C++ (Cpp) checkRequestQueue Examples

Example #1

File: icq_avatar.cpp Project: ybznek/miranda-ng

void avatars_server_connection::connectionThread()
{
	// This is the "infinite" loop that receives the packets from the ICQ avatar server
	NETLIBPACKETRECVER packetRecv = { 0 };
	DWORD dwLastKeepAlive = time(0) + KEEPALIVE_INTERVAL;

	hPacketRecver = (HANDLE)CallService(MS_NETLIB_CREATEPACKETRECVER, (WPARAM)hConnection, 65536);
	packetRecv.cbSize = sizeof(packetRecv);
	packetRecv.dwTimeout = 1000; // timeout - for stopThread to work
	while (!stopThread) {
		int recvResult = CallService(MS_NETLIB_GETMOREPACKETS, (WPARAM)hPacketRecver, (LPARAM)&packetRecv);
		if (recvResult == 0) {
			ppro->debugLogA("Clean closure of avatar socket");
			break;
		}

		if (recvResult == SOCKET_ERROR) {
			if (GetLastError() == ERROR_TIMEOUT) {  // timeout, check if we should be still running
				if (Miranda_Terminated())
					break;

				if (time(0) >= dwLastKeepAlive) { // limit frequency (HACK: on some systems select() does not work well)
					if (!ppro->m_bGatewayMode && ppro->getByte("KeepAlive", DEFAULT_KEEPALIVE_ENABLED)) { // send keep-alive packet
						icq_packet packet;
						packet.wLen = 0;
						write_flap(&packet, ICQ_PING_CHAN);
						sendServerPacket(&packet);
					}
					dwLastKeepAlive = time(0) + KEEPALIVE_INTERVAL;
				}

				// check if we got something to request
				checkRequestQueue();
				continue;
			}
			if (!stopThread)
				ppro->debugLogA("Avatar socket closed abortively, error: %d", GetLastError());
			else
				ppro->debugLogA("Avatar socket gracefully closed.");
			break;
		}

		// Deal with the packet
		packetRecv.bytesUsed = handleServerPackets(packetRecv.buffer, packetRecv.bytesAvailable);

		if (isActive && (packetRecv.bytesAvailable == packetRecv.bytesUsed)) // no packets pending
			checkRequestQueue(); // process request queue
	}
	{
		// release connection
		mir_cslock l(localSeqMutex);
		NetLib_SafeCloseHandle(&hPacketRecver); // Close the packet receiver
		NetLib_CloseConnection(&hConnection, FALSE); // Close the connection
	}
	{
		// release rates
		mir_cslock l(m_ratesMutex);
		delete m_rates; m_rates = NULL;
	}

	SAFE_FREE((void**)&pCookie);
}

Example #2

File: icq_avatar.cpp Project: MrtsComputers/miranda-ng

void avatars_server_connection::connectionThread()
{
	// This is the "infinite" loop that receives the packets from the ICQ avatar server
	NETLIBPACKETRECVER packetRecv = {0};
	DWORD wLastKeepAlive = 0; // we send keep-alive at most one per 30secs
	DWORD dwKeepAliveInterval = ppro->getDword("KeepAliveInterval", KEEPALIVE_INTERVAL);

	hPacketRecver = (HANDLE)CallService(MS_NETLIB_CREATEPACKETRECVER, (WPARAM)hConnection, 65536);
	packetRecv.cbSize = sizeof(packetRecv);
	packetRecv.dwTimeout = dwKeepAliveInterval < KEEPALIVE_INTERVAL ? dwKeepAliveInterval: KEEPALIVE_INTERVAL; // timeout - for stopThread to work
	while (!stopThread)
	{
		int recvResult = CallService(MS_NETLIB_GETMOREPACKETS, (WPARAM)hPacketRecver, (LPARAM)&packetRecv);

		if (recvResult == 0)
		{
			ppro->debugLogA("Clean closure of server socket");
			break;
		}

		if (recvResult == SOCKET_ERROR)
		{
			if (GetLastError() == ERROR_TIMEOUT)
			{  // timeout, check if we should be still running
				if (Miranda_Terminated())
				{ // we must stop here, cause due to a hack in netlib, we always get timeout, even if the connection is already dead
					stopThread = 1;
					continue;
				}
#ifdef _DEBUG
				else ppro->debugLogA("Thread is Idle.");
#endif
				if (GetTickCount() > wLastKeepAlive)
				{ // limit frequency (HACK: on some systems select() does not work well)
					if (!ppro->m_bGatewayMode && ppro->getByte("KeepAlive", DEFAULT_KEEPALIVE_ENABLED))
					{ // send keep-alive packet
						icq_packet packet;

						packet.wLen = 0;
						write_flap(&packet, ICQ_PING_CHAN);
						sendServerPacket(&packet);
					}
					wLastKeepAlive = GetTickCount() + dwKeepAliveInterval;
				}
				else
				{ // this is bad, the system does not handle select() properly
#ifdef _DEBUG
					ppro->debugLogA("Thread is Forcing Idle.");
#endif
					SleepEx(500, TRUE); // wait some time, can we do anything else ??
					if (Miranda_Terminated())
					{
						stopThread = 1;
						continue;
					}
				}
				// check if we got something to request
				checkRequestQueue();
				continue;
			}
			if (!stopThread)
				ppro->debugLogA("Abortive closure of server socket, error: %d", GetLastError());
			else
				ppro->debugLogA("Connection closed.");
			break;
		}

		// Deal with the packet
		packetRecv.bytesUsed = handleServerPackets(packetRecv.buffer, packetRecv.bytesAvailable);

		if (isActive && (packetRecv.bytesAvailable == packetRecv.bytesUsed)) // no packets pending
		{ // process request queue
			checkRequestQueue();
		}
	}
	{ // release connection
		icq_lock l(localSeqMutex);
		NetLib_SafeCloseHandle(&hPacketRecver); // Close the packet receiver
		NetLib_CloseConnection(&hConnection, FALSE); // Close the connection
	}

	{ // release rates
		icq_lock l(m_ratesMutex);
		SAFE_DELETE((MZeroedObject**)&m_rates);
	}

	SAFE_FREE((void**)&pCookie);
}