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TUN-7066: Bump coredns to v1.10.0

Browse Source 
closes #857
This commit is contained in:
Devin Carr
2023-01-10 16:12:59 -08:00
parent 513855df5c
commit 207f4e2c8d
288 changed files with 10199 additions and 10941 deletions
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37
vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go generated vendored
View File

@@ -40,7 +40,6 @@ const (
// payload formats that can't be represented as JSON, such as raw binary or
// an HTML page.
//
//
// This message can be used both in streaming and non-streaming API methods in
// the request as well as the response.
//
@@ -50,32 +49,32 @@ const (
//
// Example:
//
// message GetResourceRequest {
// // A unique request id.
// string request_id = 1;
// message GetResourceRequest {
// // A unique request id.
// string request_id = 1;
//
// // The raw HTTP body is bound to this field.
// google.api.HttpBody http_body = 2;
// // The raw HTTP body is bound to this field.
// google.api.HttpBody http_body = 2;
//
// }
// }
//
// service ResourceService {
// rpc GetResource(GetResourceRequest)
// returns (google.api.HttpBody);
// rpc UpdateResource(google.api.HttpBody)
// returns (google.protobuf.Empty);
// service ResourceService {
// rpc GetResource(GetResourceRequest)
// returns (google.api.HttpBody);
// rpc UpdateResource(google.api.HttpBody)
// returns (google.protobuf.Empty);
//
// }
// }
//
// Example with streaming methods:
//
// service CaldavService {
// rpc GetCalendar(stream google.api.HttpBody)
// returns (stream google.api.HttpBody);
// rpc UpdateCalendar(stream google.api.HttpBody)
// returns (stream google.api.HttpBody);
// service CaldavService {
// rpc GetCalendar(stream google.api.HttpBody)
// returns (stream google.api.HttpBody);
// rpc UpdateCalendar(stream google.api.HttpBody)
// returns (stream google.api.HttpBody);
//
// }
// }
//
// Use of this type only changes how the request and response bodies are
// handled, all other features will continue to work unchanged.

2
vendor/google.golang.org/grpc/attributes/attributes.go generated vendored
View File

@@ -19,7 +19,7 @@
// Package attributes defines a generic key/value store used in various gRPC
// components.
//
// Experimental
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.

2
vendor/google.golang.org/grpc/backoff.go generated vendored
View File

@@ -48,7 +48,7 @@ type BackoffConfig struct {
// here for more details:
// https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.

70
vendor/google.golang.org/grpc/balancer/balancer.go generated vendored
View File

@@ -110,6 +110,11 @@ type SubConn interface {
UpdateAddresses([]resolver.Address)
// Connect starts the connecting for this SubConn.
Connect()
// GetOrBuildProducer returns a reference to the existing Producer for this
// ProducerBuilder in this SubConn, or, if one does not currently exist,
// creates a new one and returns it. Returns a close function which must
// be called when the Producer is no longer needed.
GetOrBuildProducer(ProducerBuilder) (p Producer, close func())
}
// NewSubConnOptions contains options to create new SubConn.
@@ -244,7 +249,7 @@ type DoneInfo struct {
// ServerLoad is the load received from server. It's usually sent as part of
// trailing metadata.
//
// The only supported type now is *orca_v1.LoadReport.
// The only supported type now is *orca_v3.LoadReport.
ServerLoad interface{}
}
@@ -372,55 +377,20 @@ type ClientConnState struct {
// problem with the provided name resolver data.
var ErrBadResolverState = errors.New("bad resolver state")
// ConnectivityStateEvaluator takes the connectivity states of multiple SubConns
// and returns one aggregated connectivity state.
//
// It's not thread safe.
type ConnectivityStateEvaluator struct {
numReady uint64 // Number of addrConns in ready state.
numConnecting uint64 // Number of addrConns in connecting state.
numTransientFailure uint64 // Number of addrConns in transient failure state.
numIdle uint64 // Number of addrConns in idle state.
// A ProducerBuilder is a simple constructor for a Producer. It is used by the
// SubConn to create producers when needed.
type ProducerBuilder interface {
// Build creates a Producer. The first parameter is always a
// grpc.ClientConnInterface (a type to allow creating RPCs/streams on the
// associated SubConn), but is declared as interface{} to avoid a
// dependency cycle. Should also return a close function that will be
// called when all references to the Producer have been given up.
Build(grpcClientConnInterface interface{}) (p Producer, close func())
}
// RecordTransition records state change happening in subConn and based on that
// it evaluates what aggregated state should be.
//
// - If at least one SubConn in Ready, the aggregated state is Ready;
// - Else if at least one SubConn in Connecting, the aggregated state is Connecting;
// - Else if at least one SubConn is TransientFailure, the aggregated state is Transient Failure;
// - Else if at least one SubConn is Idle, the aggregated state is Idle;
// - Else there are no subconns and the aggregated state is Transient Failure
//
// Shutdown is not considered.
func (cse *ConnectivityStateEvaluator) RecordTransition(oldState, newState connectivity.State) connectivity.State {
// Update counters.
for idx, state := range []connectivity.State{oldState, newState} {
updateVal := 2*uint64(idx) - 1 // -1 for oldState and +1 for new.
switch state {
case connectivity.Ready:
cse.numReady += updateVal
case connectivity.Connecting:
cse.numConnecting += updateVal
case connectivity.TransientFailure:
cse.numTransientFailure += updateVal
case connectivity.Idle:
cse.numIdle += updateVal
}
}
// Evaluate.
if cse.numReady > 0 {
return connectivity.Ready
}
if cse.numConnecting > 0 {
return connectivity.Connecting
}
if cse.numTransientFailure > 0 {
return connectivity.TransientFailure
}
if cse.numIdle > 0 {
return connectivity.Idle
}
return connectivity.TransientFailure
// A Producer is a type shared among potentially many consumers. It is
// associated with a SubConn, and an implementation will typically contain
// other methods to provide additional functionality, e.g. configuration or
// subscription registration.
type Producer interface {
}

8
vendor/google.golang.org/grpc/balancer/base/balancer.go generated vendored
View File

@@ -45,6 +45,7 @@ func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions)
scStates: make(map[balancer.SubConn]connectivity.State),
csEvltr: &balancer.ConnectivityStateEvaluator{},
config: bb.config,
state: connectivity.Connecting,
}
// Initialize picker to a picker that always returns
// ErrNoSubConnAvailable, because when state of a SubConn changes, we
@@ -134,6 +135,9 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error {
b.ResolverError(errors.New("produced zero addresses"))
return balancer.ErrBadResolverState
}
b.regeneratePicker()
b.cc.UpdateState(balancer.State{ConnectivityState: b.state, Picker: b.picker})
return nil
}
@@ -153,8 +157,8 @@ func (b *baseBalancer) mergeErrors() error {
// regeneratePicker takes a snapshot of the balancer, and generates a picker
// from it. The picker is
// - errPicker if the balancer is in TransientFailure,
// - built by the pickerBuilder with all READY SubConns otherwise.
// - errPicker if the balancer is in TransientFailure,
// - built by the pickerBuilder with all READY SubConns otherwise.
func (b *baseBalancer) regeneratePicker() {
if b.state == connectivity.TransientFailure {
b.picker = NewErrPicker(b.mergeErrors())

74
vendor/google.golang.org/grpc/balancer/conn_state_evaluator.go generated vendored Normal file
View File

@@ -0,0 +1,74 @@
/*
*
* Copyright 2022 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 balancer
import "google.golang.org/grpc/connectivity"
// ConnectivityStateEvaluator takes the connectivity states of multiple SubConns
// and returns one aggregated connectivity state.
//
// It's not thread safe.
type ConnectivityStateEvaluator struct {
numReady uint64 // Number of addrConns in ready state.
numConnecting uint64 // Number of addrConns in connecting state.
numTransientFailure uint64 // Number of addrConns in transient failure state.
numIdle uint64 // Number of addrConns in idle state.
}
// RecordTransition records state change happening in subConn and based on that
// it evaluates what aggregated state should be.
//
// - If at least one SubConn in Ready, the aggregated state is Ready;
// - Else if at least one SubConn in Connecting, the aggregated state is Connecting;
// - Else if at least one SubConn is Idle, the aggregated state is Idle;
// - Else if at least one SubConn is TransientFailure (or there are no SubConns), the aggregated state is Transient Failure.
//
// Shutdown is not considered.
func (cse *ConnectivityStateEvaluator) RecordTransition(oldState, newState connectivity.State) connectivity.State {
// Update counters.
for idx, state := range []connectivity.State{oldState, newState} {
updateVal := 2*uint64(idx) - 1 // -1 for oldState and +1 for new.
switch state {
case connectivity.Ready:
cse.numReady += updateVal
case connectivity.Connecting:
cse.numConnecting += updateVal
case connectivity.TransientFailure:
cse.numTransientFailure += updateVal
case connectivity.Idle:
cse.numIdle += updateVal
}
}
return cse.CurrentState()
}
// CurrentState returns the current aggregate conn state by evaluating the counters
func (cse *ConnectivityStateEvaluator) CurrentState() connectivity.State {
// Evaluate.
if cse.numReady > 0 {
return connectivity.Ready
}
if cse.numConnecting > 0 {
return connectivity.Connecting
}
if cse.numIdle > 0 {
return connectivity.Idle
}
return connectivity.TransientFailure
}

16
vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go generated vendored
View File

@@ -22,7 +22,7 @@
package roundrobin
import (
"sync"
"sync/atomic"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/balancer/base"
@@ -60,7 +60,7 @@ func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
// Start at a random index, as the same RR balancer rebuilds a new
// picker when SubConn states change, and we don't want to apply excess
// load to the first server in the list.
next: grpcrand.Intn(len(scs)),
next: uint32(grpcrand.Intn(len(scs))),
}
}
@@ -69,15 +69,13 @@ type rrPicker struct {
// created. The slice is immutable. Each Get() will do a round robin
// selection from it and return the selected SubConn.
subConns []balancer.SubConn
mu sync.Mutex
next int
next uint32
}
func (p *rrPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
p.mu.Lock()
sc := p.subConns[p.next]
p.next = (p.next + 1) % len(p.subConns)
p.mu.Unlock()
subConnsLen := uint32(len(p.subConns))
nextIndex := atomic.AddUint32(&p.next, 1)
sc := p.subConns[nextIndex%subConnsLen]
return balancer.PickResult{SubConn: sc}, nil
}

71
vendor/google.golang.org/grpc/balancer_conn_wrappers.go generated vendored
View File

@@ -19,17 +19,20 @@
package grpc
import (
"context"
"fmt"
"strings"
"sync"
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/connectivity"
"google.golang.org/grpc/internal/balancer/gracefulswitch"
"google.golang.org/grpc/internal/buffer"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/internal/grpcsync"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/status"
)
// ccBalancerWrapper sits between the ClientConn and the Balancer.
@@ -305,7 +308,7 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer
channelz.Warningf(logger, ccb.cc.channelzID, "acBalancerWrapper: NewSubConn: failed to newAddrConn: %v", err)
return nil, err
}
acbw := &acBalancerWrapper{ac: ac}
acbw := &acBalancerWrapper{ac: ac, producers: make(map[balancer.ProducerBuilder]*refCountedProducer)}
acbw.ac.mu.Lock()
ac.acbw = acbw
acbw.ac.mu.Unlock()
@@ -359,8 +362,9 @@ func (ccb *ccBalancerWrapper) Target() string {
// acBalancerWrapper is a wrapper on top of ac for balancers.
// It implements balancer.SubConn interface.
type acBalancerWrapper struct {
mu sync.Mutex
ac *addrConn
mu sync.Mutex
ac *addrConn
producers map[balancer.ProducerBuilder]*refCountedProducer
}
func (acbw *acBalancerWrapper) UpdateAddresses(addrs []resolver.Address) {
@@ -414,3 +418,64 @@ func (acbw *acBalancerWrapper) getAddrConn() *addrConn {
defer acbw.mu.Unlock()
return acbw.ac
}
var errSubConnNotReady = status.Error(codes.Unavailable, "SubConn not currently connected")
// NewStream begins a streaming RPC on the addrConn. If the addrConn is not
// ready, returns errSubConnNotReady.
func (acbw *acBalancerWrapper) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) {
transport := acbw.ac.getReadyTransport()
if transport == nil {
return nil, errSubConnNotReady
}
return newNonRetryClientStream(ctx, desc, method, transport, acbw.ac, opts...)
}
// Invoke performs a unary RPC. If the addrConn is not ready, returns
// errSubConnNotReady.
func (acbw *acBalancerWrapper) Invoke(ctx context.Context, method string, args interface{}, reply interface{}, opts ...CallOption) error {
cs, err := acbw.NewStream(ctx, unaryStreamDesc, method, opts...)
if err != nil {
return err
}
if err := cs.SendMsg(args); err != nil {
return err
}
return cs.RecvMsg(reply)
}
type refCountedProducer struct {
producer balancer.Producer
refs int // number of current refs to the producer
close func() // underlying producer's close function
}
func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) (balancer.Producer, func()) {
acbw.mu.Lock()
defer acbw.mu.Unlock()
// Look up existing producer from this builder.
pData := acbw.producers[pb]
if pData == nil {
// Not found; create a new one and add it to the producers map.
p, close := pb.Build(acbw)
pData = &refCountedProducer{producer: p, close: close}
acbw.producers[pb] = pData
}
// Account for this new reference.
pData.refs++
// Return a cleanup function wrapped in a OnceFunc to remove this reference
// and delete the refCountedProducer from the map if the total reference
// count goes to zero.
unref := func() {
acbw.mu.Lock()
pData.refs--
if pData.refs == 0 {
defer pData.close() // Run outside the acbw mutex
delete(acbw.producers, pb)
}
acbw.mu.Unlock()
}
return pData.producer, grpcsync.OnceFunc(unref)
}

13
vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go generated vendored
View File

@@ -261,6 +261,7 @@ type GrpcLogEntry struct {
// according to the type of the log entry.
//
// Types that are assignable to Payload:
//
// *GrpcLogEntry_ClientHeader
// *GrpcLogEntry_ServerHeader
// *GrpcLogEntry_Message
@@ -694,12 +695,12 @@ func (x *Message) GetData() []byte {
// Header keys added by gRPC are omitted. To be more specific,
// implementations will not log the following entries, and this is
// not to be treated as a truncation:
// - entries handled by grpc that are not user visible, such as those
// that begin with 'grpc-' (with exception of grpc-trace-bin)
// or keys like 'lb-token'
// - transport specific entries, including but not limited to:
// ':path', ':authority', 'content-encoding', 'user-agent', 'te', etc
// - entries added for call credentials
// - entries handled by grpc that are not user visible, such as those
// that begin with 'grpc-' (with exception of grpc-trace-bin)
// or keys like 'lb-token'
// - transport specific entries, including but not limited to:
// ':path', ':authority', 'content-encoding', 'user-agent', 'te', etc
// - entries added for call credentials
//
// Implementations must always log grpc-trace-bin if it is present.
// Practically speaking it will only be visible on server side because

2
vendor/google.golang.org/grpc/channelz/channelz.go generated vendored
View File

@@ -23,7 +23,7 @@
// https://github.com/grpc/proposal/blob/master/A14-channelz.md, is provided by
// the `internal/channelz` package.
//
// Experimental
// # Experimental
//
// Notice: All APIs in this package are experimental and may be removed in a
// later release.

144
vendor/google.golang.org/grpc/clientconn.go generated vendored
View File

@@ -146,6 +146,10 @@ func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *
cc.safeConfigSelector.UpdateConfigSelector(&defaultConfigSelector{nil})
cc.ctx, cc.cancel = context.WithCancel(context.Background())
for _, opt := range extraDialOptions {
opt.apply(&cc.dopts)
}
for _, opt := range opts {
opt.apply(&cc.dopts)
}
@@ -499,7 +503,7 @@ type ClientConn struct {
// WaitForStateChange waits until the connectivity.State of ClientConn changes from sourceState or
// ctx expires. A true value is returned in former case and false in latter.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -518,7 +522,7 @@ func (cc *ClientConn) WaitForStateChange(ctx context.Context, sourceState connec
// GetState returns the connectivity.State of ClientConn.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a later
// release.
@@ -530,7 +534,7 @@ func (cc *ClientConn) GetState() connectivity.State {
// the channel is idle. Does not wait for the connection attempts to begin
// before returning.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a later
// release.
@@ -708,8 +712,8 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub
ac.ctx, ac.cancel = context.WithCancel(cc.ctx)
// Track ac in cc. This needs to be done before any getTransport(...) is called.
cc.mu.Lock()
defer cc.mu.Unlock()
if cc.conns == nil {
cc.mu.Unlock()
return nil, ErrClientConnClosing
}
@@ -728,7 +732,6 @@ func (cc *ClientConn) newAddrConn(addrs []resolver.Address, opts balancer.NewSub
})
cc.conns[ac] = struct{}{}
cc.mu.Unlock()
return ac, nil
}
@@ -758,7 +761,7 @@ func (cc *ClientConn) channelzMetric() *channelz.ChannelInternalMetric {
// Target returns the target string of the ClientConn.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -828,9 +831,9 @@ func equalAddresses(a, b []resolver.Address) bool {
//
// If ac is Ready, it checks whether current connected address of ac is in the
// new addrs list.
// - If true, it updates ac.addrs and returns true. The ac will keep using
// the existing connection.
// - If false, it does nothing and returns false.
// - If true, it updates ac.addrs and returns true. The ac will keep using
// the existing connection.
// - If false, it does nothing and returns false.
func (ac *addrConn) tryUpdateAddrs(addrs []resolver.Address) bool {
ac.mu.Lock()
defer ac.mu.Unlock()
@@ -995,7 +998,7 @@ func (cc *ClientConn) resolveNow(o resolver.ResolveNowOptions) {
// However, if a previously unavailable network becomes available, this may be
// used to trigger an immediate reconnect.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -1225,38 +1228,33 @@ func (ac *addrConn) tryAllAddrs(addrs []resolver.Address, connectDeadline time.T
// address was not successfully connected, or updates ac appropriately with the
// new transport.
func (ac *addrConn) createTransport(addr resolver.Address, copts transport.ConnectOptions, connectDeadline time.Time) error {
// TODO: Delete prefaceReceived and move the logic to wait for it into the
// transport.
prefaceReceived := grpcsync.NewEvent()
connClosed := grpcsync.NewEvent()
addr.ServerName = ac.cc.getServerName(addr)
hctx, hcancel := context.WithCancel(ac.ctx)
hcStarted := false // protected by ac.mu
onClose := func() {
onClose := grpcsync.OnceFunc(func() {
ac.mu.Lock()
defer ac.mu.Unlock()
defer connClosed.Fire()
defer hcancel()
if !hcStarted || hctx.Err() != nil {
// We didn't start the health check or set the state to READY, so
// no need to do anything else here.
//
// OR, we have already cancelled the health check context, meaning
// we have already called onClose once for this transport. In this
// case it would be dangerous to clear the transport and update the
// state, since there may be a new transport in this addrConn.
if ac.state == connectivity.Shutdown {
// Already shut down. tearDown() already cleared the transport and
// canceled hctx via ac.ctx, and we expected this connection to be
// closed, so do nothing here.
return
}
hcancel()
if ac.transport == nil {
// We're still connecting to this address, which could error. Do
// not update the connectivity state or resolve; these will happen
// at the end of the tryAllAddrs connection loop in the event of an
// error.
return
}
ac.transport = nil
// Refresh the name resolver
// Refresh the name resolver on any connection loss.
ac.cc.resolveNow(resolver.ResolveNowOptions{})
if ac.state != connectivity.Shutdown {
ac.updateConnectivityState(connectivity.Idle, nil)
}
}
// Always go idle and wait for the LB policy to initiate a new
// connection attempt.
ac.updateConnectivityState(connectivity.Idle, nil)
})
onGoAway := func(r transport.GoAwayReason) {
ac.mu.Lock()
ac.adjustParams(r)
@@ -1268,7 +1266,7 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
defer cancel()
copts.ChannelzParentID = ac.channelzID
newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, func() { prefaceReceived.Fire() }, onGoAway, onClose)
newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onGoAway, onClose)
if err != nil {
// newTr is either nil, or closed.
hcancel()
@@ -1276,60 +1274,34 @@ func (ac *addrConn) createTransport(addr resolver.Address, copts transport.Conne
return err
}
select {
case <-connectCtx.Done():
// We didn't get the preface in time.
ac.mu.Lock()
defer ac.mu.Unlock()
if ac.state == connectivity.Shutdown {
// This can happen if the subConn was removed while in `Connecting`
// state. tearDown() would have set the state to `Shutdown`, but
// would not have closed the transport since ac.transport would not
// have been set at that point.
//
// We run this in a goroutine because newTr.Close() calls onClose()
// inline, which requires locking ac.mu.
//
// The error we pass to Close() is immaterial since there are no open
// streams at this point, so no trailers with error details will be sent
// out. We just need to pass a non-nil error.
newTr.Close(transport.ErrConnClosing)
if connectCtx.Err() == context.DeadlineExceeded {
err := errors.New("failed to receive server preface within timeout")
channelz.Warningf(logger, ac.channelzID, "grpc: addrConn.createTransport failed to connect to %s: %v", addr, err)
return err
}
go newTr.Close(transport.ErrConnClosing)
return nil
case <-prefaceReceived.Done():
// We got the preface - huzzah! things are good.
ac.mu.Lock()
defer ac.mu.Unlock()
if connClosed.HasFired() {
// onClose called first; go idle but do nothing else.
if ac.state != connectivity.Shutdown {
ac.updateConnectivityState(connectivity.Idle, nil)
}
return nil
}
if ac.state == connectivity.Shutdown {
// This can happen if the subConn was removed while in `Connecting`
// state. tearDown() would have set the state to `Shutdown`, but
// would not have closed the transport since ac.transport would not
// been set at that point.
//
// We run this in a goroutine because newTr.Close() calls onClose()
// inline, which requires locking ac.mu.
//
// The error we pass to Close() is immaterial since there are no open
// streams at this point, so no trailers with error details will be sent
// out. We just need to pass a non-nil error.
go newTr.Close(transport.ErrConnClosing)
return nil
}
ac.curAddr = addr
ac.transport = newTr
hcStarted = true
ac.startHealthCheck(hctx) // Will set state to READY if appropriate.
return nil
case <-connClosed.Done():
// The transport has already closed. If we received the preface, too,
// this is not an error.
select {
case <-prefaceReceived.Done():
return nil
default:
return errors.New("connection closed before server preface received")
}
}
if hctx.Err() != nil {
// onClose was already called for this connection, but the connection
// was successfully established first. Consider it a success and set
// the new state to Idle.
ac.updateConnectivityState(connectivity.Idle, nil)
return nil
}
ac.curAddr = addr
ac.transport = newTr
ac.startHealthCheck(hctx) // Will set state to READY if appropriate.
return nil
}
// startHealthCheck starts the health checking stream (RPC) to watch the health
@@ -1580,7 +1552,7 @@ func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) {
channelz.Infof(logger, cc.channelzID, "dial target %q parse failed: %v", cc.target, err)
} else {
channelz.Infof(logger, cc.channelzID, "parsed dial target is: %+v", parsedTarget)
rb = cc.getResolver(parsedTarget.Scheme)
rb = cc.getResolver(parsedTarget.URL.Scheme)
if rb != nil {
cc.parsedTarget = parsedTarget
return rb, nil
@@ -1601,9 +1573,9 @@ func (cc *ClientConn) parseTargetAndFindResolver() (resolver.Builder, error) {
return nil, err
}
channelz.Infof(logger, cc.channelzID, "parsed dial target is: %+v", parsedTarget)
rb = cc.getResolver(parsedTarget.Scheme)
rb = cc.getResolver(parsedTarget.URL.Scheme)
if rb == nil {
return nil, fmt.Errorf("could not get resolver for default scheme: %q", parsedTarget.Scheme)
return nil, fmt.Errorf("could not get resolver for default scheme: %q", parsedTarget.URL.Scheme)
}
cc.parsedTarget = parsedTarget
return rb, nil

20
vendor/google.golang.org/grpc/credentials/credentials.go generated vendored
View File

@@ -36,16 +36,16 @@ import (
// PerRPCCredentials defines the common interface for the credentials which need to
// attach security information to every RPC (e.g., oauth2).
type PerRPCCredentials interface {
// GetRequestMetadata gets the current request metadata, refreshing
// tokens if required. This should be called by the transport layer on
// each request, and the data should be populated in headers or other
// context. If a status code is returned, it will be used as the status
// for the RPC. uri is the URI of the entry point for the request.
// When supported by the underlying implementation, ctx can be used for
// timeout and cancellation. Additionally, RequestInfo data will be
// available via ctx to this call.
// TODO(zhaoq): Define the set of the qualified keys instead of leaving
// it as an arbitrary string.
// GetRequestMetadata gets the current request metadata, refreshing tokens
// if required. This should be called by the transport layer on each
// request, and the data should be populated in headers or other
// context. If a status code is returned, it will be used as the status for
// the RPC (restricted to an allowable set of codes as defined by gRFC
// A54). uri is the URI of the entry point for the request. When supported
// by the underlying implementation, ctx can be used for timeout and
// cancellation. Additionally, RequestInfo data will be available via ctx
// to this call. TODO(zhaoq): Define the set of the qualified keys instead
// of leaving it as an arbitrary string.
GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error)
// RequireTransportSecurity indicates whether the credentials requires
// transport security.

2
vendor/google.golang.org/grpc/credentials/tls.go generated vendored
View File

@@ -195,7 +195,7 @@ func NewServerTLSFromFile(certFile, keyFile string) (TransportCredentials, error
// TLSChannelzSecurityValue defines the struct that TLS protocol should return
// from GetSecurityValue(), containing security info like cipher and certificate used.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.

49
vendor/google.golang.org/grpc/dialoptions.go generated vendored
View File

@@ -29,12 +29,23 @@ import (
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/internal"
internalbackoff "google.golang.org/grpc/internal/backoff"
"google.golang.org/grpc/internal/binarylog"
"google.golang.org/grpc/internal/transport"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/resolver"
"google.golang.org/grpc/stats"
)
func init() {
internal.AddGlobalDialOptions = func(opt ...DialOption) {
extraDialOptions = append(extraDialOptions, opt...)
}
internal.ClearGlobalDialOptions = func() {
extraDialOptions = nil
}
internal.WithBinaryLogger = withBinaryLogger
}
// dialOptions configure a Dial call. dialOptions are set by the DialOption
// values passed to Dial.
type dialOptions struct {
@@ -52,6 +63,7 @@ type dialOptions struct {
timeout time.Duration
scChan <-chan ServiceConfig
authority string
binaryLogger binarylog.Logger
copts transport.ConnectOptions
callOptions []CallOption
channelzParentID *channelz.Identifier
@@ -70,10 +82,12 @@ type DialOption interface {
apply(*dialOptions)
}
var extraDialOptions []DialOption
// EmptyDialOption does not alter the dial configuration. It can be embedded in
// another structure to build custom dial options.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -264,7 +278,7 @@ func WithBlock() DialOption {
// the context.DeadlineExceeded error.
// Implies WithBlock()
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -293,7 +307,7 @@ func WithInsecure() DialOption {
// WithNoProxy returns a DialOption which disables the use of proxies for this
// ClientConn. This is ignored if WithDialer or WithContextDialer are used.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -324,7 +338,7 @@ func WithPerRPCCredentials(creds credentials.PerRPCCredentials) DialOption {
// the ClientConn.WithCreds. This should not be used together with
// WithTransportCredentials.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -380,7 +394,21 @@ func WithDialer(f func(string, time.Duration) (net.Conn, error)) DialOption {
// all the RPCs and underlying network connections in this ClientConn.
func WithStatsHandler(h stats.Handler) DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.copts.StatsHandler = h
if h == nil {
logger.Error("ignoring nil parameter in grpc.WithStatsHandler ClientOption")
// Do not allow a nil stats handler, which would otherwise cause
// panics.
return
}
o.copts.StatsHandlers = append(o.copts.StatsHandlers, h)
})
}
// withBinaryLogger returns a DialOption that specifies the binary logger for
// this ClientConn.
func withBinaryLogger(bl binarylog.Logger) DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.binaryLogger = bl
})
}
@@ -392,7 +420,7 @@ func WithStatsHandler(h stats.Handler) DialOption {
// FailOnNonTempDialError only affects the initial dial, and does not do
// anything useful unless you are also using WithBlock().
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -472,7 +500,7 @@ func WithAuthority(a string) DialOption {
// current ClientConn's parent. This function is used in nested channel creation
// (e.g. grpclb dial).
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -517,9 +545,6 @@ func WithDefaultServiceConfig(s string) DialOption {
// service config enables them. This does not impact transparent retries, which
// will happen automatically if no data is written to the wire or if the RPC is
// unprocessed by the remote server.
//
// Retry support is currently enabled by default, but may be disabled by
// setting the environment variable "GRPC_GO_RETRY" to "off".
func WithDisableRetry() DialOption {
return newFuncDialOption(func(o *dialOptions) {
o.disableRetry = true
@@ -537,7 +562,7 @@ func WithMaxHeaderListSize(s uint32) DialOption {
// WithDisableHealthCheck disables the LB channel health checking for all
// SubConns of this ClientConn.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -584,7 +609,7 @@ func withMinConnectDeadline(f func() time.Duration) DialOption {
// resolver.Register. They will be matched against the scheme used for the
// current Dial only, and will take precedence over the global registry.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.

5
vendor/google.golang.org/grpc/encoding/encoding.go generated vendored
View File

@@ -19,7 +19,7 @@
// Package encoding defines the interface for the compressor and codec, and
// functions to register and retrieve compressors and codecs.
//
// Experimental
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -28,6 +28,8 @@ package encoding
import (
"io"
"strings"
"google.golang.org/grpc/internal/grpcutil"
)
// Identity specifies the optional encoding for uncompressed streams.
@@ -73,6 +75,7 @@ var registeredCompressor = make(map[string]Compressor)
// registered with the same name, the one registered last will take effect.
func RegisterCompressor(c Compressor) {
registeredCompressor[c.Name()] = c
grpcutil.RegisteredCompressorNames = append(grpcutil.RegisteredCompressorNames, c.Name())
}
// GetCompressor returns Compressor for the given compressor name.

2
vendor/google.golang.org/grpc/grpclog/loggerv2.go generated vendored
View File

@@ -242,7 +242,7 @@ func (g *loggerT) V(l int) bool {
// DepthLoggerV2, the below functions will be called with the appropriate stack
// depth set for trivial functions the logger may ignore.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.

2
vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go generated vendored
View File

@@ -193,6 +193,8 @@ func (gsb *Balancer) ExitIdle() {
ei.ExitIdle()
return
}
gsb.mu.Lock()
defer gsb.mu.Unlock()
for sc := range balToUpdate.subconns {
sc.Connect()
}

24
vendor/google.golang.org/grpc/internal/binarylog/binarylog.go generated vendored
View File

@@ -37,30 +37,30 @@ type Logger interface {
// binLogger is the global binary logger for the binary. One of this should be
// built at init time from the configuration (environment variable or flags).
//
// It is used to get a methodLogger for each individual method.
// It is used to get a MethodLogger for each individual method.
var binLogger Logger
var grpclogLogger = grpclog.Component("binarylog")
// SetLogger sets the binarg logger.
// SetLogger sets the binary logger.
//
// Only call this at init time.
func SetLogger(l Logger) {
binLogger = l
}
// GetLogger gets the binarg logger.
// GetLogger gets the binary logger.
//
// Only call this at init time.
func GetLogger() Logger {
return binLogger
}
// GetMethodLogger returns the methodLogger for the given methodName.
// GetMethodLogger returns the MethodLogger for the given methodName.
//
// methodName should be in the format of "/service/method".
//
// Each methodLogger returned by this method is a new instance. This is to
// Each MethodLogger returned by this method is a new instance. This is to
// generate sequence id within the call.
func GetMethodLogger(methodName string) MethodLogger {
if binLogger == nil {
@@ -117,7 +117,7 @@ func (l *logger) setDefaultMethodLogger(ml *MethodLoggerConfig) error {
// Set method logger for "service/*".
//
// New methodLogger with same service overrides the old one.
// New MethodLogger with same service overrides the old one.
func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig) error {
if _, ok := l.config.Services[service]; ok {
return fmt.Errorf("conflicting service rules for service %v found", service)
@@ -131,7 +131,7 @@ func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig)
// Set method logger for "service/method".
//
// New methodLogger with same method overrides the old one.
// New MethodLogger with same method overrides the old one.
func (l *logger) setMethodMethodLogger(method string, ml *MethodLoggerConfig) error {
if _, ok := l.config.Blacklist[method]; ok {
return fmt.Errorf("conflicting blacklist rules for method %v found", method)
@@ -161,11 +161,11 @@ func (l *logger) setBlacklist(method string) error {
return nil
}
// getMethodLogger returns the methodLogger for the given methodName.
// getMethodLogger returns the MethodLogger for the given methodName.
//
// methodName should be in the format of "/service/method".
//
// Each methodLogger returned by this method is a new instance. This is to
// 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)
@@ -174,16 +174,16 @@ func (l *logger) GetMethodLogger(methodName string) MethodLogger {
return nil
}
if ml, ok := l.config.Methods[s+"/"+m]; ok {
return newMethodLogger(ml.Header, ml.Message)
return NewTruncatingMethodLogger(ml.Header, ml.Message)
}
if _, ok := l.config.Blacklist[s+"/"+m]; ok {
return nil
}
if ml, ok := l.config.Services[s]; ok {
return newMethodLogger(ml.Header, ml.Message)
return NewTruncatingMethodLogger(ml.Header, ml.Message)
}
if l.config.All == nil {
return nil
}
return newMethodLogger(l.config.All.Header, l.config.All.Message)
return NewTruncatingMethodLogger(l.config.All.Header, l.config.All.Message)
}

20
vendor/google.golang.org/grpc/internal/binarylog/env_config.go generated vendored
View File

@@ -30,15 +30,15 @@ import (
// to build a new logger and assign it to binarylog.Logger.
//
// Example filter config strings:
// - "" Nothing will be logged
// - "*" All headers and messages will be fully logged.
// - "*{h}" Only headers will be logged.
// - "*{m:256}" Only the first 256 bytes of each message will be logged.
// - "Foo/*" Logs every method in service Foo
// - "Foo/*,-Foo/Bar" Logs every method in service Foo except method /Foo/Bar
// - "Foo/*,Foo/Bar{m:256}" Logs the first 256 bytes of each message in method
// /Foo/Bar, logs all headers and messages in every other method in service
// Foo.
// - "" Nothing will be logged
// - "*" All headers and messages will be fully logged.
// - "*{h}" Only headers will be logged.
// - "*{m:256}" Only the first 256 bytes of each message will be logged.
// - "Foo/*" Logs every method in service Foo
// - "Foo/*,-Foo/Bar" Logs every method in service Foo except method /Foo/Bar
// - "Foo/*,Foo/Bar{m:256}" Logs the first 256 bytes of each message in method
// /Foo/Bar, logs all headers and messages in every other method in service
// Foo.
//
// If two configs exist for one certain method or service, the one specified
// later overrides the previous config.
@@ -57,7 +57,7 @@ func NewLoggerFromConfigString(s string) Logger {
return l
}
// fillMethodLoggerWithConfigString parses config, creates methodLogger and adds
// fillMethodLoggerWithConfigString parses config, creates TruncatingMethodLogger and adds
// it to the right map in the logger.
func (l *logger) fillMethodLoggerWithConfigString(config string) error {
// "" is invalid.

19
vendor/google.golang.org/grpc/internal/binarylog/method_logger.go generated vendored
View File

@@ -52,7 +52,9 @@ type MethodLogger interface {
Log(LogEntryConfig)
}
type methodLogger struct {
// TruncatingMethodLogger is a method logger that truncates headers and messages
// based on configured fields.
type TruncatingMethodLogger struct {
headerMaxLen, messageMaxLen uint64
callID uint64
@@ -61,8 +63,9 @@ type methodLogger struct {
sink Sink // TODO(blog): make this plugable.
}
func newMethodLogger(h, m uint64) *methodLogger {
return &methodLogger{
// NewTruncatingMethodLogger returns a new truncating method logger.
func NewTruncatingMethodLogger(h, m uint64) *TruncatingMethodLogger {
return &TruncatingMethodLogger{
headerMaxLen: h,
messageMaxLen: m,
@@ -75,8 +78,8 @@ func newMethodLogger(h, m uint64) *methodLogger {
// Build is an internal only method for building the proto message out of the
// input event. It's made public to enable other library to reuse as much logic
// in methodLogger as possible.
func (ml *methodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
// in TruncatingMethodLogger as possible.
func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
m := c.toProto()
timestamp, _ := ptypes.TimestampProto(time.Now())
m.Timestamp = timestamp
@@ -95,11 +98,11 @@ func (ml *methodLogger) Build(c LogEntryConfig) *pb.GrpcLogEntry {
}
// Log creates a proto binary log entry, and logs it to the sink.
func (ml *methodLogger) Log(c LogEntryConfig) {
func (ml *TruncatingMethodLogger) Log(c LogEntryConfig) {
ml.sink.Write(ml.Build(c))
}
func (ml *methodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
func (ml *TruncatingMethodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
if ml.headerMaxLen == maxUInt {
return false
}
@@ -129,7 +132,7 @@ func (ml *methodLogger) truncateMetadata(mdPb *pb.Metadata) (truncated bool) {
return truncated
}
func (ml *methodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
func (ml *TruncatingMethodLogger) truncateMessage(msgPb *pb.Message) (truncated bool) {
if ml.messageMaxLen == maxUInt {
return false
}

16
vendor/google.golang.org/grpc/internal/channelz/types.go generated vendored
View File

@@ -273,10 +273,10 @@ func (c *channel) deleteSelfFromMap() (delete bool) {
// deleteSelfIfReady tries to delete the channel itself from the channelz database.
// The delete process includes two steps:
// 1. delete the channel from the entry relation tree, i.e. delete the channel reference from its
// parent's child list.
// 2. delete the channel from the map, i.e. delete the channel entirely from channelz. Lookup by id
// will return entry not found error.
// 1. delete the channel from the entry relation tree, i.e. delete the channel reference from its
// parent's child list.
// 2. delete the channel from the map, i.e. delete the channel entirely from channelz. Lookup by id
// will return entry not found error.
func (c *channel) deleteSelfIfReady() {
if !c.deleteSelfFromTree() {
return
@@ -381,10 +381,10 @@ func (sc *subChannel) deleteSelfFromMap() (delete bool) {
// deleteSelfIfReady tries to delete the subchannel itself from the channelz database.
// The delete process includes two steps:
// 1. delete the subchannel from the entry relation tree, i.e. delete the subchannel reference from
// its parent's child list.
// 2. delete the subchannel from the map, i.e. delete the subchannel entirely from channelz. Lookup
// by id will return entry not found error.
// 1. delete the subchannel from the entry relation tree, i.e. delete the subchannel reference from
// its parent's child list.
// 2. delete the subchannel from the map, i.e. delete the subchannel entirely from channelz. Lookup
// by id will return entry not found error.
func (sc *subChannel) deleteSelfIfReady() {
if !sc.deleteSelfFromTree() {
return

8
vendor/google.golang.org/grpc/internal/envconfig/envconfig.go generated vendored
View File

@@ -25,11 +25,15 @@ import (
)
const (
prefix = "GRPC_GO_"
txtErrIgnoreStr = prefix + "IGNORE_TXT_ERRORS"
prefix = "GRPC_GO_"
txtErrIgnoreStr = prefix + "IGNORE_TXT_ERRORS"
advertiseCompressorsStr = prefix + "ADVERTISE_COMPRESSORS"
)
var (
// TXTErrIgnore is set if TXT errors should be ignored ("GRPC_GO_IGNORE_TXT_ERRORS" is not "false").
TXTErrIgnore = !strings.EqualFold(os.Getenv(txtErrIgnoreStr), "false")
// AdvertiseCompressors is set if registered compressor should be advertised
// ("GRPC_GO_ADVERTISE_COMPRESSORS" is not "false").
AdvertiseCompressors = !strings.EqualFold(os.Getenv(advertiseCompressorsStr), "false")
)

36
vendor/google.golang.org/grpc/internal/envconfig/observability.go generated vendored Normal file
View File

@@ -0,0 +1,36 @@
/*
*
* Copyright 2022 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 envconfig
import "os"
const (
envObservabilityConfig = "GRPC_GCP_OBSERVABILITY_CONFIG"
envObservabilityConfigFile = "GRPC_GCP_OBSERVABILITY_CONFIG_FILE"
)
var (
// ObservabilityConfig is the json configuration for the gcp/observability
// package specified directly in the envObservabilityConfig env var.
ObservabilityConfig = os.Getenv(envObservabilityConfig)
// ObservabilityConfigFile is the json configuration for the
// gcp/observability specified in a file with the location specified in
// envObservabilityConfigFile env var.
ObservabilityConfigFile = os.Getenv(envObservabilityConfigFile)
)

8
vendor/google.golang.org/grpc/internal/envconfig/xds.go generated vendored
View File

@@ -77,16 +77,16 @@ var (
// environment variable
// "GRPC_XDS_EXPERIMENTAL_ENABLE_AGGREGATE_AND_LOGICAL_DNS_CLUSTER" to
// "true".
XDSAggregateAndDNS = strings.EqualFold(os.Getenv(aggregateAndDNSSupportEnv), "true")
XDSAggregateAndDNS = !strings.EqualFold(os.Getenv(aggregateAndDNSSupportEnv), "false")
// XDSRBAC indicates whether xDS configured RBAC HTTP Filter is enabled,
// which can be disabled by setting the environment variable
// "GRPC_XDS_EXPERIMENTAL_RBAC" to "false".
XDSRBAC = !strings.EqualFold(os.Getenv(rbacSupportEnv), "false")
// XDSOutlierDetection indicates whether outlier detection support is
// enabled, which can be enabled by setting the environment variable
// "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "true".
XDSOutlierDetection = strings.EqualFold(os.Getenv(outlierDetectionSupportEnv), "true")
// enabled, which can be disabled by setting the environment variable
// "GRPC_EXPERIMENTAL_ENABLE_OUTLIER_DETECTION" to "false".
XDSOutlierDetection = !strings.EqualFold(os.Getenv(outlierDetectionSupportEnv), "false")
// XDSFederation indicates whether federation support is enabled.
XDSFederation = strings.EqualFold(os.Getenv(federationEnv), "true")

2
vendor/google.golang.org/grpc/internal/grpclog/grpclog.go generated vendored
View File

@@ -110,7 +110,7 @@ type LoggerV2 interface {
// This is a copy of the DepthLoggerV2 defined in the external grpclog package.
// It is defined here to avoid a circular dependency.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.

7
vendor/google.golang.org/grpc/internal/grpcrand/grpcrand.go generated vendored
View File

@@ -52,6 +52,13 @@ func Intn(n int) int {
return r.Intn(n)
}
// Int31n implements rand.Int31n on the grpcrand global source.
func Int31n(n int32) int32 {
mu.Lock()
defer mu.Unlock()
return r.Int31n(n)
}
// Float64 implements rand.Float64 on the grpcrand global source.
func Float64() float64 {
mu.Lock()

32
vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go generated vendored Normal file
View File

@@ -0,0 +1,32 @@
/*
*
* Copyright 2022 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 grpcsync
import (
"sync"
)
// OnceFunc returns a function wrapping f which ensures f is only executed
// once even if the returned function is executed multiple times.
func OnceFunc(f func()) func() {
var once sync.Once
return func() {
once.Do(f)
}
}

47
vendor/google.golang.org/grpc/internal/grpcutil/compressor.go generated vendored Normal file
View File

@@ -0,0 +1,47 @@
/*
*
* Copyright 2022 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 grpcutil
import (
"strings"
"google.golang.org/grpc/internal/envconfig"
)
// RegisteredCompressorNames holds names of the registered compressors.
var RegisteredCompressorNames []string
// IsCompressorNameRegistered returns true when name is available in registry.
func IsCompressorNameRegistered(name string) bool {
for _, compressor := range RegisteredCompressorNames {
if compressor == name {
return true
}
}
return false
}
// RegisteredCompressors returns a string of registered compressor names
// separated by comma.
func RegisteredCompressors() string {
if !envconfig.AdvertiseCompressors {
return ""
}
return strings.Join(RegisteredCompressorNames, ",")
}

6
vendor/google.golang.org/grpc/internal/grpcutil/method.go generated vendored
View File

@@ -25,7 +25,6 @@ import (
// ParseMethod splits service and method from the input. It expects format
// "/service/method".
//
func ParseMethod(methodName string) (service, method string, _ error) {
if !strings.HasPrefix(methodName, "/") {
return "", "", errors.New("invalid method name: should start with /")
@@ -39,6 +38,11 @@ func ParseMethod(methodName string) (service, method string, _ error) {
return methodName[:pos], methodName[pos+1:], nil
}
// baseContentType is the base content-type for gRPC. This is a valid
// content-type on it's own, but can also include a content-subtype such as
// "proto" as a suffix after "+" or ";". See
// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests
// for more details.
const baseContentType = "application/grpc"
// ContentSubtype returns the content-subtype for the given content-type. The

64
vendor/google.golang.org/grpc/internal/internal.go generated vendored
View File

@@ -63,6 +63,70 @@ var (
// xDS-enabled server invokes this method on a grpc.Server when a particular
// listener moves to "not-serving" mode.
DrainServerTransports interface{} // func(*grpc.Server, string)
// AddGlobalServerOptions adds an array of ServerOption that will be
// effective globally for newly created servers. The priority will be: 1.
// user-provided; 2. this method; 3. default values.
AddGlobalServerOptions interface{} // func(opt ...ServerOption)
// ClearGlobalServerOptions clears the array of extra ServerOption. This
// method is useful in testing and benchmarking.
ClearGlobalServerOptions func()
// AddGlobalDialOptions adds an array of DialOption that will be effective
// globally for newly created client channels. The priority will be: 1.
// user-provided; 2. this method; 3. default values.
AddGlobalDialOptions interface{} // func(opt ...DialOption)
// ClearGlobalDialOptions clears the array of extra DialOption. This
// method is useful in testing and benchmarking.
ClearGlobalDialOptions func()
// JoinServerOptions combines the server options passed as arguments into a
// single server option.
JoinServerOptions interface{} // func(...grpc.ServerOption) grpc.ServerOption
// WithBinaryLogger returns a DialOption that specifies the binary logger
// for a ClientConn.
WithBinaryLogger interface{} // func(binarylog.Logger) grpc.DialOption
// BinaryLogger returns a ServerOption that can set the binary logger for a
// server.
BinaryLogger interface{} // func(binarylog.Logger) grpc.ServerOption
// NewXDSResolverWithConfigForTesting creates a new xds resolver builder using
// the provided xds bootstrap config instead of the global configuration from
// the supported environment variables. The resolver.Builder is meant to be
// used in conjunction with the grpc.WithResolvers DialOption.
//
// Testing Only
//
// This function should ONLY be used for testing and may not work with some
// other features, including the CSDS service.
NewXDSResolverWithConfigForTesting interface{} // func([]byte) (resolver.Builder, error)
// RegisterRLSClusterSpecifierPluginForTesting registers the RLS Cluster
// Specifier Plugin for testing purposes, regardless of the XDSRLS environment
// variable.
//
// TODO: Remove this function once the RLS env var is removed.
RegisterRLSClusterSpecifierPluginForTesting func()
// UnregisterRLSClusterSpecifierPluginForTesting unregisters the RLS Cluster
// Specifier Plugin for testing purposes. This is needed because there is no way
// to unregister the RLS Cluster Specifier Plugin after registering it solely
// for testing purposes using RegisterRLSClusterSpecifierPluginForTesting().
//
// TODO: Remove this function once the RLS env var is removed.
UnregisterRLSClusterSpecifierPluginForTesting func()
// RegisterRBACHTTPFilterForTesting registers the RBAC HTTP Filter for testing
// purposes, regardless of the RBAC environment variable.
//
// TODO: Remove this function once the RBAC env var is removed.
RegisterRBACHTTPFilterForTesting func()
// UnregisterRBACHTTPFilterForTesting unregisters the RBAC HTTP Filter for
// testing purposes. This is needed because there is no way to unregister the
// HTTP Filter after registering it solely for testing purposes using
// RegisterRBACHTTPFilterForTesting().
//
// TODO: Remove this function once the RBAC env var is removed.
UnregisterRBACHTTPFilterForTesting func()
)
// HealthChecker defines the signature of the client-side LB channel health checking function.

5
vendor/google.golang.org/grpc/internal/resolver/unix/unix.go generated vendored
View File

@@ -49,8 +49,9 @@ func (b *builder) Build(target resolver.Target, cc resolver.ClientConn, _ resolv
}
addr := resolver.Address{Addr: endpoint}
if b.scheme == unixAbstractScheme {
// prepend "\x00" to address for unix-abstract
addr.Addr = "\x00" + addr.Addr
// We can not prepend \0 as c++ gRPC does, as in Golang '@' is used to signify we do
// not want trailing \0 in address.
addr.Addr = "@" + addr.Addr
}
cc.UpdateState(resolver.State{Addresses: []resolver.Address{networktype.Set(addr, "unix")}})
return &nopResolver{}, nil

8
vendor/google.golang.org/grpc/internal/serviceconfig/serviceconfig.go generated vendored
View File

@@ -67,10 +67,10 @@ func (bc *BalancerConfig) MarshalJSON() ([]byte, error) {
// ServiceConfig contains a list of loadBalancingConfigs, each with a name and
// config. This method iterates through that list in order, and stops at the
// first policy that is supported.
// - If the config for the first supported policy is invalid, the whole service
// config is invalid.
// - If the list doesn't contain any supported policy, the whole service config
// is invalid.
// - If the config for the first supported policy is invalid, the whole service
// config is invalid.
// - If the list doesn't contain any supported policy, the whole service config
// is invalid.
func (bc *BalancerConfig) UnmarshalJSON(b []byte) error {
var ir intermediateBalancerConfig
err := json.Unmarshal(b, &ir)

10
vendor/google.golang.org/grpc/internal/status/status.go generated vendored
View File

@@ -164,3 +164,13 @@ func (e *Error) Is(target error) bool {
}
return proto.Equal(e.s.s, tse.s.s)
}
// IsRestrictedControlPlaneCode returns whether the status includes a code
// restricted for control plane usage as defined by gRFC A54.
func IsRestrictedControlPlaneCode(s *Status) bool {
switch s.Code() {
case codes.InvalidArgument, codes.NotFound, codes.AlreadyExists, codes.FailedPrecondition, codes.Aborted, codes.OutOfRange, codes.DataLoss:
return true
}
return false
}

4
vendor/google.golang.org/grpc/internal/transport/controlbuf.go generated vendored
View File

@@ -886,9 +886,9 @@ func (l *loopyWriter) processData() (bool, error) {
dataItem := str.itl.peek().(*dataFrame) // Peek at the first data item this stream.
// A data item is represented by a dataFrame, since it later translates into
// multiple HTTP2 data frames.
// Every dataFrame has two buffers; h that keeps grpc-message header and d that is acutal data.
// Every dataFrame has two buffers; h that keeps grpc-message header and d that is actual data.
// As an optimization to keep wire traffic low, data from d is copied to h to make as big as the
// maximum possilbe HTTP2 frame size.
// maximum possible HTTP2 frame size.
if len(dataItem.h) == 0 && len(dataItem.d) == 0 { // Empty data frame
// Client sends out empty data frame with endStream = true

30
vendor/google.golang.org/grpc/internal/transport/handler_server.go generated vendored
View File

@@ -49,7 +49,7 @@ import (
// NewServerHandlerTransport returns a ServerTransport handling gRPC
// from inside an http.Handler. It requires that the http Server
// supports HTTP/2.
func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats stats.Handler) (ServerTransport, error) {
func NewServerHandlerTransport(w http.ResponseWriter, r *http.Request, stats []stats.Handler) (ServerTransport, error) {
if r.ProtoMajor != 2 {
return nil, errors.New("gRPC requires HTTP/2")
}
@@ -138,7 +138,7 @@ type serverHandlerTransport struct {
// TODO make sure this is consistent across handler_server and http2_server
contentSubtype string
stats stats.Handler
stats []stats.Handler
}
func (ht *serverHandlerTransport) Close() {
@@ -228,10 +228,10 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro
})
if err == nil { // transport has not been closed
if ht.stats != nil {
// Note: The trailer fields are compressed with hpack after this call returns.
// No WireLength field is set here.
ht.stats.HandleRPC(s.Context(), &stats.OutTrailer{
// Note: The trailer fields are compressed with hpack after this call returns.
// No WireLength field is set here.
for _, sh := range ht.stats {
sh.HandleRPC(s.Context(), &stats.OutTrailer{
Trailer: s.trailer.Copy(),
})
}
@@ -314,10 +314,10 @@ func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error {
})
if err == nil {
if ht.stats != nil {
for _, sh := range ht.stats {
// Note: The header fields are compressed with hpack after this call returns.
// No WireLength field is set here.
ht.stats.HandleRPC(s.Context(), &stats.OutHeader{
sh.HandleRPC(s.Context(), &stats.OutHeader{
Header: md.Copy(),
Compression: s.sendCompress,
})
@@ -369,14 +369,14 @@ func (ht *serverHandlerTransport) HandleStreams(startStream func(*Stream), trace
}
ctx = metadata.NewIncomingContext(ctx, ht.headerMD)
s.ctx = peer.NewContext(ctx, pr)
if ht.stats != nil {
s.ctx = ht.stats.TagRPC(s.ctx, &stats.RPCTagInfo{FullMethodName: s.method})
for _, sh := range ht.stats {
s.ctx = sh.TagRPC(s.ctx, &stats.RPCTagInfo{FullMethodName: s.method})
inHeader := &stats.InHeader{
FullMethod: s.method,
RemoteAddr: ht.RemoteAddr(),
Compression: s.recvCompress,
}
ht.stats.HandleRPC(s.ctx, inHeader)
sh.HandleRPC(s.ctx, inHeader)
}
s.trReader = &transportReader{
reader: &recvBufferReader{ctx: s.ctx, ctxDone: s.ctx.Done(), recv: s.buf, freeBuffer: func(*bytes.Buffer) {}},
@@ -442,10 +442,10 @@ func (ht *serverHandlerTransport) Drain() {
// mapRecvMsgError returns the non-nil err into the appropriate
// error value as expected by callers of *grpc.parser.recvMsg.
// In particular, in can only be:
// * io.EOF
// * io.ErrUnexpectedEOF
// * of type transport.ConnectionError
// * an error from the status package
// - io.EOF
// - io.ErrUnexpectedEOF
// - of type transport.ConnectionError
// - an error from the status package
func mapRecvMsgError(err error) error {
if err == io.EOF || err == io.ErrUnexpectedEOF {
return err

269
vendor/google.golang.org/grpc/internal/transport/http2_client.go generated vendored
View File

@@ -38,8 +38,10 @@ import (
"google.golang.org/grpc/credentials"
"google.golang.org/grpc/internal/channelz"
icredentials "google.golang.org/grpc/internal/credentials"
"google.golang.org/grpc/internal/grpcsync"
"google.golang.org/grpc/internal/grpcutil"
imetadata "google.golang.org/grpc/internal/metadata"
istatus "google.golang.org/grpc/internal/status"
"google.golang.org/grpc/internal/syscall"
"google.golang.org/grpc/internal/transport/networktype"
"google.golang.org/grpc/keepalive"
@@ -78,6 +80,7 @@ type http2Client struct {
framer *framer
// controlBuf delivers all the control related tasks (e.g., window
// updates, reset streams, and various settings) to the controller.
// Do not access controlBuf with mu held.
controlBuf *controlBuffer
fc *trInFlow
// The scheme used: https if TLS is on, http otherwise.
@@ -90,7 +93,7 @@ type http2Client struct {
kp keepalive.ClientParameters
keepaliveEnabled bool
statsHandler stats.Handler
statsHandlers []stats.Handler
initialWindowSize int32
@@ -98,17 +101,15 @@ type http2Client struct {
maxSendHeaderListSize *uint32
bdpEst *bdpEstimator
// onPrefaceReceipt is a callback that client transport calls upon
// receiving server preface to signal that a succefull HTTP2
// connection was established.
onPrefaceReceipt func()
maxConcurrentStreams uint32
streamQuota int64
streamsQuotaAvailable chan struct{}
waitingStreams uint32
nextID uint32
registeredCompressors string
// Do not access controlBuf with mu held.
mu sync.Mutex // guard the following variables
state transportState
activeStreams map[uint32]*Stream
@@ -192,7 +193,7 @@ 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 resolver.Address, opts ConnectOptions, onGoAway func(GoAwayReason), onClose func()) (_ *http2Client, err error) {
scheme := "http"
ctx, cancel := context.WithCancel(ctx)
defer func() {
@@ -214,12 +215,35 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
}
return nil, connectionErrorf(true, err, "transport: Error while dialing %v", err)
}
// Any further errors will close the underlying connection
defer func(conn net.Conn) {
if err != nil {
conn.Close()
}
}(conn)
// The following defer and goroutine monitor the connectCtx for cancelation
// and deadline. On context expiration, the connection is hard closed and
// this function will naturally fail as a result. Otherwise, the defer
// waits for the goroutine to exit to prevent the context from being
// monitored (and to prevent the connection from ever being closed) after
// returning from this function.
ctxMonitorDone := grpcsync.NewEvent()
newClientCtx, newClientDone := context.WithCancel(connectCtx)
defer func() {
newClientDone() // Awaken the goroutine below if connectCtx hasn't expired.
<-ctxMonitorDone.Done() // Wait for the goroutine below to exit.
}()
go func(conn net.Conn) {
defer ctxMonitorDone.Fire() // Signal this goroutine has exited.
<-newClientCtx.Done() // Block until connectCtx expires or the defer above executes.
if connectCtx.Err() != nil {
// connectCtx expired before exiting the function. Hard close the connection.
conn.Close()
}
}(conn)
kp := opts.KeepaliveParams
// Validate keepalive parameters.
if kp.Time == 0 {
@@ -251,15 +275,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
}
}
if transportCreds != nil {
rawConn := conn
// Pull the deadline from the connectCtx, which will be used for
// timeouts in the authentication protocol handshake. Can ignore the
// boolean as the deadline will return the zero value, which will make
// the conn not timeout on I/O operations.
deadline, _ := connectCtx.Deadline()
rawConn.SetDeadline(deadline)
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, rawConn)
rawConn.SetDeadline(time.Time{})
conn, authInfo, err = transportCreds.ClientHandshake(connectCtx, addr.ServerName, conn)
if err != nil {
return nil, connectionErrorf(isTemporary(err), err, "transport: authentication handshake failed: %v", err)
}
@@ -297,6 +313,7 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
ctxDone: ctx.Done(), // Cache Done chan.
cancel: cancel,
userAgent: opts.UserAgent,
registeredCompressors: grpcutil.RegisteredCompressors(),
conn: conn,
remoteAddr: conn.RemoteAddr(),
localAddr: conn.LocalAddr(),
@@ -311,19 +328,20 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
isSecure: isSecure,
perRPCCreds: perRPCCreds,
kp: kp,
statsHandler: opts.StatsHandler,
statsHandlers: opts.StatsHandlers,
initialWindowSize: initialWindowSize,
onPrefaceReceipt: onPrefaceReceipt,
nextID: 1,
maxConcurrentStreams: defaultMaxStreamsClient,
streamQuota: defaultMaxStreamsClient,
streamsQuotaAvailable: make(chan struct{}, 1),
czData: new(channelzData),
onGoAway: onGoAway,
onClose: onClose,
keepaliveEnabled: keepaliveEnabled,
bufferPool: newBufferPool(),
onClose: onClose,
}
// Add peer information to the http2client context.
t.ctx = peer.NewContext(t.ctx, t.getPeer())
if md, ok := addr.Metadata.(*metadata.MD); ok {
t.md = *md
@@ -341,15 +359,15 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
updateFlowControl: t.updateFlowControl,
}
}
if t.statsHandler != nil {
t.ctx = t.statsHandler.TagConn(t.ctx, &stats.ConnTagInfo{
for _, sh := range t.statsHandlers {
t.ctx = sh.TagConn(t.ctx, &stats.ConnTagInfo{
RemoteAddr: t.remoteAddr,
LocalAddr: t.localAddr,
})
connBegin := &stats.ConnBegin{
Client: true,
}
t.statsHandler.HandleConn(t.ctx, connBegin)
sh.HandleConn(t.ctx, connBegin)
}
t.channelzID, err = channelz.RegisterNormalSocket(t, opts.ChannelzParentID, fmt.Sprintf("%s -> %s", t.localAddr, t.remoteAddr))
if err != nil {
@@ -359,21 +377,32 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
t.kpDormancyCond = sync.NewCond(&t.mu)
go t.keepalive()
}
// Start the reader goroutine for incoming message. Each transport has
// a dedicated goroutine which reads HTTP2 frame from network. Then it
// dispatches the frame to the corresponding stream entity.
go t.reader()
// Start the reader goroutine for incoming messages. Each transport has a
// dedicated goroutine which reads HTTP2 frames from the network. Then it
// dispatches the frame to the corresponding stream entity. When the
// server preface is received, readerErrCh is closed. If an error occurs
// first, an error is pushed to the channel. This must be checked before
// returning from this function.
readerErrCh := make(chan error, 1)
go t.reader(readerErrCh)
defer func() {
if err == nil {
err = <-readerErrCh
}
if err != nil {
t.Close(err)
}
}()
// Send connection preface to server.
n, err := t.conn.Write(clientPreface)
if err != nil {
err = connectionErrorf(true, err, "transport: failed to write client preface: %v", err)
t.Close(err)
return nil, err
}
if n != len(clientPreface) {
err = connectionErrorf(true, nil, "transport: preface mismatch, wrote %d bytes; want %d", n, len(clientPreface))
t.Close(err)
return nil, err
}
var ss []http2.Setting
@@ -393,14 +422,12 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
err = t.framer.fr.WriteSettings(ss...)
if err != nil {
err = connectionErrorf(true, err, "transport: failed to write initial settings frame: %v", err)
t.Close(err)
return nil, err
}
// Adjust the connection flow control window if needed.
if delta := uint32(icwz - defaultWindowSize); delta > 0 {
if err := t.framer.fr.WriteWindowUpdate(0, delta); err != nil {
err = connectionErrorf(true, err, "transport: failed to write window update: %v", err)
t.Close(err)
return nil, err
}
}
@@ -467,7 +494,7 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream {
func (t *http2Client) getPeer() *peer.Peer {
return &peer.Peer{
Addr: t.remoteAddr,
AuthInfo: t.authInfo,
AuthInfo: t.authInfo, // Can be nil
}
}
@@ -503,9 +530,22 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr)
headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-previous-rpc-attempts", Value: strconv.Itoa(callHdr.PreviousAttempts)})
}
registeredCompressors := t.registeredCompressors
if callHdr.SendCompress != "" {
headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-encoding", Value: callHdr.SendCompress})
headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-accept-encoding", Value: callHdr.SendCompress})
// Include the outgoing compressor name when compressor is not registered
// via encoding.RegisterCompressor. This is possible when client uses
// WithCompressor dial option.
if !grpcutil.IsCompressorNameRegistered(callHdr.SendCompress) {
if registeredCompressors != "" {
registeredCompressors += ","
}
registeredCompressors += callHdr.SendCompress
}
}
if registeredCompressors != "" {
headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-accept-encoding", Value: registeredCompressors})
}
if dl, ok := ctx.Deadline(); ok {
// Send out timeout regardless its value. The server can detect timeout context by itself.
@@ -585,7 +625,11 @@ func (t *http2Client) getTrAuthData(ctx context.Context, audience string) (map[s
for _, c := range t.perRPCCreds {
data, err := c.GetRequestMetadata(ctx, audience)
if err != nil {
if _, ok := status.FromError(err); ok {
if st, ok := status.FromError(err); ok {
// Restrict the code to the list allowed by gRFC A54.
if istatus.IsRestrictedControlPlaneCode(st) {
err = status.Errorf(codes.Internal, "transport: received per-RPC creds error with illegal status: %v", err)
}
return nil, err
}
@@ -614,7 +658,14 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
}
data, err := callCreds.GetRequestMetadata(ctx, audience)
if err != nil {
return nil, status.Errorf(codes.Internal, "transport: %v", err)
if st, ok := status.FromError(err); ok {
// Restrict the code to the list allowed by gRFC A54.
if istatus.IsRestrictedControlPlaneCode(st) {
err = status.Errorf(codes.Internal, "transport: received per-RPC creds error with illegal status: %v", err)
}
return nil, err
}
return nil, status.Errorf(codes.Internal, "transport: per-RPC creds failed due to error: %v", err)
}
callAuthData = make(map[string]string, len(data))
for k, v := range data {
@@ -630,13 +681,13 @@ func (t *http2Client) getCallAuthData(ctx context.Context, audience string, call
// NewStream errors result in transparent retry, as they mean nothing went onto
// the wire. However, there are two notable exceptions:
//
// 1. If the stream headers violate the max header list size allowed by the
// server. It's possible this could succeed on another transport, even if
// it's unlikely, but do not transparently retry.
// 2. If the credentials errored when requesting their headers. In this case,
// it's possible a retry can fix the problem, but indefinitely transparently
// retrying is not appropriate as it is likely the credentials, if they can
// eventually succeed, would need I/O to do so.
// 1. If the stream headers violate the max header list size allowed by the
// server. It's possible this could succeed on another transport, even if
// it's unlikely, but do not transparently retry.
// 2. If the credentials errored when requesting their headers. In this case,
// it's possible a retry can fix the problem, but indefinitely transparently
// retrying is not appropriate as it is likely the credentials, if they can
// eventually succeed, would need I/O to do so.
type NewStreamError struct {
Err error
@@ -685,7 +736,6 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
cleanup(err)
return err
}
t.activeStreams[id] = s
if channelz.IsOn() {
atomic.AddInt64(&t.czData.streamsStarted, 1)
atomic.StoreInt64(&t.czData.lastStreamCreatedTime, time.Now().UnixNano())
@@ -719,6 +769,13 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
t.nextID += 2
s.id = h.streamID
s.fc = &inFlow{limit: uint32(t.initialWindowSize)}
t.mu.Lock()
if t.activeStreams == nil { // Can be niled from Close().
t.mu.Unlock()
return false // Don't create a stream if the transport is already closed.
}
t.activeStreams[s.id] = s
t.mu.Unlock()
if t.streamQuota > 0 && t.waitingStreams > 0 {
select {
case t.streamsQuotaAvailable <- struct{}{}:
@@ -744,13 +801,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
}
for {
success, err := t.controlBuf.executeAndPut(func(it interface{}) bool {
if !checkForStreamQuota(it) {
return false
}
if !checkForHeaderListSize(it) {
return false
}
return true
return checkForHeaderListSize(it) && checkForStreamQuota(it)
}, hdr)
if err != nil {
// Connection closed.
@@ -773,24 +824,27 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream,
return nil, &NewStreamError{Err: ErrConnClosing, AllowTransparentRetry: true}
}
}
if t.statsHandler != nil {
if len(t.statsHandlers) != 0 {
header, ok := metadata.FromOutgoingContext(ctx)
if ok {
header.Set("user-agent", t.userAgent)
} else {
header = metadata.Pairs("user-agent", t.userAgent)
}
// Note: The header fields are compressed with hpack after this call returns.
// No WireLength field is set here.
outHeader := &stats.OutHeader{
Client: true,
FullMethod: callHdr.Method,
RemoteAddr: t.remoteAddr,
LocalAddr: t.localAddr,
Compression: callHdr.SendCompress,
Header: header,
for _, sh := range t.statsHandlers {
// Note: The header fields are compressed with hpack after this call returns.
// No WireLength field is set here.
// Note: Creating a new stats object to prevent pollution.
outHeader := &stats.OutHeader{
Client: true,
FullMethod: callHdr.Method,
RemoteAddr: t.remoteAddr,
LocalAddr: t.localAddr,
Compression: callHdr.SendCompress,
Header: header,
}
sh.HandleRPC(s.ctx, outHeader)
}
t.statsHandler.HandleRPC(s.ctx, outHeader)
}
return s, nil
}
@@ -873,19 +927,15 @@ func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.
// Close kicks off the shutdown process of the transport. This should be called
// only once on a transport. Once it is called, the transport should not be
// accessed any more.
//
// This method blocks until the addrConn that initiated this transport is
// re-connected. This happens because t.onClose() begins reconnect logic at the
// addrConn level and blocks until the addrConn is successfully connected.
func (t *http2Client) Close(err error) {
t.mu.Lock()
// Make sure we only Close once.
// Make sure we only close once.
if t.state == closing {
t.mu.Unlock()
return
}
// Call t.onClose before setting the state to closing to prevent the client
// from attempting to create new streams ASAP.
// Call t.onClose ASAP to prevent the client from attempting to create new
// streams.
t.onClose()
t.state = closing
streams := t.activeStreams
@@ -916,11 +966,11 @@ func (t *http2Client) Close(err error) {
for _, s := range streams {
t.closeStream(s, err, false, http2.ErrCodeNo, st, nil, false)
}
if t.statsHandler != nil {
for _, sh := range t.statsHandlers {
connEnd := &stats.ConnEnd{
Client: true,
}
t.statsHandler.HandleConn(t.ctx, connEnd)
sh.HandleConn(t.ctx, connEnd)
}
}
@@ -1000,13 +1050,13 @@ func (t *http2Client) updateWindow(s *Stream, n uint32) {
// for the transport and the stream based on the current bdp
// estimation.
func (t *http2Client) updateFlowControl(n uint32) {
t.mu.Lock()
for _, s := range t.activeStreams {
s.fc.newLimit(n)
}
t.mu.Unlock()
updateIWS := func(interface{}) bool {
t.initialWindowSize = int32(n)
t.mu.Lock()
for _, s := range t.activeStreams {
s.fc.newLimit(n)
}
t.mu.Unlock()
return true
}
t.controlBuf.executeAndPut(updateIWS, &outgoingWindowUpdate{streamID: 0, increment: t.fc.newLimit(n)})
@@ -1212,7 +1262,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
default:
t.setGoAwayReason(f)
close(t.goAway)
t.controlBuf.put(&incomingGoAway{})
defer t.controlBuf.put(&incomingGoAway{}) // Defer as t.mu is currently held.
// Notify the clientconn about the GOAWAY before we set the state to
// draining, to allow the client to stop attempting to create streams
// before disallowing new streams on this connection.
@@ -1225,18 +1275,29 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) {
if upperLimit == 0 { // This is the first GoAway Frame.
upperLimit = math.MaxUint32 // Kill all streams after the GoAway ID.
}
t.prevGoAwayID = id
if len(t.activeStreams) == 0 {
t.mu.Unlock()
t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
return
}
streamsToClose := make([]*Stream, 0)
for streamID, stream := range t.activeStreams {
if streamID > id && streamID <= upperLimit {
// The stream was unprocessed by the server.
atomic.StoreUint32(&stream.unprocessed, 1)
t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false)
if streamID > id && streamID <= upperLimit {
atomic.StoreUint32(&stream.unprocessed, 1)
streamsToClose = append(streamsToClose, stream)
}
}
}
t.prevGoAwayID = id
active := len(t.activeStreams)
t.mu.Unlock()
if active == 0 {
t.Close(connectionErrorf(true, nil, "received goaway and there are no active streams"))
// Called outside t.mu because closeStream can take controlBuf's mu, which
// could induce deadlock and is not allowed.
for _, stream := range streamsToClose {
t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false)
}
}
@@ -1432,7 +1493,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
close(s.headerChan)
}
if t.statsHandler != nil {
for _, sh := range t.statsHandlers {
if isHeader {
inHeader := &stats.InHeader{
Client: true,
@@ -1440,14 +1501,14 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
Header: metadata.MD(mdata).Copy(),
Compression: s.recvCompress,
}
t.statsHandler.HandleRPC(s.ctx, inHeader)
sh.HandleRPC(s.ctx, inHeader)
} else {
inTrailer := &stats.InTrailer{
Client: true,
WireLength: int(frame.Header().Length),
Trailer: metadata.MD(mdata).Copy(),
}
t.statsHandler.HandleRPC(s.ctx, inTrailer)
sh.HandleRPC(s.ctx, inTrailer)
}
}
@@ -1464,33 +1525,35 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) {
t.closeStream(s, io.EOF, rst, http2.ErrCodeNo, statusGen, mdata, true)
}
// reader runs as a separate goroutine in charge of reading data from network
// connection.
//
// TODO(zhaoq): currently one reader per transport. Investigate whether this is
// optimal.
// TODO(zhaoq): Check the validity of the incoming frame sequence.
func (t *http2Client) reader() {
defer close(t.readerDone)
// Check the validity of server preface.
// readServerPreface reads and handles the initial settings frame from the
// server.
func (t *http2Client) readServerPreface() error {
frame, err := t.framer.fr.ReadFrame()
if err != nil {
err = connectionErrorf(true, err, "error reading server preface: %v", err)
t.Close(err) // this kicks off resetTransport, so must be last before return
return
}
t.conn.SetReadDeadline(time.Time{}) // reset deadline once we get the settings frame (we didn't time out, yay!)
if t.keepaliveEnabled {
atomic.StoreInt64(&t.lastRead, time.Now().UnixNano())
return connectionErrorf(true, err, "error reading server preface: %v", err)
}
sf, ok := frame.(*http2.SettingsFrame)
if !ok {
// this kicks off resetTransport, so must be last before return
t.Close(connectionErrorf(true, nil, "initial http2 frame from server is not a settings frame: %T", frame))
return connectionErrorf(true, nil, "initial http2 frame from server is not a settings frame: %T", frame)
}
t.handleSettings(sf, true)
return nil
}
// reader verifies the server preface and reads all subsequent data from
// network connection. If the server preface is not read successfully, an
// error is pushed to errCh; otherwise errCh is closed with no error.
func (t *http2Client) reader(errCh chan<- error) {
defer close(t.readerDone)
if err := t.readServerPreface(); err != nil {
errCh <- err
return
}
t.onPrefaceReceipt()
t.handleSettings(sf, true)
close(errCh)
if t.keepaliveEnabled {
atomic.StoreInt64(&t.lastRead, time.Now().UnixNano())
}
// loop to keep reading incoming messages on this transport.
for {

68
vendor/google.golang.org/grpc/internal/transport/http2_server.go generated vendored
View File

@@ -82,7 +82,7 @@ type http2Server struct {
// updates, reset streams, and various settings) to the controller.
controlBuf *controlBuffer
fc *trInFlow
stats stats.Handler
stats []stats.Handler
// Keepalive and max-age parameters for the server.
kp keepalive.ServerParameters
// Keepalive enforcement policy.
@@ -257,7 +257,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
fc: &trInFlow{limit: uint32(icwz)},
state: reachable,
activeStreams: make(map[uint32]*Stream),
stats: config.StatsHandler,
stats: config.StatsHandlers,
kp: kp,
idle: time.Now(),
kep: kep,
@@ -265,6 +265,9 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
czData: new(channelzData),
bufferPool: newBufferPool(),
}
// Add peer information to the http2server context.
t.ctx = peer.NewContext(t.ctx, t.getPeer())
t.controlBuf = newControlBuffer(t.done)
if dynamicWindow {
t.bdpEst = &bdpEstimator{
@@ -272,13 +275,13 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport,
updateFlowControl: t.updateFlowControl,
}
}
if t.stats != nil {
t.ctx = t.stats.TagConn(t.ctx, &stats.ConnTagInfo{
for _, sh := range t.stats {
t.ctx = sh.TagConn(t.ctx, &stats.ConnTagInfo{
RemoteAddr: t.remoteAddr,
LocalAddr: t.localAddr,
})
connBegin := &stats.ConnBegin{}
t.stats.HandleConn(t.ctx, connBegin)
sh.HandleConn(t.ctx, connBegin)
}
t.channelzID, err = channelz.RegisterNormalSocket(t, config.ChannelzParentID, fmt.Sprintf("%s -> %s", t.remoteAddr, t.localAddr))
if err != nil {
@@ -485,14 +488,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
} else {
s.ctx, s.cancel = context.WithCancel(t.ctx)
}
pr := &peer.Peer{
Addr: t.remoteAddr,
}
// Attach Auth info if there is any.
if t.authInfo != nil {
pr.AuthInfo = t.authInfo
}
s.ctx = peer.NewContext(s.ctx, pr)
// Attach the received metadata to the context.
if len(mdata) > 0 {
s.ctx = metadata.NewIncomingContext(s.ctx, mdata)
@@ -570,8 +566,8 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
t.adjustWindow(s, uint32(n))
}
s.ctx = traceCtx(s.ctx, s.method)
if t.stats != nil {
s.ctx = t.stats.TagRPC(s.ctx, &stats.RPCTagInfo{FullMethodName: s.method})
for _, sh := range t.stats {
s.ctx = sh.TagRPC(s.ctx, &stats.RPCTagInfo{FullMethodName: s.method})
inHeader := &stats.InHeader{
FullMethod: s.method,
RemoteAddr: t.remoteAddr,
@@ -580,7 +576,7 @@ func (t *http2Server) operateHeaders(frame *http2.MetaHeadersFrame, handle func(
WireLength: int(frame.Header().Length),
Header: metadata.MD(mdata).Copy(),
}
t.stats.HandleRPC(s.ctx, inHeader)
sh.HandleRPC(s.ctx, inHeader)
}
s.ctxDone = s.ctx.Done()
s.wq = newWriteQuota(defaultWriteQuota, s.ctxDone)
@@ -945,15 +941,16 @@ func (t *http2Server) streamContextErr(s *Stream) error {
// WriteHeader sends the header metadata md back to the client.
func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
if s.updateHeaderSent() {
return ErrIllegalHeaderWrite
}
s.hdrMu.Lock()
defer s.hdrMu.Unlock()
if s.getState() == streamDone {
return t.streamContextErr(s)
}
s.hdrMu.Lock()
if s.updateHeaderSent() {
return ErrIllegalHeaderWrite
}
if md.Len() > 0 {
if s.header.Len() > 0 {
s.header = metadata.Join(s.header, md)
@@ -962,10 +959,8 @@ func (t *http2Server) WriteHeader(s *Stream, md metadata.MD) error {
}
}
if err := t.writeHeaderLocked(s); err != nil {
s.hdrMu.Unlock()
return status.Convert(err).Err()
}
s.hdrMu.Unlock()
return nil
}
@@ -996,14 +991,14 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
t.closeStream(s, true, http2.ErrCodeInternal, false)
return ErrHeaderListSizeLimitViolation
}
if t.stats != nil {
for _, sh := range t.stats {
// Note: Headers are compressed with hpack after this call returns.
// No WireLength field is set here.
outHeader := &stats.OutHeader{
Header: s.header.Copy(),
Compression: s.sendCompress,
}
t.stats.HandleRPC(s.Context(), outHeader)
sh.HandleRPC(s.Context(), outHeader)
}
return nil
}
@@ -1013,17 +1008,19 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error {
// TODO(zhaoq): Now it indicates the end of entire stream. Revisit if early
// OK is adopted.
func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
s.hdrMu.Lock()
defer s.hdrMu.Unlock()
if s.getState() == streamDone {
return nil
}
s.hdrMu.Lock()
// TODO(mmukhi): Benchmark if the performance gets better if count the metadata and other header fields
// first and create a slice of that exact size.
headerFields := make([]hpack.HeaderField, 0, 2) // grpc-status and grpc-message will be there if none else.
if !s.updateHeaderSent() { // No headers have been sent.
if len(s.header) > 0 { // Send a separate header frame.
if err := t.writeHeaderLocked(s); err != nil {
s.hdrMu.Unlock()
return err
}
} else { // Send a trailer only response.
@@ -1052,7 +1049,7 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
endStream: true,
onWrite: t.setResetPingStrikes,
}
s.hdrMu.Unlock()
success, err := t.controlBuf.execute(t.checkForHeaderListSize, trailingHeader)
if !success {
if err != nil {
@@ -1064,10 +1061,10 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error {
// Send a RST_STREAM after the trailers if the client has not already half-closed.
rst := s.getState() == streamActive
t.finishStream(s, rst, http2.ErrCodeNo, trailingHeader, true)
if t.stats != nil {
for _, sh := range t.stats {
// Note: The trailer fields are compressed with hpack after this call returns.
// No WireLength field is set here.
t.stats.HandleRPC(s.Context(), &stats.OutTrailer{
sh.HandleRPC(s.Context(), &stats.OutTrailer{
Trailer: s.trailer.Copy(),
})
}
@@ -1222,9 +1219,9 @@ func (t *http2Server) Close() {
for _, s := range streams {
s.cancel()
}
if t.stats != nil {
for _, sh := range t.stats {
connEnd := &stats.ConnEnd{}
t.stats.HandleConn(t.ctx, connEnd)
sh.HandleConn(t.ctx, connEnd)
}
}
@@ -1415,6 +1412,13 @@ func (t *http2Server) getOutFlowWindow() int64 {
}
}
func (t *http2Server) getPeer() *peer.Peer {
return &peer.Peer{
Addr: t.remoteAddr,
AuthInfo: t.authInfo, // Can be nil
}
}
func getJitter(v time.Duration) time.Duration {
if v == infinity {
return 0

34
vendor/google.golang.org/grpc/internal/transport/http_util.go generated vendored
View File

@@ -20,7 +20,6 @@ package transport
import (
"bufio"
"bytes"
"encoding/base64"
"fmt"
"io"
@@ -45,14 +44,8 @@ import (
const (
// http2MaxFrameLen specifies the max length of a HTTP2 frame.
http2MaxFrameLen = 16384 // 16KB frame
// http://http2.github.io/http2-spec/#SettingValues
// https://httpwg.org/specs/rfc7540.html#SettingValues
http2InitHeaderTableSize = 4096
// baseContentType is the base content-type for gRPC. This is a valid
// content-type on it's own, but can also include a content-subtype such as
// "proto" as a suffix after "+" or ";". See
// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests
// for more details.
)
var (
@@ -257,13 +250,13 @@ func encodeGrpcMessage(msg string) string {
}
func encodeGrpcMessageUnchecked(msg string) string {
var buf bytes.Buffer
var sb strings.Builder
for len(msg) > 0 {
r, size := utf8.DecodeRuneInString(msg)
for _, b := range []byte(string(r)) {
if size > 1 {
// If size > 1, r is not ascii. Always do percent encoding.
buf.WriteString(fmt.Sprintf("%%%02X", b))
fmt.Fprintf(&sb, "%%%02X", b)
continue
}
@@ -272,14 +265,14 @@ func encodeGrpcMessageUnchecked(msg string) string {
//
// fmt.Sprintf("%%%02X", utf8.RuneError) gives "%FFFD".
if b >= spaceByte && b <= tildeByte && b != percentByte {
buf.WriteByte(b)
sb.WriteByte(b)
} else {
buf.WriteString(fmt.Sprintf("%%%02X", b))
fmt.Fprintf(&sb, "%%%02X", b)
}
}
msg = msg[size:]
}
return buf.String()
return sb.String()
}
// decodeGrpcMessage decodes the msg encoded by encodeGrpcMessage.
@@ -297,23 +290,23 @@ func decodeGrpcMessage(msg string) string {
}
func decodeGrpcMessageUnchecked(msg string) string {
var buf bytes.Buffer
var sb strings.Builder
lenMsg := len(msg)
for i := 0; i < lenMsg; i++ {
c := msg[i]
if c == percentByte && i+2 < lenMsg {
parsed, err := strconv.ParseUint(msg[i+1:i+3], 16, 8)
if err != nil {
buf.WriteByte(c)
sb.WriteByte(c)
} else {
buf.WriteByte(byte(parsed))
sb.WriteByte(byte(parsed))
i += 2
}
} else {
buf.WriteByte(c)
sb.WriteByte(c)
}
}
return buf.String()
return sb.String()
}
type bufWriter struct {
@@ -322,8 +315,6 @@ type bufWriter struct {
batchSize int
conn net.Conn
err error
onFlush func()
}
func newBufWriter(conn net.Conn, batchSize int) *bufWriter {
@@ -360,9 +351,6 @@ func (w *bufWriter) Flush() error {
if w.offset == 0 {
return nil
}
if w.onFlush != nil {
w.onFlush()
}
_, w.err = w.conn.Write(w.buf[:w.offset])
w.offset = 0
return w.err

20
vendor/google.golang.org/grpc/internal/transport/transport.go generated vendored
View File

@@ -43,6 +43,10 @@ import (
"google.golang.org/grpc/tap"
)
// ErrNoHeaders is used as a signal that a trailers only response was received,
// and is not a real error.
var ErrNoHeaders = errors.New("stream has no headers")
const logLevel = 2
type bufferPool struct {
@@ -366,9 +370,15 @@ func (s *Stream) Header() (metadata.MD, error) {
return s.header.Copy(), nil
}
s.waitOnHeader()
if !s.headerValid {
return nil, s.status.Err()
}
if s.noHeaders {
return nil, ErrNoHeaders
}
return s.header.Copy(), nil
}
@@ -523,7 +533,7 @@ type ServerConfig struct {
ConnectionTimeout time.Duration
Credentials credentials.TransportCredentials
InTapHandle tap.ServerInHandle
StatsHandler stats.Handler
StatsHandlers []stats.Handler
KeepaliveParams keepalive.ServerParameters
KeepalivePolicy keepalive.EnforcementPolicy
InitialWindowSize int32
@@ -553,8 +563,8 @@ type ConnectOptions struct {
CredsBundle credentials.Bundle
// KeepaliveParams stores the keepalive parameters.
KeepaliveParams keepalive.ClientParameters
// StatsHandler stores the handler for stats.
StatsHandler stats.Handler
// StatsHandlers stores the handler for stats.
StatsHandlers []stats.Handler
// InitialWindowSize sets the initial window size for a stream.
InitialWindowSize int32
// InitialConnWindowSize sets the initial window size for a connection.
@@ -573,8 +583,8 @@ type ConnectOptions struct {
// 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, addr resolver.Address, opts ConnectOptions, onGoAway func(GoAwayReason), onClose func()) (ClientTransport, error) {
return newHTTP2Client(connectCtx, ctx, addr, opts, onGoAway, onClose)
}
// Options provides additional hints and information for message

73
vendor/google.golang.org/grpc/metadata/metadata.go generated vendored
View File

@@ -41,16 +41,17 @@ type MD map[string][]string
// New creates an MD from a given key-value map.
//
// Only the following ASCII characters are allowed in keys:
// - digits: 0-9
// - uppercase letters: A-Z (normalized to lower)
// - lowercase letters: a-z
// - special characters: -_.
// - digits: 0-9
// - uppercase letters: A-Z (normalized to lower)
// - lowercase letters: a-z
// - special characters: -_.
//
// Uppercase letters are automatically converted to lowercase.
//
// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
// result in errors if set in metadata.
func New(m map[string]string) MD {
md := MD{}
md := make(MD, len(m))
for k, val := range m {
key := strings.ToLower(k)
md[key] = append(md[key], val)
@@ -62,10 +63,11 @@ func New(m map[string]string) MD {
// Pairs panics if len(kv) is odd.
//
// Only the following ASCII characters are allowed in keys:
// - digits: 0-9
// - uppercase letters: A-Z (normalized to lower)
// - lowercase letters: a-z
// - special characters: -_.
// - digits: 0-9
// - uppercase letters: A-Z (normalized to lower)
// - lowercase letters: a-z
// - special characters: -_.
//
// Uppercase letters are automatically converted to lowercase.
//
// Keys beginning with "grpc-" are reserved for grpc-internal use only and may
@@ -74,7 +76,7 @@ func Pairs(kv ...string) MD {
if len(kv)%2 == 1 {
panic(fmt.Sprintf("metadata: Pairs got the odd number of input pairs for metadata: %d", len(kv)))
}
md := MD{}
md := make(MD, len(kv)/2)
for i := 0; i < len(kv); i += 2 {
key := strings.ToLower(kv[i])
md[key] = append(md[key], kv[i+1])
@@ -182,19 +184,51 @@ func FromIncomingContext(ctx context.Context) (MD, bool) {
if !ok {
return nil, false
}
out := MD{}
out := make(MD, len(md))
for k, v := range md {
// We need to manually convert all keys to lower case, because MD is a
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
s := make([]string, len(v))
copy(s, v)
out[key] = s
out[key] = copyOf(v)
}
return out, true
}
// ValueFromIncomingContext returns the metadata value corresponding to the metadata
// key from the incoming metadata if it exists. Key must be lower-case.
//
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
func ValueFromIncomingContext(ctx context.Context, key string) []string {
md, ok := ctx.Value(mdIncomingKey{}).(MD)
if !ok {
return nil
}
if v, ok := md[key]; ok {
return copyOf(v)
}
for k, v := range md {
// We need to manually convert all keys to lower case, because MD is a
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
if strings.ToLower(k) == key {
return copyOf(v)
}
}
return nil
}
// the returned slice must not be modified in place
func copyOf(v []string) []string {
vals := make([]string, len(v))
copy(vals, v)
return vals
}
// FromOutgoingContextRaw returns the un-merged, intermediary contents of rawMD.
//
// Remember to perform strings.ToLower on the keys, for both the returned MD (MD
@@ -222,15 +256,18 @@ func FromOutgoingContext(ctx context.Context) (MD, bool) {
return nil, false
}
out := MD{}
mdSize := len(raw.md)
for i := range raw.added {
mdSize += len(raw.added[i]) / 2
}
out := make(MD, mdSize)
for k, v := range raw.md {
// We need to manually convert all keys to lower case, because MD is a
// map, and there's no guarantee that the MD attached to the context is
// created using our helper functions.
key := strings.ToLower(k)
s := make([]string, len(v))
copy(s, v)
out[key] = s
out[key] = copyOf(v)
}
for _, added := range raw.added {
if len(added)%2 == 1 {

7
vendor/google.golang.org/grpc/picker_wrapper.go generated vendored
View File

@@ -26,6 +26,7 @@ import (
"google.golang.org/grpc/balancer"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/internal/channelz"
istatus "google.golang.org/grpc/internal/status"
"google.golang.org/grpc/internal/transport"
"google.golang.org/grpc/status"
)
@@ -129,8 +130,12 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
if err == balancer.ErrNoSubConnAvailable {
continue
}
if _, ok := status.FromError(err); ok {
if st, ok := status.FromError(err); ok {
// Status error: end the RPC unconditionally with this status.
// First restrict the code to the list allowed by gRFC A54.
if istatus.IsRestrictedControlPlaneCode(st) {
err = status.Errorf(codes.Internal, "received picker error with illegal status: %v", err)
}
return nil, nil, dropError{error: err}
}
// For all other errors, wait for ready RPCs should block and other

2
vendor/google.golang.org/grpc/preloader.go generated vendored
View File

@@ -25,7 +25,7 @@ import (
// PreparedMsg is responsible for creating a Marshalled and Compressed object.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.

7
vendor/google.golang.org/grpc/regenerate.sh generated vendored
View File

@@ -68,7 +68,6 @@ SOURCES=(
${WORKDIR}/grpc-proto/grpc/gcp/transport_security_common.proto
${WORKDIR}/grpc-proto/grpc/lookup/v1/rls.proto
${WORKDIR}/grpc-proto/grpc/lookup/v1/rls_config.proto
${WORKDIR}/grpc-proto/grpc/service_config/service_config.proto
${WORKDIR}/grpc-proto/grpc/testing/*.proto
${WORKDIR}/grpc-proto/grpc/core/*.proto
)
@@ -80,8 +79,7 @@ SOURCES=(
# Note that the protos listed here are all for testing purposes. All protos to
# be used externally should have a go_package option (and they don't need to be
# listed here).
OPTS=Mgrpc/service_config/service_config.proto=/internal/proto/grpc_service_config,\
Mgrpc/core/stats.proto=google.golang.org/grpc/interop/grpc_testing/core,\
OPTS=Mgrpc/core/stats.proto=google.golang.org/grpc/interop/grpc_testing/core,\
Mgrpc/testing/benchmark_service.proto=google.golang.org/grpc/interop/grpc_testing,\
Mgrpc/testing/stats.proto=google.golang.org/grpc/interop/grpc_testing,\
Mgrpc/testing/report_qps_scenario_service.proto=google.golang.org/grpc/interop/grpc_testing,\
@@ -121,9 +119,6 @@ mv ${WORKDIR}/out/google.golang.org/grpc/lookup/grpc_lookup_v1/* ${WORKDIR}/out/
# see grpc_testing_not_regenerate/README.md for details.
rm ${WORKDIR}/out/google.golang.org/grpc/reflection/grpc_testing_not_regenerate/*.pb.go
# grpc/service_config/service_config.proto does not have a go_package option.
mv ${WORKDIR}/out/grpc/service_config/service_config.pb.go internal/proto/grpc_service_config
# grpc/testing does not have a go_package option.
mv ${WORKDIR}/out/grpc/testing/*.pb.go interop/grpc_testing/
mv ${WORKDIR}/out/grpc/core/*.pb.go interop/grpc_testing/core/

55
vendor/google.golang.org/grpc/resolver/map.go generated vendored
View File

@@ -28,25 +28,40 @@ type addressMapEntry struct {
// Multiple accesses may not be performed concurrently. Must be created via
// NewAddressMap; do not construct directly.
type AddressMap struct {
m map[string]addressMapEntryList
// The underlying map is keyed by an Address with fields that we don't care
// about being set to their zero values. The only fields that we care about
// are `Addr`, `ServerName` and `Attributes`. Since we need to be able to
// distinguish between addresses with same `Addr` and `ServerName`, but
// different `Attributes`, we cannot store the `Attributes` in the map key.
//
// The comparison operation for structs work as follows:
// Struct values are comparable if all their fields are comparable. Two
// struct values are equal if their corresponding non-blank fields are equal.
//
// The value type of the map contains a slice of addresses which match the key
// in their `Addr` and `ServerName` fields and contain the corresponding value
// associated with them.
m map[Address]addressMapEntryList
}
func toMapKey(addr *Address) Address {
return Address{Addr: addr.Addr, ServerName: addr.ServerName}
}
type addressMapEntryList []*addressMapEntry
// NewAddressMap creates a new AddressMap.
func NewAddressMap() *AddressMap {
return &AddressMap{m: make(map[string]addressMapEntryList)}
return &AddressMap{m: make(map[Address]addressMapEntryList)}
}
// find returns the index of addr in the addressMapEntry slice, or -1 if not
// present.
func (l addressMapEntryList) find(addr Address) int {
if len(l) == 0 {
return -1
}
for i, entry := range l {
if entry.addr.ServerName == addr.ServerName &&
entry.addr.Attributes.Equal(addr.Attributes) {
// Attributes are the only thing to match on here, since `Addr` and
// `ServerName` are already equal.
if entry.addr.Attributes.Equal(addr.Attributes) {
return i
}
}
@@ -55,7 +70,8 @@ func (l addressMapEntryList) find(addr Address) int {
// Get returns the value for the address in the map, if present.
func (a *AddressMap) Get(addr Address) (value interface{}, ok bool) {
entryList := a.m[addr.Addr]
addrKey := toMapKey(&addr)
entryList := a.m[addrKey]
if entry := entryList.find(addr); entry != -1 {
return entryList[entry].value, true
}
@@ -64,17 +80,19 @@ func (a *AddressMap) Get(addr Address) (value interface{}, ok bool) {
// Set updates or adds the value to the address in the map.
func (a *AddressMap) Set(addr Address, value interface{}) {
entryList := a.m[addr.Addr]
addrKey := toMapKey(&addr)
entryList := a.m[addrKey]
if entry := entryList.find(addr); entry != -1 {
a.m[addr.Addr][entry].value = value
entryList[entry].value = value
return
}
a.m[addr.Addr] = append(a.m[addr.Addr], &addressMapEntry{addr: addr, value: value})
a.m[addrKey] = append(entryList, &addressMapEntry{addr: addr, value: value})
}
// Delete removes addr from the map.
func (a *AddressMap) Delete(addr Address) {
entryList := a.m[addr.Addr]
addrKey := toMapKey(&addr)
entryList := a.m[addrKey]
entry := entryList.find(addr)
if entry == -1 {
return
@@ -85,7 +103,7 @@ func (a *AddressMap) Delete(addr Address) {
copy(entryList[entry:], entryList[entry+1:])
entryList = entryList[:len(entryList)-1]
}
a.m[addr.Addr] = entryList
a.m[addrKey] = entryList
}
// Len returns the number of entries in the map.
@@ -107,3 +125,14 @@ func (a *AddressMap) Keys() []Address {
}
return ret
}
// Values returns a slice of all current map values.
func (a *AddressMap) Values() []interface{} {
ret := make([]interface{}, 0, a.Len())
for _, entryList := range a.m {
for _, entry := range entryList {
ret = append(ret, entry.value)
}
}
return ret
}

14
vendor/google.golang.org/grpc/resolver/resolver.go generated vendored
View File

@@ -96,7 +96,7 @@ const (
// Address represents a server the client connects to.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -236,12 +236,12 @@ type ClientConn interface {
//
// Examples:
//
// - "dns://some_authority/foo.bar"
// Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"}
// - "foo.bar"
// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"}
// - "unknown_scheme://authority/endpoint"
// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"}
// - "dns://some_authority/foo.bar"
// Target{Scheme: "dns", Authority: "some_authority", Endpoint: "foo.bar"}
// - "foo.bar"
// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "foo.bar"}
// - "unknown_scheme://authority/endpoint"
// Target{Scheme: resolver.GetDefaultScheme(), Endpoint: "unknown_scheme://authority/endpoint"}
type Target struct {
// Deprecated: use URL.Scheme instead.
Scheme string

39
vendor/google.golang.org/grpc/rpc_util.go generated vendored
View File

@@ -198,7 +198,7 @@ func Header(md *metadata.MD) CallOption {
// HeaderCallOption is a CallOption for collecting response header metadata.
// The metadata field will be populated *after* the RPC completes.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -220,7 +220,7 @@ func Trailer(md *metadata.MD) CallOption {
// TrailerCallOption is a CallOption for collecting response trailer metadata.
// The metadata field will be populated *after* the RPC completes.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -242,7 +242,7 @@ func Peer(p *peer.Peer) CallOption {
// PeerCallOption is a CallOption for collecting the identity of the remote
// peer. The peer field will be populated *after* the RPC completes.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -282,7 +282,7 @@ func FailFast(failFast bool) CallOption {
// FailFastCallOption is a CallOption for indicating whether an RPC should fail
// fast or not.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -305,7 +305,7 @@ func MaxCallRecvMsgSize(bytes int) CallOption {
// MaxRecvMsgSizeCallOption is a CallOption that indicates the maximum message
// size in bytes the client can receive.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -328,7 +328,7 @@ func MaxCallSendMsgSize(bytes int) CallOption {
// MaxSendMsgSizeCallOption is a CallOption that indicates the maximum message
// size in bytes the client can send.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -351,7 +351,7 @@ func PerRPCCredentials(creds credentials.PerRPCCredentials) CallOption {
// PerRPCCredsCallOption is a CallOption that indicates the per-RPC
// credentials to use for the call.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -369,7 +369,7 @@ func (o PerRPCCredsCallOption) after(c *callInfo, attempt *csAttempt) {}
// sending the request. If WithCompressor is also set, UseCompressor has
// higher priority.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -379,7 +379,7 @@ func UseCompressor(name string) CallOption {
// CompressorCallOption is a CallOption that indicates the compressor to use.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -416,7 +416,7 @@ func CallContentSubtype(contentSubtype string) CallOption {
// ContentSubtypeCallOption is a CallOption that indicates the content-subtype
// used for marshaling messages.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -444,7 +444,7 @@ func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {}
// This function is provided for advanced users; prefer to use only
// CallContentSubtype to select a registered codec instead.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -455,7 +455,7 @@ func ForceCodec(codec encoding.Codec) CallOption {
// ForceCodecCallOption is a CallOption that indicates the codec used for
// marshaling messages.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -480,7 +480,7 @@ func CallCustomCodec(codec Codec) CallOption {
// CustomCodecCallOption is a CallOption that indicates the codec used for
// marshaling messages.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -497,7 +497,7 @@ func (o CustomCodecCallOption) after(c *callInfo, attempt *csAttempt) {}
// MaxRetryRPCBufferSize returns a CallOption that limits the amount of memory
// used for buffering this RPC's requests for retry purposes.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -508,7 +508,7 @@ func MaxRetryRPCBufferSize(bytes int) CallOption {
// MaxRetryRPCBufferSizeCallOption is a CallOption indicating the amount of
// memory to be used for caching this RPC for retry purposes.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -548,10 +548,11 @@ type parser struct {
// format. The caller owns the returned msg memory.
//
// If there is an error, possible values are:
// * io.EOF, when no messages remain
// * io.ErrUnexpectedEOF
// * of type transport.ConnectionError
// * an error from the status package
// - io.EOF, when no messages remain
// - io.ErrUnexpectedEOF
// - of type transport.ConnectionError
// - an error from the status package
//
// No other error values or types must be returned, which also means
// that the underlying io.Reader must not return an incompatible
// error.

245
vendor/google.golang.org/grpc/server.go generated vendored
View File

@@ -73,6 +73,14 @@ func init() {
internal.DrainServerTransports = func(srv *Server, addr string) {
srv.drainServerTransports(addr)
}
internal.AddGlobalServerOptions = func(opt ...ServerOption) {
extraServerOptions = append(extraServerOptions, opt...)
}
internal.ClearGlobalServerOptions = func() {
extraServerOptions = nil
}
internal.BinaryLogger = binaryLogger
internal.JoinServerOptions = newJoinServerOption
}
var statusOK = status.New(codes.OK, "")
@@ -149,8 +157,9 @@ type serverOptions struct {
streamInt StreamServerInterceptor
chainUnaryInts []UnaryServerInterceptor
chainStreamInts []StreamServerInterceptor
binaryLogger binarylog.Logger
inTapHandle tap.ServerInHandle
statsHandler stats.Handler
statsHandlers []stats.Handler
maxConcurrentStreams uint32
maxReceiveMessageSize int
maxSendMessageSize int
@@ -174,6 +183,7 @@ var defaultServerOptions = serverOptions{
writeBufferSize: defaultWriteBufSize,
readBufferSize: defaultReadBufSize,
}
var extraServerOptions []ServerOption
// A ServerOption sets options such as credentials, codec and keepalive parameters, etc.
type ServerOption interface {
@@ -183,7 +193,7 @@ type ServerOption interface {
// EmptyServerOption does not alter the server configuration. It can be embedded
// in another structure to build custom server options.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -207,6 +217,22 @@ func newFuncServerOption(f func(*serverOptions)) *funcServerOption {
}
}
// joinServerOption provides a way to combine arbitrary number of server
// options into one.
type joinServerOption struct {
opts []ServerOption
}
func (mdo *joinServerOption) apply(do *serverOptions) {
for _, opt := range mdo.opts {
opt.apply(do)
}
}
func newJoinServerOption(opts ...ServerOption) ServerOption {
return &joinServerOption{opts: opts}
}
// WriteBufferSize determines how much data can be batched before doing a write on the wire.
// The corresponding memory allocation for this buffer will be twice the size to keep syscalls low.
// The default value for this buffer is 32KB.
@@ -298,7 +324,7 @@ func CustomCodec(codec Codec) ServerOption {
// https://github.com/grpc/grpc-go/blob/master/Documentation/encoding.md#using-a-codec.
// Will be supported throughout 1.x.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -419,7 +445,7 @@ func ChainStreamInterceptor(interceptors ...StreamServerInterceptor) ServerOptio
// InTapHandle returns a ServerOption that sets the tap handle for all the server
// transport to be created. Only one can be installed.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -435,7 +461,21 @@ func InTapHandle(h tap.ServerInHandle) ServerOption {
// StatsHandler returns a ServerOption that sets the stats handler for the server.
func StatsHandler(h stats.Handler) ServerOption {
return newFuncServerOption(func(o *serverOptions) {
o.statsHandler = h
if h == nil {
logger.Error("ignoring nil parameter in grpc.StatsHandler ServerOption")
// Do not allow a nil stats handler, which would otherwise cause
// panics.
return
}
o.statsHandlers = append(o.statsHandlers, h)
})
}
// binaryLogger returns a ServerOption that can set the binary logger for the
// server.
func binaryLogger(bl binarylog.Logger) ServerOption {
return newFuncServerOption(func(o *serverOptions) {
o.binaryLogger = bl
})
}
@@ -462,7 +502,7 @@ func UnknownServiceHandler(streamHandler StreamHandler) ServerOption {
// new connections. If this is not set, the default is 120 seconds. A zero or
// negative value will result in an immediate timeout.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -483,7 +523,7 @@ func MaxHeaderListSize(s uint32) ServerOption {
// HeaderTableSize returns a ServerOption that sets the size of dynamic
// header table for stream.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -498,7 +538,7 @@ func HeaderTableSize(s uint32) ServerOption {
// zero (default) will disable workers and spawn a new goroutine for each
// stream.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -560,6 +600,9 @@ func (s *Server) stopServerWorkers() {
// started to accept requests yet.
func NewServer(opt ...ServerOption) *Server {
opts := defaultServerOptions
for _, o := range extraServerOptions {
o.apply(&opts)
}
for _, o := range opt {
o.apply(&opts)
}
@@ -867,7 +910,7 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport {
ConnectionTimeout: s.opts.connectionTimeout,
Credentials: s.opts.creds,
InTapHandle: s.opts.inTapHandle,
StatsHandler: s.opts.statsHandler,
StatsHandlers: s.opts.statsHandlers,
KeepaliveParams: s.opts.keepaliveParams,
KeepalivePolicy: s.opts.keepalivePolicy,
InitialWindowSize: s.opts.initialWindowSize,
@@ -888,7 +931,7 @@ func (s *Server) newHTTP2Transport(c net.Conn) transport.ServerTransport {
if err != credentials.ErrConnDispatched {
// Don't log on ErrConnDispatched and io.EOF to prevent log spam.
if err != io.EOF {
channelz.Warning(logger, s.channelzID, "grpc: Server.Serve failed to create ServerTransport: ", err)
channelz.Info(logger, s.channelzID, "grpc: Server.Serve failed to create ServerTransport: ", err)
}
c.Close()
}
@@ -946,24 +989,24 @@ var _ http.Handler = (*Server)(nil)
// To share one port (such as 443 for https) between gRPC and an
// existing http.Handler, use a root http.Handler such as:
//
// if r.ProtoMajor == 2 && strings.HasPrefix(
// r.Header.Get("Content-Type"), "application/grpc") {
// grpcServer.ServeHTTP(w, r)
// } else {
// yourMux.ServeHTTP(w, r)
// }
// if r.ProtoMajor == 2 && strings.HasPrefix(
// r.Header.Get("Content-Type"), "application/grpc") {
// grpcServer.ServeHTTP(w, r)
// } else {
// yourMux.ServeHTTP(w, r)
// }
//
// Note that ServeHTTP uses Go's HTTP/2 server implementation which is totally
// separate from grpc-go's HTTP/2 server. Performance and features may vary
// between the two paths. ServeHTTP does not support some gRPC features
// available through grpc-go's HTTP/2 server.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
st, err := transport.NewServerHandlerTransport(w, r, s.opts.statsHandler)
st, err := transport.NewServerHandlerTransport(w, r, s.opts.statsHandlers)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
@@ -1076,8 +1119,10 @@ func (s *Server) sendResponse(t transport.ServerTransport, stream *transport.Str
return status.Errorf(codes.ResourceExhausted, "grpc: trying to send message larger than max (%d vs. %d)", len(payload), s.opts.maxSendMessageSize)
}
err = t.Write(stream, hdr, payload, opts)
if err == nil && s.opts.statsHandler != nil {
s.opts.statsHandler.HandleRPC(stream.Context(), outPayload(false, msg, data, payload, time.Now()))
if err == nil {
for _, sh := range s.opts.statsHandlers {
sh.HandleRPC(stream.Context(), outPayload(false, msg, data, payload, time.Now()))
}
}
return err
}
@@ -1124,13 +1169,13 @@ func chainUnaryInterceptors(interceptors []UnaryServerInterceptor) UnaryServerIn
}
func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) {
sh := s.opts.statsHandler
if sh != nil || trInfo != nil || channelz.IsOn() {
shs := s.opts.statsHandlers
if len(shs) != 0 || trInfo != nil || channelz.IsOn() {
if channelz.IsOn() {
s.incrCallsStarted()
}
var statsBegin *stats.Begin
if sh != nil {
for _, sh := range shs {
beginTime := time.Now()
statsBegin = &stats.Begin{
BeginTime: beginTime,
@@ -1161,7 +1206,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
trInfo.tr.Finish()
}
if sh != nil {
for _, sh := range shs {
end := &stats.End{
BeginTime: statsBegin.BeginTime,
EndTime: time.Now(),
@@ -1181,9 +1226,16 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
}
}()
}
binlog := binarylog.GetMethodLogger(stream.Method())
if binlog != nil {
var binlogs []binarylog.MethodLogger
if ml := binarylog.GetMethodLogger(stream.Method()); ml != nil {
binlogs = append(binlogs, ml)
}
if s.opts.binaryLogger != nil {
if ml := s.opts.binaryLogger.GetMethodLogger(stream.Method()); ml != nil {
binlogs = append(binlogs, ml)
}
}
if len(binlogs) != 0 {
ctx := stream.Context()
md, _ := metadata.FromIncomingContext(ctx)
logEntry := &binarylog.ClientHeader{
@@ -1203,7 +1255,9 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
if peer, ok := peer.FromContext(ctx); ok {
logEntry.PeerAddr = peer.Addr
}
binlog.Log(logEntry)
for _, binlog := range binlogs {
binlog.Log(logEntry)
}
}
// comp and cp are used for compression. decomp and dc are used for
@@ -1243,7 +1297,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
}
var payInfo *payloadInfo
if sh != nil || binlog != nil {
if len(shs) != 0 || len(binlogs) != 0 {
payInfo = &payloadInfo{}
}
d, err := recvAndDecompress(&parser{r: stream}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp)
@@ -1260,7 +1314,7 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
if err := s.getCodec(stream.ContentSubtype()).Unmarshal(d, v); err != nil {
return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err)
}
if sh != nil {
for _, sh := range shs {
sh.HandleRPC(stream.Context(), &stats.InPayload{
RecvTime: time.Now(),
Payload: v,
@@ -1269,10 +1323,13 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
Length: len(d),
})
}
if binlog != nil {
binlog.Log(&binarylog.ClientMessage{
if len(binlogs) != 0 {
cm := &binarylog.ClientMessage{
Message: d,
})
}
for _, binlog := range binlogs {
binlog.Log(cm)
}
}
if trInfo != nil {
trInfo.tr.LazyLog(&payload{sent: false, msg: v}, true)
@@ -1296,18 +1353,24 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
if e := t.WriteStatus(stream, appStatus); e != nil {
channelz.Warningf(logger, s.channelzID, "grpc: Server.processUnaryRPC failed to write status: %v", e)
}
if binlog != nil {
if len(binlogs) != 0 {
if h, _ := stream.Header(); h.Len() > 0 {
// Only log serverHeader if there was header. Otherwise it can
// be trailer only.
binlog.Log(&binarylog.ServerHeader{
sh := &binarylog.ServerHeader{
Header: h,
})
}
for _, binlog := range binlogs {
binlog.Log(sh)
}
}
binlog.Log(&binarylog.ServerTrailer{
st := &binarylog.ServerTrailer{
Trailer: stream.Trailer(),
Err: appErr,
})
}
for _, binlog := range binlogs {
binlog.Log(st)
}
}
return appErr
}
@@ -1333,26 +1396,34 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
panic(fmt.Sprintf("grpc: Unexpected error (%T) from sendResponse: %v", st, st))
}
}
if binlog != nil {
if len(binlogs) != 0 {
h, _ := stream.Header()
binlog.Log(&binarylog.ServerHeader{
sh := &binarylog.ServerHeader{
Header: h,
})
binlog.Log(&binarylog.ServerTrailer{
}
st := &binarylog.ServerTrailer{
Trailer: stream.Trailer(),
Err: appErr,
})
}
for _, binlog := range binlogs {
binlog.Log(sh)
binlog.Log(st)
}
}
return err
}
if binlog != nil {
if len(binlogs) != 0 {
h, _ := stream.Header()
binlog.Log(&binarylog.ServerHeader{
sh := &binarylog.ServerHeader{
Header: h,
})
binlog.Log(&binarylog.ServerMessage{
}
sm := &binarylog.ServerMessage{
Message: reply,
})
}
for _, binlog := range binlogs {
binlog.Log(sh)
binlog.Log(sm)
}
}
if channelz.IsOn() {
t.IncrMsgSent()
@@ -1364,11 +1435,14 @@ func (s *Server) processUnaryRPC(t transport.ServerTransport, stream *transport.
// Should the logging be in WriteStatus? Should we ignore the WriteStatus
// error or allow the stats handler to see it?
err = t.WriteStatus(stream, statusOK)
if binlog != nil {
binlog.Log(&binarylog.ServerTrailer{
if len(binlogs) != 0 {
st := &binarylog.ServerTrailer{
Trailer: stream.Trailer(),
Err: appErr,
})
}
for _, binlog := range binlogs {
binlog.Log(st)
}
}
return err
}
@@ -1418,16 +1492,18 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
if channelz.IsOn() {
s.incrCallsStarted()
}
sh := s.opts.statsHandler
shs := s.opts.statsHandlers
var statsBegin *stats.Begin
if sh != nil {
if len(shs) != 0 {
beginTime := time.Now()
statsBegin = &stats.Begin{
BeginTime: beginTime,
IsClientStream: sd.ClientStreams,
IsServerStream: sd.ServerStreams,
}
sh.HandleRPC(stream.Context(), statsBegin)
for _, sh := range shs {
sh.HandleRPC(stream.Context(), statsBegin)
}
}
ctx := NewContextWithServerTransportStream(stream.Context(), stream)
ss := &serverStream{
@@ -1439,10 +1515,10 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
maxReceiveMessageSize: s.opts.maxReceiveMessageSize,
maxSendMessageSize: s.opts.maxSendMessageSize,
trInfo: trInfo,
statsHandler: sh,
statsHandler: shs,
}
if sh != nil || trInfo != nil || channelz.IsOn() {
if len(shs) != 0 || trInfo != nil || channelz.IsOn() {
// See comment in processUnaryRPC on defers.
defer func() {
if trInfo != nil {
@@ -1456,7 +1532,7 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
ss.mu.Unlock()
}
if sh != nil {
if len(shs) != 0 {
end := &stats.End{
BeginTime: statsBegin.BeginTime,
EndTime: time.Now(),
@@ -1464,7 +1540,9 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
if err != nil && err != io.EOF {
end.Error = toRPCErr(err)
}
sh.HandleRPC(stream.Context(), end)
for _, sh := range shs {
sh.HandleRPC(stream.Context(), end)
}
}
if channelz.IsOn() {
@@ -1477,8 +1555,15 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
}()
}
ss.binlog = binarylog.GetMethodLogger(stream.Method())
if ss.binlog != nil {
if ml := binarylog.GetMethodLogger(stream.Method()); ml != nil {
ss.binlogs = append(ss.binlogs, ml)
}
if s.opts.binaryLogger != nil {
if ml := s.opts.binaryLogger.GetMethodLogger(stream.Method()); ml != nil {
ss.binlogs = append(ss.binlogs, ml)
}
}
if len(ss.binlogs) != 0 {
md, _ := metadata.FromIncomingContext(ctx)
logEntry := &binarylog.ClientHeader{
Header: md,
@@ -1497,7 +1582,9 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
if peer, ok := peer.FromContext(ss.Context()); ok {
logEntry.PeerAddr = peer.Addr
}
ss.binlog.Log(logEntry)
for _, binlog := range ss.binlogs {
binlog.Log(logEntry)
}
}
// If dc is set and matches the stream's compression, use it. Otherwise, try
@@ -1563,11 +1650,14 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
ss.mu.Unlock()
}
t.WriteStatus(ss.s, appStatus)
if ss.binlog != nil {
ss.binlog.Log(&binarylog.ServerTrailer{
if len(ss.binlogs) != 0 {
st := &binarylog.ServerTrailer{
Trailer: ss.s.Trailer(),
Err: appErr,
})
}
for _, binlog := range ss.binlogs {
binlog.Log(st)
}
}
// TODO: Should we log an error from WriteStatus here and below?
return appErr
@@ -1578,11 +1668,14 @@ func (s *Server) processStreamingRPC(t transport.ServerTransport, stream *transp
ss.mu.Unlock()
}
err = t.WriteStatus(ss.s, statusOK)
if ss.binlog != nil {
ss.binlog.Log(&binarylog.ServerTrailer{
if len(ss.binlogs) != 0 {
st := &binarylog.ServerTrailer{
Trailer: ss.s.Trailer(),
Err: appErr,
})
}
for _, binlog := range ss.binlogs {
binlog.Log(st)
}
}
return err
}
@@ -1658,7 +1751,7 @@ type streamKey struct{}
// NewContextWithServerTransportStream creates a new context from ctx and
// attaches stream to it.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -1673,7 +1766,7 @@ func NewContextWithServerTransportStream(ctx context.Context, stream ServerTrans
//
// See also NewContextWithServerTransportStream.
//
// Experimental
// # Experimental
//
// Notice: This type is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -1688,7 +1781,7 @@ type ServerTransportStream interface {
// ctx. Returns nil if the given context has no stream associated with it
// (which implies it is not an RPC invocation context).
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.
@@ -1809,12 +1902,12 @@ func (s *Server) getCodec(contentSubtype string) baseCodec {
// When called multiple times, all the provided metadata will be merged. All
// the metadata will be sent out when one of the following happens:
//
// - grpc.SendHeader is called, or for streaming handlers, stream.SendHeader.
// - The first response message is sent. For unary handlers, this occurs when
// the handler returns; for streaming handlers, this can happen when stream's
// SendMsg method is called.
// - An RPC status is sent out (error or success). This occurs when the handler
// returns.
// - grpc.SendHeader is called, or for streaming handlers, stream.SendHeader.
// - The first response message is sent. For unary handlers, this occurs when
// the handler returns; for streaming handlers, this can happen when stream's
// SendMsg method is called.
// - An RPC status is sent out (error or success). This occurs when the handler
// returns.
//
// SetHeader will fail if called after any of the events above.
//

7
vendor/google.golang.org/grpc/service_config.go generated vendored
View File

@@ -57,10 +57,9 @@ type lbConfig struct {
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;
// lbConfigs is preferred. If lbConfig and LB are both present, lbConfig
// will be used.
// LB is the load balancer the service providers recommends. This is
// deprecated; lbConfigs is preferred. If lbConfig and LB are both present,
// lbConfig will be used.
LB *string
// lbConfig is the service config's load balancing configuration. If

2
vendor/google.golang.org/grpc/serviceconfig/serviceconfig.go generated vendored
View File

@@ -19,7 +19,7 @@
// Package serviceconfig defines types and methods for operating on gRPC
// service configs.
//
// Experimental
// # Experimental
//
// Notice: This package is EXPERIMENTAL and may be changed or removed in a
// later release.

12
vendor/google.golang.org/grpc/status/status.go generated vendored
View File

@@ -76,14 +76,14 @@ func FromProto(s *spb.Status) *Status {
// FromError returns a Status representation of err.
//
// - If err was produced by this package or implements the method `GRPCStatus()
// *Status`, the appropriate Status is returned.
// - If err was produced by this package or implements the method `GRPCStatus()
// *Status`, the appropriate Status is returned.
//
// - If err is nil, a Status is returned with codes.OK and no message.
// - If err is nil, a Status is returned with codes.OK and no message.
//
// - Otherwise, err is an error not compatible with this package. In this
// case, a Status is returned with codes.Unknown and err's Error() message,
// and ok is false.
// - Otherwise, err is an error not compatible with this package. In this
// case, a Status is returned with codes.Unknown and err's Error() message,
// and ok is false.
func FromError(err error) (s *Status, ok bool) {
if err == nil {
return nil, true

225
vendor/google.golang.org/grpc/stream.go generated vendored
View File

@@ -39,6 +39,7 @@ import (
imetadata "google.golang.org/grpc/internal/metadata"
iresolver "google.golang.org/grpc/internal/resolver"
"google.golang.org/grpc/internal/serviceconfig"
istatus "google.golang.org/grpc/internal/status"
"google.golang.org/grpc/internal/transport"
"google.golang.org/grpc/metadata"
"google.golang.org/grpc/peer"
@@ -140,13 +141,13 @@ type ClientStream interface {
// To ensure resources are not leaked due to the stream returned, one of the following
// actions must be performed:
//
// 1. Call Close on the ClientConn.
// 2. Cancel the context provided.
// 3. Call RecvMsg until a non-nil error is returned. A protobuf-generated
// client-streaming RPC, for instance, might use the helper function
// CloseAndRecv (note that CloseSend does not Recv, therefore is not
// guaranteed to release all resources).
// 4. Receive a non-nil, non-io.EOF error from Header or SendMsg.
// 1. Call Close on the ClientConn.
// 2. Cancel the context provided.
// 3. Call RecvMsg until a non-nil error is returned. A protobuf-generated
// client-streaming RPC, for instance, might use the helper function
// CloseAndRecv (note that CloseSend does not Recv, therefore is not
// guaranteed to release all resources).
// 4. Receive a non-nil, non-io.EOF error from Header or SendMsg.
//
// If none of the above happen, a goroutine and a context will be leaked, and grpc
// will not call the optionally-configured stats handler with a stats.End message.
@@ -195,6 +196,13 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
rpcInfo := iresolver.RPCInfo{Context: ctx, Method: method}
rpcConfig, err := cc.safeConfigSelector.SelectConfig(rpcInfo)
if err != nil {
if st, ok := status.FromError(err); ok {
// Restrict the code to the list allowed by gRFC A54.
if istatus.IsRestrictedControlPlaneCode(st) {
err = status.Errorf(codes.Internal, "config selector returned illegal status: %v", err)
}
return nil, err
}
return nil, toRPCErr(err)
}
@@ -301,12 +309,13 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
if !cc.dopts.disableRetry {
cs.retryThrottler = cc.retryThrottler.Load().(*retryThrottler)
}
cs.binlog = binarylog.GetMethodLogger(method)
cs.attempt, err = cs.newAttemptLocked(false /* isTransparent */)
if err != nil {
cs.finish(err)
return nil, err
if ml := binarylog.GetMethodLogger(method); ml != nil {
cs.binlogs = append(cs.binlogs, ml)
}
if cc.dopts.binaryLogger != nil {
if ml := cc.dopts.binaryLogger.GetMethodLogger(method); ml != nil {
cs.binlogs = append(cs.binlogs, ml)
}
}
// Pick the transport to use and create a new stream on the transport.
@@ -328,7 +337,7 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
return nil, err
}
if cs.binlog != nil {
if len(cs.binlogs) != 0 {
md, _ := metadata.FromOutgoingContext(ctx)
logEntry := &binarylog.ClientHeader{
OnClientSide: true,
@@ -342,7 +351,9 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
logEntry.Timeout = 0
}
}
cs.binlog.Log(logEntry)
for _, binlog := range cs.binlogs {
binlog.Log(logEntry)
}
}
if desc != unaryStreamDesc {
@@ -374,9 +385,9 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.cp, cs.comp)
method := cs.callHdr.Method
sh := cs.cc.dopts.copts.StatsHandler
var beginTime time.Time
if sh != nil {
shs := cs.cc.dopts.copts.StatsHandlers
for _, sh := range shs {
ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: method, FailFast: cs.callInfo.failFast})
beginTime = time.Now()
begin := &stats.Begin{
@@ -414,12 +425,12 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
}
return &csAttempt{
ctx: ctx,
beginTime: beginTime,
cs: cs,
dc: cs.cc.dopts.dc,
statsHandler: sh,
trInfo: trInfo,
ctx: ctx,
beginTime: beginTime,
cs: cs,
dc: cs.cc.dopts.dc,
statsHandlers: shs,
trInfo: trInfo,
}, nil
}
@@ -486,7 +497,7 @@ type clientStream struct {
retryThrottler *retryThrottler // The throttler active when the RPC began.
binlog binarylog.MethodLogger // Binary logger, can be nil.
binlogs []binarylog.MethodLogger
// serverHeaderBinlogged is a boolean for whether server header has been
// logged. Server header will be logged when the first time one of those
// happens: stream.Header(), stream.Recv().
@@ -536,8 +547,8 @@ type csAttempt struct {
// and cleared when the finish method is called.
trInfo *traceInfo
statsHandler stats.Handler
beginTime time.Time
statsHandlers []stats.Handler
beginTime time.Time
// set for newStream errors that may be transparently retried
allowTransparentRetry bool
@@ -704,6 +715,18 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
// already be status errors.
return toRPCErr(op(cs.attempt))
}
if len(cs.buffer) == 0 {
// For the first op, which controls creation of the stream and
// assigns cs.attempt, we need to create a new attempt inline
// before executing the first op. On subsequent ops, the attempt
// is created immediately before replaying the ops.
var err error
if cs.attempt, err = cs.newAttemptLocked(false /* isTransparent */); err != nil {
cs.mu.Unlock()
cs.finish(err)
return err
}
}
a := cs.attempt
cs.mu.Unlock()
err := op(a)
@@ -729,17 +752,25 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
func (cs *clientStream) Header() (metadata.MD, error) {
var m metadata.MD
noHeader := false
err := cs.withRetry(func(a *csAttempt) error {
var err error
m, err = a.s.Header()
if err == transport.ErrNoHeaders {
noHeader = true
return nil
}
return toRPCErr(err)
}, cs.commitAttemptLocked)
if err != nil {
cs.finish(err)
return nil, err
}
if cs.binlog != nil && !cs.serverHeaderBinlogged {
// Only log if binary log is on and header has not been logged.
if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged && !noHeader {
// Only log if binary log is on and header has not been logged, and
// there is actually headers to log.
logEntry := &binarylog.ServerHeader{
OnClientSide: true,
Header: m,
@@ -748,8 +779,10 @@ func (cs *clientStream) Header() (metadata.MD, error) {
if peer, ok := peer.FromContext(cs.Context()); ok {
logEntry.PeerAddr = peer.Addr
}
cs.binlog.Log(logEntry)
cs.serverHeaderBinlogged = true
for _, binlog := range cs.binlogs {
binlog.Log(logEntry)
}
}
return m, nil
}
@@ -823,38 +856,44 @@ func (cs *clientStream) SendMsg(m interface{}) (err error) {
return a.sendMsg(m, hdr, payload, data)
}
err = cs.withRetry(op, func() { cs.bufferForRetryLocked(len(hdr)+len(payload), op) })
if cs.binlog != nil && err == nil {
cs.binlog.Log(&binarylog.ClientMessage{
if len(cs.binlogs) != 0 && err == nil {
cm := &binarylog.ClientMessage{
OnClientSide: true,
Message: data,
})
}
for _, binlog := range cs.binlogs {
binlog.Log(cm)
}
}
return err
}
func (cs *clientStream) RecvMsg(m interface{}) error {
if cs.binlog != nil && !cs.serverHeaderBinlogged {
if len(cs.binlogs) != 0 && !cs.serverHeaderBinlogged {
// Call Header() to binary log header if it's not already logged.
cs.Header()
}
var recvInfo *payloadInfo
if cs.binlog != nil {
if len(cs.binlogs) != 0 {
recvInfo = &payloadInfo{}
}
err := cs.withRetry(func(a *csAttempt) error {
return a.recvMsg(m, recvInfo)
}, cs.commitAttemptLocked)
if cs.binlog != nil && err == nil {
cs.binlog.Log(&binarylog.ServerMessage{
if len(cs.binlogs) != 0 && err == nil {
sm := &binarylog.ServerMessage{
OnClientSide: true,
Message: recvInfo.uncompressedBytes,
})
}
for _, binlog := range cs.binlogs {
binlog.Log(sm)
}
}
if err != nil || !cs.desc.ServerStreams {
// err != nil or non-server-streaming indicates end of stream.
cs.finish(err)
if cs.binlog != nil {
if len(cs.binlogs) != 0 {
// finish will not log Trailer. Log Trailer here.
logEntry := &binarylog.ServerTrailer{
OnClientSide: true,
@@ -867,7 +906,9 @@ func (cs *clientStream) RecvMsg(m interface{}) error {
if peer, ok := peer.FromContext(cs.Context()); ok {
logEntry.PeerAddr = peer.Addr
}
cs.binlog.Log(logEntry)
for _, binlog := range cs.binlogs {
binlog.Log(logEntry)
}
}
}
return err
@@ -888,10 +929,13 @@ func (cs *clientStream) CloseSend() error {
return nil
}
cs.withRetry(op, func() { cs.bufferForRetryLocked(0, op) })
if cs.binlog != nil {
cs.binlog.Log(&binarylog.ClientHalfClose{
if len(cs.binlogs) != 0 {
chc := &binarylog.ClientHalfClose{
OnClientSide: true,
})
}
for _, binlog := range cs.binlogs {
binlog.Log(chc)
}
}
// We never returned an error here for reasons.
return nil
@@ -924,10 +968,13 @@ func (cs *clientStream) finish(err error) {
//
// Only one of cancel or trailer needs to be logged. In the cases where
// users don't call RecvMsg, users must have already canceled the RPC.
if cs.binlog != nil && status.Code(err) == codes.Canceled {
cs.binlog.Log(&binarylog.Cancel{
if len(cs.binlogs) != 0 && status.Code(err) == codes.Canceled {
c := &binarylog.Cancel{
OnClientSide: true,
})
}
for _, binlog := range cs.binlogs {
binlog.Log(c)
}
}
if err == nil {
cs.retryThrottler.successfulRPC()
@@ -960,8 +1007,8 @@ func (a *csAttempt) sendMsg(m interface{}, hdr, payld, data []byte) error {
}
return io.EOF
}
if a.statsHandler != nil {
a.statsHandler.HandleRPC(a.ctx, outPayload(true, m, data, payld, time.Now()))
for _, sh := range a.statsHandlers {
sh.HandleRPC(a.ctx, outPayload(true, m, data, payld, time.Now()))
}
if channelz.IsOn() {
a.t.IncrMsgSent()
@@ -971,7 +1018,7 @@ func (a *csAttempt) sendMsg(m interface{}, hdr, payld, data []byte) error {
func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) {
cs := a.cs
if a.statsHandler != nil && payInfo == nil {
if len(a.statsHandlers) != 0 && payInfo == nil {
payInfo = &payloadInfo{}
}
@@ -999,6 +1046,7 @@ func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) {
}
return io.EOF // indicates successful end of stream.
}
return toRPCErr(err)
}
if a.trInfo != nil {
@@ -1008,8 +1056,8 @@ func (a *csAttempt) recvMsg(m interface{}, payInfo *payloadInfo) (err error) {
}
a.mu.Unlock()
}
if a.statsHandler != nil {
a.statsHandler.HandleRPC(a.ctx, &stats.InPayload{
for _, sh := range a.statsHandlers {
sh.HandleRPC(a.ctx, &stats.InPayload{
Client: true,
RecvTime: time.Now(),
Payload: m,
@@ -1068,7 +1116,7 @@ func (a *csAttempt) finish(err error) {
ServerLoad: balancerload.Parse(tr),
})
}
if a.statsHandler != nil {
for _, sh := range a.statsHandlers {
end := &stats.End{
Client: true,
BeginTime: a.beginTime,
@@ -1076,7 +1124,7 @@ func (a *csAttempt) finish(err error) {
Trailer: tr,
Error: err,
}
a.statsHandler.HandleRPC(a.ctx, end)
sh.HandleRPC(a.ctx, end)
}
if a.trInfo != nil && a.trInfo.tr != nil {
if err == nil {
@@ -1445,9 +1493,9 @@ type serverStream struct {
maxSendMessageSize int
trInfo *traceInfo
statsHandler stats.Handler
statsHandler []stats.Handler
binlog binarylog.MethodLogger
binlogs []binarylog.MethodLogger
// serverHeaderBinlogged indicates whether server header has been logged. It
// will happen when one of the following two happens: stream.SendHeader(),
// stream.Send().
@@ -1481,12 +1529,15 @@ func (ss *serverStream) SendHeader(md metadata.MD) error {
}
err = ss.t.WriteHeader(ss.s, md)
if ss.binlog != nil && !ss.serverHeaderBinlogged {
if len(ss.binlogs) != 0 && !ss.serverHeaderBinlogged {
h, _ := ss.s.Header()
ss.binlog.Log(&binarylog.ServerHeader{
sh := &binarylog.ServerHeader{
Header: h,
})
}
ss.serverHeaderBinlogged = true
for _, binlog := range ss.binlogs {
binlog.Log(sh)
}
}
return err
}
@@ -1543,20 +1594,28 @@ func (ss *serverStream) SendMsg(m interface{}) (err error) {
if err := ss.t.Write(ss.s, hdr, payload, &transport.Options{Last: false}); err != nil {
return toRPCErr(err)
}
if ss.binlog != nil {
if len(ss.binlogs) != 0 {
if !ss.serverHeaderBinlogged {
h, _ := ss.s.Header()
ss.binlog.Log(&binarylog.ServerHeader{
sh := &binarylog.ServerHeader{
Header: h,
})
}
ss.serverHeaderBinlogged = true
for _, binlog := range ss.binlogs {
binlog.Log(sh)
}
}
ss.binlog.Log(&binarylog.ServerMessage{
sm := &binarylog.ServerMessage{
Message: data,
})
}
for _, binlog := range ss.binlogs {
binlog.Log(sm)
}
}
if ss.statsHandler != nil {
ss.statsHandler.HandleRPC(ss.s.Context(), outPayload(false, m, data, payload, time.Now()))
if len(ss.statsHandler) != 0 {
for _, sh := range ss.statsHandler {
sh.HandleRPC(ss.s.Context(), outPayload(false, m, data, payload, time.Now()))
}
}
return nil
}
@@ -1590,13 +1649,16 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) {
}
}()
var payInfo *payloadInfo
if ss.statsHandler != nil || ss.binlog != nil {
if len(ss.statsHandler) != 0 || len(ss.binlogs) != 0 {
payInfo = &payloadInfo{}
}
if err := recv(ss.p, ss.codec, ss.s, ss.dc, m, ss.maxReceiveMessageSize, payInfo, ss.decomp); err != nil {
if err == io.EOF {
if ss.binlog != nil {
ss.binlog.Log(&binarylog.ClientHalfClose{})
if len(ss.binlogs) != 0 {
chc := &binarylog.ClientHalfClose{}
for _, binlog := range ss.binlogs {
binlog.Log(chc)
}
}
return err
}
@@ -1605,20 +1667,25 @@ func (ss *serverStream) RecvMsg(m interface{}) (err error) {
}
return toRPCErr(err)
}
if ss.statsHandler != nil {
ss.statsHandler.HandleRPC(ss.s.Context(), &stats.InPayload{
RecvTime: time.Now(),
Payload: m,
// TODO truncate large payload.
Data: payInfo.uncompressedBytes,
WireLength: payInfo.wireLength + headerLen,
Length: len(payInfo.uncompressedBytes),
})
if len(ss.statsHandler) != 0 {
for _, sh := range ss.statsHandler {
sh.HandleRPC(ss.s.Context(), &stats.InPayload{
RecvTime: time.Now(),
Payload: m,
// TODO truncate large payload.
Data: payInfo.uncompressedBytes,
WireLength: payInfo.wireLength + headerLen,
Length: len(payInfo.uncompressedBytes),
})
}
}
if ss.binlog != nil {
ss.binlog.Log(&binarylog.ClientMessage{
if len(ss.binlogs) != 0 {
cm := &binarylog.ClientMessage{
Message: payInfo.uncompressedBytes,
})
}
for _, binlog := range ss.binlogs {
binlog.Log(cm)
}
}
return nil
}

2
vendor/google.golang.org/grpc/tap/tap.go generated vendored
View File

@@ -19,7 +19,7 @@
// Package tap defines the function handles which are executed on the transport
// layer of gRPC-Go and related information.
//
// Experimental
// # Experimental
//
// Notice: This API is EXPERIMENTAL and may be changed or removed in a
// later release.

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 = "1.47.0"
const Version = "1.51.0"

7
vendor/google.golang.org/grpc/vet.sh generated vendored
View File

@@ -67,7 +67,9 @@ elif [[ "$#" -ne 0 ]]; then
fi
# - Ensure all source files contain a copyright message.
not git grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)\|DO NOT EDIT" -- '*.go'
# (Done in two parts because Darwin "git grep" has broken support for compound
# exclusion matches.)
(grep -L "DO NOT EDIT" $(git grep -L "\(Copyright [0-9]\{4,\} gRPC authors\)" -- '*.go') || true) | fail_on_output
# - Make sure all tests in grpc and grpc/test use leakcheck via Teardown.
not grep 'func Test[^(]' *_test.go
@@ -81,7 +83,7 @@ not git grep -l 'x/net/context' -- "*.go"
git grep -l '"math/rand"' -- "*.go" 2>&1 | not grep -v '^examples\|^stress\|grpcrand\|^benchmark\|wrr_test'
# - Do not call grpclog directly. Use grpclog.Component instead.
git grep -l 'grpclog.I\|grpclog.W\|grpclog.E\|grpclog.F\|grpclog.V' -- "*.go" | not grep -v '^grpclog/component.go\|^internal/grpctest/tlogger_test.go'
git grep -l -e 'grpclog.I' --or -e 'grpclog.W' --or -e 'grpclog.E' --or -e 'grpclog.F' --or -e 'grpclog.V' -- "*.go" | not grep -v '^grpclog/component.go\|^internal/grpctest/tlogger_test.go'
# - Ensure all ptypes proto packages are renamed when importing.
not git grep "\(import \|^\s*\)\"github.com/golang/protobuf/ptypes/" -- "*.go"
@@ -147,7 +149,6 @@ grpc.NewGZIPDecompressor
grpc.RPCCompressor
grpc.RPCDecompressor
grpc.ServiceConfig
grpc.WithBalancerName
grpc.WithCompressor
grpc.WithDecompressor
grpc.WithDialer