Normalize gRPC LB

balancer/grpclb/grpc_lb_v1/load_balancer.pb.go

@@ -0,0 +1,832 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: grpc/lb/v1/load_balancer.proto
+
+package grpc_lb_v1 // import "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+import duration "github.com/golang/protobuf/ptypes/duration"
+import timestamp "github.com/golang/protobuf/ptypes/timestamp"
+
+import (
+	context "golang.org/x/net/context"
+	grpc "google.golang.org/grpc"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.ProtoPackageIsVersion2 // please upgrade the proto package
+
+type LoadBalanceRequest struct {
+	// Types that are valid to be assigned to LoadBalanceRequestType:
+	//	*LoadBalanceRequest_InitialRequest
+	//	*LoadBalanceRequest_ClientStats
+	LoadBalanceRequestType isLoadBalanceRequest_LoadBalanceRequestType `protobuf_oneof:"load_balance_request_type"`
+	XXX_NoUnkeyedLiteral   struct{}                                    `json:"-"`
+	XXX_unrecognized       []byte                                      `json:"-"`
+	XXX_sizecache          int32                                       `json:"-"`
+}
+
+func (m *LoadBalanceRequest) Reset()         { *m = LoadBalanceRequest{} }
+func (m *LoadBalanceRequest) String() string { return proto.CompactTextString(m) }
+func (*LoadBalanceRequest) ProtoMessage()    {}
+func (*LoadBalanceRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{0}
+}
+func (m *LoadBalanceRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LoadBalanceRequest.Unmarshal(m, b)
+}
+func (m *LoadBalanceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LoadBalanceRequest.Marshal(b, m, deterministic)
+}
+func (dst *LoadBalanceRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LoadBalanceRequest.Merge(dst, src)
+}
+func (m *LoadBalanceRequest) XXX_Size() int {
+	return xxx_messageInfo_LoadBalanceRequest.Size(m)
+}
+func (m *LoadBalanceRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_LoadBalanceRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LoadBalanceRequest proto.InternalMessageInfo
+
+type isLoadBalanceRequest_LoadBalanceRequestType interface {
+	isLoadBalanceRequest_LoadBalanceRequestType()
+}
+
+type LoadBalanceRequest_InitialRequest struct {
+	InitialRequest *InitialLoadBalanceRequest `protobuf:"bytes,1,opt,name=initial_request,json=initialRequest,proto3,oneof"`
+}
+type LoadBalanceRequest_ClientStats struct {
+	ClientStats *ClientStats `protobuf:"bytes,2,opt,name=client_stats,json=clientStats,proto3,oneof"`
+}
+
+func (*LoadBalanceRequest_InitialRequest) isLoadBalanceRequest_LoadBalanceRequestType() {}
+func (*LoadBalanceRequest_ClientStats) isLoadBalanceRequest_LoadBalanceRequestType()    {}
+
+func (m *LoadBalanceRequest) GetLoadBalanceRequestType() isLoadBalanceRequest_LoadBalanceRequestType {
+	if m != nil {
+		return m.LoadBalanceRequestType
+	}
+	return nil
+}
+
+func (m *LoadBalanceRequest) GetInitialRequest() *InitialLoadBalanceRequest {
+	if x, ok := m.GetLoadBalanceRequestType().(*LoadBalanceRequest_InitialRequest); ok {
+		return x.InitialRequest
+	}
+	return nil
+}
+
+func (m *LoadBalanceRequest) GetClientStats() *ClientStats {
+	if x, ok := m.GetLoadBalanceRequestType().(*LoadBalanceRequest_ClientStats); ok {
+		return x.ClientStats
+	}
+	return nil
+}
+
+// XXX_OneofFuncs is for the internal use of the proto package.
+func (*LoadBalanceRequest) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+	return _LoadBalanceRequest_OneofMarshaler, _LoadBalanceRequest_OneofUnmarshaler, _LoadBalanceRequest_OneofSizer, []interface{}{
+		(*LoadBalanceRequest_InitialRequest)(nil),
+		(*LoadBalanceRequest_ClientStats)(nil),
+	}
+}
+
+func _LoadBalanceRequest_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
+	m := msg.(*LoadBalanceRequest)
+	// load_balance_request_type
+	switch x := m.LoadBalanceRequestType.(type) {
+	case *LoadBalanceRequest_InitialRequest:
+		b.EncodeVarint(1<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.InitialRequest); err != nil {
+			return err
+		}
+	case *LoadBalanceRequest_ClientStats:
+		b.EncodeVarint(2<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.ClientStats); err != nil {
+			return err
+		}
+	case nil:
+	default:
+		return fmt.Errorf("LoadBalanceRequest.LoadBalanceRequestType has unexpected type %T", x)
+	}
+	return nil
+}
+
+func _LoadBalanceRequest_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
+	m := msg.(*LoadBalanceRequest)
+	switch tag {
+	case 1: // load_balance_request_type.initial_request
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(InitialLoadBalanceRequest)
+		err := b.DecodeMessage(msg)
+		m.LoadBalanceRequestType = &LoadBalanceRequest_InitialRequest{msg}
+		return true, err
+	case 2: // load_balance_request_type.client_stats
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(ClientStats)
+		err := b.DecodeMessage(msg)
+		m.LoadBalanceRequestType = &LoadBalanceRequest_ClientStats{msg}
+		return true, err
+	default:
+		return false, nil
+	}
+}
+
+func _LoadBalanceRequest_OneofSizer(msg proto.Message) (n int) {
+	m := msg.(*LoadBalanceRequest)
+	// load_balance_request_type
+	switch x := m.LoadBalanceRequestType.(type) {
+	case *LoadBalanceRequest_InitialRequest:
+		s := proto.Size(x.InitialRequest)
+		n += 1 // tag and wire
+		n += proto.SizeVarint(uint64(s))
+		n += s
+	case *LoadBalanceRequest_ClientStats:
+		s := proto.Size(x.ClientStats)
+		n += 1 // tag and wire
+		n += proto.SizeVarint(uint64(s))
+		n += s
+	case nil:
+	default:
+		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
+	}
+	return n
+}
+
+type InitialLoadBalanceRequest struct {
+	// Name of load balanced service (IE, service.googleapis.com). Its
+	// length should be less than 256 bytes.
+	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *InitialLoadBalanceRequest) Reset()         { *m = InitialLoadBalanceRequest{} }
+func (m *InitialLoadBalanceRequest) String() string { return proto.CompactTextString(m) }
+func (*InitialLoadBalanceRequest) ProtoMessage()    {}
+func (*InitialLoadBalanceRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{1}
+}
+func (m *InitialLoadBalanceRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_InitialLoadBalanceRequest.Unmarshal(m, b)
+}
+func (m *InitialLoadBalanceRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_InitialLoadBalanceRequest.Marshal(b, m, deterministic)
+}
+func (dst *InitialLoadBalanceRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_InitialLoadBalanceRequest.Merge(dst, src)
+}
+func (m *InitialLoadBalanceRequest) XXX_Size() int {
+	return xxx_messageInfo_InitialLoadBalanceRequest.Size(m)
+}
+func (m *InitialLoadBalanceRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_InitialLoadBalanceRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_InitialLoadBalanceRequest proto.InternalMessageInfo
+
+func (m *InitialLoadBalanceRequest) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+// Contains the number of calls finished for a particular load balance token.
+type ClientStatsPerToken struct {
+	// 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"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ClientStatsPerToken) Reset()         { *m = ClientStatsPerToken{} }
+func (m *ClientStatsPerToken) String() string { return proto.CompactTextString(m) }
+func (*ClientStatsPerToken) ProtoMessage()    {}
+func (*ClientStatsPerToken) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{2}
+}
+func (m *ClientStatsPerToken) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ClientStatsPerToken.Unmarshal(m, b)
+}
+func (m *ClientStatsPerToken) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ClientStatsPerToken.Marshal(b, m, deterministic)
+}
+func (dst *ClientStatsPerToken) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ClientStatsPerToken.Merge(dst, src)
+}
+func (m *ClientStatsPerToken) XXX_Size() int {
+	return xxx_messageInfo_ClientStatsPerToken.Size(m)
+}
+func (m *ClientStatsPerToken) XXX_DiscardUnknown() {
+	xxx_messageInfo_ClientStatsPerToken.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ClientStatsPerToken proto.InternalMessageInfo
+
+func (m *ClientStatsPerToken) GetLoadBalanceToken() string {
+	if m != nil {
+		return m.LoadBalanceToken
+	}
+	return ""
+}
+
+func (m *ClientStatsPerToken) GetNumCalls() int64 {
+	if m != nil {
+		return m.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 {
+	// The timestamp of generating the report.
+	Timestamp *timestamp.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"`
+	XXX_NoUnkeyedLiteral  struct{}               `json:"-"`
+	XXX_unrecognized      []byte                 `json:"-"`
+	XXX_sizecache         int32                  `json:"-"`
+}
+
+func (m *ClientStats) Reset()         { *m = ClientStats{} }
+func (m *ClientStats) String() string { return proto.CompactTextString(m) }
+func (*ClientStats) ProtoMessage()    {}
+func (*ClientStats) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{3}
+}
+func (m *ClientStats) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ClientStats.Unmarshal(m, b)
+}
+func (m *ClientStats) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ClientStats.Marshal(b, m, deterministic)
+}
+func (dst *ClientStats) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ClientStats.Merge(dst, src)
+}
+func (m *ClientStats) XXX_Size() int {
+	return xxx_messageInfo_ClientStats.Size(m)
+}
+func (m *ClientStats) XXX_DiscardUnknown() {
+	xxx_messageInfo_ClientStats.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ClientStats proto.InternalMessageInfo
+
+func (m *ClientStats) GetTimestamp() *timestamp.Timestamp {
+	if m != nil {
+		return m.Timestamp
+	}
+	return nil
+}
+
+func (m *ClientStats) GetNumCallsStarted() int64 {
+	if m != nil {
+		return m.NumCallsStarted
+	}
+	return 0
+}
+
+func (m *ClientStats) GetNumCallsFinished() int64 {
+	if m != nil {
+		return m.NumCallsFinished
+	}
+	return 0
+}
+
+func (m *ClientStats) GetNumCallsFinishedWithClientFailedToSend() int64 {
+	if m != nil {
+		return m.NumCallsFinishedWithClientFailedToSend
+	}
+	return 0
+}
+
+func (m *ClientStats) GetNumCallsFinishedKnownReceived() int64 {
+	if m != nil {
+		return m.NumCallsFinishedKnownReceived
+	}
+	return 0
+}
+
+func (m *ClientStats) GetCallsFinishedWithDrop() []*ClientStatsPerToken {
+	if m != nil {
+		return m.CallsFinishedWithDrop
+	}
+	return nil
+}
+
+type LoadBalanceResponse struct {
+	// Types that are valid to be assigned to LoadBalanceResponseType:
+	//	*LoadBalanceResponse_InitialResponse
+	//	*LoadBalanceResponse_ServerList
+	LoadBalanceResponseType isLoadBalanceResponse_LoadBalanceResponseType `protobuf_oneof:"load_balance_response_type"`
+	XXX_NoUnkeyedLiteral    struct{}                                      `json:"-"`
+	XXX_unrecognized        []byte                                        `json:"-"`
+	XXX_sizecache           int32                                         `json:"-"`
+}
+
+func (m *LoadBalanceResponse) Reset()         { *m = LoadBalanceResponse{} }
+func (m *LoadBalanceResponse) String() string { return proto.CompactTextString(m) }
+func (*LoadBalanceResponse) ProtoMessage()    {}
+func (*LoadBalanceResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{4}
+}
+func (m *LoadBalanceResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_LoadBalanceResponse.Unmarshal(m, b)
+}
+func (m *LoadBalanceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_LoadBalanceResponse.Marshal(b, m, deterministic)
+}
+func (dst *LoadBalanceResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_LoadBalanceResponse.Merge(dst, src)
+}
+func (m *LoadBalanceResponse) XXX_Size() int {
+	return xxx_messageInfo_LoadBalanceResponse.Size(m)
+}
+func (m *LoadBalanceResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_LoadBalanceResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_LoadBalanceResponse proto.InternalMessageInfo
+
+type isLoadBalanceResponse_LoadBalanceResponseType interface {
+	isLoadBalanceResponse_LoadBalanceResponseType()
+}
+
+type LoadBalanceResponse_InitialResponse struct {
+	InitialResponse *InitialLoadBalanceResponse `protobuf:"bytes,1,opt,name=initial_response,json=initialResponse,proto3,oneof"`
+}
+type LoadBalanceResponse_ServerList struct {
+	ServerList *ServerList `protobuf:"bytes,2,opt,name=server_list,json=serverList,proto3,oneof"`
+}
+
+func (*LoadBalanceResponse_InitialResponse) isLoadBalanceResponse_LoadBalanceResponseType() {}
+func (*LoadBalanceResponse_ServerList) isLoadBalanceResponse_LoadBalanceResponseType()      {}
+
+func (m *LoadBalanceResponse) GetLoadBalanceResponseType() isLoadBalanceResponse_LoadBalanceResponseType {
+	if m != nil {
+		return m.LoadBalanceResponseType
+	}
+	return nil
+}
+
+func (m *LoadBalanceResponse) GetInitialResponse() *InitialLoadBalanceResponse {
+	if x, ok := m.GetLoadBalanceResponseType().(*LoadBalanceResponse_InitialResponse); ok {
+		return x.InitialResponse
+	}
+	return nil
+}
+
+func (m *LoadBalanceResponse) GetServerList() *ServerList {
+	if x, ok := m.GetLoadBalanceResponseType().(*LoadBalanceResponse_ServerList); ok {
+		return x.ServerList
+	}
+	return nil
+}
+
+// XXX_OneofFuncs is for the internal use of the proto package.
+func (*LoadBalanceResponse) XXX_OneofFuncs() (func(msg proto.Message, b *proto.Buffer) error, func(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error), func(msg proto.Message) (n int), []interface{}) {
+	return _LoadBalanceResponse_OneofMarshaler, _LoadBalanceResponse_OneofUnmarshaler, _LoadBalanceResponse_OneofSizer, []interface{}{
+		(*LoadBalanceResponse_InitialResponse)(nil),
+		(*LoadBalanceResponse_ServerList)(nil),
+	}
+}
+
+func _LoadBalanceResponse_OneofMarshaler(msg proto.Message, b *proto.Buffer) error {
+	m := msg.(*LoadBalanceResponse)
+	// load_balance_response_type
+	switch x := m.LoadBalanceResponseType.(type) {
+	case *LoadBalanceResponse_InitialResponse:
+		b.EncodeVarint(1<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.InitialResponse); err != nil {
+			return err
+		}
+	case *LoadBalanceResponse_ServerList:
+		b.EncodeVarint(2<<3 | proto.WireBytes)
+		if err := b.EncodeMessage(x.ServerList); err != nil {
+			return err
+		}
+	case nil:
+	default:
+		return fmt.Errorf("LoadBalanceResponse.LoadBalanceResponseType has unexpected type %T", x)
+	}
+	return nil
+}
+
+func _LoadBalanceResponse_OneofUnmarshaler(msg proto.Message, tag, wire int, b *proto.Buffer) (bool, error) {
+	m := msg.(*LoadBalanceResponse)
+	switch tag {
+	case 1: // load_balance_response_type.initial_response
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(InitialLoadBalanceResponse)
+		err := b.DecodeMessage(msg)
+		m.LoadBalanceResponseType = &LoadBalanceResponse_InitialResponse{msg}
+		return true, err
+	case 2: // load_balance_response_type.server_list
+		if wire != proto.WireBytes {
+			return true, proto.ErrInternalBadWireType
+		}
+		msg := new(ServerList)
+		err := b.DecodeMessage(msg)
+		m.LoadBalanceResponseType = &LoadBalanceResponse_ServerList{msg}
+		return true, err
+	default:
+		return false, nil
+	}
+}
+
+func _LoadBalanceResponse_OneofSizer(msg proto.Message) (n int) {
+	m := msg.(*LoadBalanceResponse)
+	// load_balance_response_type
+	switch x := m.LoadBalanceResponseType.(type) {
+	case *LoadBalanceResponse_InitialResponse:
+		s := proto.Size(x.InitialResponse)
+		n += 1 // tag and wire
+		n += proto.SizeVarint(uint64(s))
+		n += s
+	case *LoadBalanceResponse_ServerList:
+		s := proto.Size(x.ServerList)
+		n += 1 // tag and wire
+		n += proto.SizeVarint(uint64(s))
+		n += s
+	case nil:
+	default:
+		panic(fmt.Sprintf("proto: unexpected type %T in oneof", x))
+	}
+	return n
+}
+
+type InitialLoadBalanceResponse struct {
+	// This is an application layer redirect that indicates the client should use
+	// the specified server for load balancing. When this field is non-empty in
+	// the response, the client should open a separate connection to the
+	// load_balancer_delegate and call the BalanceLoad method. Its length should
+	// be less than 64 bytes.
+	LoadBalancerDelegate string `protobuf:"bytes,1,opt,name=load_balancer_delegate,json=loadBalancerDelegate,proto3" json:"load_balancer_delegate,omitempty"`
+	// 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 *duration.Duration `protobuf:"bytes,2,opt,name=client_stats_report_interval,json=clientStatsReportInterval,proto3" json:"client_stats_report_interval,omitempty"`
+	XXX_NoUnkeyedLiteral      struct{}           `json:"-"`
+	XXX_unrecognized          []byte             `json:"-"`
+	XXX_sizecache             int32              `json:"-"`
+}
+
+func (m *InitialLoadBalanceResponse) Reset()         { *m = InitialLoadBalanceResponse{} }
+func (m *InitialLoadBalanceResponse) String() string { return proto.CompactTextString(m) }
+func (*InitialLoadBalanceResponse) ProtoMessage()    {}
+func (*InitialLoadBalanceResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{5}
+}
+func (m *InitialLoadBalanceResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_InitialLoadBalanceResponse.Unmarshal(m, b)
+}
+func (m *InitialLoadBalanceResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_InitialLoadBalanceResponse.Marshal(b, m, deterministic)
+}
+func (dst *InitialLoadBalanceResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_InitialLoadBalanceResponse.Merge(dst, src)
+}
+func (m *InitialLoadBalanceResponse) XXX_Size() int {
+	return xxx_messageInfo_InitialLoadBalanceResponse.Size(m)
+}
+func (m *InitialLoadBalanceResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_InitialLoadBalanceResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_InitialLoadBalanceResponse proto.InternalMessageInfo
+
+func (m *InitialLoadBalanceResponse) GetLoadBalancerDelegate() string {
+	if m != nil {
+		return m.LoadBalancerDelegate
+	}
+	return ""
+}
+
+func (m *InitialLoadBalanceResponse) GetClientStatsReportInterval() *duration.Duration {
+	if m != nil {
+		return m.ClientStatsReportInterval
+	}
+	return nil
+}
+
+type ServerList struct {
+	// 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"`
+	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
+	XXX_unrecognized     []byte    `json:"-"`
+	XXX_sizecache        int32     `json:"-"`
+}
+
+func (m *ServerList) Reset()         { *m = ServerList{} }
+func (m *ServerList) String() string { return proto.CompactTextString(m) }
+func (*ServerList) ProtoMessage()    {}
+func (*ServerList) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{6}
+}
+func (m *ServerList) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ServerList.Unmarshal(m, b)
+}
+func (m *ServerList) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ServerList.Marshal(b, m, deterministic)
+}
+func (dst *ServerList) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ServerList.Merge(dst, src)
+}
+func (m *ServerList) XXX_Size() int {
+	return xxx_messageInfo_ServerList.Size(m)
+}
+func (m *ServerList) XXX_DiscardUnknown() {
+	xxx_messageInfo_ServerList.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ServerList proto.InternalMessageInfo
+
+func (m *ServerList) GetServers() []*Server {
+	if m != nil {
+		return m.Servers
+	}
+	return nil
+}
+
+// Contains server information. When the drop field is not true, use the other
+// fields.
+type Server struct {
+	// 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 given to the frontend for each pick. All
+	// frontend requests for that pick must include the token in its initial
+	// metadata. The token is used by the backend to verify the request and to
+	// allow the backend to report load to the gRPC LB system. The token is also
+	// used in client stats for reporting dropped calls.
+	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"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *Server) Reset()         { *m = Server{} }
+func (m *Server) String() string { return proto.CompactTextString(m) }
+func (*Server) ProtoMessage()    {}
+func (*Server) Descriptor() ([]byte, []int) {
+	return fileDescriptor_load_balancer_077502ef49b0d1b1, []int{7}
+}
+func (m *Server) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Server.Unmarshal(m, b)
+}
+func (m *Server) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Server.Marshal(b, m, deterministic)
+}
+func (dst *Server) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Server.Merge(dst, src)
+}
+func (m *Server) XXX_Size() int {
+	return xxx_messageInfo_Server.Size(m)
+}
+func (m *Server) XXX_DiscardUnknown() {
+	xxx_messageInfo_Server.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Server proto.InternalMessageInfo
+
+func (m *Server) GetIpAddress() []byte {
+	if m != nil {
+		return m.IpAddress
+	}
+	return nil
+}
+
+func (m *Server) GetPort() int32 {
+	if m != nil {
+		return m.Port
+	}
+	return 0
+}
+
+func (m *Server) GetLoadBalanceToken() string {
+	if m != nil {
+		return m.LoadBalanceToken
+	}
+	return ""
+}
+
+func (m *Server) GetDrop() bool {
+	if m != nil {
+		return m.Drop
+	}
+	return false
+}
+
+func init() {
+	proto.RegisterType((*LoadBalanceRequest)(nil), "grpc.lb.v1.LoadBalanceRequest")
+	proto.RegisterType((*InitialLoadBalanceRequest)(nil), "grpc.lb.v1.InitialLoadBalanceRequest")
+	proto.RegisterType((*ClientStatsPerToken)(nil), "grpc.lb.v1.ClientStatsPerToken")
+	proto.RegisterType((*ClientStats)(nil), "grpc.lb.v1.ClientStats")
+	proto.RegisterType((*LoadBalanceResponse)(nil), "grpc.lb.v1.LoadBalanceResponse")
+	proto.RegisterType((*InitialLoadBalanceResponse)(nil), "grpc.lb.v1.InitialLoadBalanceResponse")
+	proto.RegisterType((*ServerList)(nil), "grpc.lb.v1.ServerList")
+	proto.RegisterType((*Server)(nil), "grpc.lb.v1.Server")
+}
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ context.Context
+var _ grpc.ClientConn
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+const _ = grpc.SupportPackageIsVersion4
+
+// LoadBalancerClient is the client API for LoadBalancer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
+type LoadBalancerClient interface {
+	// Bidirectional rpc to get a list of servers.
+	BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (LoadBalancer_BalanceLoadClient, error)
+}
+
+type loadBalancerClient struct {
+	cc *grpc.ClientConn
+}
+
+func NewLoadBalancerClient(cc *grpc.ClientConn) LoadBalancerClient {
+	return &loadBalancerClient{cc}
+}
+
+func (c *loadBalancerClient) BalanceLoad(ctx context.Context, opts ...grpc.CallOption) (LoadBalancer_BalanceLoadClient, error) {
+	stream, err := c.cc.NewStream(ctx, &_LoadBalancer_serviceDesc.Streams[0], "/grpc.lb.v1.LoadBalancer/BalanceLoad", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &loadBalancerBalanceLoadClient{stream}
+	return x, nil
+}
+
+type LoadBalancer_BalanceLoadClient interface {
+	Send(*LoadBalanceRequest) error
+	Recv() (*LoadBalanceResponse, error)
+	grpc.ClientStream
+}
+
+type loadBalancerBalanceLoadClient struct {
+	grpc.ClientStream
+}
+
+func (x *loadBalancerBalanceLoadClient) Send(m *LoadBalanceRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *loadBalancerBalanceLoadClient) Recv() (*LoadBalanceResponse, error) {
+	m := new(LoadBalanceResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// LoadBalancerServer is the server API for LoadBalancer service.
+type LoadBalancerServer interface {
+	// Bidirectional rpc to get a list of servers.
+	BalanceLoad(LoadBalancer_BalanceLoadServer) error
+}
+
+func RegisterLoadBalancerServer(s *grpc.Server, srv LoadBalancerServer) {
+	s.RegisterService(&_LoadBalancer_serviceDesc, srv)
+}
+
+func _LoadBalancer_BalanceLoad_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(LoadBalancerServer).BalanceLoad(&loadBalancerBalanceLoadServer{stream})
+}
+
+type LoadBalancer_BalanceLoadServer interface {
+	Send(*LoadBalanceResponse) error
+	Recv() (*LoadBalanceRequest, error)
+	grpc.ServerStream
+}
+
+type loadBalancerBalanceLoadServer struct {
+	grpc.ServerStream
+}
+
+func (x *loadBalancerBalanceLoadServer) Send(m *LoadBalanceResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *loadBalancerBalanceLoadServer) Recv() (*LoadBalanceRequest, error) {
+	m := new(LoadBalanceRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+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",
+}
+
+func init() {
+	proto.RegisterFile("grpc/lb/v1/load_balancer.proto", fileDescriptor_load_balancer_077502ef49b0d1b1)
+}
+
+var fileDescriptor_load_balancer_077502ef49b0d1b1 = []byte{
+	// 756 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x55, 0xdd, 0x6e, 0x23, 0x35,
+	0x14, 0xee, 0x90, 0x69, 0x36, 0x39, 0xa9, 0xb6, 0x59, 0x2f, 0x2c, 0x93, 0xec, 0x6e, 0x5b, 0x22,
+	0xb1, 0x8a, 0xd0, 0x32, 0x43, 0x0a, 0x17, 0x20, 0x71, 0x01, 0xd9, 0x6a, 0x95, 0x2d, 0xbd, 0x88,
+	0x9c, 0x4a, 0x54, 0x95, 0x90, 0x99, 0xc9, 0xb8, 0xa9, 0x55, 0xc7, 0x1e, 0x3c, 0x4e, 0x2a, 0xae,
+	0x79, 0x1f, 0xc4, 0x2b, 0x20, 0x5e, 0x0c, 0x8d, 0xed, 0x49, 0xa6, 0x49, 0xa3, 0xbd, 0x69, 0x3d,
+	0xe7, 0x7c, 0xfe, 0xce, 0xef, 0xe7, 0xc0, 0xd1, 0x4c, 0x65, 0xd3, 0x88, 0x27, 0xd1, 0x72, 0x10,
+	0x71, 0x19, 0xa7, 0x24, 0x89, 0x79, 0x2c, 0xa6, 0x54, 0x85, 0x99, 0x92, 0x5a, 0x22, 0x28, 0xfc,
+	0x21, 0x4f, 0xc2, 0xe5, 0xa0, 0x7b, 0x34, 0x93, 0x72, 0xc6, 0x69, 0x64, 0x3c, 0xc9, 0xe2, 0x26,
+	0x4a, 0x17, 0x2a, 0xd6, 0x4c, 0x0a, 0x8b, 0xed, 0x1e, 0x6f, 0xfa, 0x35, 0x9b, 0xd3, 0x5c, 0xc7,
+	0xf3, 0xcc, 0x02, 0x7a, 0xff, 0x7a, 0x80, 0x2e, 0x64, 0x9c, 0x0e, 0x6d, 0x0c, 0x4c, 0xff, 0x58,
+	0xd0, 0x5c, 0xa3, 0x31, 0x1c, 0x32, 0xc1, 0x34, 0x8b, 0x39, 0x51, 0xd6, 0x14, 0x78, 0x27, 0x5e,
+	0xbf, 0x75, 0xfa, 0x65, 0xb8, 0x8e, 0x1e, 0x7e, 0xb0, 0x90, 0xed, 0xfb, 0xa3, 0x3d, 0xfc, 0xd4,
+	0xdd, 0x2f, 0x19, 0x7f, 0x84, 0x83, 0x29, 0x67, 0x54, 0x68, 0x92, 0xeb, 0x58, 0xe7, 0xc1, 0x27,
+	0x86, 0xee, 0xf3, 0x2a, 0xdd, 0x3b, 0xe3, 0x9f, 0x14, 0xee, 0xd1, 0x1e, 0x6e, 0x4d, 0xd7, 0x9f,
+	0xc3, 0x97, 0xd0, 0xa9, 0xb6, 0xa2, 0x4c, 0x8a, 0xe8, 0x3f, 0x33, 0xda, 0x8b, 0xa0, 0xb3, 0x33,
+	0x13, 0x84, 0xc0, 0x17, 0xf1, 0x9c, 0x9a, 0xf4, 0x9b, 0xd8, 0x9c, 0x7b, 0xbf, 0xc3, 0xf3, 0x4a,
+	0xac, 0x31, 0x55, 0x97, 0xf2, 0x8e, 0x0a, 0xf4, 0x16, 0xd0, 0x83, 0x20, 0xba, 0xb0, 0xba, 0x8b,
+	0x6d, 0xbe, 0xa6, 0xb6, 0xe8, 0x97, 0xd0, 0x14, 0x8b, 0x39, 0x99, 0xc6, 0x9c, 0xdb, 0x6a, 0x6a,
+	0xb8, 0x21, 0x16, 0xf3, 0x77, 0xc5, 0x77, 0xef, 0x9f, 0x1a, 0xb4, 0x2a, 0x21, 0xd0, 0xf7, 0xd0,
+	0x5c, 0x75, 0xde, 0x75, 0xb2, 0x1b, 0xda, 0xd9, 0x84, 0xe5, 0x6c, 0xc2, 0xcb, 0x12, 0x81, 0xd7,
+	0x60, 0xf4, 0x15, 0x3c, 0x5b, 0x85, 0x29, 0x5a, 0xa7, 0x34, 0x4d, 0x5d, 0xb8, 0xc3, 0x32, 0xdc,
+	0xc4, 0x9a, 0x8b, 0x02, 0xd6, 0xd8, 0x1b, 0x26, 0x58, 0x7e, 0x4b, 0xd3, 0xa0, 0x66, 0xc0, 0xed,
+	0x12, 0xfc, 0xde, 0xd9, 0xd1, 0x6f, 0xf0, 0xf5, 0x36, 0x9a, 0xdc, 0x33, 0x7d, 0x4b, 0xdc, 0xa4,
+	0x6e, 0x62, 0xc6, 0x69, 0x4a, 0xb4, 0x24, 0x39, 0x15, 0x69, 0x50, 0x37, 0x44, 0x6f, 0x36, 0x89,
+	0x7e, 0x65, 0xfa, 0xd6, 0xd6, 0xfa, 0xde, 0xe0, 0x2f, 0xe5, 0x84, 0x8a, 0x14, 0x8d, 0xe0, 0x8b,
+	0x47, 0xe8, 0xef, 0x84, 0xbc, 0x17, 0x44, 0xd1, 0x29, 0x65, 0x4b, 0x9a, 0x06, 0x4f, 0x0c, 0xe5,
+	0xeb, 0x4d, 0xca, 0x5f, 0x0a, 0x14, 0x76, 0x20, 0x74, 0x05, 0xc1, 0x63, 0x49, 0xa6, 0x4a, 0x66,
+	0x41, 0xe3, 0xa4, 0xd6, 0x6f, 0x9d, 0x1e, 0xef, 0x58, 0xa3, 0x72, 0xb4, 0xf8, 0xb3, 0xe9, 0x66,
+	0xc6, 0x67, 0x4a, 0x66, 0xe7, 0x7e, 0xc3, 0x6f, 0xef, 0x9f, 0xfb, 0x8d, 0xfd, 0x76, 0xbd, 0xf7,
+	0x9f, 0x07, 0xcf, 0x1f, 0xec, 0x4f, 0x9e, 0x49, 0x91, 0x53, 0x34, 0x81, 0xf6, 0x5a, 0x0a, 0xd6,
+	0xe6, 0x26, 0xf8, 0xe6, 0x63, 0x5a, 0xb0, 0xe8, 0xd1, 0x1e, 0x3e, 0x5c, 0x89, 0xc1, 0x91, 0xfe,
+	0x00, 0xad, 0x9c, 0xaa, 0x25, 0x55, 0x84, 0xb3, 0x5c, 0x3b, 0x31, 0xbc, 0xa8, 0xf2, 0x4d, 0x8c,
+	0xfb, 0x82, 0x19, 0x31, 0x41, 0xbe, 0xfa, 0x1a, 0xbe, 0x82, 0xee, 0x86, 0x14, 0x2c, 0xa7, 0xd5,
+	0xc2, 0xdf, 0x1e, 0x74, 0x77, 0xa7, 0x82, 0xbe, 0x83, 0x17, 0x0f, 0x9e, 0x14, 0x92, 0x52, 0x4e,
+	0x67, 0xb1, 0x2e, 0xf5, 0xf1, 0x69, 0x65, 0xcd, 0xd5, 0x99, 0xf3, 0xa1, 0x6b, 0x78, 0x55, 0xd5,
+	0x2e, 0x51, 0x34, 0x93, 0x4a, 0x13, 0x26, 0x34, 0x55, 0xcb, 0x98, 0xbb, 0xf4, 0x3b, 0x5b, 0x0b,
+	0x7d, 0xe6, 0x1e, 0x23, 0xdc, 0xa9, 0x68, 0x19, 0x9b, 0xcb, 0x1f, 0xdc, 0xdd, 0xde, 0x4f, 0x00,
+	0xeb, 0x52, 0xd1, 0x5b, 0x78, 0x62, 0x4b, 0xcd, 0x03, 0xcf, 0x4c, 0x16, 0x6d, 0xf7, 0x04, 0x97,
+	0x90, 0x73, 0xbf, 0x51, 0x6b, 0xfb, 0xbd, 0xbf, 0x3c, 0xa8, 0x5b, 0x0f, 0x7a, 0x0d, 0xc0, 0x32,
+	0x12, 0xa7, 0xa9, 0xa2, 0x79, 0x6e, 0x4a, 0x3a, 0xc0, 0x4d, 0x96, 0xfd, 0x6c, 0x0d, 0xc5, 0x5b,
+	0x50, 0xc4, 0x36, 0xf9, 0xee, 0x63, 0x73, 0xde, 0x21, 0xfa, 0xda, 0x0e, 0xd1, 0x23, 0xf0, 0xcd,
+	0xda, 0xf9, 0x27, 0x5e, 0xbf, 0x81, 0xcd, 0xd9, 0xae, 0xcf, 0x69, 0x02, 0x07, 0x95, 0x86, 0x2b,
+	0x84, 0xa1, 0xe5, 0xce, 0x85, 0x19, 0x1d, 0x55, 0xeb, 0xd8, 0x7e, 0xa6, 0xba, 0xc7, 0x3b, 0xfd,
+	0x76, 0x72, 0x7d, 0xef, 0x1b, 0x6f, 0x78, 0x05, 0x4f, 0x99, 0xb4, 0xc0, 0xe2, 0x0f, 0x4f, 0x86,
+	0xcf, 0xaa, 0x31, 0xc7, 0x45, 0xdf, 0xc7, 0xde, 0xf5, 0xc0, 0xcd, 0x61, 0x26, 0x79, 0x2c, 0x66,
+	0xa1, 0x54, 0xb3, 0xc8, 0xfc, 0xa4, 0x94, 0x43, 0x8f, 0xec, 0x65, 0xf3, 0x8f, 0xf0, 0x84, 0x2c,
+	0x07, 0x49, 0xdd, 0xcc, 0xec, 0xdb, 0xff, 0x03, 0x00, 0x00, 0xff, 0xff, 0x5f, 0xc0, 0x96, 0xfd,
+	0x7c, 0x06, 0x00, 0x00,
+}

balancer/grpclb/grpclb.go

@@ -16,6 +16,8 @@
  *
  */
 
+//go:generate ./regenerate.sh
+
 // Package grpclb defines a grpclb balancer.
 //
 // To install grpclb balancer, import this package as:
@@ -32,8 +34,8 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/balancer"
+	lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
 	"google.golang.org/grpc/connectivity"
-	lbpb "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/resolver"
 )

balancer/grpclb/grpclb_picker.go

@@ -24,8 +24,8 @@ import (
 
 	"golang.org/x/net/context"
 	"google.golang.org/grpc/balancer"
+	lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
 	"google.golang.org/grpc/codes"
-	lbpb "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
 	"google.golang.org/grpc/status"
 )
 

balancer/grpclb/grpclb_remote_balancer.go

@@ -28,9 +28,9 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/balancer"
+	lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
 	"google.golang.org/grpc/channelz"
 	"google.golang.org/grpc/connectivity"
-	lbpb "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
 	"google.golang.org/grpc/grpclog"
 	"google.golang.org/grpc/internal"
 	"google.golang.org/grpc/metadata"

balancer/grpclb/grpclb_test.go

@@ -33,10 +33,10 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/balancer"
+	lbgrpc "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
+	lbpb "google.golang.org/grpc/balancer/grpclb/grpc_lb_v1"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
-	lbmpb "google.golang.org/grpc/grpclb/grpc_lb_v1/messages"
-	lbspb "google.golang.org/grpc/grpclb/grpc_lb_v1/service"
 	_ "google.golang.org/grpc/grpclog/glogger"
 	"google.golang.org/grpc/internal/leakcheck"
 	"google.golang.org/grpc/metadata"
@@ -121,7 +121,7 @@ func fakeNameDialer(addr string, timeout time.Duration) (net.Conn, error) {
 	return net.DialTimeout("tcp", addr, timeout)
 }
 
-// rpcStatsForTest is same as lbmpb.ClientStats, except that numCallsDropped is a map
+// rpcStatsForTest is same as lbpb.ClientStats, except that numCallsDropped is a map
 // instead of a slice of pointers.
 //
 // TODO: this struct was already defined in grpclb_picker.go. Try to merge these
@@ -142,7 +142,7 @@ func newRPCStatsForTest() *rpcStatsForTest {
 	}
 }
 
-func (stats *rpcStatsForTest) merge(new *lbmpb.ClientStats) {
+func (stats *rpcStatsForTest) merge(new *lbpb.ClientStats) {
 	stats.numCallsStarted += new.NumCallsStarted
 	stats.numCallsFinished += new.NumCallsFinished
 	stats.numCallsFinishedWithClientFailedToSend += new.NumCallsFinishedWithClientFailedToSend
@@ -184,7 +184,7 @@ func (stats *rpcStatsForTest) equal(new *rpcStatsForTest) bool {
 }
 
 type remoteBalancer struct {
-	sls       chan *lbmpb.ServerList
+	sls       chan *lbpb.ServerList
 	statsDura time.Duration
 	done      chan struct{}
 	mu        sync.Mutex
@@ -193,7 +193,7 @@ type remoteBalancer struct {
 
 func newRemoteBalancer(intervals []time.Duration) *remoteBalancer {
 	return &remoteBalancer{
-		sls:   make(chan *lbmpb.ServerList, 1),
+		sls:   make(chan *lbpb.ServerList, 1),
 		done:  make(chan struct{}),
 		stats: newRPCStatsForTest(),
 	}
@@ -204,7 +204,7 @@ func (b *remoteBalancer) stop() {
 	close(b.done)
 }
 
-func (b *remoteBalancer) BalanceLoad(stream lbspb.LoadBalancer_BalanceLoadServer) error {
+func (b *remoteBalancer) BalanceLoad(stream lbgrpc.LoadBalancer_BalanceLoadServer) error {
 	req, err := stream.Recv()
 	if err != nil {
 		return err
@@ -213,9 +213,9 @@ func (b *remoteBalancer) BalanceLoad(stream lbspb.LoadBalancer_BalanceLoadServer
 	if initReq.Name != beServerName {
 		return status.Errorf(codes.InvalidArgument, "invalid service name: %v", initReq.Name)
 	}
-	resp := &lbmpb.LoadBalanceResponse{
-		LoadBalanceResponseType: &lbmpb.LoadBalanceResponse_InitialResponse{
-			InitialResponse: &lbmpb.InitialLoadBalanceResponse{
+	resp := &lbpb.LoadBalanceResponse{
+		LoadBalanceResponseType: &lbpb.LoadBalanceResponse_InitialResponse{
+			InitialResponse: &lbpb.InitialLoadBalanceResponse{
 				ClientStatsReportInterval: &durationpb.Duration{
 					Seconds: int64(b.statsDura.Seconds()),
 					Nanos:   int32(b.statsDura.Nanoseconds() - int64(b.statsDura.Seconds())*1e9),
@@ -229,7 +229,7 @@ func (b *remoteBalancer) BalanceLoad(stream lbspb.LoadBalancer_BalanceLoadServer
 	go func() {
 		for {
 			var (
-				req *lbmpb.LoadBalanceRequest
+				req *lbpb.LoadBalanceRequest
 				err error
 			)
 			if req, err = stream.Recv(); err != nil {
@@ -241,8 +241,8 @@ func (b *remoteBalancer) BalanceLoad(stream lbspb.LoadBalancer_BalanceLoadServer
 		}
 	}()
 	for v := range b.sls {
-		resp = &lbmpb.LoadBalanceResponse{
-			LoadBalanceResponseType: &lbmpb.LoadBalanceResponse_ServerList{
+		resp = &lbpb.LoadBalanceResponse{
+			LoadBalanceResponseType: &lbpb.LoadBalanceResponse_ServerList{
 				ServerList: v,
 			},
 		}
@@ -341,7 +341,7 @@ func newLoadBalancer(numberOfBackends int) (tss *testServers, cleanup func(), er
 	}
 	lb = grpc.NewServer(grpc.Creds(lbCreds))
 	ls = newRemoteBalancer(nil)
-	lbspb.RegisterLoadBalancerServer(lb, ls)
+	lbgrpc.RegisterLoadBalancerServer(lb, ls)
 	go func() {
 		lb.Serve(lbLis)
 	}()
@@ -375,14 +375,14 @@ func TestGRPCLB(t *testing.T) {
 	}
 	defer cleanup()
 
-	be := &lbmpb.Server{
+	be := &lbpb.Server{
 		IpAddress:        tss.beIPs[0],
 		Port:             int32(tss.bePorts[0]),
 		LoadBalanceToken: lbToken,
 	}
-	var bes []*lbmpb.Server
+	var bes []*lbpb.Server
 	bes = append(bes, be)
-	sl := &lbmpb.ServerList{
+	sl := &lbpb.ServerList{
 		Servers: bes,
 	}
 	tss.ls.sls <- sl
@@ -423,7 +423,7 @@ func TestGRPCLBWeighted(t *testing.T) {
 	}
 	defer cleanup()
 
-	beServers := []*lbmpb.Server{{
+	beServers := []*lbpb.Server{{
 		IpAddress:        tss.beIPs[0],
 		Port:             int32(tss.bePorts[0]),
 		LoadBalanceToken: lbToken,
@@ -459,14 +459,14 @@ func TestGRPCLBWeighted(t *testing.T) {
 	sequences := []string{"00101", "00011"}
 	for _, seq := range sequences {
 		var (
-			bes    []*lbmpb.Server
+			bes    []*lbpb.Server
 			p      peer.Peer
 			result string
 		)
 		for _, s := range seq {
 			bes = append(bes, beServers[s-'0'])
 		}
-		tss.ls.sls <- &lbmpb.ServerList{Servers: bes}
+		tss.ls.sls <- &lbpb.ServerList{Servers: bes}
 
 		for i := 0; i < 1000; i++ {
 			if _, err := testC.EmptyCall(context.Background(), &testpb.Empty{}, grpc.FailFast(false), grpc.Peer(&p)); err != nil {
@@ -492,8 +492,8 @@ func TestDropRequest(t *testing.T) {
 		t.Fatalf("failed to create new load balancer: %v", err)
 	}
 	defer cleanup()
-	tss.ls.sls <- &lbmpb.ServerList{
-		Servers: []*lbmpb.Server{{
+	tss.ls.sls <- &lbpb.ServerList{
+		Servers: []*lbpb.Server{{
 			IpAddress:        tss.beIPs[0],
 			Port:             int32(tss.bePorts[0]),
 			LoadBalanceToken: lbToken,
@@ -573,14 +573,14 @@ func TestBalancerDisconnects(t *testing.T) {
 		}
 		defer cleanup()
 
-		be := &lbmpb.Server{
+		be := &lbpb.Server{
 			IpAddress:        tss.beIPs[0],
 			Port:             int32(tss.bePorts[0]),
 			LoadBalanceToken: lbToken,
 		}
-		var bes []*lbmpb.Server
+		var bes []*lbpb.Server
 		bes = append(bes, be)
-		sl := &lbmpb.ServerList{
+		sl := &lbpb.ServerList{
 			Servers: bes,
 		}
 		tss.ls.sls <- sl
@@ -674,14 +674,14 @@ func TestFallback(t *testing.T) {
 	standaloneBEs := startBackends(beServerName, true, beLis)
 	defer stopBackends(standaloneBEs)
 
-	be := &lbmpb.Server{
+	be := &lbpb.Server{
 		IpAddress:        tss.beIPs[0],
 		Port:             int32(tss.bePorts[0]),
 		LoadBalanceToken: lbToken,
 	}
-	var bes []*lbmpb.Server
+	var bes []*lbpb.Server
 	bes = append(bes, be)
-	sl := &lbmpb.ServerList{
+	sl := &lbpb.ServerList{
 		Servers: bes,
 	}
 	tss.ls.sls <- sl
@@ -770,8 +770,8 @@ func runAndGetStats(t *testing.T, drop bool, runRPCs func(*grpc.ClientConn)) *rp
 		t.Fatalf("failed to create new load balancer: %v", err)
 	}
 	defer cleanup()
-	tss.ls.sls <- &lbmpb.ServerList{
-		Servers: []*lbmpb.Server{{
+	tss.ls.sls <- &lbpb.ServerList{
+		Servers: []*lbpb.Server{{
 			IpAddress:        tss.beIPs[0],
 			Port:             int32(tss.bePorts[0]),
 			LoadBalanceToken: lbToken,

balancer/grpclb/regenerate.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# Copyright 2018 gRPC authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -eux -o pipefail
+
+TMP=$(mktemp -d)
+
+function finish {
+  rm -rf "$TMP"
+}
+trap finish EXIT
+
+pushd "$TMP"
+mkdir -p grpc/lb/v1
+curl https://raw.githubusercontent.com/grpc/grpc-proto/master/grpc/lb/v1/load_balancer.proto > grpc/lb/v1/load_balancer.proto
+
+protoc --go_out=plugins=grpc,paths=source_relative:. -I. grpc/lb/v1/*.proto
+popd
+rm -f grpc_lb_v1/*.pb.go
+cp "$TMP"/grpc/lb/v1/*.pb.go grpc_lb_v1/
+