C# 服务器，客户端 1：N模式

来源：互联网发布：tpshop 小程序源码编辑：程序博客网时间：2024/05/16 02:46

服务器RemoteClient

using System;using System.Net.Sockets;using System.Text;using System.Linq;namespace Server{    class RemoteClient    {        private TcpClient client;        private NetworkStream streamToClient;        private const int BufferSize = 8192;        private byte[] buffer;        private int currentId;        public RemoteClient(TcpClient client)        {            this.client = client;            currentId = Program.dictInfo.Where(q => q.Value == client.Client.RemoteEndPoint.ToString()).Select(q => q.Key).ElementAt(0);            Console.WriteLine("\n客户端已连接！{0} <-- {1}",     client.Client.LocalEndPoint, client.Client.RemoteEndPoint);            streamToClient = client.GetStream();            buffer = new byte[BufferSize];            AsyncCallback callBack = new AsyncCallback(ReadComplete);            streamToClient.BeginRead(buffer, 0, BufferSize, callBack, null);        }        private void ReadComplete(IAsyncResult ar)        {            int bytesRead = 0;            try            {                lock (streamToClient)                {                    bytesRead = streamToClient.EndRead(ar);                }                if (bytesRead == 0) throw new Exception("读取到0字节");                string msg = Encoding.Unicode.GetString(buffer, 0, bytesRead);                Array.Clear(buffer, 0, buffer.Length);                string[] arrayMsg = msg.Split(new string[] { "$" }, StringSplitOptions.None);                int clientId = int.Parse(arrayMsg[0]);                if (clientId >= 100)                {                    try                    {                        NetworkStream destStream = Program.dict[clientId].GetStream();                        byte[] destMsg = Encoding.Unicode.GetBytes("来自" + currentId + "的信息：" + arrayMsg[1]);                        destStream.Write(destMsg, 0, destMsg.Length);                        destStream.Flush();                        Console.WriteLine("收到<{0}>信息转发到<{1}>: {2}", currentId, clientId, arrayMsg[1]);                    }                    catch (Exception)                    {                        byte[] destMsg = Encoding.Unicode.GetBytes("<" + clientId + ">下线了，发送失败");                        streamToClient.Write(destMsg, 0, destMsg.Length);                        streamToClient.Flush();                    }                }                else                {                    byte[] destMsg = Encoding.Unicode.GetBytes("<" + currentId + ">" + arrayMsg[1]);                    streamToClient.Write(destMsg, 0, destMsg.Length);                    streamToClient.Flush();                    Console.WriteLine("收到<{0}>信息: {1}", currentId, arrayMsg[1]);                }                lock (streamToClient)                {                    AsyncCallback callBack = new AsyncCallback(ReadComplete);                    streamToClient.BeginRead(buffer, 0, BufferSize, callBack, null);                }            }            catch (Exception ex)            {                if (streamToClient != null)                    streamToClient.Dispose();                client.Close();                Console.WriteLine(ex.Message);            }        }    }}

服务器main

using System;using System.Collections.Generic;using System.Net;using System.Net.Sockets;namespace Server{    class Program    {        public static Dictionary<int, TcpClient> dict = new Dictionary<int, TcpClient>();        public static Dictionary<int, string> dictInfo = new Dictionary<int, string>();        static void Main(string[] args)        {            Console.WriteLine("服务器开始运行 ... ");            IPAddress ip = new IPAddress(new byte[] { 127, 0, 0, 1 });            TcpListener listener = new TcpListener(ip, 8500);            listener.Start();            Console.WriteLine("开始侦听 ...");            int clientId = 100;            while (true)            {                TcpClient client = listener.AcceptTcpClient();                dict.Add(clientId, client);                dictInfo.Add(clientId, client.Client.RemoteEndPoint.ToString());                clientId++;                RemoteClient wapper = new RemoteClient(client);            }        }    }}

客户端ServerClient

using System;using System.Net.Sockets;using System.Text;namespace Client{    class ServerClient    {        private const int BufferSize = 8192;        private byte[] buffer;        private TcpClient client;        private NetworkStream streamToServer;        private string msg = "";        public ServerClient()        {            try            {                client = new TcpClient();                client.Connect("localhost", 8500);            }            catch (Exception ex)            {                Console.WriteLine(ex.Message);                return;            }            buffer = new byte[BufferSize];            Console.WriteLine("已连接到服务器！{0} --> {1}",     client.Client.LocalEndPoint, client.Client.RemoteEndPoint);            streamToServer = client.GetStream();        }        public void SendMessage(string msg)        {            byte[] temp = Encoding.Unicode.GetBytes(msg);            try            {                streamToServer.Write(temp, 0, temp.Length);                Console.WriteLine("发送信息: {0}", msg);            }            catch (Exception ex)            {                Console.WriteLine(ex.Message);            }            lock (streamToServer)            {                AsyncCallback callBack = new AsyncCallback(ReadComplete);                streamToServer.BeginRead(buffer, 0, BufferSize, callBack, null);            }        }        public void SendMessage()        {            SendMessage(this.msg);        }        private void ReadComplete(IAsyncResult ar)        {            int bytesRead;            try            {                lock (streamToServer)                {                    bytesRead = streamToServer.EndRead(ar);                }                if (bytesRead == 0) throw new Exception("读取到0字节");                string msg = Encoding.Unicode.GetString(buffer, 0, bytesRead);                Console.WriteLine("收到信息: {0}", msg);                Array.Clear(buffer, 0, buffer.Length);                lock (streamToServer)                {                    AsyncCallback callBack = new AsyncCallback(ReadComplete);                    streamToServer.BeginRead(buffer, 0, BufferSize, callBack, null);                }            }            catch (Exception ex)            {                if (streamToServer != null)                    streamToServer.Dispose();                client.Close();                Console.WriteLine(ex.Message);            }        }    }}

客户端main

using System;namespace Client{    class Program    {        static void Main(string[] args)        {            ServerClient client = new ServerClient();            client.SendMessage("0$初始化连接请求");            while (true)            {                client.SendMessage(Console.ReadLine());            }        }    }}

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