private void StartSend(SendingQueue queue, int sendingTrackID, bool initial)
{
if (initial)
{
if (!TryAddStateFlag(SocketState.InSending))
{
return;
}
var currentQueue = m_SendingQueue;
if (currentQueue != queue || sendingTrackID != currentQueue.TrackID)
{
//Has been sent
OnSendEnd();
return;
}
}
Socket client;
if (IsInClosingOrClosed && TryValidateClosedBySocket(out client))
{
OnSendEnd();
return;
}
SendingQueue newQueue;
if (!m_SendingQueuePool.TryGet(out newQueue))
{
OnSendEnd(CloseReason.InternalError, true);
AppSession.Logger.Error("There is no enougth sending queue can be used.");
return;
}
var oldQueue = Interlocked.CompareExchange(ref m_SendingQueue, newQueue, queue);
if (!ReferenceEquals(oldQueue, queue))
{
if (newQueue != null)
{
m_SendingQueuePool.Push(newQueue);
}
if (IsInClosingOrClosed)
{
OnSendEnd();
}
else
{
OnSendEnd(CloseReason.InternalError, true);
AppSession.Logger.Error("Failed to switch the sending queue.");
}
return;
}
//Start to allow enqueue
newQueue.StartEnqueue();
queue.StopEnqueue();
if (queue.Count == 0)
{
m_SendingQueuePool.Push(queue);
OnSendEnd(CloseReason.InternalError, true);
AppSession.Logger.Error("There is no data to be sent in the queue.");
return;
}
Send(queue);
}
