build: go 1.24

We were running behind and there were quite some deprecations to update.
This was mostly in the upstream copy/pasta package but seems quite
minimal.

vendor/google.golang.org/genproto/googleapis/api/httpbody/httpbody.pb.go

@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

vendor/google.golang.org/genproto/googleapis/rpc/errdetails/error_details.pb.go

@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

vendor/google.golang.org/genproto/googleapis/rpc/status/status.pb.go

@@ -1,4 +1,4 @@
-// Copyright 2024 Google LLC
+// Copyright 2025 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.

vendor/google.golang.org/grpc/balancer/balancer.go

@@ -129,6 +129,13 @@ type State struct {
 // brand new implementation of this interface. For the situations like
 // testing, the new implementation should embed this interface. This allows
 // gRPC to add new methods to this interface.
+//
+// NOTICE: This interface is intended to be implemented by gRPC, or intercepted
+// by custom load balancing polices.  Users should not need their own complete
+// implementation of this interface -- they should always delegate to a
+// ClientConn passed to Builder.Build() by embedding it in their
+// implementations. An embedded ClientConn must never be nil, or runtime panics
+// will occur.
 type ClientConn interface {
 	// NewSubConn is called by balancer to create a new SubConn.
 	// It doesn't block and wait for the connections to be established.
@@ -167,6 +174,17 @@ type ClientConn interface {
 	//
 	// Deprecated: Use the Target field in the BuildOptions instead.
 	Target() string
+
+	// MetricsRecorder provides the metrics recorder that balancers can use to
+	// record metrics. Balancer implementations which do not register metrics on
+	// metrics registry and record on them can ignore this method. The returned
+	// MetricsRecorder is guaranteed to never be nil.
+	MetricsRecorder() estats.MetricsRecorder
+
+	// EnforceClientConnEmbedding is included to force implementers to embed
+	// another implementation of this interface, allowing gRPC to add methods
+	// without breaking users.
+	internal.EnforceClientConnEmbedding
 }
 
 // BuildOptions contains additional information for Build.
@@ -198,10 +216,6 @@ type BuildOptions struct {
 	// same resolver.Target as passed to the resolver. See the documentation for
 	// the resolver.Target type for details about what it contains.
 	Target resolver.Target
-	// MetricsRecorder is the metrics recorder that balancers can use to record
-	// metrics. Balancer implementations which do not register metrics on
-	// metrics registry and record on them can ignore this field.
-	MetricsRecorder estats.MetricsRecorder
 }
 
 // Builder creates a balancer.

vendor/google.golang.org/grpc/balancer/endpointsharding/endpointsharding.go

@@ -0,0 +1,358 @@
+/*
+ *
+ * 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 endpointsharding implements a load balancing policy that manages
+// homogeneous child policies each owning a single endpoint.
+//
+// # Experimental
+//
+// Notice: This package is EXPERIMENTAL and may be changed or removed in a
+// later release.
+package endpointsharding
+
+import (
+	"errors"
+	rand "math/rand/v2"
+	"sync"
+	"sync/atomic"
+
+	"google.golang.org/grpc/balancer"
+	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/resolver"
+)
+
+// ChildState is the balancer state of a child along with the endpoint which
+// identifies the child balancer.
+type ChildState struct {
+	Endpoint resolver.Endpoint
+	State    balancer.State
+
+	// Balancer exposes only the ExitIdler interface of the child LB policy.
+	// Other methods of the child policy are called only by endpointsharding.
+	Balancer balancer.ExitIdler
+}
+
+// Options are the options to configure the behaviour of the
+// endpointsharding balancer.
+type Options struct {
+	// DisableAutoReconnect allows the balancer to keep child balancer in the
+	// IDLE state until they are explicitly triggered to exit using the
+	// ChildState obtained from the endpointsharding picker. When set to false,
+	// the endpointsharding balancer will automatically call ExitIdle on child
+	// connections that report IDLE.
+	DisableAutoReconnect bool
+}
+
+// ChildBuilderFunc creates a new balancer with the ClientConn. It has the same
+// type as the balancer.Builder.Build method.
+type ChildBuilderFunc func(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer
+
+// NewBalancer returns a load balancing policy that manages homogeneous child
+// policies each owning a single endpoint. The endpointsharding balancer
+// forwards the LoadBalancingConfig in ClientConn state updates to its children.
+func NewBalancer(cc balancer.ClientConn, opts balancer.BuildOptions, childBuilder ChildBuilderFunc, esOpts Options) balancer.Balancer {
+	es := &endpointSharding{
+		cc:           cc,
+		bOpts:        opts,
+		esOpts:       esOpts,
+		childBuilder: childBuilder,
+	}
+	es.children.Store(resolver.NewEndpointMap())
+	return es
+}
+
+// endpointSharding is a balancer that wraps child balancers. It creates a child
+// balancer with child config for every unique Endpoint received. It updates the
+// child states on any update from parent or child.
+type endpointSharding struct {
+	cc           balancer.ClientConn
+	bOpts        balancer.BuildOptions
+	esOpts       Options
+	childBuilder ChildBuilderFunc
+
+	// childMu synchronizes calls to any single child. It must be held for all
+	// calls into a child. To avoid deadlocks, do not acquire childMu while
+	// holding mu.
+	childMu  sync.Mutex
+	children atomic.Pointer[resolver.EndpointMap] // endpoint -> *balancerWrapper
+
+	// inhibitChildUpdates is set during UpdateClientConnState/ResolverError
+	// calls (calls to children will each produce an update, only want one
+	// update).
+	inhibitChildUpdates atomic.Bool
+
+	// mu synchronizes access to the state stored in balancerWrappers in the
+	// children field. mu must not be held during calls into a child since
+	// synchronous calls back from the child may require taking mu, causing a
+	// deadlock. To avoid deadlocks, do not acquire childMu while holding mu.
+	mu sync.Mutex
+}
+
+// UpdateClientConnState creates a child for new endpoints and deletes children
+// for endpoints that are no longer present. It also updates all the children,
+// and sends a single synchronous update of the childrens' aggregated state at
+// the end of the UpdateClientConnState operation. If any endpoint has no
+// addresses it will ignore that endpoint. Otherwise, returns first error found
+// from a child, but fully processes the new update.
+func (es *endpointSharding) UpdateClientConnState(state balancer.ClientConnState) error {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+
+	es.inhibitChildUpdates.Store(true)
+	defer func() {
+		es.inhibitChildUpdates.Store(false)
+		es.updateState()
+	}()
+	var ret error
+
+	children := es.children.Load()
+	newChildren := resolver.NewEndpointMap()
+
+	// Update/Create new children.
+	for _, endpoint := range state.ResolverState.Endpoints {
+		if _, ok := newChildren.Get(endpoint); ok {
+			// Endpoint child was already created, continue to avoid duplicate
+			// update.
+			continue
+		}
+		var childBalancer *balancerWrapper
+		if val, ok := children.Get(endpoint); ok {
+			childBalancer = val.(*balancerWrapper)
+			// Endpoint attributes may have changed, update the stored endpoint.
+			es.mu.Lock()
+			childBalancer.childState.Endpoint = endpoint
+			es.mu.Unlock()
+		} else {
+			childBalancer = &balancerWrapper{
+				childState: ChildState{Endpoint: endpoint},
+				ClientConn: es.cc,
+				es:         es,
+			}
+			childBalancer.childState.Balancer = childBalancer
+			childBalancer.child = es.childBuilder(childBalancer, es.bOpts)
+		}
+		newChildren.Set(endpoint, childBalancer)
+		if err := childBalancer.updateClientConnStateLocked(balancer.ClientConnState{
+			BalancerConfig: state.BalancerConfig,
+			ResolverState: resolver.State{
+				Endpoints:  []resolver.Endpoint{endpoint},
+				Attributes: state.ResolverState.Attributes,
+			},
+		}); err != nil && ret == nil {
+			// Return first error found, and always commit full processing of
+			// updating children. If desired to process more specific errors
+			// across all endpoints, caller should make these specific
+			// validations, this is a current limitation for simplicity sake.
+			ret = err
+		}
+	}
+	// Delete old children that are no longer present.
+	for _, e := range children.Keys() {
+		child, _ := children.Get(e)
+		if _, ok := newChildren.Get(e); !ok {
+			child.(*balancerWrapper).closeLocked()
+		}
+	}
+	es.children.Store(newChildren)
+	if newChildren.Len() == 0 {
+		return balancer.ErrBadResolverState
+	}
+	return ret
+}
+
+// ResolverError forwards the resolver error to all of the endpointSharding's
+// children and sends a single synchronous update of the childStates at the end
+// of the ResolverError operation.
+func (es *endpointSharding) ResolverError(err error) {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+	es.inhibitChildUpdates.Store(true)
+	defer func() {
+		es.inhibitChildUpdates.Store(false)
+		es.updateState()
+	}()
+	children := es.children.Load()
+	for _, child := range children.Values() {
+		child.(*balancerWrapper).resolverErrorLocked(err)
+	}
+}
+
+func (es *endpointSharding) UpdateSubConnState(balancer.SubConn, balancer.SubConnState) {
+	// UpdateSubConnState is deprecated.
+}
+
+func (es *endpointSharding) Close() {
+	es.childMu.Lock()
+	defer es.childMu.Unlock()
+	children := es.children.Load()
+	for _, child := range children.Values() {
+		child.(*balancerWrapper).closeLocked()
+	}
+}
+
+// updateState updates this component's state. It sends the aggregated state,
+// and a picker with round robin behavior with all the child states present if
+// needed.
+func (es *endpointSharding) updateState() {
+	if es.inhibitChildUpdates.Load() {
+		return
+	}
+	var readyPickers, connectingPickers, idlePickers, transientFailurePickers []balancer.Picker
+
+	es.mu.Lock()
+	defer es.mu.Unlock()
+
+	children := es.children.Load()
+	childStates := make([]ChildState, 0, children.Len())
+
+	for _, child := range children.Values() {
+		bw := child.(*balancerWrapper)
+		childState := bw.childState
+		childStates = append(childStates, childState)
+		childPicker := childState.State.Picker
+		switch childState.State.ConnectivityState {
+		case connectivity.Ready:
+			readyPickers = append(readyPickers, childPicker)
+		case connectivity.Connecting:
+			connectingPickers = append(connectingPickers, childPicker)
+		case connectivity.Idle:
+			idlePickers = append(idlePickers, childPicker)
+		case connectivity.TransientFailure:
+			transientFailurePickers = append(transientFailurePickers, childPicker)
+			// connectivity.Shutdown shouldn't appear.
+		}
+	}
+
+	// Construct the round robin picker based off the aggregated state. Whatever
+	// the aggregated state, use the pickers present that are currently in that
+	// state only.
+	var aggState connectivity.State
+	var pickers []balancer.Picker
+	if len(readyPickers) >= 1 {
+		aggState = connectivity.Ready
+		pickers = readyPickers
+	} else if len(connectingPickers) >= 1 {
+		aggState = connectivity.Connecting
+		pickers = connectingPickers
+	} else if len(idlePickers) >= 1 {
+		aggState = connectivity.Idle
+		pickers = idlePickers
+	} else if len(transientFailurePickers) >= 1 {
+		aggState = connectivity.TransientFailure
+		pickers = transientFailurePickers
+	} else {
+		aggState = connectivity.TransientFailure
+		pickers = []balancer.Picker{base.NewErrPicker(errors.New("no children to pick from"))}
+	} // No children (resolver error before valid update).
+	p := &pickerWithChildStates{
+		pickers:     pickers,
+		childStates: childStates,
+		next:        uint32(rand.IntN(len(pickers))),
+	}
+	es.cc.UpdateState(balancer.State{
+		ConnectivityState: aggState,
+		Picker:            p,
+	})
+}
+
+// pickerWithChildStates delegates to the pickers it holds in a round robin
+// fashion. It also contains the childStates of all the endpointSharding's
+// children.
+type pickerWithChildStates struct {
+	pickers     []balancer.Picker
+	childStates []ChildState
+	next        uint32
+}
+
+func (p *pickerWithChildStates) Pick(info balancer.PickInfo) (balancer.PickResult, error) {
+	nextIndex := atomic.AddUint32(&p.next, 1)
+	picker := p.pickers[nextIndex%uint32(len(p.pickers))]
+	return picker.Pick(info)
+}
+
+// ChildStatesFromPicker returns the state of all the children managed by the
+// endpoint sharding balancer that created this picker.
+func ChildStatesFromPicker(picker balancer.Picker) []ChildState {
+	p, ok := picker.(*pickerWithChildStates)
+	if !ok {
+		return nil
+	}
+	return p.childStates
+}
+
+// balancerWrapper is a wrapper of a balancer. It ID's a child balancer by
+// endpoint, and persists recent child balancer state.
+type balancerWrapper 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.
+
+	// child contains the wrapped balancer. Access its methods only through
+	// methods on balancerWrapper to ensure proper synchronization
+	child               balancer.Balancer
+	balancer.ClientConn // embed to intercept UpdateState, doesn't deal with SubConns
+
+	es *endpointSharding
+
+	// Access to the following fields is guarded by es.mu.
+
+	childState ChildState
+	isClosed   bool
+}
+
+func (bw *balancerWrapper) UpdateState(state balancer.State) {
+	bw.es.mu.Lock()
+	bw.childState.State = state
+	bw.es.mu.Unlock()
+	if state.ConnectivityState == connectivity.Idle && !bw.es.esOpts.DisableAutoReconnect {
+		bw.ExitIdle()
+	}
+	bw.es.updateState()
+}
+
+// ExitIdle pings an IDLE child balancer to exit idle in a new goroutine to
+// avoid deadlocks due to synchronous balancer state updates.
+func (bw *balancerWrapper) ExitIdle() {
+	if ei, ok := bw.child.(balancer.ExitIdler); ok {
+		go func() {
+			bw.es.childMu.Lock()
+			if !bw.isClosed {
+				ei.ExitIdle()
+			}
+			bw.es.childMu.Unlock()
+		}()
+	}
+}
+
+// updateClientConnStateLocked delivers the ClientConnState to the child
+// balancer. Callers must hold the child mutex of the parent endpointsharding
+// balancer.
+func (bw *balancerWrapper) updateClientConnStateLocked(ccs balancer.ClientConnState) error {
+	return bw.child.UpdateClientConnState(ccs)
+}
+
+// closeLocked closes the child balancer. Callers must hold the child mutext of
+// the parent endpointsharding balancer.
+func (bw *balancerWrapper) closeLocked() {
+	bw.child.Close()
+	bw.isClosed = true
+}
+
+func (bw *balancerWrapper) resolverErrorLocked(err error) {
+	bw.child.ResolverError(err)
+}

vendor/google.golang.org/grpc/balancer/pickfirst/pickfirstleaf/pickfirstleaf.go

@@ -54,9 +54,18 @@ func init() {
 	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{}
+type (
+	// enableHealthListenerKeyType is a unique key type used in resolver
+	// attributes to indicate whether the health listener usage is enabled.
+	enableHealthListenerKeyType struct{}
+	// managedByPickfirstKeyType is an attribute key type to inform Outlier
+	// Detection that the generic health listener is being used.
+	// TODO: https://github.com/grpc/grpc-go/issues/7915 - Remove this when
+	// implementing the dualstack design. This is a hack. Once Dualstack is
+	// completed, outlier detection will stop sending ejection updates through
+	// the connectivity listener.
+	managedByPickfirstKeyType struct{}
+)
 
 var (
 	logger = grpclog.Component("pick-first-leaf-lb")
@@ -111,7 +120,7 @@ func (pickfirstBuilder) Build(cc balancer.ClientConn, bo balancer.BuildOptions)
 	b := &pickfirstBalancer{
 		cc:              cc,
 		target:          bo.Target.String(),
-		metricsRecorder: bo.MetricsRecorder, // ClientConn will always create a Metrics Recorder.
+		metricsRecorder: cc.MetricsRecorder(),
 
 		subConns:              resolver.NewAddressMap(),
 		state:                 connectivity.Connecting,
@@ -140,6 +149,17 @@ func EnableHealthListener(state resolver.State) resolver.State {
 	return state
 }
 
+// IsManagedByPickfirst returns whether an address belongs to a SubConn
+// managed by the pickfirst LB policy.
+// TODO: https://github.com/grpc/grpc-go/issues/7915 - This is a hack to disable
+// outlier_detection via the with connectivity listener when using pick_first.
+// Once Dualstack changes are complete, all SubConns will be created by
+// pick_first and outlier detection will only use the health listener for
+// ejection. This hack can then be removed.
+func IsManagedByPickfirst(addr resolver.Address) bool {
+	return addr.BalancerAttributes.Value(managedByPickfirstKeyType{}) != nil
+}
+
 type pfConfig struct {
 	serviceconfig.LoadBalancingConfig `json:"-"`
 
@@ -166,6 +186,7 @@ type scData struct {
 }
 
 func (b *pickfirstBalancer) newSCData(addr resolver.Address) (*scData, error) {
+	addr.BalancerAttributes = addr.BalancerAttributes.WithValue(managedByPickfirstKeyType{}, true)
 	sd := &scData{
 		rawConnectivityState: connectivity.Idle,
 		effectiveState:       connectivity.Idle,

vendor/google.golang.org/grpc/balancer/roundrobin/roundrobin.go

@@ -22,12 +22,13 @@
 package roundrobin
 
 import (
-	rand "math/rand/v2"
-	"sync/atomic"
+	"fmt"
 
 	"google.golang.org/grpc/balancer"
-	"google.golang.org/grpc/balancer/base"
+	"google.golang.org/grpc/balancer/endpointsharding"
+	"google.golang.org/grpc/balancer/pickfirst/pickfirstleaf"
 	"google.golang.org/grpc/grpclog"
+	internalgrpclog "google.golang.org/grpc/internal/grpclog"
 )
 
 // Name is the name of round_robin balancer.
@@ -35,47 +36,44 @@ const Name = "round_robin"
 
 var logger = grpclog.Component("roundrobin")
 
-// newBuilder creates a new roundrobin balancer builder.
-func newBuilder() balancer.Builder {
-	return base.NewBalancerBuilder(Name, &rrPickerBuilder{}, base.Config{HealthCheck: true})
-}
-
 func init() {
-	balancer.Register(newBuilder())
+	balancer.Register(builder{})
 }
 
-type rrPickerBuilder struct{}
+type builder struct{}
 
-func (*rrPickerBuilder) Build(info base.PickerBuildInfo) balancer.Picker {
-	logger.Infof("roundrobinPicker: Build called with info: %v", info)
-	if len(info.ReadySCs) == 0 {
-		return base.NewErrPicker(balancer.ErrNoSubConnAvailable)
+func (bb builder) Name() string {
+	return Name
+}
+
+func (bb builder) Build(cc balancer.ClientConn, opts balancer.BuildOptions) balancer.Balancer {
+	childBuilder := balancer.Get(pickfirstleaf.Name).Build
+	bal := &rrBalancer{
+		cc:       cc,
+		Balancer: endpointsharding.NewBalancer(cc, opts, childBuilder, endpointsharding.Options{}),
 	}
-	scs := make([]balancer.SubConn, 0, len(info.ReadySCs))
-	for sc := range info.ReadySCs {
-		scs = append(scs, sc)
-	}
-	return &rrPicker{
-		subConns: scs,
-		// 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))),
+	bal.logger = internalgrpclog.NewPrefixLogger(logger, fmt.Sprintf("[%p] ", bal))
+	bal.logger.Infof("Created")
+	return bal
+}
+
+type rrBalancer struct {
+	balancer.Balancer
+	cc     balancer.ClientConn
+	logger *internalgrpclog.PrefixLogger
+}
+
+func (b *rrBalancer) UpdateClientConnState(ccs balancer.ClientConnState) error {
+	return b.Balancer.UpdateClientConnState(balancer.ClientConnState{
+		// Enable the health listener in pickfirst children for client side health
+		// checks and outlier detection, if configured.
+		ResolverState: pickfirstleaf.EnableHealthListener(ccs.ResolverState),
+	})
+}
+
+func (b *rrBalancer) ExitIdle() {
+	// Should always be ok, as child is endpoint sharding.
+	if ei, ok := b.Balancer.(balancer.ExitIdler); ok {
+		ei.ExitIdle()
 	}
 }
-
-type rrPicker struct {
-	// subConns is the snapshot of the roundrobin balancer when this picker was
-	// created. The slice is immutable. Each Get() will do a round robin
-	// selection from it and return the selected SubConn.
-	subConns []balancer.SubConn
-	next     uint32
-}
-
-func (p *rrPicker) Pick(balancer.PickInfo) (balancer.PickResult, error) {
-	subConnsLen := uint32(len(p.subConns))
-	nextIndex := atomic.AddUint32(&p.next, 1)
-
-	sc := p.subConns[nextIndex%subConnsLen]
-	return balancer.PickResult{SubConn: sc}, nil
-}

vendor/google.golang.org/grpc/balancer/subconn.go

@@ -44,7 +44,7 @@ import (
 // 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
+// by custom load balancing polices.  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.

vendor/google.golang.org/grpc/balancer_wrapper.go

@@ -26,6 +26,7 @@ import (
 	"google.golang.org/grpc/balancer"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/connectivity"
+	"google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/balancer/gracefulswitch"
 	"google.golang.org/grpc/internal/channelz"
@@ -34,7 +35,15 @@ import (
 	"google.golang.org/grpc/status"
 )
 
-var setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnState, resolver.Address))
+var (
+	setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnState, resolver.Address))
+	// noOpRegisterHealthListenerFn is used when client side health checking is
+	// disabled. It sends a single READY update on the registered listener.
+	noOpRegisterHealthListenerFn = func(_ context.Context, listener func(balancer.SubConnState)) func() {
+		listener(balancer.SubConnState{ConnectivityState: connectivity.Ready})
+		return func() {}
+	}
+)
 
 // ccBalancerWrapper sits between the ClientConn and the Balancer.
 //
@@ -51,6 +60,7 @@ var setConnectedAddress = internal.SetConnectedAddress.(func(*balancer.SubConnSt
 // It uses the gracefulswitch.Balancer internally to ensure that balancer
 // switches happen in a graceful manner.
 type ccBalancerWrapper struct {
+	internal.EnforceClientConnEmbedding
 	// The following fields are initialized when the wrapper is created and are
 	// read-only afterwards, and therefore can be accessed without a mutex.
 	cc               *ClientConn
@@ -84,7 +94,6 @@ func newCCBalancerWrapper(cc *ClientConn) *ccBalancerWrapper {
 			CustomUserAgent: cc.dopts.copts.UserAgent,
 			ChannelzParent:  cc.channelz,
 			Target:          cc.parsedTarget,
-			MetricsRecorder: cc.metricsRecorderList,
 		},
 		serializer:       grpcsync.NewCallbackSerializer(ctx),
 		serializerCancel: cancel,
@@ -93,6 +102,10 @@ func newCCBalancerWrapper(cc *ClientConn) *ccBalancerWrapper {
 	return ccb
 }
 
+func (ccb *ccBalancerWrapper) MetricsRecorder() stats.MetricsRecorder {
+	return ccb.cc.metricsRecorderList
+}
+
 // updateClientConnState is invoked by grpc to push a ClientConnState update to
 // the underlying balancer.  This is always executed from the serializer, so
 // it is safe to call into the balancer here.
@@ -277,10 +290,17 @@ type healthData struct {
 	// to the LB policy. This is stored to avoid sending updates when the
 	// SubConn has already exited connectivity state READY.
 	connectivityState connectivity.State
+	// closeHealthProducer stores function to close the ref counted health
+	// producer. The health producer is automatically closed when the SubConn
+	// state changes.
+	closeHealthProducer func()
 }
 
 func newHealthData(s connectivity.State) *healthData {
-	return &healthData{connectivityState: s}
+	return &healthData{
+		connectivityState:   s,
+		closeHealthProducer: func() {},
+	}
 }
 
 // updateState is invoked by grpc to push a subConn state update to the
@@ -400,7 +420,7 @@ func (acbw *acBalancerWrapper) GetOrBuildProducer(pb balancer.ProducerBuilder) (
 		}
 		acbw.producersMu.Unlock()
 	}
-	return pData.producer, grpcsync.OnceFunc(unref)
+	return pData.producer, sync.OnceFunc(unref)
 }
 
 func (acbw *acBalancerWrapper) closeProducers() {
@@ -413,6 +433,37 @@ func (acbw *acBalancerWrapper) closeProducers() {
 	}
 }
 
+// healthProducerRegisterFn is a type alias for the health producer's function
+// for registering listeners.
+type healthProducerRegisterFn = func(context.Context, balancer.SubConn, string, func(balancer.SubConnState)) func()
+
+// healthListenerRegFn returns a function to register a listener for health
+// updates. If client side health checks are disabled, the registered listener
+// will get a single READY (raw connectivity state) update.
+//
+// Client side health checking is enabled when all the following
+// conditions are satisfied:
+// 1. Health checking is not disabled using the dial option.
+// 2. The health package is imported.
+// 3. The health check config is present in the service config.
+func (acbw *acBalancerWrapper) healthListenerRegFn() func(context.Context, func(balancer.SubConnState)) func() {
+	if acbw.ccb.cc.dopts.disableHealthCheck {
+		return noOpRegisterHealthListenerFn
+	}
+	regHealthLisFn := internal.RegisterClientHealthCheckListener
+	if regHealthLisFn == nil {
+		// The health package is not imported.
+		return noOpRegisterHealthListenerFn
+	}
+	cfg := acbw.ac.cc.healthCheckConfig()
+	if cfg == nil {
+		return noOpRegisterHealthListenerFn
+	}
+	return func(ctx context.Context, listener func(balancer.SubConnState)) func() {
+		return regHealthLisFn.(healthProducerRegisterFn)(ctx, acbw, cfg.ServiceName, listener)
+	}
+}
+
 // 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
@@ -421,6 +472,7 @@ func (acbw *acBalancerWrapper) closeProducers() {
 func (acbw *acBalancerWrapper) RegisterHealthListener(listener func(balancer.SubConnState)) {
 	acbw.healthMu.Lock()
 	defer acbw.healthMu.Unlock()
+	acbw.healthData.closeHealthProducer()
 	// 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
@@ -436,6 +488,7 @@ func (acbw *acBalancerWrapper) RegisterHealthListener(listener func(balancer.Sub
 		return
 	}
 
+	registerFn := acbw.healthListenerRegFn()
 	acbw.ccb.serializer.TrySchedule(func(ctx context.Context) {
 		if ctx.Err() != nil || acbw.ccb.balancer == nil {
 			return
@@ -443,10 +496,25 @@ func (acbw *acBalancerWrapper) RegisterHealthListener(listener func(balancer.Sub
 		// Don't send updates if a new listener is registered.
 		acbw.healthMu.Lock()
 		defer acbw.healthMu.Unlock()
-		curHD := acbw.healthData
-		if curHD != hd {
+		if acbw.healthData != hd {
 			return
 		}
-		listener(balancer.SubConnState{ConnectivityState: connectivity.Ready})
+		// Serialize the health updates from the health producer with
+		// other calls into the LB policy.
+		listenerWrapper := func(scs balancer.SubConnState) {
+			acbw.ccb.serializer.TrySchedule(func(ctx context.Context) {
+				if ctx.Err() != nil || acbw.ccb.balancer == nil {
+					return
+				}
+				acbw.healthMu.Lock()
+				defer acbw.healthMu.Unlock()
+				if acbw.healthData != hd {
+					return
+				}
+				listener(scs)
+			})
+		}
+
+		hd.closeHealthProducer = registerFn(ctx, listenerWrapper)
 	})
 }

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 v1.35.1
+// 	protoc-gen-go v1.36.4
 // 	protoc        v5.27.1
 // source: grpc/binlog/v1/binarylog.proto
 
@@ -31,6 +31,7 @@ import (
 	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -233,10 +234,7 @@ func (Address_Type) EnumDescriptor() ([]byte, []int) {
 
 // Log entry we store in binary logs
 type GrpcLogEntry struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// The timestamp of the binary log message
 	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
 	// Uniquely identifies a call. The value must not be 0 in order to disambiguate
@@ -255,7 +253,7 @@ type GrpcLogEntry struct {
 	// The logger uses one of the following fields to record the payload,
 	// according to the type of the log entry.
 	//
-	// Types that are assignable to Payload:
+	// Types that are valid to be assigned to Payload:
 	//
 	//	*GrpcLogEntry_ClientHeader
 	//	*GrpcLogEntry_ServerHeader
@@ -269,7 +267,9 @@ type GrpcLogEntry struct {
 	// EVENT_TYPE_SERVER_HEADER normally or EVENT_TYPE_SERVER_TRAILER in
 	// the case of trailers-only. On server side, peer is always
 	// logged on EVENT_TYPE_CLIENT_HEADER.
-	Peer *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
+	Peer          *Address `protobuf:"bytes,11,opt,name=peer,proto3" json:"peer,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *GrpcLogEntry) Reset() {
@@ -337,37 +337,45 @@ func (x *GrpcLogEntry) GetLogger() GrpcLogEntry_Logger {
 	return GrpcLogEntry_LOGGER_UNKNOWN
 }
 
-func (m *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
-	if m != nil {
-		return m.Payload
+func (x *GrpcLogEntry) GetPayload() isGrpcLogEntry_Payload {
+	if x != nil {
+		return x.Payload
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetClientHeader() *ClientHeader {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_ClientHeader); ok {
-		return x.ClientHeader
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_ClientHeader); ok {
+			return x.ClientHeader
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetServerHeader() *ServerHeader {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_ServerHeader); ok {
-		return x.ServerHeader
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_ServerHeader); ok {
+			return x.ServerHeader
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetMessage() *Message {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_Message); ok {
-		return x.Message
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_Message); ok {
+			return x.Message
+		}
 	}
 	return nil
 }
 
 func (x *GrpcLogEntry) GetTrailer() *Trailer {
-	if x, ok := x.GetPayload().(*GrpcLogEntry_Trailer); ok {
-		return x.Trailer
+	if x != nil {
+		if x, ok := x.Payload.(*GrpcLogEntry_Trailer); ok {
+			return x.Trailer
+		}
 	}
 	return nil
 }
@@ -416,10 +424,7 @@ func (*GrpcLogEntry_Message) isGrpcLogEntry_Payload() {}
 func (*GrpcLogEntry_Trailer) isGrpcLogEntry_Payload() {}
 
 type ClientHeader struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The name of the RPC method, which looks something like:
@@ -433,7 +438,9 @@ type ClientHeader struct {
 	// <host> or <host>:<port> .
 	Authority string `protobuf:"bytes,3,opt,name=authority,proto3" json:"authority,omitempty"`
 	// the RPC timeout
-	Timeout *durationpb.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	Timeout       *durationpb.Duration `protobuf:"bytes,4,opt,name=timeout,proto3" json:"timeout,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ClientHeader) Reset() {
@@ -495,12 +502,11 @@ func (x *ClientHeader) GetTimeout() *durationpb.Duration {
 }
 
 type ServerHeader struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
-	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	Metadata      *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *ServerHeader) Reset() {
@@ -541,10 +547,7 @@ func (x *ServerHeader) GetMetadata() *Metadata {
 }
 
 type Trailer struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// This contains only the metadata from the application.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata,proto3" json:"metadata,omitempty"`
 	// The gRPC status code.
@@ -555,6 +558,8 @@ type Trailer struct {
 	// The value of the 'grpc-status-details-bin' metadata key. If
 	// present, this is always an encoded 'google.rpc.Status' message.
 	StatusDetails []byte `protobuf:"bytes,4,opt,name=status_details,json=statusDetails,proto3" json:"status_details,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Trailer) Reset() {
@@ -617,15 +622,14 @@ func (x *Trailer) GetStatusDetails() []byte {
 
 // Message payload, used by CLIENT_MESSAGE and SERVER_MESSAGE
 type Message struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
+	state protoimpl.MessageState `protogen:"open.v1"`
 	// Length of the message. It may not be the same as the length of the
 	// data field, as the logging payload can be truncated or omitted.
 	Length uint32 `protobuf:"varint,1,opt,name=length,proto3" json:"length,omitempty"`
 	// May be truncated or omitted.
-	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	Data          []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Message) Reset() {
@@ -694,11 +698,10 @@ func (x *Message) GetData() []byte {
 // header is just a normal metadata key.
 // The pair will not count towards the size limit.
 type Metadata struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Entry         []*MetadataEntry       `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Entry []*MetadataEntry `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Metadata) Reset() {
@@ -740,12 +743,11 @@ func (x *Metadata) GetEntry() []*MetadataEntry {
 
 // A metadata key value pair
 type MetadataEntry struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Key           string                 `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
+	Value         []byte                 `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Key   string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
-	Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *MetadataEntry) Reset() {
@@ -794,14 +796,13 @@ func (x *MetadataEntry) GetValue() []byte {
 
 // Address information
 type Address struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Type    Address_Type `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.binarylog.v1.Address_Type" json:"type,omitempty"`
-	Address string       `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
+	state   protoimpl.MessageState `protogen:"open.v1"`
+	Type    Address_Type           `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.binarylog.v1.Address_Type" json:"type,omitempty"`
+	Address string                 `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
 	// only for TYPE_IPV4 and TYPE_IPV6
-	IpPort uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
+	IpPort        uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *Address) Reset() {
@@ -857,7 +858,7 @@ func (x *Address) GetIpPort() uint32 {
 
 var File_grpc_binlog_v1_binarylog_proto protoreflect.FileDescriptor
 
-var file_grpc_binlog_v1_binarylog_proto_rawDesc = []byte{
+var file_grpc_binlog_v1_binarylog_proto_rawDesc = string([]byte{
 	0x0a, 0x1e, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x69, 0x6e, 0x6c, 0x6f, 0x67, 0x2f, 0x76, 0x31,
 	0x2f, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x12, 0x11, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x62, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67,
@@ -983,16 +984,16 @@ var file_grpc_binlog_v1_binarylog_proto_rawDesc = []byte{
 	0x69, 0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x5f, 0x62, 0x69,
 	0x6e, 0x61, 0x72, 0x79, 0x6c, 0x6f, 0x67, 0x5f, 0x76, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x33,
-}
+})
 
 var (
 	file_grpc_binlog_v1_binarylog_proto_rawDescOnce sync.Once
-	file_grpc_binlog_v1_binarylog_proto_rawDescData = file_grpc_binlog_v1_binarylog_proto_rawDesc
+	file_grpc_binlog_v1_binarylog_proto_rawDescData []byte
 )
 
 func file_grpc_binlog_v1_binarylog_proto_rawDescGZIP() []byte {
 	file_grpc_binlog_v1_binarylog_proto_rawDescOnce.Do(func() {
-		file_grpc_binlog_v1_binarylog_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_binlog_v1_binarylog_proto_rawDescData)
+		file_grpc_binlog_v1_binarylog_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_binlog_v1_binarylog_proto_rawDesc), len(file_grpc_binlog_v1_binarylog_proto_rawDesc)))
 	})
 	return file_grpc_binlog_v1_binarylog_proto_rawDescData
 }
@@ -1051,7 +1052,7 @@ func file_grpc_binlog_v1_binarylog_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_binlog_v1_binarylog_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_binlog_v1_binarylog_proto_rawDesc), len(file_grpc_binlog_v1_binarylog_proto_rawDesc)),
 			NumEnums:      3,
 			NumMessages:   8,
 			NumExtensions: 0,
@@ -1063,7 +1064,6 @@ func file_grpc_binlog_v1_binarylog_proto_init() {
 		MessageInfos:      file_grpc_binlog_v1_binarylog_proto_msgTypes,
 	}.Build()
 	File_grpc_binlog_v1_binarylog_proto = out.File
-	file_grpc_binlog_v1_binarylog_proto_rawDesc = nil
 	file_grpc_binlog_v1_binarylog_proto_goTypes = nil
 	file_grpc_binlog_v1_binarylog_proto_depIdxs = nil
 }

vendor/google.golang.org/grpc/clientconn.go

@@ -118,12 +118,26 @@ func (dcs *defaultConfigSelector) SelectConfig(rpcInfo iresolver.RPCInfo) (*ires
 
 // NewClient creates a new gRPC "channel" for the target URI provided.  No I/O
 // is performed.  Use of the ClientConn for RPCs will automatically cause it to
-// connect.  Connect may be used to manually create a connection, but for most
-// users this is unnecessary.
+// connect.  The Connect method may be called to manually create a connection,
+// but for most users this should be unnecessary.
 //
 // The target name syntax is defined in
-// https://github.com/grpc/grpc/blob/master/doc/naming.md.  e.g. to use dns
-// resolver, a "dns:///" prefix should be applied to the target.
+// https://github.com/grpc/grpc/blob/master/doc/naming.md.  E.g. to use the dns
+// name resolver, a "dns:///" prefix may be applied to the target.  The default
+// name resolver will be used if no scheme is detected, or if the parsed scheme
+// is not a registered name resolver.  The default resolver is "dns" but can be
+// overridden using the resolver package's SetDefaultScheme.
+//
+// Examples:
+//
+//   - "foo.googleapis.com:8080"
+//   - "dns:///foo.googleapis.com:8080"
+//   - "dns:///foo.googleapis.com"
+//   - "dns:///10.0.0.213:8080"
+//   - "dns:///%5B2001:db8:85a3:8d3:1319:8a2e:370:7348%5D:443"
+//   - "dns://8.8.8.8/foo.googleapis.com:8080"
+//   - "dns://8.8.8.8/foo.googleapis.com"
+//   - "zookeeper://zk.example.com:9900/example_service"
 //
 // The DialOptions returned by WithBlock, WithTimeout,
 // WithReturnConnectionError, and FailOnNonTempDialError are ignored by this
@@ -181,7 +195,7 @@ func NewClient(target string, opts ...DialOption) (conn *ClientConn, err error)
 		}
 		cc.dopts.defaultServiceConfig, _ = scpr.Config.(*ServiceConfig)
 	}
-	cc.mkp = cc.dopts.copts.KeepaliveParams
+	cc.keepaliveParams = cc.dopts.copts.KeepaliveParams
 
 	if err = cc.initAuthority(); err != nil {
 		return nil, err
@@ -225,7 +239,12 @@ func Dial(target string, opts ...DialOption) (*ClientConn, error) {
 func DialContext(ctx context.Context, target string, opts ...DialOption) (conn *ClientConn, err error) {
 	// At the end of this method, we kick the channel out of idle, rather than
 	// waiting for the first rpc.
-	opts = append([]DialOption{withDefaultScheme("passthrough")}, opts...)
+	//
+	// WithLocalDNSResolution dial option in `grpc.Dial` ensures that it
+	// preserves behavior: when default scheme passthrough is used, skip
+	// hostname resolution, when "dns" is used for resolution, perform
+	// resolution on the client.
+	opts = append([]DialOption{withDefaultScheme("passthrough"), WithLocalDNSResolution()}, opts...)
 	cc, err := NewClient(target, opts...)
 	if err != nil {
 		return nil, err
@@ -618,7 +637,7 @@ type ClientConn struct {
 	balancerWrapper *ccBalancerWrapper         // Always recreated whenever entering idle to simplify Close.
 	sc              *ServiceConfig             // Latest service config received from the resolver.
 	conns           map[*addrConn]struct{}     // Set to nil on close.
-	mkp             keepalive.ClientParameters // May be updated upon receipt of a GoAway.
+	keepaliveParams keepalive.ClientParameters // May be updated upon receipt of a GoAway.
 	// firstResolveEvent is used to track whether the name resolver sent us at
 	// least one update. RPCs block on this event.  May be accessed without mu
 	// if we know we cannot be asked to enter idle mode while accessing it (e.g.
@@ -867,7 +886,13 @@ func (cc *ClientConn) Target() string {
 	return cc.target
 }
 
-// CanonicalTarget returns the canonical target string of the ClientConn.
+// CanonicalTarget returns the canonical target string used when creating cc.
+//
+// This always has the form "<scheme>://[authority]/<endpoint>".  For example:
+//
+//   - "dns:///example.com:42"
+//   - "dns://8.8.8.8/example.com:42"
+//   - "unix:///path/to/socket"
 func (cc *ClientConn) CanonicalTarget() string {
 	return cc.parsedTarget.String()
 }
@@ -1210,8 +1235,8 @@ func (ac *addrConn) adjustParams(r transport.GoAwayReason) {
 	case transport.GoAwayTooManyPings:
 		v := 2 * ac.dopts.copts.KeepaliveParams.Time
 		ac.cc.mu.Lock()
-		if v > ac.cc.mkp.Time {
-			ac.cc.mkp.Time = v
+		if v > ac.cc.keepaliveParams.Time {
+			ac.cc.keepaliveParams.Time = v
 		}
 		ac.cc.mu.Unlock()
 	}
@@ -1307,7 +1332,7 @@ func (ac *addrConn) tryAllAddrs(ctx context.Context, addrs []resolver.Address, c
 		ac.mu.Lock()
 
 		ac.cc.mu.RLock()
-		ac.dopts.copts.KeepaliveParams = ac.cc.mkp
+		ac.dopts.copts.KeepaliveParams = ac.cc.keepaliveParams
 		ac.cc.mu.RUnlock()
 
 		copts := ac.dopts.copts

vendor/google.golang.org/grpc/credentials/tls.go

@@ -32,6 +32,8 @@ import (
 	"google.golang.org/grpc/internal/envconfig"
 )
 
+const alpnFailureHelpMessage = "If you upgraded from a grpc-go version earlier than 1.67, your TLS connections may have stopped working due to ALPN enforcement. For more details, see: https://github.com/grpc/grpc-go/issues/434"
+
 var logger = grpclog.Component("credentials")
 
 // TLSInfo contains the auth information for a TLS authenticated connection.
@@ -128,7 +130,7 @@ func (c *tlsCreds) ClientHandshake(ctx context.Context, authority string, rawCon
 	if np == "" {
 		if envconfig.EnforceALPNEnabled {
 			conn.Close()
-			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property")
+			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property. %s", alpnFailureHelpMessage)
 		}
 		logger.Warningf("Allowing TLS connection to server %q with ALPN disabled. TLS connections to servers with ALPN disabled will be disallowed in future grpc-go releases", cfg.ServerName)
 	}
@@ -158,7 +160,7 @@ func (c *tlsCreds) ServerHandshake(rawConn net.Conn) (net.Conn, AuthInfo, error)
 	if cs.NegotiatedProtocol == "" {
 		if envconfig.EnforceALPNEnabled {
 			conn.Close()
-			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property")
+			return nil, nil, fmt.Errorf("credentials: cannot check peer: missing selected ALPN property. %s", alpnFailureHelpMessage)
 		} else if logger.V(2) {
 			logger.Info("Allowing TLS connection from client with ALPN disabled. TLS connections with ALPN disabled will be disallowed in future grpc-go releases")
 		}

vendor/google.golang.org/grpc/dialoptions.go

@@ -73,7 +73,7 @@ type dialOptions struct {
 	chainUnaryInts  []UnaryClientInterceptor
 	chainStreamInts []StreamClientInterceptor
 
-	cp                          Compressor
+	compressorV0                Compressor
 	dc                          Decompressor
 	bs                          internalbackoff.Strategy
 	block                       bool
@@ -94,6 +94,8 @@ type dialOptions struct {
 	idleTimeout                 time.Duration
 	defaultScheme               string
 	maxCallAttempts             int
+	enableLocalDNSResolution    bool // Specifies if target hostnames should be resolved when proxying is enabled.
+	useProxy                    bool // Specifies if a server should be connected via proxy.
 }
 
 // DialOption configures how we set up the connection.
@@ -256,7 +258,7 @@ func WithCodec(c Codec) DialOption {
 // Deprecated: use UseCompressor instead.  Will be supported throughout 1.x.
 func WithCompressor(cp Compressor) DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
-		o.cp = cp
+		o.compressorV0 = cp
 	})
 }
 
@@ -377,7 +379,22 @@ func WithInsecure() DialOption {
 // later release.
 func WithNoProxy() DialOption {
 	return newFuncDialOption(func(o *dialOptions) {
-		o.copts.UseProxy = false
+		o.useProxy = false
+	})
+}
+
+// WithLocalDNSResolution forces local DNS name resolution even when a proxy is
+// specified in the environment.  By default, the server name is provided
+// directly to the proxy as part of the CONNECT handshake. This is ignored if
+// WithNoProxy is used.
+//
+// # Experimental
+//
+// Notice: This API is EXPERIMENTAL and may be changed or removed in a
+// later release.
+func WithLocalDNSResolution() DialOption {
+	return newFuncDialOption(func(o *dialOptions) {
+		o.enableLocalDNSResolution = true
 	})
 }
 
@@ -428,6 +445,11 @@ func WithTimeout(d time.Duration) DialOption {
 // returned by f, gRPC checks the error's Temporary() method to decide if it
 // should try to reconnect to the network address.
 //
+// Note that gRPC by default performs name resolution on the target passed to
+// NewClient. To bypass name resolution and cause the target string to be
+// passed directly to the dialer here instead, use the "passthrough" resolver
+// by specifying it in the target string, e.g. "passthrough:target".
+//
 // Note: All supported releases of Go (as of December 2023) override the OS
 // defaults for TCP keepalive time and interval to 15s. To enable TCP keepalive
 // with OS defaults for keepalive time and interval, use a net.Dialer that sets
@@ -662,14 +684,15 @@ func defaultDialOptions() dialOptions {
 		copts: transport.ConnectOptions{
 			ReadBufferSize:  defaultReadBufSize,
 			WriteBufferSize: defaultWriteBufSize,
-			UseProxy:        true,
 			UserAgent:       grpcUA,
 			BufferPool:      mem.DefaultBufferPool(),
 		},
-		bs:              internalbackoff.DefaultExponential,
-		idleTimeout:     30 * time.Minute,
-		defaultScheme:   "dns",
-		maxCallAttempts: defaultMaxCallAttempts,
+		bs:                       internalbackoff.DefaultExponential,
+		idleTimeout:              30 * time.Minute,
+		defaultScheme:            "dns",
+		maxCallAttempts:          defaultMaxCallAttempts,
+		useProxy:                 true,
+		enableLocalDNSResolution: false,
 	}
 }
 

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 v1.35.1
+// 	protoc-gen-go v1.36.4
 // 	protoc        v5.27.1
 // source: grpc/health/v1/health.proto
 
@@ -28,6 +28,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 const (
@@ -90,11 +91,10 @@ func (HealthCheckResponse_ServingStatus) EnumDescriptor() ([]byte, []int) {
 }
 
 type HealthCheckRequest struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Service       string                 `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Service string `protobuf:"bytes,1,opt,name=service,proto3" json:"service,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *HealthCheckRequest) Reset() {
@@ -135,11 +135,10 @@ func (x *HealthCheckRequest) GetService() string {
 }
 
 type HealthCheckResponse struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
+	state         protoimpl.MessageState            `protogen:"open.v1"`
+	Status        HealthCheckResponse_ServingStatus `protobuf:"varint,1,opt,name=status,proto3,enum=grpc.health.v1.HealthCheckResponse_ServingStatus" json:"status,omitempty"`
 	unknownFields protoimpl.UnknownFields
-
-	Status HealthCheckResponse_ServingStatus `protobuf:"varint,1,opt,name=status,proto3,enum=grpc.health.v1.HealthCheckResponse_ServingStatus" json:"status,omitempty"`
+	sizeCache     protoimpl.SizeCache
 }
 
 func (x *HealthCheckResponse) Reset() {
@@ -181,7 +180,7 @@ func (x *HealthCheckResponse) GetStatus() HealthCheckResponse_ServingStatus {
 
 var File_grpc_health_v1_health_proto protoreflect.FileDescriptor
 
-var file_grpc_health_v1_health_proto_rawDesc = []byte{
+var file_grpc_health_v1_health_proto_rawDesc = string([]byte{
 	0x0a, 0x1b, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x2f, 0x76, 0x31,
 	0x2f, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0e, 0x67,
 	0x72, 0x70, 0x63, 0x2e, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x2e, 0x76, 0x31, 0x22, 0x2e, 0x0a,
@@ -210,23 +209,24 @@ var file_grpc_health_v1_health_proto_rawDesc = []byte{
 	0x68, 0x65, 0x63, 0x6b, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x23, 0x2e, 0x67, 0x72,
 	0x70, 0x63, 0x2e, 0x68, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x2e, 0x76, 0x31, 0x2e, 0x48, 0x65, 0x61,
 	0x6c, 0x74, 0x68, 0x43, 0x68, 0x65, 0x63, 0x6b, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
-	0x30, 0x01, 0x42, 0x61, 0x0a, 0x11, 0x69, 0x6f, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x68, 0x65,
+	0x30, 0x01, 0x42, 0x70, 0x0a, 0x11, 0x69, 0x6f, 0x2e, 0x67, 0x72, 0x70, 0x63, 0x2e, 0x68, 0x65,
 	0x61, 0x6c, 0x74, 0x68, 0x2e, 0x76, 0x31, 0x42, 0x0b, 0x48, 0x65, 0x61, 0x6c, 0x74, 0x68, 0x50,
 	0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x2c, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67,
 	0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x68,
 	0x65, 0x61, 0x6c, 0x74, 0x68, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x5f, 0x68, 0x65, 0x61, 0x6c, 0x74,
-	0x68, 0x5f, 0x76, 0x31, 0xaa, 0x02, 0x0e, 0x47, 0x72, 0x70, 0x63, 0x2e, 0x48, 0x65, 0x61, 0x6c,
-	0x74, 0x68, 0x2e, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+	0x68, 0x5f, 0x76, 0x31, 0xa2, 0x02, 0x0c, 0x47, 0x72, 0x70, 0x63, 0x48, 0x65, 0x61, 0x6c, 0x74,
+	0x68, 0x56, 0x31, 0xaa, 0x02, 0x0e, 0x47, 0x72, 0x70, 0x63, 0x2e, 0x48, 0x65, 0x61, 0x6c, 0x74,
+	0x68, 0x2e, 0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
 
 var (
 	file_grpc_health_v1_health_proto_rawDescOnce sync.Once
-	file_grpc_health_v1_health_proto_rawDescData = file_grpc_health_v1_health_proto_rawDesc
+	file_grpc_health_v1_health_proto_rawDescData []byte
 )
 
 func file_grpc_health_v1_health_proto_rawDescGZIP() []byte {
 	file_grpc_health_v1_health_proto_rawDescOnce.Do(func() {
-		file_grpc_health_v1_health_proto_rawDescData = protoimpl.X.CompressGZIP(file_grpc_health_v1_health_proto_rawDescData)
+		file_grpc_health_v1_health_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_health_v1_health_proto_rawDesc), len(file_grpc_health_v1_health_proto_rawDesc)))
 	})
 	return file_grpc_health_v1_health_proto_rawDescData
 }
@@ -260,7 +260,7 @@ func file_grpc_health_v1_health_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_grpc_health_v1_health_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_health_v1_health_proto_rawDesc), len(file_grpc_health_v1_health_proto_rawDesc)),
 			NumEnums:      1,
 			NumMessages:   2,
 			NumExtensions: 0,
@@ -272,7 +272,6 @@ func file_grpc_health_v1_health_proto_init() {
 		MessageInfos:      file_grpc_health_v1_health_proto_msgTypes,
 	}.Build()
 	File_grpc_health_v1_health_proto = out.File
-	file_grpc_health_v1_health_proto_rawDesc = nil
 	file_grpc_health_v1_health_proto_goTypes = nil
 	file_grpc_health_v1_health_proto_depIdxs = nil
 }

vendor/google.golang.org/grpc/internal/balancer/gracefulswitch/gracefulswitch.go

@@ -109,8 +109,9 @@ func (gsb *Balancer) switchTo(builder balancer.Builder) (*balancerWrapper, error
 		return nil, errBalancerClosed
 	}
 	bw := &balancerWrapper{
-		builder: builder,
-		gsb:     gsb,
+		ClientConn: gsb.cc,
+		builder:    builder,
+		gsb:        gsb,
 		lastState: balancer.State{
 			ConnectivityState: connectivity.Connecting,
 			Picker:            base.NewErrPicker(balancer.ErrNoSubConnAvailable),
@@ -293,6 +294,7 @@ func (gsb *Balancer) Close() {
 // State updates from the wrapped balancer can result in invocation of the
 // graceful switch logic.
 type balancerWrapper struct {
+	balancer.ClientConn
 	balancer.Balancer
 	gsb     *Balancer
 	builder balancer.Builder
@@ -413,7 +415,3 @@ func (bw *balancerWrapper) UpdateAddresses(sc balancer.SubConn, addrs []resolver
 	bw.gsb.mu.Unlock()
 	bw.gsb.cc.UpdateAddresses(sc, addrs)
 }
-
-func (bw *balancerWrapper) Target() string {
-	return bw.gsb.cc.Target()
-}

vendor/google.golang.org/grpc/internal/envconfig/envconfig.go

@@ -49,7 +49,7 @@ var (
 	// 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)
+	XDSFallbackSupport = boolFromEnv("GRPC_EXPERIMENTAL_XDS_FALLBACK", true)
 	// 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"

vendor/google.golang.org/grpc/internal/envconfig/xds.go

@@ -53,4 +53,14 @@ var (
 
 	// C2PResolverTestOnlyTrafficDirectorURI is the TD URI for testing.
 	C2PResolverTestOnlyTrafficDirectorURI = os.Getenv("GRPC_TEST_ONLY_GOOGLE_C2P_RESOLVER_TRAFFIC_DIRECTOR_URI")
+
+	// XDSDualstackEndpointsEnabled is true if gRPC should read the
+	// "additional addresses" in the xDS endpoint resource.
+	XDSDualstackEndpointsEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_DUALSTACK_ENDPOINTS", true)
+
+	// XDSSystemRootCertsEnabled is true when xDS enabled gRPC clients can use
+	// the system's default root certificates for TLS certificate validation.
+	// For more details, see:
+	// https://github.com/grpc/proposal/blob/master/A82-xds-system-root-certs.md.
+	XDSSystemRootCertsEnabled = boolFromEnv("GRPC_EXPERIMENTAL_XDS_SYSTEM_ROOT_CERTS", false)
 )

vendor/google.golang.org/grpc/internal/grpcsync/oncefunc.go

@@ -1,32 +0,0 @@
-/*
- *
- * Copyright 2022 gRPC authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-package grpcsync
-
-import (
-	"sync"
-)
-
-// OnceFunc returns a function wrapping f which ensures f is only executed
-// once even if the returned function is executed multiple times.
-func OnceFunc(f func()) func() {
-	var once sync.Once
-	return func() {
-		once.Do(f)
-	}
-}

vendor/google.golang.org/grpc/internal/internal.go

@@ -31,6 +31,10 @@ import (
 var (
 	// HealthCheckFunc is used to provide client-side LB channel health checking
 	HealthCheckFunc HealthChecker
+	// RegisterClientHealthCheckListener is used to provide a listener for
+	// updates from the client-side health checking service. It returns a
+	// function that can be called to stop the health producer.
+	RegisterClientHealthCheckListener any // func(ctx context.Context, sc balancer.SubConn, serviceName string, listener func(balancer.SubConnState)) func()
 	// BalancerUnregister is exported by package balancer to unregister a balancer.
 	BalancerUnregister func(name string)
 	// KeepaliveMinPingTime is the minimum ping interval.  This must be 10s by
@@ -60,6 +64,9 @@ var (
 	// gRPC server. An xDS-enabled server needs to know what type of credentials
 	// is configured on the underlying gRPC server. This is set by server.go.
 	GetServerCredentials any // func (*grpc.Server) credentials.TransportCredentials
+	// MetricsRecorderForServer returns the MetricsRecorderList derived from a
+	// server's stats handlers.
+	MetricsRecorderForServer any // func (*grpc.Server) estats.MetricsRecorder
 	// CanonicalString returns the canonical string of the code defined here:
 	// https://github.com/grpc/grpc/blob/master/doc/statuscodes.md.
 	//
@@ -147,6 +154,20 @@ var (
 	// other features, including the CSDS service.
 	NewXDSResolverWithConfigForTesting any // func([]byte) (resolver.Builder, error)
 
+	// NewXDSResolverWithPoolForTesting creates a new xDS resolver builder
+	// using the provided xDS pool 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.
+	NewXDSResolverWithPoolForTesting any // func(*xdsclient.Pool) (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.
@@ -273,3 +294,9 @@ const RLSLoadBalancingPolicyName = "rls_experimental"
 type EnforceSubConnEmbedding interface {
 	enforceSubConnEmbedding()
 }
+
+// EnforceClientConnEmbedding is used to enforce proper ClientConn implementation
+// embedding.
+type EnforceClientConnEmbedding interface {
+	enforceClientConnEmbedding()
+}

vendor/google.golang.org/grpc/internal/proxyattributes/proxyattributes.go

@@ -0,0 +1,54 @@
+/*
+ *
+ * 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 proxyattributes contains functions for getting and setting proxy
+// attributes like the CONNECT address and user info.
+package proxyattributes
+
+import (
+	"net/url"
+
+	"google.golang.org/grpc/resolver"
+)
+
+type keyType string
+
+const proxyOptionsKey = keyType("grpc.resolver.delegatingresolver.proxyOptions")
+
+// Options holds the proxy connection details needed during the CONNECT
+// handshake.
+type Options struct {
+	User        *url.Userinfo
+	ConnectAddr string
+}
+
+// Set returns a copy of addr with opts set in its attributes.
+func Set(addr resolver.Address, opts Options) resolver.Address {
+	addr.Attributes = addr.Attributes.WithValue(proxyOptionsKey, opts)
+	return addr
+}
+
+// Get returns the Options for the proxy [resolver.Address] and a boolean
+// value representing if the attribute is present or not. The returned data
+// should not be mutated.
+func Get(addr resolver.Address) (Options, bool) {
+	if a := addr.Attributes.Value(proxyOptionsKey); a != nil {
+		return a.(Options), true
+	}
+	return Options{}, false
+}

vendor/google.golang.org/grpc/internal/resolver/delegatingresolver/delegatingresolver.go

@@ -0,0 +1,329 @@
+/*
+ *
+ * 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 delegatingresolver implements a resolver capable of resolving both
+// target URIs and proxy addresses.
+package delegatingresolver
+
+import (
+	"fmt"
+	"net/http"
+	"net/url"
+	"sync"
+
+	"google.golang.org/grpc/grpclog"
+	"google.golang.org/grpc/internal/proxyattributes"
+	"google.golang.org/grpc/resolver"
+	"google.golang.org/grpc/serviceconfig"
+)
+
+var (
+	logger = grpclog.Component("delegating-resolver")
+	// HTTPSProxyFromEnvironment will be overwritten in the tests
+	HTTPSProxyFromEnvironment = http.ProxyFromEnvironment
+)
+
+// delegatingResolver manages both target URI and proxy address resolution by
+// delegating these tasks to separate child resolvers. Essentially, it acts as
+// a intermediary between the gRPC ClientConn and the child resolvers.
+//
+// It implements the [resolver.Resolver] interface.
+type delegatingResolver struct {
+	target         resolver.Target     // parsed target URI to be resolved
+	cc             resolver.ClientConn // gRPC ClientConn
+	targetResolver resolver.Resolver   // resolver for the target URI, based on its scheme
+	proxyResolver  resolver.Resolver   // resolver for the proxy URI; nil if no proxy is configured
+	proxyURL       *url.URL            // proxy URL, derived from proxy environment and target
+
+	mu                  sync.Mutex         // protects all the fields below
+	targetResolverState *resolver.State    // state of the target resolver
+	proxyAddrs          []resolver.Address // resolved proxy addresses; empty if no proxy is configured
+}
+
+// nopResolver is a resolver that does nothing.
+type nopResolver struct{}
+
+func (nopResolver) ResolveNow(resolver.ResolveNowOptions) {}
+
+func (nopResolver) Close() {}
+
+// proxyURLForTarget determines the proxy URL for the given address based on
+// the environment. It can return the following:
+//   - nil URL, nil error: No proxy is configured or the address is excluded
+//     using the `NO_PROXY` environment variable or if req.URL.Host is
+//     "localhost" (with or without // a port number)
+//   - nil URL, non-nil error: An error occurred while retrieving the proxy URL.
+//   - non-nil URL, nil error: A proxy is configured, and the proxy URL was
+//     retrieved successfully without any errors.
+func proxyURLForTarget(address string) (*url.URL, error) {
+	req := &http.Request{URL: &url.URL{
+		Scheme: "https",
+		Host:   address,
+	}}
+	return HTTPSProxyFromEnvironment(req)
+}
+
+// New creates a new delegating resolver that can create up to two child
+// resolvers:
+//   - one to resolve the proxy address specified using the supported
+//     environment variables. This uses the registered resolver for the "dns"
+//     scheme.
+//   - one to resolve the target URI using the resolver specified by the scheme
+//     in the target URI or specified by the user using the WithResolvers dial
+//     option. As a special case, if the target URI's scheme is "dns" and a
+//     proxy is specified using the supported environment variables, the target
+//     URI's path portion is used as the resolved address unless target
+//     resolution is enabled using the dial option.
+func New(target resolver.Target, cc resolver.ClientConn, opts resolver.BuildOptions, targetResolverBuilder resolver.Builder, targetResolutionEnabled bool) (resolver.Resolver, error) {
+	r := &delegatingResolver{
+		target: target,
+		cc:     cc,
+	}
+
+	var err error
+	r.proxyURL, err = proxyURLForTarget(target.Endpoint())
+	if err != nil {
+		return nil, fmt.Errorf("delegating_resolver: failed to determine proxy URL for target %s: %v", target, err)
+	}
+
+	// proxy is not configured or proxy address excluded using `NO_PROXY` env
+	// var, so only target resolver is used.
+	if r.proxyURL == nil {
+		return targetResolverBuilder.Build(target, cc, opts)
+	}
+
+	if logger.V(2) {
+		logger.Infof("Proxy URL detected : %s", r.proxyURL)
+	}
+
+	// When the scheme is 'dns' and target resolution on client is not enabled,
+	// resolution should be handled by the proxy, not the client. Therefore, we
+	// bypass the target resolver and store the unresolved target address.
+	if target.URL.Scheme == "dns" && !targetResolutionEnabled {
+		state := resolver.State{
+			Addresses: []resolver.Address{{Addr: target.Endpoint()}},
+			Endpoints: []resolver.Endpoint{{Addresses: []resolver.Address{{Addr: target.Endpoint()}}}},
+		}
+		r.targetResolverState = &state
+	} else {
+		wcc := &wrappingClientConn{
+			stateListener: r.updateTargetResolverState,
+			parent:        r,
+		}
+		if r.targetResolver, err = targetResolverBuilder.Build(target, wcc, opts); err != nil {
+			return nil, fmt.Errorf("delegating_resolver: unable to build the resolver for target %s: %v", target, err)
+		}
+	}
+
+	if r.proxyResolver, err = r.proxyURIResolver(opts); err != nil {
+		return nil, fmt.Errorf("delegating_resolver: failed to build resolver for proxy URL %q: %v", r.proxyURL, err)
+	}
+
+	if r.targetResolver == nil {
+		r.targetResolver = nopResolver{}
+	}
+	if r.proxyResolver == nil {
+		r.proxyResolver = nopResolver{}
+	}
+	return r, nil
+}
+
+// proxyURIResolver creates a resolver for resolving proxy URIs using the
+// "dns" scheme. It adjusts the proxyURL to conform to the "dns:///" format and
+// builds a resolver with a wrappingClientConn to capture resolved addresses.
+func (r *delegatingResolver) proxyURIResolver(opts resolver.BuildOptions) (resolver.Resolver, error) {
+	proxyBuilder := resolver.Get("dns")
+	if proxyBuilder == nil {
+		panic("delegating_resolver: resolver for proxy not found for scheme dns")
+	}
+	url := *r.proxyURL
+	url.Scheme = "dns"
+	url.Path = "/" + r.proxyURL.Host
+	url.Host = "" // Clear the Host field to conform to the "dns:///" format
+
+	proxyTarget := resolver.Target{URL: url}
+	wcc := &wrappingClientConn{
+		stateListener: r.updateProxyResolverState,
+		parent:        r,
+	}
+	return proxyBuilder.Build(proxyTarget, wcc, opts)
+}
+
+func (r *delegatingResolver) ResolveNow(o resolver.ResolveNowOptions) {
+	r.targetResolver.ResolveNow(o)
+	r.proxyResolver.ResolveNow(o)
+}
+
+func (r *delegatingResolver) Close() {
+	r.targetResolver.Close()
+	r.targetResolver = nil
+
+	r.proxyResolver.Close()
+	r.proxyResolver = nil
+}
+
+// updateClientConnStateLocked creates a list of combined addresses by
+// pairing each proxy address with every target address. For each pair, it
+// generates a new [resolver.Address] using the proxy address, and adding the
+// target address as the attribute along with user info. It returns nil if
+// either resolver has not sent update even once and returns the error from
+// ClientConn update once both resolvers have sent update atleast once.
+func (r *delegatingResolver) updateClientConnStateLocked() error {
+	if r.targetResolverState == nil || r.proxyAddrs == nil {
+		return nil
+	}
+
+	curState := *r.targetResolverState
+	// If multiple resolved proxy addresses are present, we send only the
+	// unresolved proxy host and let net.Dial handle the proxy host name
+	// resolution when creating the transport. Sending all resolved addresses
+	// would increase the number of addresses passed to the ClientConn and
+	// subsequently to load balancing (LB) policies like Round Robin, leading
+	// to additional TCP connections. However, if there's only one resolved
+	// proxy address, we send it directly, as it doesn't affect the address
+	// count returned by the target resolver and the address count sent to the
+	// ClientConn.
+	var proxyAddr resolver.Address
+	if len(r.proxyAddrs) == 1 {
+		proxyAddr = r.proxyAddrs[0]
+	} else {
+		proxyAddr = resolver.Address{Addr: r.proxyURL.Host}
+	}
+	var addresses []resolver.Address
+	for _, targetAddr := range (*r.targetResolverState).Addresses {
+		addresses = append(addresses, proxyattributes.Set(proxyAddr, proxyattributes.Options{
+			User:        r.proxyURL.User,
+			ConnectAddr: targetAddr.Addr,
+		}))
+	}
+
+	// Create a list of combined endpoints by pairing all proxy endpoints
+	// with every target endpoint. Each time, it constructs a new
+	// [resolver.Endpoint] using the all addresses from all the proxy endpoint
+	// and the target addresses from one endpoint. The target address and user
+	// information from the proxy URL are added as attributes to the proxy
+	// address.The resulting list of addresses is then grouped into endpoints,
+	// covering all combinations of proxy and target endpoints.
+	var endpoints []resolver.Endpoint
+	for _, endpt := range (*r.targetResolverState).Endpoints {
+		var addrs []resolver.Address
+		for _, proxyAddr := range r.proxyAddrs {
+			for _, targetAddr := range endpt.Addresses {
+				addrs = append(addrs, proxyattributes.Set(proxyAddr, proxyattributes.Options{
+					User:        r.proxyURL.User,
+					ConnectAddr: targetAddr.Addr,
+				}))
+			}
+		}
+		endpoints = append(endpoints, resolver.Endpoint{Addresses: addrs})
+	}
+	// Use the targetResolverState for its service config and attributes
+	// contents. The state update is only sent after both the target and proxy
+	// resolvers have sent their updates, and curState has been updated with
+	// the combined addresses.
+	curState.Addresses = addresses
+	curState.Endpoints = endpoints
+	return r.cc.UpdateState(curState)
+}
+
+// updateProxyResolverState updates the proxy resolver state by storing proxy
+// addresses and endpoints, marking the resolver as ready, and triggering a
+// state update if both proxy and target resolvers are ready. If the ClientConn
+// returns a non-nil error, it calls `ResolveNow()` on the target resolver.  It
+// is a StateListener function of wrappingClientConn passed to the proxy resolver.
+func (r *delegatingResolver) updateProxyResolverState(state resolver.State) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	if logger.V(2) {
+		logger.Infof("Addresses received from proxy resolver: %s", state.Addresses)
+	}
+	if len(state.Endpoints) > 0 {
+		// We expect exactly one address per endpoint because the proxy
+		// resolver uses "dns" resolution.
+		r.proxyAddrs = make([]resolver.Address, 0, len(state.Endpoints))
+		for _, endpoint := range state.Endpoints {
+			r.proxyAddrs = append(r.proxyAddrs, endpoint.Addresses...)
+		}
+	} else if state.Addresses != nil {
+		r.proxyAddrs = state.Addresses
+	} else {
+		r.proxyAddrs = []resolver.Address{} // ensure proxyAddrs is non-nil to indicate an update has been received
+	}
+	err := r.updateClientConnStateLocked()
+	// Another possible approach was to block until updates are received from
+	// both resolvers. But this is not used because calling `New()` triggers
+	// `Build()`  for the first resolver, which calls `UpdateState()`. And the
+	// second resolver hasn't sent an update yet, so it would cause `New()` to
+	// block indefinitely.
+	if err != nil {
+		r.targetResolver.ResolveNow(resolver.ResolveNowOptions{})
+	}
+	return err
+}
+
+// updateTargetResolverState updates the target resolver state by storing target
+// addresses, endpoints, and service config, marking the resolver as ready, and
+// triggering a state update if both resolvers are ready. If the ClientConn
+// returns a non-nil error, it calls `ResolveNow()` on the proxy resolver. It
+// is a StateListener function of wrappingClientConn passed to the target resolver.
+func (r *delegatingResolver) updateTargetResolverState(state resolver.State) error {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+
+	if logger.V(2) {
+		logger.Infof("Addresses received from target resolver: %v", state.Addresses)
+	}
+	r.targetResolverState = &state
+	err := r.updateClientConnStateLocked()
+	if err != nil {
+		r.proxyResolver.ResolveNow(resolver.ResolveNowOptions{})
+	}
+	return nil
+}
+
+// wrappingClientConn serves as an intermediary between the parent ClientConn
+// and the child resolvers created here. It implements the resolver.ClientConn
+// interface and is passed in that capacity to the child resolvers.
+type wrappingClientConn struct {
+	// Callback to deliver resolver state updates
+	stateListener func(state resolver.State) error
+	parent        *delegatingResolver
+}
+
+// UpdateState receives resolver state updates and forwards them to the
+// appropriate listener function (either for the proxy or target resolver).
+func (wcc *wrappingClientConn) UpdateState(state resolver.State) error {
+	return wcc.stateListener(state)
+}
+
+// ReportError intercepts errors from the child resolvers and passes them to ClientConn.
+func (wcc *wrappingClientConn) ReportError(err error) {
+	wcc.parent.cc.ReportError(err)
+}
+
+// NewAddress intercepts the new resolved address from the child resolvers and
+// passes them to ClientConn.
+func (wcc *wrappingClientConn) NewAddress(addrs []resolver.Address) {
+	wcc.UpdateState(resolver.State{Addresses: addrs})
+}
+
+// ParseServiceConfig parses the provided service config and returns an
+// object that provides the parsed config.
+func (wcc *wrappingClientConn) ParseServiceConfig(serviceConfigJSON string) *serviceconfig.ParseResult {
+	return wcc.parent.cc.ParseServiceConfig(serviceConfigJSON)
+}

vendor/google.golang.org/grpc/internal/transport/handler_server.go

@@ -498,5 +498,5 @@ func mapRecvMsgError(err error) error {
 	if strings.Contains(err.Error(), "body closed by handler") {
 		return status.Error(codes.Canceled, err.Error())
 	}
-	return connectionErrorf(true, err, err.Error())
+	return connectionErrorf(true, err, "%s", err.Error())
 }

vendor/google.golang.org/grpc/internal/transport/http2_client.go

@@ -43,6 +43,7 @@ import (
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/grpcutil"
 	imetadata "google.golang.org/grpc/internal/metadata"
+	"google.golang.org/grpc/internal/proxyattributes"
 	istatus "google.golang.org/grpc/internal/status"
 	isyscall "google.golang.org/grpc/internal/syscall"
 	"google.golang.org/grpc/internal/transport/networktype"
@@ -153,7 +154,7 @@ type http2Client struct {
 	logger       *grpclog.PrefixLogger
 }
 
-func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, useProxy bool, grpcUA string) (net.Conn, error) {
+func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error), addr resolver.Address, grpcUA string) (net.Conn, error) {
 	address := addr.Addr
 	networkType, ok := networktype.Get(addr)
 	if fn != nil {
@@ -177,8 +178,8 @@ func dial(ctx context.Context, fn func(context.Context, string) (net.Conn, error
 	if !ok {
 		networkType, address = parseDialTarget(address)
 	}
-	if networkType == "tcp" && useProxy {
-		return proxyDial(ctx, address, grpcUA)
+	if opts, present := proxyattributes.Get(addr); present {
+		return proxyDial(ctx, addr, grpcUA, opts)
 	}
 	return internal.NetDialerWithTCPKeepalive().DialContext(ctx, networkType, address)
 }
@@ -217,7 +218,7 @@ func NewHTTP2Client(connectCtx, ctx context.Context, addr resolver.Address, opts
 	// address specific arbitrary data to reach custom dialers and credential handshakers.
 	connectCtx = icredentials.NewClientHandshakeInfoContext(connectCtx, credentials.ClientHandshakeInfo{Attributes: addr.Attributes})
 
-	conn, err := dial(connectCtx, opts.Dialer, addr, opts.UseProxy, opts.UserAgent)
+	conn, err := dial(connectCtx, opts.Dialer, addr, opts.UserAgent)
 	if err != nil {
 		if opts.FailOnNonTempDialError {
 			return nil, connectionErrorf(isTemporary(err), err, "transport: error while dialing: %v", err)

vendor/google.golang.org/grpc/internal/transport/http2_server.go

@@ -564,7 +564,7 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 			t.logger.Infof("Aborting the stream early: %v", errMsg)
 		}
 		t.controlBuf.put(&earlyAbortStream{
-			httpStatus:     405,
+			httpStatus:     http.StatusMethodNotAllowed,
 			streamID:       streamID,
 			contentSubtype: s.contentSubtype,
 			status:         status.New(codes.Internal, errMsg),
@@ -585,7 +585,7 @@ func (t *http2Server) operateHeaders(ctx context.Context, frame *http2.MetaHeade
 				stat = status.New(codes.PermissionDenied, err.Error())
 			}
 			t.controlBuf.put(&earlyAbortStream{
-				httpStatus:     200,
+				httpStatus:     http.StatusOK,
 				streamID:       s.id,
 				contentSubtype: s.contentSubtype,
 				status:         stat,

vendor/google.golang.org/grpc/internal/transport/proxy.go

@@ -30,34 +30,16 @@ import (
 	"net/url"
 
 	"google.golang.org/grpc/internal"
+	"google.golang.org/grpc/internal/proxyattributes"
+	"google.golang.org/grpc/resolver"
 )
 
 const proxyAuthHeaderKey = "Proxy-Authorization"
 
-var (
-	// The following variable will be overwritten in the tests.
-	httpProxyFromEnvironment = http.ProxyFromEnvironment
-)
-
-func mapAddress(address string) (*url.URL, error) {
-	req := &http.Request{
-		URL: &url.URL{
-			Scheme: "https",
-			Host:   address,
-		},
-	}
-	url, err := httpProxyFromEnvironment(req)
-	if err != nil {
-		return nil, err
-	}
-	return url, nil
-}
-
 // To read a response from a net.Conn, http.ReadResponse() takes a bufio.Reader.
-// It's possible that this reader reads more than what's need for the response and stores
-// those bytes in the buffer.
-// bufConn wraps the original net.Conn and the bufio.Reader to make sure we don't lose the
-// bytes in the buffer.
+// It's possible that this reader reads more than what's need for the response
+// and stores those bytes in the buffer. bufConn wraps the original net.Conn
+// and the bufio.Reader to make sure we don't lose the bytes in the buffer.
 type bufConn struct {
 	net.Conn
 	r io.Reader
@@ -72,7 +54,7 @@ func basicAuth(username, password string) string {
 	return base64.StdEncoding.EncodeToString([]byte(auth))
 }
 
-func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr string, proxyURL *url.URL, grpcUA string) (_ net.Conn, err error) {
+func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, grpcUA string, opts proxyattributes.Options) (_ net.Conn, err error) {
 	defer func() {
 		if err != nil {
 			conn.Close()
@@ -81,15 +63,14 @@ func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr stri
 
 	req := &http.Request{
 		Method: http.MethodConnect,
-		URL:    &url.URL{Host: backendAddr},
+		URL:    &url.URL{Host: opts.ConnectAddr},
 		Header: map[string][]string{"User-Agent": {grpcUA}},
 	}
-	if t := proxyURL.User; t != nil {
-		u := t.Username()
-		p, _ := t.Password()
+	if user := opts.User; user != nil {
+		u := user.Username()
+		p, _ := user.Password()
 		req.Header.Add(proxyAuthHeaderKey, "Basic "+basicAuth(u, p))
 	}
-
 	if err := sendHTTPRequest(ctx, req, conn); err != nil {
 		return nil, fmt.Errorf("failed to write the HTTP request: %v", err)
 	}
@@ -117,28 +98,13 @@ func doHTTPConnectHandshake(ctx context.Context, conn net.Conn, backendAddr stri
 	return conn, nil
 }
 
-// proxyDial dials, connecting to a proxy first if necessary. Checks if a proxy
-// is necessary, dials, does the HTTP CONNECT handshake, and returns the
-// connection.
-func proxyDial(ctx context.Context, addr string, grpcUA string) (net.Conn, error) {
-	newAddr := addr
-	proxyURL, err := mapAddress(addr)
+// proxyDial establishes a TCP connection to the specified address and performs an HTTP CONNECT handshake.
+func proxyDial(ctx context.Context, addr resolver.Address, grpcUA string, opts proxyattributes.Options) (net.Conn, error) {
+	conn, err := internal.NetDialerWithTCPKeepalive().DialContext(ctx, "tcp", addr.Addr)
 	if err != nil {
 		return nil, err
 	}
-	if proxyURL != nil {
-		newAddr = proxyURL.Host
-	}
-
-	conn, err := internal.NetDialerWithTCPKeepalive().DialContext(ctx, "tcp", newAddr)
-	if err != nil {
-		return nil, err
-	}
-	if proxyURL == nil {
-		// proxy is disabled if proxyURL is nil.
-		return conn, err
-	}
-	return doHTTPConnectHandshake(ctx, conn, addr, proxyURL, grpcUA)
+	return doHTTPConnectHandshake(ctx, conn, grpcUA, opts)
 }
 
 func sendHTTPRequest(ctx context.Context, req *http.Request, conn net.Conn) error {

vendor/google.golang.org/grpc/internal/transport/transport.go

@@ -502,8 +502,6 @@ type ConnectOptions struct {
 	ChannelzParent *channelz.SubChannel
 	// MaxHeaderListSize sets the max (uncompressed) size of header list that is prepared to be received.
 	MaxHeaderListSize *uint32
-	// UseProxy specifies if a proxy should be used.
-	UseProxy bool
 	// The mem.BufferPool to use when reading/writing to the wire.
 	BufferPool mem.BufferPool
 }

vendor/google.golang.org/grpc/picker_wrapper.go

@@ -123,7 +123,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				if lastPickErr != nil {
 					errStr = "latest balancer error: " + lastPickErr.Error()
 				} else {
-					errStr = fmt.Sprintf("received context error while waiting for new LB policy update: %s", ctx.Err().Error())
+					errStr = fmt.Sprintf("%v while waiting for connections to become ready", ctx.Err())
 				}
 				switch ctx.Err() {
 				case context.DeadlineExceeded:

vendor/google.golang.org/grpc/resolver/resolver.go

@@ -30,6 +30,7 @@ import (
 
 	"google.golang.org/grpc/attributes"
 	"google.golang.org/grpc/credentials"
+	"google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/serviceconfig"
 )
@@ -175,6 +176,8 @@ type BuildOptions struct {
 	// Authority is the effective authority of the clientconn for which the
 	// resolver is built.
 	Authority string
+	// MetricsRecorder is the metrics recorder to do recording.
+	MetricsRecorder stats.MetricsRecorder
 }
 
 // An Endpoint is one network endpoint, or server, which may have multiple

vendor/google.golang.org/grpc/resolver_wrapper.go

@@ -26,6 +26,7 @@ import (
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/pretty"
+	"google.golang.org/grpc/internal/resolver/delegatingresolver"
 	"google.golang.org/grpc/resolver"
 	"google.golang.org/grpc/serviceconfig"
 )
@@ -76,9 +77,19 @@ func (ccr *ccResolverWrapper) start() error {
 			CredsBundle:          ccr.cc.dopts.copts.CredsBundle,
 			Dialer:               ccr.cc.dopts.copts.Dialer,
 			Authority:            ccr.cc.authority,
+			MetricsRecorder:      ccr.cc.metricsRecorderList,
 		}
 		var err error
-		ccr.resolver, err = ccr.cc.resolverBuilder.Build(ccr.cc.parsedTarget, ccr, opts)
+		// The delegating resolver is used unless:
+		//   - A custom dialer is provided via WithContextDialer dialoption or
+		//   - Proxy usage is disabled through WithNoProxy dialoption.
+		// In these cases, the resolver is built based on the scheme of target,
+		// using the appropriate resolver builder.
+		if ccr.cc.dopts.copts.Dialer != nil || !ccr.cc.dopts.useProxy {
+			ccr.resolver, err = ccr.cc.resolverBuilder.Build(ccr.cc.parsedTarget, ccr, opts)
+		} else {
+			ccr.resolver, err = delegatingresolver.New(ccr.cc.parsedTarget, ccr, opts, ccr.cc.resolverBuilder, ccr.cc.dopts.enableLocalDNSResolution)
+		}
 		errCh <- err
 	})
 	return <-errCh

vendor/google.golang.org/grpc/rpc_util.go

@@ -151,7 +151,7 @@ func (d *gzipDecompressor) Type() string {
 
 // callInfo contains all related configuration and information about an RPC.
 type callInfo struct {
-	compressorType        string
+	compressorName        string
 	failFast              bool
 	maxReceiveMessageSize *int
 	maxSendMessageSize    *int
@@ -222,7 +222,7 @@ type HeaderCallOption struct {
 
 func (o HeaderCallOption) before(*callInfo) error { return nil }
 func (o HeaderCallOption) after(_ *callInfo, attempt *csAttempt) {
-	*o.HeaderAddr, _ = attempt.s.Header()
+	*o.HeaderAddr, _ = attempt.transportStream.Header()
 }
 
 // Trailer returns a CallOptions that retrieves the trailer metadata
@@ -244,7 +244,7 @@ type TrailerCallOption struct {
 
 func (o TrailerCallOption) before(*callInfo) error { return nil }
 func (o TrailerCallOption) after(_ *callInfo, attempt *csAttempt) {
-	*o.TrailerAddr = attempt.s.Trailer()
+	*o.TrailerAddr = attempt.transportStream.Trailer()
 }
 
 // Peer returns a CallOption that retrieves peer information for a unary RPC.
@@ -266,7 +266,7 @@ type PeerCallOption struct {
 
 func (o PeerCallOption) before(*callInfo) error { return nil }
 func (o PeerCallOption) after(_ *callInfo, attempt *csAttempt) {
-	if x, ok := peer.FromContext(attempt.s.Context()); ok {
+	if x, ok := peer.FromContext(attempt.transportStream.Context()); ok {
 		*o.PeerAddr = *x
 	}
 }
@@ -435,7 +435,7 @@ type CompressorCallOption struct {
 }
 
 func (o CompressorCallOption) before(c *callInfo) error {
-	c.compressorType = o.CompressorType
+	c.compressorName = o.CompressorType
 	return nil
 }
 func (o CompressorCallOption) after(*callInfo, *csAttempt) {}
@@ -692,9 +692,9 @@ func encode(c baseCodec, msg any) (mem.BufferSlice, error) {
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "grpc: error while marshaling: %v", err.Error())
 	}
-	if uint(b.Len()) > math.MaxUint32 {
+	if bufSize := uint(b.Len()); bufSize > math.MaxUint32 {
 		b.Free()
-		return nil, status.Errorf(codes.ResourceExhausted, "grpc: message too large (%d bytes)", len(b))
+		return nil, status.Errorf(codes.ResourceExhausted, "grpc: message too large (%d bytes)", bufSize)
 	}
 	return b, nil
 }
@@ -828,30 +828,13 @@ func recvAndDecompress(p *parser, s recvCompressor, dc Decompressor, maxReceiveM
 		return nil, st.Err()
 	}
 
-	var size int
 	if pf.isCompressed() {
 		defer compressed.Free()
-
 		// To match legacy behavior, if the decompressor is set by WithDecompressor or RPCDecompressor,
 		// use this decompressor as the default.
-		if dc != nil {
-			var uncompressedBuf []byte
-			uncompressedBuf, err = dc.Do(compressed.Reader())
-			if err == nil {
-				out = mem.BufferSlice{mem.SliceBuffer(uncompressedBuf)}
-			}
-			size = len(uncompressedBuf)
-		} else {
-			out, size, err = decompress(compressor, compressed, maxReceiveMessageSize, p.bufferPool)
-		}
+		out, err = decompress(compressor, compressed, dc, maxReceiveMessageSize, p.bufferPool)
 		if err != nil {
-			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err)
-		}
-		if size > maxReceiveMessageSize {
-			out.Free()
-			// TODO: Revisit the error code. Currently keep it consistent with java
-			// implementation.
-			return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max (%d vs. %d)", size, maxReceiveMessageSize)
+			return nil, err
 		}
 	} else {
 		out = compressed
@@ -866,20 +849,46 @@ func recvAndDecompress(p *parser, s recvCompressor, dc Decompressor, maxReceiveM
 	return out, nil
 }
 
-// Using compressor, decompress d, returning data and size.
-// Optionally, if data will be over maxReceiveMessageSize, just return the size.
-func decompress(compressor encoding.Compressor, d mem.BufferSlice, maxReceiveMessageSize int, pool mem.BufferPool) (mem.BufferSlice, int, error) {
-	dcReader, err := compressor.Decompress(d.Reader())
-	if err != nil {
-		return nil, 0, err
+// decompress processes the given data by decompressing it using either a custom decompressor or a standard compressor.
+// If a custom decompressor is provided, it takes precedence. The function validates that the decompressed data
+// does not exceed the specified maximum size and returns an error if this limit is exceeded.
+// On success, it returns the decompressed data. Otherwise, it returns an error if decompression fails or the data exceeds the size limit.
+func decompress(compressor encoding.Compressor, d mem.BufferSlice, dc Decompressor, maxReceiveMessageSize int, pool mem.BufferPool) (mem.BufferSlice, error) {
+	if dc != nil {
+		uncompressed, err := dc.Do(d.Reader())
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the received message: %v", err)
+		}
+		if len(uncompressed) > maxReceiveMessageSize {
+			return nil, status.Errorf(codes.ResourceExhausted, "grpc: message after decompression larger than max (%d vs. %d)", len(uncompressed), maxReceiveMessageSize)
+		}
+		return mem.BufferSlice{mem.SliceBuffer(uncompressed)}, nil
 	}
+	if compressor != nil {
+		dcReader, err := compressor.Decompress(d.Reader())
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "grpc: failed to decompress the message: %v", err)
+		}
 
-	out, err := mem.ReadAll(io.LimitReader(dcReader, int64(maxReceiveMessageSize)+1), pool)
-	if err != nil {
-		out.Free()
-		return nil, 0, err
+		out, err := mem.ReadAll(io.LimitReader(dcReader, int64(maxReceiveMessageSize)), pool)
+		if err != nil {
+			out.Free()
+			return nil, status.Errorf(codes.Internal, "grpc: failed to read decompressed data: %v", err)
+		}
+
+		if out.Len() == maxReceiveMessageSize && !atEOF(dcReader) {
+			out.Free()
+			return nil, status.Errorf(codes.ResourceExhausted, "grpc: received message after decompression larger than max %d", maxReceiveMessageSize)
+		}
+		return out, nil
 	}
-	return out, out.Len(), nil
+	return nil, status.Errorf(codes.Internal, "grpc: no decompressor available for compressed payload")
+}
+
+// atEOF reads data from r and returns true if zero bytes could be read and r.Read returns EOF.
+func atEOF(dcReader io.Reader) bool {
+	n, err := dcReader.Read(make([]byte, 1))
+	return n == 0 && err == io.EOF
 }
 
 type recvCompressor interface {

vendor/google.golang.org/grpc/server.go

@@ -37,12 +37,14 @@ import (
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/encoding"
 	"google.golang.org/grpc/encoding/proto"
+	estats "google.golang.org/grpc/experimental/stats"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/internal/binarylog"
 	"google.golang.org/grpc/internal/channelz"
 	"google.golang.org/grpc/internal/grpcsync"
 	"google.golang.org/grpc/internal/grpcutil"
+	istats "google.golang.org/grpc/internal/stats"
 	"google.golang.org/grpc/internal/transport"
 	"google.golang.org/grpc/keepalive"
 	"google.golang.org/grpc/mem"
@@ -82,6 +84,9 @@ func init() {
 	internal.BinaryLogger = binaryLogger
 	internal.JoinServerOptions = newJoinServerOption
 	internal.BufferPool = bufferPool
+	internal.MetricsRecorderForServer = func(srv *Server) estats.MetricsRecorder {
+		return istats.NewMetricsRecorderList(srv.opts.statsHandlers)
+	}
 }
 
 var statusOK = status.New(codes.OK, "")
@@ -643,7 +648,7 @@ func (s *Server) serverWorker() {
 // connections to reduce the time spent overall on runtime.morestack.
 func (s *Server) initServerWorkers() {
 	s.serverWorkerChannel = make(chan func())
-	s.serverWorkerChannelClose = grpcsync.OnceFunc(func() {
+	s.serverWorkerChannelClose = sync.OnceFunc(func() {
 		close(s.serverWorkerChannel)
 	})
 	for i := uint32(0); i < s.opts.numServerWorkers; i++ {
@@ -1360,8 +1365,16 @@ func (s *Server) processUnaryRPC(ctx context.Context, stream *transport.ServerSt
 		}
 		return err
 	}
-	defer d.Free()
+	freed := false
+	dataFree := func() {
+		if !freed {
+			d.Free()
+			freed = true
+		}
+	}
+	defer dataFree()
 	df := func(v any) error {
+		defer dataFree()
 		if err := s.getCodec(stream.ContentSubtype()).Unmarshal(d, v); err != nil {
 			return status.Errorf(codes.Internal, "grpc: error unmarshalling request: %v", err)
 		}
@@ -1637,10 +1650,10 @@ func (s *Server) processStreamingRPC(ctx context.Context, stream *transport.Serv
 	// If dc is set and matches the stream's compression, use it.  Otherwise, try
 	// to find a matching registered compressor for decomp.
 	if rc := stream.RecvCompress(); s.opts.dc != nil && s.opts.dc.Type() == rc {
-		ss.dc = s.opts.dc
+		ss.decompressorV0 = s.opts.dc
 	} else if rc != "" && rc != encoding.Identity {
-		ss.decomp = encoding.GetCompressor(rc)
-		if ss.decomp == nil {
+		ss.decompressorV1 = encoding.GetCompressor(rc)
+		if ss.decompressorV1 == nil {
 			st := status.Newf(codes.Unimplemented, "grpc: Decompressor is not installed for grpc-encoding %q", rc)
 			ss.s.WriteStatus(st)
 			return st.Err()
@@ -1652,12 +1665,12 @@ func (s *Server) processStreamingRPC(ctx context.Context, stream *transport.Serv
 	//
 	// NOTE: this needs to be ahead of all handling, https://github.com/grpc/grpc-go/issues/686.
 	if s.opts.cp != nil {
-		ss.cp = s.opts.cp
+		ss.compressorV0 = s.opts.cp
 		ss.sendCompressorName = s.opts.cp.Type()
 	} else if rc := stream.RecvCompress(); rc != "" && rc != encoding.Identity {
 		// Legacy compressor not specified; attempt to respond with same encoding.
-		ss.comp = encoding.GetCompressor(rc)
-		if ss.comp != nil {
+		ss.compressorV1 = encoding.GetCompressor(rc)
+		if ss.compressorV1 != nil {
 			ss.sendCompressorName = rc
 		}
 	}
@@ -1668,7 +1681,7 @@ func (s *Server) processStreamingRPC(ctx context.Context, stream *transport.Serv
 		}
 	}
 
-	ss.ctx = newContextWithRPCInfo(ss.ctx, false, ss.codec, ss.cp, ss.comp)
+	ss.ctx = newContextWithRPCInfo(ss.ctx, false, ss.codec, ss.compressorV0, ss.compressorV1)
 
 	if trInfo != nil {
 		trInfo.tr.LazyLog(&trInfo.firstLine, false)
@@ -1922,7 +1935,7 @@ func (s *Server) stop(graceful bool) {
 	s.conns = nil
 
 	if s.opts.numServerWorkers > 0 {
-		// Closing the channel (only once, via grpcsync.OnceFunc) after all the
+		// Closing the channel (only once, via sync.OnceFunc) after all the
 		// connections have been closed above ensures that there are no
 		// goroutines executing the callback passed to st.HandleStreams (where
 		// the channel is written to).

vendor/google.golang.org/grpc/service_config.go

@@ -268,18 +268,21 @@ func parseServiceConfig(js string, maxAttempts int) *serviceconfig.ParseResult {
 	return &serviceconfig.ParseResult{Config: &sc}
 }
 
+func isValidRetryPolicy(jrp *jsonRetryPolicy) bool {
+	return jrp.MaxAttempts > 1 &&
+		jrp.InitialBackoff > 0 &&
+		jrp.MaxBackoff > 0 &&
+		jrp.BackoffMultiplier > 0 &&
+		len(jrp.RetryableStatusCodes) > 0
+}
+
 func convertRetryPolicy(jrp *jsonRetryPolicy, maxAttempts int) (p *internalserviceconfig.RetryPolicy, err error) {
 	if jrp == nil {
 		return nil, nil
 	}
 
-	if jrp.MaxAttempts <= 1 ||
-		jrp.InitialBackoff <= 0 ||
-		jrp.MaxBackoff <= 0 ||
-		jrp.BackoffMultiplier <= 0 ||
-		len(jrp.RetryableStatusCodes) == 0 {
-		logger.Warningf("grpc: ignoring retry policy %v due to illegal configuration", jrp)
-		return nil, nil
+	if !isValidRetryPolicy(jrp) {
+		return nil, fmt.Errorf("invalid retry policy (%+v): ", jrp)
 	}
 
 	if jrp.MaxAttempts < maxAttempts {

vendor/google.golang.org/grpc/stream.go

@@ -258,9 +258,9 @@ func newClientStream(ctx context.Context, desc *StreamDesc, cc *ClientConn, meth
 }
 
 func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *ClientConn, method string, mc serviceconfig.MethodConfig, onCommit, doneFunc func(), opts ...CallOption) (_ iresolver.ClientStream, err error) {
-	c := defaultCallInfo()
+	callInfo := defaultCallInfo()
 	if mc.WaitForReady != nil {
-		c.failFast = !*mc.WaitForReady
+		callInfo.failFast = !*mc.WaitForReady
 	}
 
 	// Possible context leak:
@@ -281,20 +281,20 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 	}()
 
 	for _, o := range opts {
-		if err := o.before(c); err != nil {
+		if err := o.before(callInfo); err != nil {
 			return nil, toRPCErr(err)
 		}
 	}
-	c.maxSendMessageSize = getMaxSize(mc.MaxReqSize, c.maxSendMessageSize, defaultClientMaxSendMessageSize)
-	c.maxReceiveMessageSize = getMaxSize(mc.MaxRespSize, c.maxReceiveMessageSize, defaultClientMaxReceiveMessageSize)
-	if err := setCallInfoCodec(c); err != nil {
+	callInfo.maxSendMessageSize = getMaxSize(mc.MaxReqSize, callInfo.maxSendMessageSize, defaultClientMaxSendMessageSize)
+	callInfo.maxReceiveMessageSize = getMaxSize(mc.MaxRespSize, callInfo.maxReceiveMessageSize, defaultClientMaxReceiveMessageSize)
+	if err := setCallInfoCodec(callInfo); err != nil {
 		return nil, err
 	}
 
 	callHdr := &transport.CallHdr{
 		Host:           cc.authority,
 		Method:         method,
-		ContentSubtype: c.contentSubtype,
+		ContentSubtype: callInfo.contentSubtype,
 		DoneFunc:       doneFunc,
 	}
 
@@ -302,22 +302,22 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 	// set.  In that case, also find the compressor from the encoding package.
 	// Otherwise, use the compressor configured by the WithCompressor DialOption,
 	// if set.
-	var cp Compressor
-	var comp encoding.Compressor
-	if ct := c.compressorType; ct != "" {
+	var compressorV0 Compressor
+	var compressorV1 encoding.Compressor
+	if ct := callInfo.compressorName; ct != "" {
 		callHdr.SendCompress = ct
 		if ct != encoding.Identity {
-			comp = encoding.GetCompressor(ct)
-			if comp == nil {
+			compressorV1 = encoding.GetCompressor(ct)
+			if compressorV1 == nil {
 				return nil, status.Errorf(codes.Internal, "grpc: Compressor is not installed for requested grpc-encoding %q", ct)
 			}
 		}
-	} else if cc.dopts.cp != nil {
-		callHdr.SendCompress = cc.dopts.cp.Type()
-		cp = cc.dopts.cp
+	} else if cc.dopts.compressorV0 != nil {
+		callHdr.SendCompress = cc.dopts.compressorV0.Type()
+		compressorV0 = cc.dopts.compressorV0
 	}
-	if c.creds != nil {
-		callHdr.Creds = c.creds
+	if callInfo.creds != nil {
+		callHdr.Creds = callInfo.creds
 	}
 
 	cs := &clientStream{
@@ -325,12 +325,12 @@ func newClientStreamWithParams(ctx context.Context, desc *StreamDesc, cc *Client
 		ctx:          ctx,
 		methodConfig: &mc,
 		opts:         opts,
-		callInfo:     c,
+		callInfo:     callInfo,
 		cc:           cc,
 		desc:         desc,
-		codec:        c.codec,
-		cp:           cp,
-		comp:         comp,
+		codec:        callInfo.codec,
+		compressorV0: compressorV0,
+		compressorV1: compressorV1,
 		cancel:       cancel,
 		firstAttempt: true,
 		onCommit:     onCommit,
@@ -412,7 +412,7 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
 		return nil, ErrClientConnClosing
 	}
 
-	ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.cp, cs.comp)
+	ctx := newContextWithRPCInfo(cs.ctx, cs.callInfo.failFast, cs.callInfo.codec, cs.compressorV0, cs.compressorV1)
 	method := cs.callHdr.Method
 	var beginTime time.Time
 	shs := cs.cc.dopts.copts.StatsHandlers
@@ -454,12 +454,12 @@ func (cs *clientStream) newAttemptLocked(isTransparent bool) (*csAttempt, error)
 	}
 
 	return &csAttempt{
-		ctx:           ctx,
-		beginTime:     beginTime,
-		cs:            cs,
-		dc:            cs.cc.dopts.dc,
-		statsHandlers: shs,
-		trInfo:        trInfo,
+		ctx:            ctx,
+		beginTime:      beginTime,
+		cs:             cs,
+		decompressorV0: cs.cc.dopts.dc,
+		statsHandlers:  shs,
+		trInfo:         trInfo,
 	}, nil
 }
 
@@ -467,7 +467,7 @@ func (a *csAttempt) getTransport() error {
 	cs := a.cs
 
 	var err error
-	a.t, a.pickResult, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method)
+	a.transport, a.pickResult, err = cs.cc.getTransport(a.ctx, cs.callInfo.failFast, cs.callHdr.Method)
 	if err != nil {
 		if de, ok := err.(dropError); ok {
 			err = de.error
@@ -476,7 +476,7 @@ func (a *csAttempt) getTransport() error {
 		return err
 	}
 	if a.trInfo != nil {
-		a.trInfo.firstLine.SetRemoteAddr(a.t.RemoteAddr())
+		a.trInfo.firstLine.SetRemoteAddr(a.transport.RemoteAddr())
 	}
 	return nil
 }
@@ -503,7 +503,7 @@ func (a *csAttempt) newStream() error {
 		a.ctx = metadata.NewOutgoingContext(a.ctx, md)
 	}
 
-	s, err := a.t.NewStream(a.ctx, cs.callHdr)
+	s, err := a.transport.NewStream(a.ctx, cs.callHdr)
 	if err != nil {
 		nse, ok := err.(*transport.NewStreamError)
 		if !ok {
@@ -518,9 +518,9 @@ func (a *csAttempt) newStream() error {
 		// Unwrap and convert error.
 		return toRPCErr(nse.Err)
 	}
-	a.s = s
+	a.transportStream = s
 	a.ctx = s.Context()
-	a.p = &parser{r: s, bufferPool: a.cs.cc.dopts.copts.BufferPool}
+	a.parser = &parser{r: s, bufferPool: a.cs.cc.dopts.copts.BufferPool}
 	return nil
 }
 
@@ -532,9 +532,9 @@ type clientStream struct {
 	cc       *ClientConn
 	desc     *StreamDesc
 
-	codec baseCodec
-	cp    Compressor
-	comp  encoding.Compressor
+	codec        baseCodec
+	compressorV0 Compressor
+	compressorV1 encoding.Compressor
 
 	cancel context.CancelFunc // cancels all attempts
 
@@ -583,17 +583,17 @@ type replayOp struct {
 // csAttempt implements a single transport stream attempt within a
 // clientStream.
 type csAttempt struct {
-	ctx        context.Context
-	cs         *clientStream
-	t          transport.ClientTransport
-	s          *transport.ClientStream
-	p          *parser
-	pickResult balancer.PickResult
+	ctx             context.Context
+	cs              *clientStream
+	transport       transport.ClientTransport
+	transportStream *transport.ClientStream
+	parser          *parser
+	pickResult      balancer.PickResult
 
-	finished  bool
-	dc        Decompressor
-	decomp    encoding.Compressor
-	decompSet bool
+	finished        bool
+	decompressorV0  Decompressor
+	decompressorV1  encoding.Compressor
+	decompressorSet bool
 
 	mu sync.Mutex // guards trInfo.tr
 	// trInfo may be nil (if EnableTracing is false).
@@ -639,14 +639,14 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 		// RPC is finished or committed or was dropped by the picker; cannot retry.
 		return false, err
 	}
-	if a.s == nil && a.allowTransparentRetry {
+	if a.transportStream == nil && a.allowTransparentRetry {
 		return true, nil
 	}
 	// Wait for the trailers.
 	unprocessed := false
-	if a.s != nil {
-		<-a.s.Done()
-		unprocessed = a.s.Unprocessed()
+	if a.transportStream != nil {
+		<-a.transportStream.Done()
+		unprocessed = a.transportStream.Unprocessed()
 	}
 	if cs.firstAttempt && unprocessed {
 		// First attempt, stream unprocessed: transparently retry.
@@ -658,14 +658,14 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 
 	pushback := 0
 	hasPushback := false
-	if a.s != nil {
-		if !a.s.TrailersOnly() {
+	if a.transportStream != nil {
+		if !a.transportStream.TrailersOnly() {
 			return false, err
 		}
 
 		// TODO(retry): Move down if the spec changes to not check server pushback
 		// before considering this a failure for throttling.
-		sps := a.s.Trailer()["grpc-retry-pushback-ms"]
+		sps := a.transportStream.Trailer()["grpc-retry-pushback-ms"]
 		if len(sps) == 1 {
 			var e error
 			if pushback, e = strconv.Atoi(sps[0]); e != nil || pushback < 0 {
@@ -682,8 +682,8 @@ func (a *csAttempt) shouldRetry(err error) (bool, error) {
 	}
 
 	var code codes.Code
-	if a.s != nil {
-		code = a.s.Status().Code()
+	if a.transportStream != nil {
+		code = a.transportStream.Status().Code()
 	} else {
 		code = status.Code(err)
 	}
@@ -756,8 +756,8 @@ func (cs *clientStream) Context() context.Context {
 	cs.commitAttempt()
 	// No need to lock before using attempt, since we know it is committed and
 	// cannot change.
-	if cs.attempt.s != nil {
-		return cs.attempt.s.Context()
+	if cs.attempt.transportStream != nil {
+		return cs.attempt.transportStream.Context()
 	}
 	return cs.ctx
 }
@@ -794,9 +794,9 @@ func (cs *clientStream) withRetry(op func(a *csAttempt) error, onSuccess func())
 			continue
 		}
 		if err == io.EOF {
-			<-a.s.Done()
+			<-a.transportStream.Done()
 		}
-		if err == nil || (err == io.EOF && a.s.Status().Code() == codes.OK) {
+		if err == nil || (err == io.EOF && a.transportStream.Status().Code() == codes.OK) {
 			onSuccess()
 			cs.mu.Unlock()
 			return err
@@ -812,7 +812,7 @@ func (cs *clientStream) Header() (metadata.MD, error) {
 	var m metadata.MD
 	err := cs.withRetry(func(a *csAttempt) error {
 		var err error
-		m, err = a.s.Header()
+		m, err = a.transportStream.Header()
 		return toRPCErr(err)
 	}, cs.commitAttemptLocked)
 
@@ -856,10 +856,10 @@ func (cs *clientStream) Trailer() metadata.MD {
 	// directions -- it will prevent races and should not meaningfully impact
 	// performance.
 	cs.commitAttempt()
-	if cs.attempt.s == nil {
+	if cs.attempt.transportStream == nil {
 		return nil
 	}
-	return cs.attempt.s.Trailer()
+	return cs.attempt.transportStream.Trailer()
 }
 
 func (cs *clientStream) replayBufferLocked(attempt *csAttempt) error {
@@ -904,7 +904,7 @@ func (cs *clientStream) SendMsg(m any) (err error) {
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, cs.codec, cs.cp, cs.comp, cs.cc.dopts.copts.BufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, cs.codec, cs.compressorV0, cs.compressorV1, cs.cc.dopts.copts.BufferPool)
 	if err != nil {
 		return err
 	}
@@ -992,7 +992,7 @@ func (cs *clientStream) CloseSend() error {
 	}
 	cs.sentLast = true
 	op := func(a *csAttempt) error {
-		a.s.Write(nil, nil, &transport.WriteOptions{Last: true})
+		a.transportStream.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
@@ -1030,7 +1030,7 @@ func (cs *clientStream) finish(err error) {
 	if cs.attempt != nil {
 		cs.attempt.finish(err)
 		// after functions all rely upon having a stream.
-		if cs.attempt.s != nil {
+		if cs.attempt.transportStream != nil {
 			for _, o := range cs.opts {
 				o.after(cs.callInfo, cs.attempt)
 			}
@@ -1084,7 +1084,7 @@ func (a *csAttempt) sendMsg(m any, hdr []byte, payld mem.BufferSlice, dataLength
 		}
 		a.mu.Unlock()
 	}
-	if err := a.s.Write(hdr, payld, &transport.WriteOptions{Last: !cs.desc.ClientStreams}); err != nil {
+	if err := a.transportStream.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()
@@ -1108,25 +1108,25 @@ func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) {
 		defer payInfo.free()
 	}
 
-	if !a.decompSet {
+	if !a.decompressorSet {
 		// Block until we receive headers containing received message encoding.
-		if ct := a.s.RecvCompress(); ct != "" && ct != encoding.Identity {
-			if a.dc == nil || a.dc.Type() != ct {
+		if ct := a.transportStream.RecvCompress(); ct != "" && ct != encoding.Identity {
+			if a.decompressorV0 == nil || a.decompressorV0.Type() != ct {
 				// No configured decompressor, or it does not match the incoming
 				// message encoding; attempt to find a registered compressor that does.
-				a.dc = nil
-				a.decomp = encoding.GetCompressor(ct)
+				a.decompressorV0 = nil
+				a.decompressorV1 = encoding.GetCompressor(ct)
 			}
 		} else {
 			// No compression is used; disable our decompressor.
-			a.dc = nil
+			a.decompressorV0 = nil
 		}
 		// Only initialize this state once per stream.
-		a.decompSet = true
+		a.decompressorSet = true
 	}
-	if err := recv(a.p, cs.codec, a.s, a.dc, m, *cs.callInfo.maxReceiveMessageSize, payInfo, a.decomp, false); err != nil {
+	if err := recv(a.parser, cs.codec, a.transportStream, a.decompressorV0, m, *cs.callInfo.maxReceiveMessageSize, payInfo, a.decompressorV1, false); err != nil {
 		if err == io.EOF {
-			if statusErr := a.s.Status().Err(); statusErr != nil {
+			if statusErr := a.transportStream.Status().Err(); statusErr != nil {
 				return statusErr
 			}
 			return io.EOF // indicates successful end of stream.
@@ -1157,8 +1157,8 @@ func (a *csAttempt) recvMsg(m any, payInfo *payloadInfo) (err error) {
 	}
 	// Special handling for non-server-stream rpcs.
 	// This recv expects EOF or errors, so we don't collect inPayload.
-	if err := recv(a.p, cs.codec, a.s, a.dc, m, *cs.callInfo.maxReceiveMessageSize, nil, a.decomp, false); err == io.EOF {
-		return a.s.Status().Err() // non-server streaming Recv returns nil on success
+	if err := recv(a.parser, cs.codec, a.transportStream, a.decompressorV0, m, *cs.callInfo.maxReceiveMessageSize, nil, a.decompressorV1, false); err == io.EOF {
+		return a.transportStream.Status().Err() // non-server streaming Recv returns nil on success
 	} else if err != nil {
 		return toRPCErr(err)
 	}
@@ -1177,20 +1177,20 @@ func (a *csAttempt) finish(err error) {
 		err = nil
 	}
 	var tr metadata.MD
-	if a.s != nil {
-		a.s.Close(err)
-		tr = a.s.Trailer()
+	if a.transportStream != nil {
+		a.transportStream.Close(err)
+		tr = a.transportStream.Trailer()
 	}
 
 	if a.pickResult.Done != nil {
 		br := false
-		if a.s != nil {
-			br = a.s.BytesReceived()
+		if a.transportStream != nil {
+			br = a.transportStream.BytesReceived()
 		}
 		a.pickResult.Done(balancer.DoneInfo{
 			Err:           err,
 			Trailer:       tr,
-			BytesSent:     a.s != nil,
+			BytesSent:     a.transportStream != nil,
 			BytesReceived: br,
 			ServerLoad:    balancerload.Parse(tr),
 		})
@@ -1272,7 +1272,7 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 	// if set.
 	var cp Compressor
 	var comp encoding.Compressor
-	if ct := c.compressorType; ct != "" {
+	if ct := c.compressorName; ct != "" {
 		callHdr.SendCompress = ct
 		if ct != encoding.Identity {
 			comp = encoding.GetCompressor(ct)
@@ -1280,9 +1280,9 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 				return nil, status.Errorf(codes.Internal, "grpc: Compressor is not installed for requested grpc-encoding %q", ct)
 			}
 		}
-	} else if ac.cc.dopts.cp != nil {
-		callHdr.SendCompress = ac.cc.dopts.cp.Type()
-		cp = ac.cc.dopts.cp
+	} else if ac.cc.dopts.compressorV0 != nil {
+		callHdr.SendCompress = ac.cc.dopts.compressorV0.Type()
+		cp = ac.cc.dopts.compressorV0
 	}
 	if c.creds != nil {
 		callHdr.Creds = c.creds
@@ -1290,26 +1290,26 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 
 	// Use a special addrConnStream to avoid retry.
 	as := &addrConnStream{
-		callHdr:  callHdr,
-		ac:       ac,
-		ctx:      ctx,
-		cancel:   cancel,
-		opts:     opts,
-		callInfo: c,
-		desc:     desc,
-		codec:    c.codec,
-		cp:       cp,
-		comp:     comp,
-		t:        t,
+		callHdr:          callHdr,
+		ac:               ac,
+		ctx:              ctx,
+		cancel:           cancel,
+		opts:             opts,
+		callInfo:         c,
+		desc:             desc,
+		codec:            c.codec,
+		sendCompressorV0: cp,
+		sendCompressorV1: comp,
+		transport:        t,
 	}
 
-	s, err := as.t.NewStream(as.ctx, as.callHdr)
+	s, err := as.transport.NewStream(as.ctx, as.callHdr)
 	if err != nil {
 		err = toRPCErr(err)
 		return nil, err
 	}
-	as.s = s
-	as.p = &parser{r: s, bufferPool: ac.dopts.copts.BufferPool}
+	as.transportStream = s
+	as.parser = &parser{r: s, bufferPool: ac.dopts.copts.BufferPool}
 	ac.incrCallsStarted()
 	if desc != unaryStreamDesc {
 		// Listen on stream context to cleanup when the stream context is
@@ -1335,29 +1335,31 @@ func newNonRetryClientStream(ctx context.Context, desc *StreamDesc, method strin
 }
 
 type addrConnStream struct {
-	s         *transport.ClientStream
-	ac        *addrConn
-	callHdr   *transport.CallHdr
-	cancel    context.CancelFunc
-	opts      []CallOption
-	callInfo  *callInfo
-	t         transport.ClientTransport
-	ctx       context.Context
-	sentLast  bool
-	desc      *StreamDesc
-	codec     baseCodec
-	cp        Compressor
-	comp      encoding.Compressor
-	decompSet bool
-	dc        Decompressor
-	decomp    encoding.Compressor
-	p         *parser
-	mu        sync.Mutex
-	finished  bool
+	transportStream  *transport.ClientStream
+	ac               *addrConn
+	callHdr          *transport.CallHdr
+	cancel           context.CancelFunc
+	opts             []CallOption
+	callInfo         *callInfo
+	transport        transport.ClientTransport
+	ctx              context.Context
+	sentLast         bool
+	desc             *StreamDesc
+	codec            baseCodec
+	sendCompressorV0 Compressor
+	sendCompressorV1 encoding.Compressor
+	decompressorSet  bool
+	decompressorV0   Decompressor
+	decompressorV1   encoding.Compressor
+	parser           *parser
+
+	// mu guards finished and is held for the entire finish method.
+	mu       sync.Mutex
+	finished bool
 }
 
 func (as *addrConnStream) Header() (metadata.MD, error) {
-	m, err := as.s.Header()
+	m, err := as.transportStream.Header()
 	if err != nil {
 		as.finish(toRPCErr(err))
 	}
@@ -1365,7 +1367,7 @@ func (as *addrConnStream) Header() (metadata.MD, error) {
 }
 
 func (as *addrConnStream) Trailer() metadata.MD {
-	return as.s.Trailer()
+	return as.transportStream.Trailer()
 }
 
 func (as *addrConnStream) CloseSend() error {
@@ -1375,7 +1377,7 @@ func (as *addrConnStream) CloseSend() error {
 	}
 	as.sentLast = true
 
-	as.s.Write(nil, nil, &transport.WriteOptions{Last: true})
+	as.transportStream.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
@@ -1384,7 +1386,7 @@ func (as *addrConnStream) CloseSend() error {
 }
 
 func (as *addrConnStream) Context() context.Context {
-	return as.s.Context()
+	return as.transportStream.Context()
 }
 
 func (as *addrConnStream) SendMsg(m any) (err error) {
@@ -1406,7 +1408,7 @@ func (as *addrConnStream) SendMsg(m any) (err error) {
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, as.codec, as.cp, as.comp, as.ac.dopts.copts.BufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, as.codec, as.sendCompressorV0, as.sendCompressorV1, as.ac.dopts.copts.BufferPool)
 	if err != nil {
 		return err
 	}
@@ -1425,7 +1427,7 @@ 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.s.Write(hdr, payload, &transport.WriteOptions{Last: !as.desc.ClientStreams}); err != nil {
+	if err := as.transportStream.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()
@@ -1446,25 +1448,25 @@ func (as *addrConnStream) RecvMsg(m any) (err error) {
 		}
 	}()
 
-	if !as.decompSet {
+	if !as.decompressorSet {
 		// Block until we receive headers containing received message encoding.
-		if ct := as.s.RecvCompress(); ct != "" && ct != encoding.Identity {
-			if as.dc == nil || as.dc.Type() != ct {
+		if ct := as.transportStream.RecvCompress(); ct != "" && ct != encoding.Identity {
+			if as.decompressorV0 == nil || as.decompressorV0.Type() != ct {
 				// No configured decompressor, or it does not match the incoming
 				// message encoding; attempt to find a registered compressor that does.
-				as.dc = nil
-				as.decomp = encoding.GetCompressor(ct)
+				as.decompressorV0 = nil
+				as.decompressorV1 = encoding.GetCompressor(ct)
 			}
 		} else {
 			// No compression is used; disable our decompressor.
-			as.dc = nil
+			as.decompressorV0 = nil
 		}
 		// Only initialize this state once per stream.
-		as.decompSet = true
+		as.decompressorSet = true
 	}
-	if err := recv(as.p, as.codec, as.s, as.dc, m, *as.callInfo.maxReceiveMessageSize, nil, as.decomp, false); err != nil {
+	if err := recv(as.parser, as.codec, as.transportStream, as.decompressorV0, m, *as.callInfo.maxReceiveMessageSize, nil, as.decompressorV1, false); err != nil {
 		if err == io.EOF {
-			if statusErr := as.s.Status().Err(); statusErr != nil {
+			if statusErr := as.transportStream.Status().Err(); statusErr != nil {
 				return statusErr
 			}
 			return io.EOF // indicates successful end of stream.
@@ -1479,8 +1481,8 @@ func (as *addrConnStream) RecvMsg(m any) (err error) {
 
 	// Special handling for non-server-stream rpcs.
 	// This recv expects EOF or errors, so we don't collect inPayload.
-	if err := recv(as.p, as.codec, as.s, as.dc, m, *as.callInfo.maxReceiveMessageSize, nil, as.decomp, false); err == io.EOF {
-		return as.s.Status().Err() // non-server streaming Recv returns nil on success
+	if err := recv(as.parser, as.codec, as.transportStream, as.decompressorV0, m, *as.callInfo.maxReceiveMessageSize, nil, as.decompressorV1, false); err == io.EOF {
+		return as.transportStream.Status().Err() // non-server streaming Recv returns nil on success
 	} else if err != nil {
 		return toRPCErr(err)
 	}
@@ -1498,8 +1500,8 @@ func (as *addrConnStream) finish(err error) {
 		// Ending a stream with EOF indicates a success.
 		err = nil
 	}
-	if as.s != nil {
-		as.s.Close(err)
+	if as.transportStream != nil {
+		as.transportStream.Close(err)
 	}
 
 	if err != nil {
@@ -1570,10 +1572,10 @@ type serverStream struct {
 	p     *parser
 	codec baseCodec
 
-	cp     Compressor
-	dc     Decompressor
-	comp   encoding.Compressor
-	decomp encoding.Compressor
+	compressorV0   Compressor
+	compressorV1   encoding.Compressor
+	decompressorV0 Decompressor
+	decompressorV1 encoding.Compressor
 
 	sendCompressorName string
 
@@ -1669,12 +1671,12 @@ func (ss *serverStream) SendMsg(m any) (err error) {
 	// 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 sendCompressorsName := ss.s.SendCompress(); sendCompressorsName != ss.sendCompressorName {
-		ss.comp = encoding.GetCompressor(sendCompressorsName)
+		ss.compressorV1 = encoding.GetCompressor(sendCompressorsName)
 		ss.sendCompressorName = sendCompressorsName
 	}
 
 	// load hdr, payload, data
-	hdr, data, payload, pf, err := prepareMsg(m, ss.codec, ss.cp, ss.comp, ss.p.bufferPool)
+	hdr, data, payload, pf, err := prepareMsg(m, ss.codec, ss.compressorV0, ss.compressorV1, ss.p.bufferPool)
 	if err != nil {
 		return err
 	}
@@ -1755,7 +1757,7 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 		payInfo = &payloadInfo{}
 		defer payInfo.free()
 	}
-	if err := recv(ss.p, ss.codec, ss.s, ss.dc, m, ss.maxReceiveMessageSize, payInfo, ss.decomp, true); err != nil {
+	if err := recv(ss.p, ss.codec, ss.s, ss.decompressorV0, m, ss.maxReceiveMessageSize, payInfo, ss.decompressorV1, true); err != nil {
 		if err == io.EOF {
 			if len(ss.binlogs) != 0 {
 				chc := &binarylog.ClientHalfClose{}
@@ -1766,7 +1768,7 @@ func (ss *serverStream) RecvMsg(m any) (err error) {
 			return err
 		}
 		if err == io.ErrUnexpectedEOF {
-			err = status.Errorf(codes.Internal, io.ErrUnexpectedEOF.Error())
+			err = status.Error(codes.Internal, io.ErrUnexpectedEOF.Error())
 		}
 		return toRPCErr(err)
 	}

vendor/google.golang.org/grpc/version.go

@@ -19,4 +19,4 @@
 package grpc
 
 // Version is the current grpc version.
-const Version = "1.69.2"
+const Version = "1.71.0"

vendor/google.golang.org/protobuf/encoding/protojson/decode.go

@@ -192,11 +192,6 @@ func (d decoder) unmarshalMessage(m protoreflect.Message, skipTypeURL bool) erro
 				fd = fieldDescs.ByTextName(name)
 			}
 		}
-		if flags.ProtoLegacy {
-			if fd != nil && fd.IsWeak() && fd.Message().IsPlaceholder() {
-				fd = nil // reset since the weak reference is not linked in
-			}
-		}
 
 		if fd == nil {
 			// Field is unknown.

vendor/google.golang.org/protobuf/encoding/prototext/decode.go

@@ -185,11 +185,6 @@ func (d decoder) unmarshalMessage(m protoreflect.Message, checkDelims bool) erro
 		} else if xtErr != nil && xtErr != protoregistry.NotFound {
 			return d.newError(tok.Pos(), "unable to resolve [%s]: %v", tok.RawString(), xtErr)
 		}
-		if flags.ProtoLegacy {
-			if fd != nil && fd.IsWeak() && fd.Message().IsPlaceholder() {
-				fd = nil // reset since the weak reference is not linked in
-			}
-		}
 
 		// Handle unknown fields.
 		if fd == nil {

vendor/google.golang.org/protobuf/internal/encoding/tag/tag.go

@@ -26,7 +26,7 @@ var byteType = reflect.TypeOf(byte(0))
 // The type is the underlying field type (e.g., a repeated field may be
 // represented by []T, but the Go type passed in is just T).
 // A list of enum value descriptors must be provided for enum fields.
-// This does not populate the Enum or Message (except for weak message).
+// This does not populate the Enum or Message.
 //
 // This function is a best effort attempt; parsing errors are ignored.
 func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescriptors) protoreflect.FieldDescriptor {
@@ -109,9 +109,6 @@ func Unmarshal(tag string, goType reflect.Type, evs protoreflect.EnumValueDescri
 			}
 		case s == "packed":
 			f.L1.EditionFeatures.IsPacked = true
-		case strings.HasPrefix(s, "weak="):
-			f.L1.IsWeak = true
-			f.L1.Message = filedesc.PlaceholderMessage(protoreflect.FullName(s[len("weak="):]))
 		case strings.HasPrefix(s, "def="):
 			// The default tag is special in that everything afterwards is the
 			// default regardless of the presence of commas.
@@ -183,9 +180,6 @@ func Marshal(fd protoreflect.FieldDescriptor, enumName string) string {
 		// the exact same semantics from the previous generator.
 		tag = append(tag, "json="+jsonName)
 	}
-	if fd.IsWeak() {
-		tag = append(tag, "weak="+string(fd.Message().FullName()))
-	}
 	// The previous implementation does not tag extension fields as proto3,
 	// even when the field is defined in a proto3 file. Match that behavior
 	// for consistency.

vendor/google.golang.org/protobuf/internal/filedesc/desc.go

@@ -19,7 +19,6 @@ import (
 	"google.golang.org/protobuf/internal/pragma"
 	"google.golang.org/protobuf/internal/strs"
 	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
 )
 
 // Edition is an Enum for proto2.Edition
@@ -275,7 +274,6 @@ type (
 		Kind             protoreflect.Kind
 		StringName       stringName
 		IsProto3Optional bool // promoted from google.protobuf.FieldDescriptorProto
-		IsWeak           bool // promoted from google.protobuf.FieldOptions
 		IsLazy           bool // promoted from google.protobuf.FieldOptions
 		Default          defaultValue
 		ContainingOneof  protoreflect.OneofDescriptor // must be consistent with Message.Oneofs.Fields
@@ -369,7 +367,7 @@ func (fd *Field) IsPacked() bool {
 	return fd.L1.EditionFeatures.IsPacked
 }
 func (fd *Field) IsExtension() bool { return false }
-func (fd *Field) IsWeak() bool      { return fd.L1.IsWeak }
+func (fd *Field) IsWeak() bool      { return false }
 func (fd *Field) IsLazy() bool      { return fd.L1.IsLazy }
 func (fd *Field) IsList() bool      { return fd.Cardinality() == protoreflect.Repeated && !fd.IsMap() }
 func (fd *Field) IsMap() bool       { return fd.Message() != nil && fd.Message().IsMapEntry() }
@@ -396,11 +394,6 @@ func (fd *Field) Enum() protoreflect.EnumDescriptor {
 	return fd.L1.Enum
 }
 func (fd *Field) Message() protoreflect.MessageDescriptor {
-	if fd.L1.IsWeak {
-		if d, _ := protoregistry.GlobalFiles.FindDescriptorByName(fd.L1.Message.FullName()); d != nil {
-			return d.(protoreflect.MessageDescriptor)
-		}
-	}
 	return fd.L1.Message
 }
 func (fd *Field) IsMapEntry() bool {

vendor/google.golang.org/protobuf/internal/filedesc/desc_lazy.go

@@ -32,11 +32,6 @@ func (file *File) resolveMessages() {
 		for j := range md.L2.Fields.List {
 			fd := &md.L2.Fields.List[j]
 
-			// Weak fields are resolved upon actual use.
-			if fd.L1.IsWeak {
-				continue
-			}
-
 			// Resolve message field dependency.
 			switch fd.L1.Kind {
 			case protoreflect.EnumKind:
@@ -150,8 +145,6 @@ func (fd *File) unmarshalFull(b []byte) {
 			switch num {
 			case genid.FileDescriptorProto_PublicDependency_field_number:
 				fd.L2.Imports[v].IsPublic = true
-			case genid.FileDescriptorProto_WeakDependency_field_number:
-				fd.L2.Imports[v].IsWeak = true
 			}
 		case protowire.BytesType:
 			v, m := protowire.ConsumeBytes(b)
@@ -502,8 +495,6 @@ func (fd *Field) unmarshalOptions(b []byte) {
 			switch num {
 			case genid.FieldOptions_Packed_field_number:
 				fd.L1.EditionFeatures.IsPacked = protowire.DecodeBool(v)
-			case genid.FieldOptions_Weak_field_number:
-				fd.L1.IsWeak = protowire.DecodeBool(v)
 			case genid.FieldOptions_Lazy_field_number:
 				fd.L1.IsLazy = protowire.DecodeBool(v)
 			case FieldOptions_EnforceUTF8:

vendor/google.golang.org/protobuf/internal/filetype/build.go

@@ -63,7 +63,7 @@ type Builder struct {
 	// message declarations in "flattened ordering".
 	//
 	// Dependencies are Go types for enums or messages referenced by
-	// message fields (excluding weak fields), for parent extended messages of
+	// message fields, for parent extended messages of
 	// extension fields, for enums or messages referenced by extension fields,
 	// and for input and output messages referenced by service methods.
 	// Dependencies must come after declarations, but the ordering of

vendor/google.golang.org/protobuf/internal/flags/flags.go

@@ -6,7 +6,7 @@
 package flags
 
 // ProtoLegacy specifies whether to enable support for legacy functionality
-// such as MessageSets, weak fields, and various other obscure behavior
+// such as MessageSets, and various other obscure behavior
 // that is necessary to maintain backwards compatibility with proto1 or
 // the pre-release variants of proto2 and proto3.
 //

vendor/google.golang.org/protobuf/internal/genid/goname.go

@@ -11,15 +11,10 @@ const (
 	SizeCache_goname  = "sizeCache"
 	SizeCacheA_goname = "XXX_sizecache"
 
-	WeakFields_goname  = "weakFields"
-	WeakFieldsA_goname = "XXX_weak"
-
 	UnknownFields_goname  = "unknownFields"
 	UnknownFieldsA_goname = "XXX_unrecognized"
 
 	ExtensionFields_goname  = "extensionFields"
 	ExtensionFieldsA_goname = "XXX_InternalExtensions"
 	ExtensionFieldsB_goname = "XXX_extensions"
-
-	WeakFieldPrefix_goname = "XXX_weak_"
 )

vendor/google.golang.org/protobuf/internal/impl/codec_field.go

@@ -5,15 +5,12 @@
 package impl
 
 import (
-	"fmt"
 	"reflect"
-	"sync"
 
 	"google.golang.org/protobuf/encoding/protowire"
 	"google.golang.org/protobuf/internal/errors"
 	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
 	"google.golang.org/protobuf/runtime/protoiface"
 )
 
@@ -121,78 +118,6 @@ func (mi *MessageInfo) initOneofFieldCoders(od protoreflect.OneofDescriptor, si
 	}
 }
 
-func makeWeakMessageFieldCoder(fd protoreflect.FieldDescriptor) pointerCoderFuncs {
-	var once sync.Once
-	var messageType protoreflect.MessageType
-	lazyInit := func() {
-		once.Do(func() {
-			messageName := fd.Message().FullName()
-			messageType, _ = protoregistry.GlobalTypes.FindMessageByName(messageName)
-		})
-	}
-
-	return pointerCoderFuncs{
-		size: func(p pointer, f *coderFieldInfo, opts marshalOptions) int {
-			m, ok := p.WeakFields().get(f.num)
-			if !ok {
-				return 0
-			}
-			lazyInit()
-			if messageType == nil {
-				panic(fmt.Sprintf("weak message %v is not linked in", fd.Message().FullName()))
-			}
-			return sizeMessage(m, f.tagsize, opts)
-		},
-		marshal: func(b []byte, p pointer, f *coderFieldInfo, opts marshalOptions) ([]byte, error) {
-			m, ok := p.WeakFields().get(f.num)
-			if !ok {
-				return b, nil
-			}
-			lazyInit()
-			if messageType == nil {
-				panic(fmt.Sprintf("weak message %v is not linked in", fd.Message().FullName()))
-			}
-			return appendMessage(b, m, f.wiretag, opts)
-		},
-		unmarshal: func(b []byte, p pointer, wtyp protowire.Type, f *coderFieldInfo, opts unmarshalOptions) (unmarshalOutput, error) {
-			fs := p.WeakFields()
-			m, ok := fs.get(f.num)
-			if !ok {
-				lazyInit()
-				if messageType == nil {
-					return unmarshalOutput{}, errUnknown
-				}
-				m = messageType.New().Interface()
-				fs.set(f.num, m)
-			}
-			return consumeMessage(b, m, wtyp, opts)
-		},
-		isInit: func(p pointer, f *coderFieldInfo) error {
-			m, ok := p.WeakFields().get(f.num)
-			if !ok {
-				return nil
-			}
-			return proto.CheckInitialized(m)
-		},
-		merge: func(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
-			sm, ok := src.WeakFields().get(f.num)
-			if !ok {
-				return
-			}
-			dm, ok := dst.WeakFields().get(f.num)
-			if !ok {
-				lazyInit()
-				if messageType == nil {
-					panic(fmt.Sprintf("weak message %v is not linked in", fd.Message().FullName()))
-				}
-				dm = messageType.New().Interface()
-				dst.WeakFields().set(f.num, dm)
-			}
-			opts.Merge(dm, sm)
-		},
-	}
-}
-
 func makeMessageFieldCoder(fd protoreflect.FieldDescriptor, ft reflect.Type) pointerCoderFuncs {
 	if mi := getMessageInfo(ft); mi != nil {
 		funcs := pointerCoderFuncs{

vendor/google.golang.org/protobuf/internal/impl/codec_map.go

@@ -94,7 +94,7 @@ func sizeMap(mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo, opts marshalO
 		return 0
 	}
 	n := 0
-	iter := mapRange(mapv)
+	iter := mapv.MapRange()
 	for iter.Next() {
 		key := mapi.conv.keyConv.PBValueOf(iter.Key()).MapKey()
 		keySize := mapi.keyFuncs.size(key.Value(), mapKeyTagSize, opts)
@@ -281,7 +281,7 @@ func appendMap(b []byte, mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo, o
 	if opts.Deterministic() {
 		return appendMapDeterministic(b, mapv, mapi, f, opts)
 	}
-	iter := mapRange(mapv)
+	iter := mapv.MapRange()
 	for iter.Next() {
 		var err error
 		b = protowire.AppendVarint(b, f.wiretag)
@@ -328,7 +328,7 @@ func isInitMap(mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo) error {
 		if !mi.needsInitCheck {
 			return nil
 		}
-		iter := mapRange(mapv)
+		iter := mapv.MapRange()
 		for iter.Next() {
 			val := pointerOfValue(iter.Value())
 			if err := mi.checkInitializedPointer(val); err != nil {
@@ -336,7 +336,7 @@ func isInitMap(mapv reflect.Value, mapi *mapInfo, f *coderFieldInfo) error {
 			}
 		}
 	} else {
-		iter := mapRange(mapv)
+		iter := mapv.MapRange()
 		for iter.Next() {
 			val := mapi.conv.valConv.PBValueOf(iter.Value())
 			if err := mapi.valFuncs.isInit(val); err != nil {
@@ -356,7 +356,7 @@ func mergeMap(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
 	if dstm.IsNil() {
 		dstm.Set(reflect.MakeMap(f.ft))
 	}
-	iter := mapRange(srcm)
+	iter := srcm.MapRange()
 	for iter.Next() {
 		dstm.SetMapIndex(iter.Key(), iter.Value())
 	}
@@ -371,7 +371,7 @@ func mergeMapOfBytes(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
 	if dstm.IsNil() {
 		dstm.Set(reflect.MakeMap(f.ft))
 	}
-	iter := mapRange(srcm)
+	iter := srcm.MapRange()
 	for iter.Next() {
 		dstm.SetMapIndex(iter.Key(), reflect.ValueOf(append(emptyBuf[:], iter.Value().Bytes()...)))
 	}
@@ -386,7 +386,7 @@ func mergeMapOfMessage(dst, src pointer, f *coderFieldInfo, opts mergeOptions) {
 	if dstm.IsNil() {
 		dstm.Set(reflect.MakeMap(f.ft))
 	}
-	iter := mapRange(srcm)
+	iter := srcm.MapRange()
 	for iter.Next() {
 		val := reflect.New(f.ft.Elem().Elem())
 		if f.mi != nil {

vendor/google.golang.org/protobuf/internal/impl/codec_map_go111.go

@@ -1,38 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build !go1.12
-// +build !go1.12
-
-package impl
-
-import "reflect"
-
-type mapIter struct {
-	v    reflect.Value
-	keys []reflect.Value
-}
-
-// mapRange provides a less-efficient equivalent to
-// the Go 1.12 reflect.Value.MapRange method.
-func mapRange(v reflect.Value) *mapIter {
-	return &mapIter{v: v}
-}
-
-func (i *mapIter) Next() bool {
-	if i.keys == nil {
-		i.keys = i.v.MapKeys()
-	} else {
-		i.keys = i.keys[1:]
-	}
-	return len(i.keys) > 0
-}
-
-func (i *mapIter) Key() reflect.Value {
-	return i.keys[0]
-}
-
-func (i *mapIter) Value() reflect.Value {
-	return i.v.MapIndex(i.keys[0])
-}

vendor/google.golang.org/protobuf/internal/impl/codec_map_go112.go

@@ -1,12 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:build go1.12
-// +build go1.12
-
-package impl
-
-import "reflect"
-
-func mapRange(v reflect.Value) *reflect.MapIter { return v.MapRange() }

vendor/google.golang.org/protobuf/internal/impl/codec_message.go

@@ -118,12 +118,9 @@ func (mi *MessageInfo) makeCoderMethods(t reflect.Type, si structInfo) {
 				},
 			}
 		case isOneof:
-			fieldOffset = offsetOf(fs, mi.Exporter)
-		case fd.IsWeak():
-			fieldOffset = si.weakOffset
-			funcs = makeWeakMessageFieldCoder(fd)
+			fieldOffset = offsetOf(fs)
 		default:
-			fieldOffset = offsetOf(fs, mi.Exporter)
+			fieldOffset = offsetOf(fs)
 			childMessage, funcs = fieldCoder(fd, ft)
 		}
 		cf := &preallocFields[i]

vendor/google.golang.org/protobuf/internal/impl/codec_message_opaque.go

@@ -45,19 +45,16 @@ func (mi *MessageInfo) makeOpaqueCoderMethods(t reflect.Type, si opaqueStructInf
 		var childMessage *MessageInfo
 		switch {
 		case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
-			fieldOffset = offsetOf(fs, mi.Exporter)
-		case fd.IsWeak():
-			fieldOffset = si.weakOffset
-			funcs = makeWeakMessageFieldCoder(fd)
+			fieldOffset = offsetOf(fs)
 		case fd.Message() != nil && !fd.IsMap():
-			fieldOffset = offsetOf(fs, mi.Exporter)
+			fieldOffset = offsetOf(fs)
 			if fd.IsList() {
 				childMessage, funcs = makeOpaqueRepeatedMessageFieldCoder(fd, ft)
 			} else {
 				childMessage, funcs = makeOpaqueMessageFieldCoder(fd, ft)
 			}
 		default:
-			fieldOffset = offsetOf(fs, mi.Exporter)
+			fieldOffset = offsetOf(fs)
 			childMessage, funcs = fieldCoder(fd, ft)
 		}
 		cf := &coderFieldInfo{

vendor/google.golang.org/protobuf/internal/impl/convert_map.go

@@ -101,7 +101,7 @@ func (ms *mapReflect) Mutable(k protoreflect.MapKey) protoreflect.Value {
 	return v
 }
 func (ms *mapReflect) Range(f func(protoreflect.MapKey, protoreflect.Value) bool) {
-	iter := mapRange(ms.v)
+	iter := ms.v.MapRange()
 	for iter.Next() {
 		k := ms.keyConv.PBValueOf(iter.Key()).MapKey()
 		v := ms.valConv.PBValueOf(iter.Value())

vendor/google.golang.org/protobuf/internal/impl/lazy.go

@@ -131,7 +131,7 @@ func (mi *MessageInfo) skipField(b []byte, f *coderFieldInfo, wtyp protowire.Typ
 	fmi := f.validation.mi
 	if fmi == nil {
 		fd := mi.Desc.Fields().ByNumber(f.num)
-		if fd == nil || !fd.IsWeak() {
+		if fd == nil {
 			return out, ValidationUnknown
 		}
 		messageName := fd.Message().FullName()

vendor/google.golang.org/protobuf/internal/impl/legacy_message.go

@@ -310,12 +310,9 @@ func aberrantAppendField(md *filedesc.Message, goType reflect.Type, tag, tagKey,
 	fd.L0.Parent = md
 	fd.L0.Index = n
 
-	if fd.L1.IsWeak || fd.L1.EditionFeatures.IsPacked {
+	if fd.L1.EditionFeatures.IsPacked {
 		fd.L1.Options = func() protoreflect.ProtoMessage {
 			opts := descopts.Field.ProtoReflect().New()
-			if fd.L1.IsWeak {
-				opts.Set(opts.Descriptor().Fields().ByName("weak"), protoreflect.ValueOfBool(true))
-			}
 			if fd.L1.EditionFeatures.IsPacked {
 				opts.Set(opts.Descriptor().Fields().ByName("packed"), protoreflect.ValueOfBool(fd.L1.EditionFeatures.IsPacked))
 			}

vendor/google.golang.org/protobuf/internal/impl/message.go

@@ -14,7 +14,6 @@ import (
 
 	"google.golang.org/protobuf/internal/genid"
 	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
 )
 
 // MessageInfo provides protobuf related functionality for a given Go type
@@ -120,7 +119,6 @@ type (
 
 var (
 	sizecacheType       = reflect.TypeOf(SizeCache(0))
-	weakFieldsType      = reflect.TypeOf(WeakFields(nil))
 	unknownFieldsAType  = reflect.TypeOf(unknownFieldsA(nil))
 	unknownFieldsBType  = reflect.TypeOf(unknownFieldsB(nil))
 	extensionFieldsType = reflect.TypeOf(ExtensionFields(nil))
@@ -129,8 +127,6 @@ var (
 type structInfo struct {
 	sizecacheOffset offset
 	sizecacheType   reflect.Type
-	weakOffset      offset
-	weakType        reflect.Type
 	unknownOffset   offset
 	unknownType     reflect.Type
 	extensionOffset offset
@@ -148,7 +144,6 @@ type structInfo struct {
 func (mi *MessageInfo) makeStructInfo(t reflect.Type) structInfo {
 	si := structInfo{
 		sizecacheOffset: invalidOffset,
-		weakOffset:      invalidOffset,
 		unknownOffset:   invalidOffset,
 		extensionOffset: invalidOffset,
 		lazyOffset:      invalidOffset,
@@ -165,28 +160,23 @@ fieldLoop:
 		switch f := t.Field(i); f.Name {
 		case genid.SizeCache_goname, genid.SizeCacheA_goname:
 			if f.Type == sizecacheType {
-				si.sizecacheOffset = offsetOf(f, mi.Exporter)
+				si.sizecacheOffset = offsetOf(f)
 				si.sizecacheType = f.Type
 			}
-		case genid.WeakFields_goname, genid.WeakFieldsA_goname:
-			if f.Type == weakFieldsType {
-				si.weakOffset = offsetOf(f, mi.Exporter)
-				si.weakType = f.Type
-			}
 		case genid.UnknownFields_goname, genid.UnknownFieldsA_goname:
 			if f.Type == unknownFieldsAType || f.Type == unknownFieldsBType {
-				si.unknownOffset = offsetOf(f, mi.Exporter)
+				si.unknownOffset = offsetOf(f)
 				si.unknownType = f.Type
 			}
 		case genid.ExtensionFields_goname, genid.ExtensionFieldsA_goname, genid.ExtensionFieldsB_goname:
 			if f.Type == extensionFieldsType {
-				si.extensionOffset = offsetOf(f, mi.Exporter)
+				si.extensionOffset = offsetOf(f)
 				si.extensionType = f.Type
 			}
 		case "lazyFields", "XXX_lazyUnmarshalInfo":
-			si.lazyOffset = offsetOf(f, mi.Exporter)
+			si.lazyOffset = offsetOf(f)
 		case "XXX_presence":
-			si.presenceOffset = offsetOf(f, mi.Exporter)
+			si.presenceOffset = offsetOf(f)
 		default:
 			for _, s := range strings.Split(f.Tag.Get("protobuf"), ",") {
 				if len(s) > 0 && strings.Trim(s, "0123456789") == "" {
@@ -256,9 +246,6 @@ func (mi *MessageInfo) Message(i int) protoreflect.MessageType {
 	mi.init()
 	fd := mi.Desc.Fields().Get(i)
 	switch {
-	case fd.IsWeak():
-		mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName())
-		return mt
 	case fd.IsMap():
 		return mapEntryType{fd.Message(), mi.fieldTypes[fd.Number()]}
 	default:

vendor/google.golang.org/protobuf/internal/impl/message_opaque.go

@@ -56,9 +56,6 @@ func opaqueInitHook(mi *MessageInfo) bool {
 		usePresence, _ := usePresenceForField(si, fd)
 
 		switch {
-		case fd.IsWeak():
-			// Weak fields are no different for opaque.
-			fi = fieldInfoForWeakMessage(fd, si.weakOffset)
 		case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
 			// Oneofs are no different for opaque.
 			fi = fieldInfoForOneof(fd, si.oneofsByName[fd.ContainingOneof().Name()], mi.Exporter, si.oneofWrappersByNumber[fd.Number()])
@@ -142,7 +139,7 @@ func (mi *MessageInfo) fieldInfoForMapOpaque(si opaqueStructInfo, fd protoreflec
 	if ft.Kind() != reflect.Map {
 		panic(fmt.Sprintf("invalid type: got %v, want map kind", ft))
 	}
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	conv := NewConverter(ft, fd)
 	return fieldInfo{
 		fieldDesc: fd,
@@ -196,7 +193,7 @@ func (mi *MessageInfo) fieldInfoForScalarListOpaque(si opaqueStructInfo, fd prot
 		panic(fmt.Sprintf("invalid type: got %v, want slice kind", ft))
 	}
 	conv := NewConverter(reflect.PtrTo(ft), fd)
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	index, _ := presenceIndex(mi.Desc, fd)
 	return fieldInfo{
 		fieldDesc: fd,
@@ -246,7 +243,7 @@ func (mi *MessageInfo) fieldInfoForMessageListOpaque(si opaqueStructInfo, fd pro
 		panic(fmt.Sprintf("invalid type: got %v, want slice kind", ft))
 	}
 	conv := NewConverter(ft, fd)
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	index, _ := presenceIndex(mi.Desc, fd)
 	fieldNumber := fd.Number()
 	return fieldInfo{
@@ -339,7 +336,7 @@ func (mi *MessageInfo) fieldInfoForMessageListOpaqueNoPresence(si opaqueStructIn
 		panic(fmt.Sprintf("invalid type: got %v, want slice kind", ft))
 	}
 	conv := NewConverter(ft, fd)
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	return fieldInfo{
 		fieldDesc: fd,
 		has: func(p pointer) bool {
@@ -411,7 +408,7 @@ func (mi *MessageInfo) fieldInfoForScalarOpaque(si opaqueStructInfo, fd protoref
 		deref = true
 	}
 	conv := NewConverter(ft, fd)
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	index, _ := presenceIndex(mi.Desc, fd)
 	var getter func(p pointer) protoreflect.Value
 	if !nullable {
@@ -480,7 +477,7 @@ func (mi *MessageInfo) fieldInfoForScalarOpaque(si opaqueStructInfo, fd protoref
 func (mi *MessageInfo) fieldInfoForMessageOpaque(si opaqueStructInfo, fd protoreflect.FieldDescriptor, fs reflect.StructField) fieldInfo {
 	ft := fs.Type
 	conv := NewConverter(ft, fd)
-	fieldOffset := offsetOf(fs, mi.Exporter)
+	fieldOffset := offsetOf(fs)
 	index, _ := presenceIndex(mi.Desc, fd)
 	fieldNumber := fd.Number()
 	elemType := fs.Type.Elem()
@@ -620,8 +617,6 @@ func usePresenceForField(si opaqueStructInfo, fd protoreflect.FieldDescriptor) (
 	switch {
 	case fd.ContainingOneof() != nil && !fd.ContainingOneof().IsSynthetic():
 		return false, false
-	case fd.IsWeak():
-		return false, false
 	case fd.IsMap():
 		return false, false
 	case fd.Kind() == protoreflect.MessageKind || fd.Kind() == protoreflect.GroupKind:

vendor/google.golang.org/protobuf/internal/impl/message_reflect.go

@@ -72,8 +72,6 @@ func (mi *MessageInfo) makeKnownFieldsFunc(si structInfo) {
 			fi = fieldInfoForMap(fd, fs, mi.Exporter)
 		case fd.IsList():
 			fi = fieldInfoForList(fd, fs, mi.Exporter)
-		case fd.IsWeak():
-			fi = fieldInfoForWeakMessage(fd, si.weakOffset)
 		case fd.Message() != nil:
 			fi = fieldInfoForMessage(fd, fs, mi.Exporter)
 		default:
@@ -219,9 +217,6 @@ func (mi *MessageInfo) makeFieldTypes(si structInfo) {
 			}
 		case fd.Message() != nil:
 			ft = fs.Type
-			if fd.IsWeak() {
-				ft = nil
-			}
 			isMessage = true
 		}
 		if isMessage && ft != nil && ft.Kind() != reflect.Ptr {

vendor/google.golang.org/protobuf/internal/impl/message_reflect_field.go

@@ -8,11 +8,8 @@ import (
 	"fmt"
 	"math"
 	"reflect"
-	"sync"
 
-	"google.golang.org/protobuf/internal/flags"
 	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
 )
 
 type fieldInfo struct {
@@ -76,7 +73,7 @@ func fieldInfoForOneof(fd protoreflect.FieldDescriptor, fs reflect.StructField,
 	isMessage := fd.Message() != nil
 
 	// TODO: Implement unsafe fast path?
-	fieldOffset := offsetOf(fs, x)
+	fieldOffset := offsetOf(fs)
 	return fieldInfo{
 		// NOTE: The logic below intentionally assumes that oneof fields are
 		// well-formatted. That is, the oneof interface never contains a
@@ -152,7 +149,7 @@ func fieldInfoForMap(fd protoreflect.FieldDescriptor, fs reflect.StructField, x
 	conv := NewConverter(ft, fd)
 
 	// TODO: Implement unsafe fast path?
-	fieldOffset := offsetOf(fs, x)
+	fieldOffset := offsetOf(fs)
 	return fieldInfo{
 		fieldDesc: fd,
 		has: func(p pointer) bool {
@@ -205,7 +202,7 @@ func fieldInfoForList(fd protoreflect.FieldDescriptor, fs reflect.StructField, x
 	conv := NewConverter(reflect.PtrTo(ft), fd)
 
 	// TODO: Implement unsafe fast path?
-	fieldOffset := offsetOf(fs, x)
+	fieldOffset := offsetOf(fs)
 	return fieldInfo{
 		fieldDesc: fd,
 		has: func(p pointer) bool {
@@ -269,7 +266,7 @@ func fieldInfoForScalar(fd protoreflect.FieldDescriptor, fs reflect.StructField,
 		}
 	}
 	conv := NewConverter(ft, fd)
-	fieldOffset := offsetOf(fs, x)
+	fieldOffset := offsetOf(fs)
 
 	// Generate specialized getter functions to avoid going through reflect.Value
 	if nullable {
@@ -332,85 +329,12 @@ func fieldInfoForScalar(fd protoreflect.FieldDescriptor, fs reflect.StructField,
 	}
 }
 
-func fieldInfoForWeakMessage(fd protoreflect.FieldDescriptor, weakOffset offset) fieldInfo {
-	if !flags.ProtoLegacy {
-		panic("no support for proto1 weak fields")
-	}
-
-	var once sync.Once
-	var messageType protoreflect.MessageType
-	lazyInit := func() {
-		once.Do(func() {
-			messageName := fd.Message().FullName()
-			messageType, _ = protoregistry.GlobalTypes.FindMessageByName(messageName)
-			if messageType == nil {
-				panic(fmt.Sprintf("weak message %v for field %v is not linked in", messageName, fd.FullName()))
-			}
-		})
-	}
-
-	num := fd.Number()
-	return fieldInfo{
-		fieldDesc: fd,
-		has: func(p pointer) bool {
-			if p.IsNil() {
-				return false
-			}
-			_, ok := p.Apply(weakOffset).WeakFields().get(num)
-			return ok
-		},
-		clear: func(p pointer) {
-			p.Apply(weakOffset).WeakFields().clear(num)
-		},
-		get: func(p pointer) protoreflect.Value {
-			lazyInit()
-			if p.IsNil() {
-				return protoreflect.ValueOfMessage(messageType.Zero())
-			}
-			m, ok := p.Apply(weakOffset).WeakFields().get(num)
-			if !ok {
-				return protoreflect.ValueOfMessage(messageType.Zero())
-			}
-			return protoreflect.ValueOfMessage(m.ProtoReflect())
-		},
-		set: func(p pointer, v protoreflect.Value) {
-			lazyInit()
-			m := v.Message()
-			if m.Descriptor() != messageType.Descriptor() {
-				if got, want := m.Descriptor().FullName(), messageType.Descriptor().FullName(); got != want {
-					panic(fmt.Sprintf("field %v has mismatching message descriptor: got %v, want %v", fd.FullName(), got, want))
-				}
-				panic(fmt.Sprintf("field %v has mismatching message descriptor: %v", fd.FullName(), m.Descriptor().FullName()))
-			}
-			p.Apply(weakOffset).WeakFields().set(num, m.Interface())
-		},
-		mutable: func(p pointer) protoreflect.Value {
-			lazyInit()
-			fs := p.Apply(weakOffset).WeakFields()
-			m, ok := fs.get(num)
-			if !ok {
-				m = messageType.New().Interface()
-				fs.set(num, m)
-			}
-			return protoreflect.ValueOfMessage(m.ProtoReflect())
-		},
-		newMessage: func() protoreflect.Message {
-			lazyInit()
-			return messageType.New()
-		},
-		newField: func() protoreflect.Value {
-			lazyInit()
-			return protoreflect.ValueOfMessage(messageType.New())
-		},
-	}
-}
-
 func fieldInfoForMessage(fd protoreflect.FieldDescriptor, fs reflect.StructField, x exporter) fieldInfo {
 	ft := fs.Type
 	conv := NewConverter(ft, fd)
 
 	// TODO: Implement unsafe fast path?
-	fieldOffset := offsetOf(fs, x)
+	fieldOffset := offsetOf(fs)
 	return fieldInfo{
 		fieldDesc: fd,
 		has: func(p pointer) bool {
@@ -419,7 +343,7 @@ func fieldInfoForMessage(fd protoreflect.FieldDescriptor, fs reflect.StructField
 			}
 			rv := p.Apply(fieldOffset).AsValueOf(fs.Type).Elem()
 			if fs.Type.Kind() != reflect.Ptr {
-				return !isZero(rv)
+				return !rv.IsZero()
 			}
 			return !rv.IsNil()
 		},
@@ -466,7 +390,7 @@ func makeOneofInfo(od protoreflect.OneofDescriptor, si structInfo, x exporter) *
 	oi := &oneofInfo{oneofDesc: od}
 	if od.IsSynthetic() {
 		fs := si.fieldsByNumber[od.Fields().Get(0).Number()]
-		fieldOffset := offsetOf(fs, x)
+		fieldOffset := offsetOf(fs)
 		oi.which = func(p pointer) protoreflect.FieldNumber {
 			if p.IsNil() {
 				return 0
@@ -479,7 +403,7 @@ func makeOneofInfo(od protoreflect.OneofDescriptor, si structInfo, x exporter) *
 		}
 	} else {
 		fs := si.oneofsByName[od.Name()]
-		fieldOffset := offsetOf(fs, x)
+		fieldOffset := offsetOf(fs)
 		oi.which = func(p pointer) protoreflect.FieldNumber {
 			if p.IsNil() {
 				return 0
@@ -497,41 +421,3 @@ func makeOneofInfo(od protoreflect.OneofDescriptor, si structInfo, x exporter) *
 	}
 	return oi
 }
-
-// isZero is identical to reflect.Value.IsZero.
-// TODO: Remove this when Go1.13 is the minimally supported Go version.
-func isZero(v reflect.Value) bool {
-	switch v.Kind() {
-	case reflect.Bool:
-		return !v.Bool()
-	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
-		return v.Int() == 0
-	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
-		return v.Uint() == 0
-	case reflect.Float32, reflect.Float64:
-		return math.Float64bits(v.Float()) == 0
-	case reflect.Complex64, reflect.Complex128:
-		c := v.Complex()
-		return math.Float64bits(real(c)) == 0 && math.Float64bits(imag(c)) == 0
-	case reflect.Array:
-		for i := 0; i < v.Len(); i++ {
-			if !isZero(v.Index(i)) {
-				return false
-			}
-		}
-		return true
-	case reflect.Chan, reflect.Func, reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice, reflect.UnsafePointer:
-		return v.IsNil()
-	case reflect.String:
-		return v.Len() == 0
-	case reflect.Struct:
-		for i := 0; i < v.NumField(); i++ {
-			if !isZero(v.Field(i)) {
-				return false
-			}
-		}
-		return true
-	default:
-		panic(&reflect.ValueError{Method: "reflect.Value.IsZero", Kind: v.Kind()})
-	}
-}

vendor/google.golang.org/protobuf/internal/impl/pointer_unsafe.go

@@ -22,7 +22,7 @@ type Pointer unsafe.Pointer
 type offset uintptr
 
 // offsetOf returns a field offset for the struct field.
-func offsetOf(f reflect.StructField, x exporter) offset {
+func offsetOf(f reflect.StructField) offset {
 	return offset(f.Offset)
 }
 
@@ -111,7 +111,6 @@ func (p pointer) StringSlice() *[]string                { return (*[]string)(p.p
 func (p pointer) Bytes() *[]byte                        { return (*[]byte)(p.p) }
 func (p pointer) BytesPtr() **[]byte                    { return (**[]byte)(p.p) }
 func (p pointer) BytesSlice() *[][]byte                 { return (*[][]byte)(p.p) }
-func (p pointer) WeakFields() *weakFields               { return (*weakFields)(p.p) }
 func (p pointer) Extensions() *map[int32]ExtensionField { return (*map[int32]ExtensionField)(p.p) }
 func (p pointer) LazyInfoPtr() **protolazy.XXX_lazyUnmarshalInfo {
 	return (**protolazy.XXX_lazyUnmarshalInfo)(p.p)

vendor/google.golang.org/protobuf/internal/impl/validate.go

@@ -211,9 +211,7 @@ func newValidationInfo(fd protoreflect.FieldDescriptor, ft reflect.Type) validat
 		switch fd.Kind() {
 		case protoreflect.MessageKind:
 			vi.typ = validationTypeMessage
-			if !fd.IsWeak() {
-				vi.mi = getMessageInfo(ft)
-			}
+			vi.mi = getMessageInfo(ft)
 		case protoreflect.GroupKind:
 			vi.typ = validationTypeGroup
 			vi.mi = getMessageInfo(ft)
@@ -320,26 +318,6 @@ State:
 				}
 				if f != nil {
 					vi = f.validation
-					if vi.typ == validationTypeMessage && vi.mi == nil {
-						// Probable weak field.
-						//
-						// TODO: Consider storing the results of this lookup somewhere
-						// rather than recomputing it on every validation.
-						fd := st.mi.Desc.Fields().ByNumber(num)
-						if fd == nil || !fd.IsWeak() {
-							break
-						}
-						messageName := fd.Message().FullName()
-						messageType, err := protoregistry.GlobalTypes.FindMessageByName(messageName)
-						switch err {
-						case nil:
-							vi.mi, _ = messageType.(*MessageInfo)
-						case protoregistry.NotFound:
-							vi.typ = validationTypeBytes
-						default:
-							return out, ValidationUnknown
-						}
-					}
 					break
 				}
 				// Possible extension field.

vendor/google.golang.org/protobuf/internal/impl/weak.go

@@ -1,74 +0,0 @@
-// Copyright 2019 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package impl
-
-import (
-	"fmt"
-
-	"google.golang.org/protobuf/reflect/protoreflect"
-	"google.golang.org/protobuf/reflect/protoregistry"
-)
-
-// weakFields adds methods to the exported WeakFields type for internal use.
-//
-// The exported type is an alias to an unnamed type, so methods can't be
-// defined directly on it.
-type weakFields WeakFields
-
-func (w weakFields) get(num protoreflect.FieldNumber) (protoreflect.ProtoMessage, bool) {
-	m, ok := w[int32(num)]
-	return m, ok
-}
-
-func (w *weakFields) set(num protoreflect.FieldNumber, m protoreflect.ProtoMessage) {
-	if *w == nil {
-		*w = make(weakFields)
-	}
-	(*w)[int32(num)] = m
-}
-
-func (w *weakFields) clear(num protoreflect.FieldNumber) {
-	delete(*w, int32(num))
-}
-
-func (Export) HasWeak(w WeakFields, num protoreflect.FieldNumber) bool {
-	_, ok := w[int32(num)]
-	return ok
-}
-
-func (Export) ClearWeak(w *WeakFields, num protoreflect.FieldNumber) {
-	delete(*w, int32(num))
-}
-
-func (Export) GetWeak(w WeakFields, num protoreflect.FieldNumber, name protoreflect.FullName) protoreflect.ProtoMessage {
-	if m, ok := w[int32(num)]; ok {
-		return m
-	}
-	mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
-	if mt == nil {
-		panic(fmt.Sprintf("message %v for weak field is not linked in", name))
-	}
-	return mt.Zero().Interface()
-}
-
-func (Export) SetWeak(w *WeakFields, num protoreflect.FieldNumber, name protoreflect.FullName, m protoreflect.ProtoMessage) {
-	if m != nil {
-		mt, _ := protoregistry.GlobalTypes.FindMessageByName(name)
-		if mt == nil {
-			panic(fmt.Sprintf("message %v for weak field is not linked in", name))
-		}
-		if mt != m.ProtoReflect().Type() {
-			panic(fmt.Sprintf("invalid message type for weak field: got %T, want %T", m, mt.Zero().Interface()))
-		}
-	}
-	if m == nil || !m.ProtoReflect().IsValid() {
-		delete(*w, int32(num))
-		return
-	}
-	if *w == nil {
-		*w = make(weakFields)
-	}
-	(*w)[int32(num)] = m
-}

vendor/google.golang.org/protobuf/internal/version/version.go

@@ -52,7 +52,7 @@ import (
 const (
 	Major      = 1
 	Minor      = 36
-	Patch      = 2
+	Patch      = 5
 	PreRelease = ""
 )
 

vendor/google.golang.org/protobuf/proto/decode.go

@@ -8,7 +8,6 @@ import (
 	"google.golang.org/protobuf/encoding/protowire"
 	"google.golang.org/protobuf/internal/encoding/messageset"
 	"google.golang.org/protobuf/internal/errors"
-	"google.golang.org/protobuf/internal/flags"
 	"google.golang.org/protobuf/internal/genid"
 	"google.golang.org/protobuf/internal/pragma"
 	"google.golang.org/protobuf/reflect/protoreflect"
@@ -172,10 +171,6 @@ func (o UnmarshalOptions) unmarshalMessageSlow(b []byte, m protoreflect.Message)
 		var err error
 		if fd == nil {
 			err = errUnknown
-		} else if flags.ProtoLegacy {
-			if fd.IsWeak() && fd.Message().IsPlaceholder() {
-				err = errUnknown // weak referent is not linked in
-			}
 		}
 
 		// Parse the field value.

vendor/google.golang.org/protobuf/reflect/protoreflect/type.go

@@ -68,7 +68,7 @@ type Descriptor interface {
 	// dependency is not resolved, in which case only name information is known.
 	//
 	// Placeholder types may only be returned by the following accessors
-	// as a result of unresolved dependencies or weak imports:
+	// as a result of unresolved dependencies:
 	//
 	//	╔═══════════════════════════════════╤═════════════════════╗
 	//	║ Accessor                          │ Descriptor          ║
@@ -168,11 +168,7 @@ type FileImport struct {
 	// The current file and the imported file must be within proto package.
 	IsPublic bool
 
-	// IsWeak reports whether this is a weak import, which does not impose
-	// a direct dependency on the target file.
-	//
-	// Weak imports are a legacy proto1 feature. Equivalent behavior is
-	// achieved using proto2 extension fields or proto3 Any messages.
+	// Deprecated: support for weak fields has been removed.
 	IsWeak bool
 }
 
@@ -325,9 +321,7 @@ type FieldDescriptor interface {
 	// specified in the source .proto file.
 	HasOptionalKeyword() bool
 
-	// IsWeak reports whether this is a weak field, which does not impose a
-	// direct dependency on the target type.
-	// If true, then Message returns a placeholder type.
+	// Deprecated: support for weak fields has been removed.
 	IsWeak() bool
 
 	// IsPacked reports whether repeated primitive numeric kinds should be

vendor/google.golang.org/protobuf/types/known/anypb/any.pb.go

@@ -122,6 +122,7 @@ import (
 	reflect "reflect"
 	strings "strings"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 // `Any` contains an arbitrary serialized protocol buffer message along with a
@@ -411,7 +412,7 @@ func (x *Any) GetValue() []byte {
 
 var File_google_protobuf_any_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_any_proto_rawDesc = []byte{
+var file_google_protobuf_any_proto_rawDesc = string([]byte{
 	0x0a, 0x19, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x61, 0x6e, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0f, 0x67, 0x6f, 0x6f,
 	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x22, 0x36, 0x0a, 0x03,
@@ -427,16 +428,16 @@ var file_google_protobuf_any_proto_rawDesc = []byte{
 	0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x57, 0x65,
 	0x6c, 0x6c, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72,
 	0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_any_proto_rawDescOnce sync.Once
-	file_google_protobuf_any_proto_rawDescData = file_google_protobuf_any_proto_rawDesc
+	file_google_protobuf_any_proto_rawDescData []byte
 )
 
 func file_google_protobuf_any_proto_rawDescGZIP() []byte {
 	file_google_protobuf_any_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_any_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_any_proto_rawDescData)
+		file_google_protobuf_any_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_any_proto_rawDesc), len(file_google_protobuf_any_proto_rawDesc)))
 	})
 	return file_google_protobuf_any_proto_rawDescData
 }
@@ -462,7 +463,7 @@ func file_google_protobuf_any_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_any_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_any_proto_rawDesc), len(file_google_protobuf_any_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   1,
 			NumExtensions: 0,
@@ -473,7 +474,6 @@ func file_google_protobuf_any_proto_init() {
 		MessageInfos:      file_google_protobuf_any_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_any_proto = out.File
-	file_google_protobuf_any_proto_rawDesc = nil
 	file_google_protobuf_any_proto_goTypes = nil
 	file_google_protobuf_any_proto_depIdxs = nil
 }

vendor/google.golang.org/protobuf/types/known/durationpb/duration.pb.go

@@ -80,6 +80,7 @@ import (
 	reflect "reflect"
 	sync "sync"
 	time "time"
+	unsafe "unsafe"
 )
 
 // A Duration represents a signed, fixed-length span of time represented
@@ -288,7 +289,7 @@ func (x *Duration) GetNanos() int32 {
 
 var File_google_protobuf_duration_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_duration_proto_rawDesc = []byte{
+var file_google_protobuf_duration_proto_rawDesc = string([]byte{
 	0x0a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x12, 0x0f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
@@ -305,16 +306,16 @@ var file_google_protobuf_duration_proto_rawDesc = []byte{
 	0x50, 0x42, 0xaa, 0x02, 0x1e, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x50, 0x72, 0x6f, 0x74,
 	0x6f, 0x62, 0x75, 0x66, 0x2e, 0x57, 0x65, 0x6c, 0x6c, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x54, 0x79,
 	0x70, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_duration_proto_rawDescOnce sync.Once
-	file_google_protobuf_duration_proto_rawDescData = file_google_protobuf_duration_proto_rawDesc
+	file_google_protobuf_duration_proto_rawDescData []byte
 )
 
 func file_google_protobuf_duration_proto_rawDescGZIP() []byte {
 	file_google_protobuf_duration_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_duration_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_duration_proto_rawDescData)
+		file_google_protobuf_duration_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_duration_proto_rawDesc), len(file_google_protobuf_duration_proto_rawDesc)))
 	})
 	return file_google_protobuf_duration_proto_rawDescData
 }
@@ -340,7 +341,7 @@ func file_google_protobuf_duration_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_duration_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_duration_proto_rawDesc), len(file_google_protobuf_duration_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   1,
 			NumExtensions: 0,
@@ -351,7 +352,6 @@ func file_google_protobuf_duration_proto_init() {
 		MessageInfos:      file_google_protobuf_duration_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_duration_proto = out.File
-	file_google_protobuf_duration_proto_rawDesc = nil
 	file_google_protobuf_duration_proto_goTypes = nil
 	file_google_protobuf_duration_proto_depIdxs = nil
 }

vendor/google.golang.org/protobuf/types/known/fieldmaskpb/field_mask.pb.go

@@ -83,6 +83,7 @@ import (
 	sort "sort"
 	strings "strings"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 // `FieldMask` represents a set of symbolic field paths, for example:
@@ -503,7 +504,7 @@ func (x *FieldMask) GetPaths() []string {
 
 var File_google_protobuf_field_mask_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_field_mask_proto_rawDesc = []byte{
+var file_google_protobuf_field_mask_proto_rawDesc = string([]byte{
 	0x0a, 0x20, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x66, 0x69, 0x65, 0x6c, 0x64, 0x5f, 0x6d, 0x61, 0x73, 0x6b, 0x2e, 0x70, 0x72, 0x6f,
 	0x74, 0x6f, 0x12, 0x0f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
@@ -519,16 +520,16 @@ var file_google_protobuf_field_mask_proto_rawDesc = []byte{
 	0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e,
 	0x57, 0x65, 0x6c, 0x6c, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_field_mask_proto_rawDescOnce sync.Once
-	file_google_protobuf_field_mask_proto_rawDescData = file_google_protobuf_field_mask_proto_rawDesc
+	file_google_protobuf_field_mask_proto_rawDescData []byte
 )
 
 func file_google_protobuf_field_mask_proto_rawDescGZIP() []byte {
 	file_google_protobuf_field_mask_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_field_mask_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_field_mask_proto_rawDescData)
+		file_google_protobuf_field_mask_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_field_mask_proto_rawDesc), len(file_google_protobuf_field_mask_proto_rawDesc)))
 	})
 	return file_google_protobuf_field_mask_proto_rawDescData
 }
@@ -554,7 +555,7 @@ func file_google_protobuf_field_mask_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_field_mask_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_field_mask_proto_rawDesc), len(file_google_protobuf_field_mask_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   1,
 			NumExtensions: 0,
@@ -565,7 +566,6 @@ func file_google_protobuf_field_mask_proto_init() {
 		MessageInfos:      file_google_protobuf_field_mask_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_field_mask_proto = out.File
-	file_google_protobuf_field_mask_proto_rawDesc = nil
 	file_google_protobuf_field_mask_proto_goTypes = nil
 	file_google_protobuf_field_mask_proto_depIdxs = nil
 }

vendor/google.golang.org/protobuf/types/known/structpb/struct.pb.go

@@ -128,6 +128,7 @@ import (
 	reflect "reflect"
 	sync "sync"
 	utf8 "unicode/utf8"
+	unsafe "unsafe"
 )
 
 // `NullValue` is a singleton enumeration to represent the null value for the
@@ -671,7 +672,7 @@ func (x *ListValue) GetValues() []*Value {
 
 var File_google_protobuf_struct_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_struct_proto_rawDesc = []byte{
+var file_google_protobuf_struct_proto_rawDesc = string([]byte{
 	0x0a, 0x1c, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x73, 0x74, 0x72, 0x75, 0x63, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0f,
 	0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x22,
@@ -719,16 +720,16 @@ var file_google_protobuf_struct_proto_rawDesc = []byte{
 	0x6c, 0x65, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x57, 0x65, 0x6c, 0x6c,
 	0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_struct_proto_rawDescOnce sync.Once
-	file_google_protobuf_struct_proto_rawDescData = file_google_protobuf_struct_proto_rawDesc
+	file_google_protobuf_struct_proto_rawDescData []byte
 )
 
 func file_google_protobuf_struct_proto_rawDescGZIP() []byte {
 	file_google_protobuf_struct_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_struct_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_struct_proto_rawDescData)
+		file_google_protobuf_struct_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_struct_proto_rawDesc), len(file_google_protobuf_struct_proto_rawDesc)))
 	})
 	return file_google_protobuf_struct_proto_rawDescData
 }
@@ -773,7 +774,7 @@ func file_google_protobuf_struct_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_struct_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_struct_proto_rawDesc), len(file_google_protobuf_struct_proto_rawDesc)),
 			NumEnums:      1,
 			NumMessages:   4,
 			NumExtensions: 0,
@@ -785,7 +786,6 @@ func file_google_protobuf_struct_proto_init() {
 		MessageInfos:      file_google_protobuf_struct_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_struct_proto = out.File
-	file_google_protobuf_struct_proto_rawDesc = nil
 	file_google_protobuf_struct_proto_goTypes = nil
 	file_google_protobuf_struct_proto_depIdxs = nil
 }

vendor/google.golang.org/protobuf/types/known/timestamppb/timestamp.pb.go

@@ -78,6 +78,7 @@ import (
 	reflect "reflect"
 	sync "sync"
 	time "time"
+	unsafe "unsafe"
 )
 
 // A Timestamp represents a point in time independent of any time zone or local
@@ -297,7 +298,7 @@ func (x *Timestamp) GetNanos() int32 {
 
 var File_google_protobuf_timestamp_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_timestamp_proto_rawDesc = []byte{
+var file_google_protobuf_timestamp_proto_rawDesc = string([]byte{
 	0x0a, 0x1f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x74,
 	0x6f, 0x12, 0x0f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62,
@@ -314,16 +315,16 @@ var file_google_protobuf_timestamp_proto_rawDesc = []byte{
 	0xa2, 0x02, 0x03, 0x47, 0x50, 0x42, 0xaa, 0x02, 0x1e, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e,
 	0x50, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x57, 0x65, 0x6c, 0x6c, 0x4b, 0x6e, 0x6f,
 	0x77, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_timestamp_proto_rawDescOnce sync.Once
-	file_google_protobuf_timestamp_proto_rawDescData = file_google_protobuf_timestamp_proto_rawDesc
+	file_google_protobuf_timestamp_proto_rawDescData []byte
 )
 
 func file_google_protobuf_timestamp_proto_rawDescGZIP() []byte {
 	file_google_protobuf_timestamp_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_timestamp_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_timestamp_proto_rawDescData)
+		file_google_protobuf_timestamp_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_timestamp_proto_rawDesc), len(file_google_protobuf_timestamp_proto_rawDesc)))
 	})
 	return file_google_protobuf_timestamp_proto_rawDescData
 }
@@ -349,7 +350,7 @@ func file_google_protobuf_timestamp_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_timestamp_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_timestamp_proto_rawDesc), len(file_google_protobuf_timestamp_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   1,
 			NumExtensions: 0,
@@ -360,7 +361,6 @@ func file_google_protobuf_timestamp_proto_init() {
 		MessageInfos:      file_google_protobuf_timestamp_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_timestamp_proto = out.File
-	file_google_protobuf_timestamp_proto_rawDesc = nil
 	file_google_protobuf_timestamp_proto_goTypes = nil
 	file_google_protobuf_timestamp_proto_depIdxs = nil
 }

vendor/google.golang.org/protobuf/types/known/wrapperspb/wrappers.pb.go

@@ -48,6 +48,7 @@ import (
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
 	reflect "reflect"
 	sync "sync"
+	unsafe "unsafe"
 )
 
 // Wrapper message for `double`.
@@ -529,7 +530,7 @@ func (x *BytesValue) GetValue() []byte {
 
 var File_google_protobuf_wrappers_proto protoreflect.FileDescriptor
 
-var file_google_protobuf_wrappers_proto_rawDesc = []byte{
+var file_google_protobuf_wrappers_proto_rawDesc = string([]byte{
 	0x0a, 0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
 	0x66, 0x2f, 0x77, 0x72, 0x61, 0x70, 0x70, 0x65, 0x72, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f,
 	0x12, 0x0f, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
@@ -563,16 +564,16 @@ var file_google_protobuf_wrappers_proto_rawDesc = []byte{
 	0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e,
 	0x57, 0x65, 0x6c, 0x6c, 0x4b, 0x6e, 0x6f, 0x77, 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06,
 	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
-}
+})
 
 var (
 	file_google_protobuf_wrappers_proto_rawDescOnce sync.Once
-	file_google_protobuf_wrappers_proto_rawDescData = file_google_protobuf_wrappers_proto_rawDesc
+	file_google_protobuf_wrappers_proto_rawDescData []byte
 )
 
 func file_google_protobuf_wrappers_proto_rawDescGZIP() []byte {
 	file_google_protobuf_wrappers_proto_rawDescOnce.Do(func() {
-		file_google_protobuf_wrappers_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_wrappers_proto_rawDescData)
+		file_google_protobuf_wrappers_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_google_protobuf_wrappers_proto_rawDesc), len(file_google_protobuf_wrappers_proto_rawDesc)))
 	})
 	return file_google_protobuf_wrappers_proto_rawDescData
 }
@@ -606,7 +607,7 @@ func file_google_protobuf_wrappers_proto_init() {
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_google_protobuf_wrappers_proto_rawDesc,
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_google_protobuf_wrappers_proto_rawDesc), len(file_google_protobuf_wrappers_proto_rawDesc)),
 			NumEnums:      0,
 			NumMessages:   9,
 			NumExtensions: 0,
@@ -617,7 +618,6 @@ func file_google_protobuf_wrappers_proto_init() {
 		MessageInfos:      file_google_protobuf_wrappers_proto_msgTypes,
 	}.Build()
 	File_google_protobuf_wrappers_proto = out.File
-	file_google_protobuf_wrappers_proto_rawDesc = nil
 	file_google_protobuf_wrappers_proto_goTypes = nil
 	file_google_protobuf_wrappers_proto_depIdxs = nil
 }