// remove a node, clear all ack from this node and reset askret
void Net_CloseConnection(INT32 node)
{
INT32 i;
boolean forceclose = (node & FORCECLOSE) != 0;
node &= ~FORCECLOSE;
if (!node)
return;
nodes[node].flags |= CLOSE;
// try to Send ack back (two army problem)
if (GetAcktosend(node))
{
Net_SendAcks(node);
Net_SendAcks(node);
}
// check if we are waiting for an ack from this node
for (i = 0; i < MAXACKPACKETS; i++)
if (ackpak[i].acknum && ackpak[i].destinationnode == node)
{
if (!forceclose)
return; // connection will be closed when ack is returned
else
ackpak[i].acknum = 0;
}
InitNode(node);
AbortSendFiles(node);
I_NetFreeNodenum(node);
}
//
// HSendPacket
//
boolean HSendPacket(INT32 node, boolean reliable, UINT8 acknum, size_t packetlength)
{
doomcom->datalength = (INT16)(packetlength + BASEPACKETSIZE);
if (node == 0) // packet is to go back to us
{
if ((rebound_head+1) % MAXREBOUND == rebound_tail)
{
#ifdef PARANOIA
CONS_Debug(DBG_NETPLAY, "No more rebound buf\n");
#endif
return false;
}
M_Memcpy(&reboundstore[rebound_head], netbuffer,
doomcom->datalength);
reboundsize[rebound_head] = doomcom->datalength;
rebound_head = (rebound_head+1) % MAXREBOUND;
#ifdef DEBUGFILE
if (debugfile)
{
doomcom->remotenode = (INT16)node;
DebugPrintpacket("SENDLOCAL");
}
#endif
return true;
}
if (!netgame)
I_Error("Tried to transmit to another node");
#ifdef NONET
(void)node;
(void)reliable;
(void)acknum;
#else
// do this before GetFreeAcknum because this function backup
// the current packet
doomcom->remotenode = (INT16)node;
if (doomcom->datalength <= 0)
{
DEBFILE("HSendPacket: nothing to send\n");
#ifdef DEBUGFILE
if (debugfile)
DebugPrintpacket("TRISEND");
#endif
return false;
}
if (node < MAXNETNODES) // can be a broadcast
netbuffer->ackreturn = GetAcktosend(node);
else
netbuffer->ackreturn = 0;
if (reliable)
{
if (I_NetCanSend && !I_NetCanSend())
{
if (netbuffer->packettype < PT_CANFAIL)
GetFreeAcknum(&netbuffer->ack, true);
DEBFILE("HSendPacket: Out of bandwidth\n");
return false;
}
else if (!GetFreeAcknum(&netbuffer->ack, false))
return false;
}
else
netbuffer->ack = acknum;
netbuffer->checksum = NetbufferChecksum();
sendbytes += packetheaderlength + doomcom->datalength; // for stat
// simulate internet :)
if (true || rand()<(INT32)RAND_MAX/5)
{
#ifdef DEBUGFILE
if (debugfile)
DebugPrintpacket("SEND");
#endif
I_NetSend();
}
#ifdef DEBUGFILE
else if (debugfile)
DebugPrintpacket("NOTSEND");
#endif
#endif // ndef NONET
return true;
}
