Merge pull request #99 from unistack-org/cleanup

server: remove unparsed body from request and message

.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/stale.sh

@@ -1,13 +0,0 @@
-#!/bin/bash -ex
-
-export PATH=$PATH:$(pwd)/bin
-export GO111MODULE=on
-export GOBIN=$(pwd)/bin
-
-#go get github.com/rvflash/goup@v0.4.1
-
-#goup -v ./...
-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
-
-#go list -u -m -json all | go-mod-outdated -update

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v2
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -3,17 +3,18 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v3.1.0
         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.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# 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@v2
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      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: analyze
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+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@v1.3.0
+        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/pr.yml

@@ -3,17 +3,18 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v1
+      uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v1
+        uses: golangci/golangci-lint-action@v3.1.0
         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.

.golangci.yml

@@ -0,0 +1,44 @@
+run:
+  concurrency: 4
+  deadline: 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

codec.go

@@ -3,25 +3,14 @@ package grpc
 import (
 	"io"
 
-	"github.com/unistack-org/micro/v3/codec"
-	"google.golang.org/grpc"
+	"go.unistack.org/micro/v3/codec"
 	"google.golang.org/grpc/encoding"
 )
 
-type wrapStream struct{ grpc.ServerStream }
-
-func (w *wrapStream) Write(d []byte) (int, error) {
-	n := len(d)
-	err := w.ServerStream.SendMsg(&codec.Frame{Data: d})
-	return n, err
-}
-
-func (w *wrapStream) Read(d []byte) (int, error) {
-	m := &codec.Frame{}
-	err := w.ServerStream.RecvMsg(m)
-	d = m.Data
-	return len(d), err
-}
+var (
+	_ codec.Codec    = &wrapGrpcCodec{}
+	_ encoding.Codec = &wrapMicroCodec{}
+)
 
 type wrapMicroCodec struct{ codec.Codec }
 
@@ -29,50 +18,54 @@ func (w *wrapMicroCodec) Name() string {
 	return w.Codec.String()
 }
 
+func (w *wrapMicroCodec) Marshal(v interface{}) ([]byte, error) {
+	return w.Codec.Marshal(v)
+}
+
+func (w *wrapMicroCodec) Unmarshal(d []byte, v interface{}) error {
+	return w.Codec.Unmarshal(d, v)
+}
+
 type wrapGrpcCodec struct{ encoding.Codec }
 
 func (w *wrapGrpcCodec) String() string {
 	return w.Codec.Name()
 }
 
-func (w *wrapGrpcCodec) Marshal(v interface{}) ([]byte, error) {
-	switch m := v.(type) {
-	case *codec.Frame:
+func (w *wrapGrpcCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
+	if m, ok := v.(*codec.Frame); ok {
 		return m.Data, nil
 	}
 	return w.Codec.Marshal(v)
 }
 
-func (w wrapGrpcCodec) Unmarshal(d []byte, v interface{}) error {
+func (w *wrapGrpcCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error {
 	if d == nil || v == nil {
 		return nil
 	}
-	switch m := v.(type) {
-	case *codec.Frame:
+	if m, ok := v.(*codec.Frame); ok {
 		m.Data = d
 		return nil
 	}
 	return w.Codec.Unmarshal(d, v)
 }
 
-func (g *wrapGrpcCodec) ReadHeader(conn io.Reader, m *codec.Message, mt codec.MessageType) error {
+func (w *wrapGrpcCodec) ReadHeader(conn io.Reader, m *codec.Message, mt codec.MessageType) error {
 	return nil
 }
 
-func (g *wrapGrpcCodec) ReadBody(conn io.Reader, v interface{}) error {
-	// caller has requested a frame
-	switch m := v.(type) {
-	case *codec.Frame:
+func (w *wrapGrpcCodec) ReadBody(conn io.Reader, v interface{}) error {
+	if m, ok := v.(*codec.Frame); ok {
 		_, err := conn.Read(m.Data)
 		return err
 	}
 	return codec.ErrInvalidMessage
 }
 
-func (g *wrapGrpcCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
+func (w *wrapGrpcCodec) Write(conn io.Writer, m *codec.Message, v interface{}) error {
 	// if we don't have a body
 	if v != nil {
-		b, err := g.Marshal(v)
+		b, err := w.Marshal(v)
 		if err != nil {
 			return err
 		}

context.go

@@ -1,16 +0,0 @@
-package grpc
-
-import (
-	"context"
-
-	"github.com/unistack-org/micro/v3/server"
-)
-
-func setServerOption(k, v interface{}) server.Option {
-	return func(o *server.Options) {
-		if o.Context == nil {
-			o.Context = context.Background()
-		}
-		o.Context = context.WithValue(o.Context, k, v)
-	}
-}

error.go

@@ -6,25 +6,23 @@ import (
 	"net/http"
 	"os"
 
-	"github.com/unistack-org/micro/v3/errors"
+	"go.unistack.org/micro/v3/errors"
 	"google.golang.org/grpc/codes"
 )
 
-var (
-	errMapping = map[int32]codes.Code{
-		http.StatusOK:                  codes.OK,
-		http.StatusBadRequest:          codes.InvalidArgument,
-		http.StatusRequestTimeout:      codes.DeadlineExceeded,
-		http.StatusNotFound:            codes.NotFound,
-		http.StatusConflict:            codes.AlreadyExists,
-		http.StatusForbidden:           codes.PermissionDenied,
-		http.StatusUnauthorized:        codes.Unauthenticated,
-		http.StatusPreconditionFailed:  codes.FailedPrecondition,
-		http.StatusNotImplemented:      codes.Unimplemented,
-		http.StatusInternalServerError: codes.Internal,
-		http.StatusServiceUnavailable:  codes.Unavailable,
-	}
-)
+var errMapping = map[int32]codes.Code{
+	http.StatusOK:                  codes.OK,
+	http.StatusBadRequest:          codes.InvalidArgument,
+	http.StatusRequestTimeout:      codes.DeadlineExceeded,
+	http.StatusNotFound:            codes.NotFound,
+	http.StatusConflict:            codes.AlreadyExists,
+	http.StatusForbidden:           codes.PermissionDenied,
+	http.StatusUnauthorized:        codes.Unauthenticated,
+	http.StatusPreconditionFailed:  codes.FailedPrecondition,
+	http.StatusNotImplemented:      codes.Unimplemented,
+	http.StatusInternalServerError: codes.Internal,
+	http.StatusServiceUnavailable:  codes.Unavailable,
+}
 
 // convertCode converts a standard Go error into its canonical code. Note that
 // this is only used to translate the error returned by the server applications.
@@ -60,8 +58,7 @@ func microError(err error) codes.Code {
 	}
 
 	var ec int32
-	switch verr := err.(type) {
-	case *errors.Error:
+	if verr, ok := err.(*errors.Error); ok {
 		ec = verr.Code
 	}
 

go.mod

@@ -1,16 +1,11 @@
-module github.com/unistack-org/micro-server-grpc/v3
+module go.unistack.org/micro-server-grpc/v3
 
-go 1.15
+go 1.16
 
 require (
-	github.com/golang/protobuf v1.4.3
-	github.com/google/go-cmp v0.5.1 // indirect
-	github.com/unistack-org/micro/v3 v3.2.2
-	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
-	google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d // indirect
-	google.golang.org/grpc v1.35.0
-	google.golang.org/protobuf v1.25.0
+	github.com/golang/protobuf v1.5.2
+	go.unistack.org/micro/v3 v3.9.0
+	golang.org/x/net v0.0.0-20210928044308-7d9f5e0b762b
+	google.golang.org/grpc v1.45.0
+	google.golang.org/protobuf v1.27.1
 )
-
-//replace github.com/unistack-org/micro/v3 => ../../micro

go.sum

@@ -1,23 +1,39 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
+github.com/buger/jsonparser v1.1.1/go.mod h1:6RYKKt7H4d4+iWqouImQ9R2FZql3VbhNgx27UK13J/0=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
+github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
+github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
 github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
+github.com/cncf/udpa/go v0.0.0-20210930031921-04548b0d99d4/go.mod h1:6pvJx4me5XPnfI9Z40ddWsdw2W/uZgQLFXToKeRcDiI=
+github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210805033703-aa0b78936158/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20210922020428-25de7278fc84/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
+github.com/cncf/xds/go v0.0.0-20211011173535-cb28da3451f1/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
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 github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
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 github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
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 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
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 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
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-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 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=
@@ -111,16 +132,19 @@ google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9Ywl
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
-google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013 h1:+kGHl1aib/qcwaRi1CbqBZ1rk19r85MNUf8HaBghugY=
+google.golang.org/genproto v0.0.0-20200513103714-09dca8ec2884/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d h1:92D1fum1bJLKSdr11OJ+54YeCMCGYIygTA7R/YZxH5M=
-google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
+google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368 h1:Et6SkiuvnBn+SgrSYXs/BrUpGB4mbdwt4R3vaPIlicA=
+google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.35.0 h1:TwIQcH3es+MojMVojxxfQ3l3OF2KzlRxML2xZq0kRo8=
-google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTpR3n0=
+google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
+google.golang.org/grpc v1.40.0/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
+google.golang.org/grpc v1.45.0 h1:NEpgUqV3Z+ZjkqMsxMg11IaDrXY4RY6CQukSGK0uI1M=
+google.golang.org/grpc v1.45.0/go.mod h1:lN7owxKUQEqMfSyQikvvk5tf/6zMPsrK+ONuO11+0rQ=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -129,17 +153,20 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
-google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
+gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 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 h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

grpc.go

@@ -1,5 +1,5 @@
 // Package grpc provides a grpc server
-package grpc
+package grpc // import "go.unistack.org/micro-server-grpc/v3"
 
 import (
 	"context"
@@ -14,55 +14,51 @@ import (
 	"sync"
 	"time"
 
+	// nolint: staticcheck
 	oldproto "github.com/golang/protobuf/proto"
-	"github.com/unistack-org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/errors"
-	"github.com/unistack-org/micro/v3/logger"
-	meta "github.com/unistack-org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/logger"
+	metadata "go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v3/server"
 	"golang.org/x/net/netutil"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/encoding"
-	"google.golang.org/grpc/metadata"
+	gmetadata "google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/peer"
-	grpcreflect "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
 	"google.golang.org/grpc/status"
 	"google.golang.org/protobuf/proto"
 )
 
 const (
-	defaultContentType = "application/grpc"
+	DefaultContentType = "application/grpc+proto"
 )
 
+/*
 type grpcServerReflection struct {
 	srv *grpc.Server
 	s   *serverReflectionServer
 }
+*/
 
 type grpcServer struct {
-	rpc  *rServer
-	srv  *grpc.Server
-	exit chan chan error
-	wg   *sync.WaitGroup
-
-	sync.RWMutex
-	opts        server.Options
 	handlers    map[string]server.Handler
+	srv         *grpc.Server
+	exit        chan chan error
+	wg          *sync.WaitGroup
+	rsvc        *register.Service
 	subscribers map[*subscriber][]broker.Subscriber
-	// marks the serve as started
-	started bool
-	// used for first registration
+	rpc         *rServer
+	opts        server.Options
+	sync.RWMutex
+	init       bool
+	started    bool
 	registered bool
-
 	reflection bool
-	// register service instance
-	rsvc *register.Service
-
-	codecs map[string]codec.Codec
 }
 
 func newGRPCServer(opts ...server.Option) server.Server {
@@ -80,19 +76,22 @@ func newGRPCServer(opts ...server.Option) server.Server {
 	return g
 }
 
+/*
 type grpcRouter struct {
-	h func(context.Context, server.Request, interface{}) error
-	m func(context.Context, server.Message) error
+ h func(context.Context, server.Request, interface{}) error
+ m func(context.Context, server.Message) error
 }
 
 func (r grpcRouter) ProcessMessage(ctx context.Context, msg server.Message) error {
-	return r.m(ctx, msg)
+ return r.m(ctx, msg)
 }
 
 func (r grpcRouter) ServeRequest(ctx context.Context, req server.Request, rsp server.Response) error {
-	return r.h(ctx, req, rsp)
+ return r.h(ctx, req, rsp)
 }
 
+*/
+
 func (g *grpcServer) configure(opts ...server.Option) error {
 	g.Lock()
 	defer g.Unlock()
@@ -101,12 +100,26 @@ func (g *grpcServer) configure(opts ...server.Option) error {
 		o(&g.opts)
 	}
 
-	if g.opts.Register == nil {
-		return fmt.Errorf("register not set")
+	if err := g.opts.Register.Init(); err != nil {
+		return err
 	}
-
-	if g.opts.Broker == nil {
-		return fmt.Errorf("broker not set")
+	if err := g.opts.Broker.Init(); err != nil {
+		return err
+	}
+	if err := g.opts.Tracer.Init(); err != nil {
+		return err
+	}
+	if err := g.opts.Auth.Init(); err != nil {
+		return err
+	}
+	if err := g.opts.Logger.Init(); err != nil {
+		return err
+	}
+	if err := g.opts.Meter.Init(); err != nil {
+		return err
+	}
+	if err := g.opts.Transport.Init(); err != nil {
+		return err
 	}
 
 	g.wg = g.opts.Wait
@@ -153,6 +166,8 @@ func (g *grpcServer) configure(opts ...server.Option) error {
 		return g.Start()
 	}
 
+	g.init = true
+
 	return nil
 }
 
@@ -168,10 +183,8 @@ func (g *grpcServer) getMaxMsgSize() int {
 }
 
 func (g *grpcServer) getCredentials() credentials.TransportCredentials {
-	if g.opts.Context != nil {
-		if v, ok := g.opts.Context.Value(tlsAuth{}).(*tls.Config); ok && v != nil {
-			return credentials.NewTLS(v)
-		}
+	if g.opts.TLSConfig != nil {
+		return credentials.NewTLS(g.opts.TLSConfig)
 	}
 	return nil
 }
@@ -226,35 +239,53 @@ func (g *grpcServer) handler(srv interface{}, stream grpc.ServerStream) (err err
 	}
 
 	// get grpc metadata
-	gmd, ok := metadata.FromIncomingContext(stream.Context())
+	gmd, ok := gmetadata.FromIncomingContext(stream.Context())
 	if !ok {
-		gmd = metadata.MD{}
+		gmd = gmetadata.MD{}
 	}
 
-	// copy the metadata to go-micro.metadata
-	md := meta.Metadata{}
+	md := metadata.New(len(gmd))
 	for k, v := range gmd {
-		md[k] = strings.Join(v, ", ")
+		md.Set(k, strings.Join(v, ", "))
 	}
 
+	var td string
 	// timeout for server deadline
-	to := md["timeout"]
+	if v, ok := md.Get("timeout"); ok {
+		md.Del("timeout")
+		td = v
+	}
+	if v, ok := md.Get("Grpc-Timeout"); ok {
+		md.Del("Grpc-Timeout")
+		td = v[:len(v)-1]
+		switch v[:] {
+		case "S":
+			td += "s"
+		case "M":
+			td += "m"
+		case "H":
+			td += "h"
+		case "m":
+			td += "ms"
+		case "u":
+			td += "us"
+		case "n":
+			td += "ns"
+		}
+	}
 
 	// get content type
-	ct := defaultContentType
+	ct := DefaultContentType
 
-	if ctype, ok := md["x-content-type"]; ok {
+	if ctype, ok := md.Get("content-type"); ok {
 		ct = ctype
-	}
-	if ctype, ok := md["content-type"]; ok {
+	} else if ctype, ok := md.Get("x-content-type"); ok {
 		ct = ctype
+		md.Del("x-content-type")
 	}
 
-	delete(md, "x-content-type")
-	delete(md, "timeout")
-
 	// create new context
-	ctx := meta.NewContext(stream.Context(), md)
+	ctx := metadata.NewIncomingContext(stream.Context(), md)
 
 	// get peer from context
 	if p, ok := peer.FromContext(stream.Context()); ok {
@@ -263,89 +294,39 @@ func (g *grpcServer) handler(srv interface{}, stream grpc.ServerStream) (err err
 	}
 
 	// set the timeout if we have it
-	if len(to) > 0 {
-		if n, err := strconv.ParseUint(to, 10, 64); err == nil {
+	if len(td) > 0 {
+		if n, err := strconv.ParseUint(td, 10, 64); err == nil {
 			var cancel context.CancelFunc
 			ctx, cancel = context.WithTimeout(ctx, time.Duration(n))
 			defer cancel()
 		}
 	}
 
-	// process via router
-	if g.opts.Router != nil {
-		cf, err := g.newCodec(ct)
-		if err != nil {
-			return errors.InternalServerError(g.opts.Name, err.Error())
-		}
-
-		// create a client.Request
-		request := &rpcRequest{
-			rw:          &wrapStream{stream},
-			service:     serviceFromMethod(fullMethod),
-			contentType: ct,
-			method:      fmt.Sprintf("%s.%s", serviceName, methodName),
-			endpoint:    fmt.Sprintf("%s.%s", serviceName, methodName),
-			target:      g.opts.Name,
-			codec:       cf,
-			stream:      true,
-		}
-
-		response := &rpcResponse{
-			method:   fmt.Sprintf("%s.%s", serviceName, methodName),
-			endpoint: fmt.Sprintf("%s.%s", serviceName, methodName),
-			target:   g.opts.Name,
-			rw:       &wrapStream{stream},
-			header:   make(map[string]string),
-			codec:    cf,
-		}
-
-		// create a wrapped function
-		handler := func(ctx context.Context, req server.Request, rsp interface{}) error {
-			return g.opts.Router.ServeRequest(ctx, req, rsp.(server.Response))
-		}
-
-		// execute the wrapper for it
-		for i := len(g.opts.HdlrWrappers); i > 0; i-- {
-			handler = g.opts.HdlrWrappers[i-1](handler)
-		}
-
-		r := grpcRouter{h: handler}
-
-		// serve the actual request using the request router
-		if err := r.ServeRequest(ctx, request, response); err != nil {
-			if _, ok := status.FromError(err); ok {
-				return err
-			}
-			return status.Errorf(codes.Internal, err.Error())
-		}
-
-		return nil
-	}
-
-	// process the standard request flow
 	g.rpc.mu.RLock()
 	svc := g.rpc.serviceMap[serviceName]
 	g.rpc.mu.RUnlock()
 
-	if svc == nil && g.reflection && methodName == "ServerReflectionInfo" {
-		rfl := &grpcServerReflection{srv: g.srv, s: &serverReflectionServer{s: g.srv}}
-		svc = &service{}
-		svc.typ = reflect.TypeOf(rfl)
-		svc.rcvr = reflect.ValueOf(rfl)
-		svc.name = reflect.Indirect(svc.rcvr).Type().Name()
-		svc.method = make(map[string]*methodType)
-		typ := reflect.TypeOf(rfl)
-		if me, ok := typ.MethodByName("ServerReflectionInfo"); ok {
-			g.rpc.mu.Lock()
-			ep, err := prepareEndpoint(me)
-			if ep != nil && err != nil {
-				svc.method["ServerReflectionInfo"] = ep
-			} else if err != nil {
-				return status.New(codes.Unimplemented, err.Error()).Err()
+	/*
+		if svc == nil && g.reflection && methodName == "ServerReflectionInfo" {
+			rfl := &grpcServerReflection{srv: g.srv, s: &serverReflectionServer{s: g.srv}}
+			svc = &service{}
+			svc.typ = reflect.TypeOf(rfl)
+			svc.rcvr = reflect.ValueOf(rfl)
+			svc.name = reflect.Indirect(svc.rcvr).Type().Name()
+			svc.method = make(map[string]*methodType)
+			typ := reflect.TypeOf(rfl)
+			if me, ok := typ.MethodByName("ServerReflectionInfo"); ok {
+				g.rpc.mu.Lock()
+				ep, err := prepareEndpoint(me)
+				if ep != nil && err != nil {
+					svc.method["ServerReflectionInfo"] = ep
+				} else if err != nil {
+					return status.New(codes.Unimplemented, err.Error()).Err()
+				}
+				g.rpc.mu.Unlock()
 			}
-			g.rpc.mu.Unlock()
 		}
-	}
+	*/
 
 	if svc == nil {
 		return status.New(codes.Unimplemented, fmt.Sprintf("unknown service %s", serviceName)).Err()
@@ -358,125 +339,110 @@ func (g *grpcServer) handler(srv interface{}, stream grpc.ServerStream) (err err
 
 	// process unary
 	if !mtype.stream {
-		return g.processRequest(stream, svc, mtype, ct, ctx)
+		return g.processRequest(ctx, stream, svc, mtype, ct)
 	}
 
 	// process stream
-	return g.processStream(stream, svc, mtype, ct, ctx)
+	return g.processStream(ctx, stream, svc, mtype, ct)
 }
 
-func (g *grpcServer) processRequest(stream grpc.ServerStream, service *service, mtype *methodType, ct string, ctx context.Context) error {
-	for {
-		var argv, replyv reflect.Value
+func (g *grpcServer) processRequest(ctx context.Context, stream grpc.ServerStream, service *service, mtype *methodType, ct string) error {
+	// for {
+	var err error
+	var argv, replyv reflect.Value
 
-		// Decode the argument value.
-		argIsValue := false // if true, need to indirect before calling.
-		if mtype.ArgType.Kind() == reflect.Ptr {
-			argv = reflect.New(mtype.ArgType.Elem())
-		} else {
-			argv = reflect.New(mtype.ArgType)
-			argIsValue = true
-		}
-
-		// Unmarshal request
-		if err := stream.RecvMsg(argv.Interface()); err != nil {
-			return err
-		}
-
-		if argIsValue {
-			argv = argv.Elem()
-		}
-
-		// reply value
-		replyv = reflect.New(mtype.ReplyType.Elem())
-
-		function := mtype.method.Func
-		var returnValues []reflect.Value
-
-		cf, err := g.newCodec(ct)
-		if err != nil {
-			return errors.InternalServerError(g.opts.Name, err.Error())
-		}
-		b, err := cf.Marshal(argv.Interface())
-		if err != nil {
-			return err
-		}
-
-		// create a client.Request
-		r := &rpcRequest{
-			service:     g.opts.Name,
-			contentType: ct,
-			method:      fmt.Sprintf("%s.%s", service.name, mtype.method.Name),
-			body:        b,
-			payload:     argv.Interface(),
-		}
-		// define the handler func
-		fn := func(ctx context.Context, req server.Request, rsp interface{}) (err error) {
-			returnValues = function.Call([]reflect.Value{service.rcvr, mtype.prepareContext(ctx), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})
-
-			// The return value for the method is an error.
-			if rerr := returnValues[0].Interface(); rerr != nil {
-				err = rerr.(error)
-			}
-
-			return err
-		}
-
-		// wrap the handler func
-		for i := len(g.opts.HdlrWrappers); i > 0; i-- {
-			fn = g.opts.HdlrWrappers[i-1](fn)
-		}
-
-		statusCode := codes.OK
-		statusDesc := ""
-		// execute the handler
-		if appErr := fn(ctx, r, replyv.Interface()); appErr != nil {
-			var errStatus *status.Status
-			switch verr := appErr.(type) {
-			case *errors.Error:
-				statusCode = microError(verr)
-				statusDesc = verr.Error()
-				errStatus = status.New(statusCode, statusDesc)
-			case oldproto.Message:
-				// user defined error that proto based we can attach it to grpc status
-				statusCode = convertCode(appErr)
-				statusDesc = appErr.Error()
-				errStatus, err = status.New(statusCode, statusDesc).WithDetails(verr)
-				if err != nil {
-					return err
-				}
-			case proto.Message:
-				// user defined error that proto based we can attach it to grpc status
-				statusCode = convertCode(appErr)
-				statusDesc = appErr.Error()
-				errStatus, err = status.New(statusCode, statusDesc).WithDetails(oldproto.MessageV1(verr))
-				if err != nil {
-					return err
-				}
-			default:
-				g.RLock()
-				config := g.opts
-				g.RUnlock()
-				if config.Logger.V(logger.ErrorLevel) {
-					config.Logger.Warn(config.Context, "handler error will not be transferred properly, must return *errors.Error or proto.Message")
-				}
-				// default case user pass own error type that not proto based
-				statusCode = convertCode(verr)
-				statusDesc = verr.Error()
-				errStatus = status.New(statusCode, statusDesc)
-			}
-
-			return errStatus.Err()
-		}
-
-		if err := stream.SendMsg(replyv.Interface()); err != nil {
-			return err
-		}
-
-		return status.New(statusCode, statusDesc).Err()
+	// Decode the argument value.
+	argIsValue := false // if true, need to indirect before calling.
+	if mtype.ArgType.Kind() == reflect.Ptr {
+		argv = reflect.New(mtype.ArgType.Elem())
+	} else {
+		argv = reflect.New(mtype.ArgType)
+		argIsValue = true
 	}
+
+	// Unmarshal request
+	// TODO: avoid Marshal call later by recv to frame and reuse it data
+	if err := stream.RecvMsg(argv.Interface()); err != nil {
+		return err
+	}
+
+	if argIsValue {
+		argv = argv.Elem()
+	}
+
+	// reply value
+	replyv = reflect.New(mtype.ReplyType.Elem())
+
+	function := mtype.method.Func
+	var returnValues []reflect.Value
+
+	// create a client.Request
+	r := &rpcRequest{
+		service:     g.opts.Name,
+		contentType: ct,
+		method:      fmt.Sprintf("%s.%s", service.name, mtype.method.Name),
+		payload:     argv.Interface(),
+	}
+	// define the handler func
+	fn := func(ctx context.Context, req server.Request, rsp interface{}) (err error) {
+		returnValues = function.Call([]reflect.Value{service.rcvr, mtype.prepareContext(ctx), reflect.ValueOf(argv.Interface()), reflect.ValueOf(rsp)})
+
+		// The return value for the method is an error.
+		if rerr := returnValues[0].Interface(); rerr != nil {
+			err = rerr.(error)
+		}
+
+		return err
+	}
+
+	// wrap the handler func
+	for i := len(g.opts.HdlrWrappers); i > 0; i-- {
+		fn = g.opts.HdlrWrappers[i-1](fn)
+	}
+
+	statusCode := codes.OK
+	statusDesc := ""
+	// execute the handler
+	if appErr := fn(ctx, r, replyv.Interface()); appErr != nil {
+		var errStatus *status.Status
+		switch verr := appErr.(type) {
+		case *errors.Error:
+			statusCode = microError(verr)
+			statusDesc = verr.Error()
+			errStatus = status.New(statusCode, statusDesc)
+		case proto.Message:
+			// user defined error that proto based we can attach it to grpc status
+			statusCode = convertCode(appErr)
+			statusDesc = appErr.Error()
+			errStatus, err = status.New(statusCode, statusDesc).WithDetails(oldproto.MessageV1(verr))
+			if err != nil {
+				return err
+			}
+		default:
+			g.RLock()
+			config := g.opts
+			g.RUnlock()
+			if config.Logger.V(logger.ErrorLevel) {
+				config.Logger.Warn(config.Context, "handler error will not be transferred properly, must return *errors.Error or proto.Message")
+			}
+			// default case user pass own error type that not proto based
+			statusCode = convertCode(verr)
+			statusDesc = verr.Error()
+			errStatus = status.New(statusCode, statusDesc)
+		}
+
+		return errStatus.Err()
+	}
+
+	if err := stream.SendMsg(replyv.Interface()); err != nil {
+		return err
+	}
+
+	return status.New(statusCode, statusDesc).Err()
+	//	}
 }
 
+/*
 type reflectStream struct {
 	stream server.Stream
 }
@@ -491,15 +457,15 @@ func (s *reflectStream) Recv() (*grpcreflect.ServerReflectionRequest, error) {
 	return req, err
 }
 
-func (s *reflectStream) SetHeader(metadata.MD) error {
+func (s *reflectStream) SetHeader(gmetadata.MD) error {
 	return nil
 }
 
-func (s *reflectStream) SendHeader(metadata.MD) error {
+func (s *reflectStream) SendHeader(gmetadata.MD) error {
 	return nil
 }
 
-func (s *reflectStream) SetTrailer(metadata.MD) {
+func (s *reflectStream) SetTrailer(gmetadata.MD) {
 
 }
 
@@ -518,8 +484,9 @@ func (s *reflectStream) RecvMsg(m interface{}) error {
 func (g *grpcServerReflection) ServerReflectionInfo(ctx context.Context, stream server.Stream) error {
 	return g.s.ServerReflectionInfo(&reflectStream{stream})
 }
+*/
 
-func (g *grpcServer) processStream(stream grpc.ServerStream, service *service, mtype *methodType, ct string, ctx context.Context) error {
+func (g *grpcServer) processStream(ctx context.Context, stream grpc.ServerStream, service *service, mtype *methodType, ct string) error {
 	opts := g.opts
 
 	r := &rpcRequest{
@@ -562,14 +529,6 @@ func (g *grpcServer) processStream(stream grpc.ServerStream, service *service, m
 			statusCode = microError(verr)
 			statusDesc = verr.Error()
 			errStatus = status.New(statusCode, statusDesc)
-		case oldproto.Message:
-			// user defined error that proto based we can attach it to grpc status
-			statusCode = convertCode(appErr)
-			statusDesc = appErr.Error()
-			errStatus, err = status.New(statusCode, statusDesc).WithDetails(verr)
-			if err != nil {
-				return err
-			}
 		case proto.Message:
 			// user defined error that proto based we can attach it to grpc status
 			statusCode = convertCode(appErr)
@@ -598,6 +557,10 @@ func (g *grpcServer) newCodec(ct string) (codec.Codec, error) {
 	g.RLock()
 	defer g.RUnlock()
 
+	if idx := strings.IndexRune(ct, ';'); idx >= 0 {
+		ct = ct[:idx]
+	}
+
 	if c, ok := g.opts.Codecs[ct]; ok {
 		return c, nil
 	}
@@ -614,11 +577,14 @@ func (g *grpcServer) Options() server.Options {
 }
 
 func (g *grpcServer) Init(opts ...server.Option) error {
+	if len(opts) == 0 && g.init {
+		return nil
+	}
 	return g.configure(opts...)
 }
 
 func (g *grpcServer) NewHandler(h interface{}, opts ...server.HandlerOption) server.Handler {
-	return newRpcHandler(h, opts...)
+	return newRPCHandler(h, opts...)
 }
 
 func (g *grpcServer) Handle(h server.Handler) error {
@@ -679,22 +645,18 @@ func (g *grpcServer) Register() error {
 
 	g.RLock()
 	// Maps are ordered randomly, sort the keys for consistency
-	var handlerList []string
-	for n, e := range g.handlers {
+	handlerList := make([]string, 0, len(g.handlers))
+	for n := range g.handlers {
 		// Only advertise non internal handlers
-		if !e.Options().Internal {
-			handlerList = append(handlerList, n)
-		}
+		handlerList = append(handlerList, n)
 	}
 
 	sort.Strings(handlerList)
 
-	var subscriberList []*subscriber
+	subscriberList := make([]*subscriber, 0, len(g.subscribers))
 	for e := range g.subscribers {
 		// Only advertise non internal subscribers
-		if !e.Options().Internal {
-			subscriberList = append(subscriberList, e)
-		}
+		subscriberList = append(subscriberList, e)
 	}
 	sort.Slice(subscriberList, func(i, j int) bool {
 		return subscriberList[i].topic > subscriberList[j].topic
@@ -710,7 +672,7 @@ func (g *grpcServer) Register() error {
 	g.RUnlock()
 
 	service.Nodes[0].Metadata["protocol"] = "grpc"
-	service.Nodes[0].Metadata["transport"] = "grpc"
+	service.Nodes[0].Metadata["transport"] = service.Nodes[0].Metadata["protocol"]
 	service.Endpoints = endpoints
 
 	g.RLock()
@@ -719,7 +681,7 @@ func (g *grpcServer) Register() error {
 
 	if !registered {
 		if config.Logger.V(logger.InfoLevel) {
-			config.Logger.Infof(config.Context, "Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].Id)
+			config.Logger.Infof(config.Context, "Register [%s] Registering node: %s", config.Register.String(), service.Nodes[0].ID)
 		}
 	}
 
@@ -779,7 +741,7 @@ func (g *grpcServer) Deregister() error {
 	}
 
 	if config.Logger.V(logger.InfoLevel) {
-		config.Logger.Infof(config.Context, "Deregistering node: %s", service.Nodes[0].Id)
+		config.Logger.Infof(config.Context, "Deregistering node: %s", service.Nodes[0].ID)
 	}
 
 	if err := server.DefaultDeregisterFunc(service, config); err != nil {
@@ -836,12 +798,11 @@ func (g *grpcServer) Start() error {
 
 	// micro: config.Transport.Listen(config.Address)
 	var ts net.Listener
+	var err error
 
 	if l := config.Listener; l != nil {
 		ts = l
 	} else {
-		var err error
-
 		// check the tls config for secure connect
 		if tc := config.TLSConfig; tc != nil {
 			ts, err = tls.Listen("tcp", config.Address, tc)
@@ -871,7 +832,7 @@ func (g *grpcServer) Start() error {
 	// only connect if we're subscribed
 	if len(g.subscribers) > 0 {
 		// connect to the broker
-		if err := config.Broker.Connect(config.Context); err != nil {
+		if err = config.Broker.Connect(config.Context); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
 				config.Logger.Errorf(config.Context, "Broker [%s] connect error: %v", config.Broker.String(), err)
 			}
@@ -884,13 +845,14 @@ func (g *grpcServer) Start() error {
 	}
 
 	// use RegisterCheck func before register
-	if err := g.opts.RegisterCheck(config.Context); err != nil {
+	// nolint: nestif
+	if err = g.opts.RegisterCheck(config.Context); err != nil {
 		if config.Logger.V(logger.ErrorLevel) {
-			config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.Id, err)
+			config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.ID, err)
 		}
 	} else {
 		// announce self to the world
-		if err := g.Register(); err != nil {
+		if err = g.Register(); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
 				config.Logger.Errorf(config.Context, "Server register error: %v", err)
 			}
@@ -899,11 +861,11 @@ func (g *grpcServer) Start() error {
 
 	// micro: go ts.Accept(s.accept)
 	go func() {
-		if err := g.srv.Serve(ts); err != nil {
+		if err = g.srv.Serve(ts); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
 				config.Logger.Errorf(config.Context, "gRPC Server start error: %v", err)
 			}
-			if err := g.Stop(); err != nil {
+			if err = g.Stop(); err != nil {
 				if config.Logger.V(logger.ErrorLevel) {
 					config.Logger.Errorf(config.Context, "gRPC Server stop error: %v", err)
 				}
@@ -932,25 +894,26 @@ func (g *grpcServer) Start() error {
 				registered := g.registered
 				g.RUnlock()
 				rerr := g.opts.RegisterCheck(g.opts.Context)
+				// nolint: nestif
 				if rerr != nil && registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s, deregister it", config.Name, config.Id, rerr)
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s, deregister it", config.Name, config.ID, rerr)
 					}
 					// deregister self in case of error
-					if err := g.Deregister(); err != nil {
+					if err = g.Deregister(); err != nil {
 						if config.Logger.V(logger.ErrorLevel) {
-							config.Logger.Errorf(config.Context, "Server %s-%s deregister error: %s", config.Name, config.Id, err)
+							config.Logger.Errorf(config.Context, "Server %s-%s deregister error: %s", config.Name, config.ID, err)
 						}
 					}
 				} else if rerr != nil && !registered {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.Id, rerr)
+						config.Logger.Errorf(config.Context, "Server %s-%s register check error: %s", config.Name, config.ID, rerr)
 					}
 					continue
 				}
-				if err := g.Register(); err != nil {
+				if err = g.Register(); err != nil {
 					if config.Logger.V(logger.ErrorLevel) {
-						config.Logger.Errorf(config.Context, "Server %s-%s register error: %s", config.Name, config.Id, err)
+						config.Logger.Errorf(config.Context, "Server %s-%s register error: %s", config.Name, config.ID, err)
 					}
 				}
 			// wait for exit
@@ -960,9 +923,9 @@ func (g *grpcServer) Start() error {
 		}
 
 		// deregister self
-		if err := g.Deregister(); err != nil {
+		if err = g.Deregister(); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
-				config.Logger.Errorf(config.Context, "Server deregister error: ", err)
+				config.Logger.Errorf(config.Context, "Server deregister error: %v", err)
 			}
 		}
 
@@ -992,7 +955,7 @@ func (g *grpcServer) Start() error {
 			config.Logger.Infof(config.Context, "Broker [%s] Disconnected from %s", config.Broker.String(), config.Broker.Address())
 		}
 		// disconnect broker
-		if err := config.Broker.Disconnect(config.Context); err != nil {
+		if err = config.Broker.Disconnect(config.Context); err != nil {
 			if config.Logger.V(logger.ErrorLevel) {
 				config.Logger.Errorf(config.Context, "Broker [%s] disconnect error: %v", config.Broker.String(), err)
 			}

handler.go

@@ -3,18 +3,18 @@ package grpc
 import (
 	"reflect"
 
-	"github.com/unistack-org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v3/server"
 )
 
 type rpcHandler struct {
-	name      string
-	handler   interface{}
-	endpoints []*register.Endpoint
 	opts      server.HandlerOptions
+	handler   interface{}
+	name      string
+	endpoints []*register.Endpoint
 }
 
-func newRpcHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
+func newRPCHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
 	options := server.NewHandlerOptions(opts...)
 
 	typ := reflect.TypeOf(handler)

options.go

@@ -2,18 +2,18 @@ package grpc
 
 import (
 	"context"
-	"crypto/tls"
 
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/encoding"
 )
 
-type codecsKey struct{}
-type grpcOptions struct{}
-type maxMsgSizeKey struct{}
-type tlsAuth struct{}
-type reflectionKey struct{}
+type (
+	codecsKey     struct{}
+	grpcOptions   struct{}
+	maxMsgSizeKey struct{}
+	reflectionKey struct{}
+)
 
 // gRPC Codec to be used to encode/decode requests for a given content type
 func Codec(contentType string, c encoding.Codec) server.Option {
@@ -30,14 +30,9 @@ func Codec(contentType string, c encoding.Codec) server.Option {
 	}
 }
 
-// AuthTLS should be used to setup a secure authentication using TLS
-func AuthTLS(t *tls.Config) server.Option {
-	return setServerOption(tlsAuth{}, t)
-}
-
 // Options to be used to configure gRPC options
 func Options(opts ...grpc.ServerOption) server.Option {
-	return setServerOption(grpcOptions{}, opts)
+	return server.SetOption(grpcOptions{}, opts)
 }
 
 //
@@ -45,10 +40,10 @@ func Options(opts ...grpc.ServerOption) server.Option {
 // send.  Default maximum message size is 4 MB.
 //
 func MaxMsgSize(s int) server.Option {
-	return setServerOption(maxMsgSizeKey{}, s)
+	return server.SetOption(maxMsgSizeKey{}, s)
 }
 
 // Reflection enables reflection support in grpc server
 func Reflection(b bool) server.Option {
-	return setServerOption(reflectionKey{}, b)
+	return server.SetOption(reflectionKey{}, b)
 }

reflection.go

@@ -1,3 +1,5 @@
+// +build ignore
+
 /*
  *
  * Copyright 2016 gRPC authors.

request.go

@@ -3,31 +3,35 @@ package grpc
 import (
 	"io"
 
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
+)
+
+var (
+	_ server.Request = &rpcRequest{}
+	_ server.Message = &rpcMessage{}
 )
 
 type rpcRequest struct {
 	rw          io.ReadWriter
-	service     string
-	method      string
-	endpoint    string
-	target      string
-	contentType string
+	payload     interface{}
 	codec       codec.Codec
 	header      metadata.Metadata
-	body        []byte
+	method      string
+	endpoint    string
+	contentType string
+	service     string
 	stream      bool
-	payload     interface{}
 }
 
 type rpcMessage struct {
+	payload     interface{}
+	codec       codec.Codec
+	header      metadata.Metadata
 	topic       string
 	contentType string
-	payload     interface{}
-	header      metadata.Metadata
 	body        []byte
-	codec       codec.Codec
 }
 
 func (r *rpcRequest) ContentType() string {
@@ -43,7 +47,7 @@ func (r *rpcRequest) Method() string {
 }
 
 func (r *rpcRequest) Endpoint() string {
-	return r.method
+	return r.endpoint
 }
 
 func (r *rpcRequest) Codec() codec.Codec {
@@ -78,7 +82,7 @@ func (r *rpcMessage) Topic() string {
 	return r.topic
 }
 
-func (r *rpcMessage) Payload() interface{} {
+func (r *rpcMessage) Body() interface{} {
 	return r.payload
 }
 
@@ -86,10 +90,6 @@ func (r *rpcMessage) Header() metadata.Metadata {
 	return r.header
 }
 
-func (r *rpcMessage) Body() []byte {
-	return r.body
-}
-
 func (r *rpcMessage) Codec() codec.Codec {
 	return r.codec
 }

response.go

@@ -3,18 +3,17 @@ package grpc
 import (
 	"io"
 
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/codec"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
 )
 
+var _ server.Response = &rpcResponse{}
+
 type rpcResponse struct {
-	rw       io.ReadWriter
-	header   metadata.Metadata
-	codec    codec.Codec
-	endpoint string
-	service  string
-	method   string
-	target   string
+	rw     io.ReadWriter
+	header metadata.Metadata
+	codec  codec.Codec
 }
 
 func (r *rpcResponse) Codec() codec.Codec {

server.go

@@ -14,37 +14,35 @@ import (
 	"unicode"
 	"unicode/utf8"
 
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 )
 
-var (
-	// Precompute the reflect type for error. Can't use error directly
-	// because Typeof takes an empty interface value. This is annoying.
-	typeOfError = reflect.TypeOf((*error)(nil)).Elem()
-)
+// Precompute the reflect type for error. Can't use error directly
+// because Typeof takes an empty interface value. This is annoying.
+var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
 
 type methodType struct {
-	method      reflect.Method
 	ArgType     reflect.Type
 	ReplyType   reflect.Type
 	ContextType reflect.Type
+	method      reflect.Method
 	stream      bool
 }
 
-type reflectionType func(context.Context, server.Stream) error
+// type reflectionType func(context.Context, server.Stream) error
 
 type service struct {
-	name   string                 // name of service
-	rcvr   reflect.Value          // receiver of methods for the service
-	typ    reflect.Type           // type of the receiver
-	method map[string]*methodType // registered methods
+	typ    reflect.Type
+	method map[string]*methodType
+	rcvr   reflect.Value
+	name   string
 }
 
 // server represents an RPC Server.
 type rServer struct {
-	mu         sync.RWMutex // protects the serviceMap
 	serviceMap map[string]*service
-	reflection bool
+	mu         sync.RWMutex
+	// reflection bool
 }
 
 // Is this an exported - upper case - name?
@@ -91,15 +89,14 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
 		return nil, fmt.Errorf("method %v of %v has wrong number of ins: %v", mname, mtype, mtype.NumIn())
 	}
 
-	if stream {
+	switch stream {
+	case true:
 		// check stream type
 		streamType := reflect.TypeOf((*server.Stream)(nil)).Elem()
 		if !argType.Implements(streamType) {
 			return nil, fmt.Errorf("%v argument does not implement Streamer interface: %v", mname, argType)
 		}
-	} else {
-		// if not stream check the replyType
-
+	default:
 		// First arg need not be a pointer.
 		if !isExportedOrBuiltinType(argType) {
 			return nil, fmt.Errorf("%v argument type not exported: %v", mname, argType)

stream.go

@@ -3,7 +3,7 @@ package grpc
 import (
 	"context"
 
-	"github.com/unistack-org/micro/v3/server"
+	"go.unistack.org/micro/v3/server"
 	"google.golang.org/grpc"
 )
 

subscriber.go

@@ -7,22 +7,18 @@ import (
 	"runtime/debug"
 	"strings"
 
-	"github.com/unistack-org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/errors"
-	"github.com/unistack-org/micro/v3/logger"
-	"github.com/unistack-org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
-)
-
-const (
-	subSig = "func(context.Context, interface{}) error"
+	"go.unistack.org/micro/v3/broker"
+	"go.unistack.org/micro/v3/errors"
+	"go.unistack.org/micro/v3/logger"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/register"
+	"go.unistack.org/micro/v3/server"
 )
 
 type handler struct {
-	method  reflect.Value
 	reqType reflect.Type
 	ctxType reflect.Type
+	method  reflect.Value
 }
 
 type subscriber struct {
@@ -126,8 +122,8 @@ func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broke
 
 		ct := msg.Header["Content-Type"]
 		if len(ct) == 0 {
-			msg.Header["Content-Type"] = defaultContentType
-			ct = defaultContentType
+			msg.Header["Content-Type"] = DefaultContentType
+			ct = DefaultContentType
 		}
 		cf, err := g.newCodec(ct)
 		if err != nil {
@@ -136,10 +132,13 @@ func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broke
 
 		hdr := make(map[string]string, len(msg.Header))
 		for k, v := range msg.Header {
+			if k == "Content-Type" {
+				continue
+			}
 			hdr[k] = v
 		}
-		delete(hdr, "Content-Type")
-		ctx := metadata.NewContext(sb.opts.Context, hdr)
+
+		ctx := metadata.NewIncomingContext(sb.opts.Context, hdr)
 
 		results := make(chan error, len(sb.handlers))
 
@@ -172,7 +171,7 @@ func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broke
 					vals = append(vals, reflect.ValueOf(ctx))
 				}
 
-				vals = append(vals, reflect.ValueOf(msg.Payload()))
+				vals = append(vals, reflect.ValueOf(msg.Body()))
 
 				returnValues := handler.method.Call(vals)
 				if rerr := returnValues[0].Interface(); rerr != nil {
@@ -192,14 +191,13 @@ func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broke
 				if g.wg != nil {
 					defer g.wg.Done()
 				}
-				err := fn(ctx, &rpcMessage{
+				cerr := fn(ctx, &rpcMessage{
 					topic:       sb.topic,
 					contentType: ct,
 					payload:     req.Interface(),
 					header:      msg.Header,
-					body:        msg.Body,
 				})
-				results <- err
+				results <- cerr
 			}()
 		}
 		var errors []string

util.go

@@ -39,6 +39,7 @@ func serviceMethod(m string) (string, string, error) {
 	return parts[0], parts[1], nil
 }
 
+/*
 // ServiceFromMethod returns the service
 // /service.Foo/Bar => service
 func serviceFromMethod(m string) string {
@@ -55,3 +56,4 @@ func serviceFromMethod(m string) string {
 	parts = strings.Split(parts[1], ".")
 	return strings.Join(parts[:len(parts)-1], ".")
 }
+*/