/*
* =================
* SV_ReadPackets
* =================
*/
void SV_ReadPackets(void)
{
int i;
client_t *cl;
int qport;
while (NET_GetPacket(NS_SERVER, &net_from, &net_message))
{
// check for connectionless packet (0xffffffff) first
if (*(int *)net_message.data == -1)
{
SV_ConnectionlessPacket();
continue;
}
// read the qport out of the message so we can fix up
// stupid address translating routers
MSG_BeginReading(&net_message);
MSG_ReadLong(&net_message); // sequence number
MSG_ReadLong(&net_message); // sequence number
qport = MSG_ReadShort(&net_message) & 0xffff;
// check for packets from connected clients
for (i = 0, cl = svs.clients; i < maxclients->value; i++, cl++)
{
if (cl->state == cs_free)
{
continue;
}
if (!NET_CompareBaseAdr(net_from, cl->netchan.remote_address))
{
continue;
}
if (cl->netchan.qport != qport)
{
continue;
}
if (cl->netchan.remote_address.port != net_from.port)
{
Com_Printf("SV_ReadPackets: fixing up a translated port\n");
cl->netchan.remote_address.port = net_from.port;
}
if (Netchan_Process(&cl->netchan, &net_message))
{ // this is a valid, sequenced packet, so process it
if (cl->state != cs_zombie)
{
cl->lastmessage = svs.realtime; // don't timeout
SV_ExecuteClientMessage(cl);
}
}
break;
}
if (i != maxclients->value)
{
continue;
}
}
}
/*
=================
SV_ReadPackets
=================
*/
void SV_PacketEvent( netadr_t from, msg_t *msg ) {
int i;
client_t *cl;
int qport;
// check for connectionless packet (0xffffffff) first
if ( msg->cursize >= 4 && *(int *)msg->data == -1) {
SV_ConnectionlessPacket( from, msg );
return;
}
// read the qport out of the message so we can fix up
// stupid address translating routers
MSG_BeginReading( msg );
MSG_ReadLong( msg ); // sequence number
MSG_ReadLong( msg ); // sequence number
qport = MSG_ReadShort( msg ) & 0xffff;
// find which client the message is from
for (i=0, cl=svs.clients ; i < 1 ; i++,cl++) {
if (cl->state == CS_FREE) {
continue;
}
if ( !NET_CompareBaseAdr( from, cl->netchan.remoteAddress ) ) {
continue;
}
// it is possible to have multiple clients from a single IP
// address, so they are differentiated by the qport variable
if (cl->netchan.qport != qport) {
continue;
}
// the IP port can't be used to differentiate them, because
// some address translating routers periodically change UDP
// port assignments
if (cl->netchan.remoteAddress.port != from.port) {
Com_Printf( "SV_ReadPackets: fixing up a translated port\n" );
cl->netchan.remoteAddress.port = from.port;
}
// make sure it is a valid, in sequence packet
if (Netchan_Process(&cl->netchan, msg)) {
// zombie clients stil neet to do the Netchan_Process
// to make sure they don't need to retransmit the final
// reliable message, but they don't do any other processing
if (cl->state != CS_ZOMBIE) {
cl->lastPacketTime = sv.time; // don't timeout
cl->frames[ cl->netchan.incomingAcknowledged & PACKET_MASK ]
.messageAcked = sv.time;
SV_ExecuteClientMessage( cl, msg );
}
}
return;
}
// if we received a sequenced packet from an address we don't reckognize,
// send an out of band disconnect packet to it
NET_OutOfBandPrint( NS_SERVER, from, "disconnect" );
}
void SV_ReadPackets()
{
guard(SV_ReadPackets);
while (NET_GetPacket(NS_SERVER, &net_from, &net_message))
{
// check for connectionless packet (0xffffffff) first
if (*(int *)net_message.data == -1)
{
SV_ConnectionlessPacket();
continue;
}
// read the qport out of the message so we can fix up
// stupid address translating routers
net_message.BeginReading();
MSG_ReadLong(&net_message); // sequence number
MSG_ReadLong(&net_message); // sequence number
int qport = MSG_ReadShort(&net_message) & 0xFFFF;
// check for packets from connected clients
int i;
client_t *cl;
for (i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++)
{
if (cl->state == cs_free)
continue;
// compare address: ignore network port, but use qport
if (!NET_CompareBaseAdr(&net_from, &cl->netchan.remote_address))
continue;
if (cl->netchan.port != qport)
continue;
// found a client
if (cl->netchan.remote_address.port != net_from.port)
{
appWPrintf("SV_ReadPackets: fixing up a translated port\n");
cl->netchan.remote_address.port = net_from.port;
}
if (cl->netchan.Process(&net_message))
{ // this is a valid, sequenced packet, so process it
if (cl->state != cs_zombie)
{
cl->lastmessage = svs.realtime; // don't timeout
SV_ExecuteClientMessage(cl);
}
}
break;
}
// if (i != sv_maxclients->integer) continue;
}
unguard;
}
/**
* @sa CL_ReadPacket
* @sa NET_ReadMsg
* @sa SV_Start
*/
void SV_ReadPacket (struct net_stream *s)
{
client_t *cl = (client_t *)NET_StreamGetData(s);
struct dbuffer *msg;
while ((msg = NET_ReadMsg(s))) {
const int cmd = NET_ReadByte(msg);
if (cmd == clc_oob)
SV_ConnectionlessPacket(s, msg);
else if (cl)
SV_ExecuteClientMessage(cl, cmd, msg);
else
NET_StreamFree(s);
free_dbuffer(msg);
}
}
/*
=================
SV_ReadPackets
=================
*/
static void SV_ReadPackets (void)
{
int i;
client_t *cl;
while (NET_GetPacket ())
{
if (SV_FilterPacket ())
{
SV_SendBan (); // tell them we aren't listening...
continue;
}
// check for connectionless packet (0xffffffff) first
if (*(int *)net_message.data == -1)
{
SV_ConnectionlessPacket ();
continue;
}
// check for packets from connected clients
for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++)
{
if (cl->state == cs_free)
continue;
if (!NET_CompareAdr (net_from, cl->netchan.remote_address))
continue;
if (Netchan_Process(&cl->netchan))
{ // this is a valid, sequenced packet, so process it
svs.stats.packets++;
cl->send_message = true; // reply at end of frame
if (cl->state != cs_zombie)
SV_ExecuteClientMessage (cl);
}
break;
}
if (i != MAX_CLIENTS)
continue;
// packet is not from a known client
// Con_Printf ("%s:sequenced packet without connection\n", NET_AdrToString(net_from));
}
}
/**
* @sa CL_ReadPacket
* @sa NET_ReadMsg
* @sa SV_Start
*/
void SV_ReadPacket (struct net_stream *s)
{
client_t *cl = static_cast<client_t *>(NET_StreamGetData(s));
dbuffer *msg;
while ((msg = NET_ReadMsg(s))) {
const int cmd = NET_ReadByte(msg);
if (cmd == clc_oob)
SV_ConnectionlessPacket(s, msg);
else if (cl)
SV_ExecuteClientMessage(cl, cmd, msg);
else {
NET_StreamFree(s);
s = NULL;
}
delete msg;
}
}
/*
=================
SV_ReadPackets
=================
*/
void SV_ReadPackets (void)
{
int i;
client_t *cl;
int qport;
// first deal with delayed packets from connected clients
for (i = 0, cl=svs.clients; i < MAX_CLIENTS; i++, cl++) {
if (cl->state == cs_free)
continue;
net_from = cl->netchan.remote_address;
while (cl->packets && svs.realtime - cl->packets->time >= cl->delay) {
SZ_Clear(&net_message);
SZ_Write(&net_message, cl->packets->msg.data, cl->packets->msg.cursize);
SV_ExecuteClientMessage(cl);
SV_FreeHeadDelayedPacket(cl);
}
}
// now deal with new packets
while (NET_GetPacket(NS_SERVER))
{
if (SV_FilterPacket ())
{
SV_SendBan (); // tell them we aren't listening...
continue;
}
// check for connectionless packet (0xffffffff) first
if (*(int *)net_message.data == -1)
{
SV_ConnectionlessPacket ();
continue;
}
// read the qport out of the message so we can fix up
// stupid address translating routers
MSG_BeginReading ();
MSG_ReadLong (); // sequence number
MSG_ReadLong (); // sequence number
qport = MSG_ReadShort () & 0xffff;
// check which client sent this packet
for (i=0, cl=svs.clients ; i<MAX_CLIENTS ; i++,cl++)
{
if (cl->state == cs_free)
continue;
if (!NET_CompareBaseAdr (net_from, cl->netchan.remote_address))
continue;
if (cl->netchan.qport != qport)
continue;
if (cl->netchan.remote_address.port != net_from.port)
{
Com_DPrintf ("SV_ReadPackets: fixing up a translated port\n");
cl->netchan.remote_address.port = net_from.port;
}
break;
}
if (i == MAX_CLIENTS)
continue;
// ok, we know who sent this packet, but do we need to delay executing it?
if (cl->delay > 0) {
if (!svs.free_packets) // packet has to be dropped..
break;
// insert at end of list
if (!cl->packets) {
cl->last_packet = cl->packets = svs.free_packets;
} else {
// this works because '=' associates from right to left
cl->last_packet = cl->last_packet->next = svs.free_packets;
}
svs.free_packets = svs.free_packets->next;
cl->last_packet->next = NULL;
cl->last_packet->time = svs.realtime;
SZ_Clear(&cl->last_packet->msg);
SZ_Write(&cl->last_packet->msg, net_message.data, net_message.cursize);
} else {
SV_ExecuteClientMessage (cl);
}
}
}
/*
=================
SV_ReadPackets
=================
*/
void SV_PacketEvent( netadr_t from, msg_t *msg ) {
int i;
client_t *cl;
int qport;
// check for connectionless packet (0xffffffff) first
if ( msg->cursize >= 4 && *(int *)msg->data == -1) {
SV_ConnectionlessPacket( from, msg );
return;
}
// Broadcast packets should never be treated as sequenced packets!
// Don't even bother telling them to go away. It's not our game!
// if ( broadcast )
// return;
// read the qport out of the message so we can fix up
// stupid address translating routers
MSG_BeginReadingOOB( msg );
MSG_ReadLong( msg ); // sequence number
qport = MSG_ReadShort( msg ) & 0xffff;
// find which client the message is from
for (i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++) {
#ifdef _XBOX
ClientManager::ActivateClient(i);
#endif
if (cl->state == CS_FREE) {
continue;
}
if ( !NET_CompareBaseAdr( from, cl->netchan.remoteAddress ) ) {
continue;
}
// it is possible to have multiple clients from a single IP
// address, so they are differentiated by the qport variable
if (cl->netchan.qport != qport) {
continue;
}
// the IP port can't be used to differentiate them, because
// some address translating routers periodically change UDP
// port assignments
if (cl->netchan.remoteAddress.port != from.port) {
Com_Printf( "SV_ReadPackets: fixing up a translated port\n" );
cl->netchan.remoteAddress.port = from.port;
}
// make sure it is a valid, in sequence packet
if (SV_Netchan_Process(cl, msg)) {
// zombie clients still need to do the Netchan_Process
// to make sure they don't need to retransmit the final
// reliable message, but they don't do any other processing
if (cl->state != CS_ZOMBIE) {
cl->lastPacketTime = svs.time; // don't timeout
SV_ExecuteClientMessage( cl, msg );
}
}
return;
}
// if we received a sequenced packet from an address we don't reckognize,
// send an out of band disconnect packet to it
NET_OutOfBandPrint( NS_SERVER, from, "disconnect" );
}
/*
=================
SV_ReadPackets
=================
*/
void SV_ReadPackets( void )
{
sv_client_t *cl;
int i, qport, curSize;
while( NET_GetPacket( NS_SERVER, &net_from, net_message_buffer, &curSize ))
{
BF_Init( &net_message, "ClientPacket", net_message_buffer, curSize );
// check for connectionless packet (0xffffffff) first
if( BF_GetMaxBytes( &net_message ) >= 4 && *(int *)net_message.pData == -1 )
{
SV_ConnectionlessPacket( net_from, &net_message );
continue;
}
// read the qport out of the message so we can fix up
// stupid address translating routers
BF_Clear( &net_message );
BF_ReadLong( &net_message ); // sequence number
BF_ReadLong( &net_message ); // sequence number
qport = (int)BF_ReadShort( &net_message ) & 0xffff;
// check for packets from connected clients
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
{
if( cl->state == cs_free || cl->fakeclient )
continue;
if( !NET_CompareBaseAdr( net_from, cl->netchan.remote_address ))
continue;
if( cl->netchan.qport != qport )
continue;
if( cl->netchan.remote_address.port != net_from.port )
{
MsgDev( D_INFO, "SV_ReadPackets: fixing up a translated port\n");
cl->netchan.remote_address.port = net_from.port;
}
if( Netchan_Process( &cl->netchan, &net_message ))
{
cl->send_message = true; // reply at end of frame
// this is a valid, sequenced packet, so process it
if( cl->state != cs_zombie )
{
cl->lastmessage = host.realtime; // don't timeout
SV_ExecuteClientMessage( cl, &net_message );
svgame.globals->frametime = host.frametime;
svgame.globals->time = sv.time;
}
}
// fragmentation/reassembly sending takes priority over all game messages, want this in the future?
if( Netchan_IncomingReady( &cl->netchan ))
{
if( Netchan_CopyNormalFragments( &cl->netchan, &net_message ))
{
BF_Clear( &net_message );
SV_ExecuteClientMessage( cl, &net_message );
}
if( Netchan_CopyFileFragments( &cl->netchan, &net_message ))
{
SV_ProcessFile( cl, cl->netchan.incomingfilename );
}
}
break;
}
if( i != sv_maxclients->integer )
continue;
}
}
