update for latest micro logger changes

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
update deps (#116 )
2024-10-16 23:24:23 +03:00 · 2024-09-20 18:41:11 +03:00 · 2023-03-25 22:17:59 +03:00 · 2023-03-25 22:17:39 +03:00 · 2023-03-25 22:16:14 +03:00 · 2023-02-14 04:02:08 +03:00
17 changed files with 790 additions and 619 deletions
--- a/.github/workflows/autoapprove.yml
+++ b/.github/workflows/autoapprove.yml
@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v3
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
--- a/.github/workflows/automerge.yml
+++ b/.github/workflows/automerge.yml
@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@ -3,19 +3,20 @@ on:
 push:
    branches:
    - master
+    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
      with:
-        go-version: 1.16
+        go-version: 1.17
    - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
    - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -31,9 +32,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
      - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@ -43,14 +43,14 @@ jobs:

    steps:
    - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
    - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
      with:
-        go-version: 1.16
+        go-version: 1.17
    # Initializes the CodeQL tools for scanning.
    - name: init
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
      with:
        languages: ${{ matrix.language }}
        # If you wish to specify custom queries, you can do so here or in a config file.
@ -61,7 +61,7 @@ jobs:
    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
    # If this step fails, then you should remove it and run the build manually (see below)
    - name: autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2

    # ℹ️ Command-line programs to run using the OS shell.
    # 📚 https://git.io/JvXDl
@ -75,4 +75,4 @@ jobs:
    #   make release

    - name: analyze
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2
--- a/.github/workflows/dependabot-automerge.yml
+++ b/.github/workflows/dependabot-automerge.yml
@ -1,4 +1,4 @@
-name: "prautomerge"
+name: "dependabot-automerge"

 on:
  pull_request_target:
@ -9,21 +9,17 @@ permissions:
  contents: write

 jobs:
-  dependabot:
+  automerge:
    runs-on: ubuntu-latest
-    if: ${{ github.actor == 'dependabot[bot]' }}
+    if: github.actor == 'dependabot[bot]'
    steps:
      - name: metadata
        id: metadata
-        uses: dependabot/fetch-metadata@v1.1.1
+        uses: dependabot/fetch-metadata@v1.3.6
        with:
          github-token: "${{ secrets.TOKEN }}"
-      - name: approve
-        run: gh pr review --approve "$PR_URL"
-        env:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}
      - name: merge
+        id: merge
        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
        run: gh pr merge --auto --merge "$PR_URL"
        env:
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@ -3,19 +3,20 @@ on:
  pull_request:
    branches:
    - master
+    - v3
 jobs:
  test:
    name: test
    runs-on: ubuntu-latest
    steps:
    - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
      with:
-        go-version: 1.16
+        go-version: 1.17
    - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
    - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
      with:
        path: ~/go/pkg/mod
        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -31,9 +32,9 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
      - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
        continue-on-error: true
        with:
          # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.
--- a/generate.go
+++ b/generate.go
@ -1,3 +1,3 @@
 package service

-//go:generate protoc -I./proto -I. --go-grpc_out=paths=source_relative:./proto --go_out=paths=source_relative:./proto --go-micro_out=components=micro|rpc,standalone=true,paths=source_relative:./micro proto/broker.proto
+//go:generate protoc -I./proto -I. --go_out=paths=source_relative:./proto --go-micro_out=components=micro|grpc,standalone=true,paths=source_relative:./micro proto/broker.proto
--- a/go.mod
+++ b/go.mod
@ -1,10 +1,20 @@
 module go.unistack.org/micro-broker-service/v3

-go 1.16
+go 1.22
+
+toolchain go1.23.2

 require (
-	github.com/golang/protobuf v1.5.1 // indirect
-	go.unistack.org/micro/v3 v3.8.6
-	google.golang.org/grpc v1.40.0
-	google.golang.org/protobuf v1.27.1
+	go.unistack.org/micro-server-http/v3 v3.11.31
+	go.unistack.org/micro/v3 v3.10.97
+	google.golang.org/protobuf v1.35.1
+)
+
+require (
+	github.com/google/go-cmp v0.6.0 // indirect
+	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
+	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/sys v0.26.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241015192408-796eee8c2d53 // indirect
+	google.golang.org/grpc v1.67.1 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,135 +1,42 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
-github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
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--- a/micro/broker_micro.pb.go
+++ b/micro/broker_micro.pb.go
@ -1,5 +1,7 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v3.5.3
+// versions:
+// - protoc-gen-go-micro v3.10.2
+// - protoc              v3.21.12
 // source: broker.proto

 package servicepb
@ -7,26 +9,25 @@ package servicepb
 import (
 	context "context"
 	proto "go.unistack.org/micro-broker-service/v3/proto"
-	api "go.unistack.org/micro/v3/api"
+	v3 "go.unistack.org/micro-server-http/v3"
 	client "go.unistack.org/micro/v3/client"
 )

 var (
-	BrokerName = "Broker"
-
-	BrokerEndpoints = []api.Endpoint{}
+	BrokerServiceName = "BrokerService"
+)
+var (
+	BrokerServiceServerEndpoints = []v3.EndpointMetadata{}
 )

-func NewBrokerEndpoints() []api.Endpoint {
-	return BrokerEndpoints
+type BrokerServiceClient interface {
+	Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.PublishResponse, 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 BrokerClient interface {
-	Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.Empty, error)
-	Subscribe(ctx context.Context, req *proto.SubscribeRequest, opts ...client.CallOption) (Broker_SubscribeClient, error)
-}
-
-type Broker_SubscribeClient interface {
+type BrokerService_SubscribeClient interface {
 	Context() context.Context
 	SendMsg(msg interface{}) error
 	RecvMsg(msg interface{}) error
@ -34,12 +35,30 @@ type Broker_SubscribeClient interface {
 	Recv() (*proto.Message, error)
 }

-type BrokerServer interface {
-	Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error
-	Subscribe(ctx context.Context, req *proto.SubscribeRequest, stream Broker_SubscribeStream) error
+type BrokerService_BatchSubscribeClient interface {
+	Context() context.Context
+	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
--- a/micro/broker_micro_grpc.pb.go
+++ b/micro/broker_micro_grpc.pb.go
@ -0,0 +1,216 @@
+// Code generated by protoc-gen-go-micro. DO NOT EDIT.
+// protoc-gen-go-micro version: v3.10.2
+// source: broker.proto
+
+package servicepb
+
+import (
+	context "context"
+	proto "go.unistack.org/micro-broker-service/v3/proto"
+	client "go.unistack.org/micro/v3/client"
+	server "go.unistack.org/micro/v3/server"
+)
+
+type brokerServiceClient struct {
+	c    client.Client
+	name string
+}
+
+func NewBrokerServiceClient(name string, c client.Client) BrokerServiceClient {
+	return &brokerServiceClient{c: c, name: name}
+}
+
+func (c *brokerServiceClient) Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.PublishResponse, error) {
+	rsp := &proto.PublishResponse{}
+	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 *brokerServiceClient) BatchPublish(ctx context.Context, req *proto.BatchPublishRequest, opts ...client.CallOption) (*proto.BatchPublishResponse, error) {
+	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 &brokerServiceClientSubscribe{stream}, nil
+}
+
+type brokerServiceClientSubscribe struct {
+	stream client.Stream
+}
+
+func (s *brokerServiceClientSubscribe) Close() error {
+	return s.stream.Close()
+}
+
+func (s *brokerServiceClientSubscribe) CloseSend() error {
+	return s.stream.CloseSend()
+}
+
+func (s *brokerServiceClientSubscribe) Context() context.Context {
+	return s.stream.Context()
+}
+
+func (s *brokerServiceClientSubscribe) SendMsg(msg interface{}) error {
+	return s.stream.Send(msg)
+}
+
+func (s *brokerServiceClientSubscribe) RecvMsg(msg interface{}) error {
+	return s.stream.Recv(msg)
+}
+
+func (s *brokerServiceClientSubscribe) Recv() (*proto.Message, error) {
+	msg := &proto.Message{}
+	if err := s.stream.Recv(msg); err != nil {
+		return nil, err
+	}
+	return msg, nil
+}
+
+func (c *brokerServiceClient) BatchSubscribe(ctx context.Context, req *proto.BatchSubscribeRequest, opts ...client.CallOption) (BrokerService_BatchSubscribeClient, error) {
+	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
+}
+
+type brokerServiceClientBatchSubscribe struct {
+	stream client.Stream
+}
+
+func (s *brokerServiceClientBatchSubscribe) Close() error {
+	return s.stream.Close()
+}
+
+func (s *brokerServiceClientBatchSubscribe) CloseSend() error {
+	return s.stream.CloseSend()
+}
+
+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.BrokerServiceServer.Subscribe(ctx, msg, &brokerServiceSubscribeStream{stream})
+}
+
+type brokerServiceSubscribeStream struct {
+	stream server.Stream
+}
+
+func (s *brokerServiceSubscribeStream) Close() error {
+	return s.stream.Close()
+}
+
+func (s *brokerServiceSubscribeStream) Context() context.Context {
+	return s.stream.Context()
+}
+
+func (s *brokerServiceSubscribeStream) SendMsg(msg interface{}) error {
+	return s.stream.Send(msg)
+}
+
+func (s *brokerServiceSubscribeStream) RecvMsg(msg interface{}) error {
+	return s.stream.Recv(msg)
+}
+
+func (s *brokerServiceSubscribeStream) Send(msg *proto.Message) error {
+	return s.stream.Send(msg)
+}
+
+func (h *brokerServiceServer) BatchSubscribe(ctx context.Context, stream server.Stream) error {
+	msg := &proto.BatchSubscribeRequest{}
+	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 BrokerService struct {
+		brokerService
+	}
+	h := &brokerServiceServer{sh}
+	var nopts []server.HandlerOption
+	return s.Handle(s.NewHandler(&BrokerService{h}, append(nopts, opts...)...))
+}
--- a/micro/broker_micro_rpc.pb.go
+++ b/micro/broker_micro_rpc.pb.go
@ -1,126 +0,0 @@
-// Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v3.5.3
-// source: broker.proto
-
-package servicepb
-
-import (
-	context "context"
-	proto "go.unistack.org/micro-broker-service/v3/proto"
-	api "go.unistack.org/micro/v3/api"
-	client "go.unistack.org/micro/v3/client"
-	server "go.unistack.org/micro/v3/server"
-)
-
-type brokerClient struct {
-	c    client.Client
-	name string
-}
-
-func NewBrokerClient(name string, c client.Client) BrokerClient {
-	return &brokerClient{c: c, name: name}
-}
-
-func (c *brokerClient) Publish(ctx context.Context, req *proto.PublishRequest, opts ...client.CallOption) (*proto.Empty, error) {
-	rsp := &proto.Empty{}
-	err := c.c.Call(ctx, c.c.NewRequest(c.name, "Broker.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) {
-	stream, err := c.c.Stream(ctx, c.c.NewRequest(c.name, "Broker.Subscribe", &proto.SubscribeRequest{}), opts...)
-	if err != nil {
-		return nil, err
-	}
-	if err := stream.Send(req); err != nil {
-		return nil, err
-	}
-	return &brokerClientSubscribe{stream}, nil
-}
-
-type brokerClientSubscribe struct {
-	stream client.Stream
-}
-
-func (s *brokerClientSubscribe) Close() error {
-	return s.stream.Close()
-}
-
-func (s *brokerClientSubscribe) Context() context.Context {
-	return s.stream.Context()
-}
-
-func (s *brokerClientSubscribe) SendMsg(msg interface{}) error {
-	return s.stream.Send(msg)
-}
-
-func (s *brokerClientSubscribe) RecvMsg(msg interface{}) error {
-	return s.stream.Recv(msg)
-}
-
-func (s *brokerClientSubscribe) Recv() (*proto.Message, error) {
-	msg := &proto.Message{}
-	if err := s.stream.Recv(msg); err != nil {
-		return nil, err
-	}
-	return msg, nil
-}
-
-type brokerServer struct {
-	BrokerServer
-}
-
-func (h *brokerServer) Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error {
-	return h.BrokerServer.Publish(ctx, req, rsp)
-}
-
-func (h *brokerServer) 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})
-}
-
-type brokerSubscribeStream struct {
-	stream server.Stream
-}
-
-func (s *brokerSubscribeStream) Close() error {
-	return s.stream.Close()
-}
-
-func (s *brokerSubscribeStream) Context() context.Context {
-	return s.stream.Context()
-}
-
-func (s *brokerSubscribeStream) SendMsg(msg interface{}) error {
-	return s.stream.Send(msg)
-}
-
-func (s *brokerSubscribeStream) RecvMsg(msg interface{}) error {
-	return s.stream.Recv(msg)
-}
-
-func (s *brokerSubscribeStream) Send(msg *proto.Message) error {
-	return s.stream.Send(msg)
-}
-
-func RegisterBrokerServer(s server.Server, sh BrokerServer, opts ...server.HandlerOption) error {
-	type broker interface {
-		Publish(ctx context.Context, req *proto.PublishRequest, rsp *proto.Empty) error
-		Subscribe(ctx context.Context, stream server.Stream) error
-	}
-	type Broker struct {
-		broker
-	}
-	h := &brokerServer{sh}
-	var nopts []server.HandlerOption
-	for _, endpoint := range BrokerEndpoints {
-		nopts = append(nopts, api.WithEndpoint(&endpoint))
-	}
-	return s.Handle(s.NewHandler(&Broker{h}, append(nopts, opts...)...))
-}
--- a/proto/broker.pb.go
+++ b/proto/broker.pb.go
@ -1,7 +1,7 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // versions:
 // 	protoc-gen-go v1.26.0
-// 	protoc        v3.17.3
+// 	protoc        v3.21.12
 // source: broker.proto

 package servicepb
@ -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,
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+	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),   // 1: servicepb.PublishRequest
-	(*SubscribeRequest)(nil), // 2: servicepb.SubscribeRequest
-	(*Message)(nil),          // 3: servicepb.Message
-	nil,                      // 4: servicepb.Message.HeaderEntry
+	(*PublishRequest)(nil),        // 0: servicepb.PublishRequest
+	(*BatchPublishRequest)(nil),   // 1: servicepb.BatchPublishRequest
+	(*PublishResponse)(nil),       // 2: servicepb.PublishResponse
+	(*BatchPublishResponse)(nil),  // 3: servicepb.BatchPublishResponse
+	(*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
-	4, // 1: servicepb.Message.header:type_name -> servicepb.Message.HeaderEntry
-	1, // 2: servicepb.Broker.Publish:input_type -> servicepb.PublishRequest
-	2, // 3: servicepb.Broker.Subscribe:input_type -> servicepb.SubscribeRequest
-	0, // 4: servicepb.Broker.Publish:output_type -> servicepb.Empty
-	3, // 5: servicepb.Broker.Subscribe:output_type -> servicepb.Message
-	4, // [4:6] is the sub-list for method output_type
-	2, // [2:4] is the sub-list for method input_type
-	2, // [2:2] is the sub-list for extension type_name
-	2, // [2:2] is the sub-list for extension extendee
-	0, // [0:2] is the sub-list for field type_name
+	6, // 0: servicepb.PublishRequest.message:type_name -> servicepb.Message
+	6, // 1: servicepb.BatchPublishRequest.message:type_name -> servicepb.Message
+	7, // 2: servicepb.Message.header:type_name -> servicepb.Message.HeaderEntry
+	0, // 3: servicepb.BrokerService.Publish:input_type -> servicepb.PublishRequest
+	1, // 4: servicepb.BrokerService.BatchPublish:input_type -> servicepb.BatchPublishRequest
+	4, // 5: servicepb.BrokerService.Subscribe:input_type -> servicepb.SubscribeRequest
+	5, // 6: servicepb.BrokerService.BatchSubscribe:input_type -> servicepb.BatchSubscribeRequest
+	2, // 7: servicepb.BrokerService.Publish:output_type -> servicepb.PublishResponse
+	3, // 8: servicepb.BrokerService.BatchPublish:output_type -> servicepb.BatchPublishResponse
+	6, // 9: servicepb.BrokerService.Subscribe:output_type -> servicepb.Message
+	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,
 		},
--- a/proto/broker.proto
+++ b/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 {
-	rpc Publish(PublishRequest) returns (Empty) {};
+service BrokerService {
+	rpc Publish(PublishRequest) returns (PublishResponse) {};
+	rpc BatchPublish(BatchPublishRequest) returns (BatchPublishResponse) {};
 	rpc Subscribe(SubscribeRequest) returns (stream Message) {};
-}
-
-message Empty {}
+	rpc BatchSubscribe(BatchSubscribeRequest) returns (stream Message) {};
+};

 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;
-}
+};
--- a/proto/broker_grpc.pb.go
+++ b/proto/broker_grpc.pb.go
@ -1,165 +0,0 @@
-// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
-
-package servicepb
-
-import (
-	context "context"
-	grpc "google.golang.org/grpc"
-	codes "google.golang.org/grpc/codes"
-	status "google.golang.org/grpc/status"
-)
-
-// This is a compile-time assertion to ensure that this generated file
-// is compatible with the grpc package it is being compiled against.
-// Requires gRPC-Go v1.32.0 or later.
-const _ = grpc.SupportPackageIsVersion7
-
-// BrokerClient is the client API for Broker 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 {
-	Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*Empty, error)
-	Subscribe(ctx context.Context, in *SubscribeRequest, opts ...grpc.CallOption) (Broker_SubscribeClient, error)
-}
-
-type brokerClient struct {
-	cc grpc.ClientConnInterface
-}
-
-func NewBrokerClient(cc grpc.ClientConnInterface) BrokerClient {
-	return &brokerClient{cc}
-}
-
-func (c *brokerClient) Publish(ctx context.Context, in *PublishRequest, opts ...grpc.CallOption) (*Empty, error) {
-	out := new(Empty)
-	err := c.cc.Invoke(ctx, "/servicepb.Broker/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) {
-	stream, err := c.cc.NewStream(ctx, &Broker_ServiceDesc.Streams[0], "/servicepb.Broker/Subscribe", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &brokerSubscribeClient{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 Broker_SubscribeClient interface {
-	Recv() (*Message, error)
-	grpc.ClientStream
-}
-
-type brokerSubscribeClient struct {
-	grpc.ClientStream
-}
-
-func (x *brokerSubscribeClient) Recv() (*Message, error) {
-	m := new(Message)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
-// BrokerServer is the server API for Broker service.
-// All implementations must embed UnimplementedBrokerServer
-// for forward compatibility
-type BrokerServer interface {
-	Publish(context.Context, *PublishRequest) (*Empty, error)
-	Subscribe(*SubscribeRequest, Broker_SubscribeServer) error
-	mustEmbedUnimplementedBrokerServer()
-}
-
-// UnimplementedBrokerServer must be embedded to have forward compatible implementations.
-type UnimplementedBrokerServer struct {
-}
-
-func (UnimplementedBrokerServer) Publish(context.Context, *PublishRequest) (*Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method Publish not implemented")
-}
-func (UnimplementedBrokerServer) Subscribe(*SubscribeRequest, Broker_SubscribeServer) error {
-	return status.Errorf(codes.Unimplemented, "method Subscribe not implemented")
-}
-func (UnimplementedBrokerServer) mustEmbedUnimplementedBrokerServer() {}
-
-// UnsafeBrokerServer 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
-// result in compilation errors.
-type UnsafeBrokerServer interface {
-	mustEmbedUnimplementedBrokerServer()
-}
-
-func RegisterBrokerServer(s grpc.ServiceRegistrar, srv BrokerServer) {
-	s.RegisterService(&Broker_ServiceDesc, srv)
-}
-
-func _Broker_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)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/servicepb.Broker/Publish",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(BrokerServer).Publish(ctx, req.(*PublishRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Broker_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})
-}
-
-type Broker_SubscribeServer interface {
-	Send(*Message) error
-	grpc.ServerStream
-}
-
-type brokerSubscribeServer struct {
-	grpc.ServerStream
-}
-
-func (x *brokerSubscribeServer) Send(m *Message) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-// Broker_ServiceDesc is the grpc.ServiceDesc for Broker 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{
-	ServiceName: "servicepb.Broker",
-	HandlerType: (*BrokerServer)(nil),
-	Methods: []grpc.MethodDesc{
-		{
-			MethodName: "Publish",
-			Handler:    _Broker_Publish_Handler,
-		},
-	},
-	Streams: []grpc.StreamDesc{
-		{
-			StreamName:    "Subscribe",
-			Handler:       _Broker_Subscribe_Handler,
-			ServerStreams: true,
-		},
-	},
-	Metadata: "broker.proto",
-}
--- a/service.go
+++ b/service.go
@ -11,14 +11,17 @@ 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"
 )

+var _ broker.Broker = &serviceBroker{}
+
 type serviceBroker struct {
-	addrs   []string
+	client  pbmicro.BrokerServiceClient
 	service string
-	client  pbmicro.BrokerClient
-	init    bool
 	opts    broker.Options
+	addrs   []string
+	init    bool
 }

 func (b *serviceBroker) Address() string {
@ -73,7 +76,7 @@ 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
@ -83,24 +86,44 @@ 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) {
-		logger.Tracef(ctx, "Publishing to topic %s broker %v", topic, b.addrs)
+	msg.Header.Set(metadata.HeaderTopic, topic)
+	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 b.opts.Logger.V(logger.TraceLevel) {
+			b.opts.Logger.Trace(ctx, fmt.Sprintf("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,
-		Message: &pb.Message{
-			Header: msg.Header,
-			Body:   msg.Body,
-		},
-	}, client.WithAddress(b.addrs...))
-	return err
+
+	return nil
+}
+
+func (b *serviceBroker) BatchSubscribe(ctx context.Context, topic string, handler broker.BatchHandler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {
+	return nil, nil
 }

 func (b *serviceBroker) Subscribe(ctx context.Context, topic string, handler broker.Handler, opts ...broker.SubscribeOption) (broker.Subscriber, error) {
 	options := broker.NewSubscribeOptions(opts...)
-	if logger.V(logger.TraceLevel) {
-		logger.Tracef(ctx, "Subscribing to topic %s group %s broker %v", topic, options.Group, b.addrs)
+	if b.opts.Logger.V(logger.TraceLevel) {
+		b.opts.Logger.Trace(ctx, fmt.Sprintf("Subscribing to topic %s group %s broker %v", topic, options.Group, b.addrs))
 	}
 	stream, err := b.client.Subscribe(ctx, &pb.SubscribeRequest{
 		Topic: topic,
@ -117,32 +140,33 @@ func (b *serviceBroker) Subscribe(ctx context.Context, topic string, handler bro
 		stream:  stream,
 		closed:  make(chan bool),
 		options: options,
+		opts:    b.opts,
 	}

 	go func() {
 		for {
 			select {
 			case <-sub.closed:
-				if logger.V(logger.TraceLevel) {
-					logger.Tracef(ctx, "Unsubscribed from topic %s", topic)
+				if b.opts.Logger.V(logger.TraceLevel) {
+					b.opts.Logger.Trace(ctx, "Unsubscribed from topic %s", topic)
 				}
 				return
 			default:
-				if logger.V(logger.TraceLevel) {
+				if b.opts.Logger.V(logger.TraceLevel) {
 					// run the subscriber
-					logger.Tracef(ctx, "Streaming from broker %v to topic [%s] group [%s]", b.addrs, topic, options.Group)
+					b.opts.Logger.Trace(ctx, fmt.Sprintf("Streaming from broker %v to topic [%s] group [%s]", b.addrs, topic, options.Group))
 				}
 				if err := sub.run(ctx); err != nil {
-					if logger.V(logger.TraceLevel) {
-						logger.Tracef(ctx, "Resubscribing to topic %s broker %v", topic, b.addrs)
+					if b.opts.Logger.V(logger.TraceLevel) {
+						b.opts.Logger.Trace(ctx, fmt.Sprintf("Resubscribing to topic %s broker %v", topic, b.addrs))
 					}
 					stream, err := b.client.Subscribe(ctx, &pb.SubscribeRequest{
 						Topic: topic,
 						Group: options.Group,
 					}, client.WithAddress(b.addrs...), client.WithRequestTimeout(time.Hour))
 					if err != nil {
-						if logger.V(logger.TraceLevel) {
-							logger.Tracef(ctx, "Failed to resubscribe to topic %s: %v", topic, err)
+						if b.opts.Logger.V(logger.TraceLevel) {
+							b.opts.Logger.Trace(ctx, fmt.Sprintf("Failed to resubscribe to topic %s: %v", topic, err))
 						}
 						time.Sleep(time.Second)
 						continue
--- a/subscriber.go
+++ b/subscriber.go
@ -2,27 +2,35 @@ package service

 import (
 	"context"
+	"fmt"

 	pbmicro "go.unistack.org/micro-broker-service/v3/micro"
 	"go.unistack.org/micro/v3/broker"
 	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
 )

 type serviceSub struct {
 	topic   string
 	group   string
 	handler broker.Handler
-	stream  pbmicro.Broker_SubscribeClient
+	stream  pbmicro.BrokerService_SubscribeClient
 	closed  chan bool
+	opts    broker.Options
 	options broker.SubscribeOptions
 }

 type serviceEvent struct {
+	ctx     context.Context
 	topic   string
 	err     error
 	message *broker.Message
 }

+func (s *serviceEvent) Context() context.Context {
+	return s.ctx
+}
+
 func (s *serviceEvent) Topic() string {
 	return s.topic
 }
@ -39,6 +47,10 @@ 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:
@ -63,9 +75,10 @@ func (s *serviceSub) run(ctx context.Context) error {
 	for {
 		// TODO: do not fail silently
 		msg, err := s.stream.Recv()
+		ctx := metadata.NewIncomingContext(context.Background(), msg.Header)
 		if err != nil {
-			if logger.V(logger.TraceLevel) {
-				logger.Tracef(ctx, "Streaming error for subcription to topic %s: %v", s.Topic(), err)
+			if s.opts.Logger.V(logger.TraceLevel) {
+				s.opts.Logger.Trace(ctx, fmt.Sprintf("streaming error for subcription to topic %s: %v", s.Topic(), err))
 			}

 			// close the exit channel
@ -81,6 +94,7 @@ func (s *serviceSub) run(ctx context.Context) error {
 		}

 		p := &serviceEvent{
+			ctx:   ctx,
 			topic: s.topic,
 			message: &broker.Message{
 				Header: msg.Header,