cleanup deps

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

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# 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/renovate.json

@@ -1,20 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "postUpdateOptions": ["gomodTidy"],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,75 @@
+# 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 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+  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 repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      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@v1
+
+    # 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: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,66 @@
+name: "prautomerge"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  Dependabot-Automerge:
+    runs-on: ubuntu-latest
+    # Contains workaround to execute if dependabot updates the PR by checking for the base branch in the linked PR
+    # The the github.event.workflow_run.event value is 'push' and not 'pull_request'
+    # dont work with multiple workflows when last returns success
+    if: >-
+      github.event.workflow_run.conclusion == 'success'
+      && github.actor == 'dependabot[bot]'
+      && github.event.sender.login == 'dependabot[bot]'
+      && github.event.sender.type == 'Bot'
+      && (github.event.workflow_run.event == 'pull_request'
+          || (github.event.workflow_run.event == 'push' && github.event.workflow_run.pull_requests[0].base.ref == github.event.repository.default_branch ))
+    steps:
+      - name: Approve Changes and Merge changes if label 'dependencies' is set
+        uses: actions/github-script@v5
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          script: |
+            console.log(context.payload.workflow_run);
+            
+            var labelNames = await github.paginate(
+              github.issues.listLabelsOnIssue,
+              {
+                repo: context.repo.repo,
+                owner: context.repo.owner,
+                issue_number: context.payload.workflow_run.pull_requests[0].number,
+              },
+              (response) => response.data.map(
+                (label) => label.name
+              )
+            );
+
+            console.log(labelNames);
+
+            if (labelNames.includes('dependencies')) {
+              console.log('Found label');
+
+              await github.pulls.createReview({
+                repo: context.repo.repo,
+                owner: context.repo.owner,
+                pull_number: context.payload.workflow_run.pull_requests[0].number,
+                event: 'APPROVE'
+              });
+              console.log('Approved PR');
+
+              await github.pulls.merge({
+                repo: context.repo.repo,
+                owner: context.repo.owner,
+                pull_number: context.payload.workflow_run.pull_requests[0].number,
+              });
+
+              console.log('Merged PR');
+            }

.gitignore

@@ -0,0 +1,38 @@
+# Develop tools
+/.vscode/
+/.idea/
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Folders
+_obj
+_test
+_build
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# vim temp files
+*~
+*.swp
+*.swo
+/protoc-gen-go-micro
+

README.md

@@ -1,4 +1,4 @@
-# `protoc-gen-micro`
+# `protoc-gen-go-micro`
 protobuf plugin to generate helper code for micro framework
 
 A generic **code**/script/data generator based on [Protobuf](https://developers.google.com/protocol-buffers/).
@@ -15,11 +15,12 @@ $> protoc --micro_out=debug=true,components="micro|http":. input.proto
 
 | Option                | Default Value | Accepted Values           | Description
 |-----------------------|---------------|---------------------------|-----------------------
+| `tag_path`            | `.`           | `any local path`          | path contains generated protobuf code that needs to be tagged
 | `debug`               | *false*       | `true` or `false`         | if *true*, `protoc` will generate a more verbose output
-| `components`          | `micro`       | `micro rpc http chi gorilla` | some values cant coexists like gorilla/chi or rpc/http, values must be concatinated with pipe symbol
+| `components`          | `micro`       | `micro rpc http chi gorilla client server` | some values can't coexists like gorilla/chi or rpc/http, values must be concatinated with pipe symbol
 
 ## Install
 
 * Install the **go** compiler and tools from https://golang.org/doc/install
 * Install **protoc-gen-go**: `go get google.golang.org/protobuf/cmd/protoc-gen-go`
-* Install **protoc-gen-micro**: `go get github.com/unistack-org/protoc-gen-micro/v3`
+* Install **protoc-gen-go-micro**: `go get github.com/unistack-org/protoc-gen-go-micro/v3`

ast.go

@@ -0,0 +1,170 @@
+package main
+
+import (
+	"go/ast"
+	"go/format"
+	"go/parser"
+	"go/token"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/fatih/structtag"
+	tag_options "go.unistack.org/micro-proto/v3/tag"
+	"google.golang.org/protobuf/compiler/protogen"
+	"google.golang.org/protobuf/proto"
+)
+
+var astFields = make(map[string]map[string]map[string]*structtag.Tags) // map proto file with proto message ast struct
+
+func (g *Generator) astFill(file *protogen.File, message *protogen.Message) error {
+	for _, field := range message.Fields {
+		if field.Desc.Options() == nil {
+			continue
+		}
+		if !proto.HasExtension(field.Desc.Options(), tag_options.E_Tags) {
+			continue
+		}
+
+		opts := proto.GetExtension(field.Desc.Options(), tag_options.E_Tags)
+		if opts != nil {
+			fpath := filepath.Join(g.tagPath, file.GeneratedFilenamePrefix+".pb.go")
+			mp, ok := astFields[fpath]
+			if !ok {
+				mp = make(map[string]map[string]*structtag.Tags)
+			}
+			nmp, ok := mp[message.GoIdent.GoName]
+			if !ok {
+				nmp = make(map[string]*structtag.Tags)
+			}
+			tags, err := structtag.Parse(opts.(string))
+			if err != nil {
+				return err
+			}
+			nmp[field.GoName] = tags
+			mp[message.GoIdent.GoName] = nmp
+			astFields[fpath] = mp
+		}
+	}
+	for _, nmessage := range message.Messages {
+		if err := g.astFill(file, nmessage); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (g *Generator) astGenerate(plugin *protogen.Plugin) error {
+	if g.tagPath == "" {
+		return nil
+	}
+
+	for _, file := range plugin.Files {
+		if !file.Generate {
+			continue
+		}
+		for _, message := range file.Messages {
+			if err := g.astFill(file, message); err != nil {
+				return err
+			}
+		}
+	}
+
+	for file, mp := range astFields {
+		fset := token.NewFileSet()
+		pf, err := parser.ParseFile(fset, file, nil, parser.AllErrors|parser.ParseComments)
+		if err != nil {
+			return err
+		}
+
+		r := retag{}
+		f := func(n ast.Node) ast.Visitor {
+			if r.err != nil {
+				return nil
+			}
+
+			if v, ok := n.(*ast.TypeSpec); ok {
+				r.fields = mp[v.Name.Name]
+				return r
+			}
+
+			return nil
+		}
+
+		ast.Walk(structVisitor{f}, pf)
+
+		if r.err != nil {
+			return err
+		}
+
+		fp, err := os.OpenFile(file, os.O_WRONLY|os.O_TRUNC, os.FileMode(0644))
+		if err != nil {
+			return err
+		}
+		if err = format.Node(fp, fset, pf); err != nil {
+			fp.Close()
+			return err
+		}
+		if err = fp.Close(); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+type retag struct {
+	err    error
+	fields map[string]*structtag.Tags
+}
+
+func (v retag) Visit(n ast.Node) ast.Visitor {
+	if v.err != nil {
+		return nil
+	}
+	if f, ok := n.(*ast.Field); ok {
+		if len(f.Names) == 0 {
+			return nil
+		}
+
+		newTags := v.fields[f.Names[0].String()]
+		if newTags == nil {
+			return nil
+		}
+		if f.Tag == nil {
+			f.Tag = &ast.BasicLit{
+				Kind: token.STRING,
+			}
+		}
+
+		oldTags, err := structtag.Parse(strings.Trim(f.Tag.Value, "`"))
+		if err != nil {
+			v.err = err
+			return nil
+		}
+		for _, t := range newTags.Tags() {
+			oldTags.Set(t)
+		}
+
+		f.Tag.Value = "`" + oldTags.String() + "`"
+
+		return nil
+	}
+
+	return v
+}
+
+type structVisitor struct {
+	visitor func(n ast.Node) ast.Visitor
+}
+
+func (v structVisitor) Visit(n ast.Node) ast.Visitor {
+	if tp, ok := n.(*ast.TypeSpec); ok {
+		if _, ok := tp.Type.(*ast.StructType); ok {
+			ast.Walk(v.visitor(n), n)
+			return nil // This will ensure this struct is no longer traversed
+		}
+	}
+	return v
+}

chi.go

@@ -30,7 +30,9 @@ func (g *Generator) chiGenerate(component string, plugin *protogen.Plugin) error
 		}
 		gfile := plugin.NewGeneratedFile(gname, path)
 
-		gfile.P("// Code generated by protoc-gen-micro")
+		gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
+		gfile.P("// protoc-gen-go-micro version: " + versionComment)
+		gfile.P()
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()
 

example/example.proto

@@ -0,0 +1,44 @@
+syntax = "proto3";
+
+package example;
+
+option go_package = "github.com/unistack-org/protoc-gen-go-micro/v3/example;examplepb";
+
+import "tag/tag.proto";
+import "api/annotations.proto";
+import "openapiv2/annotations.proto";
+import "google/protobuf/wrappers.proto";
+
+service Example {
+	rpc Call(CallReq) returns (CallRsp) {
+		option (micro.openapiv3.openapiv3_operation) = {
+      operation_id: "Call";
+        responses: {
+          key: "default";
+          value: {
+            description: "Error response";
+            schema: {
+              json_schema: {
+                ref: ".example.Error";
+              }
+            }
+          }
+        }
+    };
+		option (micro.api.http) = { post: "/v1/example/call/{name}"; body: "*"; };
+		option (micro.api.micro_method) = { timeout: 5; };
+  };
+};
+
+message CallReq {
+  string name = 1 [(micro.tag.tags) = "xml:\",attr\"" ];
+  string req = 2;
+};
+
+message CallRsp {
+  string rsp = 2;
+};
+
+message Error {
+	string msg = 1;
+};

go.mod

@@ -1,9 +1,13 @@
-module github.com/unistack-org/protoc-gen-micro/v3
+module go.unistack.org/protoc-gen-go-micro/v3
 
 go 1.16
 
 require (
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.2.0
-	google.golang.org/genproto v0.0.0-20210224155714-063164c882e6
-	google.golang.org/protobuf v1.25.0
+	github.com/fatih/structtag v1.2.0
+	go.unistack.org/micro-proto/v3 v3.1.0
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/protobuf v1.27.1
 )
+
+//replace go.unistack.org/micro/v3 => ../micro
+//replace go.unistack.org/micro-proto => ../micro-proto

go.sum

@@ -1,376 +1,13 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
-cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
-cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
-cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
-cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
-cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
-cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
-cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
-cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
-cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
-cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
-cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
-cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
-cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
-cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
-cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
-cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
-dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
-github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
-github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
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 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
-google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
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-google.golang.org/api v0.9.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
-google.golang.org/api v0.13.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
-google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
-google.golang.org/api v0.15.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsbkAI=
-google.golang.org/api v0.17.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
-google.golang.org/api v0.18.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
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-google.golang.org/api v0.20.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
-google.golang.org/api v0.22.0/go.mod h1:BwFmGc8tA3vsd7r/7kR8DY7iEEGSU04BFxCo5jP/sfE=
-google.golang.org/api v0.24.0/go.mod h1:lIXQywCXRcnZPGlsd8NbLnOjtAoL6em04bJ9+z0MncE=
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-google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz5138Fc=
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-google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
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-google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
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-google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
-google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20191115194625-c23dd37a84c9/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20191216164720-4f79533eabd1/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
-google.golang.org/genproto v0.0.0-20191230161307-f3c370f40bfb/go.mod h1:n3cpQtvxv34hfy77yVDNjmbRyujviMdxYliBSkLhpCc=
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-google.golang.org/genproto v0.0.0-20200228133532-8c2c7df3a383/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
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-google.golang.org/genproto v0.0.0-20200430143042-b979b6f78d84/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200511104702-f5ebc3bea380/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
-google.golang.org/genproto v0.0.0-20200515170657-fc4c6c6a6587/go.mod h1:YsZOwe1myG/8QRHRsmBRE1LrgQY60beZKjly0O1fX9U=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
-google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210207032614-bba0dbe2a9ea/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210224155714-063164c882e6 h1:bXUwz2WkXXrXgiLxww3vWmoSHLOGv4ipdPdTvKymcKw=
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-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
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-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
-google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
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-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
-honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
-honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
-rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=

gorilla.go

@@ -30,7 +30,9 @@ func (g *Generator) gorillaGenerate(component string, plugin *protogen.Plugin) e
 		}
 		gfile := plugin.NewGeneratedFile(gname, path)
 
-		gfile.P("// Code generated by protoc-gen-micro")
+		gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
+		gfile.P("// protoc-gen-go-micro version: " + versionComment)
+		gfile.P()
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()
 

http.go

@@ -4,7 +4,7 @@ import (
 	"google.golang.org/protobuf/compiler/protogen"
 )
 
-func (g *Generator) httpGenerate(component string, plugin *protogen.Plugin) error {
+func (g *Generator) httpGenerate(component string, plugin *protogen.Plugin, genClient bool, genServer bool) error {
 	for _, file := range plugin.Files {
 		if !file.Generate {
 			continue
@@ -20,23 +20,34 @@ func (g *Generator) httpGenerate(component string, plugin *protogen.Plugin) erro
 		}
 		gfile := plugin.NewGeneratedFile(gname, path)
 
-		gfile.P("// Code generated by protoc-gen-micro")
-		gfile.P("// source: ", *file.Proto.Name)
+		gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
+		gfile.P("// protoc-gen-go-micro version: " + versionComment)
+		gfile.P("// source: ", file.Proto.GetName())
+		gfile.P()
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()
 
 		gfile.Import(contextPackage)
 		gfile.Import(microApiPackage)
-		gfile.Import(microClientPackage)
-		gfile.Import(microClientHttpPackage)
-		gfile.Import(microServerPackage)
+
+		if genClient {
+			gfile.Import(microClientPackage)
+			gfile.Import(microClientHttpPackage)
+		}
+		if genServer {
+			gfile.Import(microServerPackage)
+		}
 
 		for _, service := range file.Services {
-			generateServiceClient(gfile, service)
-			generateServiceClientMethods(gfile, service, true)
-			generateServiceServer(gfile, service)
-			generateServiceServerMethods(gfile, service)
-			generateServiceRegister(gfile, service)
+			if genClient {
+				generateServiceClient(gfile, service)
+				generateServiceClientMethods(gfile, service, true)
+			}
+			if genServer {
+				generateServiceServer(gfile, service)
+				generateServiceServerMethods(gfile, service)
+				generateServiceRegister(gfile, service)
+			}
 		}
 	}
 

main.go

@@ -6,12 +6,16 @@ import (
 	"strings"
 
 	"google.golang.org/protobuf/compiler/protogen"
+	"google.golang.org/protobuf/types/pluginpb"
 )
 
 var (
-	flagDebug      = flag.Bool("debug", false, "")
-	flagStandalone = flag.Bool("standalone", false, "")
-	flagComponents = flag.String("components", "micro|rpc", "")
+	flagDebug       = flag.Bool("debug", false, "debug output")
+	flagStandalone  = flag.Bool("standalone", false, "generate file to standalone dir")
+	flagComponents  = flag.String("components", "micro|rpc|http|client|server|openapiv3", "specify components to generate")
+	flagTagPath     = flag.String("tag_path", "", "tag rewriting dir")
+	flagOpenapiFile = flag.String("openapi_file", "apidocs.swagger.json", "openapi file name")
+	flagHelp        = flag.Bool("help", false, "display help message")
 )
 
 func main() {
@@ -19,15 +23,24 @@ func main() {
 		ParamFunc: flag.CommandLine.Set,
 	}
 
+	flag.Parse()
+
+	if *flagHelp {
+		flag.PrintDefaults()
+		return
+	}
+
 	g := &Generator{}
 
 	opts.Run(g.Generate)
 }
 
 type Generator struct {
-	components string
-	standalone bool
-	debug      bool
+	components  string
+	standalone  bool
+	debug       bool
+	tagPath     string
+	openapiFile string
 }
 
 func (g *Generator) Generate(plugin *protogen.Plugin) error {
@@ -36,20 +49,43 @@ func (g *Generator) Generate(plugin *protogen.Plugin) error {
 	g.standalone = *flagStandalone
 	g.debug = *flagDebug
 	g.components = *flagComponents
+	g.tagPath = *flagTagPath
+	g.openapiFile = *flagOpenapiFile
+	plugin.SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL)
+
+	var genClient bool
+	var genServer bool
+
+	if strings.Contains(g.components, "server") {
+		genServer = true
+	}
+	if strings.Contains(g.components, "client") {
+		genClient = true
+	}
+	if strings.Contains(g.components, "rpc") || strings.Contains(g.components, "http") {
+		if !genServer && !genClient {
+			genServer = true
+			genClient = true
+		}
+	}
 
 	// Protoc passes a slice of File structs for us to process
 	for _, component := range strings.Split(g.components, "|") {
 		switch component {
+		case "server", "client":
+			continue
 		case "micro":
-			err = g.microGenerate(component, plugin)
+			err = g.microGenerate(component, plugin, genClient, genServer)
 		case "http":
-			err = g.httpGenerate(component, plugin)
+			err = g.httpGenerate(component, plugin, genClient, genServer)
 		case "grpc", "rpc":
-			err = g.rpcGenerate(component, plugin)
+			err = g.rpcGenerate("rpc", plugin, genClient, genServer)
 		case "gorilla":
 			err = g.gorillaGenerate(component, plugin)
 		case "chi":
 			err = g.chiGenerate(component, plugin)
+		case "openapiv3":
+			err = g.openapiv3Generate(component, plugin)
 		default:
 			err = fmt.Errorf("unknown component: %s", component)
 		}
@@ -61,5 +97,10 @@ func (g *Generator) Generate(plugin *protogen.Plugin) error {
 
 	}
 
+	if err = g.astGenerate(plugin); err != nil {
+		plugin.Error(err)
+		return err
+	}
+
 	return nil
 }

micro.go

@@ -4,7 +4,7 @@ import (
 	"google.golang.org/protobuf/compiler/protogen"
 )
 
-func (g *Generator) microGenerate(component string, plugin *protogen.Plugin) error {
+func (g *Generator) microGenerate(component string, plugin *protogen.Plugin, genClient bool, genServer bool) error {
 	for _, file := range plugin.Files {
 		if !file.Generate {
 			continue
@@ -21,22 +21,29 @@ func (g *Generator) microGenerate(component string, plugin *protogen.Plugin) err
 		}
 		gfile := plugin.NewGeneratedFile(gname, path)
 
-		gfile.P("// Code generated by protoc-gen-micro")
-		gfile.P("// source: ", *file.Proto.Name)
+		gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
+		gfile.P("// protoc-gen-go-micro version: " + versionComment)
+		gfile.P("// source: ", file.Proto.GetName())
+		gfile.P()
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()
 
 		gfile.Import(contextPackage)
 		gfile.Import(microApiPackage)
-		gfile.Import(microClientPackage)
-
+		if genClient {
+			gfile.Import(microClientPackage)
+		}
 		// generate services
 		for _, service := range file.Services {
 			generateServiceEndpoints(gfile, service)
-			generateServiceClientInterface(gfile, service)
-			generateServiceClientStreamInterface(gfile, service)
-			generateServiceServerInterface(gfile, service)
-			generateServiceServerStreamInterface(gfile, service)
+			if genClient {
+				generateServiceClientInterface(gfile, service)
+				generateServiceClientStreamInterface(gfile, service)
+			}
+			if genServer {
+				generateServiceServerInterface(gfile, service)
+				generateServiceServerStreamInterface(gfile, service)
+			}
 		}
 
 	}

openapiv3.go

@@ -0,0 +1,673 @@
+// Copyright 2020 Google LLC. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"regexp"
+	"sort"
+	"strings"
+
+	annotations "go.unistack.org/micro-proto/v3/api"
+	v3 "go.unistack.org/micro-proto/v3/openapiv3"
+	"google.golang.org/protobuf/compiler/protogen"
+	jsonpb "google.golang.org/protobuf/encoding/protojson"
+	"google.golang.org/protobuf/proto"
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+type openapiv3Generator struct {
+	plugin *protogen.Plugin
+
+	requiredSchemas   []string // Names of schemas that need to be generated.
+	generatedSchemas  []string // Names of schemas that have already been generated.
+	linterRulePattern *regexp.Regexp
+	namePattern       *regexp.Regexp
+}
+
+func (g *Generator) openapiv3Generate(component string, plugin *protogen.Plugin) error {
+	og := &openapiv3Generator{
+		plugin:            plugin,
+		requiredSchemas:   make([]string, 0),
+		generatedSchemas:  make([]string, 0),
+		linterRulePattern: regexp.MustCompile(`\(-- .* --\)`),
+		namePattern:       regexp.MustCompile("{(.*)=(.*)}"),
+	}
+
+	d := og.buildDocumentV3(plugin)
+
+	bytes, err := (jsonpb.MarshalOptions{Indent: "  "}).Marshal(d)
+	if err != nil {
+		return fmt.Errorf("failed to marshal: %s", err.Error())
+	}
+
+	outputFile := og.plugin.NewGeneratedFile(g.openapiFile, "")
+	if _, err := outputFile.Write(bytes); err != nil {
+		return fmt.Errorf("failed to write: %s", err.Error())
+	}
+
+	return nil
+}
+
+// buildDocumentV3 builds an OpenAPIv3 document for a plugin request.
+func (g *openapiv3Generator) buildDocumentV3(plugin *protogen.Plugin) *v3.Document {
+	d := &v3.Document{}
+	d.Openapi = "3.0.3"
+	d.Info = &v3.Info{
+		Title:       "",
+		Version:     "0.0.1",
+		Description: "",
+	}
+
+	for _, file := range plugin.Files {
+		if !proto.HasExtension(file.Desc.Options(), v3.E_Openapiv3Swagger) {
+			continue
+		}
+
+		ext := proto.GetExtension(file.Desc.Options(), v3.E_Openapiv3Swagger)
+		if ext == nil {
+			continue
+		}
+
+		if doc, ok := ext.(*v3.Document); ok && doc != nil {
+			if doc.Openapi != "" {
+				d.Openapi = doc.Openapi
+			}
+			d.Info = proto.Clone(doc.Info).(*v3.Info)
+			d.Servers = append(d.Servers, doc.Servers...)
+		}
+
+	}
+
+	d.Paths = &v3.Paths{}
+	d.Components = &v3.Components{
+		Schemas: &v3.SchemasOrReferences{
+			AdditionalProperties: []*v3.NamedSchemaOrReference{},
+		},
+	}
+	for _, file := range g.plugin.Files {
+		g.addPathsToDocumentV3(d, file)
+	}
+	for len(g.requiredSchemas) > 0 {
+		count := len(g.requiredSchemas)
+		for _, file := range g.plugin.Files {
+			g.addSchemasToDocumentV3(d, file)
+		}
+		g.requiredSchemas = g.requiredSchemas[count:len(g.requiredSchemas)]
+	}
+	// Sort the paths.
+	{
+		pairs := d.Paths.Path
+		sort.Slice(pairs, func(i, j int) bool {
+			return pairs[i].Name < pairs[j].Name
+		})
+		d.Paths.Path = pairs
+	}
+	// Sort the schemas.
+	{
+		pairs := d.Components.Schemas.AdditionalProperties
+		sort.Slice(pairs, func(i, j int) bool {
+			return pairs[i].Name < pairs[j].Name
+		})
+		d.Components.Schemas.AdditionalProperties = pairs
+	}
+	return d
+}
+
+// filterCommentString removes line breaks and linter rules from comments.
+func (g *openapiv3Generator) filterCommentString(c protogen.Comments) string {
+	comment := string(c)
+	comment = strings.Replace(comment, "\n", "", -1)
+	comment = g.linterRulePattern.ReplaceAllString(comment, "")
+	return strings.TrimSpace(comment)
+}
+
+// addPathsToDocumentV3 adds paths from a specified file descriptor.
+func (g *openapiv3Generator) addPathsToDocumentV3(d *v3.Document, file *protogen.File) {
+	for _, service := range file.Services {
+		comment := g.filterCommentString(service.Comments.Leading)
+		if d.Info.Title == "" {
+			d.Info.Title = service.GoName
+		}
+		if d.Info.Description == "" {
+			d.Info.Description = comment
+		}
+		for _, method := range service.Methods {
+			comment := g.filterCommentString(method.Comments.Leading)
+			inputMessage := method.Input
+			outputMessage := method.Output
+			operationID := service.GoName + "_" + method.GoName
+			eopt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			if eopt != nil && eopt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+				opt := eopt.(*v3.Operation)
+				if opt.OperationId != "" {
+					operationID = opt.OperationId
+				}
+			}
+			xt := annotations.E_Http
+			extension := proto.GetExtension(method.Desc.Options(), xt)
+			var path string
+			var methodName string
+			var body string
+			if extension != nil && extension != xt.InterfaceOf(xt.Zero()) {
+				rule := extension.(*annotations.HttpRule)
+				body = rule.Body
+				switch pattern := rule.Pattern.(type) {
+				case *annotations.HttpRule_Get:
+					path = pattern.Get
+					methodName = "GET"
+				case *annotations.HttpRule_Post:
+					path = pattern.Post
+					methodName = "POST"
+				case *annotations.HttpRule_Put:
+					path = pattern.Put
+					methodName = "PUT"
+				case *annotations.HttpRule_Delete:
+					path = pattern.Delete
+					methodName = "DELETE"
+				case *annotations.HttpRule_Patch:
+					path = pattern.Patch
+					methodName = "PATCH"
+				case *annotations.HttpRule_Custom:
+					path = "custom-unsupported"
+				default:
+					path = "unknown-unsupported"
+				}
+			}
+			if methodName != "" {
+				op, path2 := g.buildOperationV3(
+					file, method, operationID, comment, path, body, inputMessage, outputMessage)
+				g.addOperationV3(d, op, path2, methodName)
+			}
+		}
+	}
+}
+
+// buildOperationV3 constructs an operation for a set of values.
+func (g *openapiv3Generator) buildOperationV3(
+	file *protogen.File,
+	method *protogen.Method,
+	operationID string,
+	description string,
+	path string,
+	bodyField string,
+	inputMessage *protogen.Message,
+	outputMessage *protogen.Message,
+) (*v3.Operation, string) {
+	// coveredParameters tracks the parameters that have been used in the body or path.
+	coveredParameters := make([]string, 0)
+	if bodyField != "" {
+		coveredParameters = append(coveredParameters, bodyField)
+	}
+	// Initialize the list of operation parameters.
+	parameters := []*v3.ParameterOrReference{}
+	// Build a list of header parameters.
+	eopt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+	if eopt != nil && eopt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+		opt := eopt.(*v3.Operation)
+		parameters = append(parameters, opt.Parameters...)
+	}
+
+	// Build a list of path parameters.
+	pathParameters := make([]string, 0)
+	if matches := g.namePattern.FindStringSubmatch(path); matches != nil {
+		// Add the "name=" "name" value to the list of covered parameters.
+		coveredParameters = append(coveredParameters, matches[1])
+		// Convert the path from the starred form to use named path parameters.
+		starredPath := matches[2]
+		parts := strings.Split(starredPath, "/")
+		// The starred path is assumed to be in the form "things/*/otherthings/*".
+		// We want to convert it to "things/{thing}/otherthings/{otherthing}".
+		for i := 0; i < len(parts)-1; i += 2 {
+			section := parts[i]
+			parameter := singular(section)
+			parts[i+1] = "{" + parameter + "}"
+			pathParameters = append(pathParameters, parameter)
+		}
+		// Rewrite the path to use the path parameters.
+		newPath := strings.Join(parts, "/")
+		path = strings.Replace(path, matches[0], newPath, 1)
+	}
+	// Add the path parameters to the operation parameters.
+	for _, pathParameter := range pathParameters {
+		parameters = append(parameters,
+			&v3.ParameterOrReference{
+				Oneof: &v3.ParameterOrReference_Parameter{
+					Parameter: &v3.Parameter{
+						Name:        pathParameter,
+						In:          "path",
+						Required:    true,
+						Description: "The " + pathParameter + " id.",
+						Schema: &v3.SchemaOrReference{
+							Oneof: &v3.SchemaOrReference_Schema{
+								Schema: &v3.Schema{
+									Type: "string",
+								},
+							},
+						},
+					},
+				},
+			})
+	}
+	// Add any unhandled fields in the request message as query parameters.
+	if bodyField != "*" {
+		for _, field := range inputMessage.Fields {
+			fieldName := string(field.Desc.Name())
+			if !contains(coveredParameters, fieldName) {
+				// Get the field description from the comments.
+				fieldDescription := g.filterCommentString(field.Comments.Leading)
+				parameters = append(parameters,
+					&v3.ParameterOrReference{
+						Oneof: &v3.ParameterOrReference_Parameter{
+							Parameter: &v3.Parameter{
+								Name:        fieldName,
+								In:          "query",
+								Description: fieldDescription,
+								Required:    false,
+								Schema: &v3.SchemaOrReference{
+									Oneof: &v3.SchemaOrReference_Schema{
+										Schema: &v3.Schema{
+											Type: "string",
+										},
+									},
+								},
+							},
+						},
+					})
+			}
+		}
+	}
+	// Create the response.
+	responses := &v3.Responses{
+		ResponseOrReference: []*v3.NamedResponseOrReference{
+			&v3.NamedResponseOrReference{
+				Name: "200",
+				Value: &v3.ResponseOrReference{
+					Oneof: &v3.ResponseOrReference_Response{
+						Response: &v3.Response{
+							Description: "OK",
+							Content:     g.responseContentForMessage(outputMessage),
+						},
+					},
+				},
+			},
+		},
+	}
+	// Create the operation.
+	op := &v3.Operation{
+		Summary:     description,
+		OperationId: operationID,
+		Parameters:  parameters,
+		Responses:   responses,
+	}
+	// If a body field is specified, we need to pass a message as the request body.
+	if bodyField != "" {
+		var bodyFieldScalarTypeName string
+		var bodyFieldMessageTypeName string
+		if bodyField == "*" {
+			// Pass the entire request message as the request body.
+			bodyFieldMessageTypeName = g.fullMessageTypeName(inputMessage)
+		} else {
+			// If body refers to a message field, use that type.
+			for _, field := range inputMessage.Fields {
+				if string(field.Desc.Name()) == bodyField {
+					switch field.Desc.Kind() {
+					case protoreflect.StringKind:
+						bodyFieldScalarTypeName = "string"
+					case protoreflect.MessageKind:
+						bodyFieldMessageTypeName = g.fullMessageTypeName(field.Message)
+					default:
+						log.Printf("unsupported field type %+v", field.Desc)
+					}
+					break
+				}
+			}
+		}
+		var requestSchema *v3.SchemaOrReference
+		if bodyFieldScalarTypeName != "" {
+			requestSchema = &v3.SchemaOrReference{
+				Oneof: &v3.SchemaOrReference_Schema{
+					Schema: &v3.Schema{
+						Type: bodyFieldScalarTypeName,
+					},
+				},
+			}
+		} else if bodyFieldMessageTypeName != "" {
+			requestSchema = &v3.SchemaOrReference{
+				Oneof: &v3.SchemaOrReference_Reference{
+					Reference: &v3.Reference{
+						XRef: g.schemaReferenceForTypeName(bodyFieldMessageTypeName),
+					},
+				},
+			}
+		}
+		op.RequestBody = &v3.RequestBodyOrReference{
+			Oneof: &v3.RequestBodyOrReference_RequestBody{
+				RequestBody: &v3.RequestBody{
+					Required: true,
+					Content: &v3.MediaTypes{
+						AdditionalProperties: []*v3.NamedMediaType{
+							&v3.NamedMediaType{
+								Name: "application/json",
+								Value: &v3.MediaType{
+									Schema: requestSchema,
+								},
+							},
+						},
+					},
+				},
+			},
+		}
+	}
+	return op, path
+}
+
+// addOperationV3 adds an operation to the specified path/method.
+func (g *openapiv3Generator) addOperationV3(d *v3.Document, op *v3.Operation, path string, methodName string) {
+	var selectedPathItem *v3.NamedPathItem
+	for _, namedPathItem := range d.Paths.Path {
+		if namedPathItem.Name == path {
+			selectedPathItem = namedPathItem
+			break
+		}
+	}
+	// If we get here, we need to create a path item.
+	if selectedPathItem == nil {
+		selectedPathItem = &v3.NamedPathItem{Name: path, Value: &v3.PathItem{}}
+		d.Paths.Path = append(d.Paths.Path, selectedPathItem)
+	}
+	// Set the operation on the specified method.
+	switch methodName {
+	case http.MethodGet:
+		selectedPathItem.Value.Get = op
+	case http.MethodPost:
+		selectedPathItem.Value.Post = op
+	case http.MethodPut:
+		selectedPathItem.Value.Put = op
+	case http.MethodDelete:
+		selectedPathItem.Value.Delete = op
+	case http.MethodPatch:
+		selectedPathItem.Value.Patch = op
+	}
+}
+
+// schemaReferenceForTypeName returns an OpenAPI JSON Reference to the schema that represents a type.
+func (g *openapiv3Generator) schemaReferenceForTypeName(typeName string) string {
+	if !contains(g.requiredSchemas, typeName) {
+		g.requiredSchemas = append(g.requiredSchemas, typeName)
+	}
+	parts := strings.Split(typeName, ".")
+	lastPart := parts[len(parts)-1]
+	return "#/components/schemas/" + lastPart
+}
+
+// itemsItemForTypeName is a helper constructor.
+func (g *openapiv3Generator) itemsItemForTypeName(typeName string) *v3.ItemsItem {
+	return &v3.ItemsItem{SchemaOrReference: []*v3.SchemaOrReference{&v3.SchemaOrReference{
+		Oneof: &v3.SchemaOrReference_Schema{
+			Schema: &v3.Schema{
+				Type: typeName,
+			},
+		},
+	}}}
+}
+
+// itemsItemForReference is a helper constructor.
+func (g *openapiv3Generator) itemsItemForReference(xref string) *v3.ItemsItem {
+	return &v3.ItemsItem{SchemaOrReference: []*v3.SchemaOrReference{&v3.SchemaOrReference{
+		Oneof: &v3.SchemaOrReference_Reference{
+			Reference: &v3.Reference{
+				XRef: xref,
+			},
+		},
+	}}}
+}
+
+// fullMessageTypeName builds the full type name of a message.
+func (g *openapiv3Generator) fullMessageTypeName(message *protogen.Message) string {
+	return "." + string(message.Desc.ParentFile().Package()) + "." + string(message.Desc.Name())
+}
+
+func (g *openapiv3Generator) responseContentForMessage(outputMessage *protogen.Message) *v3.MediaTypes {
+	typeName := g.fullMessageTypeName(outputMessage)
+
+	if typeName == ".google.protobuf.Empty" {
+		return &v3.MediaTypes{}
+	}
+
+	if typeName == ".google.api.HttpBody" || typeName == ".micro.codec.Frame" {
+		return &v3.MediaTypes{
+			AdditionalProperties: []*v3.NamedMediaType{
+				&v3.NamedMediaType{
+					Name:  "application/octet-stream",
+					Value: &v3.MediaType{},
+				},
+			},
+		}
+	}
+
+	return &v3.MediaTypes{
+		AdditionalProperties: []*v3.NamedMediaType{
+			&v3.NamedMediaType{
+				Name: "application/json",
+				Value: &v3.MediaType{
+					Schema: &v3.SchemaOrReference{
+						Oneof: &v3.SchemaOrReference_Reference{
+							Reference: &v3.Reference{
+								XRef: g.schemaReferenceForTypeName(g.fullMessageTypeName(outputMessage)),
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+}
+
+// addSchemasToDocumentV3 adds info from one file descriptor.
+func (g *openapiv3Generator) addSchemasToDocumentV3(d *v3.Document, file *protogen.File) {
+	// For each message, generate a definition.
+	for _, message := range file.Messages {
+		typeName := g.fullMessageTypeName(message)
+		// Only generate this if we need it and haven't already generated it.
+		if !contains(g.requiredSchemas, typeName) ||
+			contains(g.generatedSchemas, typeName) {
+			continue
+		}
+		g.generatedSchemas = append(g.generatedSchemas, typeName)
+		// Get the message description from the comments.
+		messageDescription := g.filterCommentString(message.Comments.Leading)
+		// Build an array holding the fields of the message.
+		definitionProperties := &v3.Properties{
+			AdditionalProperties: make([]*v3.NamedSchemaOrReference, 0),
+		}
+		for _, field := range message.Fields {
+			// Check the field annotations to see if this is a readonly field.
+			outputOnly := false
+			extension := proto.GetExtension(field.Desc.Options(), annotations.E_FieldBehavior)
+			if extension != nil {
+				switch v := extension.(type) {
+				case []annotations.FieldBehavior:
+					for _, vv := range v {
+						if vv == annotations.FieldBehavior_OUTPUT_ONLY {
+							outputOnly = true
+						}
+					}
+				default:
+					log.Printf("unsupported extension type %T", extension)
+				}
+			}
+			// Get the field description from the comments.
+			fieldDescription := g.filterCommentString(field.Comments.Leading)
+			// The field is either described by a reference or a schema.
+			XRef := ""
+			fieldSchema := &v3.Schema{
+				Description: fieldDescription,
+			}
+			if outputOnly {
+				fieldSchema.ReadOnly = true
+			}
+			if field.Desc.IsList() {
+				fieldSchema.Type = "array"
+				switch field.Desc.Kind() {
+				case protoreflect.MessageKind:
+					fieldSchema.Items = g.itemsItemForReference(
+						g.schemaReferenceForTypeName(
+							g.fullMessageTypeName(field.Message)))
+				case protoreflect.StringKind:
+					fieldSchema.Items = g.itemsItemForTypeName("string")
+				case protoreflect.Int32Kind,
+					protoreflect.Sint32Kind,
+					protoreflect.Uint32Kind,
+					protoreflect.Int64Kind,
+					protoreflect.Sint64Kind,
+					protoreflect.Uint64Kind,
+					protoreflect.Sfixed32Kind,
+					protoreflect.Fixed32Kind,
+					protoreflect.Sfixed64Kind,
+					protoreflect.Fixed64Kind:
+					fieldSchema.Items = g.itemsItemForTypeName("integer")
+				case protoreflect.EnumKind:
+					fieldSchema.Items = g.itemsItemForTypeName("integer")
+				case protoreflect.BoolKind:
+					fieldSchema.Items = g.itemsItemForTypeName("boolean")
+				case protoreflect.FloatKind, protoreflect.DoubleKind:
+					fieldSchema.Items = g.itemsItemForTypeName("number")
+				case protoreflect.BytesKind:
+					fieldSchema.Items = g.itemsItemForTypeName("string")
+				default:
+					log.Printf("(TODO) Unsupported array type: %+v", g.fullMessageTypeName(field.Message))
+				}
+			} else if field.Desc.IsMap() &&
+				field.Desc.MapKey().Kind() == protoreflect.StringKind &&
+				field.Desc.MapValue().Kind() == protoreflect.StringKind {
+				fieldSchema.Type = "object"
+			} else {
+				k := field.Desc.Kind()
+				switch k {
+				case protoreflect.MessageKind:
+					typeName := g.fullMessageTypeName(field.Message)
+					switch typeName {
+					case ".google.protobuf.Timestamp":
+						// Timestamps are serialized as strings
+						fieldSchema.Type = "string"
+						fieldSchema.Format = "RFC3339"
+					case ".google.type.Date":
+						// Dates are serialized as strings
+						fieldSchema.Type = "string"
+						fieldSchema.Format = "date"
+					case ".google.type.DateTime":
+						// DateTimes are serialized as strings
+						fieldSchema.Type = "string"
+						fieldSchema.Format = "date-time"
+					default:
+						// The field is described by a reference.
+						XRef = g.schemaReferenceForTypeName(typeName)
+					}
+				case protoreflect.StringKind:
+					fieldSchema.Type = "string"
+				case protoreflect.Int32Kind,
+					protoreflect.Sint32Kind,
+					protoreflect.Uint32Kind,
+					protoreflect.Int64Kind,
+					protoreflect.Sint64Kind,
+					protoreflect.Uint64Kind,
+					protoreflect.Sfixed32Kind,
+					protoreflect.Fixed32Kind,
+					protoreflect.Sfixed64Kind,
+					protoreflect.Fixed64Kind:
+					fieldSchema.Type = "integer"
+					fieldSchema.Format = k.String()
+				case protoreflect.EnumKind:
+					fieldSchema.Type = "integer"
+					fieldSchema.Format = "enum"
+				case protoreflect.BoolKind:
+					fieldSchema.Type = "boolean"
+				case protoreflect.FloatKind, protoreflect.DoubleKind:
+					fieldSchema.Type = "number"
+					fieldSchema.Format = k.String()
+				case protoreflect.BytesKind:
+					fieldSchema.Type = "string"
+					fieldSchema.Format = "bytes"
+				default:
+					log.Printf("(TODO) Unsupported field type: %+v", g.fullMessageTypeName(field.Message))
+				}
+			}
+			var value *v3.SchemaOrReference
+			if XRef != "" {
+				value = &v3.SchemaOrReference{
+					Oneof: &v3.SchemaOrReference_Reference{
+						Reference: &v3.Reference{
+							XRef: XRef,
+						},
+					},
+				}
+			} else {
+				value = &v3.SchemaOrReference{
+					Oneof: &v3.SchemaOrReference_Schema{
+						Schema: fieldSchema,
+					},
+				}
+			}
+			definitionProperties.AdditionalProperties = append(
+				definitionProperties.AdditionalProperties,
+				&v3.NamedSchemaOrReference{
+					Name:  string(field.Desc.Name()),
+					Value: value,
+				},
+			)
+		}
+		// Add the schema to the components.schema list.
+		d.Components.Schemas.AdditionalProperties = append(d.Components.Schemas.AdditionalProperties,
+			&v3.NamedSchemaOrReference{
+				Name: string(message.Desc.Name()),
+				Value: &v3.SchemaOrReference{
+					Oneof: &v3.SchemaOrReference_Schema{
+						Schema: &v3.Schema{
+							Description: messageDescription,
+							Properties:  definitionProperties,
+						},
+					},
+				},
+			},
+		)
+	}
+}
+
+// contains returns true if an array contains a specified string.
+func contains(s []string, e string) bool {
+	for _, a := range s {
+		if a == e {
+			return true
+		}
+	}
+	return false
+}
+
+// singular produces the singular form of a collection name.
+func singular(plural string) string {
+	if strings.HasSuffix(plural, "ves") {
+		return strings.TrimSuffix(plural, "ves") + "f"
+	}
+	if strings.HasSuffix(plural, "ies") {
+		return strings.TrimSuffix(plural, "ies") + "y"
+	}
+	if strings.HasSuffix(plural, "s") {
+		return strings.TrimSuffix(plural, "s")
+	}
+	return plural
+}

rpc.go

@@ -4,7 +4,7 @@ import (
 	"google.golang.org/protobuf/compiler/protogen"
 )
 
-func (g *Generator) rpcGenerate(component string, plugin *protogen.Plugin) error {
+func (g *Generator) rpcGenerate(component string, plugin *protogen.Plugin, genClient bool, genServer bool) error {
 	for _, file := range plugin.Files {
 		if !file.Generate {
 			continue
@@ -20,22 +20,31 @@ func (g *Generator) rpcGenerate(component string, plugin *protogen.Plugin) error
 		}
 		gfile := plugin.NewGeneratedFile(gname, path)
 
-		gfile.P("// Code generated by protoc-gen-micro")
-		gfile.P("// source: ", *file.Proto.Name)
+		gfile.P("// Code generated by protoc-gen-go-micro. DO NOT EDIT.")
+		gfile.P("// protoc-gen-go-micro version: " + versionComment)
+		gfile.P("// source: ", file.Proto.GetName())
+		gfile.P()
 		gfile.P("package ", file.GoPackageName)
 		gfile.P()
 
 		gfile.Import(contextPackage)
 		gfile.Import(microApiPackage)
-		gfile.Import(microClientPackage)
-		gfile.Import(microServerPackage)
-
+		if genClient {
+			gfile.Import(microClientPackage)
+		}
+		if genServer {
+			gfile.Import(microServerPackage)
+		}
 		for _, service := range file.Services {
-			generateServiceClient(gfile, service)
-			generateServiceClientMethods(gfile, service, false)
-			generateServiceServer(gfile, service)
-			generateServiceServerMethods(gfile, service)
-			generateServiceRegister(gfile, service)
+			if genClient {
+				generateServiceClient(gfile, service)
+				generateServiceClientMethods(gfile, service, false)
+			}
+			if genServer {
+				generateServiceServer(gfile, service)
+				generateServiceServerMethods(gfile, service)
+				generateServiceRegister(gfile, service)
+			}
 		}
 	}
 

util.go

@@ -2,29 +2,28 @@ package main
 
 import (
 	"fmt"
+	"log"
+	"net/http"
 	"strings"
 
-	openapi_options "github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2/options"
-	api_options "google.golang.org/genproto/googleapis/api/annotations"
+	api_options "go.unistack.org/micro-proto/v3/api"
+	v2 "go.unistack.org/micro-proto/v3/openapiv2"
+	v3 "go.unistack.org/micro-proto/v3/openapiv3"
 	"google.golang.org/protobuf/compiler/protogen"
 	"google.golang.org/protobuf/proto"
 )
 
-var (
-	reflectPackage         = protogen.GoImportPath("reflect")
-	stringsPackage         = protogen.GoImportPath("strings")
-	fmtPackage             = protogen.GoImportPath("fmt")
-	contextPackage         = protogen.GoImportPath("context")
-	httpPackage            = protogen.GoImportPath("net/http")
-	gorillaMuxPackage      = protogen.GoImportPath("github.com/gorilla/mux")
-	chiPackage             = protogen.GoImportPath("github.com/go-chi/chi/v4")
-	chiMiddlewarePackage   = protogen.GoImportPath("github.com/go-chi/chi/v4/middleware")
-	microApiPackage        = protogen.GoImportPath("github.com/unistack-org/micro/v3/api")
-	microClientPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/client")
-	microServerPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/server")
-	microClientHttpPackage = protogen.GoImportPath("github.com/unistack-org/micro-client-http/v3")
-	deprecationComment     = "// Deprecated: Do not use."
-)
+var httpMethodMap = map[string]string{
+	http.MethodGet:     "MethodGet",
+	http.MethodHead:    "MethodHead",
+	http.MethodPost:    "MethodPost",
+	http.MethodPut:     "MethodPut",
+	http.MethodPatch:   "MethodPatch",
+	http.MethodDelete:  "MethodDelete",
+	http.MethodConnect: "MethodConnect",
+	http.MethodOptions: "MethodOptions",
+	http.MethodTrace:   "MethodTrace",
+}
 
 func unexport(s string) string {
 	return strings.ToLower(s[:1]) + s[1:]
@@ -32,6 +31,9 @@ func unexport(s string) string {
 
 func generateServiceClient(gfile *protogen.GeneratedFile, service *protogen.Service) {
 	serviceName := service.GoName
+	// if rule, ok := getMicroApiService(service); ok {
+	//		gfile.P("// client wrappers ", strings.Join(rule.ClientWrappers, ", "))
+	//	}
 	gfile.P("type ", unexport(serviceName), "Client struct {")
 	gfile.P("c ", microClientPackage.Ident("Client"))
 	gfile.P("name string")
@@ -50,35 +52,59 @@ func generateServiceClientMethods(gfile *protogen.GeneratedFile, service *protog
 		generateClientFuncSignature(gfile, serviceName, method)
 
 		if http && method.Desc.Options() != nil {
-			if proto.HasExtension(method.Desc.Options(), openapi_options.E_Openapiv2Operation) {
-				opts := proto.GetExtension(method.Desc.Options(), openapi_options.E_Openapiv2Operation)
+			if proto.HasExtension(method.Desc.Options(), v2.E_Openapiv2Operation) {
+				opts := proto.GetExtension(method.Desc.Options(), v2.E_Openapiv2Operation)
 				if opts != nil {
-					r := opts.(*openapi_options.Operation)
-					gfile.P("errmap := make(map[string]interface{}, ", len(r.Responses), ")")
-					for code, response := range r.Responses {
-						if response.Schema != nil && response.Schema.JsonSchema != nil {
-							ref := response.Schema.JsonSchema.Ref
+					r := opts.(*v2.Operation)
+					gfile.P("errmap := make(map[string]interface{}, ", len(r.Responses.ResponseCode), ")")
+					for _, rsp := range r.Responses.ResponseCode {
+						if schema := rsp.Value.GetJsonReference(); schema != nil {
+							ref := schema.XRef
 							if strings.HasPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".") {
 								ref = strings.TrimPrefix(ref, "."+string(service.Desc.ParentFile().Package())+".")
 							}
-							gfile.P(`errmap["`, code, `"] = &`, ref, "{}")
+							if ref == "micro.codec.Frame" || ref == ".micro.codec.Frame" {
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, microCodecPackage.Ident("Frame"), "{}")
+							} else {
+								gfile.P(`errmap["`, rsp.Name, `"] = &`, ref, "{}")
+							}
 						}
 					}
 				}
-
 				gfile.P("opts = append(opts,")
 				gfile.P(microClientHttpPackage.Ident("ErrorMap"), "(errmap),")
+				gfile.P(")")
+			}
 
-				if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
-					endpoints, _ := generateEndpoints(method)
-					path, method, body := getEndpoint(endpoints[0])
+			if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
+				gfile.P("opts = append(opts,")
+				endpoints, _ := generateEndpoints(method)
+				path, method, body := getEndpoint(endpoints[0])
+				if vmethod, ok := httpMethodMap[method]; ok {
+					gfile.P(microClientHttpPackage.Ident("Method"), `(`, httpPackage.Ident(vmethod), `),`)
+				} else {
 					gfile.P(microClientHttpPackage.Ident("Method"), `("`, method, `"),`)
-					gfile.P(microClientHttpPackage.Ident("Path"), `("`, path, `"),`)
+				}
+				gfile.P(microClientHttpPackage.Ident("Path"), `("`, path, `"),`)
+				if body != "" {
 					gfile.P(microClientHttpPackage.Ident("Body"), `("`, body, `"),`)
 				}
-
 				gfile.P(")")
 			}
+
+			// Build a list of header parameters.
+			eopt := proto.GetExtension(method.Desc.Options(), v3.E_Openapiv3Operation)
+			if eopt != nil && eopt != v3.E_Openapiv3Operation.InterfaceOf(v3.E_Openapiv3Operation.Zero()) {
+				opt := eopt.(*v3.Operation)
+				log.Printf("xxx %#+v\n", opt)
+			}
+
+		}
+
+		if rule, ok := getMicroApiMethod(method); ok {
+			if rule.Timeout > 0 {
+				gfile.P("opts = append(opts, ", microClientPackage.Ident("WithRequestTimeout"), "(", timePackage.Ident("Second"), "*", rule.Timeout, "))")
+			}
 		}
 
 		if !method.Desc.IsStreamingServer() && !method.Desc.IsStreamingClient() {
@@ -177,7 +203,13 @@ func generateServiceServerMethods(gfile *protogen.GeneratedFile, service *protog
 	serviceName := service.GoName
 	for _, method := range service.Methods {
 		generateServerFuncSignature(gfile, serviceName, method, true)
-
+		if rule, ok := getMicroApiMethod(method); ok {
+			if rule.Timeout > 0 {
+				gfile.P("var cancel ", contextPackage.Ident("CancelFunc"))
+				gfile.P("ctx, cancel = ", contextPackage.Ident("WithTimeout"), "(ctx, ", timePackage.Ident("Second"), "*", rule.Timeout, ")")
+				gfile.P("defer cancel()")
+			}
+		}
 		if method.Desc.IsStreamingClient() || method.Desc.IsStreamingServer() {
 			if !method.Desc.IsStreamingClient() {
 				gfile.P("msg := &", gfile.QualifiedGoIdent(method.Input.GoIdent), "{}")
@@ -265,10 +297,11 @@ func generateServiceRegister(gfile *protogen.GeneratedFile, service *protogen.Se
 	gfile.P(unexport(serviceName))
 	gfile.P("}")
 	gfile.P("h := &", unexport(serviceName), "Server{sh}")
-	gfile.P("for _, endpoint := range New", serviceName, "Endpoints() {")
-	gfile.P("opts = append(opts, ", microApiPackage.Ident("WithEndpoint"), "(endpoint))")
+	gfile.P("var nopts []", microServerPackage.Ident("HandlerOption"))
+	gfile.P("for _, endpoint := range ", serviceName, "Endpoints {")
+	gfile.P("nopts = append(nopts, ", microApiPackage.Ident("WithEndpoint"), "(&endpoint))")
 	gfile.P("}")
-	gfile.P("return s.Handle(s.NewHandler(&", serviceName, "{h}, opts...))")
+	gfile.P("return s.Handle(s.NewHandler(&", serviceName, "{h}, append(nopts, opts...)...))")
 	gfile.P("}")
 }
 
@@ -429,8 +462,10 @@ func generateServiceServerStreamInterface(gfile *protogen.GeneratedFile, service
 
 func generateServiceEndpoints(gfile *protogen.GeneratedFile, service *protogen.Service) {
 	serviceName := service.GoName
-	gfile.P("func New", serviceName, "Endpoints() []*", microApiPackage.Ident("Endpoint"), " {")
-	gfile.P("return []*", microApiPackage.Ident("Endpoint"), "{")
+	gfile.P("var (")
+	gfile.P(serviceName, "Name", "=", `"`, serviceName, `"`)
+	gfile.P()
+	gfile.P(serviceName, "Endpoints", "=", "[]", microApiPackage.Ident("Endpoint"), "{")
 	for _, method := range service.Methods {
 		if method.Desc.Options() == nil {
 			continue
@@ -438,13 +473,18 @@ func generateServiceEndpoints(gfile *protogen.GeneratedFile, service *protogen.S
 		if proto.HasExtension(method.Desc.Options(), api_options.E_Http) {
 			endpoints, streaming := generateEndpoints(method)
 			for _, endpoint := range endpoints {
-				gfile.P("&", microApiPackage.Ident("Endpoint"), "{")
+				gfile.P("{")
 				generateEndpoint(gfile, serviceName, method.GoName, endpoint, streaming)
 				gfile.P("},")
 			}
 		}
 	}
 	gfile.P("}")
+	gfile.P(")")
+	gfile.P()
+
+	gfile.P("func New", serviceName, "Endpoints()", "[]", microApiPackage.Ident("Endpoint"), "{")
+	gfile.P("return ", serviceName, "Endpoints")
 	gfile.P("}")
 	gfile.P()
 }
@@ -470,6 +510,42 @@ func generateEndpoints(method *protogen.Method) ([]*api_options.HttpRule, bool)
 	return rules, method.Desc.IsStreamingServer() || method.Desc.IsStreamingClient()
 }
 
+func getMicroApiMethod(method *protogen.Method) (*api_options.MicroMethod, bool) {
+	if method.Desc.Options() == nil {
+		return nil, false
+	}
+
+	if !proto.HasExtension(method.Desc.Options(), api_options.E_MicroMethod) {
+		return nil, false
+	}
+
+	r := proto.GetExtension(method.Desc.Options(), api_options.E_MicroMethod)
+	if r == nil {
+		return nil, false
+	}
+
+	rule := r.(*api_options.MicroMethod)
+	return rule, true
+}
+
+func getMicroApiService(service *protogen.Service) (*api_options.MicroService, bool) {
+	if service.Desc.Options() == nil {
+		return nil, false
+	}
+
+	if !proto.HasExtension(service.Desc.Options(), api_options.E_MicroService) {
+		return nil, false
+	}
+
+	r := proto.GetExtension(service.Desc.Options(), api_options.E_MicroService)
+	if r == nil {
+		return nil, false
+	}
+
+	rule := r.(*api_options.MicroService)
+	return rule, true
+}
+
 func getEndpoint(rule *api_options.HttpRule) (string, string, string) {
 	var meth string
 	var path string
@@ -505,8 +581,12 @@ func generateEndpoint(gfile *protogen.GeneratedFile, serviceName string, methodN
 	path, meth, body := getEndpoint(rule)
 	gfile.P("Name:", fmt.Sprintf(`"%s.%s",`, serviceName, methodName))
 	gfile.P("Path:", fmt.Sprintf(`[]string{"%s"},`, path))
+	//if vmethod, ok := httpMethodMap[meth]; ok {
+	//	gfile.P("Method:", `[]string{`, httpPackage.Ident(vmethod), `},`)
+	//} else {
 	gfile.P("Method:", fmt.Sprintf(`[]string{"%s"},`, meth))
-	if len(rule.GetGet()) == 0 {
+	//	}
+	if len(rule.GetGet()) == 0 && body != "" {
 		gfile.P("Body:", fmt.Sprintf(`"%s",`, body))
 	}
 	if streaming {

variables.go

@@ -0,0 +1,22 @@
+package main
+
+import "google.golang.org/protobuf/compiler/protogen"
+
+var (
+	reflectPackage         = protogen.GoImportPath("reflect")
+	stringsPackage         = protogen.GoImportPath("strings")
+	fmtPackage             = protogen.GoImportPath("fmt")
+	contextPackage         = protogen.GoImportPath("context")
+	httpPackage            = protogen.GoImportPath("net/http")
+	gorillaMuxPackage      = protogen.GoImportPath("github.com/gorilla/mux")
+	chiPackage             = protogen.GoImportPath("github.com/go-chi/chi/v5")
+	chiMiddlewarePackage   = protogen.GoImportPath("github.com/go-chi/chi/v5/middleware")
+	microApiPackage        = protogen.GoImportPath("github.com/unistack-org/micro/v3/api")
+	microClientPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/client")
+	microServerPackage     = protogen.GoImportPath("github.com/unistack-org/micro/v3/server")
+	microClientHttpPackage = protogen.GoImportPath("github.com/unistack-org/micro-client-http/v3")
+	microCodecPackage      = protogen.GoImportPath("github.com/unistack-org/micro/v3/codec")
+	timePackage            = protogen.GoImportPath("time")
+	deprecationComment     = "// Deprecated: Do not use."
+	versionComment         = "v3.4.2"
+)