private void PrepareDataToSend(SocketAsyncEventArgs sendArgs)
{
// TODO: check for errors / connection closing
// check if all data were send
// TODO: validate - blocking queue impl
while (true)
{
_sendBuffer.StartPacket();
INetworkCommandAsync command;
FramePacket activeFrameTransfer;
if (_sendCommandQueue.TryDequeue(out command))
{
if (command.Status == OperationStatus.Request)
{
_activeRequests.TryAdd(command, 0);
}
command.WriteCommand(_sendBuffer);
_sendBuffer.FinalizePacket();
}
// priority frames should be less than 64kB - otherwise same algorithm as for "normal" priority frames must apply
else if (_prioritySendQueue.TryPeek(out activeFrameTransfer))
{
if (activeFrameTransfer.WriteData(_sendBuffer))
{
// all frame data were written
_prioritySendQueue.TryDequeue(out activeFrameTransfer);
}
_sendBuffer.FinalizePacket();
}
else if (_sendQueue.TryPeek(out activeFrameTransfer))
{
if (activeFrameTransfer.WriteData(_sendBuffer))
{
// all frame data were written
_sendQueue.TryDequeue(out activeFrameTransfer);
}
_sendBuffer.FinalizePacket();
}
if (_sendBuffer.FinalizedPacket)
{
sendArgs.SetBuffer(_sendBuffer.ReadOffset, _sendBuffer.WriteOffset - _sendBuffer.ReadOffset);
return;
}
if (_connection == null)
{
return;
}
_sendEvent.WaitOne();
if (_connection == null)
{
return;
}
}
}
