Function link_request

src/remote/server/server.cpp:1588–1652

static bool link_request(rem_port* port, server_req_t* request)
{
/**************************************
 *
 *	l i n k _ r e q u e s t
 *
 **************************************
 *
 * Functional description
 *	Search for a port in a queue,
 *	if found - append new request to it.
 *
 **************************************/
	const P_OP operation = request->req_receive.p_operation;
	server_req_t* queue;

	MutexLockGuard queGuard(request_que_mutex, FB_FUNCTION);

	bool active = true;
	queue = active_requests;

	while (true)
	{
		for (; queue; queue = queue->req_next)
		{
			if (queue->req_port == port)
			{
				// Don't queue a dummy keepalive packet if there is a request on this port
				if (operation == op_dummy)
				{
					free_request(request);
					return true;
				}

				append_request_chain(request, &queue->req_chain);
#ifdef DEBUG_REMOTE_MEMORY
				printf("link_request %s request_queued %d\n",
					active ? "ACTIVE" : "PENDING", port->port_requests_queued.value());
				fflush(stdout);
#endif
				break;
			}
		}

		if (queue || !active)
			break;

		queue = request_que;
		active = false;
	}

	if (!queue)
		append_request_next(request, &request_que);

	++port->port_requests_queued;

	if (queue)
	{