Function Run

src/tools/crapnet.cpp:52–201

static int g_ConfigReorder = 0;

static void Run(unsigned short Port, NETADDR Dest)
{
	NETADDR Src = {NETTYPE_IPV4, {0, 0, 0, 0}, Port};
	NETSOCKET Socket = net_udp_create(Src);

	int Id = 0;
	int Delaycounter = 0;

	while(true)
	{
		static int s_Lastcfg = 0;
		int n = ((time_get() / time_freq()) / g_ConfigInterval) % g_ConfigNumpingconfs;
		SPingConfig Ping = g_aConfigPings[n];

		if(n != s_Lastcfg)
			dbg_msg("crapnet", "cfg = %d", n);
		s_Lastcfg = n;

		// handle incoming packets
		while(true)
		{
			// fetch data
			int DataTrash = 0;
			NETADDR From;
			unsigned char *pData;
			int Bytes = net_udp_recv(Socket, &From, &pData);
			if(Bytes <= 0)
				break;

			if((rand() % 100) < Ping.m_Loss) // drop the packet
			{
				if(g_ConfigLog)
					dbg_msg("crapnet", "dropped packet");
				continue;
			}

			// create new packet
			SPacket *p = (SPacket *)malloc(sizeof(SPacket) + Bytes);

			if(net_addr_comp(&From, &Dest) == 0)
				p->m_SendTo = Src; // from the server
			else
			{
				Src = From; // from the client
				p->m_SendTo = Dest;
			}

			// queue packet
			p->m_pPrev = g_pLast;
			p->m_pNext = nullptr;
			if(g_pLast)
				g_pLast->m_pNext = p;
			else
			{
				g_pFirst = p;
				g_pLast = p;
			}
			g_pLast = p;