/*
* SV_ReadPackets
*/
static void SV_ReadPackets( void )
{
int i, socketind, ret;
client_t *cl;
#ifdef TCP_SUPPORT
socket_t newsocket;
netadr_t mmserver;
#endif
int game_port;
socket_t *socket;
netadr_t address;
static msg_t msg;
static qbyte msgData[MAX_MSGLEN];
socket_t* sockets [] =
{
&svs.socket_loopback,
&svs.socket_udp,
&svs.socket_udp6,
};
#ifdef TCP_SUPPORT
if( SV_MM_Initialized() )
SV_MM_NetAddress( &mmserver );
if( svs.socket_tcp.open )
{
while( qtrue )
{
// find a free slot
for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
{
if( !svs.incoming[i].active )
break;
}
if( i == MAX_INCOMING_CONNECTIONS )
break;
if( ( ret = NET_Accept( &svs.socket_tcp, &newsocket, &address ) ) == 0 )
break;
if( ret == -1 )
{
Com_Printf( "NET_Accept: Error: %s\n", NET_ErrorString() );
continue;
}
Com_Printf( "New TCP connection from %s\n", NET_AddressToString( &address ) );
svs.incoming[i].active = qtrue;
svs.incoming[i].socket = newsocket;
svs.incoming[i].address = address;
svs.incoming[i].time = svs.realtime;
}
}
for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
{
if( !svs.incoming[i].active )
continue;
ret = NET_GetPacket( &svs.incoming[i].socket, &address, &msg );
if( ret == -1 )
{
Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
NET_CloseSocket( &svs.incoming[i].socket );
svs.incoming[i].active = qfalse;
}
else if( ret == 1 )
{
if( SV_MM_Initialized() && NET_CompareBaseAddress( &mmserver, &address ) )
{
Com_DPrintf( "TCP packet from matchmaker\n" );
SV_MM_SetConnection( &svs.incoming[i] );
SV_MM_Packet( &msg );
SV_MM_SetConnection( NULL );
continue;
}
if( *(int *)msg.data != -1 )
{
Com_Printf( "Sequence packet without connection\n" );
NET_CloseSocket( &svs.incoming[i].socket );
svs.incoming[i].active = qfalse;
continue;
}
Com_Printf( "Connectionless TCP packet from: %s\n", NET_AddressToString( &address ) );
SV_ConnectionlessPacket( &svs.incoming[i].socket, &address, &msg );
}
}
#endif
MSG_Init( &msg, msgData, sizeof( msgData ) );
for( socketind = 0; socketind < sizeof( sockets ) / sizeof( sockets[0] ); socketind++ )
{
socket = sockets[socketind];
if( !socket->open )
continue;
while( ( ret = NET_GetPacket( socket, &address, &msg ) ) != 0 )
{
if( ret == -1 )
{
Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
continue;
}
// check for connectionless packet (0xffffffff) first
if( *(int *)msg.data == -1 )
{
SV_ConnectionlessPacket( socket, &address, &msg );
continue;
}
// read the game port 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
game_port = MSG_ReadShort( &msg ) & 0xffff;
// data follows
// check for packets from connected clients
for( i = 0, cl = svs.clients; i < sv_maxclients->integer; i++, cl++ )
{
unsigned short addr_port;
if( cl->state == CS_FREE || cl->state == CS_ZOMBIE )
continue;
if( cl->edict && ( cl->edict->r.svflags & SVF_FAKECLIENT ) )
continue;
if( !NET_CompareBaseAddress( &address, &cl->netchan.remoteAddress ) )
continue;
if( cl->netchan.game_port != game_port )
continue;
addr_port = NET_GetAddressPort( &address );
if( NET_GetAddressPort( &cl->netchan.remoteAddress ) != addr_port )
{
Com_Printf( "SV_ReadPackets: fixing up a translated port\n" );
NET_SetAddressPort( &cl->netchan.remoteAddress, addr_port );
}
if( SV_ProcessPacket( &cl->netchan, &msg ) ) // this is a valid, sequenced packet, so process it
{
cl->lastPacketReceivedTime = svs.realtime;
SV_ParseClientMessage( cl, &msg );
}
break;
}
}
}
// handle clients with individual sockets
for( i = 0; i < sv_maxclients->integer; i++ )
{
cl = &svs.clients[i];
if( cl->state == CS_ZOMBIE || cl->state == CS_FREE )
continue;
if( !cl->individual_socket )
continue;
// not while, we only handle one packet per client at a time here
if( ( ret = NET_GetPacket( cl->netchan.socket, &address, &msg ) ) != 0 )
{
if( ret == -1 )
{
Com_Printf( "Error receiving packet from %s: %s\n", NET_AddressToString( &cl->netchan.remoteAddress ),
NET_ErrorString() );
if( cl->reliable )
SV_DropClient( cl, DROP_TYPE_GENERAL, "Error receiving packet: %s", NET_ErrorString() );
}
else
{
if( SV_ProcessPacket( &cl->netchan, &msg ) )
{
// this is a valid, sequenced packet, so process it
cl->lastPacketReceivedTime = svs.realtime;
SV_ParseClientMessage( cl, &msg );
}
}
}
}
}
/*
* TV_Downstream_ReadPackets
*/
void TV_Downstream_ReadPackets( void )
{
int i, socketind, ret, game_port;
client_t *cl;
#ifdef TCP_SUPPORT
socket_t newsocket;
#endif
socket_t *socket;
netadr_t address;
msg_t msg;
qbyte msgData[MAX_MSGLEN];
socket_t* sockets [] =
{
&tvs.socket_udp,
&tvs.socket_udp6,
};
#ifdef TCP_SUPPORT
if( tvs.socket_tcp.open )
{
while( qtrue )
{
// find a free slot
for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
{
if( !tvs.incoming[i].active )
break;
}
if( i == MAX_INCOMING_CONNECTIONS )
break;
if( ( ret = NET_Accept( &tvs.socket_tcp, &newsocket, &address ) ) == 0 )
break;
if( ret == -1 )
{
Com_Printf( "NET_Accept: Error: %s\n", NET_ErrorString() );
continue;
}
tvs.incoming[i].active = qtrue;
tvs.incoming[i].socket = newsocket;
tvs.incoming[i].address = address;
tvs.incoming[i].time = tvs.realtime;
}
}
for( i = 0; i < MAX_INCOMING_CONNECTIONS; i++ )
{
if( !tvs.incoming[i].active )
continue;
ret = NET_GetPacket( &tvs.incoming[i].socket, &address, &msg );
if( ret == -1 )
{
NET_CloseSocket( &tvs.incoming[i].socket );
tvs.incoming[i].active = qfalse;
}
else if( ret == 1 )
{
if( *(int *)msg.data != -1 )
{ // sequence packet without upstreams
NET_CloseSocket( &tvs.incoming[i].socket );
tvs.incoming[i].active = qfalse;
continue;
}
TV_Downstream_UpstreamlessPacket( &tvs.incoming[i].socket, &address, &msg );
}
}
#endif
MSG_Init( &msg, msgData, sizeof( msgData ) );
for( socketind = 0; socketind < sizeof( sockets ) / sizeof( sockets[0] ); socketind++ )
{
socket = sockets[socketind];
while( socket->open && ( ret = NET_GetPacket( socket, &address, &msg ) ) != 0 )
{
if( ret == -1 )
{
Com_Printf( "NET_GetPacket: Error: %s\n", NET_ErrorString() );
continue;
}
// check for upstreamless packet (0xffffffff) first
if( *(int *)msg.data == -1 )
{
TV_Downstream_UpstreamlessPacket( socket, &address, &msg );
continue;
}
// read the game port 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
game_port = MSG_ReadShort( &msg ) & 0xffff;
// data follows
// check for packets from connected clients
for( i = 0, cl = tvs.clients; i < tv_maxclients->integer; i++, cl++ )
{
unsigned short remoteaddr_port, addr_port;
if( cl->state == CS_FREE || cl->state == CS_ZOMBIE )
continue;
if( !NET_CompareBaseAddress( &address, &cl->netchan.remoteAddress ) )
continue;
if( cl->netchan.game_port != game_port )
continue;
remoteaddr_port = NET_GetAddressPort( &cl->netchan.remoteAddress );
addr_port = NET_GetAddressPort( &address );
if( remoteaddr_port != addr_port )
{
Com_DPrintf( "%s" S_COLOR_WHITE ": Fixing up a translated port from %i to %i\n", cl->name,
remoteaddr_port, addr_port );
NET_SetAddressPort( &cl->netchan.remoteAddress, addr_port );
}
if( TV_Downstream_ProcessPacket( &cl->netchan, &msg ) )
{ // this is a valid, sequenced packet, so process it
cl->lastPacketReceivedTime = tvs.realtime;
TV_Downstream_ParseClientMessage( cl, &msg );
}
break;
}
}
}
// handle clients with individual sockets
for( i = 0; i < tv_maxclients->integer; i++ )
{
cl = &tvs.clients[i];
if( cl->state == CS_ZOMBIE || cl->state == CS_FREE )
continue;
if( !cl->individual_socket )
continue;
// not while, we only handle one packet per client at a time here
if( ( ret = NET_GetPacket( cl->netchan.socket, &address, &msg ) ) != 0 )
{
if( ret == -1 )
{
Com_Printf( "%s" S_COLOR_WHITE ": Error receiving packet: %s\n", cl->name, NET_ErrorString() );
if( cl->reliable )
TV_Downstream_DropClient( cl, DROP_TYPE_GENERAL, "Error receiving packet: %s", NET_ErrorString() );
}
else
{
if( *(int *)msg.data == -1 )
{
TV_Downstream_UpstreamlessPacket( cl->netchan.socket, &address, &msg );
}
else
{
if( TV_Downstream_ProcessPacket( &cl->netchan, &msg ) )
{
cl->lastPacketReceivedTime = tvs.realtime;
TV_Downstream_ParseClientMessage( cl, &msg );
}
}
}
}
}
}
