初始化版本
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416
tongxin/NetWorkHelper/TCP/AxTcpClient.cs
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416
tongxin/NetWorkHelper/TCP/AxTcpClient.cs
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading;
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namespace SocketHelper
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{
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public partial class AxTcpClient : Component
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{
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#region 构造函数
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public AxTcpClient()
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{
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InitializeComponent();
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}
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public AxTcpClient(IContainer container)
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{
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container.Add(this);
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InitializeComponent();
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}
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#endregion
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#region 属性
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/// <summary>
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/// 服务端IP
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/// </summary>
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private string _serverip;
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[Description("服务端IP")]
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[Category("TcpClient属性")]
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public string ServerIp
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{
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set { _serverip = value; }
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get { return _serverip; }
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}
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/// <summary>
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/// 服务端监听端口
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/// </summary>
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private int _serverport;
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[Description("服务端监听端口")]
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[Category("TcpClient属性")]
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public int ServerPort
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{
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set { _serverport = value; }
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get { return _serverport; }
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}
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/// <summary>
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/// TcpClient客户端
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/// </summary>
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private TcpClient _tcpclient = null;
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[Description("TcpClient操作类")]
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[Category("TcpClient隐藏属性")]
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[Browsable(false)]
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public TcpClient Tcpclient
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{
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set { _tcpclient = value; }
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get { return _tcpclient; }
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}
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/// <summary>
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/// Tcp客户端连接线程
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/// </summary>
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private Thread _tcpthread = null;
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[Description("TcpClient连接服务端线程")]
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[Category("TcpClient隐藏属性")]
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[Browsable(false)]
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public Thread Tcpthread
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{
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set { _tcpthread = value; }
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get { return _tcpthread; }
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}
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/// <summary>
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/// 是否启动Tcp连接线程
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/// </summary>
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private bool _isStarttcpthreading = false;
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[Description("是否启动Tcp连接线程")]
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[Category("TcpClient隐藏属性")]
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[Browsable(false)]
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public bool IsStartTcpthreading
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{
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set { _isStarttcpthreading = value; }
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get { return _isStarttcpthreading; }
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}
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/// <summary>
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/// 是否启动TCP
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/// </summary>
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public bool IsStart = false;
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/// <summary>
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/// 是否重连
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/// </summary>
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private bool _isreconnection = false;
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/// <summary>
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/// 是否重连
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/// </summary>
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[Description("是否重连")]
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[Category("TcpClient属性")]
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public bool IsReconnection
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{
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set { _isreconnection = value; }
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get { return _isreconnection; }
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}
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private int _reConnectionTime = 3000;
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/// <summary>
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/// 设置断开重连时间间隔单位（毫秒）（默认3000毫秒）
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/// </summary>
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[Description("设置断开重连时间间隔单位（毫秒）（默认3000毫秒）")]
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[Category("TcpClient属性")]
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public int ReConnectionTime
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{
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get { return _reConnectionTime; }
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set { _reConnectionTime = value; }
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}
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private string _receivestr;
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/// <summary>
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/// 接收Socket数据包 缓存字符串
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/// </summary>
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[Description("接收Socket数据包 缓存字符串")]
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[Category("TcpClient隐藏属性"), Browsable(false)]
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public string Receivestr
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{
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set { _receivestr = value; }
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get { return _receivestr; }
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}
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/// <summary>
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/// 重连次数
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/// </summary>
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private int _reConectedCount = 0;
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[Description("重连次数")]
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[Category("TcpClient隐藏属性"), Browsable(false)]
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public int ReConectedCount
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{
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get { return _reConectedCount; }
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set { _reConectedCount = value; }
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}
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#endregion
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#region 方法
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/// <summary>
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/// 启动连接Socket服务器
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/// </summary>
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public void StartConnection()
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{
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try
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{
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IsStart = true;
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IsReconnection = true;
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CreateTcpClient();
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}
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catch (Exception ex)
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{
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OnTcpClientErrorMsgEnterHead("错误信息：" + ex.Message);
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}
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}
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/// <summary>
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/// 创建线程连接
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/// </summary>
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private void CreateTcpClient()
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{
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//如果已经启动TCP并且是可重连状态则继续连接
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if (!(IsReconnection && IsStart))
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return;
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//标示已启动连接，防止重复启动线程
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IsReconnection = false;
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IsStartTcpthreading = true;
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Tcpclient = new TcpClient();
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Tcpthread = new Thread(StartTcpThread);
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IsOnlienCheckStart();
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Tcpthread.Start();
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}
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/// <summary>
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/// 线程接收Socket上传的数据
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/// </summary>
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private void StartTcpThread()
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{
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byte[] receivebyte = new byte[2048];
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int bytelen;
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try
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{
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while (IsStartTcpthreading)
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{
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#region
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if (!Tcpclient.Connected)
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{
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try
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{
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if (ReConectedCount != 0)
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{
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//返回状态信息
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OnTcpClientStateInfoEnterHead(
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string.Format("正在第{0}次重新连接服务器... ...", ReConectedCount),
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SocketState.Reconnection);
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}
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else
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{
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//SocketStateInfo
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OnTcpClientStateInfoEnterHead("正在连接服务器... ...", SocketState.Connecting);
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}
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Tcpclient.Connect(IPAddress.Parse(ServerIp), ServerPort);
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OnTcpClientStateInfoEnterHead("已连接服务器", SocketState.Connected);
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//Tcpclient.Client.Send(Encoding.Default.GetBytes("login"));
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}
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catch
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{
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//连接失败
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ReConectedCount++;
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//强制重新连接
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IsReconnection = true;
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IsStartTcpthreading = false;
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//每三秒重连一次
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Thread.Sleep(ReConnectionTime);
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continue;
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}
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}
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//Tcpclient.Client.Send(Encoding.Default.GetBytes("login"));
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bytelen = Tcpclient.Client.Receive(receivebyte);
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// 连接断开
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if (bytelen == 0)
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{
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//返回状态信息
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OnTcpClientStateInfoEnterHead("与服务器断开连接... ...", SocketState.Disconnect);
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// 异常退出、强制重新连接
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IsReconnection = true;
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ReConectedCount = 1;
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IsStartTcpthreading = false;
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continue;
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}
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Receivestr = ASCIIEncoding.Default.GetString(receivebyte, 0, bytelen);
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byte[] bytes = new byte[bytelen];
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Array.Copy(receivebyte, 0, bytes, 0, bytelen);
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//OnTcpClientRecevice(bytes);
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if (Receivestr.Trim() != "")
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{
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//接收数据
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try
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{
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OnTcpClientRecevice(Receivestr, bytes);
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}
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catch (Exception ex)
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{
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//返回错误信息
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OnTcpClientErrorMsgEnterHead("错误信息：" + ex.Message);
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}
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}
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#endregion
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}
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//此时线程将结束，人为结束，自动判断是否重连
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IsReconnection = true;
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CreateTcpClient();
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}
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catch (Exception ex)
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{
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IsReconnection = true;
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CreateTcpClient();
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//返回错误信息
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try
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{
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OnTcpClientErrorMsgEnterHead("错误信息：" + ex.Message);
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}
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catch { }
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}
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}
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/// <summary>
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/// 断开连接
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/// </summary>
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public void StopConnection()
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{
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IsStart = false;
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IsReconnection = false;
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IsStartTcpthreading = false;
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Thread.Sleep(10);
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if (Tcpclient != null)
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{
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//关闭连接
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Tcpclient.Close();
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}
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if (Tcpthread != null)
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{
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Tcpthread.Interrupt();
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//关闭线程
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Tcpthread.Abort();
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//Tcpthread = null;
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}
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OnTcpClientStateInfoEnterHead("断开连接", SocketState.Disconnect);
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//标示线程已关闭可以重新连接
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}
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/// <summary>
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/// 发送Socket文本消息
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/// </summary>
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/// <param name="cmdstr"></param>
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public void SendCommand(string cmdstr)
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{
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try
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{
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//byte[] _out=Encoding.GetEncoding("GBK").GetBytes(cmdstr);
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byte[] _out = Encoding.Default.GetBytes(cmdstr);
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Tcpclient.Client.Send(_out);
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}
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catch (Exception ex)
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{
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//返回错误信息
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OnTcpClientErrorMsgEnterHead(ex.Message);
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}
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}
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public void SendFile(string filename)
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{
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Tcpclient.Client.BeginSendFile(filename,
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new AsyncCallback(SendCallback), Tcpclient);
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//Tcpclient.Client.SendFile(filename);
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}
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private void SendCallback(IAsyncResult result)
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{
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try
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{
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TcpClient tc = (TcpClient)result.AsyncState;
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// Complete sending the data to the remote device.
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tc.Client.EndSendFile(result);
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}
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catch (SocketException ex)
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{
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}
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}
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/// <summary>
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/// 发送Socket消息
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/// </summary>
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/// <param name="byteMsg"></param>
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public void SendCommand(byte[] byteMsg)
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{
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try
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{
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Tcpclient.Client.Send(byteMsg);
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}
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catch (Exception ex)
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{
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//返回错误信息
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OnTcpClientErrorMsgEnterHead("错误信息：" + ex.Message);
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}
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}
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// 检查一个Socket是否可连接
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public bool IsOnline()
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{
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return !((Tcpclient.Client.Poll(1000, SelectMode.SelectRead) && (Tcpclient.Client.Available == 0)) || !Tcpclient.Client.Connected);
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}
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public void IsOnlienCheckThread()
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{
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while (IsReconnection)
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{
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if (IsOnline())
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{
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IsStartTcpthreading = false;
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}
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}
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}
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public void IsOnlienCheckStart()
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{
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Thread t = new Thread(new ThreadStart(IsOnlienCheckThread));
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t.Start();
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}
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#endregion
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#region 事件
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#region OnRecevice接收数据事件
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public delegate void ReceviceEventHandler(string msg, byte[] data);
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[Description("接收数据事件")]
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[Category("TcpClient事件")]
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public event ReceviceEventHandler OnRecevice;
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protected virtual void OnTcpClientRecevice(string msg, byte[] data)
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{
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if (OnRecevice != null)
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OnRecevice(msg, data);
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}
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#endregion
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#region OnErrorMsg返回错误消息事件
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public delegate void ErrorMsgEventHandler(string msg);
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[Description("返回错误消息事件")]
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[Category("TcpClient事件")]
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public event ErrorMsgEventHandler OnErrorMsg;
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protected virtual void OnTcpClientErrorMsgEnterHead(string msg)
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{
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if (OnErrorMsg != null)
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OnErrorMsg(msg);
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}
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#endregion
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#region OnStateInfo连接状态改变时返回连接状态事件
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public delegate void StateInfoEventHandler(string msg, SocketState state);
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[Description("连接状态改变时返回连接状态事件")]
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[Category("TcpClient事件")]
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public event StateInfoEventHandler OnStateInfo;
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protected virtual void OnTcpClientStateInfoEnterHead(string msg, SocketState state)
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{
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if (OnStateInfo != null)
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OnStateInfo(msg, state);
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}
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#endregion
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#endregion
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}
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}
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