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Server端代码:
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class Program { static SocketListener listener; public static void Main(string[] args) { //实例化Timer类,设置间隔时间为5000毫秒; System.Timers.Timer t = new System.Timers.Timer(5000); t.Elapsed += new System.Timers.ElapsedEventHandler(CheckListen); //到达时间的时候执行事件; t.AutoReset = true; t.Start(); listener = new SocketListener(); listener.ReceiveTextEvent += new SocketListener.ReceiveTextHandler(ShowText); listener.StartListen(); Console.ReadKey(); } private static void ShowText(string text) { Console.WriteLine(text); } private static void CheckListen(object sender, System.Timers.ElapsedEventArgs e) { if (listener != null && listener.Connection != null) { Console.WriteLine("连接数:" + listener.Connection.Count.ToString()); } } } public class Connection { Socket _connection; public Connection(Socket socket) { _connection = socket; } public void WaitForSendData(object connection) { try { while (true) { byte[] bytes = new byte[1024]; string data = ""; //等待接收消息 int bytesRec = this._connection.Receive(bytes); if (bytesRec == 0) { // ReceiveText("客户端[" + _connection.RemoteEndPoint.ToString() + "]连接关闭..."); break; } data += Encoding.UTF8.GetString(bytes, 0, bytesRec); ReceiveText("收到消息:" + data); string sendStr = "服务端已经收到信息!"; byte[] bs = Encoding.UTF8.GetBytes(sendStr); _connection.Send(bs, bs.Length, 0); } } catch (Exception) { ReceiveText("客户端[" + _connection.RemoteEndPoint.ToString() + "]连接已断开..."); Hashtable hConnection = connection as Hashtable; if (hConnection.Contains(_connection.RemoteEndPoint.ToString())) { hConnection.Remove(_connection.RemoteEndPoint.ToString()); } } } public delegate void ReceiveTextHandler(string text); public event ReceiveTextHandler ReceiveTextEvent; private void ReceiveText(string text) { if (ReceiveTextEvent != null) { ReceiveTextEvent(text); } } } public class SocketListener { public Hashtable Connection = new Hashtable(); public void StartListen() { Agine: try { //端口号、IP地址 //int port = 8889; //string host = "127.0.0.1"; //IPAddress ip = IPAddress.Parse(host); //IPEndPoint ipe = new IPEndPoint(ip, port); string ip = string.Empty; System.Net.IPHostEntry IpEntry = System.Net.DNS.GetHostEntry(System.Net.Dns.GetHostName()); for (int i = 0; i != IpEntry.AddressList.Length; i++) { if (!IpEntry.AddressList[i].IsIPv6LinkLocal) { ip = IpEntry.AddressList[i].ToString(); } } IPEndPoint ipend = new IPEndPoint(IPAddress.Parse(ip), 6000); //创建一个Socket类 Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); s.Bind(ipend);//绑定2000端口 s.Listen(0);//开始监听 ReceiveText("启动Socket监听..."); while (true) { Socket connectionSocket = s.Accept();//为新建连接创建新的Socket ReceiveText("客户端[" + connectionSocket.RemoteEndPoint.ToString() + "]连接已建立..."); Connection gpsCn = new Connection(connectionSocket); gpsCn.ReceiveTextEvent += new Connection.ReceiveTextHandler(ReceiveText); Connection.Add(connectionSocket.RemoteEndPoint.ToString(), gpsCn); //在新线程中启动新的socket连接,每个socket等待,并保持连接 Thread thread = new Thread(gpsCn.WaitForSendData); thread.Name = connectionSocket.RemoteEndPoint.ToString(); thread.Start(Connection); } } catch (ArgumentNullException ex1) { ReceiveText("ArgumentNullException:" + ex1); } catch (SocketException ex2) { ReceiveText("SocketException:" + ex2); } goto Agine; } public delegate void ReceiveTextHandler(string text); public event ReceiveTextHandler ReceiveTextEvent; private void ReceiveText(string text) { if (ReceiveTextEvent != null) { ReceiveTextEvent(text); } } }
Client端代码:
class Program { static void Main(string[] args) { Socket c; //int port = 4029; // 避免使用127.0.0.1,我在本机测试是不能运行的 //string host = "127.0.0.1"; //IPAddress ip = IPAddress.Parse(host); //IPEndPoint ipe = new IPEndPoint(ip, port);//把ip和端口转化为IPEndPoint实例 string ip = string.Empty; System.Net.IPHostEntry IpEntry = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()); for (int i = 0; i != IpEntry.AddressList.Length; i++) { if (!IpEntry.AddressList[i].IsIPv6LinkLocal) { ip = IpEntry.AddressList[i].ToString(); } } IPEndPoint ipend = new IPEndPoint(IPAddress.Parse(ip), 6000); c = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);//创建一个Socket try { c.Connect(ipend);//连接到服务器 Console.WriteLine("连接到Socket服务端..."); Console.WriteLine("发送消息到服务端..."); string sendStr = "m s g"; byte[] bs = Encoding.UTF8.GetBytes(sendStr); c.Send(bs, bs.Length, 0); string recvStr = ""; byte[] recvBytes = new byte[1024]; int bytes; bytes = c.Receive(recvBytes, recvBytes.Length, 0);//从服务器端接受返回信息 recvStr += Encoding.UTF8.GetString(recvBytes, 0, bytes); Console.WriteLine("服务器返回信息:" + recvStr); } catch (ArgumentNullException ex1) { Console.WriteLine("ArgumentNullException:{0}", ex1); } catch (SocketException ex2) { Console.WriteLine("SocketException:{0}", ex2); } Console.ReadKey(); } }
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持创新互联。