syntax  ="proto3";

package RouteGrpc;

service HelloWorld{

rpc  SayHello(HellowRequest)returns (ReturnsString){}

}

message  HellowRequest{

string Title=;

string Content=;

}

message  ReturnsString{

string Content=;

}

tools\protoc.exe -I protos --csharp_out out HelloGrpc.proto --plugin=protoc-gen-grpc=tools\grpc_csharp_plugin.exe

//-I 工作目录

// --grpc_out  第一个参数是表示输出文件目录  第二个参数表示 描述文件名称（protobuf文件）

// --csharp_out 和grpc_out 参数相同

//--plugin= 表示输出c#的插件

tools\protoc.exe -I protos  --grpc_out outgrpc HelloGrpc.proto --plugin=protoc-gen-grpc=tools\grpc_csharp_plugin.exe   //服务相关

 public class HelloService:HelloWorld.HelloWorldBase

    {

        public override Task<ReturnsString> SayHello(HellowRequest request, ServerCallContext context)

        {

            return Task.FromResult(new ReturnsString { Content = "Hello " + request.Title +"端口9007"});

        }

    }

namespace Service

{

    class Program

    {

        const int Port = ;

        static void Main(string[] args)

        {

            Server server = new Server

            {

                Services = { HelloWorld.BindService(new HelloService()) },

                Ports = { new ServerPort("localhost", Port, ServerCredentials.Insecure) }

            };

            server.Start();

            Console.WriteLine("RouteGuide server listening on port " + Port);

            Console.WriteLine("Press any key to stop the server...");

            Console.ReadKey();

            server.ShutdownAsync().Wait();

        }

    }

}

namespace Client

{

    class Program

    {

        static void Main(string[] args)

        {

            Channel channel = new Channel("127.0.0.1:9007", ChannelCredentials.Insecure);

            var client = new HelloWorld.HelloWorldClient(channel);

            var retrunstr = client.SayHello(new HellowRequest() { Title = "this is message", Content = "this is content" });

            //var retrunstr = await client.SayHelloAsync(new HellowRequest() { Title = "this is message", Content = "this is content" });

            Console.WriteLine("来自" + retrunstr.Content);

            channel.ShutdownAsync().Wait();

            Console.WriteLine("任意键退出...");

            Console.ReadKey();

        }

    }

}