fixup for latest micro

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.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: ''
@@ -14,4 +14,4 @@ A clear and concise description of what the problem is. Ex. I'm always frustrate
 A clear and concise description of what you want to happen.
 
 **Additional context**
-Add any other context or screenshots about the feature request here.
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -1,14 +1,8 @@
 ---
 name: Question
-about: Ask a question about go-micro
+about: Ask a question about 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/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/dependabot.yml

@@ -1,19 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
-
-version: 2
-updates:
-
-  # Maintain dependencies for GitHub Actions
-  - package-ecosystem: "github-actions"
-    directory: "/"
-    schedule:
-      interval: "daily"
-
-  # Maintain dependencies for Golang
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "daily"

.github/workflows/autoapprove.yml

@@ -1,20 +0,0 @@
-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 }}

.github/workflows/automerge.yml

@@ -1,21 +0,0 @@
-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}}

.github/workflows/build.yml

@@ -1,47 +0,0 @@
-name: build
-on:
- push:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v3
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        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.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.github/workflows/codeql-analysis.yml

@@ -1,78 +0,0 @@
-# For most projects, this workflow file will not need changing; you simply need
-# to commit it to your repository.
-#
-# You may wish to alter this file to override the set of languages analyzed,
-# or to provide custom queries or build logic.
-#
-# ******** NOTE ********
-# We have attempted to detect the languages in your repository. Please check
-# the `language` matrix defined below to confirm you have the correct set of
-# supported CodeQL languages.
-#
-name: "codeql"
-
-on:
-  workflow_run:
-    workflows: ["prbuild"]
-    types:
-      - completed
-  push:
-    branches: [ master, v3 ]
-  pull_request:
-    # The branches below must be a subset of the branches above
-    branches: [ master, v3 ]
-  schedule:
-    - cron: '34 1 * * 0'
-
-jobs:
-  analyze:
-    name: analyze
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      security-events: write
-
-    strategy:
-      fail-fast: false
-      matrix:
-        language: [ 'go' ]
-        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
-        # Learn more:
-        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
-
-    steps:
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    # Initializes the CodeQL tools for scanning.
-    - name: init
-      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.
-        # By default, queries listed here will override any specified in a config file.
-        # Prefix the list here with "+" to use these queries and those in the config file.
-        # queries: ./path/to/local/query, your-org/your-repo/queries@main
-
-    # 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@v2
-
-    # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
-
-    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
-    #    and modify them (or add more) to build your code if your project
-    #    uses a compiled language
-
-    #- run: |
-    #   make bootstrap
-    #   make release
-
-    - name: analyze
-      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -1,27 +0,0 @@
-name: "dependabot-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 == 'dependabot[bot]'
-    steps:
-      - name: metadata
-        id: metadata
-        uses: dependabot/fetch-metadata@v1.3.6
-        with:
-          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:
-          PR_URL: ${{github.event.pull_request.html_url}}
-          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/job_coverage.yml

@@ -0,0 +1,55 @@
+name: coverage
+
+on:
+  push:
+    branches: [ main, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+  pull_request:
+    branches: [ main, v3, v4 ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+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

@@ -0,0 +1,29 @@
+name: lint
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches: [ master, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+
+jobs:
+  lint:
+    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: setup deps
+      run: go get -v ./...
+    - name: run lint
+      uses: golangci/golangci-lint-action@v6
+      with:
+        version: 'latest'

.github/workflows/job_sync.yml

@@ -0,0 +1,57 @@
+name: sync
+
+on:
+  schedule:
+    - cron: '*/5 * * * *'
+#  push:
+#    branches: [ master, v3, v4 ]
+#    paths-ignore:
+#      - '.github/**'
+#      - '.gitea/**'
+  # 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: sync master
+      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 --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: sync v3
+      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
+        git push origin v3 --progress
+        cd ../
+        rm -rf repo
+
+    - name: sync v4
+      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
+        git push origin v4 --progress
+        cd ../
+        rm -rf repo

.github/workflows/job_test.yml

@@ -0,0 +1,31 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches: [ master, v3, v4 ]
+  push:
+    branches: [ master, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+
+jobs:
+  test:
+    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: setup deps
+      run: go get -v ./...
+    - name: run test
+      env:
+        INTEGRATION_TESTS: yes
+      run: go test -mod readonly -v ./...

.github/workflows/job_tests.yml

@@ -0,0 +1,50 @@
+name: test
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+    branches: [ master, v3, v4 ]
+  push:
+    branches: [ master, v3, v4 ]
+    paths-ignore:
+      - '.github/**'
+      - '.gitea/**'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v4
+      with:
+        filter: 'blob:none'
+    - name: checkout tests
+      uses: actions/checkout@v4
+      with:
+        ref: master
+        filter: 'blob:none'
+        repository: unistack-org/micro-tests
+        path: micro-tests
+    - name: setup go
+      uses: actions/setup-go@v5
+      with:
+        cache-dependency-path: "**/*.sum"
+        go-version: 'stable'
+    - name: setup go work
+      env:
+        GOWORK: ${{ github.workspace }}/go.work
+      run: |
+        go work init
+        go work use .
+        go work use micro-tests
+    - name: setup deps
+      env:
+        GOWORK: ${{ github.workspace }}/go.work
+      run: go get -v ./...
+    - name: run tests
+      env:
+        INTEGRATION_TESTS: yes
+        GOWORK: ${{ github.workspace }}/go.work
+      run: |
+        cd micro-tests
+        go test -mod readonly -v ./... || true

.github/workflows/pr.yml

@@ -1,47 +0,0 @@
-name: prbuild
-on:
-  pull_request:
-    branches:
-    - master
-    - v3
-jobs:
-  test:
-    name: test
-    runs-on: ubuntu-latest
-    steps:
-    - name: setup
-      uses: actions/setup-go@v3
-      with:
-        go-version: 1.17
-    - name: checkout
-      uses: actions/checkout@v3
-    - name: cache
-      uses: actions/cache@v3
-      with:
-        path: ~/go/pkg/mod
-        key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
-        restore-keys: ${{ runner.os }}-go-
-    - name: deps
-      run: go get -v -t -d ./...
-    - name: test
-      env:
-        INTEGRATION_TESTS: yes
-      run: go test -mod readonly -v ./...
-  lint:
-    name: lint
-    runs-on: ubuntu-latest
-    steps:
-      - name: checkout
-        uses: actions/checkout@v3
-      - name: lint
-        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.
-          version: v1.30
-          # Optional: working directory, useful for monorepos
-          # working-directory: somedir
-          # Optional: golangci-lint command line arguments.
-          # args: --issues-exit-code=0
-          # Optional: show only new issues if it's a pull request. The default value is `false`.
-          # only-new-issues: true

.golangci.yml

@@ -1,44 +1,5 @@
 run:
-  concurrency: 4
-  deadline: 5m
+  concurrency: 8
+  timeout: 5m
   issues-exit-code: 1
   tests: true
-
-linters-settings:
-  govet:
-    check-shadowing: true
-    enable:
-      - fieldalignment
-
-linters:
-  enable:
-    - govet
-    - deadcode
-    - errcheck
-    - govet
-    - ineffassign
-    - staticcheck
-    - structcheck
-    - typecheck
-    - unused
-    - varcheck
-    - bodyclose
-    - gci
-    - goconst
-    - gocritic
-    - gosimple
-    - gofmt
-    - gofumpt
-    - goimports
-    - golint
-    - gosec
-    - makezero
-    - misspell
-    - nakedret
-    - nestif
-    - nilerr
-    - noctx
-    - prealloc
-    - unconvert
-    - unparam
-  disable-all: false

README.md

@@ -1,4 +1,5 @@
 # HTTP Server
+![Coverage](https://img.shields.io/badge/Coverage-3.5%25-red)
 
 The HTTP Server is a go-micro.Server. It's a partial implementation which strips out codecs, transports, etc but enables you 
 to create a HTTP Server that could potentially be used for REST based API services.

go.mod

@@ -1,28 +1,25 @@
-module go.unistack.org/micro-server-http/v3
+module go.unistack.org/micro-server-http/v4
 
-go 1.18
+go 1.23.0
 
 require (
-	github.com/99designs/gqlgen v0.17.45
-	go.unistack.org/micro-client-http/v3 v3.9.7
-	go.unistack.org/micro-codec-yaml/v3 v3.10.0
-	go.unistack.org/micro-proto/v3 v3.4.1
-	go.unistack.org/micro/v3 v3.10.66
-	golang.org/x/net v0.24.0
+	go.unistack.org/micro-client-http/v4 v4.1.0
+	go.unistack.org/micro-codec-yaml/v4 v4.1.0
+	go.unistack.org/micro-proto/v4 v4.1.0
+	go.unistack.org/micro/v4 v4.1.8
+	golang.org/x/net v0.39.0
 )
 
 require (
-	github.com/golang/protobuf v1.5.4 // indirect
+	github.com/ash3in/uuidv8 v1.2.0 // indirect
 	github.com/google/gnostic v0.7.0 // indirect
-	github.com/google/gnostic-models v0.6.9-0.20230804172637-c7be7c783f49 // indirect
+	github.com/google/gnostic-models v0.6.9 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
-	github.com/sosodev/duration v1.2.0 // indirect
-	github.com/vektah/gqlparser/v2 v2.5.11 // indirect
-	golang.org/x/sys v0.19.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
-	google.golang.org/grpc v1.63.2 // indirect
-	google.golang.org/protobuf v1.33.0 // indirect
+	github.com/matoous/go-nanoid v1.5.1 // indirect
+	github.com/spf13/cast v1.7.1 // indirect
+	golang.org/x/sys v0.32.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34 // indirect
+	google.golang.org/grpc v1.72.0 // indirect
+	google.golang.org/protobuf v1.36.6 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	sigs.k8s.io/yaml v1.4.0 // indirect
 )

go.sum

@@ -594,22 +594,23 @@ cloud.google.com/go/workflows v1.10.0/go.mod h1:fZ8LmRmZQWacon9UCX1r/g/DfAXx5VcP
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 gioui.org v0.0.0-20210308172011-57750fc8a0a6/go.mod h1:RSH6KIUZ0p2xy5zHDxgAM4zumjgTw83q2ge/PI+yyw8=
 git.sr.ht/~sbinet/gg v0.3.1/go.mod h1:KGYtlADtqsqANL9ueOFkWymvzUvLMQllU5Ixo+8v3pc=
-github.com/99designs/gqlgen v0.17.45 h1:bH0AH67vIJo8JKNKPJP+pOPpQhZeuVRQLf53dKIpDik=
-github.com/99designs/gqlgen v0.17.45/go.mod h1:Bas0XQ+Jiu/Xm5E33jC8sES3G+iC2esHBMXcq0fUPs0=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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@@ -656,6 +659,8 @@ github.com/envoyproxy/protoc-gen-validate v0.9.1/go.mod h1:OKNgG7TCp5pF4d6XftA0+
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@@ -853,9 +858,8 @@ github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
-github.com/vektah/gqlparser/v2 v2.5.11 h1:JJxLtXIoN7+3x6MBdtIP59TP1RANnY7pXOaDnADQSf8=
-github.com/vektah/gqlparser/v2 v2.5.11/go.mod h1:1rCcfwB2ekJofmluGWXMSEnPMZgbxzwj6FaZ/4OT8Cc=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
@@ -878,19 +882,14 @@ go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
 go.opentelemetry.io/proto/otlp v0.15.0/go.mod h1:H7XAot3MsfNsj7EXtrA2q5xSNQ10UqI405h3+duxN4U=
-go.unistack.org/micro-client-http/v3 v3.9.7 h1:1NnlkYA6MYJuUOQxMoSyHwrsw3rwHFQ3VA1/392KqR0=
-go.unistack.org/micro-client-http/v3 v3.9.7/go.mod h1:AvPlXxZ3WeoN0ekc9qb2koAvysW0lc7Jq7z+517u4h8=
-go.unistack.org/micro-codec-yaml/v3 v3.10.0 h1:cnNiWQZ3F+jsCX9DhEHBdIw8CjBItxb+TrKGGdlQ8F8=
-go.unistack.org/micro-codec-yaml/v3 v3.10.0/go.mod h1:UzwC3QZZ6+PgKSudlGZNLkugXzOFkp3sxhs/CctEwBY=
-go.unistack.org/micro-proto/v3 v3.3.1 h1:nQ0MtWvP2G3QrpOgawVOPhpZZYkq6umTGDqs8FxJYIo=
-go.unistack.org/micro-proto/v3 v3.3.1/go.mod h1:cwRyv8uInM2I7EbU7O8Fx2Ls3N90Uw9UCCcq4olOdfE=
-go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
-go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
-go.unistack.org/micro/v3 v3.10.14/go.mod h1:uMAc0U/x7dmtICCrblGf0ZLgYegu3VwQAquu+OFCw1Q=
-go.unistack.org/micro/v3 v3.10.52 h1:6LlAvLLlf+3JLCEQEVNQWi7DXCoI1ocuOqqoEPj5S+k=
-go.unistack.org/micro/v3 v3.10.52/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
-go.unistack.org/micro/v3 v3.10.66 h1:tiG8HnyTC71IZWSC2qT/DmLhJinZJL9qvw+4Fvpm3d4=
-go.unistack.org/micro/v3 v3.10.66/go.mod h1:erMgt3Bl7vQQ0e9UpQyR5NlLiZ9pKeEJ9+1tfYFaqUg=
+go.unistack.org/micro-client-http/v4 v4.1.0 h1:u1YwMmhPaQn0T0m6OSC6MBijHshDpwiNWMNib7KmSj8=
+go.unistack.org/micro-client-http/v4 v4.1.0/go.mod h1:RtddTKxsN5Zc6bzEON6CqpDL/Svfo13QoGXbIO1x3Os=
+go.unistack.org/micro-codec-yaml/v4 v4.1.0 h1:9utR2ka47CDEShbuF7QBAfv0lAFp06pXh77e2Byrt2s=
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+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 v4.1.8 h1:bbqnQ7nzTYNIYt4HhRgmh/++qzwGJvlNbrTOoXzkQiU=
+go.unistack.org/micro/v4 v4.1.8/go.mod h1:b4dr7RFlbpSfSsKCva9UuX4zLtkYQteEK+Uuac39qJE=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -1012,10 +1011,8 @@ golang.org/x/net v0.5.0/go.mod h1:DivGGAXEgPSlEBzxGzZI+ZLohi+xUj054jfeKui00ws=
 golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
-golang.org/x/net v0.22.0 h1:9sGLhx7iRIHEiX0oAJ3MRZMUCElJgy7Br1nO+AMN3Tc=
-golang.org/x/net v0.22.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
-golang.org/x/net v0.24.0 h1:1PcaxkF854Fu3+lvBIx5SYn9wRlBzzcnHZSiaFFAb0w=
-golang.org/x/net v0.24.0/go.mod h1:2Q7sJY5mzlzWjKtYUEXSlBWCdyaioyXzRB2RtU8KVE8=
+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/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -1135,10 +1132,8 @@ golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.4.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.18.0 h1:DBdB3niSjOA/O0blCZBqDefyWNYveAYMNF1Wum0DYQ4=
-golang.org/x/sys v0.18.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.19.0 h1:q5f1RH2jigJ1MoAWp2KTp3gm5zAGFUTarQZ5U386+4o=
-golang.org/x/sys v0.19.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.32.0 h1:s77OFDvIQeibCmezSnk/q6iAfkdiQaJi4VzroCFrN20=
+golang.org/x/sys v0.32.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
@@ -1160,7 +1155,8 @@ golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.6.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
+golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
+golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -1370,7 +1366,6 @@ google.golang.org/genproto v0.0.0-20211118181313-81c1377c94b1/go.mod h1:5CzLGKJ6
 google.golang.org/genproto v0.0.0-20211206160659-862468c7d6e0/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
-google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220126215142-9970aeb2e350/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220207164111-0872dc986b00/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/genproto v0.0.0-20220218161850-94dd64e39d7c/go.mod h1:kGP+zUP2Ddo0ayMi4YuN7C3WZyJvGLZRh8Z5wnAqvEI=
@@ -1445,10 +1440,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20230525234020-1aefcd67740a/go.
 google.golang.org/genproto/googleapis/api v0.0.0-20230525234035-dd9d682886f9/go.mod h1:vHYtlOoi6TsQ3Uk2yxR7NI5z8uoV+3pZtR4jmHIkRig=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234015-3fc162c6f38a/go.mod h1:xURIpW9ES5+/GZhnV6beoEtxQrnkRGIfP5VQG2tCBLc=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20230525234030-28d5490b6b19/go.mod h1:66JfowdXAEgad5O9NnYcsNPLCPZJD++2L9X0PCMODrA=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240314234333-6e1732d8331c h1:lfpJ/2rWPa/kJgxyyXM8PrNnfCzcmxJ265mADgwmvLI=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240314234333-6e1732d8331c/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be h1:LG9vZxsWGOmUKieR8wPAUR3u3MpnYFQZROPIMaXh7/A=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be/go.mod h1:WtryC6hu0hhx87FDGxWCDptyssuo68sk10vYjF+T9fY=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34 h1:h6p3mQqrmT1XkHVTfzLdNz1u7IhINeZkz67/xTbOuWs=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20250428153025-10db94c68c34/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
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@@ -1488,10 +1481,8 @@ google.golang.org/grpc v1.50.1/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCD
 google.golang.org/grpc v1.51.0/go.mod h1:wgNDFcnuBGmxLKI/qn4T+m5BtEBYXJPvibbUPsAIPww=
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-google.golang.org/grpc v1.62.1 h1:B4n+nfKzOICUXMgyrNd19h/I9oH0L1pizfk1d4zSgTk=
-google.golang.org/grpc v1.62.1/go.mod h1:IWTG0VlJLCh1SkC58F7np9ka9mx/WNkjl4PGJaiq+QE=
-google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
-google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/grpc v1.72.0 h1:S7UkcVa60b5AAQTaO6ZKamFp1zMZSU0fGDK2WZLbBnM=
+google.golang.org/grpc v1.72.0/go.mod h1:wH5Aktxcg25y1I3w7H69nHfXdOG3UiadoBtjh3izSDM=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
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@@ -1510,21 +1501,17 @@ google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqw
 google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
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-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
+google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
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-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
@@ -1573,6 +1560,3 @@ rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
-sigs.k8s.io/yaml v1.3.0/go.mod h1:GeOyir5tyXNByN85N/dRIT9es5UQNerPYEKK56eTBm8=
-sigs.k8s.io/yaml v1.4.0 h1:Mk1wCc2gy/F0THH0TAp1QYyJNzRm2KCLy3o5ASXVI5E=
-sigs.k8s.io/yaml v1.4.0/go.mod h1:Ejl7/uTz7PSA4eKMyQCUTnhZYNmLIl+5c2lQPGR2BPY=

handler.go

@@ -6,28 +6,29 @@ import (
 	"io"
 	"net/http"
 	"reflect"
+	"slices"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
-	"go.unistack.org/micro/v3/errors"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/options"
-	"go.unistack.org/micro/v3/register"
-	"go.unistack.org/micro/v3/semconv"
-	"go.unistack.org/micro/v3/server"
-	"go.unistack.org/micro/v3/tracer"
-	rhttp "go.unistack.org/micro/v3/util/http"
-	rflutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/errors"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v4/options"
+	"go.unistack.org/micro/v4/semconv"
+	"go.unistack.org/micro/v4/server"
+	"go.unistack.org/micro/v4/tracer"
+	rhttp "go.unistack.org/micro/v4/util/http"
+	rflutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 var (
 	DefaultErrorHandler = func(ctx context.Context, s server.Handler, w http.ResponseWriter, r *http.Request, err error, status int) {
 		w.WriteHeader(status)
 		if _, cerr := w.Write([]byte(err.Error())); cerr != nil {
-			logger.DefaultLogger.Errorf(ctx, "write failed: %v", cerr)
+			logger.DefaultLogger.Error(ctx, "write error", cerr)
 		}
 	}
 	DefaultContentType = "application/json"
@@ -44,7 +45,6 @@ type httpHandler struct {
 	hd       interface{}
 	handlers *rhttp.Trie
 	name     string
-	eps      []*register.Endpoint
 	sopts    server.Options
 	sync.RWMutex
 }
@@ -57,10 +57,6 @@ func (h *httpHandler) Handler() interface{} {
 	return h.hd
 }
 
-func (h *httpHandler) Endpoints() []*register.Endpoint {
-	return h.eps
-}
-
 func (h *httpHandler) Options() server.HandlerOptions {
 	return h.opts
 }
@@ -114,20 +110,21 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 			md = metadata.New(len(r.Header) + 8)
 		}
 		for k, v := range r.Header {
-			md[k] = strings.Join(v, ", ")
+			md[k] = append(md[k], v...)
 		}
-		md["RemoteAddr"] = r.RemoteAddr
-		md["Method"] = r.Method
-		md["URL"] = r.URL.String()
-		md["Proto"] = r.Proto
-		md["Content-Length"] = fmt.Sprintf("%d", r.ContentLength)
-		md["Transfer-Encoding"] = strings.Join(r.TransferEncoding, ",")
-		md["Host"] = r.Host
-		md["RequestURI"] = r.RequestURI
+
+		md["RemoteAddr"] = append(md["RemoteAddr"], r.RemoteAddr)
+		md["Method"] = append(md["Method"], r.Method)
+		md["URL"] = append(md["URL"], r.URL.String())
+		md["Proto"] = append(md["Proto"], r.Proto)
+		md["Content-Length"] = append(md["Content-Length"], fmt.Sprintf("%d", r.ContentLength))
+		md["Transfer-Encoding"] = append(md["Transfer-Encoding"], r.TransferEncoding...)
+		md["Host"] = append(md["Host"], r.Host)
+		md["RequestURI"] = append(md["RequestURI"], r.RequestURI)
 		if r.TLS != nil {
-			md["TLS"] = "true"
-			md["TLS-ALPN"] = r.TLS.NegotiatedProtocol
-			md["TLS-ServerName"] = r.TLS.ServerName
+			md["TLS"] = append(md["TLS"], "true")
+			md["TLS-ALPN"] = append(md["TLS-ALPN"], r.TLS.NegotiatedProtocol)
+			md["TLS-ServerName"] = append(md["TLS-ServerName"], r.TLS.ServerName)
 		}
 
 		ctx = metadata.NewIncomingContext(ctx, md)
@@ -162,15 +159,14 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 		}
 
 		if !match && h.registerRPC {
-			microMethod, mok := md.Get(metadata.HeaderEndpoint)
-			if mok {
+			for _, microMethod := range md.Get(metadata.HeaderEndpoint) {
 				serviceMethod := strings.Split(microMethod, ".")
 				if len(serviceMethod) == 2 {
 					if shdlr, ok := h.handlers[serviceMethod[0]]; ok {
 						hdlr := shdlr.(*httpHandler)
 						fh, mp, err := hdlr.handlers.Search(http.MethodPost, "/"+microMethod)
 						if err == nil {
-							match = true
+							// match = true
 							for k, v := range mp {
 								matches[k] = v
 							}
@@ -197,8 +193,7 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 
 		cf, err := h.newCodec(ct)
 		if err != nil {
-			w.WriteHeader(http.StatusBadRequest)
-			_, _ = w.Write([]byte(err.Error()))
+			w.WriteHeader(http.StatusUnsupportedMediaType)
 			return
 		}
 
@@ -268,16 +263,16 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 			}
 			if nmd, ok := metadata.FromOutgoingContext(fctx); ok {
 				for k, v := range nmd {
-					md.Set(k, v)
+					md[k] = append(md[k], v...)
 				}
 			}
-			metadata.SetOutgoingContext(ctx, md)
+			ctx = metadata.NewOutgoingContext(ctx, md)
 
 			return err
 		}
 
 		// wrap the handler func
-		h.opts.Hooks.EachNext(func(hook options.Hook) {
+		h.opts.Hooks.EachPrev(func(hook options.Hook) {
 			if h, ok := hook.(server.HookHandler); ok {
 				fn = h(fn)
 			}
@@ -298,7 +293,9 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 		w.Header().Set(metadata.HeaderContentType, ct)
 		if md, ok := metadata.FromOutgoingContext(ctx); ok {
 			for k, v := range md {
-				w.Header().Set(k, v)
+				for i := range v {
+					w.Header().Set(k, v[i])
+				}
 			}
 		}
 		if md := getRspHeader(ctx); md != nil {
@@ -310,7 +307,7 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 		}
 		if nct := w.Header().Get(metadata.HeaderContentType); nct != ct {
 			if cf, err = h.newCodec(nct); err != nil {
-				h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
+				h.errorHandler(ctx, nil, w, r, err, http.StatusInternalServerError)
 				return
 			}
 		}
@@ -331,7 +328,7 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 		}
 
 		if err != nil && handler.sopts.Logger.V(logger.ErrorLevel) {
-			handler.sopts.Logger.Errorf(handler.sopts.Context, "handler err: %v", err)
+			handler.sopts.Logger.Error(handler.sopts.Context, "handler error", err)
 			return
 		}
 
@@ -341,7 +338,7 @@ func (h *Server) HTTPHandlerFunc(handler interface{}) (http.HandlerFunc, error)
 		w.WriteHeader(scode)
 
 		if _, cerr := w.Write(buf); cerr != nil {
-			handler.sopts.Logger.Errorf(ctx, "write failed: %v", cerr)
+			handler.sopts.Logger.Error(ctx, "write failed", cerr)
 		}
 	}, nil
 }
@@ -362,24 +359,26 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		md = metadata.New(len(r.Header) + 8)
 	}
 	for k, v := range r.Header {
-		md[k] = strings.Join(v, ", ")
+		md[k] = append(md[k], v...)
 	}
-	md["RemoteAddr"] = r.RemoteAddr
+
+	md["RemoteAddr"] = append(md["RemoteAddr"], r.RemoteAddr)
 	if r.TLS != nil {
-		md["Scheme"] = "https"
+		md["Scheme"] = append(md["Scheme"], "https")
 	} else {
-		md["Scheme"] = "http"
+		md["Scheme"] = append(md["Scheme"], "http")
 	}
-	md["Method"] = r.Method
-	md["URL"] = r.URL.String()
-	md["Proto"] = r.Proto
-	md["ContentLength"] = fmt.Sprintf("%d", r.ContentLength)
+	md["Method"] = append(md["Method"], r.Method)
+	md["URL"] = append(md["URL"], r.URL.String())
+	md["Proto"] = append(md["Proto"], r.Proto)
+	md["Content-Length"] = append(md["Content-Length"], fmt.Sprintf("%d", r.ContentLength))
 	if len(r.TransferEncoding) > 0 {
-		md["TransferEncoding"] = strings.Join(r.TransferEncoding, ",")
+		md["TransferEncoding"] = append(md["Content-Length"], r.TransferEncoding...)
 	}
-	md["Host"] = r.Host
-	md["RequestURI"] = r.RequestURI
+	md["Host"] = append(md["Host"], r.Host)
+	md["RequestURI"] = append(md["RequestURI"], r.RequestURI)
 	ctx = metadata.NewIncomingContext(ctx, md)
+	ctx = metadata.NewOutgoingContext(ctx, metadata.New(0))
 
 	path := r.URL.Path
 	if !strings.HasPrefix(path, "/") {
@@ -411,8 +410,7 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if !match && h.registerRPC {
-		microMethod, mok := md.Get(metadata.HeaderEndpoint)
-		if mok {
+		for _, microMethod := range md.Get(metadata.HeaderEndpoint) {
 			serviceMethod := strings.Split(microMethod, ".")
 			if len(serviceMethod) == 2 {
 				if shdlr, ok := h.handlers[serviceMethod[0]]; ok {
@@ -426,6 +424,7 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 						hldr = fh.(*patHandler)
 						handler = hdlr
 					}
+
 				}
 			}
 		}
@@ -434,70 +433,109 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	var sp tracer.Span
 	if !match && h.hd != nil {
 		if hdlr, ok := h.hd.Handler().(http.Handler); ok {
-			h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", h.hd.Name()).Inc()
-			ctx, sp = h.opts.Tracer.Start(ctx, h.hd.Name()+" rpc-server",
-				tracer.WithSpanKind(tracer.SpanKindServer),
-				tracer.WithSpanLabels(
-					"endpoint", h.hd.Name(),
-				),
-			)
-			hdlr.ServeHTTP(w, r.WithContext(ctx))
-			n := GetRspCode(ctx)
-			if n > 399 {
-				h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", h.hd.Name(), "status", "success", "code", strconv.Itoa(n)).Inc()
-				if s, _ := sp.Status(); s != tracer.SpanStatusError {
-					sp.SetStatus(tracer.SpanStatusError, http.StatusText(n))
-				}
-			} else {
-				h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", h.hd.Name(), "status", "failure", "code", strconv.Itoa(n)).Inc()
+			endpointName := fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name)
+			if !slices.Contains(tracer.DefaultSkipEndpoints, endpointName) {
+				ctx, sp = h.opts.Tracer.Start(ctx, "rpc-server",
+					tracer.WithSpanKind(tracer.SpanKindServer),
+					tracer.WithSpanLabels(
+						"endpoint", endpointName,
+					),
+				)
+				defer func() {
+					n := GetRspCode(ctx)
+					if s, _ := sp.Status(); s != tracer.SpanStatusError && n > 399 {
+						sp.SetStatus(tracer.SpanStatusError, http.StatusText(n))
+					}
+					sp.Finish()
+				}()
 			}
-			te := time.Since(ts)
-			h.opts.Meter.Summary(semconv.ServerRequestLatencyMicroseconds, "endpoint", h.hd.Name()).Update(te.Seconds())
-			h.opts.Meter.Histogram(semconv.ServerRequestDurationSeconds, "endpoint", h.hd.Name()).Update(te.Seconds())
-			h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", h.hd.Name()).Dec()
-			sp.Finish()
+
+			if !slices.Contains(meter.DefaultSkipEndpoints, endpointName) {
+				h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", endpointName, "server", "http").Inc()
+
+				defer func() {
+					n := GetRspCode(ctx)
+					if n > 399 {
+						h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", endpointName, "server", "http", "status", "success", "code", strconv.Itoa(n)).Inc()
+					} else {
+						h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", endpointName, "server", "http", "status", "failure", "code", strconv.Itoa(n)).Inc()
+					}
+					te := time.Since(ts)
+					h.opts.Meter.Summary(semconv.ServerRequestLatencyMicroseconds, "endpoint", endpointName, "server", "http").Update(te.Seconds())
+					h.opts.Meter.Histogram(semconv.ServerRequestDurationSeconds, "endpoint", endpointName, "server", "http").Update(te.Seconds())
+					h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", endpointName, "server", "http").Dec()
+				}()
+			}
+
+			hdlr.ServeHTTP(w, r.WithContext(ctx))
 			return
 		}
 	} else if !match {
 		// check for http.HandlerFunc handlers
-		ctx, sp = h.opts.Tracer.Start(ctx, r.URL.Path+" rpc-server",
-			tracer.WithSpanKind(tracer.SpanKindServer),
-			tracer.WithSpanLabels(
-				"endpoint", r.URL.Path,
-			),
-		)
+		if !slices.Contains(tracer.DefaultSkipEndpoints, r.URL.Path) {
+			ctx, sp = h.opts.Tracer.Start(ctx, "rpc-server",
+				tracer.WithSpanKind(tracer.SpanKindServer),
+				tracer.WithSpanLabels(
+					"endpoint", r.URL.Path,
+					"server", "http",
+				),
+			)
+
+			defer func() {
+				if n := GetRspCode(ctx); n > 399 {
+					sp.SetStatus(tracer.SpanStatusError, http.StatusText(n))
+				} else {
+					sp.SetStatus(tracer.SpanStatusError, http.StatusText(http.StatusNotFound))
+				}
+				sp.Finish()
+			}()
+		}
 		if ph, _, err := h.pathHandlers.Search(r.Method, r.URL.Path); err == nil {
 			ph.(http.HandlerFunc)(w, r.WithContext(ctx))
-			if n := GetRspCode(ctx); n > 399 {
-				sp.SetStatus(tracer.SpanStatusError, http.StatusText(n))
-			}
-			sp.Finish()
 			return
 		}
 		h.errorHandler(ctx, nil, w, r, fmt.Errorf("not matching route found"), http.StatusNotFound)
 		return
 	}
 
-	ctx, sp = h.opts.Tracer.Start(ctx, handler.name+" rpc-server",
+	endpointName := fmt.Sprintf("%s.%s", hldr.name, hldr.mtype.method.Name)
+
+	topts := []tracer.SpanOption{
 		tracer.WithSpanKind(tracer.SpanKindServer),
 		tracer.WithSpanLabels(
-			"endpoint", handler.name,
+			"endpoint", endpointName,
+			"server", "http",
 		),
-	)
-	defer func() {
-		te := time.Since(ts)
-		h.opts.Meter.Summary(semconv.ServerRequestLatencyMicroseconds, "endpoint", handler.name).Update(te.Seconds())
-		h.opts.Meter.Histogram(semconv.ServerRequestDurationSeconds, "endpoint", handler.name).Update(te.Seconds())
-		h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", handler.name).Dec()
+	}
 
+	if slices.Contains(tracer.DefaultSkipEndpoints, endpointName) {
+		topts = append(topts, tracer.WithSpanRecord(false))
+	}
+
+	ctx, sp = h.opts.Tracer.Start(ctx, "rpc-server", topts...)
+
+	if !slices.Contains(meter.DefaultSkipEndpoints, handler.name) {
+		defer func() {
+			te := time.Since(ts)
+			h.opts.Meter.Summary(semconv.ServerRequestLatencyMicroseconds, "endpoint", handler.name, "server", "http").Update(te.Seconds())
+			h.opts.Meter.Histogram(semconv.ServerRequestDurationSeconds, "endpoint", handler.name, "server", "http").Update(te.Seconds())
+			h.opts.Meter.Counter(semconv.ServerRequestInflight, "endpoint", handler.name, "server", "http").Dec()
+
+			n := GetRspCode(ctx)
+			if n > 399 {
+				h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", handler.name, "server", "http", "status", "failure", "code", strconv.Itoa(n)).Inc()
+			} else {
+				h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", handler.name, "server", "http", "status", "success", "code", strconv.Itoa(n)).Inc()
+			}
+		}()
+	}
+
+	defer func() {
 		n := GetRspCode(ctx)
 		if n > 399 {
 			if s, _ := sp.Status(); s != tracer.SpanStatusError {
 				sp.SetStatus(tracer.SpanStatusError, http.StatusText(n))
 			}
-			h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", handler.name, "status", "failure", "code", strconv.Itoa(n)).Inc()
-		} else {
-			h.opts.Meter.Counter(semconv.ServerRequestTotal, "endpoint", handler.name, "status", "success", "code", strconv.Itoa(n)).Inc()
 		}
 		sp.Finish()
 	}()
@@ -548,6 +586,7 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	if r.Body != nil {
 		var buf []byte
 		buf, err = io.ReadAll(r.Body)
+		r.Body.Close()
 		if err != nil && err != io.EOF {
 			h.errorHandler(ctx, handler, w, r, err, http.StatusInternalServerError)
 			return
@@ -592,10 +631,10 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		}
 		if nmd, ok := metadata.FromOutgoingContext(fctx); ok {
 			for k, v := range nmd {
-				md.Set(k, v)
+				md[k] = append(md[k], v...)
 			}
 		}
-		metadata.SetOutgoingContext(ctx, md)
+		ctx = metadata.NewOutgoingContext(ctx, md)
 
 		if err != nil && sp != nil {
 			sp.SetStatus(tracer.SpanStatusError, err.Error())
@@ -604,7 +643,7 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return err
 	}
 
-	h.opts.Hooks.EachNext(func(hook options.Hook) {
+	h.opts.Hooks.EachPrev(func(hook options.Hook) {
 		if h, ok := hook.(server.HookHandler); ok {
 			fn = h(fn)
 		}
@@ -625,7 +664,9 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	w.Header().Set(metadata.HeaderContentType, ct)
 	if md, ok := metadata.FromOutgoingContext(ctx); ok {
 		for k, v := range md {
-			w.Header().Set(k, v)
+			for i := range v {
+				w.Header().Set(k, v[i])
+			}
 		}
 	}
 	if md := getRspHeader(ctx); md != nil {
@@ -637,7 +678,7 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 	if nct := w.Header().Get(metadata.HeaderContentType); nct != ct {
 		if cf, err = h.newCodec(nct); err != nil {
-			h.errorHandler(ctx, nil, w, r, err, http.StatusBadRequest)
+			h.errorHandler(ctx, nil, w, r, err, http.StatusInternalServerError)
 			return
 		}
 	}
@@ -657,14 +698,15 @@ func (h *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		buf, err = cf.Marshal(replyv.Interface())
 	}
 
-	if err != nil && handler.sopts.Logger.V(logger.ErrorLevel) {
-		handler.sopts.Logger.Error(handler.sopts.Context, "handler error", err)
-		return
-	}
-
-	if nscode := GetRspCode(ctx); nscode != 0 {
+	if err != nil {
+		if handler.sopts.Logger.V(logger.ErrorLevel) {
+			handler.sopts.Logger.Error(handler.sopts.Context, "handler error", err)
+		}
+		scode = http.StatusInternalServerError
+	} else if nscode := GetRspCode(ctx); nscode != 0 {
 		scode = nscode
 	}
+
 	w.WriteHeader(scode)
 
 	if _, cerr := w.Write(buf); cerr != nil {

handler/generate.go

@@ -2,11 +2,11 @@ package handler
 
 import (
 	// import required packages
-	_ "go.unistack.org/micro-proto/v3/openapiv3"
+	_ "go.unistack.org/micro-proto/v4/openapiv3"
 )
 
 //go:generate sh -c "curl -L https://github.com/swagger-api/swagger-ui/archive/refs/tags/v4.18.3.zip -o - | bsdtar -C swagger-ui --strip-components=2 -xv swagger-ui-4.18.3/dist && rm swagger-ui/*.map swagger-ui/*-es-*.js swagger-ui/swagger-ui.js swagger-ui/swagger-initializer.js"
 
-//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v3) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./meter/meter.proto"
+//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v4) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./meter/meter.proto"
 
-//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v3) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./health/health.proto"
+//go:generate sh -c "protoc -I./ -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v4) --go-micro_out='components=micro|http|server',standalone=false,debug=true,paths=source_relative:./ ./health/health.proto"

handler/graphql/graphql.go

@@ -7,8 +7,8 @@ import (
 	"fmt"
 
 	"github.com/99designs/gqlgen/graphql"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/store"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/store"
 )
 
 var _ graphql.Cache = (*cacheWrapper)(nil)

handler/health/health.go

@@ -3,8 +3,8 @@ package health_handler
 import (
 	"context"
 
-	codecpb "go.unistack.org/micro-proto/v3/codec"
-	"go.unistack.org/micro/v3/errors"
+	codecpb "go.unistack.org/micro-proto/v4/codec"
+	"go.unistack.org/micro/v4/errors"
 )
 
 var _ HealthServiceServer = &Handler{}
@@ -13,15 +13,30 @@ type Handler struct {
 	opts Options
 }
 
-type CheckFunc func(context.Context) error
+type (
+	CheckFunc func(context.Context) error
+	Option    func(*Options)
+)
 
-type Option func(*Options)
+type Stater interface {
+	Live() bool
+	Ready() bool
+	Health() bool
+}
 
 type Options struct {
-	Version     string
-	Name        string
-	LiveChecks  []CheckFunc
-	ReadyChecks []CheckFunc
+	Version      string
+	Name         string
+	Staters      []Stater
+	LiveChecks   []CheckFunc
+	ReadyChecks  []CheckFunc
+	HealthChecks []CheckFunc
+}
+
+func Service(s ...Stater) Option {
+	return func(o *Options) {
+		o.Staters = append(o.Staters, s...)
+	}
 }
 
 func LiveChecks(fns ...CheckFunc) Option {
@@ -36,6 +51,12 @@ func ReadyChecks(fns ...CheckFunc) Option {
 	}
 }
 
+func HealthChecks(fns ...CheckFunc) Option {
+	return func(o *Options) {
+		o.HealthChecks = append(o.HealthChecks, fns...)
+	}
+}
+
 func Name(name string) Option {
 	return func(o *Options) {
 		o.Name = name
@@ -56,18 +77,51 @@ func NewHandler(opts ...Option) *Handler {
 	return &Handler{opts: options}
 }
 
+func (h *Handler) Healthy(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
+	var err error
+
+	for _, s := range h.opts.Staters {
+		if !s.Health() {
+			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
+		}
+	}
+
+	for _, fn := range h.opts.HealthChecks {
+		if err = fn(ctx); err != nil {
+			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
+		}
+	}
+
+	return nil
+}
+
 func (h *Handler) Live(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
 	var err error
+
+	for _, s := range h.opts.Staters {
+		if !s.Live() {
+			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
+		}
+	}
+
 	for _, fn := range h.opts.LiveChecks {
 		if err = fn(ctx); err != nil {
 			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
 		}
 	}
+
 	return nil
 }
 
 func (h *Handler) Ready(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
 	var err error
+
+	for _, s := range h.opts.Staters {
+		if !s.Ready() {
+			return errors.ServiceUnavailable(h.opts.Name, "%v", err)
+		}
+	}
+
 	for _, fn := range h.opts.ReadyChecks {
 		if err = fn(ctx); err != nil {
 			return errors.ServiceUnavailable(h.opts.Name, "%v", err)

handler/health/health.proto

@@ -1,13 +1,29 @@
 syntax = "proto3";
 
-package micro.server.http.v3.handler.health;
-option go_package = "go.unistack.org/micro-server-http/v3/handler/health;health_handler";
+package micro.server.http.v4.handler.health;
+option go_package = "go.unistack.org/micro-server-http/v4/handler/health;health_handler";
 
 import "api/annotations.proto";
 import "openapiv3/annotations.proto";
 import "codec/frame.proto";
 
 service HealthService {
+  rpc Healthy(micro.codec.Frame) returns (micro.codec.Frame) {
+		option (micro.openapiv3.openapiv3_operation) = {
+      operation_id: "Healthy";
+      responses: {
+        default: {
+          reference: {
+            _ref: "micro.codec.Frame";
+          };
+        };
+      };
+    };
+		option (micro.api.http) = { 
+      get: "/health";
+      additional_bindings: { get: "/healthz"; }
+    };
+  };
 	rpc Live(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv3.openapiv3_operation) = {
       operation_id: "Live";
@@ -19,7 +35,10 @@ service HealthService {
         };
       };
     };
-		option (micro.api.http) = { get: "/live"; };
+		option (micro.api.http) = { 
+      get: "/live";
+      additional_bindings: { get: "/livez"; }
+    };
   };
 	rpc Ready(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv3.openapiv3_operation) = {
@@ -32,7 +51,9 @@ service HealthService {
         };
       };
     };
-		option (micro.api.http) = { get: "/ready"; };
+		option (micro.api.http) = { get: "/ready";
+      additional_bindings: { get: "/readyz"; }
+    };
   };
 	rpc Version(micro.codec.Frame) returns (micro.codec.Frame) {
 		option (micro.openapiv3.openapiv3_operation) = {

handler/health/health_micro.pb.go

@@ -1,15 +1,15 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-micro v3.10.4
-// - protoc              v5.26.1
+// - protoc-gen-go-micro v4.1.0
+// - protoc              v5.29.3
 // source: health/health.proto
 
 package health_handler
 
 import (
 	context "context"
-	codec "go.unistack.org/micro-proto/v3/codec"
-	client "go.unistack.org/micro/v3/client"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	client "go.unistack.org/micro/v4/client"
 )
 
 var (
@@ -17,12 +17,14 @@ var (
 )
 
 type HealthServiceClient interface {
+	Healthy(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error)
 	Live(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error)
 	Ready(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error)
 	Version(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error)
 }
 
 type HealthServiceServer interface {
+	Healthy(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 	Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 	Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 	Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error

handler/health/health_micro_http.pb.go

@@ -1,21 +1,35 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v3.10.4
+// protoc-gen-go-micro version: v4.1.0
 // source: health/health.proto
 
 package health_handler
 
 import (
 	context "context"
-	v31 "go.unistack.org/micro-client-http/v3"
-	codec "go.unistack.org/micro-proto/v3/codec"
-	v3 "go.unistack.org/micro-server-http/v3"
-	client "go.unistack.org/micro/v3/client"
-	server "go.unistack.org/micro/v3/server"
+	v41 "go.unistack.org/micro-client-http/v4"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+	client "go.unistack.org/micro/v4/client"
+	server "go.unistack.org/micro/v4/server"
 	http "net/http"
 )
 
 var (
-	HealthServiceServerEndpoints = []v3.EndpointMetadata{
+	HealthServiceServerEndpoints = []v4.EndpointMetadata{
+		{
+			Name:   "HealthService.Healthy",
+			Path:   "/health",
+			Method: "GET",
+			Body:   "",
+			Stream: false,
+		},
+		{
+			Name:   "HealthService.Healthy",
+			Path:   "/healthz",
+			Method: "GET",
+			Body:   "",
+			Stream: false,
+		},
 		{
 			Name:   "HealthService.Live",
 			Path:   "/live",
@@ -23,6 +37,13 @@ var (
 			Body:   "",
 			Stream: false,
 		},
+		{
+			Name:   "HealthService.Live",
+			Path:   "/livez",
+			Method: "GET",
+			Body:   "",
+			Stream: false,
+		},
 		{
 			Name:   "HealthService.Ready",
 			Path:   "/ready",
@@ -30,6 +51,13 @@ var (
 			Body:   "",
 			Stream: false,
 		},
+		{
+			Name:   "HealthService.Ready",
+			Path:   "/readyz",
+			Method: "GET",
+			Body:   "",
+			Stream: false,
+		},
 		{
 			Name:   "HealthService.Version",
 			Path:   "/version",
@@ -49,15 +77,33 @@ func NewHealthServiceClient(name string, c client.Client) HealthServiceClient {
 	return &healthServiceClient{c: c, name: name}
 }
 
+func (c *healthServiceClient) Healthy(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error) {
+	errmap := make(map[string]interface{}, 1)
+	errmap["default"] = &codec.Frame{}
+	opts = append(opts,
+		v41.ErrorMap(errmap),
+	)
+	opts = append(opts,
+		v41.Method(http.MethodGet),
+		v41.Path("/health"),
+	)
+	rsp := &codec.Frame{}
+	err := c.c.Call(ctx, c.c.NewRequest(c.name, "HealthService.Healthy", req), rsp, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return rsp, nil
+}
+
 func (c *healthServiceClient) Live(ctx context.Context, req *codec.Frame, opts ...client.CallOption) (*codec.Frame, error) {
 	errmap := make(map[string]interface{}, 1)
 	errmap["default"] = &codec.Frame{}
 	opts = append(opts,
-		v31.ErrorMap(errmap),
+		v41.ErrorMap(errmap),
 	)
 	opts = append(opts,
-		v31.Method(http.MethodGet),
-		v31.Path("/live"),
+		v41.Method(http.MethodGet),
+		v41.Path("/live"),
 	)
 	rsp := &codec.Frame{}
 	err := c.c.Call(ctx, c.c.NewRequest(c.name, "HealthService.Live", req), rsp, opts...)
@@ -71,11 +117,11 @@ func (c *healthServiceClient) Ready(ctx context.Context, req *codec.Frame, opts
 	errmap := make(map[string]interface{}, 1)
 	errmap["default"] = &codec.Frame{}
 	opts = append(opts,
-		v31.ErrorMap(errmap),
+		v41.ErrorMap(errmap),
 	)
 	opts = append(opts,
-		v31.Method(http.MethodGet),
-		v31.Path("/ready"),
+		v41.Method(http.MethodGet),
+		v41.Path("/ready"),
 	)
 	rsp := &codec.Frame{}
 	err := c.c.Call(ctx, c.c.NewRequest(c.name, "HealthService.Ready", req), rsp, opts...)
@@ -89,11 +135,11 @@ func (c *healthServiceClient) Version(ctx context.Context, req *codec.Frame, opt
 	errmap := make(map[string]interface{}, 1)
 	errmap["default"] = &codec.Frame{}
 	opts = append(opts,
-		v31.ErrorMap(errmap),
+		v41.ErrorMap(errmap),
 	)
 	opts = append(opts,
-		v31.Method(http.MethodGet),
-		v31.Path("/version"),
+		v41.Method(http.MethodGet),
+		v41.Path("/version"),
 	)
 	rsp := &codec.Frame{}
 	err := c.c.Call(ctx, c.c.NewRequest(c.name, "HealthService.Version", req), rsp, opts...)
@@ -107,6 +153,10 @@ type healthServiceServer struct {
 	HealthServiceServer
 }
 
+func (h *healthServiceServer) Healthy(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
+	return h.HealthServiceServer.Healthy(ctx, req, rsp)
+}
+
 func (h *healthServiceServer) Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error {
 	return h.HealthServiceServer.Live(ctx, req, rsp)
 }
@@ -121,6 +171,7 @@ func (h *healthServiceServer) Version(ctx context.Context, req *codec.Frame, rsp
 
 func RegisterHealthServiceServer(s server.Server, sh HealthServiceServer, opts ...server.HandlerOption) error {
 	type healthService interface {
+		Healthy(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 		Live(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 		Ready(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
 		Version(ctx context.Context, req *codec.Frame, rsp *codec.Frame) error
@@ -129,7 +180,6 @@ func RegisterHealthServiceServer(s server.Server, sh HealthServiceServer, opts .
 		healthService
 	}
 	h := &healthServiceServer{sh}
-	var nopts []server.HandlerOption
-	nopts = append(nopts, v3.HandlerEndpoints(HealthServiceServerEndpoints))
-	return s.Handle(s.NewHandler(&HealthService{h}, append(nopts, opts...)...))
+	opts = append(opts, v4.HandlerEndpoints(HealthServiceServerEndpoints))
+	return s.Handle(s.NewHandler(&HealthService{h}, opts...))
 }

handler/meter/meter.go

@@ -8,10 +8,10 @@ import (
 	"strings"
 	"sync"
 
-	codecpb "go.unistack.org/micro-proto/v3/codec"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/meter"
+	codecpb "go.unistack.org/micro-proto/v4/codec"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/meter"
 )
 
 const (
@@ -35,7 +35,7 @@ var bufPool = sync.Pool{
 var _ MeterServiceServer = &Handler{}
 
 type Handler struct {
-	opts Options
+	Options Options
 }
 
 type Option func(*Options)
@@ -81,7 +81,7 @@ func NewOptions(opts ...Option) Options {
 
 func NewHandler(opts ...Option) *Handler {
 	options := NewOptions(opts...)
-	return &Handler{opts: options}
+	return &Handler{Options: options}
 }
 
 func (h *Handler) Metrics(ctx context.Context, req *codecpb.Frame, rsp *codecpb.Frame) error {
@@ -96,7 +96,7 @@ func (h *Handler) Metrics(ctx context.Context, req *codecpb.Frame, rsp *codecpb.
 
 	w := io.Writer(buf)
 
-	if md, ok := metadata.FromOutgoingContext(ctx); gzipAccepted(md) && ok && !h.opts.DisableCompress {
+	if md, ok := metadata.FromOutgoingContext(ctx); gzipAccepted(md) && ok && !h.Options.DisableCompress {
 		omd, _ := metadata.FromOutgoingContext(ctx)
 		omd.Set(contentEncodingHeader, "gzip")
 		gz := gzipPool.Get().(*gzip.Writer)
@@ -109,7 +109,7 @@ func (h *Handler) Metrics(ctx context.Context, req *codecpb.Frame, rsp *codecpb.
 		gz.Flush()
 	}
 
-	if err := h.opts.Meter.Write(w, h.opts.MeterOptions...); err != nil {
+	if err := h.Options.Meter.Write(w, h.Options.MeterOptions...); err != nil {
 		log.Error(ctx, "http/meter write failed", err)
 		return nil
 	}
@@ -125,8 +125,11 @@ func gzipAccepted(md metadata.Metadata) bool {
 	if !ok {
 		return false
 	}
-	if strings.Contains(a, "gzip") {
-		return true
+	for i := range a {
+		if strings.Contains(a[i], "gzip") {
+			return true
+		}
 	}
+
 	return false
 }

handler/meter/meter.proto

@@ -1,7 +1,7 @@
 syntax = "proto3";
 
 package micro.server.http.v3.handler.meter;
-option go_package = "go.unistack.org/micro-server-http/v3/handler/meter;meter_handler";
+option go_package = "go.unistack.org/micro-server-http/v4/handler/meter;meter_handler";
 
 import "api/annotations.proto";
 import "openapiv3/annotations.proto";

handler/meter/meter_micro.pb.go

@@ -1,15 +1,15 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
 // versions:
-// - protoc-gen-go-micro v3.10.4
-// - protoc              v5.26.1
+// - protoc-gen-go-micro v4.1.0
+// - protoc              v5.29.3
 // source: meter/meter.proto
 
 package meter_handler
 
 import (
 	context "context"
-	codec "go.unistack.org/micro-proto/v3/codec"
-	client "go.unistack.org/micro/v3/client"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	client "go.unistack.org/micro/v4/client"
 )
 
 var (

handler/meter/meter_micro_http.pb.go

@@ -1,21 +1,21 @@
 // Code generated by protoc-gen-go-micro. DO NOT EDIT.
-// protoc-gen-go-micro version: v3.10.4
+// protoc-gen-go-micro version: v4.1.0
 // source: meter/meter.proto
 
 package meter_handler
 
 import (
 	context "context"
-	v31 "go.unistack.org/micro-client-http/v3"
-	codec "go.unistack.org/micro-proto/v3/codec"
-	v3 "go.unistack.org/micro-server-http/v3"
-	client "go.unistack.org/micro/v3/client"
-	server "go.unistack.org/micro/v3/server"
+	v41 "go.unistack.org/micro-client-http/v4"
+	codec "go.unistack.org/micro-proto/v4/codec"
+	v4 "go.unistack.org/micro-server-http/v4"
+	client "go.unistack.org/micro/v4/client"
+	server "go.unistack.org/micro/v4/server"
 	http "net/http"
 )
 
 var (
-	MeterServiceServerEndpoints = []v3.EndpointMetadata{
+	MeterServiceServerEndpoints = []v4.EndpointMetadata{
 		{
 			Name:   "MeterService.Metrics",
 			Path:   "/metrics",
@@ -39,11 +39,11 @@ func (c *meterServiceClient) Metrics(ctx context.Context, req *codec.Frame, opts
 	errmap := make(map[string]interface{}, 1)
 	errmap["default"] = &codec.Frame{}
 	opts = append(opts,
-		v31.ErrorMap(errmap),
+		v41.ErrorMap(errmap),
 	)
 	opts = append(opts,
-		v31.Method(http.MethodGet),
-		v31.Path("/metrics"),
+		v41.Method(http.MethodGet),
+		v41.Path("/metrics"),
 	)
 	rsp := &codec.Frame{}
 	err := c.c.Call(ctx, c.c.NewRequest(c.name, "MeterService.Metrics", req), rsp, opts...)
@@ -69,7 +69,6 @@ func RegisterMeterServiceServer(s server.Server, sh MeterServiceServer, opts ...
 		meterService
 	}
 	h := &meterServiceServer{sh}
-	var nopts []server.HandlerOption
-	nopts = append(nopts, v3.HandlerEndpoints(MeterServiceServerEndpoints))
-	return s.Handle(s.NewHandler(&MeterService{h}, append(nopts, opts...)...))
+	opts = append(opts, v4.HandlerEndpoints(MeterServiceServerEndpoints))
+	return s.Handle(s.NewHandler(&MeterService{h}, opts...))
 }

handler/spa/spa.go

@@ -0,0 +1,19 @@
+package spa
+
+import (
+	"io/fs"
+	"net/http"
+	"strings"
+)
+
+// Handler serve files from dir and redirect to index if file not exists
+var Handler = func(prefix string, dir fs.FS) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		f := http.StripPrefix(prefix, http.FileServer(http.FS(dir)))
+		if _, err := fs.Stat(dir, strings.TrimPrefix(r.RequestURI, prefix)); err != nil {
+			r.RequestURI = prefix
+			r.URL.Path = prefix
+		}
+		f.ServeHTTP(w, r)
+	}
+}

handler/swagger/swagger.go

@@ -4,8 +4,8 @@ import (
 	"io/fs"
 	"net/http"
 
-	yamlcodec "go.unistack.org/micro-codec-yaml/v3"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	yamlcodec "go.unistack.org/micro-codec-yaml/v4"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 // Handler append to generated swagger data from dst map[string]interface{}

handler_test.go

@@ -0,0 +1,11 @@
+package http
+
+import (
+	"context"
+	"testing"
+)
+
+func TestHandler(t *testing.T) {
+	ctx := context.WithValue(context.TODO(), rspCodeKey{}, &rspCodeVal{})
+	SetRspCode(ctx, 404)
+}

http.go

@@ -9,17 +9,16 @@ import (
 	"net"
 	"net/http"
 	"reflect"
-	"sort"
 	"strings"
 	"sync"
+	"sync/atomic"
 	"time"
 
-	"go.unistack.org/micro/v3/broker"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/logger"
-	"go.unistack.org/micro/v3/register"
-	"go.unistack.org/micro/v3/server"
-	rhttp "go.unistack.org/micro/v3/util/http"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/logger"
+	"go.unistack.org/micro/v4/register"
+	"go.unistack.org/micro/v4/server"
+	rhttp "go.unistack.org/micro/v4/util/http"
 	"golang.org/x/net/netutil"
 )
 
@@ -30,10 +29,12 @@ type Server struct {
 	rsvc         *register.Service
 	handlers     map[string]server.Handler
 	exit         chan chan error
-	subscribers  map[*httpSubscriber][]broker.Subscriber
 	errorHandler func(context.Context, server.Handler, http.ResponseWriter, *http.Request, error, int)
 	pathHandlers *rhttp.Trie
 	opts         server.Options
+	stateLive    *atomic.Uint32
+	stateReady   *atomic.Uint32
+	stateHealth  *atomic.Uint32
 	registerRPC  bool
 	sync.RWMutex
 	registered bool
@@ -117,10 +118,7 @@ func (h *Server) Init(opts ...server.Option) error {
 		h.RUnlock()
 		return err
 	}
-	if err := h.opts.Transport.Init(); err != nil {
-		h.RUnlock()
-		return err
-	}
+
 	h.RUnlock()
 
 	h.Lock()
@@ -162,16 +160,7 @@ func (h *Server) Handle(handler server.Handler) error {
 func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
 	options := server.NewHandlerOptions(opts...)
 
-	eps := make([]*register.Endpoint, 0, len(options.Metadata))
-	for name, metadata := range options.Metadata {
-		eps = append(eps, &register.Endpoint{
-			Name:     name,
-			Metadata: metadata,
-		})
-	}
-
 	hdlr := &httpHandler{
-		eps:      eps,
 		hd:       handler,
 		opts:     options,
 		sopts:    h.opts,
@@ -180,17 +169,6 @@ func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) s
 
 	tp := reflect.TypeOf(handler)
 
-	/*
-		if len(options.Metadata) == 0 {
-			if h.registerRPC {
-				h.opts.Logger.Infof(h.opts.Context, "register rpc handler for http.MethodPost %s /%s", hn, hn)
-				if err := hdlr.handlers.Insert([]string{http.MethodPost}, "/"+hn, pth); err != nil {
-					h.opts.Logger.Errorf(h.opts.Context, "cant add rpc handler for http.MethodPost %s /%s", hn, hn)
-				}
-			}
-		}
-	*/
-
 	registerCORS := false
 	if v, ok := options.Context.Value(registerCORSHandlerKey{}).(bool); ok && v {
 		registerCORS = true
@@ -215,7 +193,7 @@ func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) s
 
 		mtype, err := prepareEndpoint(method)
 		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Errorf(h.opts.Context, "%v", err)
+			h.opts.Logger.Error(h.opts.Context, "endpoint error", err)
 			continue
 		} else if mtype == nil {
 			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil mtype for %s", mname))
@@ -228,13 +206,16 @@ func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) s
 		pth := &patHandler{mtype: mtype, name: name, rcvr: rcvr}
 		hdlr.name = name
 
-		methods := []string{md["Method"]}
+		methods := md["Method"]
 		if registerCORS {
 			methods = append(methods, http.MethodOptions)
 		}
 
-		if err := hdlr.handlers.Insert(methods, md["Path"], pth); err != nil {
-			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add handler for %v %s", methods, md["Path"]))
+		pattern := md["Path"]
+		for i := len(pattern) - 1; i >= 0; i-- {
+			if err := hdlr.handlers.Insert(methods, pattern[i], pth); err != nil {
+				h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("cant add handler for %v %s: index %d", methods, md["Path"], i))
+			}
 		}
 
 		if h.registerRPC {
@@ -274,7 +255,7 @@ func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) s
 
 		mtype, err := prepareEndpoint(method)
 		if err != nil && h.opts.Logger.V(logger.ErrorLevel) {
-			h.opts.Logger.Errorf(h.opts.Context, "%v", err)
+			h.opts.Logger.Error(h.opts.Context, "prepare endpoint error", err)
 			continue
 		} else if mtype == nil {
 			h.opts.Logger.Error(h.opts.Context, fmt.Sprintf("nil mtype for %s", mname))
@@ -312,41 +293,8 @@ func (h *Server) NewHandler(handler interface{}, opts ...server.HandlerOption) s
 	return hdlr
 }
 
-func (h *Server) NewSubscriber(topic string, handler interface{}, opts ...server.SubscriberOption) server.Subscriber {
-	return newSubscriber(topic, handler, opts...)
-}
-
-func (h *Server) Subscribe(sb server.Subscriber) error {
-	sub, ok := sb.(*httpSubscriber)
-	if !ok {
-		return fmt.Errorf("invalid subscriber: expected *httpSubscriber")
-	}
-	if len(sub.handlers) == 0 {
-		return fmt.Errorf("invalid subscriber: no handler functions")
-	}
-
-	if err := server.ValidateSubscriber(sb); err != nil {
-		return err
-	}
-
-	h.RLock()
-	_, ok = h.subscribers[sub]
-	h.RUnlock()
-	if ok {
-		return fmt.Errorf("subscriber %v already exists", h)
-	}
-	h.Lock()
-	h.subscribers[sub] = nil
-	h.Unlock()
-	return nil
-}
-
 func (h *Server) Register() error {
-	var eps []*register.Endpoint
 	h.RLock()
-	for _, hdlr := range h.handlers {
-		eps = append(eps, hdlr.Endpoints()...)
-	}
 	rsvc := h.rsvc
 	config := h.opts
 	h.RUnlock()
@@ -363,23 +311,6 @@ func (h *Server) Register() error {
 	if err != nil {
 		return err
 	}
-	service.Nodes[0].Metadata["protocol"] = "http"
-	service.Endpoints = eps
-
-	h.Lock()
-	subscriberList := make([]*httpSubscriber, 0, len(h.subscribers))
-	for e := range h.subscribers {
-		// Only advertise non internal subscribers
-		subscriberList = append(subscriberList, e)
-	}
-	sort.Slice(subscriberList, func(i, j int) bool {
-		return subscriberList[i].topic > subscriberList[j].topic
-	})
-
-	for _, e := range subscriberList {
-		service.Endpoints = append(service.Endpoints, e.Endpoints()...)
-	}
-	h.Unlock()
 
 	h.RLock()
 	registered := h.registered
@@ -410,35 +341,6 @@ func (h *Server) Register() error {
 	return nil
 }
 
-func (h *Server) subscribe() error {
-	config := h.opts
-
-	for sb := range h.subscribers {
-		handler := h.createSubHandler(sb, config)
-		var opts []broker.SubscribeOption
-		if queue := sb.Options().Queue; len(queue) > 0 {
-			opts = append(opts, broker.SubscribeGroup(queue))
-		}
-
-		subCtx := config.Context
-		if cx := sb.Options().Context; cx != nil {
-			subCtx = cx
-		}
-		opts = append(opts, broker.SubscribeContext(subCtx))
-		opts = append(opts, broker.SubscribeAutoAck(sb.Options().AutoAck))
-		opts = append(opts, broker.SubscribeBodyOnly(sb.Options().BodyOnly))
-
-		sub, err := config.Broker.Subscribe(subCtx, sb.Topic(), handler, opts...)
-		if err != nil {
-			h.Unlock()
-			return err
-		}
-		h.subscribers[sb] = []broker.Subscriber{sub}
-	}
-
-	return nil
-}
-
 func (h *Server) Deregister() error {
 	h.RLock()
 	config := h.opts
@@ -467,22 +369,6 @@ func (h *Server) Deregister() error {
 
 	h.registered = false
 
-	subCtx := h.opts.Context
-	for sb, subs := range h.subscribers {
-		if cx := sb.Options().Context; cx != nil {
-			subCtx = cx
-		}
-
-		for _, sub := range subs {
-			config.Logger.Info(config.Context, "Unsubscribing from topic: "+sub.Topic())
-			if err := sub.Unsubscribe(subCtx); err != nil {
-				h.Unlock()
-				config.Logger.Error(config.Context, fmt.Sprintf("failed to unsubscribe topic: %s, error", sb.Topic()), err)
-				return err
-			}
-		}
-		h.subscribers[sb] = nil
-	}
 	h.Unlock()
 	return nil
 }
@@ -569,10 +455,6 @@ func (h *Server) Start() error {
 		}
 	}
 
-	if err := h.subscribe(); err != nil {
-		return err
-	}
-
 	fn := handler
 
 	var hs *http.Server
@@ -592,9 +474,12 @@ func (h *Server) Start() error {
 	}
 
 	go func() {
-		if cerr := hs.Serve(ts); cerr != nil && !errors.Is(cerr, net.ErrClosed) {
+		if cerr := hs.Serve(ts); cerr != nil && !errors.Is(cerr, http.ErrServerClosed) {
 			h.opts.Logger.Error(h.opts.Context, "serve error", cerr)
 		}
+		h.stateLive.Store(0)
+		h.stateReady.Store(0)
+		h.stateHealth.Store(0)
 	}()
 
 	go func() {
@@ -670,6 +555,10 @@ func (h *Server) Start() error {
 		ch <- err
 	}()
 
+	h.stateLive.Store(1)
+	h.stateReady.Store(1)
+	h.stateHealth.Store(1)
+
 	return nil
 }
 
@@ -687,6 +576,18 @@ func (h *Server) Name() string {
 	return h.opts.Name
 }
 
+func (h *Server) Live() bool {
+	return h.stateLive.Load() == 1
+}
+
+func (h *Server) Ready() bool {
+	return h.stateReady.Load() == 1
+}
+
+func (h *Server) Health() bool {
+	return h.stateHealth.Load() == 1
+}
+
 func NewServer(opts ...server.Option) *Server {
 	options := server.NewOptions(opts...)
 	eh := DefaultErrorHandler
@@ -694,9 +595,11 @@ func NewServer(opts ...server.Option) *Server {
 		eh = v
 	}
 	return &Server{
+		stateLive:    &atomic.Uint32{},
+		stateReady:   &atomic.Uint32{},
+		stateHealth:  &atomic.Uint32{},
 		opts:         options,
 		exit:         make(chan chan error),
-		subscribers:  make(map[*httpSubscriber][]broker.Subscriber),
 		errorHandler: eh,
 		pathHandlers: rhttp.NewTrie(),
 	}

message.go

@@ -1,34 +0,0 @@
-package http
-
-import (
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/metadata"
-)
-
-type httpMessage struct {
-	payload     interface{}
-	codec       codec.Codec
-	header      metadata.Metadata
-	topic       string
-	contentType string
-}
-
-func (r *httpMessage) Topic() string {
-	return r.topic
-}
-
-func (r *httpMessage) ContentType() string {
-	return r.contentType
-}
-
-func (r *httpMessage) Header() metadata.Metadata {
-	return r.header
-}
-
-func (r *httpMessage) Body() interface{} {
-	return r.payload
-}
-
-func (r *httpMessage) Codec() codec.Codec {
-	return r.codec
-}

options.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"net/http"
 
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
 // SetError pass error to caller

request.go

@@ -1,20 +1,15 @@
 package http
 
 import (
-	"io"
-
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/server"
 )
 
-var (
-	_ server.Request = &rpcRequest{}
-	_ server.Message = &rpcMessage{}
-)
+var _ server.Request = &rpcRequest{}
 
 type rpcRequest struct {
-	rw          io.ReadWriter
+	// rw          io.ReadWriter
 	payload     interface{}
 	codec       codec.Codec
 	header      metadata.Metadata
@@ -25,14 +20,6 @@ type rpcRequest struct {
 	stream      bool
 }
 
-type rpcMessage struct {
-	payload     interface{}
-	codec       codec.Codec
-	header      metadata.Metadata
-	topic       string
-	contentType string
-}
-
 func (r *rpcRequest) ContentType() string {
 	return r.contentType
 }
@@ -58,11 +45,7 @@ func (r *rpcRequest) Header() metadata.Metadata {
 }
 
 func (r *rpcRequest) Read() ([]byte, error) {
-	f := &codec.Frame{}
-	if err := r.codec.ReadBody(r.rw, f); err != nil {
-		return nil, err
-	}
-	return f.Data, nil
+	return nil, nil
 }
 
 func (r *rpcRequest) Stream() bool {
@@ -72,23 +55,3 @@ func (r *rpcRequest) Stream() bool {
 func (r *rpcRequest) Body() interface{} {
 	return r.payload
 }
-
-func (r *rpcMessage) ContentType() string {
-	return r.contentType
-}
-
-func (r *rpcMessage) Topic() string {
-	return r.topic
-}
-
-func (r *rpcMessage) Body() interface{} {
-	return r.payload
-}
-
-func (r *rpcMessage) Header() metadata.Metadata {
-	return r.header
-}
-
-func (r *rpcMessage) Codec() codec.Codec {
-	return r.codec
-}

server.go

@@ -7,9 +7,11 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"go.unistack.org/micro/v3/server"
+	"go.unistack.org/micro/v4/server"
 )
 
+var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
+
 type methodType struct {
 	ArgType     reflect.Type
 	ReplyType   reflect.Type

subscriber.go

@@ -1,210 +0,0 @@
-package http
-
-import (
-	"bytes"
-	"context"
-	"fmt"
-	"reflect"
-	"strings"
-
-	"go.unistack.org/micro/v3/broker"
-	"go.unistack.org/micro/v3/codec"
-	"go.unistack.org/micro/v3/metadata"
-	"go.unistack.org/micro/v3/options"
-	"go.unistack.org/micro/v3/register"
-	"go.unistack.org/micro/v3/server"
-)
-
-var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
-
-type handler struct {
-	reqType reflect.Type
-	ctxType reflect.Type
-	method  reflect.Value
-}
-
-type httpSubscriber struct {
-	topic      string
-	rcvr       reflect.Value
-	typ        reflect.Type
-	subscriber interface{}
-	handlers   []*handler
-	endpoints  []*register.Endpoint
-	opts       server.SubscriberOptions
-}
-
-func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber {
-	options := server.NewSubscriberOptions(opts...)
-
-	var endpoints []*register.Endpoint
-	var handlers []*handler
-
-	if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func {
-		h := &handler{
-			method: reflect.ValueOf(sub),
-		}
-
-		switch typ.NumIn() {
-		case 1:
-			h.reqType = typ.In(0)
-		case 2:
-			h.ctxType = typ.In(0)
-			h.reqType = typ.In(1)
-		}
-
-		handlers = append(handlers, h)
-		ep := &register.Endpoint{
-			Name:     "Func",
-			Request:  register.ExtractSubValue(typ),
-			Metadata: metadata.New(2),
-		}
-		ep.Metadata.Set("topic", topic)
-		ep.Metadata.Set("subscriber", "true")
-		endpoints = append(endpoints, ep)
-	} else {
-		hdlr := reflect.ValueOf(sub)
-		name := reflect.Indirect(hdlr).Type().Name()
-
-		for m := 0; m < typ.NumMethod(); m++ {
-			method := typ.Method(m)
-			h := &handler{
-				method: method.Func,
-			}
-
-			switch method.Type.NumIn() {
-			case 2:
-				h.reqType = method.Type.In(1)
-			case 3:
-				h.ctxType = method.Type.In(1)
-				h.reqType = method.Type.In(2)
-			}
-
-			handlers = append(handlers, h)
-			ep := &register.Endpoint{
-				Name:     name + "." + method.Name,
-				Request:  register.ExtractSubValue(method.Type),
-				Metadata: metadata.New(2),
-			}
-			ep.Metadata.Set("topic", topic)
-			ep.Metadata.Set("subscriber", "true")
-			endpoints = append(endpoints, ep)
-		}
-	}
-
-	return &httpSubscriber{
-		rcvr:       reflect.ValueOf(sub),
-		typ:        reflect.TypeOf(sub),
-		topic:      topic,
-		subscriber: sub,
-		handlers:   handlers,
-		endpoints:  endpoints,
-		opts:       options,
-	}
-}
-
-func (s *Server) createSubHandler(sb *httpSubscriber, opts server.Options) broker.Handler {
-	return func(p broker.Event) error {
-		msg := p.Message()
-		ct := msg.Header["Content-Type"]
-		cf, err := s.newCodec(ct)
-		if err != nil {
-			return err
-		}
-
-		hdr := metadata.Copy(msg.Header)
-		ctx := metadata.NewIncomingContext(context.Background(), hdr)
-
-		results := make(chan error, len(sb.handlers))
-
-		for i := 0; i < len(sb.handlers); i++ {
-			handler := sb.handlers[i]
-
-			var isVal bool
-			var req reflect.Value
-
-			if handler.reqType.Kind() == reflect.Ptr {
-				req = reflect.New(handler.reqType.Elem())
-			} else {
-				req = reflect.New(handler.reqType)
-				isVal = true
-			}
-			if isVal {
-				req = req.Elem()
-			}
-
-			buf := bytes.NewBuffer(msg.Body)
-
-			if err := cf.ReadHeader(buf, &codec.Message{}, codec.Event); err != nil {
-				return err
-			}
-
-			if err := cf.ReadBody(buf, req.Interface()); err != nil {
-				return err
-			}
-
-			fn := func(ctx context.Context, msg server.Message) error {
-				var vals []reflect.Value
-				if sb.typ.Kind() != reflect.Func {
-					vals = append(vals, sb.rcvr)
-				}
-				if handler.ctxType != nil {
-					vals = append(vals, reflect.ValueOf(ctx))
-				}
-
-				vals = append(vals, reflect.ValueOf(msg.Body()))
-
-				returnValues := handler.method.Call(vals)
-				if err := returnValues[0].Interface(); err != nil {
-					return err.(error)
-				}
-				return nil
-			}
-
-			opts.Hooks.EachNext(func(hook options.Hook) {
-				if h, ok := hook.(server.HookSubHandler); ok {
-					fn = h(fn)
-				}
-			})
-
-			go func() {
-				results <- fn(ctx, &httpMessage{
-					topic:       sb.topic,
-					contentType: ct,
-					payload:     req.Interface(),
-					header:      msg.Header,
-					codec:       cf,
-				})
-			}()
-		}
-
-		var errors []string
-
-		for i := 0; i < len(sb.handlers); i++ {
-			if err := <-results; err != nil {
-				errors = append(errors, err.Error())
-			}
-		}
-
-		if len(errors) > 0 {
-			return fmt.Errorf("subscriber error: %s", strings.Join(errors, "\n"))
-		}
-
-		return nil
-	}
-}
-
-func (s *httpSubscriber) Topic() string {
-	return s.topic
-}
-
-func (s *httpSubscriber) Subscriber() interface{} {
-	return s.subscriber
-}
-
-func (s *httpSubscriber) Endpoints() []*register.Endpoint {
-	return s.endpoints
-}
-
-func (s *httpSubscriber) Options() server.SubscriberOptions {
-	return s.opts
-}

util.go

@@ -5,8 +5,8 @@ import (
 	"net/http"
 	"strings"
 
-	"go.unistack.org/micro/v3/metadata"
-	rutil "go.unistack.org/micro/v3/util/reflect"
+	"go.unistack.org/micro/v4/metadata"
+	rutil "go.unistack.org/micro/v4/util/reflect"
 )
 
 func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption) error {
@@ -15,39 +15,52 @@ func FillRequest(ctx context.Context, req interface{}, opts ...FillRequestOption
 	for _, o := range opts {
 		o(&options)
 	}
+
 	md, ok := metadata.FromIncomingContext(ctx)
 	if !ok {
 		return nil
 	}
 
 	for idx := 0; idx < len(options.headers)/2; idx += 2 {
-		k := http.CanonicalHeaderKey(options.headers[idx])
-		v, ok := md[k]
-		if !ok {
+		k := options.headers[idx]
+		v := md.Get(k)
+		if v == nil {
 			continue
 		}
-		if err = rutil.SetFieldByPath(req, v, k); err != nil {
+
+		if len(v) == 1 {
+			err = rutil.SetFieldByPath(req, v[0], k)
+		} else {
+			err = rutil.SetFieldByPath(req, v, k)
+		}
+		if err != nil {
 			return err
 		}
 	}
 
-	cookies := strings.Split(md["Cookie"], ";")
-	cmd := make(map[string]string, len(cookies))
-	for _, cookie := range cookies {
-		kv := strings.Split(cookie, "=")
-		if len(kv) != 2 {
-			continue
+	cookieVals := md.Get("Cookie")
+	for i := range cookieVals {
+		cookies := strings.Split(cookieVals[i], ";")
+		cmd := make(map[string]string, len(cookies))
+		for _, cookie := range cookies {
+			kv := strings.Split(cookie, "=")
+			if len(kv) != 2 {
+				continue
+			}
+			cmd[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1])
 		}
-		cmd[strings.TrimSpace(kv[0])] = strings.TrimSpace(kv[1])
-	}
-	for idx := 0; idx < len(options.cookies)/2; idx += 2 {
-		k := http.CanonicalHeaderKey(options.cookies[idx])
-		v, ok := cmd[k]
-		if !ok {
-			continue
-		}
-		if err = rutil.SetFieldByPath(req, v, k); err != nil {
-			return err
+		for idx := 0; idx < len(options.cookies)/2; idx += 2 {
+			k := http.CanonicalHeaderKey(options.cookies[idx])
+			v, ok := cmd[k]
+
+			if !ok {
+				continue
+			}
+
+			err = rutil.SetFieldByPath(req, v, k)
+			if err != nil {
+				return err
+			}
 		}
 	}
 

util_test.go

@@ -7,9 +7,53 @@ import (
 	"strings"
 	"testing"
 
-	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v4/metadata"
+	"go.unistack.org/micro/v4/options"
+	"go.unistack.org/micro/v4/server"
 )
 
+func Test_Hook(t *testing.T) {
+	opts := server.Options{}
+
+	var fn server.HandlerFunc = func(fctx context.Context, req server.Request, rsp interface{}) (err error) {
+		// fmt.Println("1")
+		return nil
+	}
+
+	var fn2 server.HandlerWrapper = func(next server.HandlerFunc) server.HandlerFunc {
+		return func(ctx context.Context, req server.Request, rsp interface{}) error {
+			//	fmt.Println("2")
+			return next(ctx, req, rsp)
+		}
+	}
+	var fn3 server.HandlerWrapper = func(next server.HandlerFunc) server.HandlerFunc {
+		return func(ctx context.Context, req server.Request, rsp interface{}) error {
+			// fmt.Println("3")
+			return next(ctx, req, rsp)
+		}
+	}
+	var fn4 server.HandlerWrapper = func(next server.HandlerFunc) server.HandlerFunc {
+		return func(ctx context.Context, req server.Request, rsp interface{}) error {
+			// fmt.Println("4")
+			return next(ctx, req, rsp)
+		}
+	}
+
+	opts.Hooks = append(opts.Hooks, fn2, fn3, fn4)
+
+	opts.Hooks.EachNext(func(hook options.Hook) {
+		if h, ok := hook.(server.HandlerWrapper); ok {
+			// fmt.Printf("h %#+v\n", h)
+			fn = h(fn)
+		}
+	})
+
+	err := fn(nil, nil, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+}
+
 func TestFillrequest(t *testing.T) {
 	md := metadata.New(1)
 	md.Set("ClientID", "xxx")