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