[INFO] About sokit UDP connections timeout feature

[JiapengLi]

To help someone who is curious about why UDP connection lost.

The sokit use a timer to detect whether the UDP connection is lost, if there is no data communication over a UDP connection more than 2min. Sokit will remove the UDP connection from the list.

Related code:

e041ccb : src/sokit/serverskt.cpp line 334

m_timer.start(2000);

e041ccb : src/sokit/serverskt.cpp line 435

void ServerSktUdp::check()
{
	QStringList list;
	getKeys(list);

	while (!list.isEmpty())
	{
		QString k = list.takeFirst();

		void* c = getCookie(k);

		if (c && (((Conn*)c)->stamp.addSecs(120) < QDateTime::currentDateTime()))
		{
			close(c);
			unsetCookie(k);
		}
	}
}