/// <summary>
/// 将Socket加入连接列表
/// </summary>
/// <param name="socket">要加入列表的Socket</param>
private void AddSocketToList(TcpServerSocket socket)
{
lock (this._connectedServerSockets)
{
if (this._connectedServerSockets.Contains(socket))
{
return;
}
this._connectedServerSockets.Add(socket);
}
}
/// <summary>
/// 从连接列表中清除Socket
/// </summary>
/// <param name="socket"></param>
private void RemoveSocketFromList(TcpServerSocket socket)
{
lock (this._connectedServerSockets)
{
if (!this._connectedServerSockets.Contains(socket))
{
return;
}
this._connectedServerSockets.Remove(socket);
}
}
public TcpServerEventArgs(TcpServerSocket serverSocket, int datasize)
{
Debug.Assert(serverSocket != null && datasize >= 0);
if (serverSocket == null)
{
throw new Exception("TcpServerEventArgs_Constructor_Error:TcpServerSocket实例不能为空");
}
if (datasize < 0)
{
throw new Exception("TcpServerEventArgs_Constructor_Error:数据大小不能小于0");
}
this._serverSocket = serverSocket;
this._datasize = datasize;
}
/// <summary>
/// 关闭套接字
/// </summary>
/// <param name="socket">要关闭的套接字</param>
public void CloseSocket(TcpServerSocket socket)
{
if (!this._connectedServerSockets.Contains(socket))
{
return;
}
try
{
socket.Socket.Shutdown(SocketShutdown.Both);
socket.Socket.Close();
}
catch (SocketException sex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_CloseSocket_SocketException:{0}", sex.StackTrace));
OnError(string.Format("AsyncTcpServer_CloseSocket_SocketException:{0}", sex.StackTrace), null);
}
catch (ObjectDisposedException oex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_CloseSocket_ObjectDisposedException:{0}", oex.StackTrace));
OnError(string.Format("AsyncTcpServer_CloseSocket_ObjectDisposedException:{0}", oex.StackTrace), null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_CloseSocket_Exception:{0}", ex.StackTrace));
OnError(string.Format("AsyncTcpServer_CloseSocket_Exception:{0}", ex.StackTrace), null);
}
// 从列表中清除
this.RemoveSocketFromList(socket);
if (this.OnClientDisconnected != null)
{
this.OnClientDisconnected(this, new TcpServerEventArgs(socket));
}
}
public TcpServerEventArgs(TcpServerSocket serverSocket)
: this(serverSocket, 0)
{
}
/////////////// <summary>
/////////////// 解协议的事件
/////////////// </summary>
/////////////// <param name="sender"></param>
/////////////// <param name="e"></param>
////////////void ProtocolReceiver_OnProtocolReceived(object sender, RoutedPropertyChangedEventArgs<protocol> e)
////////////{
//////////// if (OneHollpackReceived != null)
//////////// {
//////////// OneHollpackReceived(sender, e);
//////////// }
////////////}
#endregion
#region ===接收数据的回调函数===
/// <summary>
/// 接收数据的回调函数
/// </summary>
/// <param name="ar"></param>
private void ReceiveDataCallback(IAsyncResult ar)
{
TcpServerSocket serverSocket = ar.AsyncState as TcpServerSocket;
int iReceiveBytesCount = 0;
bool bError = true;
try
{
iReceiveBytesCount = serverSocket.Socket.EndReceive(ar);
bError = false;
}
catch (SocketException sex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_EndReceive_SocketException:{0}", sex.ToString()));
//OnError(string.Format("AsyncTcpServer_EndReceive_SocketException:[{1}]{0}", sex.ToString(), sex.SocketErrorCode.ToString()), null);
}
catch (ObjectDisposedException oex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_EndReceive_ObjectDisposedException:{0}", oex.StackTrace));
//OnError(string.Format("AsyncTcpServer_EndReceive_ObjectDisposedException:{0}", oex.StackTrace), null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_EndReceive_Exception:{0}", ex.StackTrace));
//OnError(string.Format("AsyncTcpServer_EndReceive_Exception:{0}", ex.StackTrace), null);
}
// 发生错误或客户端断开连接则关闭套接字
if (bError || iReceiveBytesCount == 0)
{
try
{
serverSocket.Socket.Shutdown(SocketShutdown.Both);
serverSocket.Socket.Close();
OnError(string.Format("Socket.Shutdown"), null);
}
catch (SocketException sex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_ClientDisconnected_SocketException:{0}", sex.StackTrace));
OnError(string.Format("AsyncTcpServer_ClientDisconnected_SocketException:{0}", sex.StackTrace), null);
}
catch (ObjectDisposedException oex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_ClientDisconnected_ObjectDisposedException:{0}", oex.StackTrace));
OnError(string.Format("AsyncTcpServer_ClientDisconnected_ObjectDisposedException:{0}", oex.StackTrace), null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_ClientDisconnected_Exception:{0}", ex.StackTrace));
OnError(string.Format("AsyncTcpServer_ClientDisconnected_Exception:{0}", ex.StackTrace), null);
}
// 从连接列表中删除
this.RemoveSocketFromList(serverSocket);
if (this.OnClientDisconnected != null)
{
this.OnClientDisconnected(this, new TcpServerEventArgs(serverSocket));
}
return;
}
////////////if (OneHollpackReceived != null)
////////////{
//////////// //this.OnReceiveData(this, new TcpServerEventArgs(serverSocket, iReceiveBytesCount));
//////////// ///将数据传当前联接对像的解协议实例
//////////// serverSocket.ProtocolReceiver.ReceiveActive(serverSocket.Buffer.Take(iReceiveBytesCount).ToArray());
////////////}
if (OnReceiveData != null)
{
OnReceiveData(this, new TcpServerEventArgs(serverSocket, iReceiveBytesCount));
}
bError = true;
try
{
serverSocket.Socket.BeginReceive(serverSocket.Buffer, 0, serverSocket.Buffer.Length, SocketFlags.None, new AsyncCallback(this.ReceiveDataCallback), serverSocket);
bError = false;
}
catch (SocketException sex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_BeginReceive_SocketException:{0}", sex.StackTrace));
OnError(string.Format("AsyncTcpServer_BeginReceive_SocketException:{0}", sex.StackTrace), null);
}
catch (ObjectDisposedException oex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_BeginReceive_ObjectDisposedException:{0}", oex.StackTrace));
OnError(string.Format("AsyncTcpServer_BeginReceive_ObjectDisposedException:{0}", oex.StackTrace), null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_BeginReceive_Exception:{0}", ex.StackTrace));
OnError(string.Format("AsyncTcpServer_BeginReceive_Exception:{0}", ex.StackTrace), null);
}
if (bError)
{
// 从列表中删除
this.RemoveSocketFromList(serverSocket);
if (this.OnClientDisconnected != null)
{
this.OnClientDisconnected(this, new TcpServerEventArgs(serverSocket));
}
}
}
/// <summary>
/// 接受连接的回调函数
/// </summary>
/// <param name="ar"></param>
private void AcceptSocketCallback(IAsyncResult ar)
{
TcpListener tcpListener = ar.AsyncState as TcpListener;
Socket serverSocket = null;
bool bError = true;;
try
{
serverSocket = tcpListener.EndAcceptSocket(ar);
bError = false;
}
catch (SocketException sex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_SocketException:{0}", sex.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_SocketException:{0}", sex.StackTrace), null);
}
catch (ObjectDisposedException oex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_ObjectDisposedException:{0}", oex.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_ObjectDisposedException:{0}", oex.StackTrace), null);
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_Exception:{0}", ex.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_Exception:{0}", ex.StackTrace), null);
}
Debug.WriteLine(string.Format("当前连接数:{0}", this._connectedServerSockets.Count));
try
{
// 接受新连接
tcpListener.BeginAcceptSocket(new AsyncCallback(this.AcceptSocketCallback), tcpListener);
}
catch (Exception exAcceptNew)
{
Debug.WriteLine(string.Format("接收新套接字时出错:{0}", exAcceptNew.StackTrace));
OnError(string.Format("接收新套接字时出错:{0}", exAcceptNew.StackTrace), null);
}
if (bError)
{
return;
}
TcpServerSocket socketWrapper = new TcpServerSocket(serverSocket);
//////////////socketWrapper.ProtocolReceiver.OnProtocolReceived += new RoutedPropertyChangedEventHandler<protocol>(ProtocolReceiver_OnProtocolReceived);
// 加入连接列表
this.AddSocketToList(socketWrapper);
// 调用事件
if (this.OnAcceptSocket != null)
{
this.OnAcceptSocket(this, new TcpServerEventArgs(socketWrapper));
}
bError = true;
try
{
// 开始接收数据
serverSocket.BeginReceive(socketWrapper.Buffer, 0, socketWrapper.Buffer.Length, SocketFlags.None, new AsyncCallback(this.ReceiveDataCallback), socketWrapper);
bError = false;
}
catch (SocketException sex1)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_SocketException:{0}", sex1.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_SocketException:{0}", sex1.StackTrace), null);
}
catch (ObjectDisposedException oex1)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_ObjectDisposedException:{0}", oex1.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_ObjectDisposedException:{0}", oex1.StackTrace), null);
}
catch (Exception ex1)
{
Debug.WriteLine(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_Exception:{0}", ex1.StackTrace));
OnError(string.Format("AsyncTcpServer_AcceptSocket_BeginReceive_Exception:{0}", ex1.StackTrace), null);
}
if (bError)
{
try
{
//serverSocket.Shutdown(SocketShutdown.Both);
serverSocket.Close();
if (this.OnClientDisconnected != null)
{
this.OnClientDisconnected(this, new TcpServerEventArgs(serverSocket));
}
}
catch (Exception ex)
{
Debug.WriteLine(string.Format("关闭客户端连接出错:{0}", ex.StackTrace));
OnError(string.Format("关闭客户端连接出错:{0}", ex.StackTrace), null);
}
// 从列表中删除
this.RemoveSocketFromList(socketWrapper);
}
// 清理引用
serverSocket = null;
socketWrapper = null;
}