diff options
Diffstat (limited to 'vendor/google.golang.org/grpc')
63 files changed, 2495 insertions, 1213 deletions
diff --git a/vendor/google.golang.org/grpc/CONTRIBUTING.md b/vendor/google.golang.org/grpc/CONTRIBUTING.md index 0854d298e..d9bfa6e1e 100644 --- a/vendor/google.golang.org/grpc/CONTRIBUTING.md +++ b/vendor/google.golang.org/grpc/CONTRIBUTING.md @@ -4,7 +4,7 @@ We definitely welcome your patches and contributions to gRPC! Please read the gR organization's [governance rules](https://github.com/grpc/grpc-community/blob/master/governance.md) and [contribution guidelines](https://github.com/grpc/grpc-community/blob/master/CONTRIBUTING.md) before proceeding. -If you are new to github, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/) +If you are new to GitHub, please start by reading [Pull Request howto](https://help.github.com/articles/about-pull-requests/) ## Legal requirements @@ -25,8 +25,8 @@ How to get your contributions merged smoothly and quickly. is a great place to start. These issues are well-documented and usually can be resolved with a single pull request. -- If you are adding a new file, make sure it has the copyright message template - at the top as a comment. You can copy over the message from an existing file +- If you are adding a new file, make sure it has the copyright message template + at the top as a comment. You can copy over the message from an existing file and update the year. - The grpc package should only depend on standard Go packages and a small number @@ -39,12 +39,12 @@ How to get your contributions merged smoothly and quickly. proposal](https://github.com/grpc/proposal). - Provide a good **PR description** as a record of **what** change is being made - and **why** it was made. Link to a github issue if it exists. + and **why** it was made. Link to a GitHub issue if it exists. -- If you want to fix formatting or style, consider whether your changes are an - obvious improvement or might be considered a personal preference. If a style - change is based on preference, it likely will not be accepted. If it corrects - widely agreed-upon anti-patterns, then please do create a PR and explain the +- If you want to fix formatting or style, consider whether your changes are an + obvious improvement or might be considered a personal preference. If a style + change is based on preference, it likely will not be accepted. If it corrects + widely agreed-upon anti-patterns, then please do create a PR and explain the benefits of the change. - Unless your PR is trivial, you should expect there will be reviewer comments diff --git a/vendor/google.golang.org/grpc/balancer/balancer.go b/vendor/google.golang.org/grpc/balancer/balancer.go index b181f386a..382ad6941 100644 --- a/vendor/google.golang.org/grpc/balancer/balancer.go +++ b/vendor/google.golang.org/grpc/balancer/balancer.go @@ -73,17 +73,6 @@ func unregisterForTesting(name string) { delete(m, name) } -// connectedAddress returns the connected address for a SubConnState. The -// address is only valid if the state is READY. -func connectedAddress(scs SubConnState) resolver.Address { - return scs.connectedAddress -} - -// setConnectedAddress sets the connected address for a SubConnState. -func setConnectedAddress(scs *SubConnState, addr resolver.Address) { - scs.connectedAddress = addr -} - func init() { internal.BalancerUnregister = unregisterForTesting internal.ConnectedAddress = connectedAddress @@ -106,54 +95,6 @@ func Get(name string) Builder { return nil } -// A SubConn represents a single connection to a gRPC backend service. -// -// Each SubConn contains a list of addresses. -// -// All SubConns start in IDLE, and will not try to connect. To trigger the -// connecting, Balancers must call Connect. If a connection re-enters IDLE, -// Balancers must call Connect again to trigger a new connection attempt. -// -// gRPC will try to connect to the addresses in sequence, and stop trying the -// remainder once the first connection is successful. If an attempt to connect -// to all addresses encounters an error, the SubConn will enter -// TRANSIENT_FAILURE for a backoff period, and then transition to IDLE. -// -// Once established, if a connection is lost, the SubConn will transition -// directly to IDLE. -// -// This interface is to be implemented by gRPC. Users should not need their own -// implementation of this interface. For situations like testing, any -// implementations should embed this interface. This allows gRPC to add new -// methods to this interface. -type SubConn interface { - // UpdateAddresses updates the addresses used in this SubConn. - // gRPC checks if currently-connected address is still in the new list. - // If it's in the list, the connection will be kept. - // If it's not in the list, the connection will gracefully closed, and - // a new connection will be created. - // - // This will trigger a state transition for the SubConn. - // - // Deprecated: this method will be removed. Create new SubConns for new - // addresses instead. - 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()) - // Shutdown shuts down the SubConn gracefully. Any started RPCs will be - // allowed to complete. No future calls should be made on the SubConn. - // One final state update will be delivered to the StateListener (or - // UpdateSubConnState; deprecated) with ConnectivityState of Shutdown to - // indicate the shutdown operation. This may be delivered before - // in-progress RPCs are complete and the actual connection is closed. - Shutdown() -} - // NewSubConnOptions contains options to create new SubConn. type NewSubConnOptions struct { // CredsBundle is the credentials bundle that will be used in the created @@ -421,18 +362,6 @@ type ExitIdler interface { ExitIdle() } -// SubConnState describes the state of a SubConn. -type SubConnState struct { - // ConnectivityState is the connectivity state of the SubConn. - ConnectivityState connectivity.State - // ConnectionError is set if the ConnectivityState is TransientFailure, - // describing the reason the SubConn failed. Otherwise, it is nil. - ConnectionError error - // connectedAddr contains the connected address when ConnectivityState is - // Ready. Otherwise, it is indeterminate. - connectedAddress resolver.Address -} - // ClientConnState describes the state of a ClientConn relevant to the // balancer. type ClientConnState struct { @@ -445,20 +374,3 @@ type ClientConnState struct { // ErrBadResolverState may be returned by UpdateClientConnState to indicate a // problem with the provided name resolver data. var ErrBadResolverState = errors.New("bad resolver 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 `any` 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 any) (p Producer, close func()) -} - -// 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 any diff --git a/vendor/google.golang.org/grpc/balancer/base/balancer.go b/vendor/google.golang.org/grpc/balancer/base/balancer.go index a7f1eeec8..d5ed172ae 100644 --- a/vendor/google.golang.org/grpc/balancer/base/balancer.go +++ b/vendor/google.golang.org/grpc/balancer/base/balancer.go @@ -36,7 +36,7 @@ type baseBuilder struct { config Config } -func (bb *baseBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer { +func (bb *baseBuilder) Build(cc balancer.ClientConn, _ balancer.BuildOptions) balancer.Balancer { bal := &baseBalancer{ cc: cc, pickerBuilder: bb.pickerBuilder, @@ -133,7 +133,7 @@ func (b *baseBalancer) UpdateClientConnState(s balancer.ClientConnState) error { } } // If resolver state contains no addresses, return an error so ClientConn - // will trigger re-resolve. Also records this as an resolver error, so when + // will trigger re-resolve. Also records this as a resolver error, so when // the overall state turns transient failure, the error message will have // the zero address information. if len(s.ResolverState.Addresses) == 0 { @@ -259,6 +259,6 @@ type errPicker struct { err error // Pick() always returns this err. } -func (p *errPicker) Pick(info balancer.PickInfo) (balancer.PickResult, error) { +func (p *errPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) { return balancer.PickResult{}, p.err } diff --git a/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go b/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go new file mode 100644 index 000000000..7d66cb491 --- /dev/null +++ b/vendor/google.golang.org/grpc/balancer/pickfirst/internal/internal.go @@ -0,0 +1,35 @@ +/* + * Copyright 2024 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 internal contains code internal to the pickfirst package. +package internal + +import ( + rand "math/rand/v2" + "time" +) + +var ( + // RandShuffle pseudo-randomizes the order of addresses. + RandShuffle = rand.Shuffle + // TimeAfterFunc allows mocking the timer for testing connection delay + // related functionality. + TimeAfterFunc = func(d time.Duration, f func()) func() { + timer := time.AfterFunc(d, f) + return func() { timer.Stop() } + } +) diff --git a/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go index 5b592f48a..ea8899818 100644 --- a/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go +++ b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirst.go @@ -23,21 +23,26 @@ import ( "encoding/json" "errors" "fmt" - "math/rand" + rand "math/rand/v2" "google.golang.org/grpc/balancer" + "google.golang.org/grpc/balancer/pickfirst/internal" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/grpclog" - "google.golang.org/grpc/internal" + "google.golang.org/grpc/internal/envconfig" internalgrpclog "google.golang.org/grpc/internal/grpclog" "google.golang.org/grpc/internal/pretty" "google.golang.org/grpc/resolver" "google.golang.org/grpc/serviceconfig" + + _ "google.golang.org/grpc/balancer/pickfirst/pickfirstleaf" // For automatically registering the new pickfirst if required. ) func init() { + if envconfig.NewPickFirstEnabled { + return + } balancer.Register(pickfirstBuilder{}) - internal.ShuffleAddressListForTesting = func(n int, swap func(i, j int)) { rand.Shuffle(n, swap) } } var logger = grpclog.Component("pick-first-lb") @@ -50,7 +55,7 @@ const ( type pickfirstBuilder struct{} -func (pickfirstBuilder) Build(cc balancer.ClientConn, opt balancer.BuildOptions) balancer.Balancer { +func (pickfirstBuilder) Build(cc balancer.ClientConn, _ balancer.BuildOptions) balancer.Balancer { b := &pickfirstBalancer{cc: cc} b.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(logPrefix, b)) return b @@ -103,10 +108,13 @@ func (b *pickfirstBalancer) ResolverError(err error) { }) } +// Shuffler is an interface for shuffling an address list. type Shuffler interface { ShuffleAddressListForTesting(n int, swap func(i, j int)) } +// ShuffleAddressListForTesting pseudo-randomizes the order of addresses. n +// is the number of elements. swap swaps the elements with indexes i and j. func ShuffleAddressListForTesting(n int, swap func(i, j int)) { rand.Shuffle(n, swap) } func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState) error { @@ -140,7 +148,7 @@ func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState // within each endpoint. - A61 if cfg.ShuffleAddressList { endpoints = append([]resolver.Endpoint{}, endpoints...) - internal.ShuffleAddressListForTesting.(func(int, func(int, int)))(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] }) + internal.RandShuffle(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] }) } // "Flatten the list by concatenating the ordered list of addresses for each diff --git a/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirstleaf/pickfirstleaf.go b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirstleaf/pickfirstleaf.go new file mode 100644 index 000000000..2fc0a71f9 --- /dev/null +++ b/vendor/google.golang.org/grpc/balancer/pickfirst/pickfirstleaf/pickfirstleaf.go @@ -0,0 +1,911 @@ +/* + * + * Copyright 2024 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 pickfirstleaf contains the pick_first load balancing policy which +// will be the universal leaf policy after dualstack changes are implemented. +// +// # Experimental +// +// Notice: This package is EXPERIMENTAL and may be changed or removed in a +// later release. +package pickfirstleaf + +import ( + "encoding/json" + "errors" + "fmt" + "net" + "net/netip" + "sync" + "time" + + "google.golang.org/grpc/balancer" + "google.golang.org/grpc/balancer/pickfirst/internal" + "google.golang.org/grpc/connectivity" + expstats "google.golang.org/grpc/experimental/stats" + "google.golang.org/grpc/grpclog" + "google.golang.org/grpc/internal/envconfig" + internalgrpclog "google.golang.org/grpc/internal/grpclog" + "google.golang.org/grpc/internal/pretty" + "google.golang.org/grpc/resolver" + "google.golang.org/grpc/serviceconfig" +) + +func init() { + if envconfig.NewPickFirstEnabled { + // Register as the default pick_first balancer. + Name = "pick_first" + } + balancer.Register(pickfirstBuilder{}) +} + +// enableHealthListenerKeyType is a unique key type used in resolver attributes +// to indicate whether the health listener usage is enabled. +type enableHealthListenerKeyType struct{} + +var ( + logger = grpclog.Component("pick-first-leaf-lb") + // Name is the name of the pick_first_leaf balancer. + // It is changed to "pick_first" in init() if this balancer is to be + // registered as the default pickfirst. + Name = "pick_first_leaf" + disconnectionsMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{ + Name: "grpc.lb.pick_first.disconnections", + Description: "EXPERIMENTAL. Number of times the selected subchannel becomes disconnected.", + Unit: "disconnection", + Labels: []string{"grpc.target"}, + Default: false, + }) + connectionAttemptsSucceededMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{ + Name: "grpc.lb.pick_first.connection_attempts_succeeded", + Description: "EXPERIMENTAL. Number of successful connection attempts.", + Unit: "attempt", + Labels: []string{"grpc.target"}, + Default: false, + }) + connectionAttemptsFailedMetric = expstats.RegisterInt64Count(expstats.MetricDescriptor{ + Name: "grpc.lb.pick_first.connection_attempts_failed", + Description: "EXPERIMENTAL. Number of failed connection attempts.", + Unit: "attempt", + Labels: []string{"grpc.target"}, + Default: false, + }) +) + +const ( + // TODO: change to pick-first when this becomes the default pick_first policy. + logPrefix = "[pick-first-leaf-lb %p] " + // connectionDelayInterval is the time to wait for during the happy eyeballs + // pass before starting the next connection attempt. + connectionDelayInterval = 250 * time.Millisecond +) + +type ipAddrFamily int + +const ( + // ipAddrFamilyUnknown represents strings that can't be parsed as an IP + // address. + ipAddrFamilyUnknown ipAddrFamily = iota + ipAddrFamilyV4 + ipAddrFamilyV6 +) + +type pickfirstBuilder struct{} + +func (pickfirstBuilder) Build(cc balancer.ClientConn, bo balancer.BuildOptions) balancer.Balancer { + b := &pickfirstBalancer{ + cc: cc, + target: bo.Target.String(), + metricsRecorder: bo.MetricsRecorder, // ClientConn will always create a Metrics Recorder. + + subConns: resolver.NewAddressMap(), + state: connectivity.Connecting, + cancelConnectionTimer: func() {}, + } + b.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf(logPrefix, b)) + return b +} + +func (b pickfirstBuilder) Name() string { + return Name +} + +func (pickfirstBuilder) ParseConfig(js json.RawMessage) (serviceconfig.LoadBalancingConfig, error) { + var cfg pfConfig + if err := json.Unmarshal(js, &cfg); err != nil { + return nil, fmt.Errorf("pickfirst: unable to unmarshal LB policy config: %s, error: %v", string(js), err) + } + return cfg, nil +} + +// EnableHealthListener updates the state to configure pickfirst for using a +// generic health listener. +func EnableHealthListener(state resolver.State) resolver.State { + state.Attributes = state.Attributes.WithValue(enableHealthListenerKeyType{}, true) + return state +} + +type pfConfig struct { + serviceconfig.LoadBalancingConfig `json:"-"` + + // If set to true, instructs the LB policy to shuffle the order of the list + // of endpoints received from the name resolver before attempting to + // connect to them. + ShuffleAddressList bool `json:"shuffleAddressList"` +} + +// scData keeps track of the current state of the subConn. +// It is not safe for concurrent access. +type scData struct { + // The following fields are initialized at build time and read-only after + // that. + subConn balancer.SubConn + addr resolver.Address + + rawConnectivityState connectivity.State + // The effective connectivity state based on raw connectivity, health state + // and after following sticky TransientFailure behaviour defined in A62. + effectiveState connectivity.State + lastErr error + connectionFailedInFirstPass bool +} + +func (b *pickfirstBalancer) newSCData(addr resolver.Address) (*scData, error) { + sd := &scData{ + rawConnectivityState: connectivity.Idle, + effectiveState: connectivity.Idle, + addr: addr, + } + sc, err := b.cc.NewSubConn([]resolver.Address{addr}, balancer.NewSubConnOptions{ + StateListener: func(state balancer.SubConnState) { + b.updateSubConnState(sd, state) + }, + }) + if err != nil { + return nil, err + } + sd.subConn = sc + return sd, nil +} + +type pickfirstBalancer struct { + // The following fields are initialized at build time and read-only after + // that and therefore do not need to be guarded by a mutex. + logger *internalgrpclog.PrefixLogger + cc balancer.ClientConn + target string + metricsRecorder expstats.MetricsRecorder // guaranteed to be non nil + + // The mutex is used to ensure synchronization of updates triggered + // from the idle picker and the already serialized resolver, + // SubConn state updates. + mu sync.Mutex + // State reported to the channel based on SubConn states and resolver + // updates. + state connectivity.State + // scData for active subonns mapped by address. + subConns *resolver.AddressMap + addressList addressList + firstPass bool + numTF int + cancelConnectionTimer func() + healthCheckingEnabled bool +} + +// ResolverError is called by the ClientConn when the name resolver produces +// an error or when pickfirst determined the resolver update to be invalid. +func (b *pickfirstBalancer) ResolverError(err error) { + b.mu.Lock() + defer b.mu.Unlock() + b.resolverErrorLocked(err) +} + +func (b *pickfirstBalancer) resolverErrorLocked(err error) { + if b.logger.V(2) { + b.logger.Infof("Received error from the name resolver: %v", err) + } + + // The picker will not change since the balancer does not currently + // report an error. If the balancer hasn't received a single good resolver + // update yet, transition to TRANSIENT_FAILURE. + if b.state != connectivity.TransientFailure && b.addressList.size() > 0 { + if b.logger.V(2) { + b.logger.Infof("Ignoring resolver error because balancer is using a previous good update.") + } + return + } + + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.TransientFailure, + Picker: &picker{err: fmt.Errorf("name resolver error: %v", err)}, + }) +} + +func (b *pickfirstBalancer) UpdateClientConnState(state balancer.ClientConnState) error { + b.mu.Lock() + defer b.mu.Unlock() + b.cancelConnectionTimer() + if len(state.ResolverState.Addresses) == 0 && len(state.ResolverState.Endpoints) == 0 { + // Cleanup state pertaining to the previous resolver state. + // Treat an empty address list like an error by calling b.ResolverError. + b.closeSubConnsLocked() + b.addressList.updateAddrs(nil) + b.resolverErrorLocked(errors.New("produced zero addresses")) + return balancer.ErrBadResolverState + } + b.healthCheckingEnabled = state.ResolverState.Attributes.Value(enableHealthListenerKeyType{}) != nil + cfg, ok := state.BalancerConfig.(pfConfig) + if state.BalancerConfig != nil && !ok { + return fmt.Errorf("pickfirst: received illegal BalancerConfig (type %T): %v: %w", state.BalancerConfig, state.BalancerConfig, balancer.ErrBadResolverState) + } + + if b.logger.V(2) { + b.logger.Infof("Received new config %s, resolver state %s", pretty.ToJSON(cfg), pretty.ToJSON(state.ResolverState)) + } + + var newAddrs []resolver.Address + if endpoints := state.ResolverState.Endpoints; len(endpoints) != 0 { + // Perform the optional shuffling described in gRFC A62. The shuffling + // will change the order of endpoints but not touch the order of the + // addresses within each endpoint. - A61 + if cfg.ShuffleAddressList { + endpoints = append([]resolver.Endpoint{}, endpoints...) + internal.RandShuffle(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] }) + } + + // "Flatten the list by concatenating the ordered list of addresses for + // each of the endpoints, in order." - A61 + for _, endpoint := range endpoints { + newAddrs = append(newAddrs, endpoint.Addresses...) + } + } else { + // Endpoints not set, process addresses until we migrate resolver + // emissions fully to Endpoints. The top channel does wrap emitted + // addresses with endpoints, however some balancers such as weighted + // target do not forward the corresponding correct endpoints down/split + // endpoints properly. Once all balancers correctly forward endpoints + // down, can delete this else conditional. + newAddrs = state.ResolverState.Addresses + if cfg.ShuffleAddressList { + newAddrs = append([]resolver.Address{}, newAddrs...) + internal.RandShuffle(len(endpoints), func(i, j int) { endpoints[i], endpoints[j] = endpoints[j], endpoints[i] }) + } + } + + // If an address appears in multiple endpoints or in the same endpoint + // multiple times, we keep it only once. We will create only one SubConn + // for the address because an AddressMap is used to store SubConns. + // Not de-duplicating would result in attempting to connect to the same + // SubConn multiple times in the same pass. We don't want this. + newAddrs = deDupAddresses(newAddrs) + newAddrs = interleaveAddresses(newAddrs) + + prevAddr := b.addressList.currentAddress() + prevSCData, found := b.subConns.Get(prevAddr) + prevAddrsCount := b.addressList.size() + isPrevRawConnectivityStateReady := found && prevSCData.(*scData).rawConnectivityState == connectivity.Ready + b.addressList.updateAddrs(newAddrs) + + // If the previous ready SubConn exists in new address list, + // keep this connection and don't create new SubConns. + if isPrevRawConnectivityStateReady && b.addressList.seekTo(prevAddr) { + return nil + } + + b.reconcileSubConnsLocked(newAddrs) + // If it's the first resolver update or the balancer was already READY + // (but the new address list does not contain the ready SubConn) or + // CONNECTING, enter CONNECTING. + // We may be in TRANSIENT_FAILURE due to a previous empty address list, + // we should still enter CONNECTING because the sticky TF behaviour + // mentioned in A62 applies only when the TRANSIENT_FAILURE is reported + // due to connectivity failures. + if isPrevRawConnectivityStateReady || b.state == connectivity.Connecting || prevAddrsCount == 0 { + // Start connection attempt at first address. + b.forceUpdateConcludedStateLocked(balancer.State{ + ConnectivityState: connectivity.Connecting, + Picker: &picker{err: balancer.ErrNoSubConnAvailable}, + }) + b.startFirstPassLocked() + } else if b.state == connectivity.TransientFailure { + // If we're in TRANSIENT_FAILURE, we stay in TRANSIENT_FAILURE until + // we're READY. See A62. + b.startFirstPassLocked() + } + return nil +} + +// UpdateSubConnState is unused as a StateListener is always registered when +// creating SubConns. +func (b *pickfirstBalancer) UpdateSubConnState(subConn balancer.SubConn, state balancer.SubConnState) { + b.logger.Errorf("UpdateSubConnState(%v, %+v) called unexpectedly", subConn, state) +} + +func (b *pickfirstBalancer) Close() { + b.mu.Lock() + defer b.mu.Unlock() + b.closeSubConnsLocked() + b.cancelConnectionTimer() + b.state = connectivity.Shutdown +} + +// ExitIdle moves the balancer out of idle state. It can be called concurrently +// by the idlePicker and clientConn so access to variables should be +// synchronized. +func (b *pickfirstBalancer) ExitIdle() { + b.mu.Lock() + defer b.mu.Unlock() + if b.state == connectivity.Idle { + b.startFirstPassLocked() + } +} + +func (b *pickfirstBalancer) startFirstPassLocked() { + b.firstPass = true + b.numTF = 0 + // Reset the connection attempt record for existing SubConns. + for _, sd := range b.subConns.Values() { + sd.(*scData).connectionFailedInFirstPass = false + } + b.requestConnectionLocked() +} + +func (b *pickfirstBalancer) closeSubConnsLocked() { + for _, sd := range b.subConns.Values() { + sd.(*scData).subConn.Shutdown() + } + b.subConns = resolver.NewAddressMap() +} + +// deDupAddresses ensures that each address appears only once in the slice. +func deDupAddresses(addrs []resolver.Address) []resolver.Address { + seenAddrs := resolver.NewAddressMap() + retAddrs := []resolver.Address{} + + for _, addr := range addrs { + if _, ok := seenAddrs.Get(addr); ok { + continue + } + retAddrs = append(retAddrs, addr) + } + return retAddrs +} + +// interleaveAddresses interleaves addresses of both families (IPv4 and IPv6) +// as per RFC-8305 section 4. +// Whichever address family is first in the list is followed by an address of +// the other address family; that is, if the first address in the list is IPv6, +// then the first IPv4 address should be moved up in the list to be second in +// the list. It doesn't support configuring "First Address Family Count", i.e. +// there will always be a single member of the first address family at the +// beginning of the interleaved list. +// Addresses that are neither IPv4 nor IPv6 are treated as part of a third +// "unknown" family for interleaving. +// See: https://datatracker.ietf.org/doc/html/rfc8305#autoid-6 +func interleaveAddresses(addrs []resolver.Address) []resolver.Address { + familyAddrsMap := map[ipAddrFamily][]resolver.Address{} + interleavingOrder := []ipAddrFamily{} + for _, addr := range addrs { + family := addressFamily(addr.Addr) + if _, found := familyAddrsMap[family]; !found { + interleavingOrder = append(interleavingOrder, family) + } + familyAddrsMap[family] = append(familyAddrsMap[family], addr) + } + + interleavedAddrs := make([]resolver.Address, 0, len(addrs)) + + for curFamilyIdx := 0; len(interleavedAddrs) < len(addrs); curFamilyIdx = (curFamilyIdx + 1) % len(interleavingOrder) { + // Some IP types may have fewer addresses than others, so we look for + // the next type that has a remaining member to add to the interleaved + // list. + family := interleavingOrder[curFamilyIdx] + remainingMembers := familyAddrsMap[family] + if len(remainingMembers) > 0 { + interleavedAddrs = append(interleavedAddrs, remainingMembers[0]) + familyAddrsMap[family] = remainingMembers[1:] + } + } + + return interleavedAddrs +} + +// addressFamily returns the ipAddrFamily after parsing the address string. +// If the address isn't of the format "ip-address:port", it returns +// ipAddrFamilyUnknown. The address may be valid even if it's not an IP when +// using a resolver like passthrough where the address may be a hostname in +// some format that the dialer can resolve. +func addressFamily(address string) ipAddrFamily { + // Parse the IP after removing the port. + host, _, err := net.SplitHostPort(address) + if err != nil { + return ipAddrFamilyUnknown + } + ip, err := netip.ParseAddr(host) + if err != nil { + return ipAddrFamilyUnknown + } + switch { + case ip.Is4() || ip.Is4In6(): + return ipAddrFamilyV4 + case ip.Is6(): + return ipAddrFamilyV6 + default: + return ipAddrFamilyUnknown + } +} + +// reconcileSubConnsLocked updates the active subchannels based on a new address +// list from the resolver. It does this by: +// - closing subchannels: any existing subchannels associated with addresses +// that are no longer in the updated list are shut down. +// - removing subchannels: entries for these closed subchannels are removed +// from the subchannel map. +// +// This ensures that the subchannel map accurately reflects the current set of +// addresses received from the name resolver. +func (b *pickfirstBalancer) reconcileSubConnsLocked(newAddrs []resolver.Address) { + newAddrsMap := resolver.NewAddressMap() + for _, addr := range newAddrs { + newAddrsMap.Set(addr, true) + } + + for _, oldAddr := range b.subConns.Keys() { + if _, ok := newAddrsMap.Get(oldAddr); ok { + continue + } + val, _ := b.subConns.Get(oldAddr) + val.(*scData).subConn.Shutdown() + b.subConns.Delete(oldAddr) + } +} + +// shutdownRemainingLocked shuts down remaining subConns. Called when a subConn +// becomes ready, which means that all other subConn must be shutdown. +func (b *pickfirstBalancer) shutdownRemainingLocked(selected *scData) { + b.cancelConnectionTimer() + for _, v := range b.subConns.Values() { + sd := v.(*scData) + if sd.subConn != selected.subConn { + sd.subConn.Shutdown() + } + } + b.subConns = resolver.NewAddressMap() + b.subConns.Set(selected.addr, selected) +} + +// requestConnectionLocked starts connecting on the subchannel corresponding to +// the current address. If no subchannel exists, one is created. If the current +// subchannel is in TransientFailure, a connection to the next address is +// attempted until a subchannel is found. +func (b *pickfirstBalancer) requestConnectionLocked() { + if !b.addressList.isValid() { + return + } + var lastErr error + for valid := true; valid; valid = b.addressList.increment() { + curAddr := b.addressList.currentAddress() + sd, ok := b.subConns.Get(curAddr) + if !ok { + var err error + // We want to assign the new scData to sd from the outer scope, + // hence we can't use := below. + sd, err = b.newSCData(curAddr) + if err != nil { + // This should never happen, unless the clientConn is being shut + // down. + if b.logger.V(2) { + b.logger.Infof("Failed to create a subConn for address %v: %v", curAddr.String(), err) + } + // Do nothing, the LB policy will be closed soon. + return + } + b.subConns.Set(curAddr, sd) + } + + scd := sd.(*scData) + switch scd.rawConnectivityState { + case connectivity.Idle: + scd.subConn.Connect() + b.scheduleNextConnectionLocked() + return + case connectivity.TransientFailure: + // The SubConn is being re-used and failed during a previous pass + // over the addressList. It has not completed backoff yet. + // Mark it as having failed and try the next address. + scd.connectionFailedInFirstPass = true + lastErr = scd.lastErr + continue + case connectivity.Connecting: + // Wait for the connection attempt to complete or the timer to fire + // before attempting the next address. + b.scheduleNextConnectionLocked() + return + default: + b.logger.Errorf("SubConn with unexpected state %v present in SubConns map.", scd.rawConnectivityState) + return + + } + } + + // All the remaining addresses in the list are in TRANSIENT_FAILURE, end the + // first pass if possible. + b.endFirstPassIfPossibleLocked(lastErr) +} + +func (b *pickfirstBalancer) scheduleNextConnectionLocked() { + b.cancelConnectionTimer() + if !b.addressList.hasNext() { + return + } + curAddr := b.addressList.currentAddress() + cancelled := false // Access to this is protected by the balancer's mutex. + closeFn := internal.TimeAfterFunc(connectionDelayInterval, func() { + b.mu.Lock() + defer b.mu.Unlock() + // If the scheduled task is cancelled while acquiring the mutex, return. + if cancelled { + return + } + if b.logger.V(2) { + b.logger.Infof("Happy Eyeballs timer expired while waiting for connection to %q.", curAddr.Addr) + } + if b.addressList.increment() { + b.requestConnectionLocked() + } + }) + // Access to the cancellation callback held by the balancer is guarded by + // the balancer's mutex, so it's safe to set the boolean from the callback. + b.cancelConnectionTimer = sync.OnceFunc(func() { + cancelled = true + closeFn() + }) +} + +func (b *pickfirstBalancer) updateSubConnState(sd *scData, newState balancer.SubConnState) { + b.mu.Lock() + defer b.mu.Unlock() + oldState := sd.rawConnectivityState + sd.rawConnectivityState = newState.ConnectivityState + // Previously relevant SubConns can still callback with state updates. + // To prevent pickers from returning these obsolete SubConns, this logic + // is included to check if the current list of active SubConns includes this + // SubConn. + if !b.isActiveSCData(sd) { + return + } + if newState.ConnectivityState == connectivity.Shutdown { + sd.effectiveState = connectivity.Shutdown + return + } + + // Record a connection attempt when exiting CONNECTING. + if newState.ConnectivityState == connectivity.TransientFailure { + sd.connectionFailedInFirstPass = true + connectionAttemptsFailedMetric.Record(b.metricsRecorder, 1, b.target) + } + + if newState.ConnectivityState == connectivity.Ready { + connectionAttemptsSucceededMetric.Record(b.metricsRecorder, 1, b.target) + b.shutdownRemainingLocked(sd) + if !b.addressList.seekTo(sd.addr) { + // This should not fail as we should have only one SubConn after + // entering READY. The SubConn should be present in the addressList. + b.logger.Errorf("Address %q not found address list in %v", sd.addr, b.addressList.addresses) + return + } + if !b.healthCheckingEnabled { + if b.logger.V(2) { + b.logger.Infof("SubConn %p reported connectivity state READY and the health listener is disabled. Transitioning SubConn to READY.", sd.subConn) + } + + sd.effectiveState = connectivity.Ready + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Ready, + Picker: &picker{result: balancer.PickResult{SubConn: sd.subConn}}, + }) + return + } + if b.logger.V(2) { + b.logger.Infof("SubConn %p reported connectivity state READY. Registering health listener.", sd.subConn) + } + // Send a CONNECTING update to take the SubConn out of sticky-TF if + // required. + sd.effectiveState = connectivity.Connecting + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Connecting, + Picker: &picker{err: balancer.ErrNoSubConnAvailable}, + }) + sd.subConn.RegisterHealthListener(func(scs balancer.SubConnState) { + b.updateSubConnHealthState(sd, scs) + }) + return + } + + // If the LB policy is READY, and it receives a subchannel state change, + // it means that the READY subchannel has failed. + // A SubConn can also transition from CONNECTING directly to IDLE when + // a transport is successfully created, but the connection fails + // before the SubConn can send the notification for READY. We treat + // this as a successful connection and transition to IDLE. + // TODO: https://github.com/grpc/grpc-go/issues/7862 - Remove the second + // part of the if condition below once the issue is fixed. + if oldState == connectivity.Ready || (oldState == connectivity.Connecting && newState.ConnectivityState == connectivity.Idle) { + // Once a transport fails, the balancer enters IDLE and starts from + // the first address when the picker is used. + b.shutdownRemainingLocked(sd) + sd.effectiveState = newState.ConnectivityState + // READY SubConn interspliced in between CONNECTING and IDLE, need to + // account for that. + if oldState == connectivity.Connecting { + // A known issue (https://github.com/grpc/grpc-go/issues/7862) + // causes a race that prevents the READY state change notification. + // This works around it. + connectionAttemptsSucceededMetric.Record(b.metricsRecorder, 1, b.target) + } + disconnectionsMetric.Record(b.metricsRecorder, 1, b.target) + b.addressList.reset() + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Idle, + Picker: &idlePicker{exitIdle: sync.OnceFunc(b.ExitIdle)}, + }) + return + } + + if b.firstPass { + switch newState.ConnectivityState { + case connectivity.Connecting: + // The effective state can be in either IDLE, CONNECTING or + // TRANSIENT_FAILURE. If it's TRANSIENT_FAILURE, stay in + // TRANSIENT_FAILURE until it's READY. See A62. + if sd.effectiveState != connectivity.TransientFailure { + sd.effectiveState = connectivity.Connecting + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Connecting, + Picker: &picker{err: balancer.ErrNoSubConnAvailable}, + }) + } + case connectivity.TransientFailure: + sd.lastErr = newState.ConnectionError + sd.effectiveState = connectivity.TransientFailure + // Since we're re-using common SubConns while handling resolver + // updates, we could receive an out of turn TRANSIENT_FAILURE from + // a pass over the previous address list. Happy Eyeballs will also + // cause out of order updates to arrive. + + if curAddr := b.addressList.currentAddress(); equalAddressIgnoringBalAttributes(&curAddr, &sd.addr) { + b.cancelConnectionTimer() + if b.addressList.increment() { + b.requestConnectionLocked() + return + } + } + + // End the first pass if we've seen a TRANSIENT_FAILURE from all + // SubConns once. + b.endFirstPassIfPossibleLocked(newState.ConnectionError) + } + return + } + + // We have finished the first pass, keep re-connecting failing SubConns. + switch newState.ConnectivityState { + case connectivity.TransientFailure: + b.numTF = (b.numTF + 1) % b.subConns.Len() + sd.lastErr = newState.ConnectionError + if b.numTF%b.subConns.Len() == 0 { + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.TransientFailure, + Picker: &picker{err: newState.ConnectionError}, + }) + } + // We don't need to request re-resolution since the SubConn already + // does that before reporting TRANSIENT_FAILURE. + // TODO: #7534 - Move re-resolution requests from SubConn into + // pick_first. + case connectivity.Idle: + sd.subConn.Connect() + } +} + +// endFirstPassIfPossibleLocked ends the first happy-eyeballs pass if all the +// addresses are tried and their SubConns have reported a failure. +func (b *pickfirstBalancer) endFirstPassIfPossibleLocked(lastErr error) { + // An optimization to avoid iterating over the entire SubConn map. + if b.addressList.isValid() { + return + } + // Connect() has been called on all the SubConns. The first pass can be + // ended if all the SubConns have reported a failure. + for _, v := range b.subConns.Values() { + sd := v.(*scData) + if !sd.connectionFailedInFirstPass { + return + } + } + b.firstPass = false + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.TransientFailure, + Picker: &picker{err: lastErr}, + }) + // Start re-connecting all the SubConns that are already in IDLE. + for _, v := range b.subConns.Values() { + sd := v.(*scData) + if sd.rawConnectivityState == connectivity.Idle { + sd.subConn.Connect() + } + } +} + +func (b *pickfirstBalancer) isActiveSCData(sd *scData) bool { + activeSD, found := b.subConns.Get(sd.addr) + return found && activeSD == sd +} + +func (b *pickfirstBalancer) updateSubConnHealthState(sd *scData, state balancer.SubConnState) { + b.mu.Lock() + defer b.mu.Unlock() + // Previously relevant SubConns can still callback with state updates. + // To prevent pickers from returning these obsolete SubConns, this logic + // is included to check if the current list of active SubConns includes + // this SubConn. + if !b.isActiveSCData(sd) { + return + } + sd.effectiveState = state.ConnectivityState + switch state.ConnectivityState { + case connectivity.Ready: + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Ready, + Picker: &picker{result: balancer.PickResult{SubConn: sd.subConn}}, + }) + case connectivity.TransientFailure: + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.TransientFailure, + Picker: &picker{err: fmt.Errorf("pickfirst: health check failure: %v", state.ConnectionError)}, + }) + case connectivity.Connecting: + b.updateBalancerState(balancer.State{ + ConnectivityState: connectivity.Connecting, + Picker: &picker{err: balancer.ErrNoSubConnAvailable}, + }) + default: + b.logger.Errorf("Got unexpected health update for SubConn %p: %v", state) + } +} + +// updateBalancerState stores the state reported to the channel and calls +// ClientConn.UpdateState(). As an optimization, it avoids sending duplicate +// updates to the channel. +func (b *pickfirstBalancer) updateBalancerState(newState balancer.State) { + // In case of TransientFailures allow the picker to be updated to update + // the connectivity error, in all other cases don't send duplicate state + // updates. + if newState.ConnectivityState == b.state && b.state != connectivity.TransientFailure { + return + } + b.forceUpdateConcludedStateLocked(newState) +} + +// forceUpdateConcludedStateLocked stores the state reported to the channel and +// calls ClientConn.UpdateState(). +// A separate function is defined to force update the ClientConn state since the +// channel doesn't correctly assume that LB policies start in CONNECTING and +// relies on LB policy to send an initial CONNECTING update. +func (b *pickfirstBalancer) forceUpdateConcludedStateLocked(newState balancer.State) { + b.state = newState.ConnectivityState + b.cc.UpdateState(newState) +} + +type picker struct { + result balancer.PickResult + err error +} + +func (p *picker) Pick(balancer.PickInfo) (balancer.PickResult, error) { + return p.result, p.err +} + +// idlePicker is used when the SubConn is IDLE and kicks the SubConn into +// CONNECTING when Pick is called. +type idlePicker struct { + exitIdle func() +} + +func (i *idlePicker) Pick(balancer.PickInfo) (balancer.PickResult, error) { + i.exitIdle() + return balancer.PickResult{}, balancer.ErrNoSubConnAvailable +} + +// addressList manages sequentially iterating over addresses present in a list +// of endpoints. It provides a 1 dimensional view of the addresses present in +// the endpoints. +// This type is not safe for concurrent access. +type addressList struct { + addresses []resolver.Address + idx int +} + +func (al *addressList) isValid() bool { + return al.idx < len(al.addresses) +} + +func (al *addressList) size() int { + return len(al.addresses) +} + +// increment moves to the next index in the address list. +// This method returns false if it went off the list, true otherwise. +func (al *addressList) increment() bool { + if !al.isValid() { + return false + } + al.idx++ + return al.idx < len(al.addresses) +} + +// currentAddress returns the current address pointed to in the addressList. +// If the list is in an invalid state, it returns an empty address instead. +func (al *addressList) currentAddress() resolver.Address { + if !al.isValid() { + return resolver.Address{} + } + return al.addresses[al.idx] +} + +func (al *addressList) reset() { + al.idx = 0 +} + +func (al *addressList) updateAddrs(addrs []resolver.Address) { + al.addresses = addrs + al.reset() +} + +// seekTo returns false if the needle was not found and the current index was +// left unchanged. +func (al *addressList) seekTo(needle resolver.Address) bool { + for ai, addr := range al.addresses { + if !equalAddressIgnoringBalAttributes(&addr, &needle) { + continue + } + al.idx = ai + return true + } + return false +} + +// hasNext returns whether incrementing the addressList will result in moving +// past the end of the list. If the list has already moved past the end, it +// returns false. +func (al *addressList) hasNext() bool { + if !al.isValid() { + return false + } + return al.idx+1 < len(al.addresses) +} + +// equalAddressIgnoringBalAttributes returns true is a and b are considered +// equal. This is different from the Equal method on the resolver.Address type +// which considers all fields to determine equality. Here, we only consider +// fields that are meaningful to the SubConn. +func equalAddressIgnoringBalAttributes(a, b *resolver.Address) bool { + return a.Addr == b.Addr && a.ServerName == b.ServerName && + a.Attributes.Equal(b.Attributes) && + a.Metadata == b.Metadata +} diff --git a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go index 260255d31..80a42d225 100644 --- a/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go +++ b/vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go @@ -22,7 +22,7 @@ package roundrobin import ( - "math/rand" + rand "math/rand/v2" "sync/atomic" "google.golang.org/grpc/balancer" @@ -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: uint32(rand.Intn(len(scs))), + next: uint32(rand.IntN(len(scs))), } } diff --git a/vendor/google.golang.org/grpc/balancer/subconn.go b/vendor/google.golang.org/grpc/balancer/subconn.go new file mode 100644 index 000000000..ea27c4fa7 --- /dev/null +++ b/vendor/google.golang.org/grpc/balancer/subconn.go @@ -0,0 +1,134 @@ +/* + * + * Copyright 2024 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" + "google.golang.org/grpc/internal" + "google.golang.org/grpc/resolver" +) + +// A SubConn represents a single connection to a gRPC backend service. +// +// All SubConns start in IDLE, and will not try to connect. To trigger a +// connection attempt, Balancers must call Connect. +// +// If the connection attempt fails, the SubConn will transition to +// TRANSIENT_FAILURE for a backoff period, and then return to IDLE. If the +// connection attempt succeeds, it will transition to READY. +// +// If a READY SubConn becomes disconnected, the SubConn will transition to IDLE. +// +// If a connection re-enters IDLE, Balancers must call Connect again to trigger +// a new connection attempt. +// +// Each SubConn contains a list of addresses. gRPC will try to connect to the +// addresses in sequence, and stop trying the remainder once the first +// connection is successful. However, this behavior is deprecated. SubConns +// should only use a single address. +// +// NOTICE: This interface is intended to be implemented by gRPC, or intercepted +// by custom load balancing poilices. Users should not need their own complete +// implementation of this interface -- they should always delegate to a SubConn +// returned by ClientConn.NewSubConn() by embedding it in their implementations. +// An embedded SubConn must never be nil, or runtime panics will occur. +type SubConn interface { + // UpdateAddresses updates the addresses used in this SubConn. + // gRPC checks if currently-connected address is still in the new list. + // If it's in the list, the connection will be kept. + // If it's not in the list, the connection will gracefully close, and + // a new connection will be created. + // + // This will trigger a state transition for the SubConn. + // + // Deprecated: this method will be removed. Create new SubConns for new + // addresses instead. + 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 may be + // called when the Producer is no longer needed. Otherwise the producer + // will automatically be closed upon connection loss or subchannel close. + // Should only be called on a SubConn in state Ready. Otherwise the + // producer will be unable to create streams. + GetOrBuildProducer(ProducerBuilder) (p Producer, close func()) + // Shutdown shuts down the SubConn gracefully. Any started RPCs will be + // allowed to complete. No future calls should be made on the SubConn. + // One final state update will be delivered to the StateListener (or + // UpdateSubConnState; deprecated) with ConnectivityState of Shutdown to + // indicate the shutdown operation. This may be delivered before + // in-progress RPCs are complete and the actual connection is closed. + Shutdown() + // RegisterHealthListener registers a health listener that receives health + // updates for a Ready SubConn. Only one health listener can be registered + // at a time. A health listener should be registered each time the SubConn's + // connectivity state changes to READY. Registering a health listener when + // the connectivity state is not READY may result in undefined behaviour. + // This method must not be called synchronously while handling an update + // from a previously registered health listener. + RegisterHealthListener(func(SubConnState)) + // EnforceSubConnEmbedding is included to force implementers to embed + // another implementation of this interface, allowing gRPC to add methods + // without breaking users. + internal.EnforceSubConnEmbedding +} + +// 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 `any` to avoid a dependency + // cycle. Build also returns a close function that will be called when all + // references to the Producer have been given up for a SubConn, or when a + // connectivity state change occurs on the SubConn. The close function + // should always block until all asynchronous cleanup work is completed. + Build(grpcClientConnInterface any) (p Producer, close func()) +} + +// SubConnState describes the state of a SubConn. +type SubConnState struct { + // ConnectivityState is the connectivity state of the SubConn. + ConnectivityState connectivity.State + // ConnectionError is set if the ConnectivityState is TransientFailure, + // describing the reason the SubConn failed. Otherwise, it is nil. + ConnectionError error + // connectedAddr contains the connected address when ConnectivityState is + // Ready. Otherwise, it is indeterminate. + connectedAddress resolver.Address +} + +// connectedAddress returns the connected address for a SubConnState. The +// address is only valid if the state is READY. +func connectedAddress(scs SubConnState) resolver.Address { + return scs.connectedAddress +} + +// setConnectedAddress sets the connected address for a SubConnState. +func setConnectedAddress(scs *SubConnState, addr resolver.Address) { + scs.connectedAddress = addr +} + +// 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 any diff --git a/vendor/google.golang.org/grpc/balancer_wrapper.go b/vendor/google.golang.org/grpc/balancer_wrapper.go index 6561b769e..905817b5f 100644 --- a/vendor/google.golang.org/grpc/balancer_wrapper.go +++ b/vendor/google.golang.org/grpc/balancer_wrapper.go @@ -24,12 +24,14 @@ import ( "sync" "google.golang.org/grpc/balancer" + "google.golang.org/grpc/codes" "google.golang.org/grpc/connectivity" "google.golang.org/grpc/internal" "google.golang.org/grpc/internal/balancer/gracefulswitch" "google.golang.org/grpc/internal/channelz" "google.golang.org/grpc/internal/grpcsync" "google.golang.org/grpc/resolver" + "google.golang.org/grpc/status" ) var setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnState, resolver.Address)) @@ -187,12 +189,13 @@ func (ccb *ccBalancerWrapper) NewSubConn(addrs []resolver.Address, opts balancer ac: ac, producers: make(map[balancer.ProducerBuilder]*refCountedProducer), stateListener: opts.StateListener, + healthData: newHealthData(connectivity.Idle), } ac.acbw = acbw return acbw, nil } -func (ccb *ccBalancerWrapper) RemoveSubConn(sc balancer.SubConn) { +func (ccb *ccBalancerWrapper) RemoveSubConn(balancer.SubConn) { // The graceful switch balancer will never call this. logger.Errorf("ccb RemoveSubConn(%v) called unexpectedly, sc") } @@ -252,12 +255,32 @@ func (ccb *ccBalancerWrapper) Target() string { // acBalancerWrapper is a wrapper on top of ac for balancers. // It implements balancer.SubConn interface. type acBalancerWrapper struct { + internal.EnforceSubConnEmbedding ac *addrConn // read-only ccb *ccBalancerWrapper // read-only stateListener func(balancer.SubConnState) - mu sync.Mutex - producers map[balancer.ProducerBuilder]*refCountedProducer + producersMu sync.Mutex + producers map[balancer.ProducerBuilder]*refCountedProducer + + // Access to healthData is protected by healthMu. + healthMu sync.Mutex + // healthData is stored as a pointer to detect when the health listener is + // dropped or updated. This is required as closures can't be compared for + // equality. + healthData *healthData +} + +// healthData holds data related to health state reporting. +type healthData struct { + // connectivityState stores the most recent connectivity state delivered + // to the LB policy. This is stored to avoid sending updates when the + // SubConn has already exited connectivity state READY. + connectivityState connectivity.State +} + +func newHealthData(s connectivity.State) *healthData { + return &healthData{connectivityState: s} } // updateState is invoked by grpc to push a subConn state update to the @@ -267,6 +290,9 @@ func (acbw *acBalancerWrapper) updateState(s connectivity.State, curAddr resolve if ctx.Err() != nil || acbw.ccb.balancer == nil { return } + // Invalidate all producers on any state change. + acbw.closeProducers() + // Even though it is optional for balancers, gracefulswitch ensures // opts.StateListener is set, so this cannot ever be nil. // TODO: delete this comment when UpdateSubConnState is removed. @@ -274,17 +300,25 @@ func (acbw *acBalancerWrapper) updateState(s connectivity.State, curAddr resolve if s == connectivity.Ready { setConnectedAddress(&scs, curAddr) } + // Invalidate the health listener by updating the healthData. + acbw.healthMu.Lock() + // A race may occur if a health listener is registered soon after the + // connectivity state is set but before the stateListener is called. + // Two cases may arise: + // 1. The new state is not READY: RegisterHealthListener has checks to + // ensure no updates are sent when the connectivity state is not + // READY. + // 2. The new state is READY: This means that the old state wasn't Ready. + // The RegisterHealthListener API mentions that a health listener + // must not be registered when a SubConn is not ready to avoid such + // races. When this happens, the LB policy would get health updates + // on the old listener. When the LB policy registers a new listener + // on receiving the connectivity update, the health updates will be + // sent to the new health listener. + acbw.healthData = newHealthData(scs.ConnectivityState) + acbw.healthMu.Unlock() + acbw.stateListener(scs) - acbw.ac.mu.Lock() - defer acbw.ac.mu.Unlock() - if s == connectivity.Ready { - // When changing states to READY, reset stateReadyChan. Wait until - // after we notify the LB policy's listener(s) in order to prevent - // ac.getTransport() from unblocking before the LB policy starts - // tracking the subchannel as READY. - close(acbw.ac.stateReadyChan) - acbw.ac.stateReadyChan = make(chan struct{}) - } }) } @@ -301,6 +335,7 @@ func (acbw *acBalancerWrapper) Connect() { } func (acbw *acBalancerWrapper) Shutdown() { + acbw.closeProducers() acbw.ccb.cc.removeAddrConn(acbw.ac, errConnDrain) } @@ -308,9 +343,10 @@ func (acbw *acBalancerWrapper) Shutdown() { // ready, blocks until it is or ctx expires. Returns an error when the context // expires or the addrConn is shut down. func (acbw *acBalancerWrapper) NewStream(ctx context.Context, desc *StreamDesc, method string, opts ...CallOption) (ClientStream, error) { - transport, err := acbw.ac.getTransport(ctx) - if err != nil { - return nil, err + transport := acbw.ac.getReadyTransport() + if transport == nil { + return nil, status.Errorf(codes.Unavailable, "SubConn state is not Ready") + } return newNonRetryClientStream(ctx, desc, method, transport, acbw.ac, opts...) } @@ -335,15 +371,15 @@ type refCountedProducer struct { } func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) (balancer.Producer, func()) { - acbw.mu.Lock() - defer acbw.mu.Unlock() + acbw.producersMu.Lock() + defer acbw.producersMu.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} + p, closeFn := pb.Build(acbw) + pData = &refCountedProducer{producer: p, close: closeFn} acbw.producers[pb] = pData } // Account for this new reference. @@ -353,13 +389,64 @@ func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) ( // and delete the refCountedProducer from the map if the total reference // count goes to zero. unref := func() { - acbw.mu.Lock() + acbw.producersMu.Lock() + // If closeProducers has already closed this producer instance, refs is + // set to 0, so the check after decrementing will never pass, and the + // producer will not be double-closed. pData.refs-- if pData.refs == 0 { defer pData.close() // Run outside the acbw mutex delete(acbw.producers, pb) } - acbw.mu.Unlock() + acbw.producersMu.Unlock() } return pData.producer, grpcsync.OnceFunc(unref) } + +func (acbw *acBalancerWrapper) closeProducers() { + acbw.producersMu.Lock() + defer acbw.producersMu.Unlock() + for pb, pData := range acbw.producers { + pData.refs = 0 + pData.close() + delete(acbw.producers, pb) + } +} + +// RegisterHealthListener accepts a health listener from the LB policy. It sends +// updates to the health listener as long as the SubConn's connectivity state +// doesn't change and a new health listener is not registered. To invalidate +// the currently registered health listener, acbw updates the healthData. If a +// nil listener is registered, the active health listener is dropped. +func (acbw *acBalancerWrapper) RegisterHealthListener(listener func(balancer.SubConnState)) { + acbw.healthMu.Lock() + defer acbw.healthMu.Unlock() + // listeners should not be registered when the connectivity state + // isn't Ready. This may happen when the balancer registers a listener + // after the connectivityState is updated, but before it is notified + // of the update. + if acbw.healthData.connectivityState != connectivity.Ready { + return + } + // Replace the health data to stop sending updates to any previously + // registered health listeners. + hd := newHealthData(connectivity.Ready) + acbw.healthData = hd + if listener == nil { + return + } + + acbw.ccb.serializer.TrySchedule(func(ctx context.Context) { + if ctx.Err() != nil || acbw.ccb.balancer == nil { + return + } + // Don't send updates if a new listener is registered. + acbw.healthMu.Lock() + defer acbw.healthMu.Unlock() + curHD := acbw.healthData + if curHD != hd { + return + } + listener(balancer.SubConnState{ConnectivityState: connectivity.Ready}) + }) +} diff --git a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go index fcd1cfe80..9e9d08069 100644 --- a/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go +++ b/vendor/google.golang.org/grpc/binarylog/grpc_binarylog_v1/binarylog.pb.go @@ -18,7 +18,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.34.1 +// protoc-gen-go v1.35.1 // protoc v5.27.1 // source: grpc/binlog/v1/binarylog.proto @@ -274,11 +274,9 @@ type GrpcLogEntry struct { func (x *GrpcLogEntry) Reset() { *x = GrpcLogEntry{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *GrpcLogEntry) String() string { @@ -289,7 +287,7 @@ func (*GrpcLogEntry) ProtoMessage() {} func (x *GrpcLogEntry) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[0] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -440,11 +438,9 @@ type ClientHeader struct { func (x *ClientHeader) Reset() { *x = ClientHeader{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *ClientHeader) String() string { @@ -455,7 +451,7 @@ func (*ClientHeader) ProtoMessage() {} func (x *ClientHeader) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[1] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -509,11 +505,9 @@ type ServerHeader struct { func (x *ServerHeader) Reset() { *x = ServerHeader{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *ServerHeader) String() string { @@ -524,7 +518,7 @@ func (*ServerHeader) ProtoMessage() {} func (x *ServerHeader) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[2] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -565,11 +559,9 @@ type Trailer struct { func (x *Trailer) Reset() { *x = Trailer{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *Trailer) String() string { @@ -580,7 +572,7 @@ func (*Trailer) ProtoMessage() {} func (x *Trailer) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[3] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -638,11 +630,9 @@ type Message struct { func (x *Message) Reset() { *x = Message{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *Message) String() string { @@ -653,7 +643,7 @@ func (*Message) ProtoMessage() {} func (x *Message) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[4] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -713,11 +703,9 @@ type Metadata struct { func (x *Metadata) Reset() { *x = Metadata{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *Metadata) String() string { @@ -728,7 +716,7 @@ func (*Metadata) ProtoMessage() {} func (x *Metadata) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[5] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -762,11 +750,9 @@ type MetadataEntry struct { func (x *MetadataEntry) Reset() { *x = MetadataEntry{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *MetadataEntry) String() string { @@ -777,7 +763,7 @@ func (*MetadataEntry) ProtoMessage() {} func (x *MetadataEntry) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[6] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -820,11 +806,9 @@ type Address struct { func (x *Address) Reset() { *x = Address{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *Address) String() string { @@ -835,7 +819,7 @@ func (*Address) ProtoMessage() {} func (x *Address) ProtoReflect() protoreflect.Message { mi := &file_grpc_binlog_v1_binarylog_proto_msgTypes[7] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -1015,7 +999,7 @@ func file_grpc_binlog_v1_binarylog_proto_rawDescGZIP() []byte { var file_grpc_binlog_v1_binarylog_proto_enumTypes = make([]protoimpl.EnumInfo, 3) var file_grpc_binlog_v1_binarylog_proto_msgTypes = make([]protoimpl.MessageInfo, 8) -var file_grpc_binlog_v1_binarylog_proto_goTypes = []interface{}{ +var file_grpc_binlog_v1_binarylog_proto_goTypes = []any{ (GrpcLogEntry_EventType)(0), // 0: grpc.binarylog.v1.GrpcLogEntry.EventType (GrpcLogEntry_Logger)(0), // 1: grpc.binarylog.v1.GrpcLogEntry.Logger (Address_Type)(0), // 2: grpc.binarylog.v1.Address.Type @@ -1057,105 +1041,7 @@ func file_grpc_binlog_v1_binarylog_proto_init() { if File_grpc_binlog_v1_binarylog_proto != nil { return } - if !protoimpl.UnsafeEnabled { - file_grpc_binlog_v1_binarylog_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*GrpcLogEntry); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ClientHeader); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*ServerHeader); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Trailer); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Message); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Metadata); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*MetadataEntry); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*Address); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - } - file_grpc_binlog_v1_binarylog_proto_msgTypes[0].OneofWrappers = []interface{}{ + file_grpc_binlog_v1_binarylog_proto_msgTypes[0].OneofWrappers = []any{ (*GrpcLogEntry_ClientHeader)(nil), (*GrpcLogEntry_ServerHeader)(nil), (*GrpcLogEntry_Message)(nil), diff --git a/vendor/google.golang.org/grpc/clientconn.go b/vendor/google.golang.org/grpc/clientconn.go index 9c8850e3f..4f57b5543 100644 --- a/vendor/google.golang.org/grpc/clientconn.go +++ b/vendor/google.golang.org/grpc/clientconn.go @@ -775,10 +775,7 @@ func (cc *ClientConn) updateResolverStateAndUnlock(s resolver.State, err error) } } - var balCfg serviceconfig.LoadBalancingConfig - if cc.sc != nil && cc.sc.lbConfig != nil { - balCfg = cc.sc.lbConfig - } + balCfg := cc.sc.lbConfig bw := cc.balancerWrapper cc.mu.Unlock() @@ -825,14 +822,13 @@ func (cc *ClientConn) newAddrConnLocked(addrs []resolver.Address, opts balancer. } ac := &addrConn{ - state: connectivity.Idle, - cc: cc, - addrs: copyAddresses(addrs), - scopts: opts, - dopts: cc.dopts, - channelz: channelz.RegisterSubChannel(cc.channelz, ""), - resetBackoff: make(chan struct{}), - stateReadyChan: make(chan struct{}), + state: connectivity.Idle, + cc: cc, + addrs: copyAddresses(addrs), + scopts: opts, + dopts: cc.dopts, + channelz: channelz.RegisterSubChannel(cc.channelz, ""), + resetBackoff: make(chan struct{}), } ac.ctx, ac.cancel = context.WithCancel(cc.ctx) // Start with our address set to the first address; this may be updated if @@ -1141,10 +1137,15 @@ func (cc *ClientConn) Close() error { <-cc.resolverWrapper.serializer.Done() <-cc.balancerWrapper.serializer.Done() - + var wg sync.WaitGroup for ac := range conns { - ac.tearDown(ErrClientConnClosing) + wg.Add(1) + go func(ac *addrConn) { + defer wg.Done() + ac.tearDown(ErrClientConnClosing) + }(ac) } + wg.Wait() cc.addTraceEvent("deleted") // TraceEvent needs to be called before RemoveEntry, as TraceEvent may add // trace reference to the entity being deleted, and thus prevent it from being @@ -1179,8 +1180,7 @@ type addrConn struct { addrs []resolver.Address // All addresses that the resolver resolved to. // Use updateConnectivityState for updating addrConn's connectivity state. - state connectivity.State - stateReadyChan chan struct{} // closed and recreated on every READY state change. + state connectivity.State backoffIdx int // Needs to be stateful for resetConnectBackoff. resetBackoff chan struct{} @@ -1251,6 +1251,8 @@ func (ac *addrConn) resetTransportAndUnlock() { ac.mu.Unlock() if err := ac.tryAllAddrs(acCtx, addrs, connectDeadline); err != nil { + // TODO: #7534 - Move re-resolution requests into the pick_first LB policy + // to ensure one resolution request per pass instead of per subconn failure. ac.cc.resolveNow(resolver.ResolveNowOptions{}) ac.mu.Lock() if acCtx.Err() != nil { @@ -1292,7 +1294,7 @@ func (ac *addrConn) resetTransportAndUnlock() { ac.mu.Unlock() } -// tryAllAddrs tries to creates a connection to the addresses, and stop when at +// tryAllAddrs tries to create a connection to the addresses, and stop when at // the first successful one. It returns an error if no address was successfully // connected, or updates ac appropriately with the new transport. func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, connectDeadline time.Time) error { @@ -1369,7 +1371,7 @@ func (ac *addrConn) createTransport(ctx context.Context, addr resolver.Address, defer cancel() copts.ChannelzParent = ac.channelz - newTr, err := transport.NewClientTransport(connectCtx, ac.cc.ctx, addr, copts, onClose) + newTr, err := transport.NewHTTP2Client(connectCtx, ac.cc.ctx, addr, copts, onClose) if err != nil { if logger.V(2) { logger.Infof("Creating new client transport to %q: %v", addr, err) @@ -1443,7 +1445,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) { if !ac.scopts.HealthCheckEnabled { return } - healthCheckFunc := ac.cc.dopts.healthCheckFunc + healthCheckFunc := internal.HealthCheckFunc if healthCheckFunc == nil { // The health package is not imported to set health check function. // @@ -1475,7 +1477,7 @@ func (ac *addrConn) startHealthCheck(ctx context.Context) { } // Start the health checking stream. go func() { - err := ac.cc.dopts.healthCheckFunc(ctx, newStream, setConnectivityState, healthCheckConfig.ServiceName) + err := healthCheckFunc(ctx, newStream, setConnectivityState, healthCheckConfig.ServiceName) if err != nil { if status.Code(err) == codes.Unimplemented { channelz.Error(logger, ac.channelz, "Subchannel health check is unimplemented at server side, thus health check is disabled") @@ -1504,29 +1506,6 @@ func (ac *addrConn) getReadyTransport() transport.ClientTransport { return nil } -// getTransport waits until the addrconn is ready and returns the transport. -// If the context expires first, returns an appropriate status. If the -// addrConn is stopped first, returns an Unavailable status error. -func (ac *addrConn) getTransport(ctx context.Context) (transport.ClientTransport, error) { - for ctx.Err() == nil { - ac.mu.Lock() - t, state, sc := ac.transport, ac.state, ac.stateReadyChan - ac.mu.Unlock() - if state == connectivity.Ready { - return t, nil - } - if state == connectivity.Shutdown { - return nil, status.Errorf(codes.Unavailable, "SubConn shutting down") - } - - select { - case <-ctx.Done(): - case <-sc: - } - } - return nil, status.FromContextError(ctx.Err()).Err() -} - // tearDown starts to tear down the addrConn. // // Note that tearDown doesn't remove ac from ac.cc.conns, so the addrConn struct diff --git a/vendor/google.golang.org/grpc/codec.go b/vendor/google.golang.org/grpc/codec.go index e840858b7..959c2f99d 100644 --- a/vendor/google.golang.org/grpc/codec.go +++ b/vendor/google.golang.org/grpc/codec.go @@ -71,7 +71,7 @@ func (c codecV0Bridge) Marshal(v any) (mem.BufferSlice, error) { if err != nil { return nil, err } - return mem.BufferSlice{mem.NewBuffer(&data, nil)}, nil + return mem.BufferSlice{mem.SliceBuffer(data)}, nil } func (c codecV0Bridge) Unmarshal(data mem.BufferSlice, v any) (err error) { diff --git a/vendor/google.golang.org/grpc/credentials/insecure/insecure.go b/vendor/google.golang.org/grpc/credentials/insecure/insecure.go index 82bee1443..4c805c644 100644 --- a/vendor/google.golang.org/grpc/credentials/insecure/insecure.go +++ b/vendor/google.golang.org/grpc/credentials/insecure/insecure.go @@ -40,7 +40,7 @@ func NewCredentials() credentials.TransportCredentials { // NoSecurity. type insecureTC struct{} -func (insecureTC) ClientHandshake(ctx context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) { +func (insecureTC) ClientHandshake(_ context.Context, _ string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) { return conn, info{credentials.CommonAuthInfo{SecurityLevel: credentials.NoSecurity}}, nil } diff --git a/vendor/google.golang.org/grpc/credentials/tls.go b/vendor/google.golang.org/grpc/credentials/tls.go index 411435854..e163a473d 100644 --- a/vendor/google.golang.org/grpc/credentials/tls.go +++ b/vendor/google.golang.org/grpc/credentials/tls.go @@ -200,25 +200,40 @@ var tls12ForbiddenCipherSuites = map[uint16]struct{}{ // NewTLS uses c to construct a TransportCredentials based on TLS. func NewTLS(c *tls.Config) TransportCredentials { - tc := &tlsCreds{credinternal.CloneTLSConfig(c)} - tc.config.NextProtos = credinternal.AppendH2ToNextProtos(tc.config.NextProtos) + config := applyDefaults(c) + if config.GetConfigForClient != nil { + oldFn := config.GetConfigForClient + config.GetConfigForClient = func(hello *tls.ClientHelloInfo) (*tls.Config, error) { + cfgForClient, err := oldFn(hello) + if err != nil || cfgForClient == nil { + return cfgForClient, err + } + return applyDefaults(cfgForClient), nil + } + } + return &tlsCreds{config: config} +} + +func applyDefaults(c *tls.Config) *tls.Config { + config := credinternal.CloneTLSConfig(c) + config.NextProtos = credinternal.AppendH2ToNextProtos(config.NextProtos) // If the user did not configure a MinVersion and did not configure a // MaxVersion < 1.2, use MinVersion=1.2, which is required by // https://datatracker.ietf.org/doc/html/rfc7540#section-9.2 - if tc.config.MinVersion == 0 && (tc.config.MaxVersion == 0 || tc.config.MaxVersion >= tls.VersionTLS12) { - tc.config.MinVersion = tls.VersionTLS12 + if config.MinVersion == 0 && (config.MaxVersion == 0 || config.MaxVersion >= tls.VersionTLS12) { + config.MinVersion = tls.VersionTLS12 } // If the user did not configure CipherSuites, use all "secure" cipher // suites reported by the TLS package, but remove some explicitly forbidden // by https://datatracker.ietf.org/doc/html/rfc7540#appendix-A - if tc.config.CipherSuites == nil { + if config.CipherSuites == nil { for _, cs := range tls.CipherSuites() { if _, ok := tls12ForbiddenCipherSuites[cs.ID]; !ok { - tc.config.CipherSuites = append(tc.config.CipherSuites, cs.ID) + config.CipherSuites = append(config.CipherSuites, cs.ID) } } } - return tc + return config } // NewClientTLSFromCert constructs TLS credentials from the provided root diff --git a/vendor/google.golang.org/grpc/dialoptions.go b/vendor/google.golang.org/grpc/dialoptions.go index 27c1b9bb6..7494ae591 100644 --- a/vendor/google.golang.org/grpc/dialoptions.go +++ b/vendor/google.golang.org/grpc/dialoptions.go @@ -87,7 +87,6 @@ type dialOptions struct { disableServiceConfig bool disableRetry bool disableHealthCheck bool - healthCheckFunc internal.HealthChecker minConnectTimeout func() time.Duration defaultServiceConfig *ServiceConfig // defaultServiceConfig is parsed from defaultServiceConfigRawJSON. defaultServiceConfigRawJSON *string @@ -436,7 +435,7 @@ func WithTimeout(d time.Duration) DialOption { // option to true from the Control field. For a concrete example of how to do // this, see internal.NetDialerWithTCPKeepalive(). // -// For more information, please see [issue 23459] in the Go github repo. +// For more information, please see [issue 23459] in the Go GitHub repo. // // [issue 23459]: https://github.com/golang/go/issues/23459 func WithContextDialer(f func(context.Context, string) (net.Conn, error)) DialOption { @@ -445,10 +444,6 @@ func WithContextDialer(f func(context.Context, string) (net.Conn, error)) DialOp }) } -func init() { - internal.WithHealthCheckFunc = withHealthCheckFunc -} - // WithDialer returns a DialOption that specifies a function to use for dialing // network addresses. If FailOnNonTempDialError() is set to true, and an error // is returned by f, gRPC checks the error's Temporary() method to decide if it @@ -518,6 +513,8 @@ func WithUserAgent(s string) DialOption { // WithKeepaliveParams returns a DialOption that specifies keepalive parameters // for the client transport. +// +// Keepalive is disabled by default. func WithKeepaliveParams(kp keepalive.ClientParameters) DialOption { if kp.Time < internal.KeepaliveMinPingTime { logger.Warningf("Adjusting keepalive ping interval to minimum period of %v", internal.KeepaliveMinPingTime) @@ -660,16 +657,6 @@ func WithDisableHealthCheck() DialOption { }) } -// withHealthCheckFunc replaces the default health check function with the -// provided one. It makes tests easier to change the health check function. -// -// For testing purpose only. -func withHealthCheckFunc(f internal.HealthChecker) DialOption { - return newFuncDialOption(func(o *dialOptions) { - o.healthCheckFunc = f - }) -} - func defaultDialOptions() dialOptions { return dialOptions{ copts: transport.ConnectOptions{ @@ -680,7 +667,6 @@ func defaultDialOptions() dialOptions { BufferPool: mem.DefaultBufferPool(), }, bs: internalbackoff.DefaultExponential, - healthCheckFunc: internal.HealthCheckFunc, idleTimeout: 30 * time.Minute, defaultScheme: "dns", maxCallAttempts: defaultMaxCallAttempts, diff --git a/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go b/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go index 930140f57..ad75313a1 100644 --- a/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go +++ b/vendor/google.golang.org/grpc/experimental/stats/metricregistry.go @@ -20,10 +20,10 @@ package stats import ( "maps" - "testing" "google.golang.org/grpc/grpclog" "google.golang.org/grpc/internal" + "google.golang.org/grpc/stats" ) func init() { @@ -35,7 +35,7 @@ var logger = grpclog.Component("metrics-registry") // DefaultMetrics are the default metrics registered through global metrics // registry. This is written to at initialization time only, and is read only // after initialization. -var DefaultMetrics = NewMetrics() +var DefaultMetrics = stats.NewMetricSet() // MetricDescriptor is the data for a registered metric. type MetricDescriptor struct { @@ -43,7 +43,7 @@ type MetricDescriptor struct { // (including any per call metrics). See // https://github.com/grpc/proposal/blob/master/A79-non-per-call-metrics-architecture.md#metric-instrument-naming-conventions // for metric naming conventions. - Name Metric + Name string // The description of this metric. Description string // The unit (e.g. entries, seconds) of this metric. @@ -155,27 +155,27 @@ func (h *Int64GaugeHandle) Record(recorder MetricsRecorder, incr int64, labels . } // registeredMetrics are the registered metric descriptor names. -var registeredMetrics = make(map[Metric]bool) +var registeredMetrics = make(map[string]bool) // metricsRegistry contains all of the registered metrics. // // This is written to only at init time, and read only after that. -var metricsRegistry = make(map[Metric]*MetricDescriptor) +var metricsRegistry = make(map[string]*MetricDescriptor) // DescriptorForMetric returns the MetricDescriptor from the global registry. // // Returns nil if MetricDescriptor not present. -func DescriptorForMetric(metric Metric) *MetricDescriptor { - return metricsRegistry[metric] +func DescriptorForMetric(metricName string) *MetricDescriptor { + return metricsRegistry[metricName] } -func registerMetric(name Metric, def bool) { - if registeredMetrics[name] { - logger.Fatalf("metric %v already registered", name) +func registerMetric(metricName string, def bool) { + if registeredMetrics[metricName] { + logger.Fatalf("metric %v already registered", metricName) } - registeredMetrics[name] = true + registeredMetrics[metricName] = true if def { - DefaultMetrics = DefaultMetrics.Add(name) + DefaultMetrics = DefaultMetrics.Add(metricName) } } @@ -250,21 +250,21 @@ func RegisterInt64Gauge(descriptor MetricDescriptor) *Int64GaugeHandle { } // snapshotMetricsRegistryForTesting snapshots the global data of the metrics -// registry. Registers a cleanup function on the provided testing.T that sets -// the metrics registry to its original state. Only called in testing functions. -func snapshotMetricsRegistryForTesting(t *testing.T) { +// registry. Returns a cleanup function that sets the metrics registry to its +// original state. +func snapshotMetricsRegistryForTesting() func() { oldDefaultMetrics := DefaultMetrics oldRegisteredMetrics := registeredMetrics oldMetricsRegistry := metricsRegistry - registeredMetrics = make(map[Metric]bool) - metricsRegistry = make(map[Metric]*MetricDescriptor) + registeredMetrics = make(map[string]bool) + metricsRegistry = make(map[string]*MetricDescriptor) maps.Copy(registeredMetrics, registeredMetrics) maps.Copy(metricsRegistry, metricsRegistry) - t.Cleanup(func() { + return func() { DefaultMetrics = oldDefaultMetrics registeredMetrics = oldRegisteredMetrics metricsRegistry = oldMetricsRegistry - }) + } } diff --git a/vendor/google.golang.org/grpc/experimental/stats/metrics.go b/vendor/google.golang.org/grpc/experimental/stats/metrics.go index 3221f7a63..ee1423605 100644 --- a/vendor/google.golang.org/grpc/experimental/stats/metrics.go +++ b/vendor/google.golang.org/grpc/experimental/stats/metrics.go @@ -19,7 +19,7 @@ // Package stats contains experimental metrics/stats API's. package stats -import "maps" +import "google.golang.org/grpc/stats" // MetricsRecorder records on metrics derived from metric registry. type MetricsRecorder interface { @@ -40,75 +40,15 @@ type MetricsRecorder interface { RecordInt64Gauge(handle *Int64GaugeHandle, incr int64, labels ...string) } -// Metric is an identifier for a metric. -type Metric string +// Metrics is an experimental legacy alias of the now-stable stats.MetricSet. +// Metrics will be deleted in a future release. +type Metrics = stats.MetricSet -// Metrics is a set of metrics to record. Once created, Metrics is immutable, -// however Add and Remove can make copies with specific metrics added or -// removed, respectively. -// -// Do not construct directly; use NewMetrics instead. -type Metrics struct { - // metrics are the set of metrics to initialize. - metrics map[Metric]bool -} +// Metric was replaced by direct usage of strings. +type Metric = string -// NewMetrics returns a Metrics containing Metrics. +// NewMetrics is an experimental legacy alias of the now-stable +// stats.NewMetricSet. NewMetrics will be deleted in a future release. func NewMetrics(metrics ...Metric) *Metrics { - newMetrics := make(map[Metric]bool) - for _, metric := range metrics { - newMetrics[metric] = true - } - return &Metrics{ - metrics: newMetrics, - } -} - -// Metrics returns the metrics set. The returned map is read-only and must not -// be modified. -func (m *Metrics) Metrics() map[Metric]bool { - return m.metrics -} - -// Add adds the metrics to the metrics set and returns a new copy with the -// additional metrics. -func (m *Metrics) Add(metrics ...Metric) *Metrics { - newMetrics := make(map[Metric]bool) - for metric := range m.metrics { - newMetrics[metric] = true - } - - for _, metric := range metrics { - newMetrics[metric] = true - } - return &Metrics{ - metrics: newMetrics, - } -} - -// Join joins the metrics passed in with the metrics set, and returns a new copy -// with the merged metrics. -func (m *Metrics) Join(metrics *Metrics) *Metrics { - newMetrics := make(map[Metric]bool) - maps.Copy(newMetrics, m.metrics) - maps.Copy(newMetrics, metrics.metrics) - return &Metrics{ - metrics: newMetrics, - } -} - -// Remove removes the metrics from the metrics set and returns a new copy with -// the metrics removed. -func (m *Metrics) Remove(metrics ...Metric) *Metrics { - newMetrics := make(map[Metric]bool) - for metric := range m.metrics { - newMetrics[metric] = true - } - - for _, metric := range metrics { - delete(newMetrics, metric) - } - return &Metrics{ - metrics: newMetrics, - } + return stats.NewMetricSet(metrics...) } diff --git a/vendor/google.golang.org/grpc/grpclog/internal/logger.go b/vendor/google.golang.org/grpc/grpclog/internal/logger.go index 0d9a824ce..e524fdd40 100644 --- a/vendor/google.golang.org/grpc/grpclog/internal/logger.go +++ b/vendor/google.golang.org/grpc/grpclog/internal/logger.go @@ -81,7 +81,7 @@ func (l *LoggerWrapper) Errorf(format string, args ...any) { } // V reports whether verbosity level l is at least the requested verbose level. -func (*LoggerWrapper) V(l int) bool { +func (*LoggerWrapper) V(int) bool { // Returns true for all verbose level. return true } diff --git a/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go b/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go index 07df71e98..ed90060c3 100644 --- a/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go +++ b/vendor/google.golang.org/grpc/grpclog/internal/loggerv2.go @@ -101,6 +101,22 @@ var severityName = []string{ fatalLog: "FATAL", } +// sprintf is fmt.Sprintf. +// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily. +var sprintf = fmt.Sprintf + +// sprint is fmt.Sprint. +// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily. +var sprint = fmt.Sprint + +// sprintln is fmt.Sprintln. +// These vars exist to make it possible to test that expensive format calls aren't made unnecessarily. +var sprintln = fmt.Sprintln + +// exit is os.Exit. +// This var exists to make it possible to test functions calling os.Exit. +var exit = os.Exit + // loggerT is the default logger used by grpclog. type loggerT struct { m []*log.Logger @@ -111,7 +127,7 @@ type loggerT struct { func (g *loggerT) output(severity int, s string) { sevStr := severityName[severity] if !g.jsonFormat { - g.m[severity].Output(2, fmt.Sprintf("%v: %v", sevStr, s)) + g.m[severity].Output(2, sevStr+": "+s) return } // TODO: we can also include the logging component, but that needs more @@ -123,55 +139,79 @@ func (g *loggerT) output(severity int, s string) { g.m[severity].Output(2, string(b)) } +func (g *loggerT) printf(severity int, format string, args ...any) { + // Note the discard check is duplicated in each print func, rather than in + // output, to avoid the expensive Sprint calls. + // De-duplicating this by moving to output would be a significant performance regression! + if lg := g.m[severity]; lg.Writer() == io.Discard { + return + } + g.output(severity, sprintf(format, args...)) +} + +func (g *loggerT) print(severity int, v ...any) { + if lg := g.m[severity]; lg.Writer() == io.Discard { + return + } + g.output(severity, sprint(v...)) +} + +func (g *loggerT) println(severity int, v ...any) { + if lg := g.m[severity]; lg.Writer() == io.Discard { + return + } + g.output(severity, sprintln(v...)) +} + func (g *loggerT) Info(args ...any) { - g.output(infoLog, fmt.Sprint(args...)) + g.print(infoLog, args...) } func (g *loggerT) Infoln(args ...any) { - g.output(infoLog, fmt.Sprintln(args...)) + g.println(infoLog, args...) } func (g *loggerT) Infof(format string, args ...any) { - g.output(infoLog, fmt.Sprintf(format, args...)) + g.printf(infoLog, format, args...) } func (g *loggerT) Warning(args ...any) { - g.output(warningLog, fmt.Sprint(args...)) + g.print(warningLog, args...) } func (g *loggerT) Warningln(args ...any) { - g.output(warningLog, fmt.Sprintln(args...)) + g.println(warningLog, args...) } func (g *loggerT) Warningf(format string, args ...any) { - g.output(warningLog, fmt.Sprintf(format, args...)) + g.printf(warningLog, format, args...) } func (g *loggerT) Error(args ...any) { - g.output(errorLog, fmt.Sprint(args...)) + g.print(errorLog, args...) } func (g *loggerT) Errorln(args ...any) { - g.output(errorLog, fmt.Sprintln(args...)) + g.println(errorLog, args...) } func (g *loggerT) Errorf(format string, args ...any) { - g.output(errorLog, fmt.Sprintf(format, args...)) + g.printf(errorLog, format, args...) } func (g *loggerT) Fatal(args ...any) { - g.output(fatalLog, fmt.Sprint(args...)) - os.Exit(1) + g.print(fatalLog, args...) + exit(1) } func (g *loggerT) Fatalln(args ...any) { - g.output(fatalLog, fmt.Sprintln(args...)) - os.Exit(1) + g.println(fatalLog, args...) + exit(1) } func (g *loggerT) Fatalf(format string, args ...any) { - g.output(fatalLog, fmt.Sprintf(format, args...)) - os.Exit(1) + g.printf(fatalLog, format, args...) + exit(1) } func (g *loggerT) V(l int) bool { @@ -186,19 +226,42 @@ type LoggerV2Config struct { FormatJSON bool } +// combineLoggers returns a combined logger for both higher & lower severity logs, +// or only one if the other is io.Discard. +// +// This uses io.Discard instead of io.MultiWriter when all loggers +// are set to io.Discard. Both this package and the standard log package have +// significant optimizations for io.Discard, which io.MultiWriter lacks (as of +// this writing). +func combineLoggers(lower, higher io.Writer) io.Writer { + if lower == io.Discard { + return higher + } + if higher == io.Discard { + return lower + } + return io.MultiWriter(lower, higher) +} + // NewLoggerV2 creates a new LoggerV2 instance with the provided configuration. // The infoW, warningW, and errorW writers are used to write log messages of // different severity levels. func NewLoggerV2(infoW, warningW, errorW io.Writer, c LoggerV2Config) LoggerV2 { - var m []*log.Logger flag := log.LstdFlags if c.FormatJSON { flag = 0 } - m = append(m, log.New(infoW, "", flag)) - m = append(m, log.New(io.MultiWriter(infoW, warningW), "", flag)) - ew := io.MultiWriter(infoW, warningW, errorW) // ew will be used for error and fatal. - m = append(m, log.New(ew, "", flag)) - m = append(m, log.New(ew, "", flag)) + + warningW = combineLoggers(infoW, warningW) + errorW = combineLoggers(errorW, warningW) + + fatalW := errorW + + m := []*log.Logger{ + log.New(infoW, "", flag), + log.New(warningW, "", flag), + log.New(errorW, "", flag), + log.New(fatalW, "", flag), + } return &loggerT{m: m, v: c.Verbosity, jsonFormat: c.FormatJSON} } diff --git a/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go b/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go index e65cf0ea1..26e16d919 100644 --- a/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go +++ b/vendor/google.golang.org/grpc/health/grpc_health_v1/health.pb.go @@ -17,7 +17,7 @@ // Code generated by protoc-gen-go. DO NOT EDIT. // versions: -// protoc-gen-go v1.34.1 +// protoc-gen-go v1.35.1 // protoc v5.27.1 // source: grpc/health/v1/health.proto @@ -99,11 +99,9 @@ type HealthCheckRequest struct { func (x *HealthCheckRequest) Reset() { *x = HealthCheckRequest{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_health_v1_health_proto_msgTypes[0] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_health_v1_health_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *HealthCheckRequest) String() string { @@ -114,7 +112,7 @@ func (*HealthCheckRequest) ProtoMessage() {} func (x *HealthCheckRequest) ProtoReflect() protoreflect.Message { mi := &file_grpc_health_v1_health_proto_msgTypes[0] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -146,11 +144,9 @@ type HealthCheckResponse struct { func (x *HealthCheckResponse) Reset() { *x = HealthCheckResponse{} - if protoimpl.UnsafeEnabled { - mi := &file_grpc_health_v1_health_proto_msgTypes[1] - ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) - ms.StoreMessageInfo(mi) - } + mi := &file_grpc_health_v1_health_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) } func (x *HealthCheckResponse) String() string { @@ -161,7 +157,7 @@ func (*HealthCheckResponse) ProtoMessage() {} func (x *HealthCheckResponse) ProtoReflect() protoreflect.Message { mi := &file_grpc_health_v1_health_proto_msgTypes[1] - if protoimpl.UnsafeEnabled && x != nil { + if x != nil { ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) if ms.LoadMessageInfo() == nil { ms.StoreMessageInfo(mi) @@ -237,7 +233,7 @@ func file_grpc_health_v1_health_proto_rawDescGZIP() []byte { var file_grpc_health_v1_health_proto_enumTypes = make([]protoimpl.EnumInfo, 1) var file_grpc_health_v1_health_proto_msgTypes = make([]protoimpl.MessageInfo, 2) -var file_grpc_health_v1_health_proto_goTypes = []interface{}{ +var file_grpc_health_v1_health_proto_goTypes = []any{ (HealthCheckResponse_ServingStatus)(0), // 0: grpc.health.v1.HealthCheckResponse.ServingStatus (*HealthCheckRequest)(nil), // 1: grpc.health.v1.HealthCheckRequest (*HealthCheckResponse)(nil), // 2: grpc.health.v1.HealthCheckResponse @@ -260,32 +256,6 @@ func file_grpc_health_v1_health_proto_init() { if File_grpc_health_v1_health_proto != nil { return } - if !protoimpl.UnsafeEnabled { - file_grpc_health_v1_health_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*HealthCheckRequest); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - file_grpc_health_v1_health_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { - switch v := v.(*HealthCheckResponse); i { - case 0: - return &v.state - case 1: - return &v.sizeCache - case 2: - return &v.unknownFields - default: - return nil - } - } - } type x struct{} out := protoimpl.TypeBuilder{ File: protoimpl.DescBuilder{ diff --git a/vendor/google.golang.org/grpc/internal/backoff/backoff.go b/vendor/google.golang.org/grpc/internal/backoff/backoff.go index b15cf482d..b6ae7f258 100644 --- a/vendor/google.golang.org/grpc/internal/backoff/backoff.go +++ b/vendor/google.golang.org/grpc/internal/backoff/backoff.go @@ -25,7 +25,7 @@ package backoff import ( "context" "errors" - "math/rand" + rand "math/rand/v2" "time" grpcbackoff "google.golang.org/grpc/backoff" diff --git a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go index 13821a926..85540f86a 100644 --- a/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go +++ b/vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/config.go @@ -33,6 +33,8 @@ type lbConfig struct { childConfig serviceconfig.LoadBalancingConfig } +// ChildName returns the name of the child balancer of the gracefulswitch +// Balancer. func ChildName(l serviceconfig.LoadBalancingConfig) string { return l.(*lbConfig).childBuilder.Name() } diff --git a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go index aa4505a87..966932891 100644 --- a/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go +++ b/vendor/google.golang.org/grpc/internal/binarylog/method_logger.go @@ -106,7 +106,7 @@ func (ml *TruncatingMethodLogger) Build(c LogEntryConfig) *binlogpb.GrpcLogEntry } // Log creates a proto binary log entry, and logs it to the sink. -func (ml *TruncatingMethodLogger) Log(ctx context.Context, c LogEntryConfig) { +func (ml *TruncatingMethodLogger) Log(_ context.Context, c LogEntryConfig) { ml.sink.Write(ml.Build(c)) } diff --git a/vendor/google.golang.org/grpc/internal/channelz/channel.go b/vendor/google.golang.org/grpc/internal/channelz/channel.go index d7e9e1d54..3ec662799 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/channel.go +++ b/vendor/google.golang.org/grpc/internal/channelz/channel.go @@ -43,6 +43,8 @@ type Channel struct { // Non-zero traceRefCount means the trace of this channel cannot be deleted. traceRefCount int32 + // ChannelMetrics holds connectivity state, target and call metrics for the + // channel within channelz. ChannelMetrics ChannelMetrics } @@ -50,6 +52,8 @@ type Channel struct { // nesting. func (c *Channel) channelzIdentifier() {} +// String returns a string representation of the Channel, including its parent +// entity and ID. func (c *Channel) String() string { if c.Parent == nil { return fmt.Sprintf("Channel #%d", c.ID) @@ -61,24 +65,31 @@ func (c *Channel) id() int64 { return c.ID } +// SubChans returns a copy of the map of sub-channels associated with the +// Channel. func (c *Channel) SubChans() map[int64]string { db.mu.RLock() defer db.mu.RUnlock() return copyMap(c.subChans) } +// NestedChans returns a copy of the map of nested channels associated with the +// Channel. func (c *Channel) NestedChans() map[int64]string { db.mu.RLock() defer db.mu.RUnlock() return copyMap(c.nestedChans) } +// Trace returns a copy of the Channel's trace data. func (c *Channel) Trace() *ChannelTrace { db.mu.RLock() defer db.mu.RUnlock() return c.trace.copy() } +// ChannelMetrics holds connectivity state, target and call metrics for the +// channel within channelz. type ChannelMetrics struct { // The current connectivity state of the channel. State atomic.Pointer[connectivity.State] @@ -136,12 +147,16 @@ func strFromPointer(s *string) string { return *s } +// String returns a string representation of the ChannelMetrics, including its +// state, target, and call metrics. func (c *ChannelMetrics) String() string { return fmt.Sprintf("State: %v, Target: %s, CallsStarted: %v, CallsSucceeded: %v, CallsFailed: %v, LastCallStartedTimestamp: %v", c.State.Load(), strFromPointer(c.Target.Load()), c.CallsStarted.Load(), c.CallsSucceeded.Load(), c.CallsFailed.Load(), c.LastCallStartedTimestamp.Load(), ) } +// NewChannelMetricForTesting creates a new instance of ChannelMetrics with +// specified initial values for testing purposes. func NewChannelMetricForTesting(state connectivity.State, target string, started, succeeded, failed, timestamp int64) *ChannelMetrics { c := &ChannelMetrics{} c.State.Store(&state) diff --git a/vendor/google.golang.org/grpc/internal/channelz/channelmap.go b/vendor/google.golang.org/grpc/internal/channelz/channelmap.go index bb531225d..64c791953 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/channelmap.go +++ b/vendor/google.golang.org/grpc/internal/channelz/channelmap.go @@ -234,13 +234,6 @@ func copyMap(m map[int64]string) map[int64]string { return n } -func min(a, b int) int { - if a < b { - return a - } - return b -} - func (c *channelMap) getTopChannels(id int64, maxResults int) ([]*Channel, bool) { if maxResults <= 0 { maxResults = EntriesPerPage diff --git a/vendor/google.golang.org/grpc/internal/channelz/funcs.go b/vendor/google.golang.org/grpc/internal/channelz/funcs.go index 03e24e150..078bb8123 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/funcs.go +++ b/vendor/google.golang.org/grpc/internal/channelz/funcs.go @@ -33,7 +33,7 @@ var ( // outside this package except by tests. IDGen IDGenerator - db *channelMap = newChannelMap() + db = newChannelMap() // EntriesPerPage defines the number of channelz entries to be shown on a web page. EntriesPerPage = 50 curState int32 diff --git a/vendor/google.golang.org/grpc/internal/channelz/server.go b/vendor/google.golang.org/grpc/internal/channelz/server.go index cdfc49d6e..b5a824992 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/server.go +++ b/vendor/google.golang.org/grpc/internal/channelz/server.go @@ -59,6 +59,8 @@ func NewServerMetricsForTesting(started, succeeded, failed, timestamp int64) *Se return sm } +// CopyFrom copies the metrics data from the provided ServerMetrics +// instance into the current instance. func (sm *ServerMetrics) CopyFrom(o *ServerMetrics) { sm.CallsStarted.Store(o.CallsStarted.Load()) sm.CallsSucceeded.Store(o.CallsSucceeded.Load()) diff --git a/vendor/google.golang.org/grpc/internal/channelz/socket.go b/vendor/google.golang.org/grpc/internal/channelz/socket.go index fa64834b2..90103847c 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/socket.go +++ b/vendor/google.golang.org/grpc/internal/channelz/socket.go @@ -70,13 +70,18 @@ type EphemeralSocketMetrics struct { RemoteFlowControlWindow int64 } +// SocketType represents the type of socket. type SocketType string +// SocketType can be one of these. const ( SocketTypeNormal = "NormalSocket" SocketTypeListen = "ListenSocket" ) +// Socket represents a socket within channelz which includes socket +// metrics and data related to socket activity and provides methods +// for managing and interacting with sockets. type Socket struct { Entity SocketType SocketType @@ -100,6 +105,8 @@ type Socket struct { Security credentials.ChannelzSecurityValue } +// String returns a string representation of the Socket, including its parent +// entity, socket type, and ID. func (ls *Socket) String() string { return fmt.Sprintf("%s %s #%d", ls.Parent, ls.SocketType, ls.ID) } diff --git a/vendor/google.golang.org/grpc/internal/channelz/subchannel.go b/vendor/google.golang.org/grpc/internal/channelz/subchannel.go index 3b88e4cba..b20802e6e 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/subchannel.go +++ b/vendor/google.golang.org/grpc/internal/channelz/subchannel.go @@ -47,12 +47,14 @@ func (sc *SubChannel) id() int64 { return sc.ID } +// Sockets returns a copy of the sockets map associated with the SubChannel. func (sc *SubChannel) Sockets() map[int64]string { db.mu.RLock() defer db.mu.RUnlock() return copyMap(sc.sockets) } +// Trace returns a copy of the ChannelTrace associated with the SubChannel. func (sc *SubChannel) Trace() *ChannelTrace { db.mu.RLock() defer db.mu.RUnlock() diff --git a/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go b/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go index d1ed8df6a..0e6e18e18 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go +++ b/vendor/google.golang.org/grpc/internal/channelz/syscall_nonlinux.go @@ -35,13 +35,13 @@ type SocketOptionData struct { // Getsockopt defines the function to get socket options requested by channelz. // It is to be passed to syscall.RawConn.Control(). // Windows OS doesn't support Socket Option -func (s *SocketOptionData) Getsockopt(fd uintptr) { +func (s *SocketOptionData) Getsockopt(uintptr) { once.Do(func() { logger.Warning("Channelz: socket options are not supported on non-linux environments") }) } // GetSocketOption gets the socket option info of the conn. -func GetSocketOption(c any) *SocketOptionData { +func GetSocketOption(any) *SocketOptionData { return nil } diff --git a/vendor/google.golang.org/grpc/internal/channelz/trace.go b/vendor/google.golang.org/grpc/internal/channelz/trace.go index 36b867403..2bffe4777 100644 --- a/vendor/google.golang.org/grpc/internal/channelz/trace.go +++ b/vendor/google.golang.org/grpc/internal/channelz/trace.go @@ -79,13 +79,21 @@ type TraceEvent struct { Parent *TraceEvent } +// ChannelTrace provides tracing information for a channel. +// It tracks various events and metadata related to the channel's lifecycle +// and operations. type ChannelTrace struct { - cm *channelMap - clearCalled bool + cm *channelMap + clearCalled bool + // The time when the trace was created. CreationTime time.Time - EventNum int64 - mu sync.Mutex - Events []*traceEvent + // A counter for the number of events recorded in the + // trace. + EventNum int64 + mu sync.Mutex + // A slice of traceEvent pointers representing the events recorded for + // this channel. + Events []*traceEvent } func (c *ChannelTrace) copy() *ChannelTrace { @@ -175,6 +183,7 @@ var refChannelTypeToString = map[RefChannelType]string{ RefNormalSocket: "NormalSocket", } +// String returns a string representation of the RefChannelType func (r RefChannelType) String() string { return refChannelTypeToString[r] } diff --git a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go index 00abc7c2b..6e7dd6b77 100644 --- a/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go +++ b/vendor/google.golang.org/grpc/internal/envconfig/envconfig.go @@ -45,11 +45,16 @@ var ( // option is present for backward compatibility. This option may be overridden // by setting the environment variable "GRPC_ENFORCE_ALPN_ENABLED" to "true" // or "false". - EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", false) + EnforceALPNEnabled = boolFromEnv("GRPC_ENFORCE_ALPN_ENABLED", true) // XDSFallbackSupport is the env variable that controls whether support for // xDS fallback is turned on. If this is unset or is false, only the first // xDS server in the list of server configs will be used. XDSFallbackSupport = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FALLBACK", false) + // NewPickFirstEnabled is set if the new pickfirst leaf policy is to be used + // instead of the exiting pickfirst implementation. This can be enabled by + // setting the environment variable "GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST" + // to "true". + NewPickFirstEnabled = boolFromEnv("GRPC_EXPERIMENTAL_ENABLE_NEW_PICK_FIRST", false) ) func boolFromEnv(envVar string, def bool) bool { diff --git a/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go index 19b9d6392..8e8e86128 100644 --- a/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go +++ b/vendor/google.golang.org/grpc/internal/grpcsync/callback_serializer.go @@ -53,7 +53,7 @@ func NewCallbackSerializer(ctx context.Context) *CallbackSerializer { return cs } -// TrySchedule tries to schedules the provided callback function f to be +// TrySchedule tries to schedule the provided callback function f to be // executed in the order it was added. This is a best-effort operation. If the // context passed to NewCallbackSerializer was canceled before this method is // called, the callback will not be scheduled. diff --git a/vendor/google.golang.org/grpc/internal/grpcutil/method.go b/vendor/google.golang.org/grpc/internal/grpcutil/method.go index ec62b4775..683d1955c 100644 --- a/vendor/google.golang.org/grpc/internal/grpcutil/method.go +++ b/vendor/google.golang.org/grpc/internal/grpcutil/method.go @@ -39,7 +39,7 @@ func ParseMethod(methodName string) (service, method string, _ error) { } // 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 +// content-type on its 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. diff --git a/vendor/google.golang.org/grpc/internal/idle/idle.go b/vendor/google.golang.org/grpc/internal/idle/idle.go index fe49cb74c..2c13ee9da 100644 --- a/vendor/google.golang.org/grpc/internal/idle/idle.go +++ b/vendor/google.golang.org/grpc/internal/idle/idle.go @@ -182,6 +182,7 @@ func (m *Manager) tryEnterIdleMode() bool { return true } +// EnterIdleModeForTesting instructs the channel to enter idle mode. func (m *Manager) EnterIdleModeForTesting() { m.tryEnterIdleMode() } @@ -225,7 +226,7 @@ func (m *Manager) ExitIdleMode() error { // came in and OnCallBegin() noticed that the calls count is negative. // - Channel is in idle mode, and multiple new RPCs come in at the same // time, all of them notice a negative calls count in OnCallBegin and get - // here. The first one to get the lock would got the channel to exit idle. + // here. The first one to get the lock would get the channel to exit idle. // - Channel is not in idle mode, and the user calls Connect which calls // m.ExitIdleMode. // @@ -266,6 +267,7 @@ func (m *Manager) isClosed() bool { return atomic.LoadInt32(&m.closed) == 1 } +// Close stops the timer associated with the Manager, if it exists. func (m *Manager) Close() { atomic.StoreInt32(&m.closed, 1) diff --git a/vendor/google.golang.org/grpc/internal/internal.go b/vendor/google.golang.org/grpc/internal/internal.go index 65f936a62..3afc18134 100644 --- a/vendor/google.golang.org/grpc/internal/internal.go +++ b/vendor/google.golang.org/grpc/internal/internal.go @@ -29,8 +29,6 @@ import ( ) var ( - // WithHealthCheckFunc is set by dialoptions.go - WithHealthCheckFunc any // func (HealthChecker) DialOption // HealthCheckFunc is used to provide client-side LB channel health checking HealthCheckFunc HealthChecker // BalancerUnregister is exported by package balancer to unregister a balancer. @@ -149,6 +147,20 @@ var ( // other features, including the CSDS service. NewXDSResolverWithConfigForTesting any // func([]byte) (resolver.Builder, error) + // NewXDSResolverWithClientForTesting creates a new xDS resolver builder + // using the provided xDS client instead of creating a new one using the + // bootstrap configuration specified by the supported environment variables. + // The resolver.Builder is meant to be used in conjunction with the + // grpc.WithResolvers DialOption. The resolver.Builder does not take + // ownership of the provided xDS client and it is the responsibility of the + // caller to close the client when no longer required. + // + // Testing Only + // + // This function should ONLY be used for testing and may not work with some + // other features, including the CSDS service. + NewXDSResolverWithClientForTesting any // func(xdsclient.XDSClient) (resolver.Builder, error) + // RegisterRLSClusterSpecifierPluginForTesting registers the RLS Cluster // Specifier Plugin for testing purposes, regardless of the XDSRLS environment // variable. @@ -183,7 +195,7 @@ var ( // GRPCResolverSchemeExtraMetadata determines when gRPC will add extra // metadata to RPCs. - GRPCResolverSchemeExtraMetadata string = "xds" + GRPCResolverSchemeExtraMetadata = "xds" // EnterIdleModeForTesting gets the ClientConn to enter IDLE mode. EnterIdleModeForTesting any // func(*grpc.ClientConn) @@ -191,6 +203,8 @@ var ( // ExitIdleModeForTesting gets the ClientConn to exit IDLE mode. ExitIdleModeForTesting any // func(*grpc.ClientConn) error + // ChannelzTurnOffForTesting disables the Channelz service for testing + // purposes. ChannelzTurnOffForTesting func() // TriggerXDSResourceNotFoundForTesting causes the provided xDS Client to @@ -203,11 +217,7 @@ var ( // UserSetDefaultScheme is set to true if the user has overridden the // default resolver scheme. - UserSetDefaultScheme bool = false - - // ShuffleAddressListForTesting pseudo-randomizes the order of addresses. n - // is the number of elements. swap swaps the elements with indexes i and j. - ShuffleAddressListForTesting any // func(n int, swap func(i, j int)) + UserSetDefaultScheme = false // ConnectedAddress returns the connected address for a SubConnState. The // address is only valid if the state is READY. @@ -217,10 +227,9 @@ var ( SetConnectedAddress any // func(scs *SubConnState, addr resolver.Address) // SnapshotMetricRegistryForTesting snapshots the global data of the metric - // registry. Registers a cleanup function on the provided testing.T that - // sets the metric registry to its original state. Only called in testing - // functions. - SnapshotMetricRegistryForTesting any // func(t *testing.T) + // registry. Returns a cleanup function that sets the metric registry to its + // original state. Only called in testing functions. + SnapshotMetricRegistryForTesting func() func() // SetDefaultBufferPoolForTesting updates the default buffer pool, for // testing purposes. @@ -236,7 +245,7 @@ var ( // // The implementation is expected to create a health checking RPC stream by // calling newStream(), watch for the health status of serviceName, and report -// it's health back by calling setConnectivityState(). +// its health back by calling setConnectivityState(). // // The health checking protocol is defined at: // https://github.com/grpc/grpc/blob/master/doc/health-checking.md @@ -258,3 +267,9 @@ const ( // It currently has an experimental suffix which would be removed once // end-to-end testing of the policy is completed. const RLSLoadBalancingPolicyName = "rls_experimental" + +// EnforceSubConnEmbedding is used to enforce proper SubConn implementation +// embedding. +type EnforceSubConnEmbedding interface { + enforceSubConnEmbedding() +} diff --git a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go index 4552db16b..ba5c5a95d 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go +++ b/vendor/google.golang.org/grpc/internal/resolver/dns/dns_resolver.go @@ -24,8 +24,9 @@ import ( "context" "encoding/json" "fmt" - "math/rand" + rand "math/rand/v2" "net" + "net/netip" "os" "strconv" "strings" @@ -122,7 +123,7 @@ func (b *dnsBuilder) Build(target resolver.Target, cc resolver.ClientConn, opts } // IP address. - if ipAddr, ok := formatIP(host); ok { + if ipAddr, err := formatIP(host); err == nil { addr := []resolver.Address{{Addr: ipAddr + ":" + port}} cc.UpdateState(resolver.State{Addresses: addr}) return deadResolver{}, nil @@ -177,7 +178,7 @@ type dnsResolver struct { // finished. Otherwise, data race will be possible. [Race Example] in // dns_resolver_test we replace the real lookup functions with mocked ones to // facilitate testing. If Close() doesn't wait for watcher() goroutine - // finishes, race detector sometimes will warns lookup (READ the lookup + // finishes, race detector sometimes will warn lookup (READ the lookup // function pointers) inside watcher() goroutine has data race with // replaceNetFunc (WRITE the lookup function pointers). wg sync.WaitGroup @@ -237,7 +238,9 @@ func (d *dnsResolver) watcher() { } func (d *dnsResolver) lookupSRV(ctx context.Context) ([]resolver.Address, error) { - if !EnableSRVLookups { + // Skip this particular host to avoid timeouts with some versions of + // systemd-resolved. + if !EnableSRVLookups || d.host == "metadata.google.internal." { return nil, nil } var newAddrs []resolver.Address @@ -258,9 +261,9 @@ func (d *dnsResolver) lookupSRV(ctx context.Context) ([]resolver.Address, error) return nil, err } for _, a := range lbAddrs { - ip, ok := formatIP(a) - if !ok { - return nil, fmt.Errorf("dns: error parsing A record IP address %v", a) + ip, err := formatIP(a) + if err != nil { + return nil, fmt.Errorf("dns: error parsing A record IP address %v: %v", a, err) } addr := ip + ":" + strconv.Itoa(int(s.Port)) newAddrs = append(newAddrs, resolver.Address{Addr: addr, ServerName: s.Target}) @@ -320,9 +323,9 @@ func (d *dnsResolver) lookupHost(ctx context.Context) ([]resolver.Address, error } newAddrs := make([]resolver.Address, 0, len(addrs)) for _, a := range addrs { - ip, ok := formatIP(a) - if !ok { - return nil, fmt.Errorf("dns: error parsing A record IP address %v", a) + ip, err := formatIP(a) + if err != nil { + return nil, fmt.Errorf("dns: error parsing A record IP address %v: %v", a, err) } addr := ip + ":" + d.port newAddrs = append(newAddrs, resolver.Address{Addr: addr}) @@ -349,19 +352,19 @@ func (d *dnsResolver) lookup() (*resolver.State, error) { return &state, nil } -// formatIP returns ok = false if addr is not a valid textual representation of -// an IP address. If addr is an IPv4 address, return the addr and ok = true. +// formatIP returns an error if addr is not a valid textual representation of +// an IP address. If addr is an IPv4 address, return the addr and error = nil. // If addr is an IPv6 address, return the addr enclosed in square brackets and -// ok = true. -func formatIP(addr string) (addrIP string, ok bool) { - ip := net.ParseIP(addr) - if ip == nil { - return "", false +// error = nil. +func formatIP(addr string) (string, error) { + ip, err := netip.ParseAddr(addr) + if err != nil { + return "", err } - if ip.To4() != nil { - return addr, true + if ip.Is4() { + return addr, nil } - return "[" + addr + "]", true + return "[" + addr + "]", nil } // parseTarget takes the user input target string and default port, returns @@ -377,7 +380,7 @@ func parseTarget(target, defaultPort string) (host, port string, err error) { if target == "" { return "", "", internal.ErrMissingAddr } - if ip := net.ParseIP(target); ip != nil { + if _, err := netip.ParseAddr(target); err == nil { // target is an IPv4 or IPv6(without brackets) address return target, defaultPort, nil } @@ -425,7 +428,7 @@ func chosenByPercentage(a *int) bool { if a == nil { return true } - return rand.Intn(100)+1 <= *a + return rand.IntN(100)+1 <= *a } func canaryingSC(js string) string { diff --git a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go index afac56572..b901c7bac 100644 --- a/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go +++ b/vendor/google.golang.org/grpc/internal/resolver/passthrough/passthrough.go @@ -55,7 +55,7 @@ func (r *passthroughResolver) start() { r.cc.UpdateState(resolver.State{Addresses: []resolver.Address{{Addr: r.target.Endpoint()}}}) } -func (*passthroughResolver) ResolveNow(o resolver.ResolveNowOptions) {} +func (*passthroughResolver) ResolveNow(resolver.ResolveNowOptions) {} func (*passthroughResolver) Close() {} diff --git a/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go b/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go index be110d41f..79044657b 100644 --- a/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go +++ b/vendor/google.golang.org/grpc/internal/stats/metrics_recorder_list.go @@ -54,6 +54,8 @@ func verifyLabels(desc *estats.MetricDescriptor, labelsRecv ...string) { } } +// RecordInt64Count records the measurement alongside labels on the int +// count associated with the provided handle. func (l *MetricsRecorderList) RecordInt64Count(handle *estats.Int64CountHandle, incr int64, labels ...string) { verifyLabels(handle.Descriptor(), labels...) @@ -62,6 +64,8 @@ func (l *MetricsRecorderList) RecordInt64Count(handle *estats.Int64CountHandle, } } +// RecordFloat64Count records the measurement alongside labels on the float +// count associated with the provided handle. func (l *MetricsRecorderList) RecordFloat64Count(handle *estats.Float64CountHandle, incr float64, labels ...string) { verifyLabels(handle.Descriptor(), labels...) @@ -70,6 +74,8 @@ func (l *MetricsRecorderList) RecordFloat64Count(handle *estats.Float64CountHand } } +// RecordInt64Histo records the measurement alongside labels on the int +// histo associated with the provided handle. func (l *MetricsRecorderList) RecordInt64Histo(handle *estats.Int64HistoHandle, incr int64, labels ...string) { verifyLabels(handle.Descriptor(), labels...) @@ -78,6 +84,8 @@ func (l *MetricsRecorderList) RecordInt64Histo(handle *estats.Int64HistoHandle, } } +// RecordFloat64Histo records the measurement alongside labels on the float +// histo associated with the provided handle. func (l *MetricsRecorderList) RecordFloat64Histo(handle *estats.Float64HistoHandle, incr float64, labels ...string) { verifyLabels(handle.Descriptor(), labels...) @@ -86,6 +94,8 @@ func (l *MetricsRecorderList) RecordFloat64Histo(handle *estats.Float64HistoHand } } +// RecordInt64Gauge records the measurement alongside labels on the int +// gauge associated with the provided handle. func (l *MetricsRecorderList) RecordInt64Gauge(handle *estats.Int64GaugeHandle, incr int64, labels ...string) { verifyLabels(handle.Descriptor(), labels...) diff --git a/vendor/google.golang.org/grpc/internal/status/status.go b/vendor/google.golang.org/grpc/internal/status/status.go index c7dbc8205..1186f1e9a 100644 --- a/vendor/google.golang.org/grpc/internal/status/status.go +++ b/vendor/google.golang.org/grpc/internal/status/status.go @@ -138,17 +138,19 @@ func (s *Status) WithDetails(details ...protoadapt.MessageV1) (*Status, error) { // s.Code() != OK implies that s.Proto() != nil. p := s.Proto() for _, detail := range details { - any, err := anypb.New(protoadapt.MessageV2Of(detail)) + m, err := anypb.New(protoadapt.MessageV2Of(detail)) if err != nil { return nil, err } - p.Details = append(p.Details, any) + p.Details = append(p.Details, m) } return &Status{s: p}, nil } // Details returns a slice of details messages attached to the status. // If a detail cannot be decoded, the error is returned in place of the detail. +// If the detail can be decoded, the proto message returned is of the same +// type that was given to WithDetails(). func (s *Status) Details() []any { if s == nil || s.s == nil { return nil @@ -160,7 +162,38 @@ func (s *Status) Details() []any { details = append(details, err) continue } - details = append(details, detail) + // The call to MessageV1Of is required to unwrap the proto message if + // it implemented only the MessageV1 API. The proto message would have + // been wrapped in a V2 wrapper in Status.WithDetails. V2 messages are + // added to a global registry used by any.UnmarshalNew(). + // MessageV1Of has the following behaviour: + // 1. If the given message is a wrapped MessageV1, it returns the + // unwrapped value. + // 2. If the given message already implements MessageV1, it returns it + // as is. + // 3. Else, it wraps the MessageV2 in a MessageV1 wrapper. + // + // Since the Status.WithDetails() API only accepts MessageV1, calling + // MessageV1Of ensures we return the same type that was given to + // WithDetails: + // * If the give type implemented only MessageV1, the unwrapping from + // point 1 above will restore the type. + // * If the given type implemented both MessageV1 and MessageV2, point 2 + // above will ensure no wrapping is performed. + // * If the given type implemented only MessageV2 and was wrapped using + // MessageV1Of before passing to WithDetails(), it would be unwrapped + // in WithDetails by calling MessageV2Of(). Point 3 above will ensure + // that the type is wrapped in a MessageV1 wrapper again before + // returning. Note that protoc-gen-go doesn't generate code which + // implements ONLY MessageV2 at the time of writing. + // + // NOTE: Status details can also be added using the FromProto method. + // This could theoretically allow passing a Detail message that only + // implements the V2 API. In such a case the message will be wrapped in + // a MessageV1 wrapper when fetched using Details(). + // Since protoc-gen-go generates only code that implements both V1 and + // V2 APIs for backward compatibility, this is not a concern. + details = append(details, protoadapt.MessageV1Of(detail)) } return details } diff --git a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go index 999f52cd7..54c24c2ff 100644 --- a/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go +++ b/vendor/google.golang.org/grpc/internal/syscall/syscall_nonlinux.go @@ -58,20 +58,20 @@ func GetRusage() *Rusage { // CPUTimeDiff returns the differences of user CPU time and system CPU time used // between two Rusage structs. It a no-op function for non-linux environments. -func CPUTimeDiff(first *Rusage, latest *Rusage) (float64, float64) { +func CPUTimeDiff(*Rusage, *Rusage) (float64, float64) { log() return 0, 0 } // SetTCPUserTimeout is a no-op function under non-linux environments. -func SetTCPUserTimeout(conn net.Conn, timeout time.Duration) error { +func SetTCPUserTimeout(net.Conn, time.Duration) error { log() return nil } // GetTCPUserTimeout is a no-op function under non-linux environments. // A negative return value indicates the operation is not supported -func GetTCPUserTimeout(conn net.Conn) (int, error) { +func GetTCPUserTimeout(net.Conn) (int, error) { log() return -1, nil } diff --git a/vendor/google.golang.org/grpc/internal/transport/client_stream.go b/vendor/google.golang.org/grpc/internal/transport/client_stream.go new file mode 100644 index 000000000..8ed347c54 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/transport/client_stream.go @@ -0,0 +1,144 @@ +/* + * + * Copyright 2024 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 transport + +import ( + "sync/atomic" + + "golang.org/x/net/http2" + "google.golang.org/grpc/mem" + "google.golang.org/grpc/metadata" + "google.golang.org/grpc/status" +) + +// ClientStream implements streaming functionality for a gRPC client. +type ClientStream struct { + *Stream // Embed for common stream functionality. + + ct *http2Client + done chan struct{} // closed at the end of stream to unblock writers. + doneFunc func() // invoked at the end of stream. + + headerChan chan struct{} // closed to indicate the end of header metadata. + headerChanClosed uint32 // set when headerChan is closed. Used to avoid closing headerChan multiple times. + // headerValid indicates whether a valid header was received. Only + // meaningful after headerChan is closed (always call waitOnHeader() before + // reading its value). + headerValid bool + header metadata.MD // the received header metadata + noHeaders bool // set if the client never received headers (set only after the stream is done). + + bytesReceived atomic.Bool // indicates whether any bytes have been received on this stream + unprocessed atomic.Bool // set if the server sends a refused stream or GOAWAY including this stream + + status *status.Status // the status error received from the server +} + +// Read reads an n byte message from the input stream. +func (s *ClientStream) Read(n int) (mem.BufferSlice, error) { + b, err := s.Stream.read(n) + if err == nil { + s.ct.incrMsgRecv() + } + return b, err +} + +// Close closes the stream and popagates err to any readers. +func (s *ClientStream) Close(err error) { + var ( + rst bool + rstCode http2.ErrCode + ) + if err != nil { + rst = true + rstCode = http2.ErrCodeCancel + } + s.ct.closeStream(s, err, rst, rstCode, status.Convert(err), nil, false) +} + +// Write writes the hdr and data bytes to the output stream. +func (s *ClientStream) Write(hdr []byte, data mem.BufferSlice, opts *WriteOptions) error { + return s.ct.write(s, hdr, data, opts) +} + +// BytesReceived indicates whether any bytes have been received on this stream. +func (s *ClientStream) BytesReceived() bool { + return s.bytesReceived.Load() +} + +// Unprocessed indicates whether the server did not process this stream -- +// i.e. it sent a refused stream or GOAWAY including this stream ID. +func (s *ClientStream) Unprocessed() bool { + return s.unprocessed.Load() +} + +func (s *ClientStream) waitOnHeader() { + select { + case <-s.ctx.Done(): + // Close the stream to prevent headers/trailers from changing after + // this function returns. + s.Close(ContextErr(s.ctx.Err())) + // headerChan could possibly not be closed yet if closeStream raced + // with operateHeaders; wait until it is closed explicitly here. + <-s.headerChan + case <-s.headerChan: + } +} + +// RecvCompress returns the compression algorithm applied to the inbound +// message. It is empty string if there is no compression applied. +func (s *ClientStream) RecvCompress() string { + s.waitOnHeader() + return s.recvCompress +} + +// Done returns a channel which is closed when it receives the final status +// from the server. +func (s *ClientStream) Done() <-chan struct{} { + return s.done +} + +// Header returns the header metadata of the stream. Acquires the key-value +// pairs of header metadata once it is available. It blocks until i) the +// metadata is ready or ii) there is no header metadata or iii) the stream is +// canceled/expired. +func (s *ClientStream) Header() (metadata.MD, error) { + s.waitOnHeader() + + if !s.headerValid || s.noHeaders { + return nil, s.status.Err() + } + + return s.header.Copy(), nil +} + +// TrailersOnly blocks until a header or trailers-only frame is received and +// then returns true if the stream was trailers-only. If the stream ends +// before headers are received, returns true, nil. +func (s *ClientStream) TrailersOnly() bool { + s.waitOnHeader() + return s.noHeaders +} + +// Status returns the status received from the server. +// Status can be read safely only after the stream has ended, +// that is, after Done() is closed. +func (s *ClientStream) Status() *status.Status { + return s.status +} diff --git a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go index ea0633bbd..ef72fbb3a 100644 --- a/vendor/google.golang.org/grpc/internal/transport/controlbuf.go +++ b/vendor/google.golang.org/grpc/internal/transport/controlbuf.go @@ -1033,10 +1033,3 @@ func (l *loopyWriter) processData() (bool, error) { } return false, nil } - -func min(a, b int) int { - if a < b { - return a - } - return b -} diff --git a/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go b/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go index 97198c515..dfc0f224e 100644 --- a/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go +++ b/vendor/google.golang.org/grpc/internal/transport/flowcontrol.go @@ -92,14 +92,11 @@ func (f *trInFlow) newLimit(n uint32) uint32 { func (f *trInFlow) onData(n uint32) uint32 { f.unacked += n - if f.unacked >= f.limit/4 { - w := f.unacked - f.unacked = 0 + if f.unacked < f.limit/4 { f.updateEffectiveWindowSize() - return w + return 0 } - f.updateEffectiveWindowSize() - return 0 + return f.reset() } func (f *trInFlow) reset() uint32 { diff --git a/vendor/google.golang.org/grpc/internal/transport/handler_server.go b/vendor/google.golang.org/grpc/internal/transport/handler_server.go index e1cd86b2f..d9305a65d 100644 --- a/vendor/google.golang.org/grpc/internal/transport/handler_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/handler_server.go @@ -225,7 +225,7 @@ func (ht *serverHandlerTransport) do(fn func()) error { } } -func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) error { +func (ht *serverHandlerTransport) writeStatus(s *ServerStream, st *status.Status) error { ht.writeStatusMu.Lock() defer ht.writeStatusMu.Unlock() @@ -289,14 +289,14 @@ func (ht *serverHandlerTransport) WriteStatus(s *Stream, st *status.Status) erro // writePendingHeaders sets common and custom headers on the first // write call (Write, WriteHeader, or WriteStatus) -func (ht *serverHandlerTransport) writePendingHeaders(s *Stream) { +func (ht *serverHandlerTransport) writePendingHeaders(s *ServerStream) { ht.writeCommonHeaders(s) ht.writeCustomHeaders(s) } // writeCommonHeaders sets common headers on the first write // call (Write, WriteHeader, or WriteStatus). -func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) { +func (ht *serverHandlerTransport) writeCommonHeaders(s *ServerStream) { h := ht.rw.Header() h["Date"] = nil // suppress Date to make tests happy; TODO: restore h.Set("Content-Type", ht.contentType) @@ -317,7 +317,7 @@ func (ht *serverHandlerTransport) writeCommonHeaders(s *Stream) { // writeCustomHeaders sets custom headers set on the stream via SetHeader // on the first write call (Write, WriteHeader, or WriteStatus) -func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) { +func (ht *serverHandlerTransport) writeCustomHeaders(s *ServerStream) { h := ht.rw.Header() s.hdrMu.Lock() @@ -333,7 +333,7 @@ func (ht *serverHandlerTransport) writeCustomHeaders(s *Stream) { s.hdrMu.Unlock() } -func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error { +func (ht *serverHandlerTransport) write(s *ServerStream, hdr []byte, data mem.BufferSlice, _ *WriteOptions) error { // Always take a reference because otherwise there is no guarantee the data will // be available after this function returns. This is what callers to Write // expect. @@ -357,7 +357,7 @@ func (ht *serverHandlerTransport) Write(s *Stream, hdr []byte, data mem.BufferSl return nil } -func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error { +func (ht *serverHandlerTransport) writeHeader(s *ServerStream, md metadata.MD) error { if err := s.SetHeader(md); err != nil { return err } @@ -385,7 +385,7 @@ func (ht *serverHandlerTransport) WriteHeader(s *Stream, md metadata.MD) error { return err } -func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream func(*Stream)) { +func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream func(*ServerStream)) { // With this transport type there will be exactly 1 stream: this HTTP request. var cancel context.CancelFunc if ht.timeoutSet { @@ -408,16 +408,18 @@ func (ht *serverHandlerTransport) HandleStreams(ctx context.Context, startStream ctx = metadata.NewIncomingContext(ctx, ht.headerMD) req := ht.req - s := &Stream{ - id: 0, // irrelevant - ctx: ctx, - requestRead: func(int) {}, + s := &ServerStream{ + Stream: &Stream{ + id: 0, // irrelevant + ctx: ctx, + requestRead: func(int) {}, + buf: newRecvBuffer(), + method: req.URL.Path, + recvCompress: req.Header.Get("grpc-encoding"), + contentSubtype: ht.contentSubtype, + }, cancel: cancel, - buf: newRecvBuffer(), st: ht, - method: req.URL.Path, - recvCompress: req.Header.Get("grpc-encoding"), - contentSubtype: ht.contentSubtype, headerWireLength: 0, // won't have access to header wire length until golang/go#18997. } s.trReader = &transportReader{ @@ -471,11 +473,9 @@ func (ht *serverHandlerTransport) runStream() { } } -func (ht *serverHandlerTransport) IncrMsgSent() {} +func (ht *serverHandlerTransport) incrMsgRecv() {} -func (ht *serverHandlerTransport) IncrMsgRecv() {} - -func (ht *serverHandlerTransport) Drain(debugData string) { +func (ht *serverHandlerTransport) Drain(string) { panic("Drain() is not implemented") } diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_client.go b/vendor/google.golang.org/grpc/internal/transport/http2_client.go index f46194fdc..f323ab7f4 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_client.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_client.go @@ -86,9 +86,9 @@ type http2Client struct { writerDone chan struct{} // sync point to enable testing. // goAway is closed to notify the upper layer (i.e., addrConn.transportMonitor) // that the server sent GoAway on this transport. - goAway chan struct{} - - framer *framer + goAway chan struct{} + keepaliveDone chan struct{} // Closed when the keepalive goroutine exits. + 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. @@ -123,7 +123,7 @@ type http2Client struct { mu sync.Mutex // guard the following variables nextID uint32 state transportState - activeStreams map[uint32]*Stream + activeStreams map[uint32]*ClientStream // prevGoAway ID records the Last-Stream-ID in the previous GOAway frame. prevGoAwayID uint32 // goAwayReason records the http2.ErrCode and debug data received with the @@ -199,10 +199,10 @@ func isTemporary(err error) bool { return true } -// newHTTP2Client constructs a connected ClientTransport to addr based on HTTP2 +// 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, onClose func(GoAwayReason)) (_ *http2Client, err error) { +func NewHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts ConnectOptions, onClose func(GoAwayReason)) (_ ClientTransport, err error) { scheme := "http" ctx, cancel := context.WithCancel(ctx) defer func() { @@ -335,10 +335,11 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts readerDone: make(chan struct{}), writerDone: make(chan struct{}), goAway: make(chan struct{}), + keepaliveDone: make(chan struct{}), framer: newFramer(conn, writeBufSize, readBufSize, opts.SharedWriteBuffer, maxHeaderListSize), fc: &trInFlow{limit: uint32(icwz)}, scheme: scheme, - activeStreams: make(map[uint32]*Stream), + activeStreams: make(map[uint32]*ClientStream), isSecure: isSecure, perRPCCreds: perRPCCreds, kp: kp, @@ -479,17 +480,19 @@ func newHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts return t, nil } -func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream { +func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *ClientStream { // TODO(zhaoq): Handle uint32 overflow of Stream.id. - s := &Stream{ - ct: t, - done: make(chan struct{}), - method: callHdr.Method, - sendCompress: callHdr.SendCompress, - buf: newRecvBuffer(), - headerChan: make(chan struct{}), - contentSubtype: callHdr.ContentSubtype, - doneFunc: callHdr.DoneFunc, + s := &ClientStream{ + Stream: &Stream{ + method: callHdr.Method, + sendCompress: callHdr.SendCompress, + buf: newRecvBuffer(), + contentSubtype: callHdr.ContentSubtype, + }, + ct: t, + done: make(chan struct{}), + headerChan: make(chan struct{}), + doneFunc: callHdr.DoneFunc, } s.wq = newWriteQuota(defaultWriteQuota, s.done) s.requestRead = func(n int) { @@ -505,7 +508,7 @@ func (t *http2Client) newStream(ctx context.Context, callHdr *CallHdr) *Stream { ctxDone: s.ctx.Done(), recv: s.buf, closeStream: func(err error) { - t.CloseStream(s, err) + s.Close(err) }, }, windowHandler: func(n int) { @@ -527,8 +530,9 @@ func (t *http2Client) getPeer() *peer.Peer { // to be the last frame loopy writes to the transport. func (t *http2Client) outgoingGoAwayHandler(g *goAway) (bool, error) { t.mu.Lock() - defer t.mu.Unlock() - if err := t.framer.fr.WriteGoAway(t.nextID-2, http2.ErrCodeNo, g.debugData); err != nil { + maxStreamID := t.nextID - 2 + t.mu.Unlock() + if err := t.framer.fr.WriteGoAway(maxStreamID, http2.ErrCodeNo, g.debugData); err != nil { return false, err } return false, g.closeConn @@ -595,12 +599,6 @@ func (t *http2Client) createHeaderFields(ctx context.Context, callHdr *CallHdr) for k, v := range callAuthData { headerFields = append(headerFields, hpack.HeaderField{Name: k, Value: encodeMetadataHeader(k, v)}) } - if b := stats.OutgoingTags(ctx); b != nil { - headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-tags-bin", Value: encodeBinHeader(b)}) - } - if b := stats.OutgoingTrace(ctx); b != nil { - headerFields = append(headerFields, hpack.HeaderField{Name: "grpc-trace-bin", Value: encodeBinHeader(b)}) - } if md, added, ok := metadataFromOutgoingContextRaw(ctx); ok { var k string @@ -736,7 +734,7 @@ func (e NewStreamError) Error() string { // NewStream creates a stream and registers it into the transport as "active" // streams. All non-nil errors returned will be *NewStreamError. -func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error) { +func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*ClientStream, error) { ctx = peer.NewContext(ctx, t.getPeer()) // ServerName field of the resolver returned address takes precedence over @@ -761,7 +759,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, return } // The stream was unprocessed by the server. - atomic.StoreUint32(&s.unprocessed, 1) + s.unprocessed.Store(true) s.write(recvMsg{err: err}) close(s.done) // If headerChan isn't closed, then close it. @@ -772,7 +770,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, hdr := &headerFrame{ hf: headerFields, endStream: false, - initStream: func(id uint32) error { + initStream: func(uint32) error { t.mu.Lock() // TODO: handle transport closure in loopy instead and remove this // initStream is never called when transport is draining. @@ -906,21 +904,7 @@ func (t *http2Client) NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, return s, nil } -// CloseStream clears the footprint of a stream when the stream is not needed any more. -// This must not be executed in reader's goroutine. -func (t *http2Client) CloseStream(s *Stream, err error) { - var ( - rst bool - rstCode http2.ErrCode - ) - if err != nil { - rst = true - rstCode = http2.ErrCodeCancel - } - t.closeStream(s, err, rst, rstCode, status.Convert(err), nil, false) -} - -func (t *http2Client) closeStream(s *Stream, err error, rst bool, rstCode http2.ErrCode, st *status.Status, mdata map[string][]string, eosReceived bool) { +func (t *http2Client) closeStream(s *ClientStream, err error, rst bool, rstCode http2.ErrCode, st *status.Status, mdata map[string][]string, eosReceived bool) { // Set stream status to done. if s.swapState(streamDone) == streamDone { // If it was already done, return. If multiple closeStream calls @@ -1008,6 +992,9 @@ func (t *http2Client) Close(err error) { // should unblock it so that the goroutine eventually exits. t.kpDormancyCond.Signal() } + // Append info about previous goaways if there were any, since this may be important + // for understanding the root cause for this connection to be closed. + goAwayDebugMessage := t.goAwayDebugMessage t.mu.Unlock() // Per HTTP/2 spec, a GOAWAY frame must be sent before closing the @@ -1025,11 +1012,13 @@ func (t *http2Client) Close(err error) { } t.cancel() t.conn.Close() + // Waits for the reader and keepalive goroutines to exit before returning to + // ensure all resources are cleaned up before Close can return. + <-t.readerDone + if t.keepaliveEnabled { + <-t.keepaliveDone + } channelz.RemoveEntry(t.channelz.ID) - // Append info about previous goaways if there were any, since this may be important - // for understanding the root cause for this connection to be closed. - _, goAwayDebugMessage := t.GetGoAwayReason() - var st *status.Status if len(goAwayDebugMessage) > 0 { st = status.Newf(codes.Unavailable, "closing transport due to: %v, received prior goaway: %v", err, goAwayDebugMessage) @@ -1078,7 +1067,7 @@ func (t *http2Client) GracefulClose() { // Write formats the data into HTTP2 data frame(s) and sends it out. The caller // should proceed only if Write returns nil. -func (t *http2Client) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error { +func (t *http2Client) write(s *ClientStream, hdr []byte, data mem.BufferSlice, opts *WriteOptions) error { reader := data.Reader() if opts.Last { @@ -1107,10 +1096,11 @@ func (t *http2Client) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *O _ = reader.Close() return err } + t.incrMsgSent() return nil } -func (t *http2Client) getStream(f http2.Frame) *Stream { +func (t *http2Client) getStream(f http2.Frame) *ClientStream { t.mu.Lock() s := t.activeStreams[f.Header().StreamID] t.mu.Unlock() @@ -1120,7 +1110,7 @@ func (t *http2Client) getStream(f http2.Frame) *Stream { // adjustWindow sends out extra window update over the initial window size // of stream if the application is requesting data larger in size than // the window. -func (t *http2Client) adjustWindow(s *Stream, n uint32) { +func (t *http2Client) adjustWindow(s *ClientStream, n uint32) { if w := s.fc.maybeAdjust(n); w > 0 { t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w}) } @@ -1129,7 +1119,7 @@ func (t *http2Client) adjustWindow(s *Stream, n uint32) { // updateWindow adjusts the inbound quota for the stream. // Window updates will be sent out when the cumulative quota // exceeds the corresponding threshold. -func (t *http2Client) updateWindow(s *Stream, n uint32) { +func (t *http2Client) updateWindow(s *ClientStream, n uint32) { if w := s.fc.onRead(n); w > 0 { t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w}) } @@ -1235,7 +1225,7 @@ func (t *http2Client) handleRSTStream(f *http2.RSTStreamFrame) { } if f.ErrCode == http2.ErrCodeRefusedStream { // The stream was unprocessed by the server. - atomic.StoreUint32(&s.unprocessed, 1) + s.unprocessed.Store(true) } statusCode, ok := http2ErrConvTab[f.ErrCode] if !ok { @@ -1316,11 +1306,11 @@ func (t *http2Client) handlePing(f *http2.PingFrame) { t.controlBuf.put(pingAck) } -func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { +func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) error { t.mu.Lock() if t.state == closing { t.mu.Unlock() - return + return nil } if f.ErrCode == http2.ErrCodeEnhanceYourCalm && string(f.DebugData()) == "too_many_pings" { // When a client receives a GOAWAY with error code ENHANCE_YOUR_CALM and debug @@ -1332,8 +1322,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { id := f.LastStreamID if id > 0 && id%2 == 0 { t.mu.Unlock() - t.Close(connectionErrorf(true, nil, "received goaway with non-zero even-numbered stream id: %v", id)) - return + return connectionErrorf(true, nil, "received goaway with non-zero even-numbered stream id: %v", id) } // A client can receive multiple GoAways from the server (see // https://github.com/grpc/grpc-go/issues/1387). The idea is that the first @@ -1350,8 +1339,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { // If there are multiple GoAways the first one should always have an ID greater than the following ones. if id > t.prevGoAwayID { t.mu.Unlock() - t.Close(connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID)) - return + return connectionErrorf(true, nil, "received goaway with stream id: %v, which exceeds stream id of previous goaway: %v", id, t.prevGoAwayID) } default: t.setGoAwayReason(f) @@ -1375,15 +1363,14 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { 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 + return connectionErrorf(true, nil, "received goaway and there are no active streams") } - streamsToClose := make([]*Stream, 0) + streamsToClose := make([]*ClientStream, 0) for streamID, stream := range t.activeStreams { if streamID > id && streamID <= upperLimit { // The stream was unprocessed by the server. - atomic.StoreUint32(&stream.unprocessed, 1) + stream.unprocessed.Store(true) streamsToClose = append(streamsToClose, stream) } } @@ -1393,6 +1380,7 @@ func (t *http2Client) handleGoAway(f *http2.GoAwayFrame) { for _, stream := range streamsToClose { t.closeStream(stream, errStreamDrain, false, http2.ErrCodeNo, statusGoAway, nil, false) } + return nil } // setGoAwayReason sets the value of t.goAwayReason based @@ -1434,7 +1422,7 @@ func (t *http2Client) operateHeaders(frame *http2.MetaHeadersFrame) { return } endStream := frame.StreamEnded() - atomic.StoreUint32(&s.bytesReceived, 1) + s.bytesReceived.Store(true) initialHeader := atomic.LoadUint32(&s.headerChanClosed) == 0 if !initialHeader && !endStream { @@ -1628,7 +1616,13 @@ func (t *http2Client) readServerPreface() error { // 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) + var errClose error + defer func() { + close(t.readerDone) + if errClose != nil { + t.Close(errClose) + } + }() if err := t.readServerPreface(); err != nil { errCh <- err @@ -1667,11 +1661,10 @@ func (t *http2Client) reader(errCh chan<- error) { t.closeStream(s, status.Error(code, msg), true, http2.ErrCodeProtocol, status.New(code, msg), nil, false) } continue - } else { - // Transport error. - t.Close(connectionErrorf(true, err, "error reading from server: %v", err)) - return } + // Transport error. + errClose = connectionErrorf(true, err, "error reading from server: %v", err) + return } switch frame := frame.(type) { case *http2.MetaHeadersFrame: @@ -1685,7 +1678,7 @@ func (t *http2Client) reader(errCh chan<- error) { case *http2.PingFrame: t.handlePing(frame) case *http2.GoAwayFrame: - t.handleGoAway(frame) + errClose = t.handleGoAway(frame) case *http2.WindowUpdateFrame: t.handleWindowUpdate(frame) default: @@ -1696,15 +1689,15 @@ func (t *http2Client) reader(errCh chan<- error) { } } -func minTime(a, b time.Duration) time.Duration { - if a < b { - return a - } - return b -} - // keepalive running in a separate goroutine makes sure the connection is alive by sending pings. func (t *http2Client) keepalive() { + var err error + defer func() { + close(t.keepaliveDone) + if err != nil { + t.Close(err) + } + }() p := &ping{data: [8]byte{}} // True iff a ping has been sent, and no data has been received since then. outstandingPing := false @@ -1728,7 +1721,7 @@ func (t *http2Client) keepalive() { continue } if outstandingPing && timeoutLeft <= 0 { - t.Close(connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout")) + err = connectionErrorf(true, nil, "keepalive ping failed to receive ACK within timeout") return } t.mu.Lock() @@ -1770,7 +1763,7 @@ func (t *http2Client) keepalive() { // timeoutLeft. This will ensure that we wait only for kp.Time // before sending out the next ping (for cases where the ping is // acked). - sleepDuration := minTime(t.kp.Time, timeoutLeft) + sleepDuration := min(t.kp.Time, timeoutLeft) timeoutLeft -= sleepDuration timer.Reset(sleepDuration) case <-t.ctx.Done(): @@ -1799,14 +1792,18 @@ func (t *http2Client) socketMetrics() *channelz.EphemeralSocketMetrics { func (t *http2Client) RemoteAddr() net.Addr { return t.remoteAddr } -func (t *http2Client) IncrMsgSent() { - t.channelz.SocketMetrics.MessagesSent.Add(1) - t.channelz.SocketMetrics.LastMessageSentTimestamp.Store(time.Now().UnixNano()) +func (t *http2Client) incrMsgSent() { + if channelz.IsOn() { + t.channelz.SocketMetrics.MessagesSent.Add(1) + t.channelz.SocketMetrics.LastMessageSentTimestamp.Store(time.Now().UnixNano()) + } } -func (t *http2Client) IncrMsgRecv() { - t.channelz.SocketMetrics.MessagesReceived.Add(1) - t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Store(time.Now().UnixNano()) +func (t *http2Client) incrMsgRecv() { + if channelz.IsOn() { + t.channelz.SocketMetrics.MessagesReceived.Add(1) + t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Store(time.Now().UnixNano()) + } } func (t *http2Client) getOutFlowWindow() int64 { diff --git a/vendor/google.golang.org/grpc/internal/transport/http2_server.go b/vendor/google.golang.org/grpc/internal/transport/http2_server.go index f5163f770..0055fddd7 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http2_server.go +++ b/vendor/google.golang.org/grpc/internal/transport/http2_server.go @@ -25,7 +25,7 @@ import ( "fmt" "io" "math" - "math/rand" + rand "math/rand/v2" "net" "net/http" "strconv" @@ -111,7 +111,7 @@ type http2Server struct { // already initialized since draining is already underway. drainEvent *grpcsync.Event state transportState - activeStreams map[uint32]*Stream + activeStreams map[uint32]*ServerStream // idle is the time instant when the connection went idle. // This is either the beginning of the connection or when the number of // RPCs go down to 0. @@ -256,7 +256,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, inTapHandle: config.InTapHandle, fc: &trInFlow{limit: uint32(icwz)}, state: reachable, - activeStreams: make(map[uint32]*Stream), + activeStreams: make(map[uint32]*ServerStream), stats: config.StatsHandlers, kp: kp, idle: time.Now(), @@ -359,7 +359,7 @@ func NewServerTransport(conn net.Conn, config *ServerConfig) (_ ServerTransport, // operateHeaders takes action on the decoded headers. Returns an error if fatal // error encountered and transport needs to close, otherwise returns nil. -func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeadersFrame, handle func(*Stream)) error { +func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeadersFrame, handle func(*ServerStream)) error { // Acquire max stream ID lock for entire duration t.maxStreamMu.Lock() defer t.maxStreamMu.Unlock() @@ -385,11 +385,13 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade t.maxStreamID = streamID buf := newRecvBuffer() - s := &Stream{ - id: streamID, + s := &ServerStream{ + Stream: &Stream{ + id: streamID, + buf: buf, + fc: &inFlow{limit: uint32(t.initialWindowSize)}, + }, st: t, - buf: buf, - fc: &inFlow{limit: uint32(t.initialWindowSize)}, headerWireLength: int(frame.Header().Length), } var ( @@ -537,12 +539,6 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade // Attach the received metadata to the context. if len(mdata) > 0 { s.ctx = metadata.NewIncomingContext(s.ctx, mdata) - if statsTags := mdata["grpc-tags-bin"]; len(statsTags) > 0 { - s.ctx = stats.SetIncomingTags(s.ctx, []byte(statsTags[len(statsTags)-1])) - } - if statsTrace := mdata["grpc-trace-bin"]; len(statsTrace) > 0 { - s.ctx = stats.SetIncomingTrace(s.ctx, []byte(statsTrace[len(statsTrace)-1])) - } } t.mu.Lock() if t.state != reachable { @@ -634,7 +630,7 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade // HandleStreams receives incoming streams using the given handler. This is // typically run in a separate goroutine. // traceCtx attaches trace to ctx and returns the new context. -func (t *http2Server) HandleStreams(ctx context.Context, handle func(*Stream)) { +func (t *http2Server) HandleStreams(ctx context.Context, handle func(*ServerStream)) { defer func() { close(t.readerDone) <-t.loopyWriterDone @@ -698,7 +694,7 @@ func (t *http2Server) HandleStreams(ctx context.Context, handle func(*Stream)) { } } -func (t *http2Server) getStream(f http2.Frame) (*Stream, bool) { +func (t *http2Server) getStream(f http2.Frame) (*ServerStream, bool) { t.mu.Lock() defer t.mu.Unlock() if t.activeStreams == nil { @@ -716,7 +712,7 @@ func (t *http2Server) getStream(f http2.Frame) (*Stream, bool) { // adjustWindow sends out extra window update over the initial window size // of stream if the application is requesting data larger in size than // the window. -func (t *http2Server) adjustWindow(s *Stream, n uint32) { +func (t *http2Server) adjustWindow(s *ServerStream, n uint32) { if w := s.fc.maybeAdjust(n); w > 0 { t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w}) } @@ -726,7 +722,7 @@ func (t *http2Server) adjustWindow(s *Stream, n uint32) { // updateWindow adjusts the inbound quota for the stream and the transport. // Window updates will deliver to the controller for sending when // the cumulative quota exceeds the corresponding threshold. -func (t *http2Server) updateWindow(s *Stream, n uint32) { +func (t *http2Server) updateWindow(s *ServerStream, n uint32) { if w := s.fc.onRead(n); w > 0 { t.controlBuf.put(&outgoingWindowUpdate{streamID: s.id, increment: w, @@ -963,7 +959,7 @@ func (t *http2Server) checkForHeaderListSize(it any) bool { return true } -func (t *http2Server) streamContextErr(s *Stream) error { +func (t *http2Server) streamContextErr(s *ServerStream) error { select { case <-t.done: return ErrConnClosing @@ -973,7 +969,7 @@ 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 { +func (t *http2Server) writeHeader(s *ServerStream, md metadata.MD) error { s.hdrMu.Lock() defer s.hdrMu.Unlock() if s.getState() == streamDone { @@ -1006,7 +1002,7 @@ func (t *http2Server) setResetPingStrikes() { atomic.StoreUint32(&t.resetPingStrikes, 1) } -func (t *http2Server) writeHeaderLocked(s *Stream) error { +func (t *http2Server) writeHeaderLocked(s *ServerStream) error { // 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) // at least :status, content-type will be there if none else. @@ -1046,7 +1042,7 @@ func (t *http2Server) writeHeaderLocked(s *Stream) error { // There is no further I/O operations being able to perform on this stream. // 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 { +func (t *http2Server) writeStatus(s *ServerStream, st *status.Status) error { s.hdrMu.Lock() defer s.hdrMu.Unlock() @@ -1117,11 +1113,11 @@ func (t *http2Server) WriteStatus(s *Stream, st *status.Status) error { // Write converts the data into HTTP2 data frame and sends it out. Non-nil error // is returns if it fails (e.g., framing error, transport error). -func (t *http2Server) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error { +func (t *http2Server) write(s *ServerStream, hdr []byte, data mem.BufferSlice, _ *WriteOptions) error { reader := data.Reader() if !s.isHeaderSent() { // Headers haven't been written yet. - if err := t.WriteHeader(s, nil); err != nil { + if err := t.writeHeader(s, nil); err != nil { _ = reader.Close() return err } @@ -1147,6 +1143,7 @@ func (t *http2Server) Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *O _ = reader.Close() return err } + t.incrMsgSent() return nil } @@ -1238,7 +1235,7 @@ func (t *http2Server) keepalive() { // timeoutLeft. This will ensure that we wait only for kp.Time // before sending out the next ping (for cases where the ping is // acked). - sleepDuration := minTime(t.kp.Time, kpTimeoutLeft) + sleepDuration := min(t.kp.Time, kpTimeoutLeft) kpTimeoutLeft -= sleepDuration kpTimer.Reset(sleepDuration) case <-t.done: @@ -1276,7 +1273,7 @@ func (t *http2Server) Close(err error) { } // deleteStream deletes the stream s from transport's active streams. -func (t *http2Server) deleteStream(s *Stream, eosReceived bool) { +func (t *http2Server) deleteStream(s *ServerStream, eosReceived bool) { t.mu.Lock() if _, ok := t.activeStreams[s.id]; ok { @@ -1297,7 +1294,7 @@ func (t *http2Server) deleteStream(s *Stream, eosReceived bool) { } // finishStream closes the stream and puts the trailing headerFrame into controlbuf. -func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, hdr *headerFrame, eosReceived bool) { +func (t *http2Server) finishStream(s *ServerStream, rst bool, rstCode http2.ErrCode, hdr *headerFrame, eosReceived bool) { // In case stream sending and receiving are invoked in separate // goroutines (e.g., bi-directional streaming), cancel needs to be // called to interrupt the potential blocking on other goroutines. @@ -1321,7 +1318,7 @@ func (t *http2Server) finishStream(s *Stream, rst bool, rstCode http2.ErrCode, h } // closeStream clears the footprint of a stream when the stream is not needed any more. -func (t *http2Server) closeStream(s *Stream, rst bool, rstCode http2.ErrCode, eosReceived bool) { +func (t *http2Server) closeStream(s *ServerStream, rst bool, rstCode http2.ErrCode, eosReceived bool) { // In case stream sending and receiving are invoked in separate // goroutines (e.g., bi-directional streaming), cancel needs to be // called to interrupt the potential blocking on other goroutines. @@ -1415,14 +1412,18 @@ func (t *http2Server) socketMetrics() *channelz.EphemeralSocketMetrics { } } -func (t *http2Server) IncrMsgSent() { - t.channelz.SocketMetrics.MessagesSent.Add(1) - t.channelz.SocketMetrics.LastMessageSentTimestamp.Add(1) +func (t *http2Server) incrMsgSent() { + if channelz.IsOn() { + t.channelz.SocketMetrics.MessagesSent.Add(1) + t.channelz.SocketMetrics.LastMessageSentTimestamp.Add(1) + } } -func (t *http2Server) IncrMsgRecv() { - t.channelz.SocketMetrics.MessagesReceived.Add(1) - t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Add(1) +func (t *http2Server) incrMsgRecv() { + if channelz.IsOn() { + t.channelz.SocketMetrics.MessagesReceived.Add(1) + t.channelz.SocketMetrics.LastMessageReceivedTimestamp.Add(1) + } } func (t *http2Server) getOutFlowWindow() int64 { @@ -1455,7 +1456,7 @@ func getJitter(v time.Duration) time.Duration { } // Generate a jitter between +/- 10% of the value. r := int64(v / 10) - j := rand.Int63n(2*r) - r + j := rand.Int64N(2*r) - r return time.Duration(j) } diff --git a/vendor/google.golang.org/grpc/internal/transport/http_util.go b/vendor/google.golang.org/grpc/internal/transport/http_util.go index f609c6c66..3613d7b64 100644 --- a/vendor/google.golang.org/grpc/internal/transport/http_util.go +++ b/vendor/google.golang.org/grpc/internal/transport/http_util.go @@ -393,7 +393,7 @@ type framer struct { fr *http2.Framer } -var writeBufferPoolMap map[int]*sync.Pool = make(map[int]*sync.Pool) +var writeBufferPoolMap = make(map[int]*sync.Pool) var writeBufferMutex sync.Mutex func newFramer(conn net.Conn, writeBufferSize, readBufferSize int, sharedWriteBuffer bool, maxHeaderListSize uint32) *framer { diff --git a/vendor/google.golang.org/grpc/internal/transport/server_stream.go b/vendor/google.golang.org/grpc/internal/transport/server_stream.go new file mode 100644 index 000000000..a22a90151 --- /dev/null +++ b/vendor/google.golang.org/grpc/internal/transport/server_stream.go @@ -0,0 +1,178 @@ +/* + * + * Copyright 2024 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 transport + +import ( + "context" + "errors" + "strings" + "sync" + "sync/atomic" + + "google.golang.org/grpc/mem" + "google.golang.org/grpc/metadata" + "google.golang.org/grpc/status" +) + +// ServerStream implements streaming functionality for a gRPC server. +type ServerStream struct { + *Stream // Embed for common stream functionality. + + st internalServerTransport + ctxDone <-chan struct{} // closed at the end of stream. Cache of ctx.Done() (for performance) + cancel context.CancelFunc // invoked at the end of stream to cancel ctx. + + // Holds compressor names passed in grpc-accept-encoding metadata from the + // client. + clientAdvertisedCompressors string + headerWireLength int + + // hdrMu protects outgoing header and trailer metadata. + hdrMu sync.Mutex + header metadata.MD // the outgoing header metadata. Updated by WriteHeader. + headerSent atomic.Bool // atomically set when the headers are sent out. +} + +// Read reads an n byte message from the input stream. +func (s *ServerStream) Read(n int) (mem.BufferSlice, error) { + b, err := s.Stream.read(n) + if err == nil { + s.st.incrMsgRecv() + } + return b, err +} + +// SendHeader sends the header metadata for the given stream. +func (s *ServerStream) SendHeader(md metadata.MD) error { + return s.st.writeHeader(s, md) +} + +// Write writes the hdr and data bytes to the output stream. +func (s *ServerStream) Write(hdr []byte, data mem.BufferSlice, opts *WriteOptions) error { + return s.st.write(s, hdr, data, opts) +} + +// WriteStatus sends the status of a stream to the client. WriteStatus is +// the final call made on a stream and always occurs. +func (s *ServerStream) WriteStatus(st *status.Status) error { + return s.st.writeStatus(s, st) +} + +// isHeaderSent indicates whether headers have been sent. +func (s *ServerStream) isHeaderSent() bool { + return s.headerSent.Load() +} + +// updateHeaderSent updates headerSent and returns true +// if it was already set. +func (s *ServerStream) updateHeaderSent() bool { + return s.headerSent.Swap(true) +} + +// RecvCompress returns the compression algorithm applied to the inbound +// message. It is empty string if there is no compression applied. +func (s *ServerStream) RecvCompress() string { + return s.recvCompress +} + +// SendCompress returns the send compressor name. +func (s *ServerStream) SendCompress() string { + return s.sendCompress +} + +// ContentSubtype returns the content-subtype for a request. For example, a +// content-subtype of "proto" will result in a content-type of +// "application/grpc+proto". This will always be lowercase. See +// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for +// more details. +func (s *ServerStream) ContentSubtype() string { + return s.contentSubtype +} + +// SetSendCompress sets the compression algorithm to the stream. +func (s *ServerStream) SetSendCompress(name string) error { + if s.isHeaderSent() || s.getState() == streamDone { + return errors.New("transport: set send compressor called after headers sent or stream done") + } + + s.sendCompress = name + return nil +} + +// SetContext sets the context of the stream. This will be deleted once the +// stats handler callouts all move to gRPC layer. +func (s *ServerStream) SetContext(ctx context.Context) { + s.ctx = ctx +} + +// ClientAdvertisedCompressors returns the compressor names advertised by the +// client via grpc-accept-encoding header. +func (s *ServerStream) ClientAdvertisedCompressors() []string { + values := strings.Split(s.clientAdvertisedCompressors, ",") + for i, v := range values { + values[i] = strings.TrimSpace(v) + } + return values +} + +// Header returns the header metadata of the stream. It returns the out header +// after t.WriteHeader is called. It does not block and must not be called +// until after WriteHeader. +func (s *ServerStream) Header() (metadata.MD, error) { + // Return the header in stream. It will be the out + // header after t.WriteHeader is called. + return s.header.Copy(), nil +} + +// HeaderWireLength returns the size of the headers of the stream as received +// from the wire. +func (s *ServerStream) HeaderWireLength() int { + return s.headerWireLength +} + +// SetHeader sets the header metadata. This can be called multiple times. +// This should not be called in parallel to other data writes. +func (s *ServerStream) SetHeader(md metadata.MD) error { + if md.Len() == 0 { + return nil + } + if s.isHeaderSent() || s.getState() == streamDone { + return ErrIllegalHeaderWrite + } + s.hdrMu.Lock() + s.header = metadata.Join(s.header, md) + s.hdrMu.Unlock() + return nil +} + +// SetTrailer sets the trailer metadata which will be sent with the RPC status +// by the server. This can be called multiple times. +// This should not be called parallel to other data writes. +func (s *ServerStream) SetTrailer(md metadata.MD) error { + if md.Len() == 0 { + return nil + } + if s.getState() == streamDone { + return ErrIllegalHeaderWrite + } + s.hdrMu.Lock() + s.trailer = metadata.Join(s.trailer, md) + s.hdrMu.Unlock() + return nil +} diff --git a/vendor/google.golang.org/grpc/internal/transport/transport.go b/vendor/google.golang.org/grpc/internal/transport/transport.go index fdd6fa86c..2859b8775 100644 --- a/vendor/google.golang.org/grpc/internal/transport/transport.go +++ b/vendor/google.golang.org/grpc/internal/transport/transport.go @@ -27,7 +27,6 @@ import ( "fmt" "io" "net" - "strings" "sync" "sync/atomic" "time" @@ -39,7 +38,6 @@ import ( "google.golang.org/grpc/mem" "google.golang.org/grpc/metadata" "google.golang.org/grpc/peer" - "google.golang.org/grpc/resolver" "google.golang.org/grpc/stats" "google.golang.org/grpc/status" "google.golang.org/grpc/tap" @@ -133,7 +131,7 @@ type recvBufferReader struct { err error } -func (r *recvBufferReader) ReadHeader(header []byte) (n int, err error) { +func (r *recvBufferReader) ReadMessageHeader(header []byte) (n int, err error) { if r.err != nil { return 0, r.err } @@ -142,9 +140,9 @@ func (r *recvBufferReader) ReadHeader(header []byte) (n int, err error) { return n, nil } if r.closeStream != nil { - n, r.err = r.readHeaderClient(header) + n, r.err = r.readMessageHeaderClient(header) } else { - n, r.err = r.readHeader(header) + n, r.err = r.readMessageHeader(header) } return n, r.err } @@ -174,12 +172,12 @@ func (r *recvBufferReader) Read(n int) (buf mem.Buffer, err error) { return buf, r.err } -func (r *recvBufferReader) readHeader(header []byte) (n int, err error) { +func (r *recvBufferReader) readMessageHeader(header []byte) (n int, err error) { select { case <-r.ctxDone: return 0, ContextErr(r.ctx.Err()) case m := <-r.recv.get(): - return r.readHeaderAdditional(m, header) + return r.readMessageHeaderAdditional(m, header) } } @@ -192,7 +190,7 @@ func (r *recvBufferReader) read(n int) (buf mem.Buffer, err error) { } } -func (r *recvBufferReader) readHeaderClient(header []byte) (n int, err error) { +func (r *recvBufferReader) readMessageHeaderClient(header []byte) (n int, err error) { // If the context is canceled, then closes the stream with nil metadata. // closeStream writes its error parameter to r.recv as a recvMsg. // r.readAdditional acts on that message and returns the necessary error. @@ -213,9 +211,9 @@ func (r *recvBufferReader) readHeaderClient(header []byte) (n int, err error) { // faster. r.closeStream(ContextErr(r.ctx.Err())) m := <-r.recv.get() - return r.readHeaderAdditional(m, header) + return r.readMessageHeaderAdditional(m, header) case m := <-r.recv.get(): - return r.readHeaderAdditional(m, header) + return r.readMessageHeaderAdditional(m, header) } } @@ -246,7 +244,7 @@ func (r *recvBufferReader) readClient(n int) (buf mem.Buffer, err error) { } } -func (r *recvBufferReader) readHeaderAdditional(m recvMsg, header []byte) (n int, err error) { +func (r *recvBufferReader) readMessageHeaderAdditional(m recvMsg, header []byte) (n int, err error) { r.recv.load() if m.err != nil { if m.buffer != nil { @@ -288,14 +286,8 @@ const ( // Stream represents an RPC in the transport layer. type Stream struct { id uint32 - st ServerTransport // nil for client side Stream - ct ClientTransport // nil for server side Stream - ctx context.Context // the associated context of the stream - cancel context.CancelFunc // always nil for client side Stream - done chan struct{} // closed at the end of stream to unblock writers. On the client side. - doneFunc func() // invoked at the end of stream on client side. - ctxDone <-chan struct{} // same as done chan but for server side. Cache of ctx.Done() (for performance) - method string // the associated RPC method of the stream + ctx context.Context // the associated context of the stream + method string // the associated RPC method of the stream recvCompress string sendCompress string buf *recvBuffer @@ -303,58 +295,17 @@ type Stream struct { fc *inFlow wq *writeQuota - // Holds compressor names passed in grpc-accept-encoding metadata from the - // client. This is empty for the client side stream. - clientAdvertisedCompressors string // Callback to state application's intentions to read data. This // is used to adjust flow control, if needed. requestRead func(int) - headerChan chan struct{} // closed to indicate the end of header metadata. - headerChanClosed uint32 // set when headerChan is closed. Used to avoid closing headerChan multiple times. - // headerValid indicates whether a valid header was received. Only - // meaningful after headerChan is closed (always call waitOnHeader() before - // reading its value). Not valid on server side. - headerValid bool - headerWireLength int // Only set on server side. - - // hdrMu protects header and trailer metadata on the server-side. - hdrMu sync.Mutex - // On client side, header keeps the received header metadata. - // - // On server side, header keeps the header set by SetHeader(). The complete - // header will merged into this after t.WriteHeader() is called. - header metadata.MD - trailer metadata.MD // the key-value map of trailer metadata. - - noHeaders bool // set if the client never received headers (set only after the stream is done). - - // On the server-side, headerSent is atomically set to 1 when the headers are sent out. - headerSent uint32 - state streamState - // On client-side it is the status error received from the server. - // On server-side it is unused. - status *status.Status - - bytesReceived uint32 // indicates whether any bytes have been received on this stream - unprocessed uint32 // set if the server sends a refused stream or GOAWAY including this stream - // contentSubtype is the content-subtype for requests. // this must be lowercase or the behavior is undefined. contentSubtype string -} - -// isHeaderSent is only valid on the server-side. -func (s *Stream) isHeaderSent() bool { - return atomic.LoadUint32(&s.headerSent) == 1 -} -// updateHeaderSent updates headerSent and returns true -// if it was already set. It is valid only on server-side. -func (s *Stream) updateHeaderSent() bool { - return atomic.SwapUint32(&s.headerSent, 1) == 1 + trailer metadata.MD // the key-value map of trailer metadata. } func (s *Stream) swapState(st streamState) streamState { @@ -369,110 +320,12 @@ func (s *Stream) getState() streamState { return streamState(atomic.LoadUint32((*uint32)(&s.state))) } -func (s *Stream) waitOnHeader() { - if s.headerChan == nil { - // On the server headerChan is always nil since a stream originates - // only after having received headers. - return - } - select { - case <-s.ctx.Done(): - // Close the stream to prevent headers/trailers from changing after - // this function returns. - s.ct.CloseStream(s, ContextErr(s.ctx.Err())) - // headerChan could possibly not be closed yet if closeStream raced - // with operateHeaders; wait until it is closed explicitly here. - <-s.headerChan - case <-s.headerChan: - } -} - -// RecvCompress returns the compression algorithm applied to the inbound -// message. It is empty string if there is no compression applied. -func (s *Stream) RecvCompress() string { - s.waitOnHeader() - return s.recvCompress -} - -// SetSendCompress sets the compression algorithm to the stream. -func (s *Stream) SetSendCompress(name string) error { - if s.isHeaderSent() || s.getState() == streamDone { - return errors.New("transport: set send compressor called after headers sent or stream done") - } - - s.sendCompress = name - return nil -} - -// SendCompress returns the send compressor name. -func (s *Stream) SendCompress() string { - return s.sendCompress -} - -// ClientAdvertisedCompressors returns the compressor names advertised by the -// client via grpc-accept-encoding header. -func (s *Stream) ClientAdvertisedCompressors() []string { - values := strings.Split(s.clientAdvertisedCompressors, ",") - for i, v := range values { - values[i] = strings.TrimSpace(v) - } - return values -} - -// Done returns a channel which is closed when it receives the final status -// from the server. -func (s *Stream) Done() <-chan struct{} { - return s.done -} - -// Header returns the header metadata of the stream. -// -// On client side, it acquires the key-value pairs of header metadata once it is -// available. It blocks until i) the metadata is ready or ii) there is no header -// metadata or iii) the stream is canceled/expired. -// -// On server side, it returns the out header after t.WriteHeader is called. It -// does not block and must not be called until after WriteHeader. -func (s *Stream) Header() (metadata.MD, error) { - if s.headerChan == nil { - // On server side, return the header in stream. It will be the out - // header after t.WriteHeader is called. - return s.header.Copy(), nil - } - s.waitOnHeader() - - if !s.headerValid || s.noHeaders { - return nil, s.status.Err() - } - - return s.header.Copy(), nil -} - -// TrailersOnly blocks until a header or trailers-only frame is received and -// then returns true if the stream was trailers-only. If the stream ends -// before headers are received, returns true, nil. Client-side only. -func (s *Stream) TrailersOnly() bool { - s.waitOnHeader() - return s.noHeaders -} - // Trailer returns the cached trailer metadata. Note that if it is not called -// after the entire stream is done, it could return an empty MD. Client -// side only. +// after the entire stream is done, it could return an empty MD. // It can be safely read only after stream has ended that is either read // or write have returned io.EOF. func (s *Stream) Trailer() metadata.MD { - c := s.trailer.Copy() - return c -} - -// ContentSubtype returns the content-subtype for a request. For example, a -// content-subtype of "proto" will result in a content-type of -// "application/grpc+proto". This will always be lowercase. See -// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-HTTP2.md#requests for -// more details. -func (s *Stream) ContentSubtype() string { - return s.contentSubtype + return s.trailer.Copy() } // Context returns the context of the stream. @@ -480,81 +333,31 @@ func (s *Stream) Context() context.Context { return s.ctx } -// SetContext sets the context of the stream. This will be deleted once the -// stats handler callouts all move to gRPC layer. -func (s *Stream) SetContext(ctx context.Context) { - s.ctx = ctx -} - // Method returns the method for the stream. func (s *Stream) Method() string { return s.method } -// Status returns the status received from the server. -// Status can be read safely only after the stream has ended, -// that is, after Done() is closed. -func (s *Stream) Status() *status.Status { - return s.status -} - -// HeaderWireLength returns the size of the headers of the stream as received -// from the wire. Valid only on the server. -func (s *Stream) HeaderWireLength() int { - return s.headerWireLength -} - -// SetHeader sets the header metadata. This can be called multiple times. -// Server side only. -// This should not be called in parallel to other data writes. -func (s *Stream) SetHeader(md metadata.MD) error { - if md.Len() == 0 { - return nil - } - if s.isHeaderSent() || s.getState() == streamDone { - return ErrIllegalHeaderWrite - } - s.hdrMu.Lock() - s.header = metadata.Join(s.header, md) - s.hdrMu.Unlock() - return nil -} - -// SendHeader sends the given header metadata. The given metadata is -// combined with any metadata set by previous calls to SetHeader and -// then written to the transport stream. -func (s *Stream) SendHeader(md metadata.MD) error { - return s.st.WriteHeader(s, md) -} - -// SetTrailer sets the trailer metadata which will be sent with the RPC status -// by the server. This can be called multiple times. Server side only. -// This should not be called parallel to other data writes. -func (s *Stream) SetTrailer(md metadata.MD) error { - if md.Len() == 0 { - return nil - } - if s.getState() == streamDone { - return ErrIllegalHeaderWrite - } - s.hdrMu.Lock() - s.trailer = metadata.Join(s.trailer, md) - s.hdrMu.Unlock() - return nil -} - func (s *Stream) write(m recvMsg) { s.buf.put(m) } -func (s *Stream) ReadHeader(header []byte) (err error) { +// ReadMessageHeader reads data into the provided header slice from the stream. +// It first checks if there was an error during a previous read operation and +// returns it if present. It then requests a read operation for the length of +// the header. It continues to read from the stream until the entire header +// slice is filled or an error occurs. If an `io.EOF` error is encountered with +// partially read data, it is converted to `io.ErrUnexpectedEOF` to indicate an +// unexpected end of the stream. The method returns any error encountered during +// the read process or nil if the header was successfully read. +func (s *Stream) ReadMessageHeader(header []byte) (err error) { // Don't request a read if there was an error earlier if er := s.trReader.er; er != nil { return er } s.requestRead(len(header)) for len(header) != 0 { - n, err := s.trReader.ReadHeader(header) + n, err := s.trReader.ReadMessageHeader(header) header = header[n:] if len(header) == 0 { err = nil @@ -570,7 +373,7 @@ func (s *Stream) ReadHeader(header []byte) (err error) { } // Read reads n bytes from the wire for this stream. -func (s *Stream) Read(n int) (data mem.BufferSlice, err error) { +func (s *Stream) read(n int) (data mem.BufferSlice, err error) { // Don't request a read if there was an error earlier if er := s.trReader.er; er != nil { return nil, er @@ -610,13 +413,13 @@ type transportReader struct { er error } -func (t *transportReader) ReadHeader(header []byte) (int, error) { - n, err := t.reader.ReadHeader(header) +func (t *transportReader) ReadMessageHeader(header []byte) (int, error) { + n, err := t.reader.ReadMessageHeader(header) if err != nil { t.er = err return 0, err } - t.windowHandler(len(header)) + t.windowHandler(n) return n, nil } @@ -630,17 +433,6 @@ func (t *transportReader) Read(n int) (mem.Buffer, error) { return buf, nil } -// BytesReceived indicates whether any bytes have been received on this stream. -func (s *Stream) BytesReceived() bool { - return atomic.LoadUint32(&s.bytesReceived) == 1 -} - -// Unprocessed indicates whether the server did not process this stream -- -// i.e. it sent a refused stream or GOAWAY including this stream ID. -func (s *Stream) Unprocessed() bool { - return atomic.LoadUint32(&s.unprocessed) == 1 -} - // GoString is implemented by Stream so context.String() won't // race when printing %#v. func (s *Stream) GoString() string { @@ -716,15 +508,9 @@ type ConnectOptions struct { BufferPool mem.BufferPool } -// 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, onClose func(GoAwayReason)) (ClientTransport, error) { - return newHTTP2Client(connectCtx, ctx, addr, opts, onClose) -} - -// Options provides additional hints and information for message +// WriteOptions provides additional hints and information for message // transmission. -type Options struct { +type WriteOptions struct { // Last indicates whether this write is the last piece for // this stream. Last bool @@ -773,18 +559,8 @@ type ClientTransport interface { // It does not block. GracefulClose() - // Write sends the data for the given stream. A nil stream indicates - // the write is to be performed on the transport as a whole. - Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error - // NewStream creates a Stream for an RPC. - NewStream(ctx context.Context, callHdr *CallHdr) (*Stream, error) - - // CloseStream clears the footprint of a stream when the stream is - // not needed any more. The err indicates the error incurred when - // CloseStream is called. Must be called when a stream is finished - // unless the associated transport is closing. - CloseStream(stream *Stream, err error) + NewStream(ctx context.Context, callHdr *CallHdr) (*ClientStream, error) // Error returns a channel that is closed when some I/O error // happens. Typically the caller should have a goroutine to monitor @@ -804,12 +580,6 @@ type ClientTransport interface { // RemoteAddr returns the remote network address. RemoteAddr() net.Addr - - // IncrMsgSent increments the number of message sent through this transport. - IncrMsgSent() - - // IncrMsgRecv increments the number of message received through this transport. - IncrMsgRecv() } // ServerTransport is the common interface for all gRPC server-side transport @@ -819,19 +589,7 @@ type ClientTransport interface { // Write methods for a given Stream will be called serially. type ServerTransport interface { // HandleStreams receives incoming streams using the given handler. - HandleStreams(context.Context, func(*Stream)) - - // WriteHeader sends the header metadata for the given stream. - // WriteHeader may not be called on all streams. - WriteHeader(s *Stream, md metadata.MD) error - - // Write sends the data for the given stream. - // Write may not be called on all streams. - Write(s *Stream, hdr []byte, data mem.BufferSlice, opts *Options) error - - // WriteStatus sends the status of a stream to the client. WriteStatus is - // the final call made on a stream and always occurs. - WriteStatus(s *Stream, st *status.Status) error + HandleStreams(context.Context, func(*ServerStream)) // Close tears down the transport. Once it is called, the transport // should not be accessed any more. All the pending streams and their @@ -843,12 +601,14 @@ type ServerTransport interface { // Drain notifies the client this ServerTransport stops accepting new RPCs. Drain(debugData string) +} - // IncrMsgSent increments the number of message sent through this transport. - IncrMsgSent() - - // IncrMsgRecv increments the number of message received through this transport. - IncrMsgRecv() +type internalServerTransport interface { + ServerTransport + writeHeader(s *ServerStream, md metadata.MD) error + write(s *ServerStream, hdr []byte, data mem.BufferSlice, opts *WriteOptions) error + writeStatus(s *ServerStream, st *status.Status) error + incrMsgRecv() } // connectionErrorf creates an ConnectionError with the specified error description. diff --git a/vendor/google.golang.org/grpc/keepalive/keepalive.go b/vendor/google.golang.org/grpc/keepalive/keepalive.go index 34d31b5e7..eb42b19fb 100644 --- a/vendor/google.golang.org/grpc/keepalive/keepalive.go +++ b/vendor/google.golang.org/grpc/keepalive/keepalive.go @@ -34,15 +34,29 @@ type ClientParameters struct { // After a duration of this time if the client doesn't see any activity it // pings the server to see if the transport is still alive. // If set below 10s, a minimum value of 10s will be used instead. - Time time.Duration // The current default value is infinity. + // + // Note that gRPC servers have a default EnforcementPolicy.MinTime of 5 + // minutes (which means the client shouldn't ping more frequently than every + // 5 minutes). + // + // Though not ideal, it's not a strong requirement for Time to be less than + // EnforcementPolicy.MinTime. Time will automatically double if the server + // disconnects due to its enforcement policy. + // + // For more details, see + // https://github.com/grpc/proposal/blob/master/A8-client-side-keepalive.md + Time time.Duration // After having pinged for keepalive check, the client waits for a duration // of Timeout and if no activity is seen even after that the connection is // closed. - Timeout time.Duration // The current default value is 20 seconds. + // + // If keepalive is enabled, and this value is not explicitly set, the default + // is 20 seconds. + Timeout time.Duration // If true, client sends keepalive pings even with no active RPCs. If false, // when there are no active RPCs, Time and Timeout will be ignored and no // keepalive pings will be sent. - PermitWithoutStream bool // false by default. + PermitWithoutStream bool } // ServerParameters is used to set keepalive and max-age parameters on the diff --git a/vendor/google.golang.org/grpc/mem/buffer_slice.go b/vendor/google.golang.org/grpc/mem/buffer_slice.go index d7775cea6..65002e2cc 100644 --- a/vendor/google.golang.org/grpc/mem/buffer_slice.go +++ b/vendor/google.golang.org/grpc/mem/buffer_slice.go @@ -19,10 +19,14 @@ package mem import ( - "compress/flate" "io" ) +const ( + // 32 KiB is what io.Copy uses. + readAllBufSize = 32 * 1024 +) + // BufferSlice offers a means to represent data that spans one or more Buffer // instances. A BufferSlice is meant to be immutable after creation, and methods // like Ref create and return copies of the slice. This is why all methods have @@ -92,9 +96,11 @@ func (s BufferSlice) Materialize() []byte { } // MaterializeToBuffer functions like Materialize except that it writes the data -// to a single Buffer pulled from the given BufferPool. As a special case, if the -// input BufferSlice only actually has one Buffer, this function has nothing to -// do and simply returns said Buffer. +// to a single Buffer pulled from the given BufferPool. +// +// As a special case, if the input BufferSlice only actually has one Buffer, this +// function simply increases the refcount before returning said Buffer. Freeing this +// buffer won't release it until the BufferSlice is itself released. func (s BufferSlice) MaterializeToBuffer(pool BufferPool) Buffer { if len(s) == 1 { s[0].Ref() @@ -124,7 +130,8 @@ func (s BufferSlice) Reader() Reader { // Remaining(), which returns the number of unread bytes remaining in the slice. // Buffers will be freed as they are read. type Reader interface { - flate.Reader + io.Reader + io.ByteReader // Close frees the underlying BufferSlice and never returns an error. Subsequent // calls to Read will return (0, io.EOF). Close() error @@ -217,8 +224,58 @@ func (w *writer) Write(p []byte) (n int, err error) { // NewWriter wraps the given BufferSlice and BufferPool to implement the // io.Writer interface. Every call to Write copies the contents of the given -// buffer into a new Buffer pulled from the given pool and the Buffer is added to -// the given BufferSlice. +// buffer into a new Buffer pulled from the given pool and the Buffer is +// added to the given BufferSlice. func NewWriter(buffers *BufferSlice, pool BufferPool) io.Writer { return &writer{buffers: buffers, pool: pool} } + +// ReadAll reads from r until an error or EOF and returns the data it read. +// A successful call returns err == nil, not err == EOF. Because ReadAll is +// defined to read from src until EOF, it does not treat an EOF from Read +// as an error to be reported. +// +// Important: A failed call returns a non-nil error and may also return +// partially read buffers. It is the responsibility of the caller to free the +// BufferSlice returned, or its memory will not be reused. +func ReadAll(r io.Reader, pool BufferPool) (BufferSlice, error) { + var result BufferSlice + if wt, ok := r.(io.WriterTo); ok { + // This is more optimal since wt knows the size of chunks it wants to + // write and, hence, we can allocate buffers of an optimal size to fit + // them. E.g. might be a single big chunk, and we wouldn't chop it + // into pieces. + w := NewWriter(&result, pool) + _, err := wt.WriteTo(w) + return result, err + } +nextBuffer: + for { + buf := pool.Get(readAllBufSize) + // We asked for 32KiB but may have been given a bigger buffer. + // Use all of it if that's the case. + *buf = (*buf)[:cap(*buf)] + usedCap := 0 + for { + n, err := r.Read((*buf)[usedCap:]) + usedCap += n + if err != nil { + if usedCap == 0 { + // Nothing in this buf, put it back + pool.Put(buf) + } else { + *buf = (*buf)[:usedCap] + result = append(result, NewBuffer(buf, pool)) + } + if err == io.EOF { + err = nil + } + return result, err + } + if len(*buf) == usedCap { + result = append(result, NewBuffer(buf, pool)) + continue nextBuffer + } + } + } +} diff --git a/vendor/google.golang.org/grpc/mem/buffers.go b/vendor/google.golang.org/grpc/mem/buffers.go index 975ceb718..ecbf0b9a7 100644 --- a/vendor/google.golang.org/grpc/mem/buffers.go +++ b/vendor/google.golang.org/grpc/mem/buffers.go @@ -65,6 +65,9 @@ var ( refObjectPool = sync.Pool{New: func() any { return new(atomic.Int32) }} ) +// IsBelowBufferPoolingThreshold returns true if the given size is less than or +// equal to the threshold for buffer pooling. This is used to determine whether +// to pool buffers or allocate them directly. func IsBelowBufferPoolingThreshold(size int) bool { return size <= bufferPoolingThreshold } @@ -89,7 +92,11 @@ func newBuffer() *buffer { // // Note that the backing array of the given data is not copied. func NewBuffer(data *[]byte, pool BufferPool) Buffer { - if pool == nil || IsBelowBufferPoolingThreshold(len(*data)) { + // Use the buffer's capacity instead of the length, otherwise buffers may + // not be reused under certain conditions. For example, if a large buffer + // is acquired from the pool, but fewer bytes than the buffering threshold + // are written to it, the buffer will not be returned to the pool. + if pool == nil || IsBelowBufferPoolingThreshold(cap(*data)) { return (SliceBuffer)(*data) } b := newBuffer() @@ -194,19 +201,19 @@ func (b *buffer) read(buf []byte) (int, Buffer) { return n, b } -// String returns a string representation of the buffer. May be used for -// debugging purposes. func (b *buffer) String() string { return fmt.Sprintf("mem.Buffer(%p, data: %p, length: %d)", b, b.ReadOnlyData(), len(b.ReadOnlyData())) } +// ReadUnsafe reads bytes from the given Buffer into the provided slice. +// It does not perform safety checks. func ReadUnsafe(dst []byte, buf Buffer) (int, Buffer) { return buf.read(dst) } // SplitUnsafe modifies the receiver to point to the first n bytes while it -// returns a new reference to the remaining bytes. The returned Buffer functions -// just like a normal reference acquired using Ref(). +// returns a new reference to the remaining bytes. The returned Buffer +// functions just like a normal reference acquired using Ref(). func SplitUnsafe(buf Buffer, n int) (left, right Buffer) { return buf.split(n) } @@ -224,20 +231,29 @@ func (e emptyBuffer) Len() int { return 0 } -func (e emptyBuffer) split(n int) (left, right Buffer) { +func (e emptyBuffer) split(int) (left, right Buffer) { return e, e } -func (e emptyBuffer) read(buf []byte) (int, Buffer) { +func (e emptyBuffer) read([]byte) (int, Buffer) { return 0, e } +// SliceBuffer is a Buffer implementation that wraps a byte slice. It provides +// methods for reading, splitting, and managing the byte slice. type SliceBuffer []byte +// ReadOnlyData returns the byte slice. func (s SliceBuffer) ReadOnlyData() []byte { return s } -func (s SliceBuffer) Ref() {} -func (s SliceBuffer) Free() {} -func (s SliceBuffer) Len() int { return len(s) } + +// Ref is a noop implementation of Ref. +func (s SliceBuffer) Ref() {} + +// Free is a noop implementation of Free. +func (s SliceBuffer) Free() {} + +// Len is a noop implementation of Len. +func (s SliceBuffer) Len() int { return len(s) } func (s SliceBuffer) split(n int) (left, right Buffer) { return s[:n], s[n:] diff --git a/vendor/google.golang.org/grpc/preloader.go b/vendor/google.golang.org/grpc/preloader.go index e87a17f36..ee0ff969a 100644 --- a/vendor/google.golang.org/grpc/preloader.go +++ b/vendor/google.golang.org/grpc/preloader.go @@ -62,7 +62,7 @@ func (p *PreparedMsg) Encode(s Stream, msg any) error { materializedData := data.Materialize() data.Free() - p.encodedData = mem.BufferSlice{mem.NewBuffer(&materializedData, nil)} + p.encodedData = mem.BufferSlice{mem.SliceBuffer(materializedData)} // TODO: it should be possible to grab the bufferPool from the underlying // stream implementation with a type cast to its actual type (such as @@ -76,7 +76,7 @@ func (p *PreparedMsg) Encode(s Stream, msg any) error { if p.pf.isCompressed() { materializedCompData := compData.Materialize() compData.Free() - compData = mem.BufferSlice{mem.NewBuffer(&materializedCompData, nil)} + compData = mem.BufferSlice{mem.SliceBuffer(materializedCompData)} } p.hdr, p.payload = msgHeader(p.encodedData, compData, p.pf) diff --git a/vendor/google.golang.org/grpc/resolver/resolver.go b/vendor/google.golang.org/grpc/resolver/resolver.go index 202854511..8eb1cf3bc 100644 --- a/vendor/google.golang.org/grpc/resolver/resolver.go +++ b/vendor/google.golang.org/grpc/resolver/resolver.go @@ -22,6 +22,7 @@ package resolver import ( "context" + "errors" "fmt" "net" "net/url" @@ -237,8 +238,8 @@ type ClientConn interface { // UpdateState can be omitted. UpdateState(State) error // ReportError notifies the ClientConn that the Resolver encountered an - // error. The ClientConn will notify the load balancer and begin calling - // ResolveNow on the Resolver with exponential backoff. + // error. The ClientConn then forwards this error to the load balancing + // policy. ReportError(error) // NewAddress is called by resolver to notify ClientConn a new list // of resolved addresses. @@ -330,3 +331,20 @@ type AuthorityOverrider interface { // typically in line, and must keep it unchanged. OverrideAuthority(Target) string } + +// ValidateEndpoints validates endpoints from a petiole policy's perspective. +// Petiole policies should call this before calling into their children. See +// [gRPC A61](https://github.com/grpc/proposal/blob/master/A61-IPv4-IPv6-dualstack-backends.md) +// for details. +func ValidateEndpoints(endpoints []Endpoint) error { + if len(endpoints) == 0 { + return errors.New("endpoints list is empty") + } + + for _, endpoint := range endpoints { + for range endpoint.Addresses { + return nil + } + } + return errors.New("endpoints list contains no addresses") +} diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go index db8865ec3..9fac2b08b 100644 --- a/vendor/google.golang.org/grpc/rpc_util.go +++ b/vendor/google.golang.org/grpc/rpc_util.go @@ -220,8 +220,8 @@ type HeaderCallOption struct { HeaderAddr *metadata.MD } -func (o HeaderCallOption) before(c *callInfo) error { return nil } -func (o HeaderCallOption) after(c *callInfo, attempt *csAttempt) { +func (o HeaderCallOption) before(*callInfo) error { return nil } +func (o HeaderCallOption) after(_ *callInfo, attempt *csAttempt) { *o.HeaderAddr, _ = attempt.s.Header() } @@ -242,8 +242,8 @@ type TrailerCallOption struct { TrailerAddr *metadata.MD } -func (o TrailerCallOption) before(c *callInfo) error { return nil } -func (o TrailerCallOption) after(c *callInfo, attempt *csAttempt) { +func (o TrailerCallOption) before(*callInfo) error { return nil } +func (o TrailerCallOption) after(_ *callInfo, attempt *csAttempt) { *o.TrailerAddr = attempt.s.Trailer() } @@ -264,8 +264,8 @@ type PeerCallOption struct { PeerAddr *peer.Peer } -func (o PeerCallOption) before(c *callInfo) error { return nil } -func (o PeerCallOption) after(c *callInfo, attempt *csAttempt) { +func (o PeerCallOption) before(*callInfo) error { return nil } +func (o PeerCallOption) after(_ *callInfo, attempt *csAttempt) { if x, ok := peer.FromContext(attempt.s.Context()); ok { *o.PeerAddr = *x } @@ -304,7 +304,7 @@ func (o FailFastCallOption) before(c *callInfo) error { c.failFast = o.FailFast return nil } -func (o FailFastCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o FailFastCallOption) after(*callInfo, *csAttempt) {} // OnFinish returns a CallOption that configures a callback to be called when // the call completes. The error passed to the callback is the status of the @@ -339,7 +339,7 @@ func (o OnFinishCallOption) before(c *callInfo) error { return nil } -func (o OnFinishCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o OnFinishCallOption) after(*callInfo, *csAttempt) {} // MaxCallRecvMsgSize returns a CallOption which sets the maximum message size // in bytes the client can receive. If this is not set, gRPC uses the default @@ -363,7 +363,7 @@ func (o MaxRecvMsgSizeCallOption) before(c *callInfo) error { c.maxReceiveMessageSize = &o.MaxRecvMsgSize return nil } -func (o MaxRecvMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o MaxRecvMsgSizeCallOption) after(*callInfo, *csAttempt) {} // MaxCallSendMsgSize returns a CallOption which sets the maximum message size // in bytes the client can send. If this is not set, gRPC uses the default @@ -387,7 +387,7 @@ func (o MaxSendMsgSizeCallOption) before(c *callInfo) error { c.maxSendMessageSize = &o.MaxSendMsgSize return nil } -func (o MaxSendMsgSizeCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o MaxSendMsgSizeCallOption) after(*callInfo, *csAttempt) {} // PerRPCCredentials returns a CallOption that sets credentials.PerRPCCredentials // for a call. @@ -410,7 +410,7 @@ func (o PerRPCCredsCallOption) before(c *callInfo) error { c.creds = o.Creds return nil } -func (o PerRPCCredsCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o PerRPCCredsCallOption) after(*callInfo, *csAttempt) {} // UseCompressor returns a CallOption which sets the compressor used when // sending the request. If WithCompressor is also set, UseCompressor has @@ -438,7 +438,7 @@ func (o CompressorCallOption) before(c *callInfo) error { c.compressorType = o.CompressorType return nil } -func (o CompressorCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o CompressorCallOption) after(*callInfo, *csAttempt) {} // CallContentSubtype returns a CallOption that will set the content-subtype // for a call. For example, if content-subtype is "json", the Content-Type over @@ -475,7 +475,7 @@ func (o ContentSubtypeCallOption) before(c *callInfo) error { c.contentSubtype = o.ContentSubtype return nil } -func (o ContentSubtypeCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o ContentSubtypeCallOption) after(*callInfo, *csAttempt) {} // ForceCodec returns a CallOption that will set codec to be used for all // request and response messages for a call. The result of calling Name() will @@ -514,7 +514,7 @@ func (o ForceCodecCallOption) before(c *callInfo) error { c.codec = newCodecV1Bridge(o.Codec) return nil } -func (o ForceCodecCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o ForceCodecCallOption) after(*callInfo, *csAttempt) {} // ForceCodecV2 returns a CallOption that will set codec to be used for all // request and response messages for a call. The result of calling Name() will @@ -554,7 +554,7 @@ func (o ForceCodecV2CallOption) before(c *callInfo) error { return nil } -func (o ForceCodecV2CallOption) after(c *callInfo, attempt *csAttempt) {} +func (o ForceCodecV2CallOption) after(*callInfo, *csAttempt) {} // CallCustomCodec behaves like ForceCodec, but accepts a grpc.Codec instead of // an encoding.Codec. @@ -579,7 +579,7 @@ func (o CustomCodecCallOption) before(c *callInfo) error { c.codec = newCodecV0Bridge(o.Codec) return nil } -func (o CustomCodecCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o CustomCodecCallOption) after(*callInfo, *csAttempt) {} // MaxRetryRPCBufferSize returns a CallOption that limits the amount of memory // used for buffering this RPC's requests for retry purposes. @@ -607,7 +607,7 @@ func (o MaxRetryRPCBufferSizeCallOption) before(c *callInfo) error { c.maxRetryRPCBufferSize = o.MaxRetryRPCBufferSize return nil } -func (o MaxRetryRPCBufferSizeCallOption) after(c *callInfo, attempt *csAttempt) {} +func (o MaxRetryRPCBufferSizeCallOption) after(*callInfo, *csAttempt) {} // The format of the payload: compressed or not? type payloadFormat uint8 @@ -622,7 +622,7 @@ func (pf payloadFormat) isCompressed() bool { } type streamReader interface { - ReadHeader(header []byte) error + ReadMessageHeader(header []byte) error Read(n int) (mem.BufferSlice, error) } @@ -656,7 +656,7 @@ type parser struct { // that the underlying streamReader must not return an incompatible // error. func (p *parser) recvMsg(maxReceiveMessageSize int) (payloadFormat, mem.BufferSlice, error) { - err := p.r.ReadHeader(p.header[:]) + err := p.r.ReadMessageHeader(p.header[:]) if err != nil { return 0, nil, err } @@ -664,9 +664,6 @@ func (p *parser) recvMsg(maxReceiveMessageSize int) (payloadFormat, mem.BufferSl pf := payloadFormat(p.header[0]) length := binary.BigEndian.Uint32(p.header[1:]) - if length == 0 { - return pf, nil, nil - } if int64(length) > int64(maxInt) { return 0, nil, status.Errorf(codes.ResourceExhausted, "grpc: received message larger than max length allowed on current machine (%d vs. %d)", length, maxInt) } @@ -791,9 +788,8 @@ func checkRecvPayload(pf payloadFormat, recvCompress string, haveCompressor bool if !haveCompressor { if isServer { return status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress) - } else { - return status.Newf(codes.Internal, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress) } + return status.Newf(codes.Internal, "grpc: Decompressor is not installed for grpc-encoding %q", recvCompress) } default: return status.Newf(codes.Internal, "grpc: received unexpected payload format %d", pf) @@ -818,7 +814,7 @@ func (p *payloadInfo) free() { // the buffer is no longer needed. // TODO: Refactor this function to reduce the number of arguments. // See: https://google.github.io/styleguide/go/best-practices.html#function-argument-lists -func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool, +func recvAndDecompress(p *parser, s recvCompressor, dc Decompressor, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool, ) (out mem.BufferSlice, err error) { pf, compressed, err := p.recvMsg(maxReceiveMessageSize) if err != nil { @@ -842,7 +838,7 @@ func recvAndDecompress(p *parser, s *transport.Stream, dc Decompressor, maxRecei var uncompressedBuf []byte uncompressedBuf, err = dc.Do(compressed.Reader()) if err == nil { - out = mem.BufferSlice{mem.NewBuffer(&uncompressedBuf, nil)} + out = mem.BufferSlice{mem.SliceBuffer(uncompressedBuf)} } size = len(uncompressedBuf) } else { @@ -878,30 +874,7 @@ func decompress(compressor encoding.Compressor, d mem.BufferSlice, maxReceiveMes return nil, 0, err } - // TODO: Can/should this still be preserved with the new BufferSlice API? Are - // there any actual benefits to allocating a single large buffer instead of - // multiple smaller ones? - //if sizer, ok := compressor.(interface { - // DecompressedSize(compressedBytes []byte) int - //}); ok { - // if size := sizer.DecompressedSize(d); size >= 0 { - // if size > maxReceiveMessageSize { - // return nil, size, nil - // } - // // size is used as an estimate to size the buffer, but we - // // will read more data if available. - // // +MinRead so ReadFrom will not reallocate if size is correct. - // // - // // TODO: If we ensure that the buffer size is the same as the DecompressedSize, - // // we can also utilize the recv buffer pool here. - // buf := bytes.NewBuffer(make([]byte, 0, size+bytes.MinRead)) - // bytesRead, err := buf.ReadFrom(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1)) - // return buf.Bytes(), int(bytesRead), err - // } - //} - - var out mem.BufferSlice - _, err = io.Copy(mem.NewWriter(&out, pool), io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1)) + out, err := mem.ReadAll(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1), pool) if err != nil { out.Free() return nil, 0, err @@ -909,10 +882,14 @@ func decompress(compressor encoding.Compressor, d mem.BufferSlice, maxReceiveMes return out, out.Len(), nil } +type recvCompressor interface { + RecvCompress() string +} + // For the two compressor parameters, both should not be set, but if they are, // dc takes precedence over compressor. // TODO(dfawley): wrap the old compressor/decompressor using the new API? -func recv(p *parser, c baseCodec, s *transport.Stream, dc Decompressor, m any, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool) error { +func recv(p *parser, c baseCodec, s recvCompressor, dc Decompressor, m any, maxReceiveMessageSize int, payInfo *payloadInfo, compressor encoding.Compressor, isServer bool) error { data, err := recvAndDecompress(p, s, dc, maxReceiveMessageSize, payInfo, compressor, isServer) if err != nil { return err diff --git a/vendor/google.golang.org/grpc/server.go b/vendor/google.golang.org/grpc/server.go index 457d27338..16065a027 100644 --- a/vendor/google.golang.org/grpc/server.go +++ b/vendor/google.golang.org/grpc/server.go @@ -87,12 +87,13 @@ func init() { var statusOK = status.New(codes.OK, "") var logger = grpclog.Component("core") -type methodHandler func(srv any, ctx context.Context, dec func(any) error, interceptor UnaryServerInterceptor) (any, error) +// MethodHandler is a function type that processes a unary RPC method call. +type MethodHandler func(srv any, ctx context.Context, dec func(any) error, interceptor UnaryServerInterceptor) (any, error) // MethodDesc represents an RPC service's method specification. type MethodDesc struct { MethodName string - Handler methodHandler + Handler MethodHandler } // ServiceDesc represents an RPC service's specification. @@ -621,8 +622,8 @@ func bufferPool(bufferPool mem.BufferPool) ServerOption { // workload (assuming a QPS of a few thousand requests/sec). const serverWorkerResetThreshold = 1 << 16 -// serverWorker blocks on a *transport.Stream channel forever and waits for -// data to be fed by serveStreams. This allows multiple requests to be +// serverWorker blocks on a *transport.ServerStream channel forever and waits +// for data to be fed by serveStreams. This allows multiple requests to be // processed by the same goroutine, removing the need for expensive stack // re-allocations (see the runtime.morestack problem [1]). // @@ -1020,7 +1021,7 @@ func (s *Server) serveStreams(ctx context.Context, st transport.ServerTransport, }() streamQuota := newHandlerQuota(s.opts.maxConcurrentStreams) - st.HandleStreams(ctx, func(stream *transport.Stream) { + st.HandleStreams(ctx, func(stream *transport.ServerStream) { s.handlersWG.Add(1) streamQuota.acquire() f := func() { @@ -1136,7 +1137,7 @@ func (s *Server) incrCallsFailed() { s.channelz.ServerMetrics.CallsFailed.Add(1) } -func (s *Server) sendResponse(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, msg any, cp Compressor, opts *transport.Options, comp encoding.Compressor) error { +func (s *Server) sendResponse(ctx context.Context, stream *transport.ServerStream, msg any, cp Compressor, opts *transport.WriteOptions, comp encoding.Compressor) error { data, err := encode(s.getCodec(stream.ContentSubtype()), msg) if err != nil { channelz.Error(logger, s.channelz, "grpc: server failed to encode response: ", err) @@ -1165,7 +1166,7 @@ func (s *Server) sendResponse(ctx context.Context, t transport.ServerTransport, if payloadLen > s.opts.maxSendMessageSize { return status.Errorf(codes.ResourceExhausted, "grpc: trying to send message larger than max (%d vs. %d)", payloadLen, s.opts.maxSendMessageSize) } - err = t.Write(stream, hdr, payload, opts) + err = stream.Write(hdr, payload, opts) if err == nil { if len(s.opts.statsHandlers) != 0 { for _, sh := range s.opts.statsHandlers { @@ -1212,7 +1213,7 @@ func getChainUnaryHandler(interceptors []UnaryServerInterceptor, curr int, info } } -func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) { +func (s *Server) processUnaryRPC(ctx context.Context, stream *transport.ServerStream, info *serviceInfo, md *MethodDesc, trInfo *traceInfo) (err error) { shs := s.opts.statsHandlers if len(shs) != 0 || trInfo != nil || channelz.IsOn() { if channelz.IsOn() { @@ -1320,7 +1321,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor decomp = encoding.GetCompressor(rc) if decomp == nil { st := status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", rc) - t.WriteStatus(stream, st) + stream.WriteStatus(st) return st.Err() } } @@ -1354,14 +1355,12 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor d, err := recvAndDecompress(&parser{r: stream, bufferPool: s.opts.bufferPool}, stream, dc, s.opts.maxReceiveMessageSize, payInfo, decomp, true) if err != nil { - if e := t.WriteStatus(stream, status.Convert(err)); e != nil { + if e := stream.WriteStatus(status.Convert(err)); e != nil { channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e) } return err } - if channelz.IsOn() { - t.IncrMsgRecv() - } + defer d.Free() df := func(v any) error { if err := s.getCodec(stream.ContentSubtype()).Unmarshal(d, v); err != nil { return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err) @@ -1403,7 +1402,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor trInfo.tr.LazyLog(stringer(appStatus.Message()), true) trInfo.tr.SetError() } - if e := t.WriteStatus(stream, appStatus); e != nil { + if e := stream.WriteStatus(appStatus); e != nil { channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e) } if len(binlogs) != 0 { @@ -1430,20 +1429,20 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor if trInfo != nil { trInfo.tr.LazyLog(stringer("OK"), false) } - opts := &transport.Options{Last: true} + opts := &transport.WriteOptions{Last: true} // Server handler could have set new compressor by calling SetSendCompressor. // In case it is set, we need to use it for compressing outbound message. if stream.SendCompress() != sendCompressorName { comp = encoding.GetCompressor(stream.SendCompress()) } - if err := s.sendResponse(ctx, t, stream, reply, cp, opts, comp); err != nil { + if err := s.sendResponse(ctx, stream, reply, cp, opts, comp); err != nil { if err == io.EOF { // The entire stream is done (for unary RPC only). return err } if sts, ok := status.FromError(err); ok { - if e := t.WriteStatus(stream, sts); e != nil { + if e := stream.WriteStatus(sts); e != nil { channelz.Warningf(logger, s.channelz, "grpc: Server.processUnaryRPC failed to write status: %v", e) } } else { @@ -1483,9 +1482,6 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor binlog.Log(ctx, sm) } } - if channelz.IsOn() { - t.IncrMsgSent() - } if trInfo != nil { trInfo.tr.LazyLog(&payload{sent: true, msg: reply}, true) } @@ -1501,7 +1497,7 @@ func (s *Server) processUnaryRPC(ctx context.Context, t transport.ServerTranspor binlog.Log(ctx, st) } } - return t.WriteStatus(stream, statusOK) + return stream.WriteStatus(statusOK) } // chainStreamServerInterceptors chains all stream server interceptors into one. @@ -1540,7 +1536,7 @@ func getChainStreamHandler(interceptors []StreamServerInterceptor, curr int, inf } } -func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTransport, stream *transport.Stream, info *serviceInfo, sd *StreamDesc, trInfo *traceInfo) (err error) { +func (s *Server) processStreamingRPC(ctx context.Context, stream *transport.ServerStream, info *serviceInfo, sd *StreamDesc, trInfo *traceInfo) (err error) { if channelz.IsOn() { s.incrCallsStarted() } @@ -1560,7 +1556,6 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran ctx = NewContextWithServerTransportStream(ctx, stream) ss := &serverStream{ ctx: ctx, - t: t, s: stream, p: &parser{r: stream, bufferPool: s.opts.bufferPool}, codec: s.getCodec(stream.ContentSubtype()), @@ -1647,7 +1642,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran ss.decomp = encoding.GetCompressor(rc) if ss.decomp == nil { st := status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", rc) - t.WriteStatus(ss.s, st) + ss.s.WriteStatus(st) return st.Err() } } @@ -1716,7 +1711,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran binlog.Log(ctx, st) } } - t.WriteStatus(ss.s, appStatus) + ss.s.WriteStatus(appStatus) // TODO: Should we log an error from WriteStatus here and below? return appErr } @@ -1734,10 +1729,10 @@ func (s *Server) processStreamingRPC(ctx context.Context, t transport.ServerTran binlog.Log(ctx, st) } } - return t.WriteStatus(ss.s, statusOK) + return ss.s.WriteStatus(statusOK) } -func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Stream) { +func (s *Server) handleStream(t transport.ServerTransport, stream *transport.ServerStream) { ctx := stream.Context() ctx = contextWithServer(ctx, s) var ti *traceInfo @@ -1767,7 +1762,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str ti.tr.SetError() } errDesc := fmt.Sprintf("malformed method name: %q", stream.Method()) - if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil { + if err := stream.WriteStatus(status.New(codes.Unimplemented, errDesc)); err != nil { if ti != nil { ti.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) ti.tr.SetError() @@ -1782,17 +1777,20 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str service := sm[:pos] method := sm[pos+1:] - md, _ := metadata.FromIncomingContext(ctx) - for _, sh := range s.opts.statsHandlers { - ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: stream.Method()}) - sh.HandleRPC(ctx, &stats.InHeader{ - FullMethod: stream.Method(), - RemoteAddr: t.Peer().Addr, - LocalAddr: t.Peer().LocalAddr, - Compression: stream.RecvCompress(), - WireLength: stream.HeaderWireLength(), - Header: md, - }) + // FromIncomingContext is expensive: skip if there are no statsHandlers + if len(s.opts.statsHandlers) > 0 { + md, _ := metadata.FromIncomingContext(ctx) + for _, sh := range s.opts.statsHandlers { + ctx = sh.TagRPC(ctx, &stats.RPCTagInfo{FullMethodName: stream.Method()}) + sh.HandleRPC(ctx, &stats.InHeader{ + FullMethod: stream.Method(), + RemoteAddr: t.Peer().Addr, + LocalAddr: t.Peer().LocalAddr, + Compression: stream.RecvCompress(), + WireLength: stream.HeaderWireLength(), + Header: md, + }) + } } // To have calls in stream callouts work. Will delete once all stats handler // calls come from the gRPC layer. @@ -1801,17 +1799,17 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str srv, knownService := s.services[service] if knownService { if md, ok := srv.methods[method]; ok { - s.processUnaryRPC(ctx, t, stream, srv, md, ti) + s.processUnaryRPC(ctx, stream, srv, md, ti) return } if sd, ok := srv.streams[method]; ok { - s.processStreamingRPC(ctx, t, stream, srv, sd, ti) + s.processStreamingRPC(ctx, stream, srv, sd, ti) return } } // Unknown service, or known server unknown method. if unknownDesc := s.opts.unknownStreamDesc; unknownDesc != nil { - s.processStreamingRPC(ctx, t, stream, nil, unknownDesc, ti) + s.processStreamingRPC(ctx, stream, nil, unknownDesc, ti) return } var errDesc string @@ -1824,7 +1822,7 @@ func (s *Server) handleStream(t transport.ServerTransport, stream *transport.Str ti.tr.LazyPrintf("%s", errDesc) ti.tr.SetError() } - if err := t.WriteStatus(stream, status.New(codes.Unimplemented, errDesc)); err != nil { + if err := stream.WriteStatus(status.New(codes.Unimplemented, errDesc)); err != nil { if ti != nil { ti.tr.LazyLog(&fmtStringer{"%v", []any{err}}, true) ti.tr.SetError() @@ -2099,7 +2097,7 @@ func SendHeader(ctx context.Context, md metadata.MD) error { // Notice: This function is EXPERIMENTAL and may be changed or removed in a // later release. func SetSendCompressor(ctx context.Context, name string) error { - stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream) + stream, ok := ServerTransportStreamFromContext(ctx).(*transport.ServerStream) if !ok || stream == nil { return fmt.Errorf("failed to fetch the stream from the given context") } @@ -2121,7 +2119,7 @@ func SetSendCompressor(ctx context.Context, name string) error { // Notice: This function is EXPERIMENTAL and may be changed or removed in a // later release. func ClientSupportedCompressors(ctx context.Context) ([]string, error) { - stream, ok := ServerTransportStreamFromContext(ctx).(*transport.Stream) + stream, ok := ServerTransportStreamFromContext(ctx).(*transport.ServerStream) if !ok || stream == nil { return nil, fmt.Errorf("failed to fetch the stream from the given context %v", ctx) } diff --git a/vendor/google.golang.org/grpc/service_config.go b/vendor/google.golang.org/grpc/service_config.go index 2671c5ef6..7e83027d1 100644 --- a/vendor/google.golang.org/grpc/service_config.go +++ b/vendor/google.golang.org/grpc/service_config.go @@ -168,6 +168,7 @@ func init() { return parseServiceConfig(js, defaultMaxCallAttempts) } } + func parseServiceConfig(js string, maxAttempts int) *serviceconfig.ParseResult { if len(js) == 0 { return &serviceconfig.ParseResult{Err: fmt.Errorf("no JSON service config provided")} @@ -297,7 +298,7 @@ func convertRetryPolicy(jrp *jsonRetryPolicy, maxAttempts int) (p *internalservi return rp, nil } -func min(a, b *int) *int { +func minPointers(a, b *int) *int { if *a < *b { return a } @@ -309,7 +310,7 @@ func getMaxSize(mcMax, doptMax *int, defaultVal int) *int { return &defaultVal } if mcMax != nil && doptMax != nil { - return min(mcMax, doptMax) + return minPointers(mcMax, doptMax) } if mcMax != nil { return mcMax diff --git a/vendor/google.golang.org/grpc/stats/metrics.go b/vendor/google.golang.org/grpc/stats/metrics.go new file mode 100644 index 000000000..641c8e979 --- /dev/null +++ b/vendor/google.golang.org/grpc/stats/metrics.go @@ -0,0 +1,81 @@ +/* + * Copyright 2024 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 stats + +import "maps" + +// MetricSet is a set of metrics to record. Once created, MetricSet is immutable, +// however Add and Remove can make copies with specific metrics added or +// removed, respectively. +// +// Do not construct directly; use NewMetricSet instead. +type MetricSet struct { + // metrics are the set of metrics to initialize. + metrics map[string]bool +} + +// NewMetricSet returns a MetricSet containing metricNames. +func NewMetricSet(metricNames ...string) *MetricSet { + newMetrics := make(map[string]bool) + for _, metric := range metricNames { + newMetrics[metric] = true + } + return &MetricSet{metrics: newMetrics} +} + +// Metrics returns the metrics set. The returned map is read-only and must not +// be modified. +func (m *MetricSet) Metrics() map[string]bool { + return m.metrics +} + +// Add adds the metricNames to the metrics set and returns a new copy with the +// additional metrics. +func (m *MetricSet) Add(metricNames ...string) *MetricSet { + newMetrics := make(map[string]bool) + for metric := range m.metrics { + newMetrics[metric] = true + } + + for _, metric := range metricNames { + newMetrics[metric] = true + } + return &MetricSet{metrics: newMetrics} +} + +// Join joins the metrics passed in with the metrics set, and returns a new copy +// with the merged metrics. +func (m *MetricSet) Join(metrics *MetricSet) *MetricSet { + newMetrics := make(map[string]bool) + maps.Copy(newMetrics, m.metrics) + maps.Copy(newMetrics, metrics.metrics) + return &MetricSet{metrics: newMetrics} +} + +// Remove removes the metricNames from the metrics set and returns a new copy +// with the metrics removed. +func (m *MetricSet) Remove(metricNames ...string) *MetricSet { + newMetrics := make(map[string]bool) + for metric := range m.metrics { + newMetrics[metric] = true + } + + for _, metric := range metricNames { + delete(newMetrics, metric) + } + return &MetricSet{metrics: newMetrics} +} diff --git a/vendor/google.golang.org/grpc/stats/stats.go b/vendor/google.golang.org/grpc/stats/stats.go index 71195c494..6f20d2d54 100644 --- a/vendor/google.golang.org/grpc/stats/stats.go +++ b/vendor/google.golang.org/grpc/stats/stats.go @@ -260,84 +260,42 @@ func (s *ConnEnd) IsClient() bool { return s.Client } func (s *ConnEnd) isConnStats() {} -type incomingTagsKey struct{} -type outgoingTagsKey struct{} - // SetTags attaches stats tagging data to the context, which will be sent in // the outgoing RPC with the header grpc-tags-bin. Subsequent calls to // SetTags will overwrite the values from earlier calls. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: set the `grpc-tags-bin` header in the metadata instead. func SetTags(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, outgoingTagsKey{}, b) + return metadata.AppendToOutgoingContext(ctx, "grpc-tags-bin", string(b)) } // Tags returns the tags from the context for the inbound RPC. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: obtain the `grpc-tags-bin` header from metadata instead. func Tags(ctx context.Context) []byte { - b, _ := ctx.Value(incomingTagsKey{}).([]byte) - return b -} - -// SetIncomingTags attaches stats tagging data to the context, to be read by -// the application (not sent in outgoing RPCs). -// -// This is intended for gRPC-internal use ONLY. -func SetIncomingTags(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, incomingTagsKey{}, b) -} - -// OutgoingTags returns the tags from the context for the outbound RPC. -// -// This is intended for gRPC-internal use ONLY. -func OutgoingTags(ctx context.Context) []byte { - b, _ := ctx.Value(outgoingTagsKey{}).([]byte) - return b + traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-tags-bin") + if len(traceValues) == 0 { + return nil + } + return []byte(traceValues[len(traceValues)-1]) } -type incomingTraceKey struct{} -type outgoingTraceKey struct{} - // SetTrace attaches stats tagging data to the context, which will be sent in // the outgoing RPC with the header grpc-trace-bin. Subsequent calls to // SetTrace will overwrite the values from earlier calls. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: set the `grpc-trace-bin` header in the metadata instead. func SetTrace(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, outgoingTraceKey{}, b) + return metadata.AppendToOutgoingContext(ctx, "grpc-trace-bin", string(b)) } // Trace returns the trace from the context for the inbound RPC. // -// NOTE: this is provided only for backward compatibility with existing clients -// and will likely be removed in an upcoming release. New uses should transmit -// this type of data using metadata with a different, non-reserved (i.e. does -// not begin with "grpc-") header name. +// Deprecated: obtain the `grpc-trace-bin` header from metadata instead. func Trace(ctx context.Context) []byte { - b, _ := ctx.Value(incomingTraceKey{}).([]byte) - return b -} - -// SetIncomingTrace attaches stats tagging data to the context, to be read by -// the application (not sent in outgoing RPCs). It is intended for -// gRPC-internal use. -func SetIncomingTrace(ctx context.Context, b []byte) context.Context { - return context.WithValue(ctx, incomingTraceKey{}, b) -} - -// OutgoingTrace returns the trace from the context for the outbound RPC. It is -// intended for gRPC-internal use. -func OutgoingTrace(ctx context.Context) []byte { - b, _ := ctx.Value(outgoingTraceKey{}).([]byte) - return b + traceValues := metadata.ValueFromIncomingContext(ctx, "grpc-trace-bin") + if len(traceValues) == 0 { + return nil + } + return []byte(traceValues[len(traceValues)-1]) } diff --git a/vendor/google.golang.org/grpc/stream.go b/vendor/google.golang.org/grpc/stream.go index bb2b2a216..17e2267b3 100644 --- a/vendor/google.golang.org/grpc/stream.go +++ b/vendor/google.golang.org/grpc/stream.go @@ -23,7 +23,7 @@ import ( "errors" "io" "math" - "math/rand" + rand "math/rand/v2" "strconv" "sync" "time" @@ -113,7 +113,9 @@ type ClientStream interface { // SendMsg is generally called by generated code. On error, SendMsg aborts // the stream. If the error was generated by the client, the status is // returned directly; otherwise, io.EOF is returned and the status of - // the stream may be discovered using RecvMsg. + // the stream may be discovered using RecvMsg. For unary or server-streaming + // RPCs (StreamDesc.ClientStreams is false), a nil error is returned + // unconditionally. // // SendMsg blocks until: // - There is sufficient flow control to schedule m with the transport, or @@ -216,7 +218,7 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth var mc serviceconfig.MethodConfig var onCommit func() - var newStream = func(ctx context.Context, done func()) (iresolver.ClientStream, error) { + newStream := func(ctx context.Context, done func()) (iresolver.ClientStream, error) { return newClientStreamWithParams(ctx, desc, cc, method, mc, onCommit, done, opts...) } @@ -584,7 +586,7 @@ type csAttempt struct { ctx context.Context cs *clientStream t transport.ClientTransport - s *transport.Stream + s *transport.ClientStream p *parser pickResult balancer.PickResult @@ -706,11 +708,10 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) { cs.numRetriesSincePushback = 0 } else { fact := math.Pow(rp.BackoffMultiplier, float64(cs.numRetriesSincePushback)) - cur := float64(rp.InitialBackoff) * fact - if max := float64(rp.MaxBackoff); cur > max { - cur = max - } - dur = time.Duration(rand.Int63n(int64(cur))) + cur := min(float64(rp.InitialBackoff)*fact, float64(rp.MaxBackoff)) + // Apply jitter by multiplying with a random factor between 0.8 and 1.2 + cur *= 0.8 + 0.4*rand.Float64() + dur = time.Duration(int64(cur)) cs.numRetriesSincePushback++ } @@ -991,7 +992,7 @@ func (cs *clientStream) CloseSend() error { } cs.sentLast = true op := func(a *csAttempt) error { - a.t.Write(a.s, nil, nil, &transport.Options{Last: true}) + a.s.Write(nil, nil, &transport.WriteOptions{Last: true}) // Always return nil; io.EOF is the only error that might make sense // instead, but there is no need to signal the client to call RecvMsg // as the only use left for the stream after CloseSend is to call @@ -1083,7 +1084,7 @@ func (a *csAttempt) sendMsg(m any, hdr []byte, payld mem.BufferSlice, dataLength } a.mu.Unlock() } - if err := a.t.Write(a.s, hdr, payld, &transport.Options{Last: !cs.desc.ClientStreams}); err != nil { + if err := a.s.Write(hdr, payld, &transport.WriteOptions{Last: !cs.desc.ClientStreams}); err != nil { if !cs.desc.ClientStreams { // For non-client-streaming RPCs, we return nil instead of EOF on error // because the generated code requires it. finish is not called; RecvMsg() @@ -1097,9 +1098,6 @@ func (a *csAttempt) sendMsg(m any, hdr []byte, payld mem.BufferSlice, dataLength sh.HandleRPC(a.ctx, outPayload(true, m, dataLength, payloadLength, time.Now())) } } - if channelz.IsOn() { - a.t.IncrMsgSent() - } return nil } @@ -1153,9 +1151,6 @@ func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) { Length: payInfo.uncompressedBytes.Len(), }) } - if channelz.IsOn() { - a.t.IncrMsgRecv() - } if cs.desc.ServerStreams { // Subsequent messages should be received by subsequent RecvMsg calls. return nil @@ -1183,7 +1178,7 @@ func (a *csAttempt) finish(err error) { } var tr metadata.MD if a.s != nil { - a.t.CloseStream(a.s, err) + a.s.Close(err) tr = a.s.Trailer() } @@ -1340,7 +1335,7 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin } type addrConnStream struct { - s *transport.Stream + s *transport.ClientStream ac *addrConn callHdr *transport.CallHdr cancel context.CancelFunc @@ -1380,7 +1375,7 @@ func (as *addrConnStream) CloseSend() error { } as.sentLast = true - as.t.Write(as.s, nil, nil, &transport.Options{Last: true}) + as.s.Write(nil, nil, &transport.WriteOptions{Last: true}) // Always return nil; io.EOF is the only error that might make sense // instead, but there is no need to signal the client to call RecvMsg // as the only use left for the stream after CloseSend is to call @@ -1430,7 +1425,7 @@ func (as *addrConnStream) SendMsg(m any) (err error) { return status.Errorf(codes.ResourceExhausted, "trying to send message larger than max (%d vs. %d)", payload.Len(), *as.callInfo.maxSendMessageSize) } - if err := as.t.Write(as.s, hdr, payload, &transport.Options{Last: !as.desc.ClientStreams}); err != nil { + if err := as.s.Write(hdr, payload, &transport.WriteOptions{Last: !as.desc.ClientStreams}); err != nil { if !as.desc.ClientStreams { // For non-client-streaming RPCs, we return nil instead of EOF on error // because the generated code requires it. finish is not called; RecvMsg() @@ -1440,9 +1435,6 @@ func (as *addrConnStream) SendMsg(m any) (err error) { return io.EOF } - if channelz.IsOn() { - as.t.IncrMsgSent() - } return nil } @@ -1480,9 +1472,6 @@ func (as *addrConnStream) RecvMsg(m any) (err error) { return toRPCErr(err) } - if channelz.IsOn() { - as.t.IncrMsgRecv() - } if as.desc.ServerStreams { // Subsequent messages should be received by subsequent RecvMsg calls. return nil @@ -1510,7 +1499,7 @@ func (as *addrConnStream) finish(err error) { err = nil } if as.s != nil { - as.t.CloseStream(as.s, err) + as.s.Close(err) } if err != nil { @@ -1577,8 +1566,7 @@ type ServerStream interface { // serverStream implements a server side Stream. type serverStream struct { ctx context.Context - t transport.ServerTransport - s *transport.Stream + s *transport.ServerStream p *parser codec baseCodec @@ -1628,7 +1616,7 @@ func (ss *serverStream) SendHeader(md metadata.MD) error { return status.Error(codes.Internal, err.Error()) } - err = ss.t.WriteHeader(ss.s, md) + err = ss.s.SendHeader(md) if len(ss.binlogs) != 0 && !ss.serverHeaderBinlogged { h, _ := ss.s.Header() sh := &binarylog.ServerHeader{ @@ -1668,7 +1656,7 @@ func (ss *serverStream) SendMsg(m any) (err error) { } if err != nil && err != io.EOF { st, _ := status.FromError(toRPCErr(err)) - ss.t.WriteStatus(ss.s, st) + ss.s.WriteStatus(st) // Non-user specified status was sent out. This should be an error // case (as a server side Cancel maybe). // @@ -1676,9 +1664,6 @@ func (ss *serverStream) SendMsg(m any) (err error) { // status from the service handler, we will log that error instead. // This behavior is similar to an interceptor. } - if channelz.IsOn() && err == nil { - ss.t.IncrMsgSent() - } }() // Server handler could have set new compressor by calling SetSendCompressor. @@ -1710,7 +1695,7 @@ func (ss *serverStream) SendMsg(m any) (err error) { if payloadLen > ss.maxSendMessageSize { return status.Errorf(codes.ResourceExhausted, "trying to send message larger than max (%d vs. %d)", payloadLen, ss.maxSendMessageSize) } - if err := ss.t.Write(ss.s, hdr, payload, &transport.Options{Last: false}); err != nil { + if err := ss.s.Write(hdr, payload, &transport.WriteOptions{Last: false}); err != nil { return toRPCErr(err) } @@ -1756,7 +1741,7 @@ func (ss *serverStream) RecvMsg(m any) (err error) { } if err != nil && err != io.EOF { st, _ := status.FromError(toRPCErr(err)) - ss.t.WriteStatus(ss.s, st) + ss.s.WriteStatus(st) // Non-user specified status was sent out. This should be an error // case (as a server side Cancel maybe). // @@ -1764,9 +1749,6 @@ func (ss *serverStream) RecvMsg(m any) (err error) { // status from the service handler, we will log that error instead. // This behavior is similar to an interceptor. } - if channelz.IsOn() && err == nil { - ss.t.IncrMsgRecv() - } }() var payInfo *payloadInfo if len(ss.statsHandler) != 0 || len(ss.binlogs) != 0 { diff --git a/vendor/google.golang.org/grpc/stream_interfaces.go b/vendor/google.golang.org/grpc/stream_interfaces.go index 8b813529c..0037fee0b 100644 --- a/vendor/google.golang.org/grpc/stream_interfaces.go +++ b/vendor/google.golang.org/grpc/stream_interfaces.go @@ -22,15 +22,35 @@ package grpc // request, many responses) RPC. It is generic over the type of the response // message. It is used in generated code. type ServerStreamingClient[Res any] interface { + // Recv receives the next response message from the server. The client may + // repeatedly call Recv to read messages from the response stream. If + // io.EOF is returned, the stream has terminated with an OK status. Any + // other error is compatible with the status package and indicates the + // RPC's status code and message. Recv() (*Res, error) + + // ClientStream is embedded to provide Context, Header, and Trailer + // functionality. No other methods in the ClientStream should be called + // directly. ClientStream } // ServerStreamingServer represents the server side of a server-streaming (one // request, many responses) RPC. It is generic over the type of the response // message. It is used in generated code. +// +// To terminate the response stream, return from the handler method and return +// an error from the status package, or use nil to indicate an OK status code. type ServerStreamingServer[Res any] interface { + // Send sends a response message to the client. The server handler may + // call Send multiple times to send multiple messages to the client. An + // error is returned if the stream was terminated unexpectedly, and the + // handler method should return, as the stream is no longer usable. Send(*Res) error + + // ServerStream is embedded to provide Context, SetHeader, SendHeader, and + // SetTrailer functionality. No other methods in the ServerStream should + // be called directly. ServerStream } @@ -39,8 +59,22 @@ type ServerStreamingServer[Res any] interface { // message stream and the type of the unary response message. It is used in // generated code. type ClientStreamingClient[Req any, Res any] interface { + // Send sends a request message to the server. The client may call Send + // multiple times to send multiple messages to the server. On error, Send + // aborts the stream. If the error was generated by the client, the status + // is returned directly. Otherwise, io.EOF is returned, and the status of + // the stream may be discovered using CloseAndRecv(). Send(*Req) error + + // CloseAndRecv closes the request stream and waits for the server's + // response. This method must be called once and only once after sending + // all request messages. Any error returned is implemented by the status + // package. CloseAndRecv() (*Res, error) + + // ClientStream is embedded to provide Context, Header, and Trailer + // functionality. No other methods in the ClientStream should be called + // directly. ClientStream } @@ -48,9 +82,28 @@ type ClientStreamingClient[Req any, Res any] interface { // requests, one response) RPC. It is generic over both the type of the request // message stream and the type of the unary response message. It is used in // generated code. +// +// To terminate the RPC, call SendAndClose and return nil from the method +// handler or do not call SendAndClose and return an error from the status +// package. type ClientStreamingServer[Req any, Res any] interface { + // Recv receives the next request message from the client. The server may + // repeatedly call Recv to read messages from the request stream. If + // io.EOF is returned, it indicates the client called CloseAndRecv on its + // ClientStreamingClient. Any other error indicates the stream was + // terminated unexpectedly, and the handler method should return, as the + // stream is no longer usable. Recv() (*Req, error) + + // SendAndClose sends a single response message to the client and closes + // the stream. This method must be called once and only once after all + // request messages have been processed. Recv should not be called after + // calling SendAndClose. SendAndClose(*Res) error + + // ServerStream is embedded to provide Context, SetHeader, SendHeader, and + // SetTrailer functionality. No other methods in the ServerStream should + // be called directly. ServerStream } @@ -59,8 +112,23 @@ type ClientStreamingServer[Req any, Res any] interface { // request message stream and the type of the response message stream. It is // used in generated code. type BidiStreamingClient[Req any, Res any] interface { + // Send sends a request message to the server. The client may call Send + // multiple times to send multiple messages to the server. On error, Send + // aborts the stream. If the error was generated by the client, the status + // is returned directly. Otherwise, io.EOF is returned, and the status of + // the stream may be discovered using Recv(). Send(*Req) error + + // Recv receives the next response message from the server. The client may + // repeatedly call Recv to read messages from the response stream. If + // io.EOF is returned, the stream has terminated with an OK status. Any + // other error is compatible with the status package and indicates the + // RPC's status code and message. Recv() (*Res, error) + + // ClientStream is embedded to provide Context, Header, Trailer, and + // CloseSend functionality. No other methods in the ClientStream should be + // called directly. ClientStream } @@ -68,9 +136,27 @@ type BidiStreamingClient[Req any, Res any] interface { // (many requests, many responses) RPC. It is generic over both the type of the // request message stream and the type of the response message stream. It is // used in generated code. +// +// To terminate the stream, return from the handler method and return +// an error from the status package, or use nil to indicate an OK status code. type BidiStreamingServer[Req any, Res any] interface { + // Recv receives the next request message from the client. The server may + // repeatedly call Recv to read messages from the request stream. If + // io.EOF is returned, it indicates the client called CloseSend on its + // BidiStreamingClient. Any other error indicates the stream was + // terminated unexpectedly, and the handler method should return, as the + // stream is no longer usable. Recv() (*Req, error) + + // Send sends a response message to the client. The server handler may + // call Send multiple times to send multiple messages to the client. An + // error is returned if the stream was terminated unexpectedly, and the + // handler method should return, as the stream is no longer usable. Send(*Res) error + + // ServerStream is embedded to provide Context, SetHeader, SendHeader, and + // SetTrailer functionality. No other methods in the ServerStream should + // be called directly. ServerStream } diff --git a/vendor/google.golang.org/grpc/version.go b/vendor/google.golang.org/grpc/version.go index 03f931834..d2bba7f3d 100644 --- a/vendor/google.golang.org/grpc/version.go +++ b/vendor/google.golang.org/grpc/version.go @@ -19,4 +19,4 @@ package grpc // Version is the current grpc version. -const Version = "1.66.1" +const Version = "1.69.4" |