private void SendCallback(IAsyncResult ar)
{
SessionParam param = (SessionParam)ar.AsyncState;
int bytesSent = 0;
try
{
bytesSent = param.socket.EndSend(ar);
}
catch (ObjectDisposedException)
{
return;
}
catch (Exception exception)
{
_active = false;
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.SendError, exception.Message);
return;
}
throw;
}
if (SendHandler != null)
{
SendHandler(this, bytesSent, param);
}
}
private void ConnectCallback(IAsyncResult ar)
{
SessionParam param = (SessionParam)ar.AsyncState;
try
{
param.socket.EndConnect(ar);
}
catch (ObjectDisposedException)
{
return;
}
catch (Exception exception)
{
_active = false;
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.ConnectError, exception.Message);
return;
}
throw;
}
_active = true;
if (ConnectedHandler != null)
{
ConnectedHandler(this, param);
}
Receive();
}
public void Send(byte[] buffer, int offset, int size)
{
if (_socket == null)
{
string errorMessage = "session not initialize.";
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.StateError, errorMessage);
return;
}
throw new Exception(errorMessage);
}
try
{
SessionParam param = new SessionParam(_socket, _ipAddress, _port);
_socket.BeginSend(buffer, offset, size, SocketFlags.None, SendCallback, param);
}
catch (Exception exception)
{
_active = false;
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.StateError, exception.Message);
return;
}
throw;
}
}
public void Connect(IPAddress ipAddress, int port)
{
Initialize(ipAddress.AddressFamily);
_ipAddress = ipAddress;
_port = port;
if (_socket == null)
{
string errorMessage = "initialize failure.";
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.StateError, errorMessage);
return;
}
throw new Exception(errorMessage);
}
try
{
SessionParam param = new SessionParam(_socket, _ipAddress, _port);
_socket.BeginConnect(_ipAddress, _port, ConnectCallback, param);
}
catch (Exception exception)
{
if (ErrorHandler != null)
{
ErrorHandler(this, SessionErrorCode.StateError, exception.Message);
return;
}
throw;
}
}
