private void SendData(object stateObject)
{
try
{
if (fPreviousPacket == null)
{
try
{
fClient.fConnection.BeginSend(fBytes, fOffset, fLength, 0, new AsyncCallback(SendCallback), fClient.fConnection);
fDataSendCompleted.WaitOne();
}
catch (Exception exception)
{
fCancel = true;
fClient.DisconnectMe();
}
}
else
{
fPreviousPacket.fDone.WaitOne();
if (!fCancel && !fPreviousPacket.fCancel)
{
try
{
fClient.fConnection.BeginSend(fBytes, fOffset, fLength, 0, new AsyncCallback(SendCallback), fClient.fConnection);
fDataSendCompleted.WaitOne();
}
catch (Exception exception)
{
fCancel = true;
fClient.DisconnectMe();
}
}
else
{
fCancel = true;
}
}
}
catch (Exception ex)
{
}
if (fPreviousPacket != null)
{
fPreviousPacket = null;
}
fDone.Set();
}
/// <summary>
/// Constructs a new outgoing packet for an existing TCP client connection.
///
/// Use this class to send data from the server to a connected client.
/// This is an outgoing message that will remain in the servers thread pool
/// as a job for the thread pool workers.
/// </summary>
/// <param name="client">The client where this message belongs to.</param>
/// <param name="bytes">The byte array to be sent.</param>
/// <param name="offset">The position in the data buffer at witch to begin sending.</param>
/// <param name="length">The number of the bytes to be send.</param>
/// <param name="previousPacket">The previous outgoing packet of the client.</param>
public OutgoingTCPClientConnectionPacket(TCPClientConnection client, byte[] bytes, int offset, int length, OutgoingTCPClientConnectionPacket previousPacket)
{
try
{
fClient = client;
fBytes = bytes;
fOffset = offset;
fLength = length;
fPreviousPacket = previousPacket;
ThreadPool.QueueUserWorkItem(new WaitCallback(SendData));
}
catch (Exception ex)
{
throw new OutgoingPacketFailedException(this);
}
}
/// <summary>
/// Constructs a new outgoing packet for an existing TCP client connection.
///
/// Use this class to send data from the server to a connected client.
/// This is an outgoing message that will remain in the servers thread pool
/// as a job for the thread pool workers.
/// </summary>
/// <param name="client">The client where this message belongs to.</param>
/// <param name="bytes">The byte array to be sent.</param>
/// <param name="offset">The position in the data buffer at witch to begin sending.</param>
/// <param name="length">The number of the bytes to be send.</param>
/// <param name="previousPacket">The previous outgoing packet of the client.</param>
public OutgoingTCPClientConnectionPacket(TCPClientConnection client, byte[] bytes, int offset, int length, OutgoingTCPClientConnectionPacket previousPacket)
{
try
{
fClient = client;
fBytes = bytes;
fOffset = offset;
fLength = length;
fPreviousPacket = previousPacket;
ThreadPool.QueueUserWorkItem(new WaitCallback(SendData));
}
catch (Exception ex)
{
throw new OutgoingPacketFailedException(this);
}
}
private void SendData(object stateObject)
{
try
{
if (fPreviousPacket == null)
{
try
{
fClient.fConnection.BeginSend(fBytes, fOffset, fLength, 0, new AsyncCallback(SendCallback), fClient.fConnection);
fDataSendCompleted.WaitOne();
}
catch (Exception exception)
{
fCancel = true;
fClient.DisconnectMe();
}
}
else
{
fPreviousPacket.fDone.WaitOne();
if (!fCancel && !fPreviousPacket.fCancel)
{
try
{
fClient.fConnection.BeginSend(fBytes, fOffset, fLength, 0, new AsyncCallback(SendCallback), fClient.fConnection);
fDataSendCompleted.WaitOne();
}
catch (Exception exception)
{
fCancel = true;
fClient.DisconnectMe();
}
}
else
{
fCancel = true;
}
}
}
catch (Exception ex)
{
}
if (fPreviousPacket != null)
{
fPreviousPacket = null;
}
fDone.Set();
}
public OutgoingPacketFailedException(OutgoingTCPClientConnectionPacket packet)
:base("Outgoing packet failed")
{
fPacket = packet;
}
/// <summary>
/// Send data to client.
/// </summary>
/// <param name="bytes">The byte array to be send.</param>
/// <param name="offset">The position in the data buffer at witch to begin sending.</param>
/// <param name="length">The number of the bytes to be send.</param>
public void SendData(byte[] bytes, int offset, int length)
{
if (!this.fIsConnected)
{
throw new ClientIsDisconnectedException(this);
}
fBytesOut += length;
fMyListener.fBytesOut += length;
fLastOugoingPacket = new OutgoingTCPClientConnectionPacket(this, bytes, offset, length, fLastOugoingPacket);
}
public void DisconnectMe()
{
if (fActive)
{
fActive = false;
fIsConnected = false;
try
{
fConnection.Close();
}
catch (Exception ex)
{
}
if (fUseMessageCollector && fMyMessageCollector != null)
{
fMyMessageCollector.Dispose();
}
if (fLastIncomingPacket != null)
{
fLastIncomingPacket.Cancel();
}
if (fLastOugoingPacket != null)
{
fLastOugoingPacket.Cancel();
}
if (fLastMessageCollectorPacket != null)
{
fLastMessageCollectorPacket.Cancel();
}
fConnection = null;
fLastIncomingPacket = null;
fLastOugoingPacket = null;
fLastMessageCollectorPacket = null;
fMyMessageCollector = null;
fMyListener.RemoveClient(fIPAddress);
fMyListener.MyExtasysTCPServer.OnClientDisconnect(this);
}
}
