[v4] hide access to internal mutex (#193)

* changed embedded mutex to private field

* changed embedded mutex to private field

.gitea/ISSUE_TEMPLATE/question.md

@@ -1,14 +0,0 @@
----
-name: Question
-about: Ask a question about go-micro
-title: ''
-labels: ''
-assignees: ''
-
----
-
-Before asking, please check if your question has already been answered: 
-
-1. Check the documentation - https://micro.mu/docs/
-2. Check the examples and plugins - https://github.com/micro/examples & https://github.com/micro/go-plugins
-3. Search existing issues

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: For reporting bugs in go-micro
+about: For reporting bugs in micro
 title: "[BUG]"
 labels: ''
 assignees: ''
@@ -16,9 +16,3 @@ assignees: ''
 **How to reproduce the bug:**
 
 If possible, please include a minimal code snippet here.
-
-**Environment:**
-Go Version: please paste `go version` output here
-```
-please paste `go env` output here
-```

.github/ISSUE_TEMPLATE/feature-request---enhancement.md

@@ -1,6 +1,6 @@
 ---
 name: Feature request / Enhancement
-about: If you have a need not served by go-micro
+about: If you have a need not served by micro
 title: "[FEATURE]"
 labels: ''
 assignees: ''

.github/ISSUE_TEMPLATE/question.md

@@ -0,0 +1,8 @@
+---
+name: Question
+about: Ask a question about micro
+title: ''
+labels: ''
+assignees: ''
+
+---

.github/autoapprove.yml

@@ -0,0 +1,28 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        run: [ "curl -o tea https://dl.gitea.com/tea/main/tea-main-linux-amd64",
+               "chmod +x ./tea",
+               "./tea login add --name unistack --token ${{ secrets.GITHUB_TOKEN }} --url https://git.unistack.org",
+               "./tea pr --repo ${{ github.event.repository.name }}"
+        ]
+        if: github.actor == 'vtolstov'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/job_coverage.yml

@@ -0,0 +1,53 @@
+name: coverage
+
+on:
+  push:
+    branches: [ main, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+  pull_request:
+    branches: [ main, v3, v4 ]
+
+jobs:
+
+  build:
+    if: github.server_url != 'https://github.com'
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+
+    - name: test coverage
+      run: |
+        go test -v -cover ./... -covermode=count -coverprofile coverage.out -coverpkg ./...
+        go tool cover -func coverage.out -o coverage.out
+
+    - name: coverage badge
+      uses: tj-actions/coverage-badge-go@v2
+      with:
+        green: 80
+        filename: coverage.out
+
+    - uses: stefanzweifel/git-auto-commit-action@v4
+      name: autocommit
+      with:
+        commit_message: Apply Code Coverage Badge
+        skip_fetch: false
+        skip_checkout: false
+        file_pattern: ./README.md
+
+    - name: push
+      if: steps.auto-commit-action.outputs.changes_detected == 'true'
+      uses: ad-m/github-push-action@master
+      with:
+        github_token: ${{ github.token }}
+        branch: ${{ github.ref }}

.github/workflows/job_lint.yml

@@ -3,10 +3,10 @@ name: lint
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   lint:
@@ -24,6 +24,6 @@ jobs:
     - name: setup deps
       run: go get -v ./...
     - name: run lint
-      uses: https://github.com/golangci/golangci-lint-action@v6
+      uses: golangci/golangci-lint-action@v6
       with:
         version: 'latest'

.github/workflows/job_sync.yml

@@ -0,0 +1,94 @@
+name: sync
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  sync:
+    if: github.server_url != 'https://github.com'
+    runs-on: ubuntu-latest
+    steps:
+    - name: init
+      run: |
+        git config --global user.email "vtolstov <vtolstov@users.noreply.github.com>"
+        git config --global user.name "github-actions[bot]"
+        echo "machine git.unistack.org login vtolstov password ${{ secrets.TOKEN_GITEA }}" >> /root/.netrc
+        echo "machine github.com login vtolstov password ${{ secrets.TOKEN_GITHUB }}" >> /root/.netrc
+
+    - name: check master
+      id: check_master
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/master | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync master
+      if: steps.check_master.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch master --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track master upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream master
+        git push upstream master --progress
+        git push origin master --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v3
+      id: check_v3
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v3 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v3
+      if: steps.check_v3.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v3 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v3 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v3
+        git push upstream v3 --progress
+        git push origin v3 --progress
+        cd ../
+        rm -rf repo
+
+    - name: check v4
+      id: check_v4
+      run: |
+        src_hash=$(git ls-remote https://github.com/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        dst_hash=$(git ls-remote ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} refs/heads/v4 | cut -f1)
+        echo "src_hash=$src_hash"
+        echo "dst_hash=$dst_hash"
+        if [ "$src_hash" != "$dst_hash" ]; then
+          echo "sync_needed=true" >> $GITHUB_OUTPUT
+        else
+          echo "sync_needed=false" >> $GITHUB_OUTPUT
+        fi
+
+    - name: sync v4
+      if: steps.check_v4.outputs.sync_needed == 'true'
+      run: |
+        git clone --filter=blob:none --filter=tree:0 --branch v4 --single-branch ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY} repo
+        cd repo
+        git remote add --no-tags --fetch --track v4 upstream https://github.com/${GITHUB_REPOSITORY}
+        git pull --rebase upstream v4
+        git push upstream v4 --progress
+        git push origin v4 --progress
+        cd ../
+        rm -rf repo

.github/workflows/job_test.yml

@@ -3,15 +3,12 @@ name: test
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
-    - v3
-    - v4
   push:
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   test:

.github/workflows/job_tests.yml

@@ -3,15 +3,12 @@ name: test
 on:
   pull_request:
     types: [opened, reopened, synchronize]
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
-    - v3
-    - v4
   push:
-    branches:
+    branches: [ master, v3, v4 ]
-    - master
+    paths-ignore:
-    - v3
+      - '.github/**'
-    - v4
+      - '.gitea/**'
 
 jobs:
   test:
@@ -35,19 +32,19 @@ jobs:
         go-version: 'stable'
     - name: setup go work
       env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: |
         go work init
         go work use .
         go work use micro-tests
     - name: setup deps
       env:
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: go get -v ./...
     - name: run tests
       env:
         INTEGRATION_TESTS: yes
-        GOWORK: /workspace/${{ github.repository_owner }}/go.work
+        GOWORK: ${{ github.workspace }}/go.work
       run: |
         cd micro-tests
         go test -mod readonly -v ./... || true

.golangci.yml

@@ -1,5 +1,5 @@
 run:
   concurrency: 8
-  deadline: 5m
+  timeout: 5m
   issues-exit-code: 1
   tests: true

README.md

@@ -0,0 +1,4 @@
+# GRPC Client
+![Coverage](https://img.shields.io/badge/Coverage-2.3%25-red)
+
+This plugin is a grpc client for micro.

codec.go

@@ -1,7 +1,7 @@
 package grpc
 
 import (
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/encoding"
 )

codec_test.go

@@ -2,9 +2,10 @@ package grpc
 
 import (
 	"context"
-	"go.unistack.org/micro/v3/codec"
-	gmetadata "google.golang.org/grpc/metadata"
 	"testing"
+
+	"go.unistack.org/micro/v4/codec"
+	gmetadata "google.golang.org/grpc/metadata"
 )
 
 type mockStream struct {

error.go

@@ -1,7 +1,7 @@
 package grpc
 
 import (
-	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v4/errors"
 	"google.golang.org/grpc/status"
 )
 

go.mod

@@ -1,19 +1,24 @@
-module go.unistack.org/micro-client-grpc/v3
+module go.unistack.org/micro-client-grpc/v4
 
-go 1.21
+go 1.23.0
 
-toolchain go1.23.1
+toolchain go1.23.3
 
 require (
-	go.unistack.org/micro/v3 v3.10.91
+	go.unistack.org/micro/v4 v4.1.7
-	google.golang.org/grpc v1.67.0
+	google.golang.org/grpc v1.72.0
 )
 
 require (
-	go.unistack.org/micro-proto/v3 v3.4.1 // indirect
+	github.com/ash3in/uuidv8 v1.2.0 // indirect
-	golang.org/x/net v0.29.0 // indirect
+	github.com/google/uuid v1.6.0 // indirect
-	golang.org/x/sys v0.25.0 // indirect
+	github.com/matoous/go-nanoid v1.5.1 // indirect
-	golang.org/x/text v0.18.0 // indirect
+	github.com/spf13/cast v1.7.1 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
+	go.unistack.org/micro-proto/v4 v4.1.0 // indirect
-	google.golang.org/protobuf v1.34.2 // indirect
+	golang.org/x/net v0.39.0 // indirect
+	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250425173222-7b384671a197 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,18 +1,59 @@
+github.com/DATA-DOG/go-sqlmock v1.5.2 h1:OcvFkGmslmlZibjAjaHm3L//6LiuBgolP7OputlJIzU=
+github.com/DATA-DOG/go-sqlmock v1.5.2/go.mod h1:88MAG/4G7SMwSE3CeA0ZKzrT5CiOU3OJ+JlNzwDqpNU=
+github.com/ash3in/uuidv8 v1.2.0 h1:2oogGdtCPwaVtyvPPGin4TfZLtOGE5F+W++E880G6SI=
+github.com/ash3in/uuidv8 v1.2.0/go.mod h1:BnU0wJBxnzdEKmVg4xckBkD+VZuecTFTUP3M0dWgyY4=
+github.com/frankban/quicktest v1.14.6 h1:7Xjx+VpznH+oBnejlPUj8oUpdxnVs4f8XU8WnHkI4W8=
+github.com/frankban/quicktest v1.14.6/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-go.unistack.org/micro/v3 v3.10.91 h1:vuJY4tXwpqimwIkEJ3TozMYNVQQs+C5QMlQWPgSY/YM=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
-go.unistack.org/micro/v3 v3.10.91/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
-golang.org/x/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
-golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+github.com/matoous/go-nanoid v1.5.1 h1:aCjdvTyO9LLnTIi0fgdXhOPPvOHjpXN6Ik9DaNjIct4=
-golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+github.com/matoous/go-nanoid v1.5.1/go.mod h1:zyD2a71IubI24efhpvkJz+ZwfwagzgSO6UNiFsZKN7U=
-golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
+github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
-golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+github.com/spf13/cast v1.7.1 h1:cuNEagBQEHWN1FnbGEjCXL2szYEXqfJPbP2HNUaca9Y=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+github.com/spf13/cast v1.7.1/go.mod h1:ancEpBxwJDODSW/UG4rDrAqiKolqNNh2DX3mk86cAdo=
-google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
-google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+go.opentelemetry.io/otel v1.34.0 h1:zRLXxLCgL1WyKsPVrgbSdMN4c0FMkDAskSTQP+0hdUY=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+go.opentelemetry.io/otel v1.34.0/go.mod h1:OWFPOQ+h4G8xpyjgqo4SxJYdDQ/qmRH+wivy7zzx9oI=
+go.opentelemetry.io/otel/metric v1.34.0 h1:+eTR3U0MyfWjRDhmFMxe2SsW64QrZ84AOhvqS7Y+PoQ=
+go.opentelemetry.io/otel/metric v1.34.0/go.mod h1:CEDrp0fy2D0MvkXE+dPV7cMi8tWZwX3dmaIhwPOaqHE=
+go.opentelemetry.io/otel/sdk v1.34.0 h1:95zS4k/2GOy069d321O8jWgYsW3MzVV+KuSPKp7Wr1A=
+go.opentelemetry.io/otel/sdk v1.34.0/go.mod h1:0e/pNiaMAqaykJGKbi+tSjWfNNHMTxoC9qANsCzbyxU=
+go.opentelemetry.io/otel/sdk/metric v1.34.0 h1:5CeK9ujjbFVL5c1PhLuStg1wxA7vQv7ce1EK0Gyvahk=
+go.opentelemetry.io/otel/sdk/metric v1.34.0/go.mod h1:jQ/r8Ze28zRKoNRdkjCZxfs6YvBTG1+YIqyFVFYec5w=
+go.opentelemetry.io/otel/trace v1.34.0 h1:+ouXS2V8Rd4hp4580a8q23bg0azF2nI8cqLYnC8mh/k=
+go.opentelemetry.io/otel/trace v1.34.0/go.mod h1:Svm7lSjQD7kG7KJ/MUHPVXSDGz2OX4h0M2jHBhmSfRE=
+go.unistack.org/micro-proto/v4 v4.1.0 h1:qPwL2n/oqh9RE3RTTDgt28XK3QzV597VugQPaw9lKUk=
+go.unistack.org/micro-proto/v4 v4.1.0/go.mod h1:ArmK7o+uFvxSY3dbJhKBBX4Pm1rhWdLEFf3LxBrMtec=
+go.unistack.org/micro/v4 v4.1.7 h1:4/dSEMTqxYoHimn/8wKDohfTXi2zDy6eWXYBCnBaZdc=
+go.unistack.org/micro/v4 v4.1.7/go.mod h1:lr3oYED8Ay1vjK68QqRw30QOtdk/ffpZqMFDasOUhKw=
+golang.org/x/net v0.39.0 h1:ZCu7HMWDxpXpaiKdhzIfaltL9Lp31x/3fCP11bc6/fY=
+golang.org/x/net v0.39.0/go.mod h1:X7NRbYVEA+ewNkCNyJ513WmMdQ3BineSwVtN2zD/d+E=
+golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
+golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
+golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
+golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250425173222-7b384671a197 h1:29cjnHVylHwTzH66WfFZqgSQgnxzvWE+jvBwpZCLRxY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250425173222-7b384671a197/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
+google.golang.org/grpc v1.72.0 h1:S7UkcVa60b5AAQTaO6ZKamFp1zMZSU0fGDK2WZLbBnM=
+google.golang.org/grpc v1.72.0/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
+google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

grpc.go

@@ -6,22 +6,20 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net"
-	"os"
 	"reflect"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/codec"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/errors"
-	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/options"
-	"go.unistack.org/micro/v3/options"
+	"go.unistack.org/micro/v4/selector"
-	"go.unistack.org/micro/v3/selector"
+	"go.unistack.org/micro/v4/semconv"
-	"go.unistack.org/micro/v3/semconv"
+	"go.unistack.org/micro/v4/tracer"
-	"go.unistack.org/micro/v3/tracer"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
@@ -36,14 +34,12 @@ const (
 )
 
 type grpcClient struct {
-	funcPublish      client.FuncPublish
+	funcCall   client.FuncCall
-	funcBatchPublish client.FuncBatchPublish
+	funcStream client.FuncStream
-	funcCall         client.FuncCall
+	pool       *ConnPool
-	funcStream       client.FuncStream
+	opts       client.Options
-	pool             *ConnPool
+	mu         sync.RWMutex
-	opts             client.Options
+	init       bool
-	sync.RWMutex
-	init bool
 }
 
 // secure returns the dial option for whether its a secure or insecure connection
@@ -78,28 +74,26 @@ func (g *grpcClient) secure(addr string) grpc.DialOption {
 }
 
 func (g *grpcClient) call(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
-	var header map[string]string
+	var header gmetadata.MD
 
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		header = make(map[string]string, len(md))
+		header = metadata.Copy(md).AsHTTP2()
-		for k, v := range md {
-			header[strings.ToLower(k)] = v
-		}
 	} else {
-		header = make(map[string]string, 2)
+		header = make(gmetadata.MD, 4)
 	}
 	if opts.RequestMetadata != nil {
 		for k, v := range opts.RequestMetadata {
-			header[k] = v
+			header[strings.ToLower(k)] = v
 		}
 	}
 	// set timeout in nanoseconds
-	header["Grpc-Timeout"] = fmt.Sprintf("%dn", opts.RequestTimeout)
+	if opts.RequestTimeout > time.Duration(0) {
-	header["timeout"] = fmt.Sprintf("%dn", opts.RequestTimeout)
+		header.Set("grpc-timeout", fmt.Sprintf("%dn", opts.RequestTimeout))
-	header["content-type"] = req.ContentType()
+		header.Set("timeout", fmt.Sprintf("%dn", opts.RequestTimeout))
+	}
+	header.Set("content-type", req.ContentType())
 
-	md := gmetadata.New(header)
+	ctx = gmetadata.NewOutgoingContext(ctx, header)
-	ctx = gmetadata.NewOutgoingContext(ctx, md)
 
 	cf, err := g.newCodec(req.ContentType())
 	if err != nil {
@@ -185,7 +179,7 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 	if opts.ResponseMetadata != nil {
 		*opts.ResponseMetadata = metadata.New(gmd.Len())
 		for k, v := range gmd {
-			opts.ResponseMetadata.Set(k, strings.Join(v, ","))
+			opts.ResponseMetadata.Append(k, v...)
 		}
 	}
 
@@ -193,27 +187,21 @@ func (g *grpcClient) call(ctx context.Context, addr string, req client.Request,
 }
 
 func (g *grpcClient) stream(ctx context.Context, addr string, req client.Request, rsp interface{}, opts client.CallOptions) error {
-	var header map[string]string
+	var header gmetadata.MD
 
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
-		header = make(map[string]string, len(md))
+		header = metadata.Copy(md).AsHTTP2()
-		for k, v := range md {
-			header[k] = v
-		}
 	} else {
-		header = make(map[string]string)
+		header = make(gmetadata.MD, 4)
 	}
 
-	// set timeout in nanoseconds
+	if opts.RequestTimeout > time.Duration(0) {
-	if opts.StreamTimeout > time.Duration(0) {
+		header.Set("grpc-timeout", fmt.Sprintf("%dn", opts.RequestTimeout))
-		header["Grpc-Timeout"] = fmt.Sprintf("%dn", opts.StreamTimeout)
+		header.Set("timeout", fmt.Sprintf("%dn", opts.RequestTimeout))
-		header["timeout"] = fmt.Sprintf("%dn", opts.StreamTimeout)
 	}
-	// set the content type for the request
+	header.Set("content-type", req.ContentType())
-	header["content-type"] = req.ContentType()
 
-	md := gmetadata.New(header)
+	ctx = gmetadata.NewOutgoingContext(ctx, header)
-	ctx = gmetadata.NewOutgoingContext(ctx, md)
 
 	cf, err := g.newCodec(req.ContentType())
 	if err != nil {
@@ -373,8 +361,8 @@ func (g *grpcClient) maxSendMsgSizeValue() int {
 }
 
 func (g *grpcClient) newCodec(ct string) (codec.Codec, error) {
-	g.RLock()
+	g.mu.RLock()
-	defer g.RUnlock()
+	defer g.mu.RUnlock()
 
 	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
 		ct = ct[:idx]
@@ -410,16 +398,14 @@ func (g *grpcClient) Init(opts ...client.Option) error {
 
 	// update pool configuration if the options changed
 	if size != g.opts.PoolSize || ttl != g.opts.PoolTTL {
-		g.pool.Lock()
+		g.pool.mu.Lock()
 		g.pool.size = g.opts.PoolSize
 		g.pool.ttl = int64(g.opts.PoolTTL.Seconds())
-		g.pool.Unlock()
+		g.pool.mu.Unlock()
 	}
 
 	g.funcCall = g.fnCall
 	g.funcStream = g.fnStream
-	g.funcPublish = g.fnPublish
-	g.funcBatchPublish = g.fnBatchPublish
 
 	g.opts.Hooks.EachPrev(func(hook options.Hook) {
 		switch h := hook.(type) {
@@ -427,12 +413,9 @@ func (g *grpcClient) Init(opts ...client.Option) error {
 			g.funcCall = h(g.funcCall)
 		case client.HookStream:
 			g.funcStream = h(g.funcStream)
-		case client.HookPublish:
-			g.funcPublish = h(g.funcPublish)
-		case client.HookBatchPublish:
-			g.funcBatchPublish = h(g.funcBatchPublish)
 		}
 	})
+	g.init = true
 
 	return nil
 }
@@ -441,10 +424,6 @@ func (g *grpcClient) Options() client.Options {
 	return g.opts
 }
 
-func (g *grpcClient) NewMessage(topic string, msg interface{}, opts ...client.MessageOption) client.Message {
-	return newGRPCEvent(topic, msg, g.opts.ContentType, opts...)
-}
-
 func (g *grpcClient) NewRequest(service, method string, req interface{}, reqOpts ...client.RequestOption) client.Request {
 	return newGRPCRequest(service, method, req, g.opts.ContentType, reqOpts...)
 }
@@ -763,83 +742,6 @@ func (g *grpcClient) fnStream(ctx context.Context, req client.Request, opts ...c
 	return nil, grr
 }
 
-func (g *grpcClient) BatchPublish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
-	return g.funcBatchPublish(ctx, ps, opts...)
-}
-
-func (g *grpcClient) fnBatchPublish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
-	return g.publish(ctx, ps, opts...)
-}
-
-func (g *grpcClient) Publish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
-	return g.funcPublish(ctx, p, opts...)
-}
-
-func (g *grpcClient) fnPublish(ctx context.Context, p client.Message, opts ...client.PublishOption) error {
-	return g.publish(ctx, []client.Message{p}, opts...)
-}
-
-func (g *grpcClient) publish(ctx context.Context, ps []client.Message, opts ...client.PublishOption) error {
-	var body []byte
-
-	options := client.NewPublishOptions(opts...)
-
-	// get proxy
-	exchange := ""
-	if v, ok := os.LookupEnv("MICRO_PROXY"); ok {
-		exchange = v
-	}
-	// get the exchange
-	if len(options.Exchange) > 0 {
-		exchange = options.Exchange
-	}
-
-	msgs := make([]*broker.Message, 0, len(ps))
-
-	omd, ok := metadata.FromOutgoingContext(ctx)
-	if !ok {
-		omd = metadata.New(2)
-	}
-
-	for _, p := range ps {
-		md := metadata.Copy(omd)
-		md[metadata.HeaderContentType] = p.ContentType()
-		topic := p.Topic()
-		if len(exchange) > 0 {
-			topic = exchange
-		}
-		md.Set(metadata.HeaderTopic, topic)
-		iter := p.Metadata().Iterator()
-		var k, v string
-		for iter.Next(&k, &v) {
-			md.Set(k, v)
-		}
-
-		// passed in raw data
-		if d, ok := p.Payload().(*codec.Frame); ok {
-			body = d.Data
-		} else {
-			// use codec for payload
-			cf, err := g.newCodec(p.ContentType())
-			if err != nil {
-				return errors.InternalServerError("go.micro.client", "%+v", err)
-			}
-			// set the body
-			b, err := cf.Marshal(p.Payload())
-			if err != nil {
-				return errors.InternalServerError("go.micro.client", "%+v", err)
-			}
-			body = b
-		}
-		msgs = append(msgs, &broker.Message{Header: md, Body: body})
-	}
-
-	return g.opts.Broker.BatchPublish(ctx, msgs,
-		broker.PublishContext(options.Context),
-		broker.PublishBodyOnly(options.BodyOnly),
-	)
-}
-
 func (g *grpcClient) String() string {
 	return "grpc"
 }
@@ -919,8 +821,6 @@ func NewClient(opts ...client.Option) client.Client {
 
 	c.funcCall = c.fnCall
 	c.funcStream = c.fnStream
-	c.funcPublish = c.fnPublish
-	c.funcBatchPublish = c.fnBatchPublish
 
 	return c
 }

grpc_pool.go

@@ -16,7 +16,7 @@ type ConnPool struct {
 	ttl        int64
 	maxStreams int
 	maxIdle    int
-	sync.Mutex
+	mu         sync.Mutex
 }
 
 type streamsPool struct {
@@ -64,7 +64,7 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
 		addr = addr[strings.Index(addr, ":")+3:]
 	}
 	now := time.Now().Unix()
-	p.Lock()
+	p.mu.Lock()
 	sp, ok := p.conns[addr]
 	if !ok {
 		sp = &streamsPool{head: &PoolConn{}, busy: &PoolConn{}, count: 0, idle: 0}
@@ -125,10 +125,10 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
 		}
 		//  a good conn
 		conn.streams++
-		p.Unlock()
+		p.mu.Unlock()
 		return conn, nil
 	}
-	p.Unlock()
+	p.mu.Unlock()
 
 	// nolint (TODO need fix)  create new conn)
 	cc, err := grpc.DialContext(ctx, addr, opts...)
@@ -138,24 +138,24 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
 	conn = &PoolConn{ClientConn: cc, err: nil, addr: addr, pool: p, sp: sp, streams: 1, created: time.Now().Unix(), pre: nil, next: nil, in: false}
 
 	//  add conn to streams pool
-	p.Lock()
+	p.mu.Lock()
 	if sp.count < p.size {
 		addConnAfter(conn, sp.head)
 	}
-	p.Unlock()
+	p.mu.Unlock()
 
 	return conn, nil
 }
 
 func (p *ConnPool) Put(conn *PoolConn, err error) {
-	p.Lock()
+	p.mu.Lock()
 	p, sp, created := conn.pool, conn.sp, conn.created
 	//  try to add conn
 	if !conn.in && sp.count < p.size {
 		addConnAfter(conn, sp.head)
 	}
 	if !conn.in {
-		p.Unlock()
+		p.mu.Unlock()
 		conn.ClientConn.Close()
 		return
 	}
@@ -173,13 +173,13 @@ func (p *ConnPool) Put(conn *PoolConn, err error) {
 		now := time.Now().Unix()
 		if err != nil || sp.idle >= p.maxIdle || now-created > p.ttl {
 			removeConn(conn)
-			p.Unlock()
+			p.mu.Unlock()
 			conn.ClientConn.Close()
 			return
 		}
 		sp.idle++
 	}
-	p.Unlock()
+	p.mu.Unlock()
 }
 
 func (conn *PoolConn) Close() {

message.go

@@ -1,44 +0,0 @@
-package grpc
-
-import (
-	"go.unistack.org/micro/v3/client"
-	"go.unistack.org/micro/v3/metadata"
-)
-
-type grpcEvent struct {
-	payload     interface{}
-	topic       string
-	contentType string
-	opts        client.MessageOptions
-}
-
-func newGRPCEvent(topic string, payload interface{}, contentType string, opts ...client.MessageOption) client.Message {
-	options := client.NewMessageOptions(opts...)
-
-	if len(options.ContentType) > 0 {
-		contentType = options.ContentType
-	}
-
-	return &grpcEvent{
-		payload:     payload,
-		topic:       topic,
-		contentType: contentType,
-		opts:        options,
-	}
-}
-
-func (g *grpcEvent) ContentType() string {
-	return g.contentType
-}
-
-func (g *grpcEvent) Topic() string {
-	return g.topic
-}
-
-func (g *grpcEvent) Payload() interface{} {
-	return g.payload
-}
-
-func (g *grpcEvent) Metadata() metadata.Metadata {
-	return g.opts.Metadata
-}

options.go

@@ -4,7 +4,7 @@ package grpc
 import (
 	"context"
 
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/encoding"
 )

request.go

@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"strings"
 
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v4/codec"
 )
 
 type grpcRequest struct {

response.go

@@ -1,10 +1,8 @@
 package grpc
 
 import (
-	"strings"
+	"go.unistack.org/micro/v4/codec"
-
+	"go.unistack.org/micro/v4/metadata"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/metadata"
 	"google.golang.org/grpc"
 )
 
@@ -25,14 +23,19 @@ func (r *response) Header() metadata.Metadata {
 	if err != nil {
 		return nil
 	}
-	md := metadata.New(len(meta))
+
-	for k, v := range meta {
+	return metadata.Metadata(meta.Copy())
-		md.Set(k, strings.Join(v, ","))
-	}
-	return md
 }
 
 // Read the undecoded response
 func (r *response) Read() ([]byte, error) {
-	return nil, nil
+	f := &codec.Frame{}
+	wrap := &wrapStream{r.stream}
+
+	_, err := wrap.Read(f.Data)
+	if err != nil {
+		return nil, err
+	}
+
+	return f.Data, nil
 }

stream.go

@@ -5,8 +5,8 @@ import (
 	"io"
 	"sync"
 
-	"go.unistack.org/micro/v3/client"
+	"go.unistack.org/micro/v4/client"
-	"go.unistack.org/micro/v3/tracer"
+	"go.unistack.org/micro/v4/tracer"
 	"google.golang.org/grpc"
 )
 
@@ -19,8 +19,8 @@ type grpcStream struct {
 	response client.Response
 	close    func(err error)
 	conn     *PoolConn
-	sync.RWMutex
+	mu       sync.RWMutex
-	closed bool
+	closed   bool
 }
 
 func (g *grpcStream) Context() context.Context {
@@ -88,15 +88,15 @@ func (g *grpcStream) RecvMsg(msg interface{}) (err error) {
 }
 
 func (g *grpcStream) Error() error {
-	g.RLock()
+	g.mu.RLock()
-	defer g.RUnlock()
+	defer g.mu.RUnlock()
 	return g.err
 }
 
 func (g *grpcStream) setError(e error) {
-	g.Lock()
+	g.mu.Lock()
 	g.err = e
-	g.Unlock()
+	g.mu.Unlock()
 }
 
 // Close the gRPC send stream
@@ -105,8 +105,8 @@ func (g *grpcStream) setError(e error) {
 // stream should still be able to receive after this function call
 // TODO: should the conn be closed in another way?
 func (g *grpcStream) Close() error {
-	g.Lock()
+	g.mu.Lock()
-	defer g.Unlock()
+	defer g.mu.Unlock()
 
 	if g.closed {
 		return nil
@@ -125,8 +125,8 @@ func (g *grpcStream) Close() error {
 }
 
 func (g *grpcStream) CloseSend() error {
-	g.Lock()
+	g.mu.Lock()
-	defer g.Unlock()
+	defer g.mu.Unlock()
 
 	if g.closed {
 		return nil