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main.go
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main.go
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package main
import (
"fmt"
"net"
pb "github.com/jergoo/go-grpc-example/proto/hello"
"golang.org/x/net/context"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials" // 引入grpc认证包
"google.golang.org/grpc/grpclog"
)
const (
// Address gRPC服务地址
Address = "127.0.0.1:50052"
)
// 定义helloService并实现约定的接口
type helloService struct{}
// HelloService Hello服务
var HelloService = helloService{}
// SayHello 实现Hello服务接口
func (h helloService) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloResponse, error) {
resp := new(pb.HelloResponse)
resp.Message = fmt.Sprintf("Hello %s.", in.Name)
return resp, nil
}
func main() {
listen, err := net.Listen("tcp", Address)
if err != nil {
grpclog.Fatalf("Failed to listen: %v", err)
}
// TLS认证
creds, err := credentials.NewServerTLSFromFile("../../keys/server.pem", "../../keys/server.key")
if err != nil {
grpclog.Fatalf("Failed to generate credentials %v", err)
}
// 实例化grpc Server, 并开启TLS认证
s := grpc.NewServer(grpc.Creds(creds))
// 注册HelloService
pb.RegisterHelloServer(s, HelloService)
grpclog.Println("Listen on " + Address + " with TLS")
s.Serve(listen)
}