/// <summary>
/// 心跳定时器
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
/// <param name="_socket">对应的socket客户端实例</param>
private void heartbeatTimerIsUp(object sender, ElapsedEventArgs e, Socket _socket)
{
//如果客户端的状态是连接着的，则发送心跳消息；否则从客户端列表中移除该客户端
try
{
if (_socket.Connected && IsClose != true)
{
byte[] sendMsg = new byte[2];
if (sLock == false)
{
_socket.Send(sendMsg);
}
}
else
{
if (socketTimerDic.ContainsKey(_socket))
{
socketTimerDic.Remove(_socket);
CustomMsg msg = new CustomMsg(1, _socket.RemoteEndPoint.ToString(), "断开成功！");
RevMsg.Invoke(msg);
}
}
}
catch (System.Net.Sockets.SocketException)
{
socketTimerDic.Remove(_socket);
CustomMsg msg = new CustomMsg(1, _socket.RemoteEndPoint.ToString(), "断开成功！");
RevMsg.Invoke(msg);
return;
}
}
/// <summary>
/// 开始监听
/// </summary>
private void ListenSocket()
{
try
{
while (true)
{
if (IsClose)
{
break;
}
Socket _socket = socketServer.Accept();
CustomMsg msg = new CustomMsg(0, _socket.RemoteEndPoint.ToString(), "连接成功！");
RevMsg.Invoke(msg);
Console.WriteLine("新客户端连接成功");
//开始心跳
System.Timers.Timer heartbeatTimer = new System.Timers.Timer();
heartbeatTimer.Interval = 1500;
heartbeatTimer.Elapsed += new System.Timers.ElapsedEventHandler((s, e) => heartbeatTimerIsUp(s, e, _socket));
heartbeatTimer.Start();
socketTimerDic.Add(_socket, null);
Thread thdReceive = new Thread(new ParameterizedThreadStart(thdRevMethod));
thdReceive.Start(_socket);
ClientList.Add(_socket);
}
}
catch (Exception ex)
{
Console.WriteLine("程序出现异常:" + ex);
}
}
/// <summary>
/// 接收消息
/// </summary>
/// <param name="obj"></param>
private void thdRevMethod(object obj)
{
Socket _socket = obj as Socket;
while (true)
{
try
{
if (IsClose)
{
return;
}
byte[] resByte = new byte[1024];
int resInt = _socket.Receive(resByte);
if (resInt > 0)
{
string res = Encoding.Default.GetString(resByte, 0, resInt);
if (RevMsg != null)
{
CustomMsg msg = new CustomMsg(3, _socket.RemoteEndPoint.ToString(), res);
RevMsg.Invoke(msg);
Console.WriteLine(msg.msg);
}
}
}
catch (SocketException sex)
{
if (sex.SocketErrorCode == SocketError.ConnectionReset)
{
//当客户端断开连接,从列表中移除该客户端
if (socketTimerDic.ContainsKey(_socket))
{
socketTimerDic.Remove(_socket);
CustomMsg msg = new CustomMsg(1, _socket.RemoteEndPoint.ToString(), "断开成功！");
RevMsg.Invoke(msg);
}
}
}
catch (Exception ex)
{
Console.WriteLine("程序出现异常:" + ex);
continue;
}
}
}