use meter directly

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

@@ -1,19 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.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-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true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-#go list -u -m -json all | go-mod-outdated -update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@v3
+        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

@@ -3,19 +3,20 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.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@v3
+      with:
+        go-version: 1.17
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v2

.github/workflows/dependabot-automerge.yml

@@ -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@v1.3.6
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -3,19 +3,20 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
     runs-on: ubuntu-latest
     steps:
     - name: setup
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v3
       with:
-        go-version: 1.16
+        go-version: 1.17
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/go/pkg/mod
         key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.4.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.gitignore

@@ -0,0 +1,24 @@
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+bin
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# General
+.DS_Store
+.idea
+.vscode

.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"
+	"go.unistack.org/micro/v3/codec"
-	"google.golang.org/grpc"
 	"google.golang.org/grpc/encoding"
 )
 
-type wrapStream struct{ grpc.ServerStream }
+var (
-
+	_ codec.Codec    = &wrapGrpcCodec{}
-func (w *wrapStream) Write(d []byte) (int, error) {
+	_ encoding.Codec = &wrapMicroCodec{}
-	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
-}
 
 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) {
+func (w *wrapGrpcCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
-	switch m := v.(type) {
+	if m, ok := v.(*codec.Frame); ok {
-	case *codec.Frame:
 		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) {
+	if m, ok := v.(*codec.Frame); ok {
-	case *codec.Frame:
 		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 {
+func (w *wrapGrpcCodec) ReadBody(conn io.Reader, v interface{}) error {
-	// caller has requested a frame
+	if m, ok := v.(*codec.Frame); ok {
-	switch m := v.(type) {
-	case *codec.Frame:
 		_, 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 (
+var errMapping = map[int32]codes.Code{
-	errMapping = map[int32]codes.Code{
+	http.StatusOK:                  codes.OK,
-		http.StatusOK:                  codes.OK,
+	http.StatusBadRequest:          codes.InvalidArgument,
-		http.StatusBadRequest:          codes.InvalidArgument,
+	http.StatusRequestTimeout:      codes.DeadlineExceeded,
-		http.StatusRequestTimeout:      codes.DeadlineExceeded,
+	http.StatusNotFound:            codes.NotFound,
-		http.StatusNotFound:            codes.NotFound,
+	http.StatusConflict:            codes.AlreadyExists,
-		http.StatusConflict:            codes.AlreadyExists,
+	http.StatusForbidden:           codes.PermissionDenied,
-		http.StatusForbidden:           codes.PermissionDenied,
+	http.StatusUnauthorized:        codes.Unauthenticated,
-		http.StatusUnauthorized:        codes.Unauthenticated,
+	http.StatusPreconditionFailed:  codes.FailedPrecondition,
-		http.StatusPreconditionFailed:  codes.FailedPrecondition,
+	http.StatusNotImplemented:      codes.Unimplemented,
-		http.StatusNotImplemented:      codes.Unimplemented,
+	http.StatusInternalServerError: codes.Internal,
-		http.StatusInternalServerError: codes.Internal,
+	http.StatusServiceUnavailable:  codes.Unavailable,
-		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) {
+	if verr, ok := err.(*errors.Error); ok {
-	case *errors.Error:
 		ec = verr.Code
 	}
 

go.mod

@@ -1,16 +1,28 @@
-module github.com/unistack-org/micro-server-grpc/v3
+module go.unistack.org/micro-server-grpc/v3
+
+go 1.20
 
-go 1.15
 
 require (
-	github.com/golang/protobuf v1.4.3
+	github.com/golang/protobuf v1.5.4
-	github.com/google/go-cmp v0.5.1 // indirect
+	github.com/quic-go/quic-go v0.41.0
-	github.com/unistack-org/micro/v3 v3.2.15
+	go.unistack.org/micro/v3 v3.10.48
-	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110
+	golang.org/x/net v0.22.0
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
+	google.golang.org/grpc v1.62.1
-	google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d // indirect
+	google.golang.org/protobuf v1.33.0
-	google.golang.org/grpc v1.36.0
-	google.golang.org/protobuf v1.25.0
 )
 
-//replace github.com/unistack-org/micro/v3 => ../../micro
+require (
+	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
+	github.com/google/pprof v0.0.0-20240227163752-401108e1b7e7 // indirect
+	github.com/onsi/ginkgo/v2 v2.16.0 // indirect
+	github.com/stretchr/testify v1.8.3 // indirect
+	go.uber.org/mock v0.4.0 // indirect
+	golang.org/x/crypto v0.21.0 // indirect
+	golang.org/x/exp v0.0.0-20240222234643-814bf88cf225 // indirect
+	golang.org/x/mod v0.16.0 // indirect
+	golang.org/x/sys v0.18.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/tools v0.19.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240304212257-790db918fca8 // indirect
+)

go.sum

@@ -1,105 +1,53 @@
-cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
-github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
-github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
+github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
-github.com/envoyproxy/go-control-plane v0.9.9-0.20201210154907-fd9021fe5dad/go.mod h1:cXg6YxExXjJnVBQHBLXeUAgxn2UodCpnH306RInaBQk=
+github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI=
-github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
+github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls=
-github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
-github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
-github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
+github.com/google/pprof v0.0.0-20240227163752-401108e1b7e7 h1:y3N7Bm7Y9/CtpiVkw/ZWj6lSlDF3F74SfKwfTCer72Q=
-github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
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handler.go

@@ -3,18 +3,18 @@ package grpc
 import (
 	"reflect"
 
-	"github.com/unistack-org/micro/v3/register"
+	"go.unistack.org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
+	"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 +2,19 @@ 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 (
-type grpcOptions struct{}
+	codecsKey                struct{}
-type maxMsgSizeKey struct{}
+	grpcOptions              struct{}
-type tlsAuth struct{}
+	maxMsgSizeKey            struct{}
-type reflectionKey struct{}
+	reflectionKey            struct{}
+	unknownServiceHandlerKey struct{}
+)
 
 // gRPC Codec to be used to encode/decode requests for a given content type
 func Codec(contentType string, c encoding.Codec) server.Option {
@@ -30,25 +31,24 @@ 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)
 }
 
 //
 // MaxMsgSize set the maximum message in bytes the server can receive and
-// send.  Default maximum message size is 4 MB.
+// 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)
+}
+
+// UnknownServiceHandler enables support for all services
+func UnknownServiceHandler(h grpc.StreamHandler) server.Option {
+	return server.SetOption(unknownServiceHandlerKey{}, h)
 }

quic/quic_net.go

@@ -0,0 +1,166 @@
+// grpc over quic mostly based on https://github.com/sssgun/grpc-quic
+// copyright sssgun with MIT license
+package grpcquic // import "go.unistack.org/micro-server-grpc/v3/quic"
+
+import (
+	"context"
+	"crypto/tls"
+	"net"
+	"time"
+
+	quic "github.com/quic-go/quic-go"
+)
+
+///////////////////////////////////////////////////////////////////////////////
+// Connection
+
+var _ net.Conn = (*Conn)(nil)
+
+type Conn struct {
+	conn   quic.Connection
+	stream quic.Stream
+}
+
+func NewConn(conn quic.Connection) (net.Conn, error) {
+	stream, err := conn.OpenStreamSync(context.Background())
+	if err != nil {
+		return nil, err
+	}
+
+	return &Conn{conn, stream}, nil
+}
+
+// Read reads data from the connection.
+// Read can be made to time out and return an Error with Timeout() == true
+// after a fixed time limit; see SetDeadline and SetReadDeadline.
+func (c *Conn) Read(b []byte) (n int, err error) {
+	return c.stream.Read(b)
+}
+
+// Write writes data to the connection.
+// Write can be made to time out and return an Error with Timeout() == true
+// after a fixed time limit; see SetDeadline and SetWriteDeadline.
+func (c *Conn) Write(b []byte) (n int, err error) {
+	return c.stream.Write(b)
+}
+
+// Close closes the connection.
+// Any blocked Read or Write operations will be unblocked and return errors.
+func (c *Conn) Close() error {
+	// @TODO: log this
+	c.stream.Close()
+
+	return c.conn.CloseWithError(0, "")
+}
+
+// LocalAddr returns the local network address.
+func (c *Conn) LocalAddr() net.Addr {
+	return c.conn.LocalAddr()
+}
+
+// RemoteAddr returns the remote network address.
+func (c *Conn) RemoteAddr() net.Addr {
+	return c.conn.RemoteAddr()
+}
+
+// SetDeadline sets the read and write deadlines associated
+// with the connection. It is equivalent to calling both
+// SetReadDeadline and SetWriteDeadline.
+//
+// A deadline is an absolute time after which I/O operations
+// fail with a timeout (see type Error) instead of
+// blocking. The deadline applies to all future and pending
+// I/O, not just the immediately following call to Read or
+// Write. After a deadline has been exceeded, the connection
+// can be refreshed by setting a deadline in the future.
+//
+// An idle timeout can be implemented by repeatedly extending
+// the deadline after successful Read or Write calls.
+//
+// A zero value for t means I/O operations will not time out.
+func (c *Conn) SetDeadline(t time.Time) error {
+	return c.stream.SetDeadline(t)
+}
+
+// SetReadDeadline sets the deadline for future Read calls
+// and any currently-blocked Read call.
+// A zero value for t means Read will not time out.
+func (c *Conn) SetReadDeadline(t time.Time) error {
+	return c.stream.SetReadDeadline(t)
+}
+
+// SetWriteDeadline sets the deadline for future Write calls
+// and any currently-blocked Write call.
+// Even if write times out, it may return n > 0, indicating that
+// some of the data was successfully written.
+// A zero value for t means Write will not time out.
+func (c *Conn) SetWriteDeadline(t time.Time) error {
+	return c.stream.SetWriteDeadline(t)
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Listener
+
+var _ net.Listener = (*Listener)(nil)
+
+type Listener struct {
+	ql quic.Listener
+}
+
+func Listen(ql quic.Listener) net.Listener {
+	return &Listener{ql}
+}
+
+// Accept waits for and returns the next connection to the listener.
+func (l *Listener) Accept() (net.Conn, error) {
+	sess, err := l.ql.Accept(context.Background())
+	if err != nil {
+		return nil, err
+	}
+
+	stream, err := sess.AcceptStream(context.Background())
+	if err != nil {
+		return nil, err
+	}
+
+	return &Conn{sess, stream}, nil
+}
+
+// Close closes the listener.
+// Any blocked Accept operations will be unblocked and return errors.
+func (l *Listener) Close() error {
+	return l.ql.Close()
+}
+
+// Addr returns the listener's network address.
+func (l *Listener) Addr() net.Addr {
+	return l.ql.Addr()
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// Dialer
+
+var QuicConfig = &quic.Config{
+	KeepAlivePeriod: 10 * time.Second,
+}
+
+func NewPacketConn(addr string) (net.PacketConn, error) {
+	// create a packet conn for outgoing connections
+	udpAddr, err := net.ResolveUDPAddr("udp", addr)
+	if err != nil {
+		return nil, err
+	}
+
+	return net.ListenUDP("udp", udpAddr)
+}
+
+func NewQuicDialer(tlsConf *tls.Config) func(context.Context, string) (net.Conn, error) {
+	return func(ctx context.Context, target string) (net.Conn, error) {
+		sess, err := quic.DialAddr(ctx, target, tlsConf, QuicConfig)
+		if err != nil {
+			return nil, err
+		}
+
+		return NewConn(sess)
+	}
+}

quic/quic_transport.go

@@ -0,0 +1,117 @@
+// grpc over quic mostly based on https://github.com/sssgun/grpc-quic
+// copyright sssgun with MIT license
+package grpcquic
+
+import (
+	"context"
+	"crypto/tls"
+	"net"
+
+	"google.golang.org/grpc/credentials"
+)
+
+var _ credentials.AuthInfo = (*Info)(nil)
+
+// Info contains the auth information
+type Info struct {
+	conn *Conn
+}
+
+func NewInfo(c *Conn) *Info {
+	return &Info{c}
+}
+
+// AuthType returns the type of Info as a string.
+func (i *Info) AuthType() string {
+	return "quic-tls"
+}
+
+func (i *Info) Conn() net.Conn {
+	return i.conn
+}
+
+var _ credentials.TransportCredentials = (*Credentials)(nil)
+
+type Credentials struct {
+	tlsConfig        *tls.Config
+	isQuicConnection bool
+	serverName       string
+
+	grpcCreds credentials.TransportCredentials
+}
+
+func NewCredentials(tlsConfig *tls.Config) credentials.TransportCredentials {
+	grpcCreds := credentials.NewTLS(tlsConfig)
+	return &Credentials{
+		grpcCreds: grpcCreds,
+		tlsConfig: tlsConfig,
+	}
+}
+
+// ClientHandshake does the authentication handshake specified by the corresponding
+// authentication protocol on rawConn for clients. It returns the authenticated
+// connection and the corresponding auth information about the connection.
+// Implementations must use the provided context to implement timely cancellation.
+// gRPC will try to reconnect if the error returned is a temporary error
+// (io.EOF, context.DeadlineExceeded or err.Temporary() == true).
+// If the returned error is a wrapper error, implementations should make sure that
+// the error implements Temporary() to have the correct retry behaviors.
+//
+// If the returned net.Conn is closed, it MUST close the net.Conn provided.
+func (pt *Credentials) ClientHandshake(ctx context.Context, authority string, conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
+	if c, ok := conn.(*Conn); ok {
+		pt.isQuicConnection = true
+		return conn, NewInfo(c), nil
+	}
+
+	return pt.grpcCreds.ClientHandshake(ctx, authority, conn)
+}
+
+// ServerHandshake does the authentication handshake for servers. It returns
+// the authenticated connection and the corresponding auth information about
+// the connection.
+//
+// If the returned net.Conn is closed, it MUST close the net.Conn provided.
+func (pt *Credentials) ServerHandshake(conn net.Conn) (net.Conn, credentials.AuthInfo, error) {
+	if c, ok := conn.(*Conn); ok {
+		pt.isQuicConnection = true
+		ainfo := NewInfo(c)
+		return conn, ainfo, nil
+	}
+
+	return pt.grpcCreds.ServerHandshake(conn)
+}
+
+// Info provides the ProtocolInfo of this Credentials.
+func (pt *Credentials) Info() credentials.ProtocolInfo {
+	if pt.isQuicConnection {
+		return credentials.ProtocolInfo{
+			// ProtocolVersion is the gRPC wire protocol version.
+			ProtocolVersion: "/quic/1.0.0",
+			// SecurityProtocol is the security protocol in use.
+			SecurityProtocol: "quic-tls",
+			// SecurityVersion is the security protocol version.
+			// SecurityVersion: "1.2.0",
+			// ServerName is the user-configured server name.
+			ServerName: pt.serverName,
+		}
+	}
+
+	return pt.grpcCreds.Info()
+}
+
+// Clone makes a copy of this Credentials.
+func (pt *Credentials) Clone() credentials.TransportCredentials {
+	return &Credentials{
+		tlsConfig: pt.tlsConfig.Clone(),
+		grpcCreds: pt.grpcCreds.Clone(),
+	}
+}
+
+// OverrideServerName overrides the server name used to verify the hostname on the returned certificates from the server.
+// gRPC internals also use it to override the virtual hosting name if it is set.
+// It must be called before dialing. Currently, this is only used by grpclb.
+func (pt *Credentials) OverrideServerName(name string) error {
+	pt.serverName = name
+	return pt.grpcCreds.OverrideServerName(name)
+}

reflection.go

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

request.go

@@ -3,31 +3,34 @@ package grpc
 import (
 	"io"
 
-	"github.com/unistack-org/micro/v3/codec"
+	"go.unistack.org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"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
+	payload     interface{}
-	method      string
-	endpoint    string
-	target      string
-	contentType string
 	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 +46,7 @@ func (r *rpcRequest) Method() string {
 }
 
 func (r *rpcRequest) Endpoint() string {
-	return r.method
+	return r.endpoint
 }
 
 func (r *rpcRequest) Codec() codec.Codec {
@@ -78,7 +81,7 @@ func (r *rpcMessage) Topic() string {
 	return r.topic
 }
 
-func (r *rpcMessage) Payload() interface{} {
+func (r *rpcMessage) Body() interface{} {
 	return r.payload
 }
 
@@ -86,10 +89,6 @@ 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"
+	"go.unistack.org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
 )
 
+var _ server.Response = &rpcResponse{}
+
 type rpcResponse struct {
-	rw       io.ReadWriter
+	rw     io.ReadWriter
-	header   metadata.Metadata
+	header metadata.Metadata
-	codec    codec.Codec
+	codec  codec.Codec
-	endpoint string
-	service  string
-	method   string
-	target   string
 }
 
 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
-	// Precompute the reflect type for error. Can't use error directly
+// because Typeof takes an empty interface value. This is annoying.
-	// because Typeof takes an empty interface value. This is annoying.
+var typeOfError = reflect.TypeOf((*error)(nil)).Elem()
-	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
+	typ    reflect.Type
-	rcvr   reflect.Value          // receiver of methods for the service
+	method map[string]*methodType
-	typ    reflect.Type           // type of the receiver
+	rcvr   reflect.Value
-	method map[string]*methodType // registered methods
+	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 {
+	default:
-		// if not stream check the replyType
-
 		// 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

@@ -4,25 +4,18 @@ import (
 	"context"
 	"fmt"
 	"reflect"
-	"runtime/debug"
 	"strings"
 
-	"github.com/unistack-org/micro/v3/broker"
+	"go.unistack.org/micro/v3/broker"
-	"github.com/unistack-org/micro/v3/errors"
+	"go.unistack.org/micro/v3/metadata"
-	"github.com/unistack-org/micro/v3/logger"
+	"go.unistack.org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/metadata"
+	"go.unistack.org/micro/v3/server"
-	"github.com/unistack-org/micro/v3/register"
-	"github.com/unistack-org/micro/v3/server"
-)
-
-const (
-	subSig = "func(context.Context, interface{}) error"
 )
 
 type handler struct {
-	method  reflect.Value
 	reqType reflect.Type
 	ctxType reflect.Type
+	method  reflect.Value
 }
 
 type subscriber struct {
@@ -106,17 +99,8 @@ func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOptio
 	}
 }
 
-func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broker.Handler {
+func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Handler {
 	return func(p broker.Event) (err error) {
-		defer func() {
-			if r := recover(); r != nil {
-				if g.opts.Logger.V(logger.ErrorLevel) {
-					g.opts.Logger.Error(g.opts.Context, "panic recovered: ", r)
-					g.opts.Logger.Error(g.opts.Context, string(debug.Stack()))
-				}
-				err = errors.InternalServerError(g.opts.Name+".subscriber", "panic recovered: %v", r)
-			}
-		}()
 
 		msg := p.Message()
 		// if we don't have headers, create empty map
@@ -126,8 +110,8 @@ func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broke
 
 		ct := msg.Header["Content-Type"]
 		if len(ct) == 0 {
-			msg.Header["Content-Type"] = defaultContentType
+			msg.Header["Content-Type"] = DefaultContentType
-			ct = defaultContentType
+			ct = DefaultContentType
 		}
 		cf, err := g.newCodec(ct)
 		if err != nil {
@@ -175,7 +159,7 @@ 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 {
@@ -195,14 +179,13 @@ 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], ".")
 }
+*/