto((*spb.Status)(se))
}
// Is implements future error.Is functionality.
// A Error is equivalent if the code and message are identical.
func (e *Error) Is(target error) bool {
func (se *Error) Is(target error) bool {
tse, ok := target.(*Error)
if !ok {
return false
}
return proto.Equal(e.e, tse.e)
return proto.Equal((*spb.Status)(se), (*spb.Status)(tse))
}

2
vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go generated vendored
View file

@ -18,8 +18,6 @@
*
*/
// Package syscall provides functionalities that grpc uses to get low-level
// operating system stats/info.
package syscall
import (

62
vendor/google.golang.org/grpc/internal/transport/controlbuf.go generated vendored
View file

@ -857,56 +857,53 @@ func (l *loopyWriter) processData() (bool, error) {
return false, nil
}
var (
idx int
buf []byte
)
// Figure out the maximum size we can send
maxSize := http2MaxFrameLen
if len(dataItem.h) != 0 { // data header has not been written out yet.
buf = dataItem.h
} else {
idx = 1
buf = dataItem.d
}
size := http2MaxFrameLen
if len(buf) < size {
size = len(buf)
}
if strQuota := int(l.oiws) - str.bytesOutStanding; strQuota <= 0 { // stream-level flow control.
str.state = waitingOnStreamQuota
return false, nil
} else if maxSize > strQuota {
maxSize = strQuota
}
if maxSize > int(l.sendQuota) { // connection-level flow control.
maxSize = int(l.sendQuota)
}
// Compute how much of the header and data we can send within quota and max frame length
hSize := min(maxSize, len(dataItem.h))
dSize := min(maxSize-hSize, len(dataItem.d))
if hSize != 0 {
if dSize == 0 {
buf = dataItem.h
} else {
// We can add some data to grpc message header to distribute bytes more equally across frames.
// Copy on the stack to avoid generating garbage
var localBuf [http2MaxFrameLen]byte
copy(localBuf[:hSize], dataItem.h)
copy(localBuf[hSize:], dataItem.d[:dSize])
buf = localBuf[:hSize+dSize]
}
} else {
buf = dataItem.d
} else if strQuota < size {
size = strQuota
}
size := hSize + dSize
if l.sendQuota < uint32(size) { // connection-level flow control.
size = int(l.sendQuota)
}
// Now that outgoing flow controls are checked we can replenish str's write quota
str.wq.replenish(size)
var endStream bool
// If this is the last data message on this stream and all of it can be written in this iteration.
if dataItem.endStream && len(dataItem.h)+len(dataItem.d) <= size {
if dataItem.endStream && size == len(buf) {
// buf contains either data or it contains header but data is empty.
if idx == 1 || len(dataItem.d) == 0 {
endStream = true
}
}
if dataItem.onEachWrite != nil {
dataItem.onEachWrite()
}
if err := l.framer.fr.WriteData(dataItem.streamID, endStream, buf[:size]); err != nil {
return false, err
}
buf = buf[size:]
str.bytesOutStanding += size
l.sendQuota -= uint32(size)
dataItem.h = dataItem.h[hSize:]
dataItem.d = dataItem.d[dSize:]
if idx == 0 {
dataItem.h = buf
} else {
dataItem.d = buf
}
if len(dataItem.h) == 0 && len(dataItem.d) == 0 { // All the data from that message was written out.
str.itl.dequeue()
@ -927,10 +924,3 @@ func (l *loopyWriter) processData() (bool, error) {
}
return false, nil
}
func min(a, b int) int {
if a < b {
return a
}
return b
}

44
vendor/google.golang.org/grpc/internal/transport/http2_client.go generated vendored
View file

@ -41,7 +41,6 @@ import (
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/stats"
"google.golang.org/grpc/status"
)
@ -162,7 +161,7 @@ func isTemporary(err error) bool {
// newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2
// and starts to receive messages on it. Non-nil error returns if construction
// fails.
func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
func newHTTP2Client(connectCtx, ctx context.Context, addr TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
scheme := "http"
ctx, cancel := context.WithCancel(ctx)
defer func() {
@ -215,20 +214,12 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
}
}
if transportCreds != nil {
// gRPC, resolver, balancer etc. can specify arbitrary data in the
// Attributes field of resolver.Address, which is shoved into connectCtx
// and passed to the credential handshaker. This makes it possible for
// address specific arbitrary data to reach the credential handshaker.
contextWithHandshakeInfo := internal.NewClientHandshakeInfoContext.(func(context.Context, credentials.ClientHandshakeInfo) context.Context)
connectCtx = contextWithHandshakeInfo(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, conn)
scheme = "https"
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.Authority, conn)
if err != nil {
return nil, connectionErrorf(isTemporary(err), err, "transport: authentication handshake failed: %v", err)
}
isSecure = true
if transportCreds.Info().SecurityProtocol == "tls" {
scheme = "https"
}
}
dynamicWindow := true
icwz := int32(initialWindowSize)
@ -563,26 +554,13 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
return callAuthData, nil
}
// PerformedIOError wraps an error to indicate IO may have been performed
// before the error occurred.
type PerformedIOError struct {
Err error
}
// Error implements error.
func (p PerformedIOError) Error() string {
return p.Err.Error()
}
// NewStream creates a stream and registers it into the transport as "active"
// streams.
func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (_ *Stream, err error) {
ctx = peer.NewContext(ctx, t.getPeer())
headerFields, err := t.createHeaderFields(ctx, callHdr)
if err != nil {
// We may have performed I/O in the per-RPC creds callback, so do not
// allow transparent retry.
return nil, PerformedIOError{err}
return nil, err
}
s := t.newStream(ctx, callHdr)
cleanup := func(err error) {
@ -876,10 +854,18 @@ func (t *http2Client) Write(s *Stream, hdr []byte, data []byte, opts *Options) e
df := &dataFrame{
streamID: s.id,
endStream: opts.Last,
h: hdr,
d: data,
}
if hdr != nil || data != nil { // If it's not an empty data frame, check quota.
if hdr != nil || data != nil { // If it's not an empty data frame.
// Add some data to grpc message header so that we can equally
// distribute bytes across frames.
emptyLen := http2MaxFrameLen - len(hdr)
if emptyLen > len(data) {
emptyLen = len(data)
}
hdr = append(hdr, data[:emptyLen]...)
data = data[emptyLen:]
df.h, df.d = hdr, data
// TODO(mmukhi): The above logic in this if can be moved to loopyWriter's data handler.
if err := s.wq.get(int32(len(hdr) + len(data))); err != nil {
return err
}

7
vendor/google.golang.org/grpc/internal/transport/http2_server.go generated vendored
View file

@ -909,6 +909,13 @@ func (t *http2Server) Write(s *Stream, hdr []byte, data []byte, opts *Options) e
return ContextErr(s.ctx.Err())
}
}
// Add some data to header frame so that we can equally distribute bytes across frames.
emptyLen := http2MaxFrameLen - len(hdr)
if emptyLen > len(data) {
emptyLen = len(data)
}
hdr = append(hdr, data[:emptyLen]...)
data = data[emptyLen:]
df := &dataFrame{
streamID: s.id,
h: hdr,

12
vendor/google.golang.org/grpc/internal/transport/transport.go generated vendored
View file

@ -35,7 +35,6 @@ import (
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/stats"
"google.golang.org/grpc/status"
"google.golang.org/grpc/tap"
@ -569,10 +568,17 @@ type ConnectOptions struct {
MaxHeaderListSize *uint32
}
// TargetInfo contains the information of the target such as network address and metadata.
type TargetInfo struct {
Addr string
Metadata interface{}
Authority string
}
// NewClientTransport establishes the transport with the required ConnectOptions
// and returns it to the caller.
func NewClientTransport(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
return newHTTP2Client(connectCtx, ctx, addr, opts, onPrefaceReceipt, onGoAway, onClose)
func NewClientTransport(connectCtx, ctx context.Context, target TargetInfo, opts ConnectOptions, onPrefaceReceipt func(), onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
return newHTTP2Client(connectCtx, ctx, target, opts, onPrefaceReceipt, onGoAway, onClose)
}
// Options provides additional hints and information for message

293
vendor/google.golang.org/grpc/naming/dns_resolver.go generated vendored Normal file
View file

@ -0,0 +1,293 @@
/*
*
* Copyright 2017 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
package naming
import (
"context"
"errors"
"fmt"
"net"
"strconv"
"time"
"google.golang.org/grpc/grpclog"
)
const (
defaultPort = "443"
defaultFreq = time.Minute * 30
)
var (
errMissingAddr = errors.New("missing address")
errWatcherClose = errors.New("watcher has been closed")
lookupHost = net.DefaultResolver.LookupHost
lookupSRV = net.DefaultResolver.LookupSRV
)
// NewDNSResolverWithFreq creates a DNS Resolver that can resolve DNS names, and
// create watchers that poll the DNS server using the frequency set by freq.
func NewDNSResolverWithFreq(freq time.Duration) (Resolver, error) {
return &dnsResolver{freq: freq}, nil
}
// NewDNSResolver creates a DNS Resolver that can resolve DNS names, and create
// watchers that poll the DNS server using the default frequency defined by defaultFreq.
func NewDNSResolver() (Resolver, error) {
return NewDNSResolverWithFreq(defaultFreq)
}
// dnsResolver handles name resolution for names following the DNS scheme
type dnsResolver struct {
// frequency of polling the DNS server that the watchers created by this resolver will use.
freq time.Duration
}
// formatIP returns ok = false if addr is not a valid textual representation of an IP address.
// If addr is an IPv4 address, return the addr and ok = true.
// If addr is an IPv6 address, return the addr enclosed in square brackets and ok = true.
func formatIP(addr string) (addrIP string, ok bool) {
ip := net.ParseIP(addr)
if ip == nil {
return "", false
}
if ip.To4() != nil {
return addr, true
}
return "[" + addr + "]", true
}
// parseTarget takes the user input target string, returns formatted host and port info.
// If target doesn't specify a port, set the port to be the defaultPort.
// If target is in IPv6 format and host-name is enclosed in square brackets, brackets
// are stripped when setting the host.
// examples:
// target: "www.google.com" returns host: "www.google.com", port: "443"
// target: "ipv4-host:80" returns host: "ipv4-host", port: "80"
// target: "[ipv6-host]" returns host: "ipv6-host", port: "443"
// target: ":80" returns host: "localhost", port: "80"
// target: ":" returns host: "localhost", port: "443"
func parseTarget(target string) (host, port string, err error) {
if target == "" {
return "", "", errMissingAddr
}
if ip := net.ParseIP(target); ip != nil {
// target is an IPv4 or IPv6(without brackets) address
return target, defaultPort, nil
}
if host, port, err := net.SplitHostPort(target); err == nil {
// target has port, i.e ipv4-host:port, [ipv6-host]:port, host-name:port
if host == "" {
// Keep consistent with net.Dial(): If the host is empty, as in ":80", the local system is assumed.
host = "localhost"
}
if port == "" {
// If the port field is empty(target ends with colon), e.g. "[::1]:", defaultPort is used.
port = defaultPort
}
return host, port, nil
}
if host, port, err := net.SplitHostPort(target + ":" + defaultPort); err == nil {
// target doesn't have port
return host, port, nil
}
return "", "", fmt.Errorf("invalid target address %v", target)
}
// Resolve creates a watcher that watches the name resolution of the target.
func (r *dnsResolver) Resolve(target string) (Watcher, error) {
host, port, err := parseTarget(target)
if err != nil {
return nil, err
}
if net.ParseIP(host) != nil {
ipWatcher := &ipWatcher{
updateChan: make(chan *Update, 1),
}
host, _ = formatIP(host)
ipWatcher.updateChan <- &Update{Op: Add, Addr: host + ":" + port}
return ipWatcher, nil
}
ctx, cancel := context.WithCancel(context.Background())
return &dnsWatcher{
r: r,
host: host,
port: port,
ctx: ctx,
cancel: cancel,
t: time.NewTimer(0),
}, nil
}
// dnsWatcher watches for the name resolution update for a specific target
type dnsWatcher struct {
r *dnsResolver
host string
port string
// The latest resolved address set
curAddrs map[string]*Update
ctx context.Context
cancel context.CancelFunc
t *time.Timer
}
// ipWatcher watches for the name resolution update for an IP address.
type ipWatcher struct {
updateChan chan *Update
}
// Next returns the address resolution Update for the target. For IP address,
// the resolution is itself, thus polling name server is unnecessary. Therefore,
// Next() will return an Update the first time it is called, and will be blocked
// for all following calls as no Update exists until watcher is closed.
func (i *ipWatcher) Next() ([]*Update, error) {
u, ok := <-i.updateChan
if !ok {
return nil, errWatcherClose
}
return []*Update{u}, nil
}
// Close closes the ipWatcher.
func (i *ipWatcher) Close() {
close(i.updateChan)
}
// AddressType indicates the address type returned by name resolution.
type AddressType uint8
const (
// Backend indicates the server is a backend server.
Backend AddressType = iota
// GRPCLB indicates the server is a grpclb load balancer.
GRPCLB
)
// AddrMetadataGRPCLB contains the information the name resolver for grpclb should provide. The
// name resolver used by the grpclb balancer is required to provide this type of metadata in
// its address updates.
type AddrMetadataGRPCLB struct {
// AddrType is the type of server (grpc load balancer or backend).
AddrType AddressType
// ServerName is the name of the grpc load balancer. Used for authentication.
ServerName string
}
// compileUpdate compares the old resolved addresses and newly resolved addresses,
// and generates an update list
func (w *dnsWatcher) compileUpdate(newAddrs map[string]*Update) []*Update {
var res []*Update
for a, u := range w.curAddrs {
if _, ok := newAddrs[a]; !ok {
u.Op = Delete
res = append(res, u)
}
}
for a, u := range newAddrs {
if _, ok := w.curAddrs[a]; !ok {
res = append(res, u)
}
}
return res
}
func (w *dnsWatcher) lookupSRV() map[string]*Update {
newAddrs := make(map[string]*Update)
_, srvs, err := lookupSRV(w.ctx, "grpclb", "tcp", w.host)
if err != nil {
grpclog.Infof("grpc: failed dns SRV record lookup due to %v.\n", err)
return nil
}
for _, s := range srvs {
lbAddrs, err := lookupHost(w.ctx, s.Target)
if err != nil {
grpclog.Warningf("grpc: failed load balancer address dns lookup due to %v.\n", err)
continue
}
for _, a := range lbAddrs {
a, ok := formatIP(a)
if !ok {
grpclog.Errorf("grpc: failed IP parsing due to %v.\n", err)
continue
}
addr := a + ":" + strconv.Itoa(int(s.Port))
newAddrs[addr] = &Update{Addr: addr,
Metadata: AddrMetadataGRPCLB{AddrType: GRPCLB, ServerName: s.Target}}
}
}
return newAddrs
}
func (w *dnsWatcher) lookupHost() map[string]*Update {
newAddrs := make(map[string]*Update)
addrs, err := lookupHost(w.ctx, w.host)
if err != nil {
grpclog.Warningf("grpc: failed dns A record lookup due to %v.\n", err)
return nil
}
for _, a := range addrs {
a, ok := formatIP(a)
if !ok {
grpclog.Errorf("grpc: failed IP parsing due to %v.\n", err)
continue
}
addr := a + ":" + w.port
newAddrs[addr] = &Update{Addr: addr}
}
return newAddrs
}
func (w *dnsWatcher) lookup() []*Update {
newAddrs := w.lookupSRV()
if newAddrs == nil {
// If failed to get any balancer address (either no corresponding SRV for the
// target, or caused by failure during resolution/parsing of the balancer target),
// return any A record info available.
newAddrs = w.lookupHost()
}
result := w.compileUpdate(newAddrs)
w.curAddrs = newAddrs
return result
}
// Next returns the resolved address update(delta) for the target. If there's no
// change, it will sleep for 30 mins and try to resolve again after that.
func (w *dnsWatcher) Next() ([]*Update, error) {
for {
select {
case <-w.ctx.Done():
return nil, errWatcherClose
case <-w.t.C:
}
result := w.lookup()
// Next lookup should happen after an interval defined by w.r.freq.
w.t.Reset(w.r.freq)
if len(result) > 0 {
return result, nil
}
}
}
func (w *dnsWatcher) Close() {
w.cancel()
}

68
vendor/google.golang.org/grpc/naming/naming.go generated vendored Normal file
View file

@ -0,0 +1,68 @@
/*
*
* Copyright 2014 gRPC authors.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
*/
// Package naming defines the naming API and related data structures for gRPC.
//
// This package is deprecated: please use package resolver instead.
package naming
// Operation defines the corresponding operations for a name resolution change.
//
// Deprecated: please use package resolver.
type Operation uint8
const (
// Add indicates a new address is added.
Add Operation = iota
// Delete indicates an existing address is deleted.
Delete
)
// Update defines a name resolution update. Notice that it is not valid having both
// empty string Addr and nil Metadata in an Update.
//
// Deprecated: please use package resolver.
type Update struct {
// Op indicates the operation of the update.
Op Operation
// Addr is the updated address. It is empty string if there is no address update.
Addr string
// Metadata is the updated metadata. It is nil if there is no metadata update.
// Metadata is not required for a custom naming implementation.
Metadata interface{}
}
// Resolver creates a Watcher for a target to track its resolution changes.
//
// Deprecated: please use package resolver.
type Resolver interface {
// Resolve creates a Watcher for target.
Resolve(target string) (Watcher, error)
}
// Watcher watches for the updates on the specified target.
//
// Deprecated: please use package resolver.
type Watcher interface {
// Next blocks until an update or error happens. It may return one or more
// updates. The first call should get the full set of the results. It should
// return an error if and only if Watcher cannot recover.
Next() ([]*Update, error)
// Close closes the Watcher.
Close()
}

67
vendor/google.golang.org/grpc/picker_wrapper.go generated vendored
View file

@ -20,6 +20,7 @@ package grpc
import (
"context"
"fmt"
"io"
"sync"
@ -31,21 +32,68 @@ import (
"google.golang.org/grpc/status"
)
// v2PickerWrapper wraps a balancer.Picker while providing the
// balancer.V2Picker API. It requires a pickerWrapper to generate errors
// including the latest connectionError. To be deleted when balancer.Picker is
// updated to the balancer.V2Picker API.
type v2PickerWrapper struct {
picker balancer.Picker
connErr *connErr
}
func (v *v2PickerWrapper) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
sc, done, err := v.picker.Pick(info.Ctx, info)
if err != nil {
if err == balancer.ErrTransientFailure {
return balancer.PickResult{}, balancer.TransientFailureError(fmt.Errorf("%v, latest connection error: %v", err, v.connErr.connectionError()))
}
return balancer.PickResult{}, err
}
return balancer.PickResult{SubConn: sc, Done: done}, nil
}
// pickerWrapper is a wrapper of balancer.Picker. It blocks on certain pick
// actions and unblock when there's a picker update.
type pickerWrapper struct {
mu sync.Mutex
done bool
blockingCh chan struct{}
picker balancer.Picker
picker balancer.V2Picker
// The latest connection error. TODO: remove when V1 picker is deprecated;
// balancer should be responsible for providing the error.
*connErr
}
type connErr struct {
mu sync.Mutex
err error
}
func (c *connErr) updateConnectionError(err error) {
c.mu.Lock()
c.err = err
c.mu.Unlock()
}
func (c *connErr) connectionError() error {
c.mu.Lock()
err := c.err
c.mu.Unlock()
return err
}
func newPickerWrapper() *pickerWrapper {
return &pickerWrapper{blockingCh: make(chan struct{})}
return &pickerWrapper{blockingCh: make(chan struct{}), connErr: &connErr{}}
}
// updatePicker is called by UpdateBalancerState. It unblocks all blocked pick.
func (pw *pickerWrapper) updatePicker(p balancer.Picker) {
pw.updatePickerV2(&v2PickerWrapper{picker: p, connErr: pw.connErr})
}
// updatePicker is called by UpdateBalancerState. It unblocks all blocked pick.
func (pw *pickerWrapper) updatePickerV2(p balancer.V2Picker) {
pw.mu.Lock()
if pw.done {
pw.mu.Unlock()
@ -106,6 +154,8 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
var errStr string
if lastPickErr != nil {
errStr = "latest balancer error: " + lastPickErr.Error()
} else if connectionErr := pw.connectionError(); connectionErr != nil {
errStr = "latest connection error: " + connectionErr.Error()
} else {
errStr = ctx.Err().Error()
}
@ -130,18 +180,19 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
if err == balancer.ErrNoSubConnAvailable {
continue
}
if _, ok := status.FromError(err); ok {
// Status error: end the RPC unconditionally with this status.
return nil, nil, err
}
// For all other errors, wait for ready RPCs should block and other
// RPCs should fail with unavailable.
if tfe, ok := err.(interface{ IsTransientFailure() bool }); ok && tfe.IsTransientFailure() {
if !failfast {
lastPickErr = err
continue
}
return nil, nil, status.Error(codes.Unavailable, err.Error())
}
if _, ok := status.FromError(err); ok {
return nil, nil, err
}
// err is some other error.
return nil, nil, status.Error(codes.Unknown, err.Error())
}
acw, ok := pickResult.SubConn.(*acBalancerWrapper)
if !ok {

36
vendor/google.golang.org/grpc/pickfirst.go generated vendored
View file

@ -20,11 +20,13 @@ package grpc
import (
"errors"
"fmt"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/status"
)
// PickFirstBalancerName is the name of the pick_first balancer.
@ -50,13 +52,27 @@ type pickfirstBalancer struct {
sc balancer.SubConn
}
var _ balancer.V2Balancer = &pickfirstBalancer{} // Assert we implement v2
func (b *pickfirstBalancer) HandleResolvedAddrs(addrs []resolver.Address, err error) {
if err != nil {
b.ResolverError(err)
return
}
b.UpdateClientConnState(balancer.ClientConnState{ResolverState: resolver.State{Addresses: addrs}}) // Ignore error
}
func (b *pickfirstBalancer) HandleSubConnStateChange(sc balancer.SubConn, s connectivity.State) {
b.UpdateSubConnState(sc, balancer.SubConnState{ConnectivityState: s})
}
func (b *pickfirstBalancer) ResolverError(err error) {
switch b.state {
case connectivity.TransientFailure, connectivity.Idle, connectivity.Connecting:
// Set a failing picker if we don't have a good picker.
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
Picker: &picker{err: fmt.Errorf("name resolver error: %v", err)},
})
Picker: &picker{err: status.Errorf(codes.Unavailable, "name resolver error: %v", err)}},
)
}
if grpclog.V(2) {
grpclog.Infof("pickfirstBalancer: ResolverError called with error %v", err)
@ -77,8 +93,8 @@ func (b *pickfirstBalancer) UpdateClientConnState(cs balancer.ClientConnState) e
}
b.state = connectivity.TransientFailure
b.cc.UpdateState(balancer.State{ConnectivityState: connectivity.TransientFailure,
Picker: &picker{err: fmt.Errorf("error creating connection: %v", err)},
})
Picker: &picker{err: status.Errorf(codes.Unavailable, "error creating connection: %v", err)}},
)
return balancer.ErrBadResolverState
}
b.state = connectivity.Idle
@ -93,7 +109,7 @@ func (b *pickfirstBalancer) UpdateClientConnState(cs balancer.ClientConnState) e
func (b *pickfirstBalancer) UpdateSubConnState(sc balancer.SubConn, s balancer.SubConnState) {
if grpclog.V(2) {
grpclog.Infof("pickfirstBalancer: UpdateSubConnState: %p, %v", sc, s)
grpclog.Infof("pickfirstBalancer: HandleSubConnStateChange: %p, %v", sc, s)
}
if b.sc != sc {
if grpclog.V(2) {
@ -113,9 +129,15 @@ func (b *pickfirstBalancer) UpdateSubConnState(sc balancer.SubConn, s balancer.S
case connectivity.Connecting:
b.cc.UpdateState(balancer.State{ConnectivityState: s.ConnectivityState, Picker: &picker{err: balancer.ErrNoSubConnAvailable}})
case connectivity.TransientFailure:
err := balancer.ErrTransientFailure
// TODO: this can be unconditional after the V1 API is removed, as
// SubConnState will always contain a connection error.
if s.ConnectionError != nil {
err = balancer.TransientFailureError(s.ConnectionError)
}
b.cc.UpdateState(balancer.State{
ConnectivityState: s.ConnectivityState,
Picker: &picker{err: s.ConnectionError},
Picker: &picker{err: err},
})
}
}

79
vendor/google.golang.org/grpc/regenerate.sh generated vendored
View file

@ -1,79 +0,0 @@
#!/bin/bash
# Copyright 2020 gRPC authors.
#
# 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
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# 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.
set -eu -o pipefail
WORKDIR=$(mktemp -d)
function finish {
rm -rf "$WORKDIR"
}
trap finish EXIT
export GOBIN=${WORKDIR}/bin
export PATH=${GOBIN}:${PATH}
mkdir -p ${GOBIN}
echo "go install github.com/golang/protobuf/protoc-gen-go"
(cd test/tools && go install github.com/golang/protobuf/protoc-gen-go)
echo "go install cmd/protoc-gen-go-grpc"
(cd cmd/protoc-gen-go-grpc && go install .)
echo "git clone https://github.com/grpc/grpc-proto"
git clone --quiet https://github.com/grpc/grpc-proto ${WORKDIR}/grpc-proto
mkdir -p ${WORKDIR}/googleapis/google/rpc
echo "curl https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto"
curl --silent https://raw.githubusercontent.com/googleapis/googleapis/master/google/rpc/code.proto > ${WORKDIR}/googleapis/google/rpc/code.proto
mkdir -p ${WORKDIR}/out
SOURCES=(
${WORKDIR}/googleapis/google/rpc/code.proto
${WORKDIR}/grpc-proto/grpc/binlog/v1/binarylog.proto
${WORKDIR}/grpc-proto/grpc/channelz/v1/channelz.proto
${WORKDIR}/grpc-proto/grpc/gcp/altscontext.proto
${WORKDIR}/grpc-proto/grpc/gcp/handshaker.proto
${WORKDIR}/grpc-proto/grpc/gcp/transport_security_common.proto
${WORKDIR}/grpc-proto/grpc/health/v1/health.proto
${WORKDIR}/grpc-proto/grpc/lb/v1/load_balancer.proto
${WORKDIR}/grpc-proto/grpc/lookup/v1/rls.proto
${WORKDIR}/grpc-proto/grpc/service_config/service_config.proto
$(git ls-files --exclude-standard --cached --others "*.proto")
)
OPTS=Mgrpc/service_config/service_config.proto=/internal/proto/grpc_service_config
for src in ${SOURCES[@]}; do
echo "protoc ${src}"
protoc --go_out=${OPTS}:${WORKDIR}/out --go-grpc_out=${OPTS},requireUnimplementedServers=false:${WORKDIR}/out \
-I"." \
-I${WORKDIR}/grpc-proto \
-I${WORKDIR}/googleapis \
${src}
done
# The go_package option in grpc/lookup/v1/rls.proto doesn't match the
# current location. Move it into the right place.
mkdir -p ${WORKDIR}/out/google.golang.org/grpc/balancer/rls/internal/proto/grpc_lookup_v1
mv ${WORKDIR}/out/google.golang.org/grpc/lookup/grpc_lookup_v1/* ${WORKDIR}/out/google.golang.org/grpc/balancer/rls/internal/proto/grpc_lookup_v1
# grpc_testingv3/testv3.pb.go is not re-generated because it was
# intentionally generated by an older version of protoc-gen-go.
rm ${WORKDIR}/out/google.golang.org/grpc/reflection/grpc_testingv3/*.pb.go
# grpc/service_config/service_config.proto does not have a go_package option.
cp ${WORKDIR}/out/grpc/service_config/service_config.pb.go internal/proto/grpc_service_config
cp -R ${WORKDIR}/out/google.golang.org/grpc/* .

5
vendor/google.golang.org/grpc/resolver/resolver.go generated vendored
View file

@ -85,10 +85,7 @@ const (
Backend AddressType = iota
// GRPCLB indicates the address is for a grpclb load balancer.
//
// Deprecated: to select the GRPCLB load balancing policy, use a service
// config with a corresponding loadBalancingConfig. To supply balancer
// addresses to the GRPCLB load balancing policy, set State.Attributes
// using balancer/grpclb/state.Set.
// Deprecated: use Attributes in Address instead.
GRPCLB
)

41
vendor/google.golang.org/grpc/rpc_util.go generated vendored
View file

@ -155,6 +155,7 @@ func (d *gzipDecompressor) Type() string {
type callInfo struct {
compressorType string
failFast bool
stream ClientStream
maxReceiveMessageSize *int
maxSendMessageSize *int
creds credentials.PerRPCCredentials
@ -179,7 +180,7 @@ type CallOption interface {
// after is called after the call has completed. after cannot return an
// error, so any failures should be reported via output parameters.
after(*callInfo, *csAttempt)
after(*callInfo)
}
// EmptyCallOption does not alter the Call configuration.
@ -188,7 +189,7 @@ type CallOption interface {
type EmptyCallOption struct{}
func (EmptyCallOption) before(*callInfo) error { return nil }
func (EmptyCallOption) after(*callInfo, *csAttempt) {}
func (EmptyCallOption) after(*callInfo) {}
// Header returns a CallOptions that retrieves the header metadata
// for a unary RPC.
@ -204,8 +205,10 @@ type HeaderCallOption struct {
}
func (o HeaderCallOption) before(c *callInfo) error { return nil }
func (o HeaderCallOption) after(c *callInfo, attempt *csAttempt) {
*o.HeaderAddr, _ = attempt.s.Header()
func (o HeaderCallOption) after(c *callInfo) {
if c.stream != nil {
*o.HeaderAddr, _ = c.stream.Header()
}
}
// Trailer returns a CallOptions that retrieves the trailer metadata
@ -222,8 +225,10 @@ type TrailerCallOption struct {
}
func (o TrailerCallOption) before(c *callInfo) error { return nil }
func (o TrailerCallOption) after(c *callInfo, attempt *csAttempt) {
*o.TrailerAddr = attempt.s.Trailer()
func (o TrailerCallOption) after(c *callInfo) {
if c.stream != nil {
*o.TrailerAddr = c.stream.Trailer()
}
}
// Peer returns a CallOption that retrieves peer information for a unary RPC.
@ -240,11 +245,13 @@ type PeerCallOption struct {
}
func (o PeerCallOption) before(c *callInfo) error { return nil }
func (o PeerCallOption) after(c *callInfo, attempt *csAttempt) {
if x, ok := peer.FromContext(attempt.s.Context()); ok {
func (o PeerCallOption) after(c *callInfo) {
if c.stream != nil {
if x, ok := peer.FromContext(c.stream.Context()); ok {
*o.PeerAddr = *x
}
}
}
// WaitForReady configures the action to take when an RPC is attempted on broken
// connections or unreachable servers. If waitForReady is false, the RPC will fail
@ -278,7 +285,7 @@ func (o FailFastCallOption) before(c *callInfo) error {
c.failFast = o.FailFast
return nil
}
func (o FailFastCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o FailFastCallOption) after(c *callInfo) {}
// MaxCallRecvMsgSize returns a CallOption which sets the maximum message size
// in bytes the client can receive.
@ -297,7 +304,7 @@ func (o MaxRecvMsgSizeCallOption) before(c *callInfo) error {
c.maxReceiveMessageSize = &o.MaxRecvMsgSize
return nil
}
func (o MaxRecvMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o MaxRecvMsgSizeCallOption) after(c *callInfo) {}
// MaxCallSendMsgSize returns a CallOption which sets the maximum message size
// in bytes the client can send.
@ -316,7 +323,7 @@ func (o MaxSendMsgSizeCallOption) before(c *callInfo) error {
c.maxSendMessageSize = &o.MaxSendMsgSize
return nil
}
func (o MaxSendMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o MaxSendMsgSizeCallOption) after(c *callInfo) {}
// PerRPCCredentials returns a CallOption that sets credentials.PerRPCCredentials
// for a call.
@ -335,7 +342,7 @@ func (o PerRPCCredsCallOption) before(c *callInfo) error {
c.creds = o.Creds
return nil
}
func (o PerRPCCredsCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o PerRPCCredsCallOption) after(c *callInfo) {}
// UseCompressor returns a CallOption which sets the compressor used when
// sending the request. If WithCompressor is also set, UseCompressor has
@ -356,7 +363,7 @@ func (o CompressorCallOption) before(c *callInfo) error {
c.compressorType = o.CompressorType
return nil
}
func (o CompressorCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o CompressorCallOption) after(c *callInfo) {}
// CallContentSubtype returns a CallOption that will set the content-subtype
// for a call. For example, if content-subtype is "json", the Content-Type over
@ -389,7 +396,7 @@ func (o ContentSubtypeCallOption) before(c *callInfo) error {
c.contentSubtype = o.ContentSubtype
return nil
}
func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o ContentSubtypeCallOption) after(c *callInfo) {}
// ForceCodec returns a CallOption that will set the given Codec to be
// used for all request and response messages for a call. The result of calling
@ -421,7 +428,7 @@ func (o ForceCodecCallOption) before(c *callInfo) error {
c.codec = o.Codec
return nil
}
func (o ForceCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o ForceCodecCallOption) after(c *callInfo) {}
// CallCustomCodec behaves like ForceCodec, but accepts a grpc.Codec instead of
// an encoding.Codec.
@ -443,7 +450,7 @@ func (o CustomCodecCallOption) before(c *callInfo) error {
c.codec = o.Codec
return nil
}
func (o CustomCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o CustomCodecCallOption) after(c *callInfo) {}
// MaxRetryRPCBufferSize returns a CallOption that limits the amount of memory
// used for buffering this RPC's requests for retry purposes.
@ -464,7 +471,7 @@ func (o MaxRetryRPCBufferSizeCallOption) before(c *callInfo) error {
c.maxRetryRPCBufferSize = o.MaxRetryRPCBufferSize
return nil
}
func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo, attempt *csAttempt) {}
func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo) {}
// The format of the payload: compressed or not?
type payloadFormat uint8

94
vendor/google.golang.org/grpc/server.go generated vendored
View file

@ -42,7 +42,6 @@ import (
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal/binarylog"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/internal/grpcrand"
"google.golang.org/grpc/internal/grpcsync"
"google.golang.org/grpc/internal/transport"
"google.golang.org/grpc/keepalive"
@ -88,12 +87,6 @@ type service struct {
mdata interface{}
}
type serverWorkerData struct {
st transport.ServerTransport
wg *sync.WaitGroup
stream *transport.Stream
}
// Server is a gRPC server to serve RPC requests.
type Server struct {
opts serverOptions
@ -114,8 +107,6 @@ type Server struct {
channelzID int64 // channelz unique identification number
czData *channelzData
serverWorkerChannels []chan *serverWorkerData
}
type serverOptions struct {
@ -142,7 +133,6 @@ type serverOptions struct {
connectionTimeout time.Duration
maxHeaderListSize *uint32
headerTableSize *uint32
numServerWorkers uint32
}
var defaultServerOptions = serverOptions{
@ -345,7 +335,7 @@ func StreamInterceptor(i StreamServerInterceptor) ServerOption {
}
// ChainStreamInterceptor returns a ServerOption that specifies the chained interceptor
// for streaming RPCs. The first interceptor will be the outer most,
// for stream RPCs. The first interceptor will be the outer most,
// while the last interceptor will be the inner most wrapper around the real call.
// All stream interceptors added by this method will be chained.
func ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOption {
@ -420,66 +410,6 @@ func HeaderTableSize(s uint32) ServerOption {
})
}
// NumStreamWorkers returns a ServerOption that sets the number of worker
// goroutines that should be used to process incoming streams. Setting this to
// zero (default) will disable workers and spawn a new goroutine for each
// stream.
//
// This API is EXPERIMENTAL.
func NumStreamWorkers(numServerWorkers uint32) ServerOption {
// TODO: If/when this API gets stabilized (i.e. stream workers become the
// only way streams are processed), change the behavior of the zero value to
// a sane default. Preliminary experiments suggest that a value equal to the
// number of CPUs available is most performant; requires thorough testing.
return newFuncServerOption(func(o *serverOptions) {
o.numServerWorkers = numServerWorkers
})
}
// serverWorkerResetThreshold defines how often the stack must be reset. Every
// N requests, by spawning a new goroutine in its place, a worker can reset its
// stack so that large stacks don't live in memory forever. 2^16 should allow
// each goroutine stack to live for at least a few seconds in a typical
// workload (assuming a QPS of a few thousand requests/sec).
const serverWorkerResetThreshold = 1 << 16
// serverWorkers blocks on a *transport.Stream channel forever and waits for
// data to be fed by serveStreams. This allows different requests to be
// processed by the same goroutine, removing the need for expensive stack
// re-allocations (see the runtime.morestack problem [1]).
//
// [1] https://github.com/golang/go/issues/18138
func (s *Server) serverWorker(ch chan *serverWorkerData) {
// To make sure all server workers don't reset at the same time, choose a
// random number of iterations before resetting.
threshold := serverWorkerResetThreshold + grpcrand.Intn(serverWorkerResetThreshold)
for completed := 0; completed < threshold; completed++ {
data, ok := <-ch
if !ok {
return
}
s.handleStream(data.st, data.stream, s.traceInfo(data.st, data.stream))
data.wg.Done()
}
go s.serverWorker(ch)
}
// initServerWorkers creates worker goroutines and channels to process incoming
// connections to reduce the time spent overall on runtime.morestack.
func (s *Server) initServerWorkers() {
s.serverWorkerChannels = make([]chan *serverWorkerData, s.opts.numServerWorkers)
for i := uint32(0); i < s.opts.numServerWorkers; i++ {
s.serverWorkerChannels[i] = make(chan *serverWorkerData)
go s.serverWorker(s.serverWorkerChannels[i])
}
}
func (s *Server) stopServerWorkers() {
for i := uint32(0); i < s.opts.numServerWorkers; i++ {
close(s.serverWorkerChannels[i])
}
}
// NewServer creates a gRPC server which has no service registered and has not
// started to accept requests yet.
func NewServer(opt ...ServerOption) *Server {
@ -504,10 +434,6 @@ func NewServer(opt ...ServerOption) *Server {
s.events = trace.NewEventLog("grpc.Server", fmt.Sprintf("%s:%d", file, line))
}
if s.opts.numServerWorkers > 0 {
s.initServerWorkers()
}
if channelz.IsOn() {
s.channelzID = channelz.RegisterServer(&channelzServer{s}, "")
}
@ -813,27 +739,12 @@ func (s *Server) newHTTP2Transport(c net.Conn, authInfo credentials.AuthInfo) tr
func (s *Server) serveStreams(st transport.ServerTransport) {
defer st.Close()
var wg sync.WaitGroup
var roundRobinCounter uint32
st.HandleStreams(func(stream *transport.Stream) {
wg.Add(1)
if s.opts.numServerWorkers > 0 {
data := &serverWorkerData{st: st, wg: &wg, stream: stream}
select {
case s.serverWorkerChannels[atomic.AddUint32(&roundRobinCounter, 1)%s.opts.numServerWorkers] <- data:
default:
// If all stream workers are busy, fallback to the default code path.
go func() {
s.handleStream(st, stream, s.traceInfo(st, stream))
wg.Done()
}()
}
} else {
go func() {
defer wg.Done()
s.handleStream(st, stream, s.traceInfo(st, stream))
}()
}
}, func(ctx context.Context, method string) context.Context {
if !EnableTracing {
return ctx
@ -1596,9 +1507,6 @@ func (s *Server) Stop() {
for c := range st {
c.Close()
}
if s.opts.numServerWorkers > 0 {
s.stopServerWorkers()
}
s.mu.Lock()
if s.events != nil {

78
vendor/google.golang.org/grpc/service_config.go generated vendored
View file

@ -21,15 +21,14 @@ package grpc
import (
"encoding/json"
"fmt"
"reflect"
"strconv"
"strings"
"time"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/grpclog"
"google.golang.org/grpc/internal"
internalserviceconfig "google.golang.org/grpc/internal/serviceconfig"
"google.golang.org/grpc/serviceconfig"
)
@ -80,7 +79,7 @@ type ServiceConfig struct {
serviceconfig.Config
// LB is the load balancer the service providers recommends. The balancer
// specified via grpc.WithBalancerName will override this. This is deprecated;
// specified via grpc.WithBalancer will override this. This is deprecated;
// lbConfigs is preferred. If lbConfig and LB are both present, lbConfig
// will be used.
LB *string
@ -250,10 +249,12 @@ type jsonMC struct {
RetryPolicy *jsonRetryPolicy
}
type loadBalancingConfig map[string]json.RawMessage
// TODO(lyuxuan): delete this struct after cleaning up old service config implementation.
type jsonSC struct {
LoadBalancingPolicy *string
LoadBalancingConfig *internalserviceconfig.BalancerConfig
LoadBalancingConfig *[]loadBalancingConfig
MethodConfig *[]jsonMC
RetryThrottling *retryThrottlingPolicy
HealthCheckConfig *healthCheckConfig
@ -279,10 +280,40 @@ func parseServiceConfig(js string) *serviceconfig.ParseResult {
healthCheckConfig: rsc.HealthCheckConfig,
rawJSONString: js,
}
if c := rsc.LoadBalancingConfig; c != nil {
sc.lbConfig = &lbConfig{
name: c.Name,
cfg: c.Config,
if rsc.LoadBalancingConfig != nil {
for i, lbcfg := range *rsc.LoadBalancingConfig {
if len(lbcfg) != 1 {
err := fmt.Errorf("invalid loadBalancingConfig: entry %v does not contain exactly 1 policy/config pair: %q", i, lbcfg)
grpclog.Warningf(err.Error())
return &serviceconfig.ParseResult{Err: err}
}
var name string
var jsonCfg json.RawMessage
for name, jsonCfg = range lbcfg {
}
builder := balancer.Get(name)
if builder == nil {
continue
}
sc.lbConfig = &lbConfig{name: name}
if parser, ok := builder.(balancer.ConfigParser); ok {
var err error
sc.lbConfig.cfg, err = parser.ParseConfig(jsonCfg)
if err != nil {
return &serviceconfig.ParseResult{Err: fmt.Errorf("error parsing loadBalancingConfig for policy %q: %v", name, err)}
}
} else if string(jsonCfg) != "{}" {
grpclog.Warningf("non-empty balancer configuration %q, but balancer does not implement ParseConfig", string(jsonCfg))
}
break
}
if sc.lbConfig == nil {
// We had a loadBalancingConfig field but did not encounter a
// supported policy. The config is considered invalid in this
// case.
err := fmt.Errorf("invalid loadBalancingConfig: no supported policies found")
grpclog.Warningf(err.Error())
return &serviceconfig.ParseResult{Err: err}
}
}
@ -401,34 +432,3 @@ func getMaxSize(mcMax, doptMax *int, defaultVal int) *int {
func newInt(b int) *int {
return &b
}
func init() {
internal.EqualServiceConfigForTesting = equalServiceConfig
}
// equalServiceConfig compares two configs. The rawJSONString field is ignored,
// because they may diff in white spaces.
//
// If any of them is NOT *ServiceConfig, return false.
func equalServiceConfig(a, b serviceconfig.Config) bool {
aa, ok := a.(*ServiceConfig)
if !ok {
return false
}
bb, ok := b.(*ServiceConfig)
if !ok {
return false
}
aaRaw := aa.rawJSONString
aa.rawJSONString = ""
bbRaw := bb.rawJSONString
bb.rawJSONString = ""
defer func() {
aa.rawJSONString = aaRaw
bb.rawJSONString = bbRaw
}()
// Using reflect.DeepEqual instead of cmp.Equal because many balancer
// configs are unexported, and cmp.Equal cannot compare unexported fields
// from unexported structs.
return reflect.DeepEqual(aa, bb)
}

2
vendor/google.golang.org/grpc/stats/stats.go generated vendored
View file

@ -16,6 +16,8 @@
*
*/
//go:generate protoc --go_out=plugins=grpc:. grpc_testing/test.proto
// Package stats is for collecting and reporting various network and RPC stats.
// This package is for monitoring purpose only. All fields are read-only.
// All APIs are experimental.

45
vendor/google.golang.org/grpc/stream.go generated vendored
View file

@ -277,6 +277,7 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
}
cs.binlog = binarylog.GetMethodLogger(method)
cs.callInfo.stream = cs
// Only this initial attempt has stats/tracing.
// TODO(dfawley): move to newAttempt when per-attempt stats are implemented.
if err := cs.newAttemptLocked(sh, trInfo); err != nil {
@ -364,11 +365,6 @@ func (a *csAttempt) newStream() error {
cs.callHdr.PreviousAttempts = cs.numRetries
s, err := a.t.NewStream(cs.ctx, cs.callHdr)
if err != nil {
if _, ok := err.(transport.PerformedIOError); ok {
// Return without converting to an RPC error so retry code can
// inspect.
return err
}
return toRPCErr(err)
}
cs.attempt.s = s
@ -464,22 +460,12 @@ func (cs *clientStream) commitAttempt() {
// shouldRetry returns nil if the RPC should be retried; otherwise it returns
// the error that should be returned by the operation.
func (cs *clientStream) shouldRetry(err error) error {
unprocessed := false
if cs.attempt.s == nil {
pioErr, ok := err.(transport.PerformedIOError)
if ok {
// Unwrap error.
err = toRPCErr(pioErr.Err)
} else {
unprocessed = true
}
if !ok && !cs.callInfo.failFast {
// In the event of a non-IO operation error from NewStream, we
if cs.attempt.s == nil && !cs.callInfo.failFast {
// In the event of any error from NewStream (attempt.s == nil), we
// never attempted to write anything to the wire, so we can retry
// indefinitely for non-fail-fast RPCs.
return nil
}
}
if cs.finished || cs.committed {
// RPC is finished or committed; cannot retry.
return err
@ -487,12 +473,13 @@ func (cs *clientStream) shouldRetry(err error) error {
// Wait for the trailers.
if cs.attempt.s != nil {
<-cs.attempt.s.Done()
unprocessed = cs.attempt.s.Unprocessed()
}
if cs.firstAttempt && unprocessed {
if cs.firstAttempt && (cs.attempt.s == nil || cs.attempt.s.Unprocessed()) {
// First attempt, stream unprocessed: transparently retry.
cs.firstAttempt = false
return nil
}
cs.firstAttempt = false
if cs.cc.dopts.disableRetry {
return err
}
@ -578,7 +565,6 @@ func (cs *clientStream) retryLocked(lastErr error) error {
cs.commitAttemptLocked()
return err
}
cs.firstAttempt = false
if err := cs.newAttemptLocked(nil, nil); err != nil {
return err
}
@ -813,15 +799,6 @@ func (cs *clientStream) finish(err error) {
}
cs.finished = true
cs.commitAttemptLocked()
if cs.attempt != nil {
cs.attempt.finish(err)
// after functions all rely upon having a stream.
if cs.attempt.s != nil {
for _, o := range cs.opts {
o.after(cs.callInfo, cs.attempt)
}
}
}
cs.mu.Unlock()
// For binary logging. only log cancel in finish (could be caused by RPC ctx
// canceled or ClientConn closed). Trailer will be logged in RecvMsg.
@ -843,6 +820,15 @@ func (cs *clientStream) finish(err error) {
cs.cc.incrCallsSucceeded()
}
}
if cs.attempt != nil {
cs.attempt.finish(err)
// after functions all rely upon having a stream.
if cs.attempt.s != nil {
for _, o := range cs.opts {
o.after(cs.callInfo)
}
}
}
cs.cancel()
}
@ -1080,6 +1066,7 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
t: t,
}
as.callInfo.stream = as
s, err := as.t.NewStream(as.ctx, as.callHdr)
if err != nil {
err = toRPCErr(err)

2
vendor/google.golang.org/grpc/version.go generated vendored
View file

@ -19,4 +19,4 @@
package grpc
// Version is the current grpc version.
const Version = "1.30.0"
const Version = "1.29.1"

52
vendor/google.golang.org/grpc/vet.sh generated vendored
View file

@ -39,7 +39,8 @@ if [[ "$1" = "-install" ]]; then
golang.org/x/lint/golint \
golang.org/x/tools/cmd/goimports \
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
github.com/client9/misspell/cmd/misspell \
github.com/golang/protobuf/protoc-gen-go
popd
else
# Ye olde `go get` incantation.
@ -49,7 +50,8 @@ if [[ "$1" = "-install" ]]; then
golang.org/x/lint/golint \
golang.org/x/tools/cmd/goimports \
honnef.co/go/tools/cmd/staticcheck \
github.com/client9/misspell/cmd/misspell
github.com/client9/misspell/cmd/misspell \
github.com/golang/protobuf/protoc-gen-go
fi
if [[ -z "${VET_SKIP_PROTO}" ]]; then
if [[ "${TRAVIS}" = "true" ]]; then
@ -86,9 +88,6 @@ git grep -l '"math/rand"' -- "*.go" 2>&1 | not grep -v '^examples\|^stress\|grpc
# - Ensure all ptypes proto packages are renamed when importing.
not git grep "\(import \|^\s*\)\"github.com/golang/protobuf/ptypes/" -- "*.go"
# - Ensure all xds proto imports are renamed to *pb or *grpc.
git grep '"github.com/envoyproxy/go-control-plane/envoy' -- '*.go' | not grep -v 'pb "\|grpc "'
# - Check imports that are illegal in appengine (until Go 1.11).
# TODO: Remove when we drop Go 1.10 support
go list -f {{.Dir}} ./... | xargs go run test/go_vet/vet.go
@ -124,13 +123,14 @@ staticcheck -go 1.9 -checks 'inherit,-ST1015' ./... > "${SC_OUT}" || true
# Error if anything other than deprecation warnings are printed.
not grep -v "is deprecated:.*SA1019" "${SC_OUT}"
# Only ignore the following deprecated types/fields/functions.
not grep -Fv '.CredsBundle
not grep -Fv '.HandleResolvedAddrs
.HandleSubConnStateChange
.HeaderMap
.Metadata is deprecated: use Attributes
.NewAddress
.NewServiceConfig
.Metadata is deprecated: use Attributes
.Type is deprecated: use Attributes
balancer.ErrTransientFailure
.UpdateBalancerState
balancer.Picker
grpc.CallCustomCodec
grpc.Code
@ -142,7 +142,9 @@ grpc.NewGZIPCompressor
grpc.NewGZIPDecompressor
grpc.RPCCompressor
grpc.RPCDecompressor
grpc.RoundRobin
grpc.ServiceConfig
grpc.WithBalancer
grpc.WithBalancerName
grpc.WithCompressor
grpc.WithDecompressor
@ -152,38 +154,10 @@ grpc.WithServiceConfig
grpc.WithTimeout
http.CloseNotifier
info.SecurityVersion
naming.Resolver
naming.Update
naming.Watcher
resolver.Backend
resolver.GRPCLB' "${SC_OUT}"
# - special golint on package comments.
lint_package_comment_per_package() {
# Number of files in this go package.
fileCount=$(go list -f '{{len .GoFiles}}' $1)
if [ ${fileCount} -eq 0 ]; then
return 0
fi
# Number of package errors generated by golint.
lintPackageCommentErrorsCount=$(golint --min_confidence 0 $1 | grep -c "should have a package comment")
# golint complains about every file that's missing the package comment. If the
# number of files for this package is greater than the number of errors, there's
# at least one file with package comment, good. Otherwise, fail.
if [ ${fileCount} -le ${lintPackageCommentErrorsCount} ]; then
echo "Package $1 (with ${fileCount} files) is missing package comment"
return 1
fi
}
lint_package_comment() {
set +ex
count=0
for i in $(go list ./...); do
lint_package_comment_per_package "$i"
((count += $?))
done
set -ex
return $count
}
lint_package_comment
echo SUCCESS

5
vendor/modules.txt vendored
View file

@ -494,13 +494,12 @@ google.golang.org/genproto/googleapis/api/annotations
google.golang.org/genproto/googleapis/api/httpbody
google.golang.org/genproto/googleapis/rpc/status
google.golang.org/genproto/protobuf/field_mask
# google.golang.org/grpc v1.30.0
# google.golang.org/grpc v1.29.1
google.golang.org/grpc
google.golang.org/grpc/attributes
google.golang.org/grpc/backoff
google.golang.org/grpc/balancer
google.golang.org/grpc/balancer/base
google.golang.org/grpc/balancer/grpclb/state
google.golang.org/grpc/balancer/roundrobin
google.golang.org/grpc/binarylog/grpc_binarylog_v1
google.golang.org/grpc/codes
@ -523,12 +522,12 @@ google.golang.org/grpc/internal/grpcsync
google.golang.org/grpc/internal/grpcutil
google.golang.org/grpc/internal/resolver/dns
google.golang.org/grpc/internal/resolver/passthrough
google.golang.org/grpc/internal/serviceconfig
google.golang.org/grpc/internal/status
google.golang.org/grpc/internal/syscall
google.golang.org/grpc/internal/transport
google.golang.org/grpc/keepalive
google.golang.org/grpc/metadata
google.golang.org/grpc/naming
google.golang.org/grpc/peer
google.golang.org/grpc/resolver
google.golang.org/grpc/serviceconfig