private void SendCallback (IAsyncResult ar)
{
SendStateObject sendState = (SendStateObject)ar.AsyncState;
try {
//Socket client = (Socket)ar.AsyncState;
Socket client = sendState.workSocket;
int bytesSent = client.EndSend (ar);
if (bytesSent < sendState.buffer.Length - sendState.offset) {
sendState.offset += bytesSent;
client.BeginSend (sendState.buffer, sendState.offset, sendState.buffer.Length - sendState.offset, SocketFlags.None, asyncSendCallback, sendState);
return;
}
if (sendState.disconnectAfterSend && !keepAlive) {
Disconnect ();
}
} catch (SocketException ex) {
Logger.Write (LogLevel.Error, "SendCallback. Socket error while sending data: {0}", ex.Message);
OnDisconnected ();
Interlocked.Exchange (ref sendProcessing, 0);
return;
} catch (ObjectDisposedException) {
Logger.Write (LogLevel.Error, "SendCallback. Socket has already been disposed");
OnDisconnected ();
Interlocked.Exchange (ref sendProcessing, 0);
return;
//??? should we return or try to process other messages in queue.
} catch (Exception ex) {
Logger.Write (LogLevel.Error, "Unexpected exception in SendCallback", ex);
Interlocked.Exchange (ref sendProcessing, 0);
throw;
} finally {
//set sendState properties to null
//workaround for fixing huge memory leak with sendstate
if (sendState != null) {
sendState.buffer = null;
sendState.workSocket = null;
sendState = null;
}
}
bool continueSend = false;
lock (sendQueue) {
if (sendQueue.Count > 0) {
//get next element if we have
continueSend = true;
} else {
Interlocked.Exchange (ref sendProcessing, 0);
}
}
if (continueSend) {
StartSendPackets ();
}
}
private void SendCallback(IAsyncResult ar)
{
SendStateObject sendState = (SendStateObject)ar.AsyncState;
try {
//Socket client = (Socket)ar.AsyncState;
Socket client = sendState.workSocket;
int bytesSent = client.EndSend(ar);
if (bytesSent < sendState.buffer.Length - sendState.offset)
{
sendState.offset += bytesSent;
client.BeginSend(sendState.buffer, sendState.offset, sendState.buffer.Length - sendState.offset, SocketFlags.None, asyncSendCallback, sendState);
return;
}
if (sendState.disconnectAfterSend && !keepAlive)
{
Disconnect();
}
} catch (SocketException ex) {
Logger.Write(LogLevel.Error, "SendCallback. Socket error while sending data: {0}", ex.Message);
OnDisconnected();
Interlocked.Exchange(ref sendProcessing, 0);
return;
} catch (ObjectDisposedException) {
Logger.Write(LogLevel.Error, "SendCallback. Socket has already been disposed");
OnDisconnected();
Interlocked.Exchange(ref sendProcessing, 0);
return;
//??? should we return or try to process other messages in queue.
} catch (Exception ex) {
Logger.Write(LogLevel.Error, "Unexpected exception in SendCallback", ex);
Interlocked.Exchange(ref sendProcessing, 0);
throw;
} finally {
//set sendState properties to null
//workaround for fixing huge memory leak with sendstate
if (sendState != null)
{
sendState.buffer = null;
sendState.workSocket = null;
sendState = null;
}
}
bool continueSend = false;
lock (sendQueue) {
if (sendQueue.Count > 0)
{
//get next element if we have
continueSend = true;
}
else
{
Interlocked.Exchange(ref sendProcessing, 0);
}
}
if (continueSend)
{
StartSendPackets();
}
}