snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

2026-09-15 20:40:15 +05:00
commit e241b33f26
1365 changed files with 339570 additions and 0 deletions
--- a/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go
+++ b/balancer/grpclb/grpc_lb_v1/load_balancer.pb.go
@@ -0,0 +1,763 @@
+// Copyright 2015 The 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.
+
+// This file defines the GRPCLB LoadBalancing protocol.
+//
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/lb/v1/load_balancer.proto
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.12
+// 	protoc        v5.27.1
+// source: grpc/lb/v1/load_balancer.proto
+
+package grpc_lb_v1
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	timestamppb "google.golang.org/protobuf/types/known/timestamppb"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type LoadBalanceRequest struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to LoadBalanceRequestType:
+	//
+	//	*LoadBalanceRequest_InitialRequest
+	//	*LoadBalanceRequest_ClientStats
+	LoadBalanceRequestType isLoadBalanceRequest_LoadBalanceRequestType `protobuf_oneof:"load_balance_request_type"`
+	unknownFields          protoimpl.UnknownFields
+	sizeCache              protoimpl.SizeCache
+}
+
+func (x *LoadBalanceRequest) Reset() {
+	*x = LoadBalanceRequest{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *LoadBalanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LoadBalanceRequest) ProtoMessage() {}
+
+func (x *LoadBalanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LoadBalanceRequest.ProtoReflect.Descriptor instead.
+func (*LoadBalanceRequest) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *LoadBalanceRequest) GetLoadBalanceRequestType() isLoadBalanceRequest_LoadBalanceRequestType {
+	if x != nil {
+		return x.LoadBalanceRequestType
+	}
+	return nil
+}
+
+func (x *LoadBalanceRequest) GetInitialRequest() *InitialLoadBalanceRequest {
+	if x != nil {
+		if x, ok := x.LoadBalanceRequestType.(*LoadBalanceRequest_InitialRequest); ok {
+			return x.InitialRequest
+		}
+	}
+	return nil
+}
+
+func (x *LoadBalanceRequest) GetClientStats() *ClientStats {
+	if x != nil {
+		if x, ok := x.LoadBalanceRequestType.(*LoadBalanceRequest_ClientStats); ok {
+			return x.ClientStats
+		}
+	}
+	return nil
+}
+
+type isLoadBalanceRequest_LoadBalanceRequestType interface {
+	isLoadBalanceRequest_LoadBalanceRequestType()
+}
+
+type LoadBalanceRequest_InitialRequest struct {
+	// This message should be sent on the first request to the load balancer.
+	InitialRequest *InitialLoadBalanceRequest `protobuf:"bytes,1,opt,name=initial_request,json=initialRequest,proto3,oneof"`
+}
+
+type LoadBalanceRequest_ClientStats struct {
+	// The client stats should be periodically reported to the load balancer
+	// based on the duration defined in the InitialLoadBalanceResponse.
+	ClientStats *ClientStats `protobuf:"bytes,2,opt,name=client_stats,json=clientStats,proto3,oneof"`
+}
+
+func (*LoadBalanceRequest_InitialRequest) isLoadBalanceRequest_LoadBalanceRequestType() {}
+
+func (*LoadBalanceRequest_ClientStats) isLoadBalanceRequest_LoadBalanceRequestType() {}
+
+type InitialLoadBalanceRequest struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// The name of the load balanced service (e.g., service.googleapis.com). Its
+	// length should be less than 256 bytes.
+	// The name might include a port number. How to handle the port number is up
+	// to the balancer.
+	Name          string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *InitialLoadBalanceRequest) Reset() {
+	*x = InitialLoadBalanceRequest{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *InitialLoadBalanceRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InitialLoadBalanceRequest) ProtoMessage() {}
+
+func (x *InitialLoadBalanceRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InitialLoadBalanceRequest.ProtoReflect.Descriptor instead.
+func (*InitialLoadBalanceRequest) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *InitialLoadBalanceRequest) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+// Contains the number of calls finished for a particular load balance token.
+type ClientStatsPerToken struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// See Server.load_balance_token.
+	LoadBalanceToken string `protobuf:"bytes,1,opt,name=load_balance_token,json=loadBalanceToken,proto3" json:"load_balance_token,omitempty"`
+	// The total number of RPCs that finished associated with the token.
+	NumCalls      int64 `protobuf:"varint,2,opt,name=num_calls,json=numCalls,proto3" json:"num_calls,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ClientStatsPerToken) Reset() {
+	*x = ClientStatsPerToken{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ClientStatsPerToken) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientStatsPerToken) ProtoMessage() {}
+
+func (x *ClientStatsPerToken) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientStatsPerToken.ProtoReflect.Descriptor instead.
+func (*ClientStatsPerToken) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ClientStatsPerToken) GetLoadBalanceToken() string {
+	if x != nil {
+		return x.LoadBalanceToken
+	}
+	return ""
+}
+
+func (x *ClientStatsPerToken) GetNumCalls() int64 {
+	if x != nil {
+		return x.NumCalls
+	}
+	return 0
+}
+
+// Contains client level statistics that are useful to load balancing. Each
+// count except the timestamp should be reset to zero after reporting the stats.
+type ClientStats struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// The timestamp of generating the report.
+	Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"`
+	// The total number of RPCs that started.
+	NumCallsStarted int64 `protobuf:"varint,2,opt,name=num_calls_started,json=numCallsStarted,proto3" json:"num_calls_started,omitempty"`
+	// The total number of RPCs that finished.
+	NumCallsFinished int64 `protobuf:"varint,3,opt,name=num_calls_finished,json=numCallsFinished,proto3" json:"num_calls_finished,omitempty"`
+	// The total number of RPCs that failed to reach a server except dropped RPCs.
+	NumCallsFinishedWithClientFailedToSend int64 `protobuf:"varint,6,opt,name=num_calls_finished_with_client_failed_to_send,json=numCallsFinishedWithClientFailedToSend,proto3" json:"num_calls_finished_with_client_failed_to_send,omitempty"`
+	// The total number of RPCs that finished and are known to have been received
+	// by a server.
+	NumCallsFinishedKnownReceived int64 `protobuf:"varint,7,opt,name=num_calls_finished_known_received,json=numCallsFinishedKnownReceived,proto3" json:"num_calls_finished_known_received,omitempty"`
+	// The list of dropped calls.
+	CallsFinishedWithDrop []*ClientStatsPerToken `protobuf:"bytes,8,rep,name=calls_finished_with_drop,json=callsFinishedWithDrop,proto3" json:"calls_finished_with_drop,omitempty"`
+	unknownFields         protoimpl.UnknownFields
+	sizeCache             protoimpl.SizeCache
+}
+
+func (x *ClientStats) Reset() {
+	*x = ClientStats{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ClientStats) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ClientStats) ProtoMessage() {}
+
+func (x *ClientStats) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ClientStats.ProtoReflect.Descriptor instead.
+func (*ClientStats) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ClientStats) GetTimestamp() *timestamppb.Timestamp {
+	if x != nil {
+		return x.Timestamp
+	}
+	return nil
+}
+
+func (x *ClientStats) GetNumCallsStarted() int64 {
+	if x != nil {
+		return x.NumCallsStarted
+	}
+	return 0
+}
+
+func (x *ClientStats) GetNumCallsFinished() int64 {
+	if x != nil {
+		return x.NumCallsFinished
+	}
+	return 0
+}
+
+func (x *ClientStats) GetNumCallsFinishedWithClientFailedToSend() int64 {
+	if x != nil {
+		return x.NumCallsFinishedWithClientFailedToSend
+	}
+	return 0
+}
+
+func (x *ClientStats) GetNumCallsFinishedKnownReceived() int64 {
+	if x != nil {
+		return x.NumCallsFinishedKnownReceived
+	}
+	return 0
+}
+
+func (x *ClientStats) GetCallsFinishedWithDrop() []*ClientStatsPerToken {
+	if x != nil {
+		return x.CallsFinishedWithDrop
+	}
+	return nil
+}
+
+type LoadBalanceResponse struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Types that are valid to be assigned to LoadBalanceResponseType:
+	//
+	//	*LoadBalanceResponse_InitialResponse
+	//	*LoadBalanceResponse_ServerList
+	//	*LoadBalanceResponse_FallbackResponse
+	LoadBalanceResponseType isLoadBalanceResponse_LoadBalanceResponseType `protobuf_oneof:"load_balance_response_type"`
+	unknownFields           protoimpl.UnknownFields
+	sizeCache               protoimpl.SizeCache
+}
+
+func (x *LoadBalanceResponse) Reset() {
+	*x = LoadBalanceResponse{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *LoadBalanceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*LoadBalanceResponse) ProtoMessage() {}
+
+func (x *LoadBalanceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use LoadBalanceResponse.ProtoReflect.Descriptor instead.
+func (*LoadBalanceResponse) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *LoadBalanceResponse) GetLoadBalanceResponseType() isLoadBalanceResponse_LoadBalanceResponseType {
+	if x != nil {
+		return x.LoadBalanceResponseType
+	}
+	return nil
+}
+
+func (x *LoadBalanceResponse) GetInitialResponse() *InitialLoadBalanceResponse {
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_InitialResponse); ok {
+			return x.InitialResponse
+		}
+	}
+	return nil
+}
+
+func (x *LoadBalanceResponse) GetServerList() *ServerList {
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_ServerList); ok {
+			return x.ServerList
+		}
+	}
+	return nil
+}
+
+func (x *LoadBalanceResponse) GetFallbackResponse() *FallbackResponse {
+	if x != nil {
+		if x, ok := x.LoadBalanceResponseType.(*LoadBalanceResponse_FallbackResponse); ok {
+			return x.FallbackResponse
+		}
+	}
+	return nil
+}
+
+type isLoadBalanceResponse_LoadBalanceResponseType interface {
+	isLoadBalanceResponse_LoadBalanceResponseType()
+}
+
+type LoadBalanceResponse_InitialResponse struct {
+	// This message should be sent on the first response to the client.
+	InitialResponse *InitialLoadBalanceResponse `protobuf:"bytes,1,opt,name=initial_response,json=initialResponse,proto3,oneof"`
+}
+
+type LoadBalanceResponse_ServerList struct {
+	// Contains the list of servers selected by the load balancer. The client
+	// should send requests to these servers in the specified order.
+	ServerList *ServerList `protobuf:"bytes,2,opt,name=server_list,json=serverList,proto3,oneof"`
+}
+
+type LoadBalanceResponse_FallbackResponse struct {
+	// If this field is set, then the client should eagerly enter fallback
+	// mode (even if there are existing, healthy connections to backends).
+	FallbackResponse *FallbackResponse `protobuf:"bytes,3,opt,name=fallback_response,json=fallbackResponse,proto3,oneof"`
+}
+
+func (*LoadBalanceResponse_InitialResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
+
+func (*LoadBalanceResponse_ServerList) isLoadBalanceResponse_LoadBalanceResponseType() {}
+
+func (*LoadBalanceResponse_FallbackResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
+
+type FallbackResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *FallbackResponse) Reset() {
+	*x = FallbackResponse{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *FallbackResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FallbackResponse) ProtoMessage() {}
+
+func (x *FallbackResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FallbackResponse.ProtoReflect.Descriptor instead.
+func (*FallbackResponse) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{5}
+}
+
+type InitialLoadBalanceResponse struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// This interval defines how often the client should send the client stats
+	// to the load balancer. Stats should only be reported when the duration is
+	// positive.
+	ClientStatsReportInterval *durationpb.Duration `protobuf:"bytes,2,opt,name=client_stats_report_interval,json=clientStatsReportInterval,proto3" json:"client_stats_report_interval,omitempty"`
+	unknownFields             protoimpl.UnknownFields
+	sizeCache                 protoimpl.SizeCache
+}
+
+func (x *InitialLoadBalanceResponse) Reset() {
+	*x = InitialLoadBalanceResponse{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *InitialLoadBalanceResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*InitialLoadBalanceResponse) ProtoMessage() {}
+
+func (x *InitialLoadBalanceResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use InitialLoadBalanceResponse.ProtoReflect.Descriptor instead.
+func (*InitialLoadBalanceResponse) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *InitialLoadBalanceResponse) GetClientStatsReportInterval() *durationpb.Duration {
+	if x != nil {
+		return x.ClientStatsReportInterval
+	}
+	return nil
+}
+
+type ServerList struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// Contains a list of servers selected by the load balancer. The list will
+	// be updated when server resolutions change or as needed to balance load
+	// across more servers. The client should consume the server list in order
+	// unless instructed otherwise via the client_config.
+	Servers       []*Server `protobuf:"bytes,1,rep,name=servers,proto3" json:"servers,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ServerList) Reset() {
+	*x = ServerList{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[7]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ServerList) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ServerList) ProtoMessage() {}
+
+func (x *ServerList) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[7]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ServerList.ProtoReflect.Descriptor instead.
+func (*ServerList) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *ServerList) GetServers() []*Server {
+	if x != nil {
+		return x.Servers
+	}
+	return nil
+}
+
+// Contains server information. When the drop field is not true, use the other
+// fields.
+type Server struct {
+	state protoimpl.MessageState `protogen:"open.v1"`
+	// A resolved address for the server, serialized in network-byte-order. It may
+	// either be an IPv4 or IPv6 address.
+	IpAddress []byte `protobuf:"bytes,1,opt,name=ip_address,json=ipAddress,proto3" json:"ip_address,omitempty"`
+	// A resolved port number for the server.
+	Port int32 `protobuf:"varint,2,opt,name=port,proto3" json:"port,omitempty"`
+	// An opaque but printable token for load reporting. The client must include
+	// the token of the picked server into the initial metadata when it starts a
+	// call to that server. The token is used by the server to verify the request
+	// and to allow the server to report load to the gRPC LB system. The token is
+	// also used in client stats for reporting dropped calls.
+	//
+	// Its length can be variable but must be less than 50 bytes.
+	LoadBalanceToken string `protobuf:"bytes,3,opt,name=load_balance_token,json=loadBalanceToken,proto3" json:"load_balance_token,omitempty"`
+	// Indicates whether this particular request should be dropped by the client.
+	// If the request is dropped, there will be a corresponding entry in
+	// ClientStats.calls_finished_with_drop.
+	Drop          bool `protobuf:"varint,4,opt,name=drop,proto3" json:"drop,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *Server) Reset() {
+	*x = Server{}
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[8]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *Server) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Server) ProtoMessage() {}
+
+func (x *Server) ProtoReflect() protoreflect.Message {
+	mi := &file_grpc_lb_v1_load_balancer_proto_msgTypes[8]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Server.ProtoReflect.Descriptor instead.
+func (*Server) Descriptor() ([]byte, []int) {
+	return file_grpc_lb_v1_load_balancer_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *Server) GetIpAddress() []byte {
+	if x != nil {
+		return x.IpAddress
+	}
+	return nil
+}
+
+func (x *Server) GetPort() int32 {
+	if x != nil {
+		return x.Port
+	}
+	return 0
+}
+
+func (x *Server) GetLoadBalanceToken() string {
+	if x != nil {
+		return x.LoadBalanceToken
+	}
+	return ""
+}
+
+func (x *Server) GetDrop() bool {
+	if x != nil {
+		return x.Drop
+	}
+	return false
+}
+
+var File_grpc_lb_v1_load_balancer_proto protoreflect.FileDescriptor
+
+const file_grpc_lb_v1_load_balancer_proto_rawDesc = "" +
+	"\n" +
+	"\x1egrpc/lb/v1/load_balancer.proto\x12\n" +
+	"grpc.lb.v1\x1a\x1egoogle/protobuf/duration.proto\x1a\x1fgoogle/protobuf/timestamp.proto\"\xc1\x01\n" +
+	"\x12LoadBalanceRequest\x12P\n" +
+	"\x0finitial_request\x18\x01 \x01(\v2%.grpc.lb.v1.InitialLoadBalanceRequestH\x00R\x0einitialRequest\x12<\n" +
+	"\fclient_stats\x18\x02 \x01(\v2\x17.grpc.lb.v1.ClientStatsH\x00R\vclientStatsB\x1b\n" +
+	"\x19load_balance_request_type\"/\n" +
+	"\x19InitialLoadBalanceRequest\x12\x12\n" +
+	"\x04name\x18\x01 \x01(\tR\x04name\"`\n" +
+	"\x13ClientStatsPerToken\x12,\n" +
+	"\x12load_balance_token\x18\x01 \x01(\tR\x10loadBalanceToken\x12\x1b\n" +
+	"\tnum_calls\x18\x02 \x01(\x03R\bnumCalls\"\xb0\x03\n" +
+	"\vClientStats\x128\n" +
+	"\ttimestamp\x18\x01 \x01(\v2\x1a.google.protobuf.TimestampR\ttimestamp\x12*\n" +
+	"\x11num_calls_started\x18\x02 \x01(\x03R\x0fnumCallsStarted\x12,\n" +
+	"\x12num_calls_finished\x18\x03 \x01(\x03R\x10numCallsFinished\x12]\n" +
+	"-num_calls_finished_with_client_failed_to_send\x18\x06 \x01(\x03R&numCallsFinishedWithClientFailedToSend\x12H\n" +
+	"!num_calls_finished_known_received\x18\a \x01(\x03R\x1dnumCallsFinishedKnownReceived\x12X\n" +
+	"\x18calls_finished_with_drop\x18\b \x03(\v2\x1f.grpc.lb.v1.ClientStatsPerTokenR\x15callsFinishedWithDropJ\x04\b\x04\x10\x05J\x04\b\x05\x10\x06\"\x90\x02\n" +
+	"\x13LoadBalanceResponse\x12S\n" +
+	"\x10initial_response\x18\x01 \x01(\v2&.grpc.lb.v1.InitialLoadBalanceResponseH\x00R\x0finitialResponse\x129\n" +
+	"\vserver_list\x18\x02 \x01(\v2\x16.grpc.lb.v1.ServerListH\x00R\n" +
+	"serverList\x12K\n" +
+	"\x11fallback_response\x18\x03 \x01(\v2\x1c.grpc.lb.v1.FallbackResponseH\x00R\x10fallbackResponseB\x1c\n" +
+	"\x1aload_balance_response_type\"\x12\n" +
+	"\x10FallbackResponse\"~\n" +
+	"\x1aInitialLoadBalanceResponse\x12Z\n" +
+	"\x1cclient_stats_report_interval\x18\x02 \x01(\v2\x19.google.protobuf.DurationR\x19clientStatsReportIntervalJ\x04\b\x01\x10\x02\"@\n" +
+	"\n" +
+	"ServerList\x12,\n" +
+	"\aservers\x18\x01 \x03(\v2\x12.grpc.lb.v1.ServerR\aserversJ\x04\b\x03\x10\x04\"\x83\x01\n" +
+	"\x06Server\x12\x1d\n" +
+	"\n" +
+	"ip_address\x18\x01 \x01(\fR\tipAddress\x12\x12\n" +
+	"\x04port\x18\x02 \x01(\x05R\x04port\x12,\n" +
+	"\x12load_balance_token\x18\x03 \x01(\tR\x10loadBalanceToken\x12\x12\n" +
+	"\x04drop\x18\x04 \x01(\bR\x04dropJ\x04\b\x05\x10\x062b\n" +
+	"\fLoadBalancer\x12R\n" +
+	"\vBalanceLoad\x12\x1e.grpc.lb.v1.LoadBalanceRequest\x1a\x1f.grpc.lb.v1.LoadBalanceResponse(\x010\x01BW\n" +
+	"\rio.grpc.lb.v1B\x11LoadBalancerProtoP\x01Z1google.golang.org/grpc/balancer/grpclb/grpc_lb_v1b\x06proto3"
+
+var (
+	file_grpc_lb_v1_load_balancer_proto_rawDescOnce sync.Once
+	file_grpc_lb_v1_load_balancer_proto_rawDescData []byte
+)
+
+func file_grpc_lb_v1_load_balancer_proto_rawDescGZIP() []byte {
+	file_grpc_lb_v1_load_balancer_proto_rawDescOnce.Do(func() {
+		file_grpc_lb_v1_load_balancer_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_grpc_lb_v1_load_balancer_proto_rawDesc), len(file_grpc_lb_v1_load_balancer_proto_rawDesc)))
+	})
+	return file_grpc_lb_v1_load_balancer_proto_rawDescData
+}
+
+var file_grpc_lb_v1_load_balancer_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_grpc_lb_v1_load_balancer_proto_goTypes = []any{
+	(*LoadBalanceRequest)(nil),         // 0: grpc.lb.v1.LoadBalanceRequest
+	(*InitialLoadBalanceRequest)(nil),  // 1: grpc.lb.v1.InitialLoadBalanceRequest
+	(*ClientStatsPerToken)(nil),        // 2: grpc.lb.v1.ClientStatsPerToken
+	(*ClientStats)(nil),                // 3: grpc.lb.v1.ClientStats
+	(*LoadBalanceResponse)(nil),        // 4: grpc.lb.v1.LoadBalanceResponse
+	(*FallbackResponse)(nil),           // 5: grpc.lb.v1.FallbackResponse
+	(*InitialLoadBalanceResponse)(nil), // 6: grpc.lb.v1.InitialLoadBalanceResponse
+	(*ServerList)(nil),                 // 7: grpc.lb.v1.ServerList
+	(*Server)(nil),                     // 8: grpc.lb.v1.Server
+	(*timestamppb.Timestamp)(nil),      // 9: google.protobuf.Timestamp
+	(*durationpb.Duration)(nil),        // 10: google.protobuf.Duration
+}
+var file_grpc_lb_v1_load_balancer_proto_depIdxs = []int32{
+	1,  // 0: grpc.lb.v1.LoadBalanceRequest.initial_request:type_name -> grpc.lb.v1.InitialLoadBalanceRequest
+	3,  // 1: grpc.lb.v1.LoadBalanceRequest.client_stats:type_name -> grpc.lb.v1.ClientStats
+	9,  // 2: grpc.lb.v1.ClientStats.timestamp:type_name -> google.protobuf.Timestamp
+	2,  // 3: grpc.lb.v1.ClientStats.calls_finished_with_drop:type_name -> grpc.lb.v1.ClientStatsPerToken
+	6,  // 4: grpc.lb.v1.LoadBalanceResponse.initial_response:type_name -> grpc.lb.v1.InitialLoadBalanceResponse
+	7,  // 5: grpc.lb.v1.LoadBalanceResponse.server_list:type_name -> grpc.lb.v1.ServerList
+	5,  // 6: grpc.lb.v1.LoadBalanceResponse.fallback_response:type_name -> grpc.lb.v1.FallbackResponse
+	10, // 7: grpc.lb.v1.InitialLoadBalanceResponse.client_stats_report_interval:type_name -> google.protobuf.Duration
+	8,  // 8: grpc.lb.v1.ServerList.servers:type_name -> grpc.lb.v1.Server
+	0,  // 9: grpc.lb.v1.LoadBalancer.BalanceLoad:input_type -> grpc.lb.v1.LoadBalanceRequest
+	4,  // 10: grpc.lb.v1.LoadBalancer.BalanceLoad:output_type -> grpc.lb.v1.LoadBalanceResponse
+	10, // [10:11] is the sub-list for method output_type
+	9,  // [9:10] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
+}
+
+func init() { file_grpc_lb_v1_load_balancer_proto_init() }
+func file_grpc_lb_v1_load_balancer_proto_init() {
+	if File_grpc_lb_v1_load_balancer_proto != nil {
+		return
+	}
+	file_grpc_lb_v1_load_balancer_proto_msgTypes[0].OneofWrappers = []any{
+		(*LoadBalanceRequest_InitialRequest)(nil),
+		(*LoadBalanceRequest_ClientStats)(nil),
+	}
+	file_grpc_lb_v1_load_balancer_proto_msgTypes[4].OneofWrappers = []any{
+		(*LoadBalanceResponse_InitialResponse)(nil),
+		(*LoadBalanceResponse_ServerList)(nil),
+		(*LoadBalanceResponse_FallbackResponse)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_grpc_lb_v1_load_balancer_proto_rawDesc), len(file_grpc_lb_v1_load_balancer_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   9,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_grpc_lb_v1_load_balancer_proto_goTypes,
+		DependencyIndexes: file_grpc_lb_v1_load_balancer_proto_depIdxs,
+		MessageInfos:      file_grpc_lb_v1_load_balancer_proto_msgTypes,
+	}.Build()
+	File_grpc_lb_v1_load_balancer_proto = out.File
+	file_grpc_lb_v1_load_balancer_proto_goTypes = nil
+	file_grpc_lb_v1_load_balancer_proto_depIdxs = nil
+}
--- a/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
+++ b/balancer/grpclb/grpc_lb_v1/load_balancer_grpc.pb.go
@@ -0,0 +1,134 @@
+// Copyright 2015 The 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.
+
+// This file defines the GRPCLB LoadBalancing protocol.
+//
+// The canonical version of this proto can be found at
+// https://github.com/grpc/grpc-proto/blob/master/grpc/lb/v1/load_balancer.proto
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.2
+// - protoc             v5.27.1
+// source: grpc/lb/v1/load_balancer.proto
+
+package grpc_lb_v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	LoadBalancer_BalanceLoad_FullMethodName = "/grpc.lb.v1.LoadBalancer/BalanceLoad"
+)
+
+// LoadBalancerClient is the client API for LoadBalancer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type LoadBalancerClient interface {
+	// Bidirectional rpc to get a list of servers.
+	BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[LoadBalanceRequest, LoadBalanceResponse], error)
+}
+
+type loadBalancerClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewLoadBalancerClient(cc grpc.ClientConnInterface) LoadBalancerClient {
+	return &loadBalancerClient{cc}
+}
+
+func (c *loadBalancerClient) BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (grpc.BidiStreamingClient[LoadBalanceRequest, LoadBalanceResponse], error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	stream, err := c.cc.NewStream(ctx, &LoadBalancer_ServiceDesc.Streams[0], LoadBalancer_BalanceLoad_FullMethodName, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &grpc.GenericClientStream[LoadBalanceRequest, LoadBalanceResponse]{ClientStream: stream}
+	return x, nil
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type LoadBalancer_BalanceLoadClient = grpc.BidiStreamingClient[LoadBalanceRequest, LoadBalanceResponse]
+
+// LoadBalancerServer is the server API for LoadBalancer service.
+// All implementations should embed UnimplementedLoadBalancerServer
+// for forward compatibility.
+type LoadBalancerServer interface {
+	// Bidirectional rpc to get a list of servers.
+	BalanceLoad(grpc.BidiStreamingServer[LoadBalanceRequest, LoadBalanceResponse]) error
+}
+
+// UnimplementedLoadBalancerServer should be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedLoadBalancerServer struct{}
+
+func (UnimplementedLoadBalancerServer) BalanceLoad(grpc.BidiStreamingServer[LoadBalanceRequest, LoadBalanceResponse]) error {
+	return status.Error(codes.Unimplemented, "method BalanceLoad not implemented")
+}
+func (UnimplementedLoadBalancerServer) testEmbeddedByValue() {}
+
+// UnsafeLoadBalancerServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to LoadBalancerServer will
+// result in compilation errors.
+type UnsafeLoadBalancerServer interface {
+	mustEmbedUnimplementedLoadBalancerServer()
+}
+
+func RegisterLoadBalancerServer(s grpc.ServiceRegistrar, srv LoadBalancerServer) {
+	// If the following call panics, it indicates UnimplementedLoadBalancerServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&LoadBalancer_ServiceDesc, srv)
+}
+
+func _LoadBalancer_BalanceLoad_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(LoadBalancerServer).BalanceLoad(&grpc.GenericServerStream[LoadBalanceRequest, LoadBalanceResponse]{ServerStream: stream})
+}
+
+// This type alias is provided for backwards compatibility with existing code that references the prior non-generic stream type by name.
+type LoadBalancer_BalanceLoadServer = grpc.BidiStreamingServer[LoadBalanceRequest, LoadBalanceResponse]
+
+// LoadBalancer_ServiceDesc is the grpc.ServiceDesc for LoadBalancer service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var LoadBalancer_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "grpc.lb.v1.LoadBalancer",
+	HandlerType: (*LoadBalancerServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "BalanceLoad",
+			Handler:       _LoadBalancer_BalanceLoad_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "grpc/lb/v1/load_balancer.proto",
+}