补充GRPC Hello World

go.mod

@@ -9,7 +9,8 @@ require (
 	github.com/infraboard/mcube/v2 v2.0.44
 	github.com/rs/zerolog v1.32.0
 	golang.org/x/crypto v0.31.0
-	google.golang.org/protobuf v1.34.1
+	google.golang.org/grpc v1.70.0
+	google.golang.org/protobuf v1.35.2
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 	gopkg.in/yaml.v3 v3.0.1
 	gorm.io/driver/mysql v1.5.7
@@ -29,7 +30,7 @@ require (
 	github.com/gin-contrib/sse v0.1.0 // indirect
 	github.com/glebarez/go-sqlite v1.22.0 // indirect
 	github.com/glebarez/sqlite v1.11.0 // indirect
-	github.com/go-logr/logr v1.4.1 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-openapi/jsonpointer v0.21.0 // indirect
 	github.com/go-openapi/jsonreference v0.21.0 // indirect
@@ -67,21 +68,20 @@ require (
 	github.com/uptrace/opentelemetry-go-extra/otelsql v0.2.3 // indirect
 	go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.49.0 // indirect
 	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0 // indirect
-	go.opentelemetry.io/otel v1.24.0 // indirect
+	go.opentelemetry.io/otel v1.32.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0 // indirect
-	go.opentelemetry.io/otel/metric v1.24.0 // indirect
+	go.opentelemetry.io/otel/metric v1.32.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.24.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.32.0 // indirect
-	go.opentelemetry.io/otel/trace v1.24.0 // indirect
+	go.opentelemetry.io/otel/trace v1.32.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
 	golang.org/x/arch v0.8.0 // indirect
-	golang.org/x/net v0.25.0 // indirect
+	golang.org/x/net v0.32.0 // indirect
 	golang.org/x/sync v0.10.0 // indirect
 	golang.org/x/sys v0.28.0 // indirect
 	golang.org/x/text v0.21.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20241202173237-19429a94021a // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a // indirect
-	google.golang.org/grpc v1.63.2 // indirect
 	gorm.io/driver/postgres v1.5.9 // indirect
 	modernc.org/libc v1.37.6 // indirect
 	modernc.org/mathutil v1.6.0 // indirect

go.sum

@@ -30,8 +30,8 @@ github.com/glebarez/go-sqlite v1.22.0/go.mod h1:PlBIdHe0+aUEFn+r2/uthrWq4FxbzugL
 github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
 github.com/glebarez/sqlite v1.11.0/go.mod h1:h8/o8j5wiAsqSPoWELDUdJXhjAhsVliSn7bWZjOhrgQ=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
-github.com/go-logr/logr v1.4.1 h1:pKouT5E8xu9zeFC39JXRDukb6JFQPXM5p5I91188VAQ=
+github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.1/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
 github.com/go-openapi/jsonpointer v0.21.0 h1:YgdVicSA9vH5RiHs9TZW5oyafXZFc6+2Vc1rr/O9oNQ=
@@ -55,6 +55,8 @@ github.com/go-sql-driver/mysql v1.7.0/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
@@ -152,18 +154,20 @@ go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.4
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.49.0/go.mod h1:Mjt1i1INqiaoZOMGR1RIUJN+i3ChKoFRqzrRQhlkbs0=
 go.opentelemetry.io/contrib/propagators/b3 v1.24.0 h1:n4xwCdTx3pZqZs2CjS/CUZAs03y3dZcGhC/FepKtEUY=
 go.opentelemetry.io/contrib/propagators/b3 v1.24.0/go.mod h1:k5wRxKRU2uXx2F8uNJ4TaonuEO/V7/5xoz7kdsDACT8=
-go.opentelemetry.io/otel v1.24.0 h1:0LAOdjNmQeSTzGBzduGe/rU4tZhMwL5rWgtp9Ku5Jfo=
+go.opentelemetry.io/otel v1.32.0 h1:WnBN+Xjcteh0zdk01SVqV55d/m62NJLJdIyb4y/WO5U=
-go.opentelemetry.io/otel v1.24.0/go.mod h1:W7b9Ozg4nkF5tWI5zsXkaKKDjdVjpD4oAt9Qi/MArHo=
+go.opentelemetry.io/otel v1.32.0/go.mod h1:00DCVSB0RQcnzlwyTfqtxSm+DRr9hpYrHjNGiBHVQIg=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0 h1:t6wl9SPayj+c7lEIFgm4ooDBZVb01IhLB4InpomhRw8=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.24.0/go.mod h1:iSDOcsnSA5INXzZtwaBPrKp/lWu/V14Dd+llD0oI2EA=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0 h1:Xw8U6u2f8DK2XAkGRFV7BBLENgnTGX9i4rQRxJf+/vs=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.24.0/go.mod h1:6KW1Fm6R/s6Z3PGXwSJN2K4eT6wQB3vXX6CVnYX9NmM=
-go.opentelemetry.io/otel/metric v1.24.0 h1:6EhoGWWK28x1fbpA4tYTOWBkPefTDQnb8WSGXlc88kI=
+go.opentelemetry.io/otel/metric v1.32.0 h1:xV2umtmNcThh2/a/aCP+h64Xx5wsj8qqnkYZktzNa0M=
-go.opentelemetry.io/otel/metric v1.24.0/go.mod h1:VYhLe1rFfxuTXLgj4CBiyz+9WYBA8pNGJgDcSFRKBco=
+go.opentelemetry.io/otel/metric v1.32.0/go.mod h1:jH7CIbbK6SH2V2wE16W05BHCtIDzauciCRLoc/SyMv8=
-go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucgoDw=
+go.opentelemetry.io/otel/sdk v1.32.0 h1:RNxepc9vK59A8XsgZQouW8ue8Gkb4jpWtJm9ge5lEG4=
-go.opentelemetry.io/otel/sdk v1.24.0/go.mod h1:KVrIYw6tEubO9E96HQpcmpTKDVn9gdv35HoYiQWGDFg=
+go.opentelemetry.io/otel/sdk v1.32.0/go.mod h1:LqgegDBjKMmb2GC6/PrTnteJG39I8/vJCAP9LlJXEjU=
-go.opentelemetry.io/otel/trace v1.24.0 h1:CsKnnL4dUAr/0llH9FKuc698G04IrpWV0MQA/Y1YELI=
+go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiyYCU9snn1CU=
-go.opentelemetry.io/otel/trace v1.24.0/go.mod h1:HPc3Xr/cOApsBI154IU0OI0HJexz+aw5uPdbs3UCjNU=
+go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
+go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
+go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
 go.opentelemetry.io/proto/otlp v1.1.0 h1:2Di21piLrCqJ3U3eXGCTPHE9R8Nh+0uglSnOyxikMeI=
 go.opentelemetry.io/proto/otlp v1.1.0/go.mod h1:GpBHCBWiqvVLDqmHZsoMM3C5ySeKTC7ej/RNTae6MdY=
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
@@ -171,8 +175,8 @@ golang.org/x/arch v0.8.0 h1:3wRIsP3pM4yUptoR96otTUOXI367OS0+c9eeRi9doIc=
 golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys=
 golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
 golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
-golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac=
+golang.org/x/net v0.32.0 h1:ZqPmj8Kzc+Y6e0+skZsuACbx+wzMgo5MQsJh9Qd6aYI=
-golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
+golang.org/x/net v0.32.0/go.mod h1:CwU0IoeOlnQQWJ6ioyFrfRuomB8GKF6KbYXZVyeXNfs=
 golang.org/x/sync v0.10.0 h1:3NQrjDixjgGwUOCaF8w2+VYHv0Ve/vGYSbdkTa98gmQ=
 golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
 golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -183,16 +187,14 @@ golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
 golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de h1:F6qOa9AZTYJXOUEr4jDysRDLrm4PHePlge4v4TGAlxY=
+google.golang.org/genproto/googleapis/api v0.0.0-20241202173237-19429a94021a h1:OAiGFfOiA0v9MRYsSidp3ubZaBnteRUyn3xB2ZQ5G/E=
-google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:VUhTRKeHn9wwcdrk73nvdC9gF178Tzhmt/qyaFcPLSo=
+google.golang.org/genproto/googleapis/api v0.0.0-20241202173237-19429a94021a/go.mod h1:jehYqy3+AhJU9ve55aNOaSml7wUXjF9x6z2LcCfpAhY=
-google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de h1:jFNzHPIeuzhdRwVhbZdiym9q0ory/xY3sA+v2wPg8I0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a h1:hgh8P4EuoxpsuKMXX/To36nOFD7vixReXgn8lPGnt+o=
-google.golang.org/genproto/googleapis/api v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:5iCWqnniDlqZHrd3neWVTOwvh/v6s3232omMecelax8=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20241202173237-19429a94021a/go.mod h1:5uTbfoYQed2U9p3KIj2/Zzm02PYhndfdmML0qC3q3FU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de h1:cZGRis4/ot9uVm639a+rHCUaG0JJHEsdyzSQTMX+suY=
+google.golang.org/grpc v1.70.0 h1:pWFv03aZoHzlRKHWicjsZytKAiYCtNS0dHbXnIdq7jQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240227224415-6ceb2ff114de/go.mod h1:H4O17MA/PE9BsGx3w+a+W2VOLLD1Qf7oJneAoU6WktY=
+google.golang.org/grpc v1.70.0/go.mod h1:ofIJqVKDXx/JiXrwr2IG4/zwdH9txy3IlF40RmcJSQw=
-google.golang.org/grpc v1.63.2 h1:MUeiw1B2maTVZthpU5xvASfTh3LDbxHd6IJ6QQVU+xM=
+google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
-google.golang.org/grpc v1.63.2/go.mod h1:WAX/8DgncnokcFUldAxq7GeB5DXHDbMF+lLvDomNkRA=
+google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
-google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

skills/grpc/README.md

@@ -0,0 +1,4 @@
+# GRPC 入门
+
+[课件](https://gitee.com/infraboard/go-course/blob/master/day15/grpc.md)
+

skills/grpc/client/main.go

@@ -0,0 +1,28 @@
+package main
+
+import (
+	"context"
+	"fmt"
+
+	"gitlab.com/go-course-project/go17/skills/grpc/service"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+func main() {
+	// Deprecated: use WithTransportCredentials and insecure.NewCredentials()
+	// instead. Will be supported throughout 1.x.
+	conn, err := grpc.NewClient("localhost:1234", grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		panic(err)
+	}
+
+	client := service.NewHelloServiceClient(conn)
+	resp, err := client.Hello(context.Background(), &service.HelloRequest{
+		MyName: "bob",
+	})
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(resp)
+}

skills/grpc/server/main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"net"
+
+	"gitlab.com/go-course-project/go17/skills/grpc/service"
+	"google.golang.org/grpc"
+)
+
+type UnimplementedHelloServiceServer struct {
+	service.UnimplementedHelloServiceServer
+}
+
+func (UnimplementedHelloServiceServer) Hello(ctx context.Context, req *service.HelloRequest) (*service.HelloResponse, error) {
+	return &service.HelloResponse{
+		Message: "hello, " + req.MyName,
+	}, nil
+}
+
+func main() {
+	// 1. 示例化一个grpc server对象
+	server := grpc.NewServer()
+	service.RegisterHelloServiceServer(server, &UnimplementedHelloServiceServer{})
+
+	// 2. 启动grpc服务
+	lis, err := net.Listen("tcp", ":1234")
+	if err != nil {
+		panic(err)
+	}
+	if err := server.Serve(lis); err != nil {
+		panic(err)
+	}
+}

skills/grpc/service/README.md

@@ -0,0 +1,15 @@
+# grpc
+
+
+```sh
+protoc -I=. --go_out=. --go-grpc_out=. --go_opt=module="gitlab.com/go-course-project/go17" --go-grpc_opt=module="gitlab.com/go-course-project/go17" skills/grpc/service/*.proto
+```
+
+```sh
+# protoc-gen-go 插件之前已经安装
+# go install google.golang.org/protobuf/cmd/protoc-gen-go@latest
+
+# 安装protoc-gen-go-grpc插件
+# 
+go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
+```

skills/grpc/service/hello.pb.go

@@ -0,0 +1,219 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.5
+// 	protoc        v5.29.3
+// source: skills/grpc/service/hello.proto
+
+package service
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+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 HelloRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	MyName        string                 `protobuf:"bytes,1,opt,name=my_name,json=myName,proto3" json:"my_name,omitempty"`
+	Age           int64                  `protobuf:"varint,2,opt,name=age,proto3" json:"age,omitempty"`
+	MagicNumber   []int64                `protobuf:"varint,3,rep,packed,name=magic_number,json=magicNumber,proto3" json:"magic_number,omitempty"`
+	Extras        map[string]string      `protobuf:"bytes,4,rep,name=extras,proto3" json:"extras,omitempty" protobuf_key:"bytes,1,opt,name=key" protobuf_val:"bytes,2,opt,name=value"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *HelloRequest) Reset() {
+	*x = HelloRequest{}
+	mi := &file_skills_grpc_service_hello_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *HelloRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HelloRequest) ProtoMessage() {}
+
+func (x *HelloRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_skills_grpc_service_hello_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HelloRequest.ProtoReflect.Descriptor instead.
+func (*HelloRequest) Descriptor() ([]byte, []int) {
+	return file_skills_grpc_service_hello_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *HelloRequest) GetMyName() string {
+	if x != nil {
+		return x.MyName
+	}
+	return ""
+}
+
+func (x *HelloRequest) GetAge() int64 {
+	if x != nil {
+		return x.Age
+	}
+	return 0
+}
+
+func (x *HelloRequest) GetMagicNumber() []int64 {
+	if x != nil {
+		return x.MagicNumber
+	}
+	return nil
+}
+
+func (x *HelloRequest) GetExtras() map[string]string {
+	if x != nil {
+		return x.Extras
+	}
+	return nil
+}
+
+type HelloResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Message       string                 `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *HelloResponse) Reset() {
+	*x = HelloResponse{}
+	mi := &file_skills_grpc_service_hello_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *HelloResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*HelloResponse) ProtoMessage() {}
+
+func (x *HelloResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_skills_grpc_service_hello_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use HelloResponse.ProtoReflect.Descriptor instead.
+func (*HelloResponse) Descriptor() ([]byte, []int) {
+	return file_skills_grpc_service_hello_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *HelloResponse) GetMessage() string {
+	if x != nil {
+		return x.Message
+	}
+	return ""
+}
+
+var File_skills_grpc_service_hello_proto protoreflect.FileDescriptor
+
+var file_skills_grpc_service_hello_proto_rawDesc = string([]byte{
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+	0x69, 0x63, 0x65, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
+
+var (
+	file_skills_grpc_service_hello_proto_rawDescOnce sync.Once
+	file_skills_grpc_service_hello_proto_rawDescData []byte
+)
+
+func file_skills_grpc_service_hello_proto_rawDescGZIP() []byte {
+	file_skills_grpc_service_hello_proto_rawDescOnce.Do(func() {
+		file_skills_grpc_service_hello_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_skills_grpc_service_hello_proto_rawDesc), len(file_skills_grpc_service_hello_proto_rawDesc)))
+	})
+	return file_skills_grpc_service_hello_proto_rawDescData
+}
+
+var file_skills_grpc_service_hello_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_skills_grpc_service_hello_proto_goTypes = []any{
+	(*HelloRequest)(nil),  // 0: hello.HelloRequest
+	(*HelloResponse)(nil), // 1: hello.HelloResponse
+	nil,                   // 2: hello.HelloRequest.ExtrasEntry
+}
+var file_skills_grpc_service_hello_proto_depIdxs = []int32{
+	2, // 0: hello.HelloRequest.extras:type_name -> hello.HelloRequest.ExtrasEntry
+	0, // 1: hello.HelloService.Hello:input_type -> hello.HelloRequest
+	1, // 2: hello.HelloService.Hello:output_type -> hello.HelloResponse
+	2, // [2:3] is the sub-list for method output_type
+	1, // [1:2] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_skills_grpc_service_hello_proto_init() }
+func file_skills_grpc_service_hello_proto_init() {
+	if File_skills_grpc_service_hello_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_skills_grpc_service_hello_proto_rawDesc), len(file_skills_grpc_service_hello_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_skills_grpc_service_hello_proto_goTypes,
+		DependencyIndexes: file_skills_grpc_service_hello_proto_depIdxs,
+		MessageInfos:      file_skills_grpc_service_hello_proto_msgTypes,
+	}.Build()
+	File_skills_grpc_service_hello_proto = out.File
+	file_skills_grpc_service_hello_proto_goTypes = nil
+	file_skills_grpc_service_hello_proto_depIdxs = nil
+}

skills/grpc/service/hello.proto

@@ -0,0 +1,20 @@
+syntax = "proto3";
+
+package hello;
+option go_package="gitlab.com/go-course-project/go17/skills/grpc/service";
+
+message HelloRequest {
+    string my_name = 1;
+    int64 age = 2;
+    repeated int64 magic_number = 3;
+    map<string,string> extras = 4;
+}
+
+message HelloResponse {
+    string message = 1;
+}
+
+// grpc 接口声明
+service HelloService {
+    rpc Hello(HelloRequest) returns(HelloResponse);
+}

skills/grpc/service/hello_grpc.pb.go

@@ -0,0 +1,125 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.5.1
+// - protoc             v5.29.3
+// source: skills/grpc/service/hello.proto
+
+package service
+
+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 v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	HelloService_Hello_FullMethodName = "/hello.HelloService/Hello"
+)
+
+// HelloServiceClient is the client API for HelloService 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.
+//
+// grpc 接口声明
+type HelloServiceClient interface {
+	Hello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloResponse, error)
+}
+
+type helloServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHelloServiceClient(cc grpc.ClientConnInterface) HelloServiceClient {
+	return &helloServiceClient{cc}
+}
+
+func (c *helloServiceClient) Hello(ctx context.Context, in *HelloRequest, opts ...grpc.CallOption) (*HelloResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(HelloResponse)
+	err := c.cc.Invoke(ctx, HelloService_Hello_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// HelloServiceServer is the server API for HelloService service.
+// All implementations must embed UnimplementedHelloServiceServer
+// for forward compatibility.
+//
+// grpc 接口声明
+type HelloServiceServer interface {
+	Hello(context.Context, *HelloRequest) (*HelloResponse, error)
+	mustEmbedUnimplementedHelloServiceServer()
+}
+
+// UnimplementedHelloServiceServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedHelloServiceServer struct{}
+
+func (UnimplementedHelloServiceServer) Hello(context.Context, *HelloRequest) (*HelloResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method Hello not implemented")
+}
+func (UnimplementedHelloServiceServer) mustEmbedUnimplementedHelloServiceServer() {}
+func (UnimplementedHelloServiceServer) testEmbeddedByValue()                      {}
+
+// UnsafeHelloServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HelloServiceServer will
+// result in compilation errors.
+type UnsafeHelloServiceServer interface {
+	mustEmbedUnimplementedHelloServiceServer()
+}
+
+func RegisterHelloServiceServer(s grpc.ServiceRegistrar, srv HelloServiceServer) {
+	// If the following call pancis, it indicates UnimplementedHelloServiceServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&HelloService_ServiceDesc, srv)
+}
+
+func _HelloService_Hello_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(HelloRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HelloServiceServer).Hello(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: HelloService_Hello_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HelloServiceServer).Hello(ctx, req.(*HelloRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// HelloService_ServiceDesc is the grpc.ServiceDesc for HelloService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var HelloService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "hello.HelloService",
+	HandlerType: (*HelloServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Hello",
+			Handler:    _HelloService_Hello_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "skills/grpc/service/hello.proto",
+}