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71 lines
2.5 KiB
71 lines
2.5 KiB
using System;
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using System.Net;
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using System.Net.Sockets;
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namespace Apewer.Network
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{
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/// <summary>TCP 客户端。</summary>
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public class TcpClient : IDisposable
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{
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Socket _socket = null;
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/// <summary>套接字实例。</summary>
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public Socket Socket { get => _socket; }
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/// <summary>本地终结点。</summary>
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public IPEndPoint LocalEndPoint { get; private set; }
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/// <summary>远程终结点。</summary>
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public IPEndPoint RemoteEndPoint { get; private set; }
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/// <summary>已连接。</summary>
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public bool Connected { get => _socket != null && _socket.Connected; }
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/// <summary>启动客户端,并连接到服务端。</summary>
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public TcpClient(string ip, int port) : this(IPAddress.Parse(ip), port) { }
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/// <summary>启动客户端,并连接到服务端。</summary>
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public TcpClient(IPAddress address, int port) : this(new IPEndPoint(address, port)) { }
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/// <summary>启动客户端,并连接到服务端。</summary>
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public TcpClient(IPEndPoint endpoint)
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{
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_socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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_socket.Connect(endpoint);
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_socket.SendTimeout = 5000;
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LocalEndPoint = _socket.LocalEndPoint as IPEndPoint;
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RemoteEndPoint = endpoint;
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}
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/// <summary>关闭连接,释放系统资源。</summary>
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public void Dispose()
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{
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try { _socket.Disconnect(false); } catch { }
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try { _socket.Close(100); } catch { }
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#if !NET20
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try { _socket.Dispose(); } catch { }
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#endif
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}
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/// <summary>在线。</summary>
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public bool Online { get => Extensions.Online(_socket); }
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/// <summary>接收。</summary>
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/// <exception cref="ArgumentNullException"></exception>
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/// <exception cref="ArgumentOutOfRangeException"></exception>
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/// <exception cref="SocketException"></exception>
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/// <exception cref="ObjectDisposedException"></exception>
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/// <exception cref="System.Security.SecurityException"></exception>
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public byte[] Receive(int maxLength = 1024) => _socket.Receive(maxLength);
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/// <summary>发送。</summary>
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/// <exception cref="ArgumentNullException" />
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/// <exception cref="SocketException" />
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/// <exception cref="ObjectDisposedException" />
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public void Send(byte[] data) => _socket.Send(data);
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}
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}
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