关于 Tcp 收发异步和同步的对比

Posted on 2019-07-10 15:06 熊先生丶阅读(1542) 评论(0) 编辑收藏举报

服务器代码

class Program
    {
        static int count = 0;
        static DateTime dt = DateTime.Now;
        static void Main(string[] args)
        {
            TcpListener server = new TcpListener(new IPEndPoint(IPAddress.Any, 11220));
            server.Start();
           // StartAcceptAsync(server);

             StartAccept(server);
            Console.Read();
        }
        static void StartAcceptAsync(TcpListener s)
        {
            var v = s.AcceptTcpClientAsync();
            v.ContinueWith((e) =>
            {
                NetworkStream ns = e.Result.GetStream();
                StartReadAsync(ns);
                StartAcceptAsync(s);
                Console.WriteLine("收到一个链接");
            });
        }
        static void StartReadAsync(NetworkStream ns)
        {
            byte[] buff = new byte[1024];
            ns.ReadAsync(buff, 0, 1024).ContinueWith((e) =>
            {
                if (count == 0)
                    dt = DateTime.Now;
                try
                {
                    count += e.Result;
                }
                catch { return;}
                Console.WriteLine("count=" + count + ",dt=" + (DateTime.Now - dt).TotalMilliseconds);
                StartReadAsync(ns);
            });
        }
        static void StartAccept(TcpListener s)
        {
            Task.Run(() =>
            {
                while (true)
                {
                    TcpClient client = s.AcceptTcpClient();
                    StartRead(client.GetStream());
                }
            });
        }
        static void StartRead(NetworkStream ns)
        {
            Task.Run(() =>
            {
                while (true)
                {
                    if (count == 0)
                        dt = DateTime.Now;
                    byte[] data = new byte[1024];
                    try
                    {
                        int x = ns.Read(data, 0, 1024);
                        count += x;
                    }
                    catch { return;}
                   
                    Console.WriteLine("count=" + count + ",dt=" + (DateTime.Now - dt).TotalMilliseconds);
                }
            });
        }
    }

客户端

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Net;
using System.Net.Sockets;
namespace ConsoleApp4
{
    class Program
    {
        static int count = 0;
        static void Main(string[] args)
        {
            for (int i = 0; i < 10; i++)
                InitTcp();
            Console.Read();
        }
        static void InitTcp()
        {
            TcpClient tcp = new TcpClient();
            tcp.Connect(new IPEndPoint(IPAddress.Parse("127.0.0.1"),11220));
            NetworkStream ns= tcp.GetStream();
            Task.Run(() =>
            {
                for (int i = 0; i < 10000; i++)
                {
                    ns.WriteByte(0x01);
                    count++;
                    Console.WriteLine("Send Count=" + count);
                }
            });
        }
    }
}