//data arrive
private void DataCallback(IAsyncResult ar)
{
IOCPSocket socket = null;
try
{
if (ar.AsyncState == null)
{
if (_appExcptionHandler != null)
{
_appExcptionHandler(socket, AppExceptionEnum.Error, "Socket已释放");
}
return;
}
}
catch (Exception ex)
{
}
try
{
socket = ar.AsyncState as IOCPSocket;
socket.SocketObject.DataLength = socket.SocketObject.ClientSocket.EndReceive(ar);
if (socket.SocketObject.DataLength > 0)
{
if (_dataHandler != null)
{
_dataHandler(socket);
}
socket.LastRecvDataTime = DateTime.Now;
}
else
{
socket.Close();
return;
}
IOCPSocket _socket = socket;
_socket.SocketObject.DataLength = 0;
socket.SocketObject.ClientSocket.BeginReceive(_socket.SocketObject.Buffer, _socket.SocketObject.DataLength, IOCPObject.BufferLengthMax, SocketFlags.None, new AsyncCallback(DataCallback), _socket);
}
catch (Exception ex)
{
if (socket != null)
{
_id = socket.ID;
}
Close();
}
}
//允许接入
private void AcceptClientHandlerCallback(IAsyncResult ar)
{
IOCPSocket socket = null;
try
{
_client.EndConnect(ar);
socket = acceptEventHandler(_client.Client);
socket.LastRecvDataTime = DateTime.Now;
socket.CreateDateTime = DateTime.Now;
_socketObject = socket.SocketObject;
if (_appExcptionHandler != null)
{
_appExcptionHandler(socket, AppExceptionEnum.StartOK, "启动成功");
}
if (_acceptHandler != null)
{
_acceptHandler(socket);
}
_client.Client.BeginReceive(socket.SocketObject.Buffer, socket.SocketObject.DataLength, IOCPObject.BufferLengthMax, SocketFlags.None, new AsyncCallback(DataCallback), socket);
}
catch (SocketException ex)
{
if (_exceptionHandler != null)
{
_exceptionHandler(socket, AppExceptionEnum.Error, ex.Message);
}
Close();
}
catch (ObjectDisposedException ex)
{
if (_exceptionHandler != null)
{
_exceptionHandler(socket, AppExceptionEnum.Error, ex.Message);
}
}
catch (Exception ex)
{
if (_exceptionHandler != null)
{
_exceptionHandler(socket, AppExceptionEnum.Error, ex.Message);
}
Close();
}
}
/// <summary>
/// 本地更新变量
/// </summary>
/// <param name="client"></param>
/// <returns></returns>
protected IOCPSocket acceptEventHandler(Socket client)
{
IOCPSocket socket = new IOCPSocket();
socket.ID = Guid.NewGuid();
socket.IsLogined = IsLogined;
socket.DeviceId = DeviceId;
socket.Serial = _deviceSerial;
socket.SocketObject = new IOCPObject();
socket.SocketObject.DataLength = 0;
socket.SocketObject.Buffer = new byte[IOCPObject.BufferLengthMax];
socket.SocketObject.ClientSocket = client;
socket.OnDataHandler += _dataHandler;
socket.OnAcceptHandler += _acceptHandler;
socket.OnCloseHandler += _closeHandler;
socket.OnExceptionHandler += _exceptionHandler;
socket.OnAppExceptionHandler += _appExcptionHandler;
return(socket);
}
public SocketBuffer()
{
LastDataReceived = DateTime.Now;
Buffer = new CmdBuffer();
Socket = new IOCPSocket();
}