Function SV_CheckTimeouts

code/server/sv_main.cpp:363–387

If a packet has not been received from a client for timeout->integer seconds, drop the conneciton. Server time is used instead of realtime to avoid dropping the local client while debugging. When a client is normally dropped, the client_t goes into a zombie state for a few seconds to make sure any final reliable message gets resent if necessary

// When a client is normally dropped, the client_t goes into a zombie state for a few seconds to make sure any final
//	reliable message gets resent if necessary
void SV_CheckTimeouts( void ) {
	client_t *cl = svs.clients;

	int droppoint = sv.time - 1000 * sv_timeout->integer;
	int zombiepoint = sv.time - 1000 * sv_zombietime->integer;

	// message times may be wrong across a changelevel
	if ( cl->lastPacketTime > sv.time )
		cl->lastPacketTime = sv.time;

	if ( cl->state == CS_ZOMBIE && cl->lastPacketTime < zombiepoint ) {
		cl->state = CS_FREE;	// can now be reused
		return;
	}

	if ( cl->state >= CS_CONNECTED && cl->lastPacketTime < droppoint ) {
		// wait several frames so a debugger session doesn't cause a timeout
		if ( ++cl->timeoutCount > 5 ) {
			SV_DropClient( cl, "timed out" );
			cl->state = CS_FREE; // don't bother with zombie state
		}
	}
	else
		cl->timeoutCount = 0;
}

/*
==================