Merge branch 'master' into dependabot/go_modules/google.golang.org/grpc-1.41.0

micro/broker_micro.pb.go

@@ -12,21 +12,23 @@ import (
 )
 
 var (
-	BrokerName = "Broker"
+	BrokerServiceName = "BrokerService"
 
-	BrokerEndpoints = []api.Endpoint{}
+	BrokerServiceEndpoints = []api.Endpoint{}
 )
 
-func NewBrokerEndpoints() []api.Endpoint {
+func NewBrokerServiceEndpoints() []api.Endpoint {
-	return BrokerEndpoints
+	return BrokerServiceEndpoints
 }
 
-type BrokerClient interface {
+type BrokerServiceClient interface {
-	Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.Empty, error)
+	Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.PublishResponse, error)
-	Subscribe(ctx context.Context, req *proto.SubscribeRequest, opts ...client.CallOption) (Broker_SubscribeClient, error)
+	BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, opts ...client.CallOption) (*proto.BatchPublishResponse, error)
+	Subscribe(ctx context.Context, req *proto.SubscribeRequest, opts ...client.CallOption) (BrokerService_SubscribeClient, error)
+	BatchSubscribe(ctx context.Context, req *proto.BatchSubscribeRequest, opts ...client.CallOption) (BrokerService_BatchSubscribeClient, error)
 }
 
-type Broker_SubscribeClient interface {
+type BrokerService_SubscribeClient interface {
 	Context() context.Context
 	SendMsg(msg interface{}) error
 	RecvMsg(msg interface{}) error
@@ -34,12 +36,30 @@ type Broker_SubscribeClient interface {
 	Recv() (*proto.Message, error)
 }
 
-type BrokerServer interface {
+type BrokerService_BatchSubscribeClient interface {
-	Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error
+	Context() context.Context
-	Subscribe(ctx context.Context, req *proto.SubscribeRequest, stream Broker_SubscribeStream) error
+	SendMsg(msg interface{}) error
+	RecvMsg(msg interface{}) error
+	Close() error
+	Recv() (*proto.Message, error)
 }
 
-type Broker_SubscribeStream interface {
+type BrokerServiceServer interface {
+	Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.PublishResponse) error
+	BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, rsp *proto.BatchPublishResponse) error
+	Subscribe(ctx context.Context, req *proto.SubscribeRequest, stream BrokerService_SubscribeStream) error
+	BatchSubscribe(ctx context.Context, req *proto.BatchSubscribeRequest, stream BrokerService_BatchSubscribeStream) error
+}
+
+type BrokerService_SubscribeStream interface {
+	Context() context.Context
+	SendMsg(msg interface{}) error
+	RecvMsg(msg interface{}) error
+	Close() error
+	Send(msg *proto.Message) error
+}
+
+type BrokerService_BatchSubscribeStream interface {
 	Context() context.Context
 	SendMsg(msg interface{}) error
 	RecvMsg(msg interface{}) error

micro/broker_micro_rpc.pb.go

@@ -12,56 +12,65 @@ import (
 	server "go.unistack.org/micro/v3/server"
 )
 
-type brokerClient struct {
+type brokerServiceClient struct {
 	c    client.Client
 	name string
 }
 
-func NewBrokerClient(name string, c client.Client) BrokerClient {
+func NewBrokerServiceClient(name string, c client.Client) BrokerServiceClient {
-	return &brokerClient{c: c, name: name}
+	return &brokerServiceClient{c: c, name: name}
 }
 
-func (c *brokerClient) Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.Empty, error) {
+func (c *brokerServiceClient) Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.PublishResponse, error) {
-	rsp := &proto.Empty{}
+	rsp := &proto.PublishResponse{}
-	err := c.c.Call(ctx, c.c.NewRequest(c.name, "Broker.Publish", req), rsp, opts...)
+	err := c.c.Call(ctx, c.c.NewRequest(c.name, "BrokerService.Publish", req), rsp, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return rsp, nil
 }
 
-func (c *brokerClient) Subscribe(ctx context.Context, req *proto.SubscribeRequest, opts ...client.CallOption) (Broker_SubscribeClient, error) {
+func (c *brokerServiceClient) BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, opts ...client.CallOption) (*proto.BatchPublishResponse, error) {
-	stream, err := c.c.Stream(ctx, c.c.NewRequest(c.name, "Broker.Subscribe", &proto.SubscribeRequest{}), opts...)
+	rsp := &proto.BatchPublishResponse{}
+	err := c.c.Call(ctx, c.c.NewRequest(c.name, "BrokerService.BatchPublish", req), rsp, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return rsp, nil
+}
+
+func (c *brokerServiceClient) Subscribe(ctx context.Context, req *proto.SubscribeRequest, opts ...client.CallOption) (BrokerService_SubscribeClient, error) {
+	stream, err := c.c.Stream(ctx, c.c.NewRequest(c.name, "BrokerService.Subscribe", &proto.SubscribeRequest{}), opts...)
 	if err != nil {
 		return nil, err
 	}
 	if err := stream.Send(req); err != nil {
 		return nil, err
 	}
-	return &brokerClientSubscribe{stream}, nil
+	return &brokerServiceClientSubscribe{stream}, nil
 }
 
-type brokerClientSubscribe struct {
+type brokerServiceClientSubscribe struct {
 	stream client.Stream
 }
 
-func (s *brokerClientSubscribe) Close() error {
+func (s *brokerServiceClientSubscribe) Close() error {
 	return s.stream.Close()
 }
 
-func (s *brokerClientSubscribe) Context() context.Context {
+func (s *brokerServiceClientSubscribe) Context() context.Context {
 	return s.stream.Context()
 }
 
-func (s *brokerClientSubscribe) SendMsg(msg interface{}) error {
+func (s *brokerServiceClientSubscribe) SendMsg(msg interface{}) error {
 	return s.stream.Send(msg)
 }
 
-func (s *brokerClientSubscribe) RecvMsg(msg interface{}) error {
+func (s *brokerServiceClientSubscribe) RecvMsg(msg interface{}) error {
 	return s.stream.Recv(msg)
 }
 
-func (s *brokerClientSubscribe) Recv() (*proto.Message, error) {
+func (s *brokerServiceClientSubscribe) Recv() (*proto.Message, error) {
 	msg := &proto.Message{}
 	if err := s.stream.Recv(msg); err != nil {
 		return nil, err
@@ -69,58 +78,135 @@ func (s *brokerClientSubscribe) Recv() (*proto.Message, error) {
 	return msg, nil
 }
 
-type brokerServer struct {
+func (c *brokerServiceClient) BatchSubscribe(ctx context.Context, req *proto.BatchSubscribeRequest, opts ...client.CallOption) (BrokerService_BatchSubscribeClient, error) {
-	BrokerServer
+	stream, err := c.c.Stream(ctx, c.c.NewRequest(c.name, "BrokerService.BatchSubscribe", &proto.BatchSubscribeRequest{}), opts...)
+	if err != nil {
+		return nil, err
+	}
+	if err := stream.Send(req); err != nil {
+		return nil, err
+	}
+	return &brokerServiceClientBatchSubscribe{stream}, nil
 }
 
-func (h *brokerServer) Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error {
+type brokerServiceClientBatchSubscribe struct {
-	return h.BrokerServer.Publish(ctx, req, rsp)
+	stream client.Stream
 }
 
-func (h *brokerServer) Subscribe(ctx context.Context, stream server.Stream) error {
+func (s *brokerServiceClientBatchSubscribe) Close() error {
+	return s.stream.Close()
+}
+
+func (s *brokerServiceClientBatchSubscribe) Context() context.Context {
+	return s.stream.Context()
+}
+
+func (s *brokerServiceClientBatchSubscribe) SendMsg(msg interface{}) error {
+	return s.stream.Send(msg)
+}
+
+func (s *brokerServiceClientBatchSubscribe) RecvMsg(msg interface{}) error {
+	return s.stream.Recv(msg)
+}
+
+func (s *brokerServiceClientBatchSubscribe) Recv() (*proto.Message, error) {
+	msg := &proto.Message{}
+	if err := s.stream.Recv(msg); err != nil {
+		return nil, err
+	}
+	return msg, nil
+}
+
+type brokerServiceServer struct {
+	BrokerServiceServer
+}
+
+func (h *brokerServiceServer) Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.PublishResponse) error {
+	return h.BrokerServiceServer.Publish(ctx, req, rsp)
+}
+
+func (h *brokerServiceServer) BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, rsp *proto.BatchPublishResponse) error {
+	return h.BrokerServiceServer.BatchPublish(ctx, req, rsp)
+}
+
+func (h *brokerServiceServer) Subscribe(ctx context.Context, stream server.Stream) error {
 	msg := &proto.SubscribeRequest{}
 	if err := stream.Recv(msg); err != nil {
 		return err
 	}
-	return h.BrokerServer.Subscribe(ctx, msg, &brokerSubscribeStream{stream})
+	return h.BrokerServiceServer.Subscribe(ctx, msg, &brokerServiceSubscribeStream{stream})
 }
 
-type brokerSubscribeStream struct {
+type brokerServiceSubscribeStream struct {
 	stream server.Stream
 }
 
-func (s *brokerSubscribeStream) Close() error {
+func (s *brokerServiceSubscribeStream) Close() error {
 	return s.stream.Close()
 }
 
-func (s *brokerSubscribeStream) Context() context.Context {
+func (s *brokerServiceSubscribeStream) Context() context.Context {
 	return s.stream.Context()
 }
 
-func (s *brokerSubscribeStream) SendMsg(msg interface{}) error {
+func (s *brokerServiceSubscribeStream) SendMsg(msg interface{}) error {
 	return s.stream.Send(msg)
 }
 
-func (s *brokerSubscribeStream) RecvMsg(msg interface{}) error {
+func (s *brokerServiceSubscribeStream) RecvMsg(msg interface{}) error {
 	return s.stream.Recv(msg)
 }
 
-func (s *brokerSubscribeStream) Send(msg *proto.Message) error {
+func (s *brokerServiceSubscribeStream) Send(msg *proto.Message) error {
 	return s.stream.Send(msg)
 }
 
-func RegisterBrokerServer(s server.Server, sh BrokerServer, opts ...server.HandlerOption) error {
+func (h *brokerServiceServer) BatchSubscribe(ctx context.Context, stream server.Stream) error {
-	type broker interface {
+	msg := &proto.BatchSubscribeRequest{}
-		Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error
+	if err := stream.Recv(msg); err != nil {
+		return err
+	}
+	return h.BrokerServiceServer.BatchSubscribe(ctx, msg, &brokerServiceBatchSubscribeStream{stream})
+}
+
+type brokerServiceBatchSubscribeStream struct {
+	stream server.Stream
+}
+
+func (s *brokerServiceBatchSubscribeStream) Close() error {
+	return s.stream.Close()
+}
+
+func (s *brokerServiceBatchSubscribeStream) Context() context.Context {
+	return s.stream.Context()
+}
+
+func (s *brokerServiceBatchSubscribeStream) SendMsg(msg interface{}) error {
+	return s.stream.Send(msg)
+}
+
+func (s *brokerServiceBatchSubscribeStream) RecvMsg(msg interface{}) error {
+	return s.stream.Recv(msg)
+}
+
+func (s *brokerServiceBatchSubscribeStream) Send(msg *proto.Message) error {
+	return s.stream.Send(msg)
+}
+
+func RegisterBrokerServiceServer(s server.Server, sh BrokerServiceServer, opts ...server.HandlerOption) error {
+	type brokerService interface {
+		Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.PublishResponse) error
+		BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, rsp *proto.BatchPublishResponse) error
 		Subscribe(ctx context.Context, stream server.Stream) error
+		BatchSubscribe(ctx context.Context, stream server.Stream) error
 	}
-	type Broker struct {
+	type BrokerService struct {
-		broker
+		brokerService
 	}
-	h := &brokerServer{sh}
+	h := &brokerServiceServer{sh}
 	var nopts []server.HandlerOption
-	for _, endpoint := range BrokerEndpoints {
+	for _, endpoint := range BrokerServiceEndpoints {
 		nopts = append(nopts, api.WithEndpoint(&endpoint))
 	}
-	return s.Handle(s.NewHandler(&Broker{h}, append(nopts, opts...)...))
+	return s.Handle(s.NewHandler(&BrokerService{h}, append(nopts, opts...)...))
 }

proto/broker.pb.go

@@ -20,44 +20,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
-type Empty struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-}
-
-func (x *Empty) Reset() {
-	*x = Empty{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_broker_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Empty) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*Empty) ProtoMessage() {}
-
-func (x *Empty) ProtoReflect() protoreflect.Message {
-	mi := &file_broker_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use Empty.ProtoReflect.Descriptor instead.
-func (*Empty) Descriptor() ([]byte, []int) {
-	return file_broker_proto_rawDescGZIP(), []int{0}
-}
-
 type PublishRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -70,7 +32,7 @@ type PublishRequest struct {
 func (x *PublishRequest) Reset() {
 	*x = PublishRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_broker_proto_msgTypes[1]
+		mi := &file_broker_proto_msgTypes[0]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -83,7 +45,7 @@ func (x *PublishRequest) String() string {
 func (*PublishRequest) ProtoMessage() {}
 
 func (x *PublishRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_broker_proto_msgTypes[1]
+	mi := &file_broker_proto_msgTypes[0]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -96,7 +58,7 @@ func (x *PublishRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use PublishRequest.ProtoReflect.Descriptor instead.
 func (*PublishRequest) Descriptor() ([]byte, []int) {
-	return file_broker_proto_rawDescGZIP(), []int{1}
+	return file_broker_proto_rawDescGZIP(), []int{0}
 }
 
 func (x *PublishRequest) GetTopic() string {
@@ -113,6 +75,137 @@ func (x *PublishRequest) GetMessage() *Message {
 	return nil
 }
 
+type BatchPublishRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Topic   string     `protobuf:"bytes,1,opt,name=topic,proto3" json:"topic,omitempty"`
+	Message []*Message `protobuf:"bytes,2,rep,name=message,proto3" json:"message,omitempty"`
+}
+
+func (x *BatchPublishRequest) Reset() {
+	*x = BatchPublishRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_broker_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BatchPublishRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BatchPublishRequest) ProtoMessage() {}
+
+func (x *BatchPublishRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_broker_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BatchPublishRequest.ProtoReflect.Descriptor instead.
+func (*BatchPublishRequest) Descriptor() ([]byte, []int) {
+	return file_broker_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *BatchPublishRequest) GetTopic() string {
+	if x != nil {
+		return x.Topic
+	}
+	return ""
+}
+
+func (x *BatchPublishRequest) GetMessage() []*Message {
+	if x != nil {
+		return x.Message
+	}
+	return nil
+}
+
+type PublishResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *PublishResponse) Reset() {
+	*x = PublishResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_broker_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *PublishResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PublishResponse) ProtoMessage() {}
+
+func (x *PublishResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_broker_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PublishResponse.ProtoReflect.Descriptor instead.
+func (*PublishResponse) Descriptor() ([]byte, []int) {
+	return file_broker_proto_rawDescGZIP(), []int{2}
+}
+
+type BatchPublishResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *BatchPublishResponse) Reset() {
+	*x = BatchPublishResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_broker_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BatchPublishResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BatchPublishResponse) ProtoMessage() {}
+
+func (x *BatchPublishResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_broker_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BatchPublishResponse.ProtoReflect.Descriptor instead.
+func (*BatchPublishResponse) Descriptor() ([]byte, []int) {
+	return file_broker_proto_rawDescGZIP(), []int{3}
+}
+
 type SubscribeRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -125,7 +218,7 @@ type SubscribeRequest struct {
 func (x *SubscribeRequest) Reset() {
 	*x = SubscribeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_broker_proto_msgTypes[2]
+		mi := &file_broker_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -138,7 +231,7 @@ func (x *SubscribeRequest) String() string {
 func (*SubscribeRequest) ProtoMessage() {}
 
 func (x *SubscribeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_broker_proto_msgTypes[2]
+	mi := &file_broker_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -151,7 +244,7 @@ func (x *SubscribeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SubscribeRequest.ProtoReflect.Descriptor instead.
 func (*SubscribeRequest) Descriptor() ([]byte, []int) {
-	return file_broker_proto_rawDescGZIP(), []int{2}
+	return file_broker_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *SubscribeRequest) GetTopic() string {
@@ -168,6 +261,61 @@ func (x *SubscribeRequest) GetGroup() string {
 	return ""
 }
 
+type BatchSubscribeRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Topic string `protobuf:"bytes,1,opt,name=topic,proto3" json:"topic,omitempty"`
+	Group string `protobuf:"bytes,2,opt,name=group,proto3" json:"group,omitempty"`
+}
+
+func (x *BatchSubscribeRequest) Reset() {
+	*x = BatchSubscribeRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_broker_proto_msgTypes[5]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *BatchSubscribeRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*BatchSubscribeRequest) ProtoMessage() {}
+
+func (x *BatchSubscribeRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_broker_proto_msgTypes[5]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use BatchSubscribeRequest.ProtoReflect.Descriptor instead.
+func (*BatchSubscribeRequest) Descriptor() ([]byte, []int) {
+	return file_broker_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *BatchSubscribeRequest) GetTopic() string {
+	if x != nil {
+		return x.Topic
+	}
+	return ""
+}
+
+func (x *BatchSubscribeRequest) GetGroup() string {
+	if x != nil {
+		return x.Group
+	}
+	return ""
+}
+
 type Message struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -180,7 +328,7 @@ type Message struct {
 func (x *Message) Reset() {
 	*x = Message{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_broker_proto_msgTypes[3]
+		mi := &file_broker_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -193,7 +341,7 @@ func (x *Message) String() string {
 func (*Message) ProtoMessage() {}
 
 func (x *Message) ProtoReflect() protoreflect.Message {
-	mi := &file_broker_proto_msgTypes[3]
+	mi := &file_broker_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -206,7 +354,7 @@ func (x *Message) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Message.ProtoReflect.Descriptor instead.
 func (*Message) Descriptor() ([]byte, []int) {
-	return file_broker_proto_rawDescGZIP(), []int{3}
+	return file_broker_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *Message) GetHeader() map[string]string {
@@ -227,39 +375,62 @@ var File_broker_proto protoreflect.FileDescriptor
 
 var file_broker_proto_rawDesc = []byte{
 	0x0a, 0x0c, 0x62, 0x72, 0x6f, 0x6b, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x09,
-	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x22, 0x07, 0x0a, 0x05, 0x45, 0x6d, 0x70,
+	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x22, 0x54, 0x0a, 0x0e, 0x50, 0x75, 0x62,
-	0x74, 0x79, 0x22, 0x54, 0x0a, 0x0e, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x71,
+	0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x74,
-	0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x18, 0x01, 0x20,
+	0x6f, 0x70, 0x69, 0x63, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69,
-	0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x12, 0x2c, 0x0a, 0x07, 0x6d, 0x65,
+	0x63, 0x12, 0x2c, 0x0a, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01,
-	0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x12, 0x2e, 0x73, 0x65,
+	0x28, 0x0b, 0x32, 0x12, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d,
-	0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22,
-	0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x3e, 0x0a, 0x10, 0x53, 0x75, 0x62, 0x73,
+	0x59, 0x0a, 0x13, 0x42, 0x61, 0x74, 0x63, 0x68, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52,
-	0x63, 0x72, 0x69, 0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x18,
-	0x74, 0x6f, 0x70, 0x69, 0x63, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x12, 0x2c, 0x0a, 0x07,
-	0x69, 0x63, 0x12, 0x14, 0x0a, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x18, 0x02, 0x20, 0x01, 0x28,
+	0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x12, 0x2e,
-	0x09, 0x52, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x22, 0x90, 0x01, 0x0a, 0x07, 0x4d, 0x65, 0x73,
+	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67,
-	0x73, 0x61, 0x67, 0x65, 0x12, 0x36, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x18, 0x01,
+	0x65, 0x52, 0x07, 0x6d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x11, 0x0a, 0x0f, 0x50, 0x75,
-	0x20, 0x03, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62,
+	0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x16, 0x0a,
-	0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x2e, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45,
+	0x14, 0x42, 0x61, 0x74, 0x63, 0x68, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x73,
-	0x6e, 0x74, 0x72, 0x79, 0x52, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x12, 0x0a, 0x04,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x3e, 0x0a, 0x10, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69,
-	0x62, 0x6f, 0x64, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x62, 0x6f, 0x64, 0x79,
+	0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14, 0x0a, 0x05, 0x74, 0x6f, 0x70,
-	0x1a, 0x39, 0x0a, 0x0b, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x12,
+	0x69, 0x63, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x12,
-	0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03, 0x6b, 0x65,
+	0x14, 0x0a, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05,
-	0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x67, 0x72, 0x6f, 0x75, 0x70, 0x22, 0x43, 0x0a, 0x15, 0x42, 0x61, 0x74, 0x63, 0x68, 0x53, 0x75,
-	0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x32, 0x84, 0x01, 0x0a, 0x06,
+	0x62, 0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x14,
-	0x42, 0x72, 0x6f, 0x6b, 0x65, 0x72, 0x12, 0x38, 0x0a, 0x07, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73,
+	0x0a, 0x05, 0x74, 0x6f, 0x70, 0x69, 0x63, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x05, 0x74,
-	0x68, 0x12, 0x19, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x50, 0x75,
+	0x6f, 0x70, 0x69, 0x63, 0x12, 0x14, 0x0a, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x18, 0x02, 0x20,
-	0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e, 0x73,
+	0x01, 0x28, 0x09, 0x52, 0x05, 0x67, 0x72, 0x6f, 0x75, 0x70, 0x22, 0x90, 0x01, 0x0a, 0x07, 0x4d,
-	0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x22, 0x00,
+	0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x12, 0x36, 0x0a, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72,
-	0x12, 0x40, 0x0a, 0x09, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x12, 0x1b, 0x2e,
+	0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x1e, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65,
-	0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72,
+	0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x2e, 0x48, 0x65, 0x61, 0x64, 0x65,
-	0x69, 0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x73, 0x65, 0x72,
+	0x72, 0x45, 0x6e, 0x74, 0x72, 0x79, 0x52, 0x06, 0x68, 0x65, 0x61, 0x64, 0x65, 0x72, 0x12, 0x12,
-	0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65, 0x22, 0x00,
+	0x0a, 0x04, 0x62, 0x6f, 0x64, 0x79, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x04, 0x62, 0x6f,
-	0x30, 0x01, 0x42, 0x39, 0x5a, 0x37, 0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74, 0x61, 0x63,
+	0x64, 0x79, 0x1a, 0x39, 0x0a, 0x0b, 0x48, 0x65, 0x61, 0x64, 0x65, 0x72, 0x45, 0x6e, 0x74, 0x72,
-	0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x62, 0x72, 0x6f, 0x6b,
+	0x79, 0x12, 0x10, 0x0a, 0x03, 0x6b, 0x65, 0x79, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x03,
-	0x65, 0x72, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x2f, 0x76, 0x33, 0x2f, 0x70, 0x72,
+	0x6b, 0x65, 0x79, 0x12, 0x14, 0x0a, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x18, 0x02, 0x20, 0x01,
-	0x6f, 0x74, 0x6f, 0x3b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x62, 0x06, 0x70,
+	0x28, 0x09, 0x52, 0x05, 0x76, 0x61, 0x6c, 0x75, 0x65, 0x3a, 0x02, 0x38, 0x01, 0x32, 0xb4, 0x02,
-	0x72, 0x6f, 0x74, 0x6f, 0x33,
+	0x0a, 0x0d, 0x42, 0x72, 0x6f, 0x6b, 0x65, 0x72, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12,
+	0x42, 0x0a, 0x07, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x12, 0x19, 0x2e, 0x73, 0x65, 0x72,
+	0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65,
+	0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1a, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70,
+	0x62, 0x2e, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73,
+	0x65, 0x22, 0x00, 0x12, 0x51, 0x0a, 0x0c, 0x42, 0x61, 0x74, 0x63, 0x68, 0x50, 0x75, 0x62, 0x6c,
+	0x69, 0x73, 0x68, 0x12, 0x1e, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e,
+	0x42, 0x61, 0x74, 0x63, 0x68, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x1a, 0x1f, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e,
+	0x42, 0x61, 0x74, 0x63, 0x68, 0x50, 0x75, 0x62, 0x6c, 0x69, 0x73, 0x68, 0x52, 0x65, 0x73, 0x70,
+	0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x12, 0x40, 0x0a, 0x09, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72,
+	0x69, 0x62, 0x65, 0x12, 0x1b, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e,
+	0x53, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x1a, 0x12, 0x2e, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x22, 0x00, 0x30, 0x01, 0x12, 0x4a, 0x0a, 0x0e, 0x42, 0x61, 0x74, 0x63,
+	0x68, 0x53, 0x75, 0x62, 0x73, 0x63, 0x72, 0x69, 0x62, 0x65, 0x12, 0x20, 0x2e, 0x73, 0x65, 0x72,
+	0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x42, 0x61, 0x74, 0x63, 0x68, 0x53, 0x75, 0x62, 0x73,
+	0x63, 0x72, 0x69, 0x62, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x12, 0x2e, 0x73,
+	0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x2e, 0x4d, 0x65, 0x73, 0x73, 0x61, 0x67, 0x65,
+	0x22, 0x00, 0x30, 0x01, 0x42, 0x39, 0x5a, 0x37, 0x67, 0x6f, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74,
+	0x61, 0x63, 0x6b, 0x2e, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x62, 0x72,
+	0x6f, 0x6b, 0x65, 0x72, 0x2d, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x2f, 0x76, 0x33, 0x2f,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x3b, 0x73, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x70, 0x62, 0x62,
+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -274,26 +445,34 @@ func file_broker_proto_rawDescGZIP() []byte {
 	return file_broker_proto_rawDescData
 }
 
-var file_broker_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_broker_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
 var file_broker_proto_goTypes = []interface{}{
-	(*Empty)(nil),            // 0: servicepb.Empty
+	(*PublishRequest)(nil),        // 0: servicepb.PublishRequest
-	(*PublishRequest)(nil),   // 1: servicepb.PublishRequest
+	(*BatchPublishRequest)(nil),   // 1: servicepb.BatchPublishRequest
-	(*SubscribeRequest)(nil), // 2: servicepb.SubscribeRequest
+	(*PublishResponse)(nil),       // 2: servicepb.PublishResponse
-	(*Message)(nil),          // 3: servicepb.Message
+	(*BatchPublishResponse)(nil),  // 3: servicepb.BatchPublishResponse
-	nil,                      // 4: servicepb.Message.HeaderEntry
+	(*SubscribeRequest)(nil),      // 4: servicepb.SubscribeRequest
+	(*BatchSubscribeRequest)(nil), // 5: servicepb.BatchSubscribeRequest
+	(*Message)(nil),               // 6: servicepb.Message
+	nil,                           // 7: servicepb.Message.HeaderEntry
 }
 var file_broker_proto_depIdxs = []int32{
-	3, // 0: servicepb.PublishRequest.message:type_name -> servicepb.Message
+	6, // 0: servicepb.PublishRequest.message:type_name -> servicepb.Message
-	4, // 1: servicepb.Message.header:type_name -> servicepb.Message.HeaderEntry
+	6, // 1: servicepb.BatchPublishRequest.message:type_name -> servicepb.Message
-	1, // 2: servicepb.Broker.Publish:input_type -> servicepb.PublishRequest
+	7, // 2: servicepb.Message.header:type_name -> servicepb.Message.HeaderEntry
-	2, // 3: servicepb.Broker.Subscribe:input_type -> servicepb.SubscribeRequest
+	0, // 3: servicepb.BrokerService.Publish:input_type -> servicepb.PublishRequest
-	0, // 4: servicepb.Broker.Publish:output_type -> servicepb.Empty
+	1, // 4: servicepb.BrokerService.BatchPublish:input_type -> servicepb.BatchPublishRequest
-	3, // 5: servicepb.Broker.Subscribe:output_type -> servicepb.Message
+	4, // 5: servicepb.BrokerService.Subscribe:input_type -> servicepb.SubscribeRequest
-	4, // [4:6] is the sub-list for method output_type
+	5, // 6: servicepb.BrokerService.BatchSubscribe:input_type -> servicepb.BatchSubscribeRequest
-	2, // [2:4] is the sub-list for method input_type
+	2, // 7: servicepb.BrokerService.Publish:output_type -> servicepb.PublishResponse
-	2, // [2:2] is the sub-list for extension type_name
+	3, // 8: servicepb.BrokerService.BatchPublish:output_type -> servicepb.BatchPublishResponse
-	2, // [2:2] is the sub-list for extension extendee
+	6, // 9: servicepb.BrokerService.Subscribe:output_type -> servicepb.Message
-	0, // [0:2] is the sub-list for field type_name
+	6, // 10: servicepb.BrokerService.BatchSubscribe:output_type -> servicepb.Message
+	7, // [7:11] is the sub-list for method output_type
+	3, // [3:7] is the sub-list for method input_type
+	3, // [3:3] is the sub-list for extension type_name
+	3, // [3:3] is the sub-list for extension extendee
+	0, // [0:3] is the sub-list for field type_name
 }
 
 func init() { file_broker_proto_init() }
@@ -303,18 +482,6 @@ func file_broker_proto_init() {
 	}
 	if !protoimpl.UnsafeEnabled {
 		file_broker_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Empty); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_broker_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*PublishRequest); i {
 			case 0:
 				return &v.state
@@ -326,8 +493,20 @@ func file_broker_proto_init() {
 				return nil
 			}
 		}
+		file_broker_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BatchPublishRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 		file_broker_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SubscribeRequest); i {
+			switch v := v.(*PublishResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -339,6 +518,42 @@ func file_broker_proto_init() {
 			}
 		}
 		file_broker_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BatchPublishResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_broker_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubscribeRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_broker_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*BatchSubscribeRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_broker_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Message); i {
 			case 0:
 				return &v.state
@@ -357,7 +572,7 @@ func file_broker_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_broker_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   8,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/broker.proto

@@ -3,24 +3,42 @@ syntax = "proto3";
 package servicepb;
 option go_package="go.unistack.org/micro-broker-service/v3/proto;servicepb";
 
-service Broker {
+service BrokerService {
-	rpc Publish(PublishRequest) returns (Empty) {};
+	rpc Publish(PublishRequest) returns (PublishResponse) {};
+	rpc BatchPublish(BatchPublishRequest) returns (BatchPublishResponse) {};
 	rpc Subscribe(SubscribeRequest) returns (stream Message) {};
-}
+	rpc BatchSubscribe(BatchSubscribeRequest) returns (stream Message) {};
-
+};
-message Empty {}
 
 message PublishRequest {
 	string topic = 1;
 	Message message = 2;
-}
+};
+
+message BatchPublishRequest {
+	string topic = 1;
+	repeated Message message = 2;
+};
+
+message PublishResponse {
+
+};
+
+message BatchPublishResponse {
+
+};
 
 message SubscribeRequest {
 	string topic = 1;
 	string group = 2;
-}
+};
+
+message BatchSubscribeRequest {
+	string topic = 1;
+	string group = 2;
+};
 
 message Message {
 	map<string,string> header = 1;
 	bytes body = 2;
-}
+};

proto/broker_grpc.pb.go

@@ -14,37 +14,48 @@ import (
 // Requires gRPC-Go v1.32.0 or later.
 const _ = grpc.SupportPackageIsVersion7
 
-// BrokerClient is the client API for Broker service.
+// BrokerServiceClient is the client API for BrokerService 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 BrokerClient interface {
+type BrokerServiceClient interface {
-	Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*Empty, error)
+	Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*PublishResponse, error)
-	Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (Broker_SubscribeClient, error)
+	BatchPublish(ctx context.Context, in *BatchPublishRequest, opts ...grpc.CallOption) (*BatchPublishResponse, error)
+	Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (BrokerService_SubscribeClient, error)
+	BatchSubscribe(ctx context.Context, in *BatchSubscribeRequest, opts ...grpc.CallOption) (BrokerService_BatchSubscribeClient, error)
 }
 
-type brokerClient struct {
+type brokerServiceClient struct {
 	cc grpc.ClientConnInterface
 }
 
-func NewBrokerClient(cc grpc.ClientConnInterface) BrokerClient {
+func NewBrokerServiceClient(cc grpc.ClientConnInterface) BrokerServiceClient {
-	return &brokerClient{cc}
+	return &brokerServiceClient{cc}
 }
 
-func (c *brokerClient) Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*Empty, error) {
+func (c *brokerServiceClient) Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*PublishResponse, error) {
-	out := new(Empty)
+	out := new(PublishResponse)
-	err := c.cc.Invoke(ctx, "/servicepb.Broker/Publish", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/servicepb.BrokerService/Publish", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }
 
-func (c *brokerClient) Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (Broker_SubscribeClient, error) {
+func (c *brokerServiceClient) BatchPublish(ctx context.Context, in *BatchPublishRequest, opts ...grpc.CallOption) (*BatchPublishResponse, error) {
-	stream, err := c.cc.NewStream(ctx, &Broker_ServiceDesc.Streams[0], "/servicepb.Broker/Subscribe", opts...)
+	out := new(BatchPublishResponse)
+	err := c.cc.Invoke(ctx, "/servicepb.BrokerService/BatchPublish", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
-	x := &brokerSubscribeClient{stream}
+	return out, nil
+}
+
+func (c *brokerServiceClient) Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (BrokerService_SubscribeClient, error) {
+	stream, err := c.cc.NewStream(ctx, &BrokerService_ServiceDesc.Streams[0], "/servicepb.BrokerService/Subscribe", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &brokerServiceSubscribeClient{stream}
 	if err := x.ClientStream.SendMsg(in); err != nil {
 		return nil, err
 	}
@@ -54,16 +65,16 @@ func (c *brokerClient) Subscribe(ctx context.Context, in *SubscribeRequest, opts
 	return x, nil
 }
 
-type Broker_SubscribeClient interface {
+type BrokerService_SubscribeClient interface {
 	Recv() (*Message, error)
 	grpc.ClientStream
 }
 
-type brokerSubscribeClient struct {
+type brokerServiceSubscribeClient struct {
 	grpc.ClientStream
 }
 
-func (x *brokerSubscribeClient) Recv() (*Message, error) {
+func (x *brokerServiceSubscribeClient) Recv() (*Message, error) {
 	m := new(Message)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
@@ -71,93 +82,181 @@ func (x *brokerSubscribeClient) Recv() (*Message, error) {
 	return m, nil
 }
 
-// BrokerServer is the server API for Broker service.
+func (c *brokerServiceClient) BatchSubscribe(ctx context.Context, in *BatchSubscribeRequest, opts ...grpc.CallOption) (BrokerService_BatchSubscribeClient, error) {
-// All implementations must embed UnimplementedBrokerServer
+	stream, err := c.cc.NewStream(ctx, &BrokerService_ServiceDesc.Streams[1], "/servicepb.BrokerService/BatchSubscribe", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &brokerServiceBatchSubscribeClient{stream}
+	if err := x.ClientStream.SendMsg(in); err != nil {
+		return nil, err
+	}
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	return x, nil
+}
+
+type BrokerService_BatchSubscribeClient interface {
+	Recv() (*Message, error)
+	grpc.ClientStream
+}
+
+type brokerServiceBatchSubscribeClient struct {
+	grpc.ClientStream
+}
+
+func (x *brokerServiceBatchSubscribeClient) Recv() (*Message, error) {
+	m := new(Message)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// BrokerServiceServer is the server API for BrokerService service.
+// All implementations must embed UnimplementedBrokerServiceServer
 // for forward compatibility
-type BrokerServer interface {
+type BrokerServiceServer interface {
-	Publish(context.Context, *PublishRequest) (*Empty, error)
+	Publish(context.Context, *PublishRequest) (*PublishResponse, error)
-	Subscribe(*SubscribeRequest, Broker_SubscribeServer) error
+	BatchPublish(context.Context, *BatchPublishRequest) (*BatchPublishResponse, error)
-	mustEmbedUnimplementedBrokerServer()
+	Subscribe(*SubscribeRequest, BrokerService_SubscribeServer) error
+	BatchSubscribe(*BatchSubscribeRequest, BrokerService_BatchSubscribeServer) error
+	mustEmbedUnimplementedBrokerServiceServer()
 }
 
-// UnimplementedBrokerServer must be embedded to have forward compatible implementations.
+// UnimplementedBrokerServiceServer must be embedded to have forward compatible implementations.
-type UnimplementedBrokerServer struct {
+type UnimplementedBrokerServiceServer struct {
 }
 
-func (UnimplementedBrokerServer) Publish(context.Context, *PublishRequest) (*Empty, error) {
+func (UnimplementedBrokerServiceServer) Publish(context.Context, *PublishRequest) (*PublishResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method Publish not implemented")
 }
-func (UnimplementedBrokerServer) Subscribe(*SubscribeRequest, Broker_SubscribeServer) error {
+func (UnimplementedBrokerServiceServer) BatchPublish(context.Context, *BatchPublishRequest) (*BatchPublishResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method BatchPublish not implemented")
+}
+func (UnimplementedBrokerServiceServer) Subscribe(*SubscribeRequest, BrokerService_SubscribeServer) error {
 	return status.Errorf(codes.Unimplemented, "method Subscribe not implemented")
 }
-func (UnimplementedBrokerServer) mustEmbedUnimplementedBrokerServer() {}
+func (UnimplementedBrokerServiceServer) BatchSubscribe(*BatchSubscribeRequest, BrokerService_BatchSubscribeServer) error {
+	return status.Errorf(codes.Unimplemented, "method BatchSubscribe not implemented")
+}
+func (UnimplementedBrokerServiceServer) mustEmbedUnimplementedBrokerServiceServer() {}
 
-// UnsafeBrokerServer may be embedded to opt out of forward compatibility for this service.
+// UnsafeBrokerServiceServer may be embedded to opt out of forward compatibility for this service.
-// Use of this interface is not recommended, as added methods to BrokerServer will
+// Use of this interface is not recommended, as added methods to BrokerServiceServer will
 // result in compilation errors.
-type UnsafeBrokerServer interface {
+type UnsafeBrokerServiceServer interface {
-	mustEmbedUnimplementedBrokerServer()
+	mustEmbedUnimplementedBrokerServiceServer()
 }
 
-func RegisterBrokerServer(s grpc.ServiceRegistrar, srv BrokerServer) {
+func RegisterBrokerServiceServer(s grpc.ServiceRegistrar, srv BrokerServiceServer) {
-	s.RegisterService(&Broker_ServiceDesc, srv)
+	s.RegisterService(&BrokerService_ServiceDesc, srv)
 }
 
-func _Broker_Publish_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+func _BrokerService_Publish_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(PublishRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(BrokerServer).Publish(ctx, in)
+		return srv.(BrokerServiceServer).Publish(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/servicepb.Broker/Publish",
+		FullMethod: "/servicepb.BrokerService/Publish",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BrokerServer).Publish(ctx, req.(*PublishRequest))
+		return srv.(BrokerServiceServer).Publish(ctx, req.(*PublishRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
 
-func _Broker_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
+func _BrokerService_BatchPublish_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(BatchPublishRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BrokerServiceServer).BatchPublish(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/servicepb.BrokerService/BatchPublish",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BrokerServiceServer).BatchPublish(ctx, req.(*BatchPublishRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _BrokerService_Subscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
 	m := new(SubscribeRequest)
 	if err := stream.RecvMsg(m); err != nil {
 		return err
 	}
-	return srv.(BrokerServer).Subscribe(m, &brokerSubscribeServer{stream})
+	return srv.(BrokerServiceServer).Subscribe(m, &brokerServiceSubscribeServer{stream})
 }
 
-type Broker_SubscribeServer interface {
+type BrokerService_SubscribeServer interface {
 	Send(*Message) error
 	grpc.ServerStream
 }
 
-type brokerSubscribeServer struct {
+type brokerServiceSubscribeServer struct {
 	grpc.ServerStream
 }
 
-func (x *brokerSubscribeServer) Send(m *Message) error {
+func (x *brokerServiceSubscribeServer) Send(m *Message) error {
 	return x.ServerStream.SendMsg(m)
 }
 
-// Broker_ServiceDesc is the grpc.ServiceDesc for Broker service.
+func _BrokerService_BatchSubscribe_Handler(srv interface{}, stream grpc.ServerStream) error {
+	m := new(BatchSubscribeRequest)
+	if err := stream.RecvMsg(m); err != nil {
+		return err
+	}
+	return srv.(BrokerServiceServer).BatchSubscribe(m, &brokerServiceBatchSubscribeServer{stream})
+}
+
+type BrokerService_BatchSubscribeServer interface {
+	Send(*Message) error
+	grpc.ServerStream
+}
+
+type brokerServiceBatchSubscribeServer struct {
+	grpc.ServerStream
+}
+
+func (x *brokerServiceBatchSubscribeServer) Send(m *Message) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+// BrokerService_ServiceDesc is the grpc.ServiceDesc for BrokerService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
-var Broker_ServiceDesc = grpc.ServiceDesc{
+var BrokerService_ServiceDesc = grpc.ServiceDesc{
-	ServiceName: "servicepb.Broker",
+	ServiceName: "servicepb.BrokerService",
-	HandlerType: (*BrokerServer)(nil),
+	HandlerType: (*BrokerServiceServer)(nil),
 	Methods: []grpc.MethodDesc{
 		{
 			MethodName: "Publish",
-			Handler:    _Broker_Publish_Handler,
+			Handler:    _BrokerService_Publish_Handler,
+		},
+		{
+			MethodName: "BatchPublish",
+			Handler:    _BrokerService_BatchPublish_Handler,
 		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
 			StreamName:    "Subscribe",
-			Handler:       _Broker_Subscribe_Handler,
+			Handler:       _BrokerService_Subscribe_Handler,
+			ServerStreams: true,
+		},
+		{
+			StreamName:    "BatchSubscribe",
+			Handler:       _BrokerService_BatchSubscribe_Handler,
 			ServerStreams: true,
 		},
 	},

service.go

@@ -11,12 +11,13 @@ import (
 	"go.unistack.org/micro/v3/broker"
 	"go.unistack.org/micro/v3/client"
 	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
 )
 
 type serviceBroker struct {
 	addrs   []string
 	service string
-	client  pbmicro.BrokerClient
+	client  pbmicro.BrokerServiceClient
 	init    bool
 	opts    broker.Options
 }
@@ -73,7 +74,7 @@ func (b *serviceBroker) Init(opts ...broker.Option) error {
 		return fmt.Errorf("missing Client option")
 	}
 
-	b.client = pbmicro.NewBrokerClient(b.service, cli)
+	b.client = pbmicro.NewBrokerServiceClient(b.service, cli)
 
 	b.init = true
 	return nil
@@ -83,18 +84,38 @@ func (b *serviceBroker) Options() broker.Options {
 	return b.opts
 }
 
+func (b *serviceBroker) BatchPublish(ctx context.Context, msgs []*broker.Message, opts ...broker.PublishOption) error {
+	return b.publish(ctx, msgs, opts...)
+}
+
 func (b *serviceBroker) Publish(ctx context.Context, topic string, msg *broker.Message, opts ...broker.PublishOption) error {
-	if logger.V(logger.TraceLevel) {
+	msg.Header.Set(metadata.HeaderTopic, topic)
-		logger.Tracef(ctx, "Publishing to topic %s broker %v", topic, b.addrs)
+	return b.publish(ctx, []*broker.Message{msg}, opts...)
+}
+
+func (b *serviceBroker) publish(ctx context.Context, msgs []*broker.Message, opts ...broker.PublishOption) error {
+	for _, msg := range msgs {
+		topic, _ := msg.Header.Get(metadata.HeaderTopic)
+		if logger.V(logger.TraceLevel) {
+			logger.Tracef(ctx, "Publishing to topic %s broker %v", topic, b.addrs)
+		}
+		_, err := b.client.Publish(ctx, &pb.PublishRequest{
+			Topic: topic,
+			Message: &pb.Message{
+				Header: msg.Header,
+				Body:   msg.Body,
+			},
+		}, client.WithAddress(b.addrs...))
+		if err != nil {
+			return err
+		}
 	}
-	_, err := b.client.Publish(ctx, &pb.PublishRequest{
+
-		Topic: topic,
+	return nil
-		Message: &pb.Message{
+}
-			Header: msg.Header,
+
-			Body:   msg.Body,
+func (b *serviceBroker) BatchSubscribe(ctx context.Context, topic string, handler broker.BatchHandler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {
-		},
+	return nil, nil
-	}, client.WithAddress(b.addrs...))
-	return err
 }
 
 func (b *serviceBroker) Subscribe(ctx context.Context, topic string, handler broker.Handler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {

subscriber.go

@@ -12,7 +12,7 @@ type serviceSub struct {
 	topic   string
 	group   string
 	handler broker.Handler
-	stream  pbmicro.Broker_SubscribeClient
+	stream  pbmicro.BrokerService_SubscribeClient
 	closed  chan bool
 	options broker.SubscribeOptions
 }
@@ -39,6 +39,10 @@ func (s *serviceEvent) Error() error {
 	return s.err
 }
 
+func (s *serviceEvent) SetError(err error) {
+	s.err = err
+}
+
 func (s *serviceSub) isClosed() bool {
 	select {
 	case <-s.closed: