浅析C#封装GRPC类库及调用简单实例

syntax = "proto3";

option csharp_namespace = "LinkService";

service Link
{
	rpc GetMessage(Mes) returns (Mes);
}

message Mes
{
	string StrRequest = 1;
	string StrReply = 2;
}

public static Func<string, string> ReplyMes;

 using Grpc.Core;
using LinkService;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static LinkService.Link;

namespace GrpcLink
{
    public class LinkServerFunc : LinkBase
    {
        public override Task<Mes> GetMessage(Mes request, ServerCallContext context)
        {
            Mes mes = new Mes();
            mes.StrReply = LinkFunc.ReplyMes(request.StrRequest);
            return Task.FromResult(mes);
        }
    }
}

 using Grpc.Core;
using LinkService;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using static LinkService.Link;

namespace GrpcLink
{
    public class LinkFunc
    {
        // 用于服务端回复委托
        public static Func<string, string> ReplyMes;

        // 定义服务端和客户端
        public static Server LinkServer;
        public static LinkClient LinkClient;

        // 服务端启动
        public static void LinkServerStart(string host, int port)
        {
            LinkServer = new Server
            {
                Services =
                    {
                        BindService(new LinkServerFunc())
                    },
                Ports = { new ServerPort(host, port, ServerCredentials.Insecure) }
            };
            LinkServer.Start();
        }

        // 服务端关闭
        public static void LinkServerClose()
        {
            LinkServer?.ShutdownAsync().Wait();
        }

        // 客户端启动
        public static void LinkClientStart(string strIp)
        {
            Channel prechannel = new Channel(strIp, ChannelCredentials.Insecure);
            LinkClient = new LinkClient(prechannel);
        }

        // 客户端发送消息函数
        public static string SendMes(string strRequest)
        {
            Mes mes = new Mes();
            mes.StrRequest = strRequest;
            var res = LinkClient.GetMessage(mes);
            return res.StrReply;
        }
    }
}

 using GrpcLink;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace TestServer
{
    public partial class FormServer : Form
    {
        public FormServer()
        {
            InitializeComponent();
            LinkFunc.LinkServerStart("127.0.0.1", 9008);
            LinkFunc.ReplyMes = ReplyMes;
        }

        public string ReplyMes(string strRequest)
        {
            Invoke(new Action(() => { tbReply.Text = strRequest; }));
            
            string reply = tbRequest.Text;
            return reply;
        }
    }
}

 using GrpcLink;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace TestCilent
{
    public partial class FormCilent : Form
    {
        public FormCilent()
        {
            InitializeComponent();
            LinkFunc.LinkClientStart("127.0.0.1:9008");
        }

        private void btnSend_Click(object sender, EventArgs e)
        {
            string strmes = tbRequest.Text;
            string strres = LinkFunc.SendMes(strmes);
            tbReply.Text = strres;
        }
    }
}