Method SendData

src/ClientHandle.cpp:1535–1580

void cClientHandle::SendData(const char * a_Data, size_t a_Size)
{
	if (m_HasSentDC)
	{
		// This could crash the client, because they've already unloaded the world etc., and suddenly a wild packet appears (#31)
		return;
	}
	
	{
		cCSLock Lock(m_CSOutgoingData);
		
		// _X 2012_09_06: We need an overflow buffer, usually when streaming the initial chunks
		if (m_OutgoingDataOverflow.empty())
		{
			// No queued overflow data; if this packet fits into the ringbuffer, put it in, otherwise put it in the overflow buffer:
			size_t CanFit = m_OutgoingData.GetFreeSpace();
			if (CanFit > a_Size)
			{
				CanFit = a_Size;
			}
			if (CanFit > 0)
			{
				m_OutgoingData.Write(a_Data, CanFit);
			}
			if (a_Size > CanFit)
			{
				m_OutgoingDataOverflow.append(a_Data + CanFit, a_Size - CanFit);
			}
		}
		else
		{
			// There is a queued overflow. Append to it, then send as much from its front as possible
			m_OutgoingDataOverflow.append(a_Data, a_Size);
			int CanFit = m_OutgoingData.GetFreeSpace();
			if (CanFit > 128)
			{
				// No point in moving the data over if it's not large enough - too much effort for too little an effect
				m_OutgoingData.Write(m_OutgoingDataOverflow.data(), CanFit);
				m_OutgoingDataOverflow.erase(0, CanFit);
			}
		}
	}  // Lock(m_CSOutgoingData)
	
	// Notify SocketThreads that we have something to write:
	cRoot::Get()->GetServer()->NotifyClientWrite(this);
}