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1 Commits
v3 ... v0.0.3

Author SHA1 Message Date
939d51a2a8 fix proto
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-12-10 16:04:42 +03:00
39 changed files with 2739 additions and 1688 deletions

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

13
.github/stale.sh vendored Executable file
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@ -0,0 +1,13 @@
#!/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#go get github.com/psampaz/go-mod-outdated@v0.6.0
go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
#go list -u -m -json all | go-mod-outdated -update

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@ -1,20 +0,0 @@
name: "autoapprove"
on:
pull_request_target:
types: [assigned, opened, synchronize, reopened]
permissions:
pull-requests: write
contents: write
jobs:
autoapprove:
runs-on: ubuntu-latest
steps:
- name: approve
uses: hmarr/auto-approve-action@v3
if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
id: approve
with:
github-token: ${{ secrets.GITHUB_TOKEN }}

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

View File

@ -3,20 +3,19 @@ on:
push:
branches:
- master
- v3
jobs:
test:
name: test
runs-on: ubuntu-latest
steps:
- name: setup
uses: actions/setup-go@v3
uses: actions/setup-go@v1
with:
go-version: 1.17
go-version: 1.15
- name: checkout
uses: actions/checkout@v3
uses: actions/checkout@v2
- name: cache
uses: actions/cache@v3
uses: actions/cache@v2
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
runs-on: ubuntu-latest
steps:
- name: checkout
uses: actions/checkout@v3
uses: actions/checkout@v2
- name: lint
uses: golangci/golangci-lint-action@v3.4.0
uses: golangci/golangci-lint-action@v1
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.

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

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@ -1,27 +0,0 @@
name: "dependabot-automerge"
on:
pull_request_target:
types: [assigned, opened, synchronize, reopened]
permissions:
pull-requests: write
contents: write
jobs:
automerge:
runs-on: ubuntu-latest
if: github.actor == 'dependabot[bot]'
steps:
- name: metadata
id: metadata
uses: dependabot/fetch-metadata@v1.3.6
with:
github-token: "${{ secrets.TOKEN }}"
- name: merge
id: merge
if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
run: gh pr merge --auto --merge "$PR_URL"
env:
PR_URL: ${{github.event.pull_request.html_url}}
GITHUB_TOKEN: ${{secrets.TOKEN}}

View File

@ -3,20 +3,19 @@ on:
pull_request:
branches:
- master
- v3
jobs:
test:
name: test
runs-on: ubuntu-latest
steps:
- name: setup
uses: actions/setup-go@v3
uses: actions/setup-go@v1
with:
go-version: 1.17
go-version: 1.15
- name: checkout
uses: actions/checkout@v3
uses: actions/checkout@v2
- name: cache
uses: actions/cache@v3
uses: actions/cache@v2
with:
path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
runs-on: ubuntu-latest
steps:
- name: checkout
uses: actions/checkout@v3
uses: actions/checkout@v2
- name: lint
uses: golangci/golangci-lint-action@v3.4.0
uses: golangci/golangci-lint-action@v1
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.

24
.gitignore vendored
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@ -1,24 +0,0 @@
# 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

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@ -1,44 +0,0 @@
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

192
LICENSE
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@ -1,192 +0,0 @@
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http://www.apache.org/licenses/
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wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
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that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Copyright 2015-2020 Asim Aslam.
Copyright 2019-2020 Unistack LLC.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

30
README.md Normal file
View File

@ -0,0 +1,30 @@
# GRPC Server
The grpc server is a [micro.Server](https://godoc.org/github.com/micro/go-micro/server#Server) compatible server.
## Overview
The server makes use of the [google.golang.org/grpc](google.golang.org/grpc) framework for the underlying server
but continues to use micro handler signatures and protoc-gen-micro generated code.
## Usage
Specify the server to your micro service
```go
import (
"github.com/micro/go-micro"
"github.com/micro/go-plugins/server/grpc"
)
func main() {
service := micro.NewService(
// This needs to be first as it replaces the underlying server
// which causes any configuration set before it
// to be discarded
micro.Server(grpc.NewServer()),
micro.Name("greeter"),
)
}
```
**NOTE**: Setting the gRPC server and/or client causes the underlying the server/client to be replaced which causes any previous configuration set on that server/client to be discarded. It is therefore recommended to set gRPC server/client before any other configuration

238
codec.go
View File

@ -1,49 +1,233 @@
package grpc
import (
"go.unistack.org/micro/v3/codec"
b "bytes"
"encoding/json"
"strings"
oldjsonpb "github.com/golang/protobuf/jsonpb"
oldproto "github.com/golang/protobuf/proto"
bytes "github.com/unistack-org/micro-codec-bytes"
"github.com/unistack-org/micro/v3/codec"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
"google.golang.org/grpc/metadata"
jsonpb "google.golang.org/protobuf/encoding/protojson"
"google.golang.org/protobuf/proto"
)
type jsonCodec struct{}
type bytesCodec struct{}
type protoCodec struct{}
type wrapCodec struct{ encoding.Codec }
var (
jsonpbMarshaler = jsonpb.MarshalOptions{
UseEnumNumbers: false,
EmitUnpopulated: false,
UseProtoNames: true,
AllowPartial: false,
}
jsonpbUnmarshaler = jsonpb.UnmarshalOptions{
DiscardUnknown: false,
AllowPartial: false,
}
oldjsonpbMarshaler = oldjsonpb.Marshaler{
OrigName: true,
EmitDefaults: false,
}
oldjsonpbUnmarshaler = oldjsonpb.Unmarshaler{
AllowUnknownFields: false,
}
)
var (
_ codec.Codec = &wrapGrpcCodec{}
_ encoding.Codec = &wrapMicroCodec{}
defaultGRPCCodecs = map[string]encoding.Codec{
"application/json": jsonCodec{},
"application/proto": protoCodec{},
"application/protobuf": protoCodec{},
"application/octet-stream": protoCodec{},
"application/grpc": protoCodec{},
"application/grpc+json": jsonCodec{},
"application/grpc+proto": protoCodec{},
"application/grpc+bytes": bytesCodec{},
}
)
type wrapMicroCodec struct{ codec.Codec }
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 {
func (w wrapCodec) String() string {
return w.Codec.Name()
}
func (w *wrapGrpcCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) {
if m, ok := v.(*codec.Frame); ok {
func (w wrapCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case *bytes.Frame:
return m.Data, nil
}
return w.Codec.Marshal(v)
}
func (w *wrapGrpcCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error {
if d == nil || v == nil {
func (w wrapCodec) Unmarshal(data []byte, v interface{}) error {
if len(data) == 0 {
return nil
}
if m, ok := v.(*codec.Frame); ok {
m.Data = d
if v == nil {
return nil
}
return w.Codec.Unmarshal(d, v)
switch m := v.(type) {
case *bytes.Frame:
m.Data = data
return nil
}
return w.Codec.Unmarshal(data, v)
}
func (protoCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case proto.Message:
return proto.Marshal(m)
case oldproto.Message:
return oldproto.Marshal(m)
}
return nil, codec.ErrInvalidMessage
}
func (protoCodec) Unmarshal(data []byte, v interface{}) error {
if len(data) == 0 {
return nil
}
if v == nil {
return nil
}
switch m := v.(type) {
case proto.Message:
return proto.Unmarshal(data, m)
case oldproto.Message:
return oldproto.Unmarshal(data, m)
}
return codec.ErrInvalidMessage
}
func (protoCodec) Name() string {
return "proto"
}
func (jsonCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case proto.Message:
return jsonpbMarshaler.Marshal(m)
case oldproto.Message:
buf := b.NewBuffer(nil)
err := oldjsonpbMarshaler.Marshal(buf, m)
return buf.Bytes(), err
}
return json.Marshal(v)
}
func (jsonCodec) Unmarshal(data []byte, v interface{}) error {
if len(data) == 0 {
return nil
}
if v == nil {
return nil
}
switch m := v.(type) {
case proto.Message:
return jsonpbUnmarshaler.Unmarshal(data, m)
case oldproto.Message:
return oldjsonpbUnmarshaler.Unmarshal(b.NewReader(data), m)
}
return json.Unmarshal(data, v)
}
func (jsonCodec) Name() string {
return "json"
}
func (bytesCodec) Marshal(v interface{}) ([]byte, error) {
switch m := v.(type) {
case *[]byte:
return *m, nil
}
return nil, codec.ErrInvalidMessage
}
func (bytesCodec) Unmarshal(data []byte, v interface{}) error {
if len(data) == 0 {
return nil
}
if v == nil {
return nil
}
switch m := v.(type) {
case *[]byte:
*m = data
return nil
}
return codec.ErrInvalidMessage
}
func (bytesCodec) Name() string {
return "bytes"
}
type grpcCodec struct {
grpc.ServerStream
// headers
id string
target string
method string
endpoint string
c encoding.Codec
}
func (g *grpcCodec) ReadHeader(m *codec.Message, mt codec.MessageType) error {
md, _ := metadata.FromIncomingContext(g.ServerStream.Context())
if m == nil {
m = new(codec.Message)
}
if m.Header == nil {
m.Header = make(map[string]string, len(md))
}
for k, v := range md {
m.Header[k] = strings.Join(v, ",")
}
m.Id = g.id
m.Target = g.target
m.Method = g.method
m.Endpoint = g.endpoint
return nil
}
func (g *grpcCodec) ReadBody(v interface{}) error {
// caller has requested a frame
switch m := v.(type) {
case *bytes.Frame:
return g.ServerStream.RecvMsg(m)
}
return g.ServerStream.RecvMsg(v)
}
func (g *grpcCodec) Write(m *codec.Message, v interface{}) error {
// if we don't have a body
if v != nil {
b, err := g.c.Marshal(v)
if err != nil {
return err
}
m.Body = b
}
// write the body using the framing codec
return g.ServerStream.SendMsg(&bytes.Frame{Data: m.Body})
}
func (g *grpcCodec) Close() error {
return nil
}
func (g *grpcCodec) String() string {
return "grpc"
}

16
context.go Normal file
View File

@ -0,0 +1,16 @@
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)
}
}

View File

@ -6,23 +6,26 @@ import (
"net/http"
"os"
"go.unistack.org/micro/v3/errors"
pb "github.com/unistack-org/micro-server-grpc/errors"
"github.com/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.
@ -58,7 +61,10 @@ func microError(err error) codes.Code {
}
var ec int32
if verr, ok := err.(*errors.Error); ok {
switch verr := err.(type) {
case *errors.Error:
ec = verr.Code
case *pb.Error:
ec = verr.Code
}
@ -68,3 +74,16 @@ func microError(err error) codes.Code {
return codes.Unknown
}
func pbError(err error) *pb.Error {
switch verr := err.(type) {
case nil:
return nil
case *errors.Error:
return &pb.Error{Id: verr.Id, Code: verr.Code, Detail: verr.Detail, Status: verr.Status}
case *pb.Error:
return verr
default:
return &pb.Error{Code: 500, Detail: err.Error()}
}
}

159
errors/errors.go Normal file
View File

@ -0,0 +1,159 @@
package errors
import (
"fmt"
)
func (e *Error) Error() string {
return fmt.Sprintf(`{"id":"%s","code":%d,"detail":"%s","status":"%s"}`, e.Id, e.Code, e.Detail, e.Status)
}
// New generates a custom error.
func New(id, detail string, code int32) error {
return &Error{
Id: id,
Code: code,
Detail: detail,
// Status: http.StatusText(int(code)),
}
}
// BadRequest generates a 400 error.
func BadRequest(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 400,
Detail: fmt.Sprintf(format, a...),
// Status: http.StatusText(400),
}
}
// Unauthorized generates a 401 error.
func Unauthorized(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 401,
Detail: fmt.Sprintf(format, a...),
// Status: http.StatusText(401),
}
}
// Forbidden generates a 403 error.
func Forbidden(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 403,
Detail: fmt.Sprintf(format, a...),
// Status: http.StatusText(403),
}
}
// NotFound generates a 404 error.
func NotFound(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 404,
Detail: fmt.Sprintf(format, a...),
// Status: http.StatusText(404),
}
}
// MethodNotAllowed generates a 405 error.
func MethodNotAllowed(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 405,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(405),
}
}
// Timeout generates a 408 error.
func Timeout(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 408,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(408),
}
}
// Conflict generates a 409 error.
func Conflict(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 409,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(409),
}
}
// InternalServerError generates a 500 error.
func InternalServerError(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 500,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(500),
}
}
// NotImplemented generates a 501 error
func NotImplemented(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 501,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(501),
}
}
// BadGateway generates a 502 error
func BadGateway(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 502,
Detail: fmt.Sprintf(format, a...),
// Status: http.StatusText(502),
}
}
// ServiceUnavailable generates a 503 error
func ServiceUnavailable(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 503,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(503),
}
}
// GatewayTimeout generates a 504 error
func GatewayTimeout(id, format string, a ...interface{}) error {
return &Error{
Id: id,
Code: 504,
Detail: fmt.Sprintf(format, a...),
//Status: http.StatusText(504),
}
}
// Equal tries to compare errors
func Equal(err1 error, err2 error) bool {
verr1, ok1 := err1.(*Error)
verr2, ok2 := err2.(*Error)
if ok1 != ok2 {
return false
}
if !ok1 {
return err1 == err2
}
if verr1.Code != verr2.Code {
return false
}
return true
}

173
errors/errors.pb.go Normal file
View File

@ -0,0 +1,173 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0-devel
// protoc v3.6.1
// source: errors.proto
package errors
import (
proto "github.com/golang/protobuf/proto"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type Error struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
Code int32 `protobuf:"varint,2,opt,name=code,proto3" json:"code,omitempty"`
Detail string `protobuf:"bytes,3,opt,name=detail,proto3" json:"detail,omitempty"`
Status string `protobuf:"bytes,4,opt,name=status,proto3" json:"status,omitempty"`
}
func (x *Error) Reset() {
*x = Error{}
if protoimpl.UnsafeEnabled {
mi := &file_errors_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Error) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Error) ProtoMessage() {}
func (x *Error) ProtoReflect() protoreflect.Message {
mi := &file_errors_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Error.ProtoReflect.Descriptor instead.
func (*Error) Descriptor() ([]byte, []int) {
return file_errors_proto_rawDescGZIP(), []int{0}
}
func (x *Error) GetId() string {
if x != nil {
return x.Id
}
return ""
}
func (x *Error) GetCode() int32 {
if x != nil {
return x.Code
}
return 0
}
func (x *Error) GetDetail() string {
if x != nil {
return x.Detail
}
return ""
}
func (x *Error) GetStatus() string {
if x != nil {
return x.Status
}
return ""
}
var File_errors_proto protoreflect.FileDescriptor
var file_errors_proto_rawDesc = []byte{
0x0a, 0x0c, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x06,
0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x22, 0x5b, 0x0a, 0x05, 0x45, 0x72, 0x72, 0x6f, 0x72, 0x12,
0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12,
0x12, 0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x04, 0x63,
0x6f, 0x64, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x18, 0x03, 0x20,
0x01, 0x28, 0x09, 0x52, 0x06, 0x64, 0x65, 0x74, 0x61, 0x69, 0x6c, 0x12, 0x16, 0x0a, 0x06, 0x73,
0x74, 0x61, 0x74, 0x75, 0x73, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x73, 0x74, 0x61,
0x74, 0x75, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_errors_proto_rawDescOnce sync.Once
file_errors_proto_rawDescData = file_errors_proto_rawDesc
)
func file_errors_proto_rawDescGZIP() []byte {
file_errors_proto_rawDescOnce.Do(func() {
file_errors_proto_rawDescData = protoimpl.X.CompressGZIP(file_errors_proto_rawDescData)
})
return file_errors_proto_rawDescData
}
var file_errors_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_errors_proto_goTypes = []interface{}{
(*Error)(nil), // 0: errors.Error
}
var file_errors_proto_depIdxs = []int32{
0, // [0:0] is the sub-list for method output_type
0, // [0:0] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_errors_proto_init() }
func file_errors_proto_init() {
if File_errors_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_errors_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Error); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_errors_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_errors_proto_goTypes,
DependencyIndexes: file_errors_proto_depIdxs,
MessageInfos: file_errors_proto_msgTypes,
}.Build()
File_errors_proto = out.File
file_errors_proto_rawDesc = nil
file_errors_proto_goTypes = nil
file_errors_proto_depIdxs = nil
}

21
errors/errors.pb.micro.go Normal file
View File

@ -0,0 +1,21 @@
// Code generated by protoc-gen-micro. DO NOT EDIT.
// source: errors.proto
package errors
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
math "math"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package

10
errors/errors.proto Normal file
View File

@ -0,0 +1,10 @@
syntax = "proto3";
package errors;
message Error {
string id = 1;
int32 code = 2;
string detail = 3;
string status = 4;
};

122
extractor.go Normal file
View File

@ -0,0 +1,122 @@
package grpc
import (
"fmt"
"reflect"
"strings"
"github.com/unistack-org/micro/v3/registry"
)
func extractValue(v reflect.Type, d int) *registry.Value {
if d == 3 {
return nil
}
if v == nil {
return nil
}
if v.Kind() == reflect.Ptr {
v = v.Elem()
}
arg := &registry.Value{
Name: v.Name(),
Type: v.Name(),
}
switch v.Kind() {
case reflect.Struct:
for i := 0; i < v.NumField(); i++ {
f := v.Field(i)
val := extractValue(f.Type, d+1)
if val == nil {
continue
}
// if we can find a json tag use it
if tags := f.Tag.Get("json"); len(tags) > 0 {
parts := strings.Split(tags, ",")
if parts[0] == "-" || parts[0] == "omitempty" {
continue
}
val.Name = parts[0]
}
// if there's no name default it
if len(val.Name) == 0 {
val.Name = v.Field(i).Name
}
arg.Values = append(arg.Values, val)
}
case reflect.Slice:
p := v.Elem()
if p.Kind() == reflect.Ptr {
p = p.Elem()
}
arg.Type = "[]" + p.Name()
}
return arg
}
func extractEndpoint(method reflect.Method) *registry.Endpoint {
if method.PkgPath != "" {
return nil
}
var rspType, reqType reflect.Type
var stream bool
mt := method.Type
switch mt.NumIn() {
case 3:
reqType = mt.In(1)
rspType = mt.In(2)
case 4:
reqType = mt.In(2)
rspType = mt.In(3)
default:
return nil
}
// are we dealing with a stream?
switch rspType.Kind() {
case reflect.Func, reflect.Interface:
stream = true
}
request := extractValue(reqType, 0)
response := extractValue(rspType, 0)
ep := &registry.Endpoint{
Name: method.Name,
Request: request,
Response: response,
Metadata: make(map[string]string),
}
if stream {
ep.Metadata = map[string]string{
"stream": fmt.Sprintf("%v", stream),
}
}
return ep
}
func extractSubValue(typ reflect.Type) *registry.Value {
var reqType reflect.Type
switch typ.NumIn() {
case 1:
reqType = typ.In(0)
case 2:
reqType = typ.In(1)
case 3:
reqType = typ.In(2)
default:
return nil
}
return extractValue(reqType, 0)
}

65
extractor_test.go Normal file
View File

@ -0,0 +1,65 @@
package grpc
import (
"context"
"reflect"
"testing"
"github.com/unistack-org/micro/v3/registry"
)
type testHandler struct{}
type testRequest struct{}
type testResponse struct{}
func (t *testHandler) Test(ctx context.Context, req *testRequest, rsp *testResponse) error {
return nil
}
func TestExtractEndpoint(t *testing.T) {
handler := &testHandler{}
typ := reflect.TypeOf(handler)
var endpoints []*registry.Endpoint
for m := 0; m < typ.NumMethod(); m++ {
if e := extractEndpoint(typ.Method(m)); e != nil {
endpoints = append(endpoints, e)
}
}
if i := len(endpoints); i != 1 {
t.Errorf("Expected 1 endpoint, have %d", i)
}
if endpoints[0].Name != "Test" {
t.Errorf("Expected handler Test, got %s", endpoints[0].Name)
}
if endpoints[0].Request == nil {
t.Error("Expected non nil request")
}
if endpoints[0].Response == nil {
t.Error("Expected non nil request")
}
if endpoints[0].Request.Name != "testRequest" {
t.Errorf("Expected testRequest got %s", endpoints[0].Request.Name)
}
if endpoints[0].Response.Name != "testResponse" {
t.Errorf("Expected testResponse got %s", endpoints[0].Response.Name)
}
if endpoints[0].Request.Type != "testRequest" {
t.Errorf("Expected testRequest type got %s", endpoints[0].Request.Type)
}
if endpoints[0].Response.Type != "testResponse" {
t.Errorf("Expected testResponse type got %s", endpoints[0].Response.Type)
}
}

View File

@ -1,4 +1,3 @@
package grpc
//go:generate go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
//go:generate sh -c "protoc -I./proto -I$(go list -f '{{ .Dir }}' -m go.unistack.org/micro-proto/v3) -I. --go-grpc_out=paths=source_relative:./proto --go_out=paths=source_relative:./proto proto/test.proto"
//go:generate protoc -I./errors -I. --go-grpc_out=paths=source_relative:./errors --go_out=paths=source_relative:./errors --micro_out=paths=source_relative:./errors errors/errors.proto

27
go.mod
View File

@ -1,19 +1,16 @@
module go.unistack.org/micro-server-grpc/v3
module github.com/unistack-org/micro-server-grpc
go 1.22.7
toolchain go1.23.3
go 1.15
require (
go.unistack.org/micro/v3 v3.10.109
golang.org/x/net v0.31.0
google.golang.org/grpc v1.68.0
google.golang.org/protobuf v1.35.2
)
require (
go.unistack.org/micro-proto/v3 v3.4.1 // indirect
golang.org/x/sys v0.27.0 // indirect
golang.org/x/text v0.20.0 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 // indirect
github.com/golang/protobuf v1.4.2
github.com/google/go-cmp v0.5.1 // indirect
github.com/unistack-org/micro-codec-bytes v0.0.0-20200828083432-4e49e953d844
github.com/unistack-org/micro/v3 v3.0.0-gamma.0.20200920124807-9b11ea527aeb
golang.org/x/net v0.0.0-20200904194848-62affa334b73
golang.org/x/sys v0.0.0-20200803210538-64077c9b5642 // indirect
golang.org/x/text v0.3.3 // indirect
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
google.golang.org/grpc v1.31.1
google.golang.org/protobuf v1.25.0
)

491
go.sum
View File

@ -1,20 +1,471 @@
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q=
go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo=
go.unistack.org/micro/v3 v3.10.109 h1:WVta6KrkPoFQcH/H+Mum4G35m7mmmK2Gs3yizrzXv+w=
go.unistack.org/micro/v3 v3.10.109/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g=
golang.org/x/net v0.31.0 h1:68CPQngjLL0r2AlUKiSxtQFKvzRVbnzLwMUn5SzcLHo=
golang.org/x/net v0.31.0/go.mod h1:P4fl1q7dY2hnZFxEk4pPSkDHF+QqjitcnDjUQyMM+pM=
golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697 h1:LWZqQOEjDyONlF1H6afSWpAL/znlREo2tHfLoe+8LMA=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241118233622-e639e219e697/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
google.golang.org/grpc v1.68.0 h1:aHQeeJbo8zAkAa3pRzrVjZlbz6uSfeOXlJNQM0RAbz0=
google.golang.org/grpc v1.68.0/go.mod h1:fmSPC5AsjSBCK54MyHRx48kpOti1/jRfOlwEWywNjWA=
google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
github.com/Azure/azure-sdk-for-go v32.4.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
github.com/Azure/go-autorest/autorest v0.1.0/go.mod h1:AKyIcETwSUFxIcs/Wnq/C+kwCtlEYGUVd7FPNb2slmg=
github.com/Azure/go-autorest/autorest v0.5.0/go.mod h1:9HLKlQjVBH6U3oDfsXOeVc56THsLPw1L03yban4xThw=
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golang.org/x/crypto v0.0.0-20190211182817-74369b46fc67/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
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golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
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golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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golang.org/x/net v0.0.0-20190923162816-aa69164e4478/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20200904194848-62affa334b73 h1:MXfv8rhZWmFeqX3GNZRsd6vOLoaCHjYEX3qkRo3YBUA=
golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
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golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.0.0-20190911174233-4f2ddba30aff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
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google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
google.golang.org/genproto v0.0.0-20190911173649-1774047e7e51/go.mod h1:IbNlFCBrqXvoKpeg0TB2l7cyZUmoaFKYIwrEpbDKLA8=
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google.golang.org/genproto v0.0.0-20200904004341-0bd0a958aa1d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
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google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
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google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
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google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
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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=
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/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/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
gopkg.in/h2non/gock.v1 v1.0.15/go.mod h1:sX4zAkdYX1TRGJ2JY156cFspQn4yRWn6p9EMdODlynE=
gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/ini.v1 v1.44.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
gopkg.in/ns1/ns1-go.v2 v2.0.0-20190730140822-b51389932cbc/go.mod h1:VV+3haRsgDiVLxyifmMBrBIuCWFBPYKbRssXB9z67Hw=
gopkg.in/resty.v1 v1.9.1/go.mod h1:vo52Hzryw9PnPHcJfPsBiFW62XhNx5OczbV9y+IMpgc=
gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
gopkg.in/square/go-jose.v2 v2.3.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/square/go-jose.v2 v2.4.1/go.mod h1:M9dMgbHiYLoDGQrXy7OpJDJWiKiU//h+vD76mk0e1AI=
gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
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rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

1109
grpc.go

File diff suppressed because it is too large Load Diff

View File

@ -3,28 +3,34 @@ package grpc
import (
"reflect"
"go.unistack.org/micro/v3/register"
"go.unistack.org/micro/v3/server"
"github.com/unistack-org/micro/v3/registry"
"github.com/unistack-org/micro/v3/server"
)
type rpcHandler struct {
opts server.HandlerOptions
handler interface{}
name string
endpoints []*register.Endpoint
handler interface{}
endpoints []*registry.Endpoint
opts server.HandlerOptions
}
func newRPCHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
options := server.NewHandlerOptions(opts...)
func newRpcHandler(handler interface{}, opts ...server.HandlerOption) server.Handler {
options := server.HandlerOptions{
Metadata: make(map[string]map[string]string),
}
for _, o := range opts {
o(&options)
}
typ := reflect.TypeOf(handler)
hdlr := reflect.ValueOf(handler)
name := reflect.Indirect(hdlr).Type().Name()
var endpoints []*register.Endpoint
var endpoints []*registry.Endpoint
for m := 0; m < typ.NumMethod(); m++ {
if e := register.ExtractEndpoint(typ.Method(m)); e != nil {
if e := extractEndpoint(typ.Method(m)); e != nil {
e.Name = name + "." + e.Name
for k, v := range options.Metadata[e.Name] {
@ -51,7 +57,7 @@ func (r *rpcHandler) Handler() interface{} {
return r.handler
}
func (r *rpcHandler) Endpoints() []*register.Endpoint {
func (r *rpcHandler) Endpoints() []*registry.Endpoint {
return r.endpoints
}

View File

@ -2,19 +2,21 @@ package grpc
import (
"context"
"crypto/tls"
"net"
"go.unistack.org/micro/v3/server"
"github.com/unistack-org/micro/v3/server"
"google.golang.org/grpc"
"google.golang.org/grpc/encoding"
)
type (
codecsKey struct{}
grpcOptions struct{}
maxMsgSizeKey struct{}
reflectionKey struct{}
unknownServiceHandlerKey struct{}
)
type codecsKey struct{}
type grpcOptions struct{}
type netListener struct{}
type maxMsgSizeKey struct{}
type maxConnKey struct{}
type tlsAuth struct{}
type 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 {
@ -31,23 +33,35 @@ func Codec(contentType string, c encoding.Codec) server.Option {
}
}
// Options to be used to configure gRPC options
func Options(opts ...grpc.ServerOption) server.Option {
return server.SetOption(grpcOptions{}, opts)
// AuthTLS should be used to setup a secure authentication using TLS
func AuthTLS(t *tls.Config) server.Option {
return setServerOption(tlsAuth{}, t)
}
// MaxConn specifies maximum number of max simultaneous connections to server
func MaxConn(n int) server.Option {
return setServerOption(maxConnKey{}, n)
}
// Listener specifies the net.Listener to use instead of the default
func Listener(l net.Listener) server.Option {
return setServerOption(netListener{}, l)
}
// Options to be used to configure gRPC options
func Options(opts ...grpc.ServerOption) server.Option {
return setServerOption(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 server.SetOption(maxMsgSizeKey{}, s)
return setServerOption(maxMsgSizeKey{}, s)
}
// Reflection enables reflection support in grpc server
func Reflection(r Reflector) server.Option {
return server.SetOption(reflectionKey{}, r)
}
// UnknownServiceHandler enables support for all services
func UnknownServiceHandler(h grpc.StreamHandler) server.Option {
return server.SetOption(unknownServiceHandlerKey{}, h)
func Reflection(b bool) server.Option {
return setServerOption(reflectionKey{}, b)
}

View File

@ -1,208 +0,0 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v4.25.2
// source: test.proto
package testpb
import (
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
type CallReq struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data string `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *CallReq) Reset() {
*x = CallReq{}
if protoimpl.UnsafeEnabled {
mi := &file_test_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CallReq) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CallReq) ProtoMessage() {}
func (x *CallReq) ProtoReflect() protoreflect.Message {
mi := &file_test_proto_msgTypes[0]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use CallReq.ProtoReflect.Descriptor instead.
func (*CallReq) Descriptor() ([]byte, []int) {
return file_test_proto_rawDescGZIP(), []int{0}
}
func (x *CallReq) GetData() string {
if x != nil {
return x.Data
}
return ""
}
type CallRsp struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Data string `protobuf:"bytes,1,opt,name=data,proto3" json:"data,omitempty"`
}
func (x *CallRsp) Reset() {
*x = CallRsp{}
if protoimpl.UnsafeEnabled {
mi := &file_test_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CallRsp) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CallRsp) ProtoMessage() {}
func (x *CallRsp) ProtoReflect() protoreflect.Message {
mi := &file_test_proto_msgTypes[1]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use CallRsp.ProtoReflect.Descriptor instead.
func (*CallRsp) Descriptor() ([]byte, []int) {
return file_test_proto_rawDescGZIP(), []int{1}
}
func (x *CallRsp) GetData() string {
if x != nil {
return x.Data
}
return ""
}
var File_test_proto protoreflect.FileDescriptor
var file_test_proto_rawDesc = []byte{
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0x32, 0x33, 0x0a, 0x0b, 0x54, 0x65, 0x73, 0x74, 0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12,
0x24, 0x0a, 0x04, 0x43, 0x61, 0x6c, 0x6c, 0x12, 0x0d, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x43,
0x61, 0x6c, 0x6c, 0x52, 0x65, 0x71, 0x1a, 0x0d, 0x2e, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x43, 0x61,
0x6c, 0x6c, 0x52, 0x73, 0x70, 0x42, 0x0b, 0x5a, 0x09, 0x2e, 0x2f, 0x3b, 0x74, 0x65, 0x73, 0x74,
0x70, 0x62, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
}
var (
file_test_proto_rawDescOnce sync.Once
file_test_proto_rawDescData = file_test_proto_rawDesc
)
func file_test_proto_rawDescGZIP() []byte {
file_test_proto_rawDescOnce.Do(func() {
file_test_proto_rawDescData = protoimpl.X.CompressGZIP(file_test_proto_rawDescData)
})
return file_test_proto_rawDescData
}
var file_test_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
var file_test_proto_goTypes = []interface{}{
(*CallReq)(nil), // 0: test.CallReq
(*CallRsp)(nil), // 1: test.CallRsp
}
var file_test_proto_depIdxs = []int32{
0, // 0: test.TestService.Call:input_type -> test.CallReq
1, // 1: test.TestService.Call:output_type -> test.CallRsp
1, // [1:2] is the sub-list for method output_type
0, // [0:1] is the sub-list for method input_type
0, // [0:0] is the sub-list for extension type_name
0, // [0:0] is the sub-list for extension extendee
0, // [0:0] is the sub-list for field type_name
}
func init() { file_test_proto_init() }
func file_test_proto_init() {
if File_test_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_test_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CallReq); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_test_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CallRsp); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_test_proto_rawDesc,
NumEnums: 0,
NumMessages: 2,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_test_proto_goTypes,
DependencyIndexes: file_test_proto_depIdxs,
MessageInfos: file_test_proto_msgTypes,
}.Build()
File_test_proto = out.File
file_test_proto_rawDesc = nil
file_test_proto_goTypes = nil
file_test_proto_depIdxs = nil
}

View File

@ -1,18 +0,0 @@
syntax = "proto3";
package test;
option go_package = "./;testpb";
service TestService {
rpc Call(CallReq) returns (CallRsp);
}
message CallReq {
string data = 1;
}
message CallRsp {
string data = 1;
}

View File

@ -1,109 +0,0 @@
// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
// versions:
// - protoc-gen-go-grpc v1.3.0
// - protoc v4.25.2
// source: test.proto
package testpb
import (
context "context"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
)
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
// Requires gRPC-Go v1.32.0 or later.
const _ = grpc.SupportPackageIsVersion7
const (
TestService_Call_FullMethodName = "/test.TestService/Call"
)
// TestServiceClient is the client API for TestService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
type TestServiceClient interface {
Call(ctx context.Context, in *CallReq, opts ...grpc.CallOption) (*CallRsp, error)
}
type testServiceClient struct {
cc grpc.ClientConnInterface
}
func NewTestServiceClient(cc grpc.ClientConnInterface) TestServiceClient {
return &testServiceClient{cc}
}
func (c *testServiceClient) Call(ctx context.Context, in *CallReq, opts ...grpc.CallOption) (*CallRsp, error) {
out := new(CallRsp)
err := c.cc.Invoke(ctx, TestService_Call_FullMethodName, in, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// TestServiceServer is the server API for TestService service.
// All implementations must embed UnimplementedTestServiceServer
// for forward compatibility
type TestServiceServer interface {
Call(context.Context, *CallReq) (*CallRsp, error)
mustEmbedUnimplementedTestServiceServer()
}
// UnimplementedTestServiceServer must be embedded to have forward compatible implementations.
type UnimplementedTestServiceServer struct {
}
func (UnimplementedTestServiceServer) Call(context.Context, *CallReq) (*CallRsp, error) {
return nil, status.Errorf(codes.Unimplemented, "method Call not implemented")
}
func (UnimplementedTestServiceServer) mustEmbedUnimplementedTestServiceServer() {}
// UnsafeTestServiceServer may be embedded to opt out of forward compatibility for this service.
// Use of this interface is not recommended, as added methods to TestServiceServer will
// result in compilation errors.
type UnsafeTestServiceServer interface {
mustEmbedUnimplementedTestServiceServer()
}
func RegisterTestServiceServer(s grpc.ServiceRegistrar, srv TestServiceServer) {
s.RegisterService(&TestService_ServiceDesc, srv)
}
func _TestService_Call_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(CallReq)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(TestServiceServer).Call(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: TestService_Call_FullMethodName,
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(TestServiceServer).Call(ctx, req.(*CallReq))
}
return interceptor(ctx, in, info, handler)
}
// TestService_ServiceDesc is the grpc.ServiceDesc for TestService service.
// It's only intended for direct use with grpc.RegisterService,
// and not to be introspected or modified (even as a copy)
var TestService_ServiceDesc = grpc.ServiceDesc{
ServiceName: "test.TestService",
HandlerType: (*TestServiceServer)(nil),
Methods: []grpc.MethodDesc{
{
MethodName: "Call",
Handler: _TestService_Call_Handler,
},
},
Streams: []grpc.StreamDesc{},
Metadata: "test.proto",
}

View File

@ -1,21 +1,486 @@
/*
*
* Copyright 2016 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
Package reflection implements server reflection service.
The service implemented is defined in:
https://github.com/grpc/grpc/blob/master/src/proto/grpc/reflection/v1alpha/reflection.proto.
To register server reflection on a gRPC server:
import "google.golang.org/grpc/reflection"
s := grpc.NewServer()
pb.RegisterYourOwnServer(s, &server{})
// Register reflection service on gRPC server.
reflection.Register(s)
s.Serve(lis)
*/
package grpc
import (
"google.golang.org/grpc/reflection"
"google.golang.org/protobuf/reflect/protodesc"
"bytes"
"compress/gzip"
"fmt"
"io"
"io/ioutil"
"reflect"
"sort"
"sync"
"github.com/golang/protobuf/proto"
dpb "github.com/golang/protobuf/protoc-gen-go/descriptor"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
rpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
"google.golang.org/grpc/status"
)
type Reflector interface {
protodesc.Resolver
reflection.ServiceInfoProvider
reflection.ExtensionResolver
type serverReflectionServer struct {
rpb.UnimplementedServerReflectionServer
s *grpc.Server
initSymbols sync.Once
serviceNames []string
symbols map[string]*dpb.FileDescriptorProto // map of fully-qualified names to files
}
const (
// ReflectV1ServiceName is the fully-qualified name of the v1 version of the reflection service.
ReflectV1ServiceName = "grpc.reflection.v1.ServerReflection"
// ReflectServiceURLPathV1 is the full path for reflection service endpoint
ReflectServiceURLPathV1 = "/" + ReflectV1ServiceName + "/"
// ReflectMethodName is the reflection service name
ReflectMethodName = "ServerReflectionInfo"
)
// Register registers the server reflection service on the given gRPC server.
func Register(s *grpc.Server) {
rpb.RegisterServerReflectionServer(s, &serverReflectionServer{
s: s,
})
}
// protoMessage is used for type assertion on proto messages.
// Generated proto message implements function Descriptor(), but Descriptor()
// is not part of interface proto.Message. This interface is needed to
// call Descriptor().
type protoMessage interface {
Descriptor() ([]byte, []int)
}
func (s *serverReflectionServer) getSymbols() (svcNames []string, symbolIndex map[string]*dpb.FileDescriptorProto) {
s.initSymbols.Do(func() {
serviceInfo := s.s.GetServiceInfo()
s.symbols = map[string]*dpb.FileDescriptorProto{}
s.serviceNames = make([]string, 0, len(serviceInfo))
processed := map[string]struct{}{}
for svc, info := range serviceInfo {
s.serviceNames = append(s.serviceNames, svc)
fdenc, ok := parseMetadata(info.Metadata)
if !ok {
continue
}
fd, err := decodeFileDesc(fdenc)
if err != nil {
continue
}
s.processFile(fd, processed)
}
sort.Strings(s.serviceNames)
})
return s.serviceNames, s.symbols
}
func (s *serverReflectionServer) processFile(fd *dpb.FileDescriptorProto, processed map[string]struct{}) {
filename := fd.GetName()
if _, ok := processed[filename]; ok {
return
}
processed[filename] = struct{}{}
prefix := fd.GetPackage()
for _, msg := range fd.MessageType {
s.processMessage(fd, prefix, msg)
}
for _, en := range fd.EnumType {
s.processEnum(fd, prefix, en)
}
for _, ext := range fd.Extension {
s.processField(fd, prefix, ext)
}
for _, svc := range fd.Service {
svcName := fqn(prefix, svc.GetName())
s.symbols[svcName] = fd
for _, meth := range svc.Method {
name := fqn(svcName, meth.GetName())
s.symbols[name] = fd
}
}
for _, dep := range fd.Dependency {
fdenc := proto.FileDescriptor(dep)
fdDep, err := decodeFileDesc(fdenc)
if err != nil {
continue
}
s.processFile(fdDep, processed)
}
}
func (s *serverReflectionServer) processMessage(fd *dpb.FileDescriptorProto, prefix string, msg *dpb.DescriptorProto) {
msgName := fqn(prefix, msg.GetName())
s.symbols[msgName] = fd
for _, nested := range msg.NestedType {
s.processMessage(fd, msgName, nested)
}
for _, en := range msg.EnumType {
s.processEnum(fd, msgName, en)
}
for _, ext := range msg.Extension {
s.processField(fd, msgName, ext)
}
for _, fld := range msg.Field {
s.processField(fd, msgName, fld)
}
for _, oneof := range msg.OneofDecl {
oneofName := fqn(msgName, oneof.GetName())
s.symbols[oneofName] = fd
}
}
func (s *serverReflectionServer) processEnum(fd *dpb.FileDescriptorProto, prefix string, en *dpb.EnumDescriptorProto) {
enName := fqn(prefix, en.GetName())
s.symbols[enName] = fd
for _, val := range en.Value {
valName := fqn(enName, val.GetName())
s.symbols[valName] = fd
}
}
func (s *serverReflectionServer) processField(fd *dpb.FileDescriptorProto, prefix string, fld *dpb.FieldDescriptorProto) {
fldName := fqn(prefix, fld.GetName())
s.symbols[fldName] = fd
}
func fqn(prefix, name string) string {
if prefix == "" {
return name
}
return prefix + "." + name
}
// fileDescForType gets the file descriptor for the given type.
// The given type should be a proto message.
func (s *serverReflectionServer) fileDescForType(st reflect.Type) (*dpb.FileDescriptorProto, error) {
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(protoMessage)
if !ok {
return nil, fmt.Errorf("failed to create message from type: %v", st)
}
enc, _ := m.Descriptor()
return decodeFileDesc(enc)
}
// decodeFileDesc does decompression and unmarshalling on the given
// file descriptor byte slice.
func decodeFileDesc(enc []byte) (*dpb.FileDescriptorProto, error) {
raw, err := decompress(enc)
if err != nil {
return nil, fmt.Errorf("failed to decompress enc: %v", err)
}
fd := new(dpb.FileDescriptorProto)
if err := proto.Unmarshal(raw, fd); err != nil {
return nil, fmt.Errorf("bad descriptor: %v", err)
}
return fd, nil
}
// decompress does gzip decompression.
func decompress(b []byte) ([]byte, error) {
r, err := gzip.NewReader(bytes.NewReader(b))
if err != nil {
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
}
out, err := ioutil.ReadAll(r)
if err != nil {
return nil, fmt.Errorf("bad gzipped descriptor: %v", err)
}
return out, nil
}
func typeForName(name string) (reflect.Type, error) {
pt := proto.MessageType(name)
if pt == nil {
return nil, fmt.Errorf("unknown type: %q", name)
}
st := pt.Elem()
return st, nil
}
func fileDescContainingExtension(st reflect.Type, ext int32) (*dpb.FileDescriptorProto, error) {
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
if !ok {
return nil, fmt.Errorf("failed to create message from type: %v", st)
}
var extDesc *proto.ExtensionDesc
for id, desc := range proto.RegisteredExtensions(m) {
if id == ext {
extDesc = desc
break
}
}
if extDesc == nil {
return nil, fmt.Errorf("failed to find registered extension for extension number %v", ext)
}
return decodeFileDesc(proto.FileDescriptor(extDesc.Filename))
}
func (s *serverReflectionServer) allExtensionNumbersForType(st reflect.Type) ([]int32, error) {
m, ok := reflect.Zero(reflect.PtrTo(st)).Interface().(proto.Message)
if !ok {
return nil, fmt.Errorf("failed to create message from type: %v", st)
}
exts := proto.RegisteredExtensions(m)
out := make([]int32, 0, len(exts))
for id := range exts {
out = append(out, id)
}
return out, nil
}
// fileDescWithDependencies returns a slice of serialized fileDescriptors in
// wire format ([]byte). The fileDescriptors will include fd and all the
// transitive dependencies of fd with names not in sentFileDescriptors.
func fileDescWithDependencies(fd *dpb.FileDescriptorProto, sentFileDescriptors map[string]bool) ([][]byte, error) {
r := [][]byte{}
queue := []*dpb.FileDescriptorProto{fd}
for len(queue) > 0 {
currentfd := queue[0]
queue = queue[1:]
if sent := sentFileDescriptors[currentfd.GetName()]; len(r) == 0 || !sent {
sentFileDescriptors[currentfd.GetName()] = true
currentfdEncoded, err := proto.Marshal(currentfd)
if err != nil {
return nil, err
}
r = append(r, currentfdEncoded)
}
for _, dep := range currentfd.Dependency {
fdenc := proto.FileDescriptor(dep)
fdDep, err := decodeFileDesc(fdenc)
if err != nil {
continue
}
queue = append(queue, fdDep)
}
}
return r, nil
}
// fileDescEncodingByFilename finds the file descriptor for given filename,
// finds all of its previously unsent transitive dependencies, does marshalling
// on them, and returns the marshalled result.
func (s *serverReflectionServer) fileDescEncodingByFilename(name string, sentFileDescriptors map[string]bool) ([][]byte, error) {
enc := proto.FileDescriptor(name)
if enc == nil {
return nil, fmt.Errorf("unknown file: %v", name)
}
fd, err := decodeFileDesc(enc)
if err != nil {
return nil, err
}
return fileDescWithDependencies(fd, sentFileDescriptors)
}
// parseMetadata finds the file descriptor bytes specified meta.
// For SupportPackageIsVersion4, m is the name of the proto file, we
// call proto.FileDescriptor to get the byte slice.
// For SupportPackageIsVersion3, m is a byte slice itself.
func parseMetadata(meta interface{}) ([]byte, bool) {
// Check if meta is the file name.
if fileNameForMeta, ok := meta.(string); ok {
return proto.FileDescriptor(fileNameForMeta), true
}
// Check if meta is the byte slice.
if enc, ok := meta.([]byte); ok {
return enc, true
}
return nil, false
}
// fileDescEncodingContainingSymbol finds the file descriptor containing the
// given symbol, finds all of its previously unsent transitive dependencies,
// does marshalling on them, and returns the marshalled result. The given symbol
// can be a type, a service or a method.
func (s *serverReflectionServer) fileDescEncodingContainingSymbol(name string, sentFileDescriptors map[string]bool) ([][]byte, error) {
_, symbols := s.getSymbols()
fd := symbols[name]
if fd == nil {
// Check if it's a type name that was not present in the
// transitive dependencies of the registered services.
if st, err := typeForName(name); err == nil {
fd, err = s.fileDescForType(st)
if err != nil {
return nil, err
}
}
}
if fd == nil {
return nil, fmt.Errorf("unknown symbol: %v", name)
}
return fileDescWithDependencies(fd, sentFileDescriptors)
}
// fileDescEncodingContainingExtension finds the file descriptor containing
// given extension, finds all of its previously unsent transitive dependencies,
// does marshalling on them, and returns the marshalled result.
func (s *serverReflectionServer) fileDescEncodingContainingExtension(typeName string, extNum int32, sentFileDescriptors map[string]bool) ([][]byte, error) {
st, err := typeForName(typeName)
if err != nil {
return nil, err
}
fd, err := fileDescContainingExtension(st, extNum)
if err != nil {
return nil, err
}
return fileDescWithDependencies(fd, sentFileDescriptors)
}
// allExtensionNumbersForTypeName returns all extension numbers for the given type.
func (s *serverReflectionServer) allExtensionNumbersForTypeName(name string) ([]int32, error) {
st, err := typeForName(name)
if err != nil {
return nil, err
}
extNums, err := s.allExtensionNumbersForType(st)
if err != nil {
return nil, err
}
return extNums, nil
}
// ServerReflectionInfo is the reflection service handler.
func (s *serverReflectionServer) ServerReflectionInfo(stream rpb.ServerReflection_ServerReflectionInfoServer) error {
sentFileDescriptors := make(map[string]bool)
for {
in, err := stream.Recv()
if err == io.EOF {
return nil
}
if err != nil {
return err
}
out := &rpb.ServerReflectionResponse{
ValidHost: in.Host,
OriginalRequest: in,
}
switch req := in.MessageRequest.(type) {
case *rpb.ServerReflectionRequest_FileByFilename:
b, err := s.fileDescEncodingByFilename(req.FileByFilename, sentFileDescriptors)
if err != nil {
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
}
}
case *rpb.ServerReflectionRequest_FileContainingSymbol:
b, err := s.fileDescEncodingContainingSymbol(req.FileContainingSymbol, sentFileDescriptors)
if err != nil {
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
}
}
case *rpb.ServerReflectionRequest_FileContainingExtension:
typeName := req.FileContainingExtension.ContainingType
extNum := req.FileContainingExtension.ExtensionNumber
b, err := s.fileDescEncodingContainingExtension(typeName, extNum, sentFileDescriptors)
if err != nil {
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_FileDescriptorResponse{
FileDescriptorResponse: &rpb.FileDescriptorResponse{FileDescriptorProto: b},
}
}
case *rpb.ServerReflectionRequest_AllExtensionNumbersOfType:
extNums, err := s.allExtensionNumbersForTypeName(req.AllExtensionNumbersOfType)
if err != nil {
out.MessageResponse = &rpb.ServerReflectionResponse_ErrorResponse{
ErrorResponse: &rpb.ErrorResponse{
ErrorCode: int32(codes.NotFound),
ErrorMessage: err.Error(),
},
}
} else {
out.MessageResponse = &rpb.ServerReflectionResponse_AllExtensionNumbersResponse{
AllExtensionNumbersResponse: &rpb.ExtensionNumberResponse{
BaseTypeName: req.AllExtensionNumbersOfType,
ExtensionNumber: extNums,
},
}
}
case *rpb.ServerReflectionRequest_ListServices:
svcNames, _ := s.getSymbols()
serviceResponses := make([]*rpb.ServiceResponse, len(svcNames))
for i, n := range svcNames {
serviceResponses[i] = &rpb.ServiceResponse{
Name: n,
}
}
out.MessageResponse = &rpb.ServerReflectionResponse_ListServicesResponse{
ListServicesResponse: &rpb.ListServiceResponse{
Service: serviceResponses,
},
}
default:
return status.Errorf(codes.InvalidArgument, "invalid MessageRequest: %v", in.MessageRequest)
}
if err := stream.Send(out); err != nil {
return err
}
}
}

View File

@ -1,62 +0,0 @@
package grpc
import (
"fmt"
"testing"
_ "go.unistack.org/micro-server-grpc/v3/proto"
"go.unistack.org/micro/v3/server"
"google.golang.org/grpc"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/reflect/protoregistry"
)
type reflector struct{}
func (r *reflector) FindFileByPath(path string) (protoreflect.FileDescriptor, error) {
fd, err := protoregistry.GlobalFiles.FindFileByPath(path)
if err != nil {
fmt.Printf("err: %v\n", err)
return nil, err
}
return fd, nil
}
func (r *reflector) FindDescriptorByName(name protoreflect.FullName) (protoreflect.Descriptor, error) {
fd, err := protoregistry.GlobalFiles.FindDescriptorByName(name)
if err != nil {
return nil, err
}
return fd, nil
}
func (r *reflector) GetServiceInfo() map[string]grpc.ServiceInfo {
fmt.Printf("GetServiceInfo\n")
return nil
}
func (r *reflector) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
fmt.Printf("FindExtensionByName field %#+v\n", field)
return nil, nil
}
func (r *reflector) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
fmt.Printf("FindExtensionByNumber message %#+v field %#+v\n", message, field)
return nil, nil
}
func (r *reflector) RangeExtensionsByMessage(message protoreflect.FullName, f func(protoreflect.ExtensionType) bool) {
fmt.Printf("RangeExtensionsByMessage\n")
}
func TestReflector(t *testing.T) {
srv := NewServer(Reflection(&reflector{}), server.Address(":12345"))
if err := srv.Init(); err != nil {
t.Fatal(err)
}
if err := srv.Start(); err != nil {
t.Fatal(err)
}
t.Logf("addr %s", srv.Options().Address)
select {}
}

View File

@ -1,25 +1,28 @@
package grpc
import (
"io"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/server"
"github.com/unistack-org/micro/v3/codec"
"github.com/unistack-org/micro-codec-bytes"
)
var _ server.Request = &rpcRequest{}
type rpcRequest struct {
rw io.ReadWriter
payload interface{}
codec codec.Codec
header metadata.Metadata
method string
endpoint string
contentType string
service string
method string
contentType string
codec codec.Codec
header map[string]string
body []byte
stream bool
payload interface{}
}
type rpcMessage struct {
topic string
contentType string
payload interface{}
header map[string]string
body []byte
codec codec.Codec
}
func (r *rpcRequest) ContentType() string {
@ -35,19 +38,23 @@ func (r *rpcRequest) Method() string {
}
func (r *rpcRequest) Endpoint() string {
return r.endpoint
return r.method
}
func (r *rpcRequest) Codec() codec.Codec {
func (r *rpcRequest) Codec() codec.Reader {
return r.codec
}
func (r *rpcRequest) Header() metadata.Metadata {
func (r *rpcRequest) Header() map[string]string {
return r.header
}
func (r *rpcRequest) Read() ([]byte, error) {
return nil, nil
f := &bytes.Frame{}
if err := r.codec.ReadBody(f); err != nil {
return nil, err
}
return f.Data, nil
}
func (r *rpcRequest) Stream() bool {
@ -57,3 +64,27 @@ func (r *rpcRequest) Stream() bool {
func (r *rpcRequest) Body() interface{} {
return r.payload
}
func (r *rpcMessage) ContentType() string {
return r.contentType
}
func (r *rpcMessage) Topic() string {
return r.topic
}
func (r *rpcMessage) Payload() interface{} {
return r.payload
}
func (r *rpcMessage) Header() map[string]string {
return r.header
}
func (r *rpcMessage) Body() []byte {
return r.body
}
func (r *rpcMessage) Codec() codec.Reader {
return r.codec
}

View File

@ -1,31 +1,27 @@
package grpc
import (
"io"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/server"
"github.com/unistack-org/micro/v3/codec"
)
var _ server.Response = &rpcResponse{}
type rpcResponse struct {
rw io.ReadWriter
header metadata.Metadata
header map[string]string
codec codec.Codec
}
func (r *rpcResponse) Codec() codec.Codec {
func (r *rpcResponse) Codec() codec.Writer {
return r.codec
}
func (r *rpcResponse) WriteHeader(hdr metadata.Metadata) {
func (r *rpcResponse) WriteHeader(hdr map[string]string) {
for k, v := range hdr {
r.header[k] = v
}
}
func (r *rpcResponse) Write(b []byte) error {
return nil
return r.codec.Write(&codec.Message{
Header: r.header,
Body: b,
}, nil)
}

View File

@ -14,35 +14,38 @@ import (
"unicode"
"unicode/utf8"
"go.unistack.org/micro/v3/server"
"github.com/unistack-org/micro/v3/logger"
"github.com/unistack-org/micro/v3/server"
)
// 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()
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()
)
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 {
typ reflect.Type
method map[string]*methodType
rcvr reflect.Value
name string
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
}
// server represents an RPC Server.
type rServer struct {
mu sync.RWMutex // protects the serviceMap
serviceMap map[string]*service
mu sync.RWMutex
// reflection bool
reflection bool
}
// Is this an exported - upper case - name?
@ -63,7 +66,7 @@ func isExportedOrBuiltinType(t reflect.Type) bool {
// prepareEndpoint() returns a methodType for the provided method or nil
// in case if the method was unsuitable.
func prepareEndpoint(method reflect.Method) (*methodType, error) {
func prepareEndpoint(method reflect.Method) *methodType {
mtype := method.Type
mname := method.Name
var replyType, argType, contextType reflect.Type
@ -71,7 +74,7 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
// Endpoint() must be exported.
if method.PkgPath != "" {
return nil, fmt.Errorf("Endpoint must be exported")
return nil
}
switch mtype.NumIn() {
@ -86,41 +89,63 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
replyType = mtype.In(3)
contextType = mtype.In(1)
default:
return nil, fmt.Errorf("method %v of %v has wrong number of ins: %v", mname, mtype, mtype.NumIn())
if logger.V(logger.ErrorLevel) {
logger.Errorf("method %v of %v has wrong number of ins: %v", mname, mtype, mtype.NumIn())
}
return nil
}
switch stream {
case true:
if stream {
// 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)
if logger.V(logger.ErrorLevel) {
logger.Errorf("%v argument does not implement Streamer interface: %v", mname, argType)
}
return nil
}
default:
} else {
// 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)
if logger.V(logger.ErrorLevel) {
logger.Errorf("%v argument type not exported: %v", mname, argType)
}
return nil
}
if replyType.Kind() != reflect.Ptr {
return nil, fmt.Errorf("method %v reply type not a pointer: %v", mname, replyType)
if logger.V(logger.ErrorLevel) {
logger.Errorf("method %v reply type not a pointer: %v", mname, replyType)
}
return nil
}
// Reply type must be exported.
if !isExportedOrBuiltinType(replyType) {
return nil, fmt.Errorf("method %v reply type not exported: %v", mname, replyType)
if logger.V(logger.ErrorLevel) {
logger.Errorf("method %v reply type not exported: %v", mname, replyType)
}
return nil
}
}
// Endpoint() needs one out.
if mtype.NumOut() != 1 {
return nil, fmt.Errorf("method %v has wrong number of outs: %v", mname, mtype.NumOut())
if logger.V(logger.ErrorLevel) {
logger.Errorf("method %v has wrong number of outs: %v", mname, mtype.NumOut())
}
return nil
}
// The return type of the method must be error.
if returnType := mtype.Out(0); returnType != typeOfError {
return nil, fmt.Errorf("method %v returns %v not error", mname, returnType.String())
if logger.V(logger.ErrorLevel) {
logger.Errorf("method %v returns %v not error", mname, returnType.String())
}
return nil
}
return &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}, nil
return &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}
}
func (server *rServer) register(rcvr interface{}) error {
@ -137,7 +162,11 @@ func (server *rServer) register(rcvr interface{}) error {
return fmt.Errorf("rpc: no service name for type %v", s.typ.String())
}
if !isExported(sname) {
return fmt.Errorf("rpc Register: type %s is not exported", sname)
s := "rpc Register: type " + sname + " is not exported"
if logger.V(logger.ErrorLevel) {
logger.Error(s)
}
return fmt.Errorf(s)
}
if _, present := server.serviceMap[sname]; present {
return fmt.Errorf("rpc: service already defined: " + sname)
@ -148,16 +177,17 @@ func (server *rServer) register(rcvr interface{}) error {
// Install the methods
for m := 0; m < s.typ.NumMethod(); m++ {
method := s.typ.Method(m)
mt, err := prepareEndpoint(method)
if mt != nil && err == nil {
if mt := prepareEndpoint(method); mt != nil {
s.method[method.Name] = mt
} else if err != nil {
return err
}
}
if len(s.method) == 0 {
return fmt.Errorf("rpc Register: type %s has no exported methods of suitable type", sname)
s := "rpc Register: type " + sname + " has no exported methods of suitable type"
if logger.V(logger.ErrorLevel) {
logger.Error(s)
}
return fmt.Errorf(s)
}
server.serviceMap[s.name] = s
return nil

View File

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

View File

@ -4,51 +4,25 @@ import (
"context"
"fmt"
"reflect"
"runtime/debug"
"strings"
"go.unistack.org/micro/v3/broker"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/logger"
"go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/options"
"go.unistack.org/micro/v3/register"
"go.unistack.org/micro/v3/server"
"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/registry"
"github.com/unistack-org/micro/v3/server"
)
var _ server.Message = &rpcMessage{}
type rpcMessage struct {
payload interface{}
codec codec.Codec
header metadata.Metadata
topic string
contentType string
}
func (r *rpcMessage) ContentType() string {
return r.contentType
}
func (r *rpcMessage) Topic() string {
return r.topic
}
func (r *rpcMessage) Body() interface{} {
return r.payload
}
func (r *rpcMessage) Header() metadata.Metadata {
return r.header
}
func (r *rpcMessage) Codec() codec.Codec {
return r.codec
}
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 {
@ -57,14 +31,17 @@ type subscriber struct {
typ reflect.Type
subscriber interface{}
handlers []*handler
endpoints []*register.Endpoint
endpoints []*registry.Endpoint
opts server.SubscriberOptions
}
func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber {
options := server.NewSubscriberOptions(opts...)
options := server.NewSubscriberOptions()
for _, o := range opts {
o(&options)
}
var endpoints []*register.Endpoint
var endpoints []*registry.Endpoint
var handlers []*handler
if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func {
@ -82,9 +59,9 @@ func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOptio
handlers = append(handlers, h)
endpoints = append(endpoints, &register.Endpoint{
endpoints = append(endpoints, &registry.Endpoint{
Name: "Func",
Request: register.ExtractSubValue(typ),
Request: extractSubValue(typ),
Metadata: map[string]string{
"topic": topic,
"subscriber": "true",
@ -110,9 +87,9 @@ func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOptio
handlers = append(handlers, h)
endpoints = append(endpoints, &register.Endpoint{
endpoints = append(endpoints, &registry.Endpoint{
Name: name + "." + method.Name,
Request: register.ExtractSubValue(method.Type),
Request: extractSubValue(method.Type),
Metadata: map[string]string{
"topic": topic,
"subscriber": "true",
@ -132,8 +109,72 @@ func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOptio
}
}
func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Handler {
func validateSubscriber(sub server.Subscriber) error {
typ := reflect.TypeOf(sub.Subscriber())
var argType reflect.Type
if typ.Kind() == reflect.Func {
name := "Func"
switch typ.NumIn() {
case 2:
argType = typ.In(1)
default:
return fmt.Errorf("subscriber %v takes wrong number of args: %v required signature %s", name, typ.NumIn(), subSig)
}
if !isExportedOrBuiltinType(argType) {
return fmt.Errorf("subscriber %v argument type not exported: %v", name, argType)
}
if typ.NumOut() != 1 {
return fmt.Errorf("subscriber %v has wrong number of outs: %v require signature %s",
name, typ.NumOut(), subSig)
}
if returnType := typ.Out(0); returnType != typeOfError {
return fmt.Errorf("subscriber %v returns %v not error", name, returnType.String())
}
} else {
hdlr := reflect.ValueOf(sub.Subscriber())
name := reflect.Indirect(hdlr).Type().Name()
for m := 0; m < typ.NumMethod(); m++ {
method := typ.Method(m)
switch method.Type.NumIn() {
case 3:
argType = method.Type.In(2)
default:
return fmt.Errorf("subscriber %v.%v takes wrong number of args: %v required signature %s",
name, method.Name, method.Type.NumIn(), subSig)
}
if !isExportedOrBuiltinType(argType) {
return fmt.Errorf("%v argument type not exported: %v", name, argType)
}
if method.Type.NumOut() != 1 {
return fmt.Errorf(
"subscriber %v.%v has wrong number of outs: %v require signature %s",
name, method.Name, method.Type.NumOut(), subSig)
}
if returnType := method.Type.Out(0); returnType != typeOfError {
return fmt.Errorf("subscriber %v.%v returns %v not error", name, method.Name, returnType.String())
}
}
}
return nil
}
func (g *grpcServer) createSubHandler(sb *subscriber, opts server.Options) broker.Handler {
return func(p broker.Event) (err error) {
defer func() {
if r := recover(); r != nil {
if logger.V(logger.ErrorLevel) {
logger.Error("panic recovered: ", r)
logger.Error(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
if msg.Header == nil {
@ -142,10 +183,10 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
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)
cf, err := g.newGRPCCodec(ct)
if err != nil {
return err
}
@ -154,8 +195,8 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
for k, v := range msg.Header {
hdr[k] = v
}
ctx := metadata.NewIncomingContext(sb.opts.Context, hdr)
delete(hdr, "Content-Type")
ctx := metadata.NewContext(sb.opts.Context, hdr)
results := make(chan error, len(sb.handlers))
@ -188,7 +229,7 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
vals = append(vals, reflect.ValueOf(ctx))
}
vals = append(vals, reflect.ValueOf(msg.Body()))
vals = append(vals, reflect.ValueOf(msg.Payload()))
returnValues := handler.method.Call(vals)
if rerr := returnValues[0].Interface(); rerr != nil {
@ -197,11 +238,9 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
return nil
}
opts.Hooks.EachNext(func(hook options.Hook) {
if h, ok := hook.(server.HookSubHandler); ok {
fn = h(fn)
}
})
for i := len(opts.SubWrappers); i > 0; i-- {
fn = opts.SubWrappers[i-1](fn)
}
if g.wg != nil {
g.wg.Add(1)
@ -210,13 +249,14 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
if g.wg != nil {
defer g.wg.Done()
}
cerr := fn(ctx, &rpcMessage{
err := fn(ctx, &rpcMessage{
topic: sb.topic,
contentType: ct,
payload: req.Interface(),
header: msg.Header,
body: msg.Body,
})
results <- cerr
results <- err
}()
}
var errors []string
@ -241,45 +281,10 @@ func (s *subscriber) Subscriber() interface{} {
return s.subscriber
}
func (s *subscriber) Endpoints() []*register.Endpoint {
func (s *subscriber) Endpoints() []*registry.Endpoint {
return s.endpoints
}
func (s *subscriber) Options() server.SubscriberOptions {
return s.opts
}
func (g *Server) subscribe() error {
config := g.opts
subCtx := config.Context
for sb := range g.subscribers {
if cx := sb.Options().Context; cx != nil {
subCtx = cx
}
opts := []broker.SubscribeOption{
broker.SubscribeContext(subCtx),
broker.SubscribeAutoAck(sb.Options().AutoAck),
broker.SubscribeBodyOnly(sb.Options().BodyOnly),
}
if queue := sb.Options().Queue; len(queue) > 0 {
opts = append(opts, broker.SubscribeGroup(queue))
}
if config.Logger.V(logger.InfoLevel) {
config.Logger.Info(config.Context, "subscribing to topic: "+sb.Topic())
}
sub, err := config.Broker.Subscribe(subCtx, sb.Topic(), g.createSubHandler(sb, config), opts...)
if err != nil {
return err
}
g.subscribers[sb] = []broker.Subscriber{sub}
}
return nil
}

59
util.go
View File

@ -1,59 +0,0 @@
package grpc
import (
"fmt"
"strings"
)
// ServiceMethod converts a gRPC method to a Go method
// Input:
// Foo.Bar, /Foo/Bar, /package.Foo/Bar, /a.package.Foo/Bar
// Output:
// [Foo, Bar]
func serviceMethod(m string) (string, string, error) {
if len(m) == 0 {
return "", "", fmt.Errorf("malformed method name: %q", m)
}
// grpc method
if m[0] == '/' {
// [ , Foo, Bar]
// [ , package.Foo, Bar]
// [ , a.package.Foo, Bar]
parts := strings.Split(m, "/")
if len(parts) != 3 || len(parts[1]) == 0 || len(parts[2]) == 0 {
return "", "", fmt.Errorf("malformed method name: %q", m)
}
service := strings.Split(parts[1], ".")
return service[len(service)-1], parts[2], nil
}
// non grpc method
parts := strings.Split(m, ".")
// expect [Foo, Bar]
if len(parts) != 2 {
return "", "", fmt.Errorf("malformed method name: %q", m)
}
return parts[0], parts[1], nil
}
/*
// ServiceFromMethod returns the service
// /service.Foo/Bar => service
func serviceFromMethod(m string) string {
if len(m) == 0 {
return m
}
if m[0] != '/' {
return m
}
parts := strings.Split(m, "/")
if len(parts) < 3 {
return m
}
parts = strings.Split(parts[1], ".")
return strings.Join(parts[:len(parts)-1], ".")
}
*/

View File

@ -1,47 +0,0 @@
package grpc
import (
"testing"
)
func TestServiceMethod(t *testing.T) {
type testCase struct {
input string
service string
method string
err bool
}
methods := []testCase{
{"Foo.Bar", "Foo", "Bar", false},
{"/Foo/Bar", "Foo", "Bar", false},
{"/package.Foo/Bar", "Foo", "Bar", false},
{"/a.package.Foo/Bar", "Foo", "Bar", false},
{"a.package.Foo/Bar", "", "", true},
{"/Foo/Bar/Baz", "", "", true},
{"Foo.Bar.Baz", "", "", true},
}
for _, test := range methods {
service, method, err := serviceMethod(test.input)
if err != nil && test.err == true {
continue
}
t.Logf("input %s service %s method %s", test.input, service, method)
// unexpected error
if err != nil && test.err == false {
t.Fatalf("unexpected err %v for %+v", err, test)
}
// expecter error
if test.err == true && err == nil {
t.Fatalf("expected error for %+v: got service: %s method: %s", test, service, method)
}
if service != test.service {
t.Fatalf("wrong service for %+v: got service: %s method: %s", test, service, method)
}
if method != test.method {
t.Fatalf("wrong method for %+v: got service: %s method: %s", test, service, method)
}
}
}