Compare commits

..

No commits in common. "v3" and "v0.0.1" have entirely different histories.
v3 ... v0.0.1

40 changed files with 2723 additions and 2130 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#go get github.com/psampaz/go-mod-outdated@v0.6.0
go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
#go list -u -m -json all | go-mod-outdated -update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: push:
branches: branches:
- master - master
- v3
jobs: jobs:
test: test:
name: test name: test
runs-on: ubuntu-latest runs-on: ubuntu-latest
steps: steps:
- name: setup - name: setup
uses: actions/setup-go@v3 uses: actions/setup-go@v1
with: with:
go-version: 1.17 go-version: 1.15
- name: checkout - name: checkout
uses: actions/checkout@v3 uses: actions/checkout@v2
- name: cache - name: cache
uses: actions/cache@v3 uses: actions/cache@v2
with: with:
path: ~/go/pkg/mod path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }} key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
runs-on: ubuntu-latest runs-on: ubuntu-latest
steps: steps:
- name: checkout - name: checkout
uses: actions/checkout@v3 uses: actions/checkout@v2
- name: lint - name: lint
uses: golangci/golangci-lint-action@v3.4.0 uses: golangci/golangci-lint-action@v1
continue-on-error: true continue-on-error: true
with: with:
# Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version. # 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: pull_request:
branches: branches:
- master - master
- v3
jobs: jobs:
test: test:
name: test name: test
runs-on: ubuntu-latest runs-on: ubuntu-latest
steps: steps:
- name: setup - name: setup
uses: actions/setup-go@v3 uses: actions/setup-go@v1
with: with:
go-version: 1.17 go-version: 1.15
- name: checkout - name: checkout
uses: actions/checkout@v3 uses: actions/checkout@v2
- name: cache - name: cache
uses: actions/cache@v3 uses: actions/cache@v2
with: with:
path: ~/go/pkg/mod path: ~/go/pkg/mod
key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }} key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
@ -32,9 +31,9 @@ jobs:
runs-on: ubuntu-latest runs-on: ubuntu-latest
steps: steps:
- name: checkout - name: checkout
uses: actions/checkout@v3 uses: actions/checkout@v2
- name: lint - name: lint
uses: golangci/golangci-lint-action@v3.4.0 uses: golangci/golangci-lint-action@v1
continue-on-error: true continue-on-error: true
with: with:
# Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version. # 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 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
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means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
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designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
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Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
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with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
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
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
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
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@ -1,49 +1,233 @@
package grpc package grpc
import ( 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/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 ( var (
_ codec.Codec = &wrapGrpcCodec{} defaultGRPCCodecs = map[string]encoding.Codec{
_ encoding.Codec = &wrapMicroCodec{} "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 wrapCodec) String() string {
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() return w.Codec.Name()
} }
func (w *wrapGrpcCodec) Marshal(v interface{}, opts ...codec.Option) ([]byte, error) { func (w wrapCodec) Marshal(v interface{}) ([]byte, error) {
if m, ok := v.(*codec.Frame); ok { switch m := v.(type) {
case *bytes.Frame:
return m.Data, nil return m.Data, nil
} }
return w.Codec.Marshal(v) return w.Codec.Marshal(v)
} }
func (w *wrapGrpcCodec) Unmarshal(d []byte, v interface{}, opts ...codec.Option) error { func (w wrapCodec) Unmarshal(data []byte, v interface{}) error {
if d == nil || v == nil { if len(data) == 0 {
return nil return nil
} }
if m, ok := v.(*codec.Frame); ok { if v == nil {
m.Data = d
return 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
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@ -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

@ -6,11 +6,13 @@ import (
"net/http" "net/http"
"os" "os"
"go.unistack.org/micro/v3/errors" pb "github.com/unistack-org/micro-server-grpc/internal/errors"
"github.com/unistack-org/micro/v3/errors"
"google.golang.org/grpc/codes" "google.golang.org/grpc/codes"
) )
var errMapping = map[int32]codes.Code{ var (
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,
@ -23,6 +25,7 @@ var errMapping = map[int32]codes.Code{
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 // 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. // 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 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 ec = verr.Code
} }
@ -68,3 +74,16 @@ func microError(err error) codes.Code {
return codes.Unknown 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()}
}
}

17
errors_test.go Normal file
View File

@ -0,0 +1,17 @@
package grpc_test
import (
"testing"
pb "github.com/unistack-org/micro-server-grpc/internal/errors"
"google.golang.org/protobuf/types/known/anypb"
)
func TestErrors(t *testing.T) {
any, err := anypb.New(&pb.Error{})
if err != nil {
t.Fatal(err)
}
t.Logf("srv any: %#+v\n", any)
}

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 package grpc
//go:generate go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest //go:generate protoc -I./internal/errors -I. --go_out=paths=source_relative:./internal/errors internal/errors/server_errors.proto
//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"

28
go.mod
View File

@ -1,20 +1,16 @@
module go.unistack.org/micro-server-grpc/v3 module github.com/unistack-org/micro-server-grpc
go 1.22 go 1.15
toolchain go1.23.1
require ( require (
github.com/golang/protobuf v1.5.4 github.com/golang/protobuf v1.4.2
go.unistack.org/micro/v3 v3.10.97 github.com/google/go-cmp v0.5.1 // indirect
golang.org/x/net v0.30.0 github.com/unistack-org/micro-codec-bytes v0.0.0-20200828083432-4e49e953d844
google.golang.org/grpc v1.67.1 github.com/unistack-org/micro/v3 v3.0.0-gamma.0.20200920124807-9b11ea527aeb
google.golang.org/protobuf v1.35.1 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
require ( golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
go.unistack.org/micro-proto/v3 v3.4.1 // indirect google.golang.org/grpc v1.31.1
golang.org/x/sys v0.26.0 // indirect google.golang.org/protobuf v1.25.0
golang.org/x/text v0.19.0 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 // indirect
) )

491
go.sum
View File

@ -1,20 +1,471 @@
github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek= cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI= cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY= cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
go.unistack.org/micro-proto/v3 v3.4.1 h1:UTjLSRz2YZuaHk9iSlVqqsA50JQNAEK2ZFboGqtEa9Q= cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
go.unistack.org/micro-proto/v3 v3.4.1/go.mod h1:okx/cnOhzuCX0ggl/vToatbCupi0O44diiiLLsZ93Zo= cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
go.unistack.org/micro/v3 v3.10.97 h1:8l7fv+i06/PjPrBBhRC/ZQkWGIOuHPg3jJN0vktYE78= cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
go.unistack.org/micro/v3 v3.10.97/go.mod h1:YzMldzHN9Ei+zy5t/Psu7RUWDZwUfrNYiStSQtTz90g= cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4= cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU= cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo= cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM= contrib.go.opencensus.io/exporter/ocagent v0.4.12/go.mod h1:450APlNTSR6FrvC3CTRqYosuDstRB9un7SOx2k/9ckA=
golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY= dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9 h1:QCqS/PdaHTSWGvupk2F/ehwHtGc0/GYkT+3GAcR1CCc= github.com/Azure/azure-sdk-for-go v32.4.0+incompatible/go.mod h1:9XXNKU+eRnpl9moKnB4QOLf1HestfXbmab5FXxiDBjc=
google.golang.org/genproto/googleapis/rpc v0.0.0-20241007155032-5fefd90f89a9/go.mod h1:GX3210XPVPUjJbTUbvwI8f2IpZDMZuPJWDzDuebbviI= github.com/Azure/go-autorest/autorest v0.1.0/go.mod h1:AKyIcETwSUFxIcs/Wnq/C+kwCtlEYGUVd7FPNb2slmg=
google.golang.org/grpc v1.67.1 h1:zWnc1Vrcno+lHZCOofnIMvycFcc0QRGIzm9dhnDX68E= github.com/Azure/go-autorest/autorest v0.5.0/go.mod h1:9HLKlQjVBH6U3oDfsXOeVc56THsLPw1L03yban4xThw=
google.golang.org/grpc v1.67.1/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA= github.com/Azure/go-autorest/autorest/adal v0.1.0/go.mod h1:MeS4XhScH55IST095THyTxElntu7WqB7pNbZo8Q5G3E=
google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA= github.com/Azure/go-autorest/autorest/adal v0.2.0/go.mod h1:MeS4XhScH55IST095THyTxElntu7WqB7pNbZo8Q5G3E=
google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE= github.com/Azure/go-autorest/autorest/azure/auth v0.1.0/go.mod h1:Gf7/i2FUpyb/sGBLIFxTBzrNzBo7aPXXE3ZVeDRwdpM=
github.com/Azure/go-autorest/autorest/azure/cli v0.1.0/go.mod h1:Dk8CUAt/b/PzkfeRsWzVG9Yj3ps8mS8ECztu43rdU8U=
github.com/Azure/go-autorest/autorest/date v0.1.0/go.mod h1:plvfp3oPSKwf2DNjlBjWF/7vwR+cUD/ELuzDCXwHUVA=
github.com/Azure/go-autorest/autorest/mocks v0.1.0/go.mod h1:OTyCOPRA2IgIlWxVYxBee2F5Gr4kF2zd2J5cFRaIDN0=
github.com/Azure/go-autorest/autorest/to v0.2.0/go.mod h1:GunWKJp1AEqgMaGLV+iocmRAJWqST1wQYhyyjXJ3SJc=
github.com/Azure/go-autorest/autorest/validation v0.1.0/go.mod h1:Ha3z/SqBeaalWQvokg3NZAlQTalVMtOIAs1aGK7G6u8=
github.com/Azure/go-autorest/logger v0.1.0/go.mod h1:oExouG+K6PryycPJfVSxi/koC6LSNgds39diKLz7Vrc=
github.com/Azure/go-autorest/tracing v0.1.0/go.mod h1:ROEEAFwXycQw7Sn3DXNtEedEvdeRAgDr0izn4z5Ij88=
github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
github.com/OpenDNS/vegadns2client v0.0.0-20180418235048-a3fa4a771d87/go.mod h1:iGLljf5n9GjT6kc0HBvyI1nOKnGQbNB66VzSNbK5iks=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/akamai/AkamaiOPEN-edgegrid-golang v0.9.0/go.mod h1:zpDJeKyp9ScW4NNrbdr+Eyxvry3ilGPewKoXw3XGN1k=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190808125512-07798873deee/go.mod h1:myCDvQSzCW+wB1WAlocEru4wMGJxy+vlxHdhegi1CDQ=
github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/aws/aws-sdk-go v1.23.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/baiyubin/aliyun-sts-go-sdk v0.0.0-20180326062324-cfa1a18b161f/go.mod h1:AuiFmCCPBSrqvVMvuqFuk0qogytodnVFVSN5CeJB8Gc=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bradfitz/gomemcache v0.0.0-20190913173617-a41fca850d0b/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA=
github.com/caddyserver/certmagic v0.10.6/go.mod h1:Y8jcUBctgk/IhpAzlHKfimZNyXCkfGgRTC0orl8gROQ=
github.com/cenkalti/backoff/v4 v4.0.0/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8Bog/87DQnVg=
github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
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/cloudflare/cloudflare-go v0.10.2/go.mod h1:qhVI5MKwBGhdNU89ZRz2plgYutcJ5PCekLxXn56w6SY=
github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
github.com/cpu/goacmedns v0.0.1/go.mod h1:sesf/pNnCYwUevQEQfEwY0Y3DydlQWSGZbaMElOWxok=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/cpuguy83/go-md2man/v2 v2.0.0 h1:EoUDS0afbrsXAZ9YQ9jdu/mZ2sXgT1/2yyNng4PGlyM=
github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/dimchansky/utfbom v1.1.0/go.mod h1:rO41eb7gLfo8SF1jd9F8HplJm1Fewwi4mQvIirEdv+8=
github.com/dnaeon/go-vcr v0.0.0-20180814043457-aafff18a5cc2/go.mod h1:aBB1+wY4s93YsC3HHjMBMrwTj2R9FHDzUr9KyGc8n1E=
github.com/dnsimple/dnsimple-go v0.30.0/go.mod h1:O5TJ0/U6r7AfT8niYNlmohpLbCSG+c71tQlGr9SeGrg=
github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5mFgVsvEsIPBvNs=
github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
github.com/ef-ds/deque v1.0.4-0.20190904040645-54cb57c252a1/go.mod h1:HvODWzv6Y6kBf3Ah2WzN1bHjDUezGLaAhwuWVwfpEJs=
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github.com/klauspost/cpuid v1.2.3/go.mod h1:Pj4uuM528wm8OyEC2QMXAi2YiTZ96dNQPGgoMS4s3ek=
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github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
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github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
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github.com/labbsr0x/goh v1.0.1/go.mod h1:8K2UhVoaWXcCU7Lxoa2omWnC8gyW8px7/lmO61c027w=
github.com/linode/linodego v0.10.0/go.mod h1:cziNP7pbvE3mXIPneHj0oRY8L1WtGEIKlZ8LANE4eXA=
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github.com/miekg/dns v1.1.15/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
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golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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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=
gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
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=
honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=

892
grpc.go

File diff suppressed because it is too large Load Diff

View File

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

159
internal/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
}

View File

@ -0,0 +1,179 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0-devel
// protoc v3.6.1
// source: server_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_server_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_server_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_server_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_server_errors_proto protoreflect.FileDescriptor
var file_server_errors_proto_rawDesc = []byte{
0x0a, 0x13, 0x73, 0x65, 0x72, 0x76, 0x65, 0x72, 0x5f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x2e,
0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x19, 0x6f, 0x72, 0x67, 0x2e, 0x75, 0x6e, 0x69, 0x73, 0x74,
0x61, 0x63, 0x6b, 0x2e, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2e, 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, 0x42, 0x3b, 0x5a,
0x39, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x75, 0x6e, 0x69, 0x73,
0x74, 0x61, 0x63, 0x6b, 0x2d, 0x6f, 0x72, 0x67, 0x2f, 0x6d, 0x69, 0x63, 0x72, 0x6f, 0x2d, 0x73,
0x65, 0x72, 0x76, 0x65, 0x72, 0x2d, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72,
0x6e, 0x61, 0x6c, 0x2f, 0x65, 0x72, 0x72, 0x6f, 0x72, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74,
0x6f, 0x33,
}
var (
file_server_errors_proto_rawDescOnce sync.Once
file_server_errors_proto_rawDescData = file_server_errors_proto_rawDesc
)
func file_server_errors_proto_rawDescGZIP() []byte {
file_server_errors_proto_rawDescOnce.Do(func() {
file_server_errors_proto_rawDescData = protoimpl.X.CompressGZIP(file_server_errors_proto_rawDescData)
})
return file_server_errors_proto_rawDescData
}
var file_server_errors_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
var file_server_errors_proto_goTypes = []interface{}{
(*Error)(nil), // 0: org.unistack.micro.errors.Error
}
var file_server_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_server_errors_proto_init() }
func file_server_errors_proto_init() {
if File_server_errors_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_server_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_server_errors_proto_rawDesc,
NumEnums: 0,
NumMessages: 1,
NumExtensions: 0,
NumServices: 0,
},
GoTypes: file_server_errors_proto_goTypes,
DependencyIndexes: file_server_errors_proto_depIdxs,
MessageInfos: file_server_errors_proto_msgTypes,
}.Build()
File_server_errors_proto = out.File
file_server_errors_proto_rawDesc = nil
file_server_errors_proto_goTypes = nil
file_server_errors_proto_depIdxs = nil
}

View File

@ -0,0 +1,11 @@
syntax = "proto3";
option go_package = "github.com/unistack-org/micro-server-grpc/internal/errors";
package org.unistack.micro.errors;
message Error {
string id = 1;
int32 code = 2;
string detail = 3;
string status = 4;
};

View File

@ -2,19 +2,21 @@ package grpc
import ( import (
"context" "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"
"google.golang.org/grpc/encoding" "google.golang.org/grpc/encoding"
) )
type ( type codecsKey struct{}
codecsKey struct{} type grpcOptions struct{}
grpcOptions struct{} type netListener struct{}
maxMsgSizeKey struct{} type maxMsgSizeKey struct{}
reflectionKey struct{} type maxConnKey struct{}
unknownServiceHandlerKey struct{} type tlsAuth struct{}
) type reflectionKey struct{}
// gRPC Codec to be used to encode/decode requests for a given content type // gRPC Codec to be used to encode/decode requests for a given content type
func Codec(contentType string, c encoding.Codec) server.Option { 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 // AuthTLS should be used to setup a secure authentication using TLS
func Options(opts ...grpc.ServerOption) server.Option { func AuthTLS(t *tls.Config) server.Option {
return server.SetOption(grpcOptions{}, opts) 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 // 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 { func MaxMsgSize(s int) server.Option {
return server.SetOption(maxMsgSizeKey{}, s) return setServerOption(maxMsgSizeKey{}, s)
} }
// Reflection enables reflection support in grpc server // Reflection enables reflection support in grpc server
func Reflection(r Reflector) server.Option { func Reflection(b bool) server.Option {
return server.SetOption(reflectionKey{}, r) return setServerOption(reflectionKey{}, b)
}
// UnknownServiceHandler enables support for all services
func UnknownServiceHandler(h grpc.StreamHandler) server.Option {
return server.SetOption(unknownServiceHandlerKey{}, h)
} }

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{
0x0a, 0x0a, 0x74, 0x65, 0x73, 0x74, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x04, 0x74, 0x65,
0x73, 0x74, 0x22, 0x1d, 0x0a, 0x07, 0x43, 0x61, 0x6c, 0x6c, 0x52, 0x65, 0x71, 0x12, 0x12, 0x0a,
0x04, 0x64, 0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x61, 0x74,
0x61, 0x22, 0x1d, 0x0a, 0x07, 0x43, 0x61, 0x6c, 0x6c, 0x52, 0x73, 0x70, 0x12, 0x12, 0x0a, 0x04,
0x64, 0x61, 0x74, 0x61, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x64, 0x61, 0x74, 0x61,
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 package grpc
import ( import (
"google.golang.org/grpc/reflection" "bytes"
"google.golang.org/protobuf/reflect/protodesc" "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 { type serverReflectionServer struct {
protodesc.Resolver rpb.UnimplementedServerReflectionServer
reflection.ServiceInfoProvider s *grpc.Server
reflection.ExtensionResolver
initSymbols sync.Once
serviceNames []string
symbols map[string]*dpb.FileDescriptorProto // map of fully-qualified names to files
} }
const ( // Register registers the server reflection service on the given gRPC server.
// ReflectV1ServiceName is the fully-qualified name of the v1 version of the reflection service. func Register(s *grpc.Server) {
ReflectV1ServiceName = "grpc.reflection.v1.ServerReflection" rpb.RegisterServerReflectionServer(s, &serverReflectionServer{
// ReflectServiceURLPathV1 is the full path for reflection service endpoint s: s,
ReflectServiceURLPathV1 = "/" + ReflectV1ServiceName + "/" })
// ReflectMethodName is the reflection service name }
ReflectMethodName = "ServerReflectionInfo"
) // 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

@ -1,489 +0,0 @@
//go:build ignore
// +build ignore
/*
*
* 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 (
"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 serverReflectionServer struct {
rpb.UnimplementedServerReflectionServer
s *grpc.Server
initSymbols sync.Once
serviceNames []string
symbols map[string]*dpb.FileDescriptorProto // map of fully-qualified names to files
}
// 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 package grpc
import ( import (
"io" "github.com/unistack-org/micro/v3/codec"
"github.com/unistack-org/micro-codec-bytes"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/server"
) )
var _ server.Request = &rpcRequest{}
type rpcRequest struct { type rpcRequest struct {
rw io.ReadWriter
payload interface{}
codec codec.Codec
header metadata.Metadata
method string
endpoint string
contentType string
service string service string
method string
contentType string
codec codec.Codec
header map[string]string
body []byte
stream bool 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 { func (r *rpcRequest) ContentType() string {
@ -35,19 +38,23 @@ func (r *rpcRequest) Method() string {
} }
func (r *rpcRequest) Endpoint() 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 return r.codec
} }
func (r *rpcRequest) Header() metadata.Metadata { func (r *rpcRequest) Header() map[string]string {
return r.header return r.header
} }
func (r *rpcRequest) Read() ([]byte, error) { 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 { func (r *rpcRequest) Stream() bool {
@ -57,3 +64,27 @@ func (r *rpcRequest) Stream() bool {
func (r *rpcRequest) Body() interface{} { func (r *rpcRequest) Body() interface{} {
return r.payload 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 package grpc
import ( import (
"io" "github.com/unistack-org/micro/v3/codec"
"go.unistack.org/micro/v3/codec"
"go.unistack.org/micro/v3/metadata"
"go.unistack.org/micro/v3/server"
) )
var _ server.Response = &rpcResponse{}
type rpcResponse struct { type rpcResponse struct {
rw io.ReadWriter header map[string]string
header metadata.Metadata
codec codec.Codec codec codec.Codec
} }
func (r *rpcResponse) Codec() codec.Codec { func (r *rpcResponse) Codec() codec.Writer {
return r.codec return r.codec
} }
func (r *rpcResponse) WriteHeader(hdr metadata.Metadata) { func (r *rpcResponse) WriteHeader(hdr map[string]string) {
for k, v := range hdr { for k, v := range hdr {
r.header[k] = v r.header[k] = v
} }
} }
func (r *rpcResponse) Write(b []byte) error { 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"
"unicode/utf8" "unicode/utf8"
"go.unistack.org/micro/v3/server" "github.com/unistack-org/micro/v3/logger"
"github.com/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 { type methodType struct {
method reflect.Method
ArgType reflect.Type ArgType reflect.Type
ReplyType reflect.Type ReplyType reflect.Type
ContextType reflect.Type ContextType reflect.Type
method reflect.Method
stream bool stream bool
} }
// type reflectionType func(context.Context, server.Stream) error type reflectionType func(context.Context, server.Stream) error
type service struct { type service struct {
typ reflect.Type name string // name of service
method map[string]*methodType rcvr reflect.Value // receiver of methods for the service
rcvr reflect.Value typ reflect.Type // type of the receiver
name string method map[string]*methodType // registered methods
} }
// server represents an RPC Server. // server represents an RPC Server.
type rServer struct { type rServer struct {
mu sync.RWMutex // protects the serviceMap
serviceMap map[string]*service serviceMap map[string]*service
mu sync.RWMutex reflection bool
// reflection bool
} }
// Is this an exported - upper case - name? // 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 // prepareEndpoint() returns a methodType for the provided method or nil
// in case if the method was unsuitable. // in case if the method was unsuitable.
func prepareEndpoint(method reflect.Method) (*methodType, error) { func prepareEndpoint(method reflect.Method) *methodType {
mtype := method.Type mtype := method.Type
mname := method.Name mname := method.Name
var replyType, argType, contextType reflect.Type var replyType, argType, contextType reflect.Type
@ -71,7 +74,7 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
// Endpoint() must be exported. // Endpoint() must be exported.
if method.PkgPath != "" { if method.PkgPath != "" {
return nil, fmt.Errorf("Endpoint must be exported") return nil
} }
switch mtype.NumIn() { switch mtype.NumIn() {
@ -86,41 +89,63 @@ func prepareEndpoint(method reflect.Method) (*methodType, error) {
replyType = mtype.In(3) replyType = mtype.In(3)
contextType = mtype.In(1) contextType = mtype.In(1)
default: 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 { if stream {
case true:
// check stream type // check stream type
streamType := reflect.TypeOf((*server.Stream)(nil)).Elem() streamType := reflect.TypeOf((*server.Stream)(nil)).Elem()
if !argType.Implements(streamType) { 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)
} }
default: return nil
}
} else {
// if not stream check the replyType
// First arg need not be a pointer. // First arg need not be a pointer.
if !isExportedOrBuiltinType(argType) { 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 { 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. // Reply type must be exported.
if !isExportedOrBuiltinType(replyType) { 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. // Endpoint() needs one out.
if mtype.NumOut() != 1 { 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. // The return type of the method must be error.
if returnType := mtype.Out(0); returnType != typeOfError { 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 &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}, nil return nil
}
return &methodType{method: method, ArgType: argType, ReplyType: replyType, ContextType: contextType, stream: stream}
} }
func (server *rServer) register(rcvr interface{}) error { 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()) return fmt.Errorf("rpc: no service name for type %v", s.typ.String())
} }
if !isExported(sname) { 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 { if _, present := server.serviceMap[sname]; present {
return fmt.Errorf("rpc: service already defined: " + sname) return fmt.Errorf("rpc: service already defined: " + sname)
@ -148,16 +177,17 @@ func (server *rServer) register(rcvr interface{}) error {
// Install the methods // Install the methods
for m := 0; m < s.typ.NumMethod(); m++ { for m := 0; m < s.typ.NumMethod(); m++ {
method := s.typ.Method(m) method := s.typ.Method(m)
mt, err := prepareEndpoint(method) if mt := prepareEndpoint(method); mt != nil {
if mt != nil && err == nil {
s.method[method.Name] = mt s.method[method.Name] = mt
} else if err != nil {
return err
} }
} }
if len(s.method) == 0 { 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 server.serviceMap[s.name] = s
return nil return nil

View File

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

View File

@ -4,51 +4,25 @@ import (
"context" "context"
"fmt" "fmt"
"reflect" "reflect"
"runtime/debug"
"strings" "strings"
"go.unistack.org/micro/v3/broker" "github.com/unistack-org/micro/v3/broker"
"go.unistack.org/micro/v3/codec" "github.com/unistack-org/micro/v3/errors"
"go.unistack.org/micro/v3/logger" "github.com/unistack-org/micro/v3/logger"
"go.unistack.org/micro/v3/metadata" "github.com/unistack-org/micro/v3/metadata"
"go.unistack.org/micro/v3/options" "github.com/unistack-org/micro/v3/registry"
"go.unistack.org/micro/v3/register" "github.com/unistack-org/micro/v3/server"
"go.unistack.org/micro/v3/server"
) )
var _ server.Message = &rpcMessage{} const (
subSig = "func(context.Context, interface{}) error"
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
}
type handler struct { type handler struct {
method reflect.Value
reqType reflect.Type reqType reflect.Type
ctxType reflect.Type ctxType reflect.Type
method reflect.Value
} }
type subscriber struct { type subscriber struct {
@ -57,14 +31,17 @@ type subscriber struct {
typ reflect.Type typ reflect.Type
subscriber interface{} subscriber interface{}
handlers []*handler handlers []*handler
endpoints []*register.Endpoint endpoints []*registry.Endpoint
opts server.SubscriberOptions opts server.SubscriberOptions
} }
func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOption) server.Subscriber { 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 var handlers []*handler
if typ := reflect.TypeOf(sub); typ.Kind() == reflect.Func { 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) handlers = append(handlers, h)
endpoints = append(endpoints, &register.Endpoint{ endpoints = append(endpoints, &registry.Endpoint{
Name: "Func", Name: "Func",
Request: register.ExtractSubValue(typ), Request: extractSubValue(typ),
Metadata: map[string]string{ Metadata: map[string]string{
"topic": topic, "topic": topic,
"subscriber": "true", "subscriber": "true",
@ -110,9 +87,9 @@ func newSubscriber(topic string, sub interface{}, opts ...server.SubscriberOptio
handlers = append(handlers, h) handlers = append(handlers, h)
endpoints = append(endpoints, &register.Endpoint{ endpoints = append(endpoints, &registry.Endpoint{
Name: name + "." + method.Name, Name: name + "." + method.Name,
Request: register.ExtractSubValue(method.Type), Request: extractSubValue(method.Type),
Metadata: map[string]string{ Metadata: map[string]string{
"topic": topic, "topic": topic,
"subscriber": "true", "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) { 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() msg := p.Message()
// if we don't have headers, create empty map // if we don't have headers, create empty map
if msg.Header == nil { if msg.Header == nil {
@ -142,10 +183,10 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
ct := msg.Header["Content-Type"] ct := msg.Header["Content-Type"]
if len(ct) == 0 { if len(ct) == 0 {
msg.Header["Content-Type"] = DefaultContentType msg.Header["Content-Type"] = defaultContentType
ct = DefaultContentType ct = defaultContentType
} }
cf, err := g.newCodec(ct) cf, err := g.newGRPCCodec(ct)
if err != nil { if err != nil {
return err return err
} }
@ -154,8 +195,8 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
for k, v := range msg.Header { for k, v := range msg.Header {
hdr[k] = v hdr[k] = v
} }
delete(hdr, "Content-Type")
ctx := metadata.NewIncomingContext(sb.opts.Context, hdr) ctx := metadata.NewContext(sb.opts.Context, hdr)
results := make(chan error, len(sb.handlers)) 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(ctx))
} }
vals = append(vals, reflect.ValueOf(msg.Body())) vals = append(vals, reflect.ValueOf(msg.Payload()))
returnValues := handler.method.Call(vals) returnValues := handler.method.Call(vals)
if rerr := returnValues[0].Interface(); rerr != nil { if rerr := returnValues[0].Interface(); rerr != nil {
@ -197,11 +238,9 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
return nil return nil
} }
opts.Hooks.EachNext(func(hook options.Hook) { for i := len(opts.SubWrappers); i > 0; i-- {
if h, ok := hook.(server.HookSubHandler); ok { fn = opts.SubWrappers[i-1](fn)
fn = h(fn)
} }
})
if g.wg != nil { if g.wg != nil {
g.wg.Add(1) g.wg.Add(1)
@ -210,13 +249,14 @@ func (g *Server) createSubHandler(sb *subscriber, opts server.Options) broker.Ha
if g.wg != nil { if g.wg != nil {
defer g.wg.Done() defer g.wg.Done()
} }
cerr := fn(ctx, &rpcMessage{ err := fn(ctx, &rpcMessage{
topic: sb.topic, topic: sb.topic,
contentType: ct, contentType: ct,
payload: req.Interface(), payload: req.Interface(),
header: msg.Header, header: msg.Header,
body: msg.Body,
}) })
results <- cerr results <- err
}() }()
} }
var errors []string var errors []string
@ -241,45 +281,10 @@ func (s *subscriber) Subscriber() interface{} {
return s.subscriber return s.subscriber
} }
func (s *subscriber) Endpoints() []*register.Endpoint { func (s *subscriber) Endpoints() []*registry.Endpoint {
return s.endpoints return s.endpoints
} }
func (s *subscriber) Options() server.SubscriberOptions { func (s *subscriber) Options() server.SubscriberOptions {
return s.opts 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)
}
}
}