/*
* CL_MasterAddressCache_Init
*/
static void CL_MasterAddressCache_Init( void )
{
char *master;
const char *mlist;
serverlist_masters_head = NULL;
Trie_Create( TRIE_CASE_INSENSITIVE, &serverlist_masters_trie );
// synchronous DNS queries cause interruption of sounds, background music, etc
// so precache results of resolution queries for all master servers
mlist = Cvar_String( "masterservers" );
while( mlist )
{
master = COM_Parse( &mlist );
if( !*master )
break;
CL_ResolveMasterAddress( master, NULL );
}
}
/*
* CL_MasterResolverThreadEntry
*/
static void *CL_MasterResolverThreadEntry( void *pmlist )
{
CL_ResolveMasterAddress( ( char * )pmlist );
free( pmlist );
return NULL;
}
/*
* CL_GetServers_f
*/
void CL_GetServers_f( void )
{
netadr_t adr;
char *requeststring;
int i;
char *modname, *master;
filter_allow_full = qfalse;
filter_allow_empty = qfalse;
for( i = 2; i < Cmd_Argc(); i++ )
{
if( !Q_stricmp( "full", Cmd_Argv( i ) ) )
filter_allow_full = qtrue;
if( !Q_stricmp( "empty", Cmd_Argv( i ) ) )
filter_allow_empty = qtrue;
}
if( !Q_stricmp( Cmd_Argv( 1 ), "local" ) )
{
if( localQueryTimeStamp + LAN_SERVER_PINGING_TIMEOUT > Sys_Milliseconds() ) {
return;
}
localQueryTimeStamp = Sys_Milliseconds();
// send a broadcast packet
Com_Printf( "pinging broadcast...\n" );
// erm... modname isn't sent in local queries?
requeststring = va( "info %i %s %s", SERVERBROWSER_PROTOCOL_VERSION,
filter_allow_full ? "full" : "",
filter_allow_empty ? "empty" : "" );
for( i = 0; i < NUM_BROADCAST_PORTS; i++ )
{
NET_BroadcastAddress( &adr, PORT_SERVER + i );
Netchan_OutOfBandPrint( &cls.socket_udp, &adr, requeststring );
}
return;
}
//get what master
master = Cmd_Argv( 2 );
if( !master || !( *master ) )
return;
modname = Cmd_Argv( 3 );
// never allow anyone to use DEFAULT_BASEGAME as mod name
if( !modname || !modname[0] || !Q_stricmp( modname, DEFAULT_BASEGAME ) )
modname = APPLICATION;
assert( modname[0] );
// fetch from cache or query DNS server
CL_ResolveMasterAddress( master, &adr );
if( adr.type == NA_IP || adr.type == NA_IP6 )
{
const char *cmdname;
socket_t *socket;
if ( adr.type == NA_IP )
{
cmdname = "getservers";
socket = &cls.socket_udp;
}
else
{
cmdname = "getserversExt";
socket = &cls.socket_udp6;
}
// create the message
requeststring = va( "%s %c%s %i %s %s", cmdname, toupper( modname[0] ), modname+1, SERVERBROWSER_PROTOCOL_VERSION,
filter_allow_full ? "full" : "",
filter_allow_empty ? "empty" : "" );
if( NET_GetAddressPort( &adr ) == 0 )
NET_SetAddressPort( &adr, PORT_MASTER );
Netchan_OutOfBandPrint( socket, &adr, requeststring );
Com_DPrintf( "quering %s...%s: %s\n", master, NET_AddressToString( &adr), requeststring );
}
else
{
Com_Printf( "Bad address: %s\n", master );
}
}
