]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - netconn.c
merged q1bsp and q3bsp surface rendering
[xonotic/darkplaces.git] / netconn.c
index e3fe3123a17369ce93d596ff566e8c3e24db504d..3ec5d28f6f2ad88c6160168855dd6f4215e518ad 100755 (executable)
--- a/netconn.c
+++ b/netconn.c
@@ -25,7 +25,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 #define MASTER_PORT 27950
 
-cvar_t sv_public = {0, "sv_public", "0"};
+cvar_t sv_public = {0, "sv_public", "1"};
 static cvar_t sv_heartbeatperiod = {CVAR_SAVE, "sv_heartbeatperiod", "180"};
 
 // FIXME: resolve DNS on masters whenever their value changes and cache it (to avoid major delays in active servers when they heartbeat)
@@ -37,6 +37,7 @@ static cvar_t sv_masters [] =
        {CVAR_SAVE, "sv_master4", ""},
        {0, "sv_masterextra1", "69.59.212.88"}, // ghdigital.com
        {0, "sv_masterextra2", "66.169.205.13"}, // dpmaster.deathmask.net
+       {0, "sv_masterextra3", "12.166.196.192"}, // blaze.mindphukd.org
        {0, NULL, NULL}
 };
 
@@ -72,9 +73,6 @@ int masterreplycount = 0;
 int serverquerycount = 0;
 int serverreplycount = 0;
 
-int hostCacheCount = 0;
-hostcache_t hostcache[HOSTCACHESIZE];
-
 static qbyte sendbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
 static qbyte readbuffer[NET_HEADERSIZE+NET_MAXMESSAGE];
 
@@ -91,15 +89,254 @@ cvar_t sv_netport = {0, "port", "26000"};
 cvar_t net_address = {0, "net_address", "0.0.0.0"};
 //cvar_t net_netaddress_ipv6 = {0, "net_address_ipv6", "[0:0:0:0:0:0:0:0]"};
 
+// HostCache interface
+hostcache_mask_t                       hostcache_andmasks[HOSTCACHE_ANDMASKCOUNT];
+hostcache_mask_t                       hostcache_ormasks[HOSTCACHE_ORMASKCOUNT];
+
+hostcache_infofield_t  hostcache_sortbyfield;
+qboolean                               hostcache_sortdescending;
+
+int                    hostcache_viewcount = 0;
+hostcache_t    *hostcache_viewset[HOSTCACHE_VIEWCACHESIZE];
+
+int                    hostcache_cachecount;
+hostcache_t hostcache_cache[HOSTCACHE_TOTALSIZE];
+
+qboolean       hostcache_consoleoutput;
+
+// helper function to insert a value into the viewset
+// spare entries will be removed
+static void _HostCache_ViewSet_InsertBefore( int index, hostcache_t *entry )
+{
+    int i;
+       if( ++hostcache_viewcount > HOSTCACHE_VIEWCACHESIZE )
+               hostcache_viewcount = HOSTCACHE_VIEWCACHESIZE;
+       for( i = hostcache_viewcount - 1; i > index; i-- )
+               hostcache_viewset[i] = hostcache_viewset[i - 1];
+       hostcache_viewset[index] = entry;
+}
+
+// we suppose hostcache_viewcount to be valid, ie > 0
+static void _HostCache_ViewSet_Remove( int index )
+{
+       for( --hostcache_viewcount; index < hostcache_viewcount; index++ )
+               hostcache_viewset[index] = hostcache_viewset[index + 1];
+}
+
+// returns true if A should be inserted before B
+static qboolean _HostCache_SortTest( hostcache_t *A, hostcache_t *B )
+{
+       int result = 0; // > 0 if for numbers A > B and for text if A < B
+
+       if( hostcache_sortbyfield == HCIF_PING )
+               result = A->info.ping - B->info.ping;
+       else if( hostcache_sortbyfield == HCIF_MAXPLAYERS )
+               result = A->info.maxplayers - B->info.maxplayers;
+       else if( hostcache_sortbyfield == HCIF_NUMPLAYERS )
+               result = A->info.numplayers - B->info.numplayers;
+       else if( hostcache_sortbyfield == HCIF_PROTOCOL )
+               result = A->info.protocol - B->info.protocol;
+       else if( hostcache_sortbyfield == HCIF_CNAME )
+               result = strcmp( B->info.cname, A->info.cname );
+       else if( hostcache_sortbyfield == HCIF_GAME )
+               result = strcmp( B->info.game, A->info.game );
+       else if( hostcache_sortbyfield == HCIF_MAP )
+               result = strcmp( B->info.map, A->info.map );
+       else if( hostcache_sortbyfield == HCIF_MOD )
+               result = strcmp( B->info.mod, A->info.mod );
+       else if( hostcache_sortbyfield == HCIF_NAME )
+               result = strcmp( B->info.name, A->info.name );
+
+       if( hostcache_sortdescending )
+               return result > 0;
+       return result < 0;
+}
+
+static qboolean _hc_testint( int A, hostcache_maskop_t op, int B )
+{
+       if( op == HCMO_LESS )
+               return A < B;
+       else if( op == HCMO_LESSEQUAL )
+               return A <= B;
+       else if( op == HCMO_EQUAL )
+               return A == B;
+       else if( op == HCMO_GREATER )
+               return A > B;
+       else if( op == HCMO_NOTEQUAL )
+               return A != B;
+       else // HCMO_GREATEREQUAL
+               return A >= B;
+}
+
+static qboolean _hc_teststr( const char *A, hostcache_maskop_t op, const char *B )
+{
+       if( op == HCMO_CONTAINS ) // A info B mask
+               return *B && !!strstr( A, B ); // we want a real bool
+       else if( op == HCMO_NOTCONTAIN )
+               return !*B || !strstr( A, B );
+       else if( op == HCMO_LESS )
+               return strcmp( A, B ) < 0;
+       else if( op == HCMO_LESSEQUAL )
+               return strcmp( A, B ) <= 0;
+       else if( op == HCMO_EQUAL )
+               return strcmp( A, B ) == 0;
+       else if( op == HCMO_GREATER )
+               return strcmp( A, B ) > 0;
+       else if( op == HCMO_NOTEQUAL )
+               return strcmp( A, B ) != 0;
+       else // HCMO_GREATEREQUAL
+               return strcmp( A, B ) >= 0;
+}
+
+static qboolean _HostCache_TestMask( hostcache_mask_t *mask, hostcache_info_t *info )
+{
+       if( !_hc_testint( info->ping, mask->tests[HCIF_PING], mask->info.ping ) )
+               return false;
+       if( !_hc_testint( info->maxplayers, mask->tests[HCIF_MAXPLAYERS], mask->info.maxplayers ) )
+               return false;
+       if( !_hc_testint( info->numplayers, mask->tests[HCIF_NUMPLAYERS], mask->info.numplayers ) )
+               return false;
+       if( !_hc_testint( info->protocol, mask->tests[HCIF_PROTOCOL], mask->info.protocol ))
+               return false;
+       if( *mask->info.cname
+               && !_hc_teststr( info->cname, mask->tests[HCIF_CNAME], mask->info.cname ) )
+               return false;
+       if( *mask->info.game
+               && !_hc_teststr( info->game, mask->tests[HCIF_GAME], mask->info.game ) )
+               return false;
+       if( *mask->info.mod
+               && !_hc_teststr( info->mod, mask->tests[HCIF_MOD], mask->info.mod ) )
+               return false;
+       if( *mask->info.map
+               && !_hc_teststr( info->map, mask->tests[HCIF_MAP], mask->info.map ) )
+               return false;
+       if( *mask->info.name
+               && !_hc_teststr( info->name, mask->tests[HCIF_NAME], mask->info.name ) )
+               return false;
+       return true;
+}
+
+static void _HostCache_Insert( hostcache_t *entry )
+{
+       int start, end, mid;
+       if( hostcache_viewcount == HOSTCACHE_VIEWCACHESIZE )
+               return;
+       // now check whether it passes through the masks mask
+       for( start = 0 ; hostcache_andmasks[start].active && start < HOSTCACHE_ANDMASKCOUNT ; start++ )
+               if( !_HostCache_TestMask( &hostcache_andmasks[start], &entry->info ) )
+                       return;
+
+       for( start = 0 ; hostcache_ormasks[start].active && start < HOSTCACHE_ORMASKCOUNT ; start++ )
+               if( _HostCache_TestMask( &hostcache_ormasks[start], &entry->info ) )
+                       break;
+       if( start == HOSTCACHE_ORMASKCOUNT || (start > 0 && !hostcache_ormasks[start].active) )
+               return;
+
+       if( !hostcache_viewcount ) {
+               _HostCache_ViewSet_InsertBefore( 0, entry );
+               return;
+       }
+       // ok, insert it, we just need to find out where exactly:
+
+       // two special cases
+       // check whether to insert it as new first item
+       if( _HostCache_SortTest( entry, hostcache_viewset[0] ) ) {
+               _HostCache_ViewSet_InsertBefore( 0, entry );
+               return;
+       } // check whether to insert it as new last item
+       else if( !_HostCache_SortTest( entry, hostcache_viewset[hostcache_viewcount - 1] ) ) {
+               _HostCache_ViewSet_InsertBefore( hostcache_viewcount, entry );
+               return;
+       }
+       start = 0;
+       end = hostcache_viewcount - 1;
+       while( end > start + 1 )
+       {
+               mid = (start + end) / 2;
+               // test the item that lies in the middle between start and end
+               if( _HostCache_SortTest( entry, hostcache_viewset[mid] ) )
+                       // the item has to be in the upper half
+                       end = mid;
+               else
+                       // the item has to be in the lower half
+                       start = mid;
+       }
+       _HostCache_ViewSet_InsertBefore( start + 1, entry );
+}
+
+static void _HostCache_Remove( hostcache_t *entry )
+{
+       int i;
+       for( i = 0; i < hostcache_viewcount; i++ )
+       {
+               if (hostcache_viewset[i] == entry)
+               {
+                       _HostCache_ViewSet_Remove(i);
+                       break;
+               }
+       }
+}
+
+void HostCache_RebuildViewSet(void)
+{
+       int i;
+
+       hostcache_viewcount = 0;
+       for( i = 0 ; i < hostcache_cachecount ; i++ )
+               if( hostcache_cache[i].finished )
+                       _HostCache_Insert( &hostcache_cache[i] );
+}
+
+void HostCache_ResetMasks(void)
+{
+       memset( &hostcache_andmasks, 0, sizeof( hostcache_andmasks ) );
+       memset( &hostcache_ormasks, 0, sizeof( hostcache_ormasks ) );
+}
+
+#if 0
+static void _HostCache_Test(void)
+{
+       int i;
+       for( i = 0 ; i < 1024 ; i++ ) {
+               memset( &hostcache_cache[hostcache_cachecount], 0, sizeof( hostcache_t ) );
+               hostcache_cache[hostcache_cachecount].info.ping = rand() % 450 + 250;
+               dpsnprintf( hostcache_cache[hostcache_cachecount].info.name, 128, "Black's HostCache Test %i", i );
+               hostcache_cache[hostcache_cachecount].finished = true;
+               sprintf( hostcache_cache[hostcache_cachecount].line1, "%i %s", hostcache_cache[hostcache_cachecount].info.ping, hostcache_cache[hostcache_cachecount].info.name );
+               _HostCache_Insert( &hostcache_cache[hostcache_cachecount] );
+               hostcache_cachecount++;
+       }
+}
+#endif
+
+void HostCache_QueryList(void)
+{
+       masterquerytime = realtime;
+       masterquerycount = 0;
+       masterreplycount = 0;
+       serverquerycount = 0;
+       serverreplycount = 0;
+       hostcache_cachecount = 0;
+       hostcache_viewcount = 0;
+       hostcache_consoleoutput = false;
+       NetConn_QueryMasters();
+
+       //_HostCache_Test();
+}
+
+// rest
+
 int NetConn_Read(lhnetsocket_t *mysocket, void *data, int maxlength, lhnetaddress_t *peeraddress)
 {
        int length = LHNET_Read(mysocket, data, maxlength, peeraddress);
        int i;
+       if (length == 0)
+               return 0;
        if (cl_netpacketloss.integer)
                for (i = 0;i < cl_numsockets;i++)
                        if (cl_sockets[i] == mysocket && (rand() % 100) < cl_netpacketloss.integer)
                                return 0;
-       if (developer_networking.integer && length != 0)
+       if (developer_networking.integer)
        {
                char addressstring[128], addressstring2[128];
                LHNETADDRESS_ToString(LHNET_AddressFromSocket(mysocket), addressstring, sizeof(addressstring), true);
@@ -610,7 +847,6 @@ void NetConn_ConnectionEstablished(lhnetsocket_t *mysocket, lhnetaddress_t *peer
        cls.state = ca_connected;
        cls.signon = 0;                         // need all the signon messages before playing
        CL_ClearState();
-       SCR_BeginLoadingPlaque();
 }
 
 int NetConn_IsLocalGame(void)
@@ -620,13 +856,6 @@ int NetConn_IsLocalGame(void)
        return false;
 }
 
-static struct
-{
-       double senttime;
-       lhnetaddress_t peeraddress;
-}
-pingcache[HOSTCACHESIZE];
-
 int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length, lhnetaddress_t *peeraddress)
 {
        int ret, c, control;
@@ -680,135 +909,100 @@ int NetConn_ClientParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length,
                }
                if (length >= 13 && !memcmp(string, "infoResponse\x0A", 13))
                {
-                       int i, j, c, n, users, maxusers;
-                       char game[32], mod[32], map[32], name[128];
+                       hostcache_info_t *info;
+                       int i, n;
                        double pingtime;
-                       hostcache_t temp;
+
                        string += 13;
                        // hostcache only uses text addresses
                        LHNETADDRESS_ToString(peeraddress, cname, sizeof(cname), true);
-                       if ((s = SearchInfostring(string, "gamename"     )) != NULL) strlcpy(game, s, sizeof (game));else game[0] = 0;
-                       if ((s = SearchInfostring(string, "modname"      )) != NULL) strlcpy(mod , s, sizeof (mod ));else mod[0]  = 0;
-                       if ((s = SearchInfostring(string, "mapname"      )) != NULL) strlcpy(map , s, sizeof (map ));else map[0]  = 0;
-                       if ((s = SearchInfostring(string, "hostname"     )) != NULL) strlcpy(name, s, sizeof (name));else name[0] = 0;
-                       if ((s = SearchInfostring(string, "protocol"     )) != NULL) c = atoi(s);else c = -1;
-                       if ((s = SearchInfostring(string, "clients"      )) != NULL) users = atoi(s);else users = 0;
-                       if ((s = SearchInfostring(string, "sv_maxclients")) != NULL) maxusers = atoi(s);else maxusers = 0;
                        // search the cache for this server and update it
-                       for (n = 0; n < hostCacheCount; n++)
-                       {
-                               if (!strcmp(cname, hostcache[n].cname))
-                               {
-                                       if (hostcache[n].ping == 100000)
-                                               serverreplycount++;
-                                       pingtime = (int)((realtime - hostcache[n].querytime) * 1000.0);
-                                       pingtime = bound(0, pingtime, 9999);
-                                       // update the ping
-                                       hostcache[n].ping = pingtime;
-                                       // build description strings for the things users care about
-                                       snprintf(hostcache[n].line1, sizeof(hostcache[n].line1), "%5d%c%3u/%3u %-65.65s", (int)pingtime, c != NET_PROTOCOL_VERSION ? '*' : ' ', users, maxusers, name);
-                                       snprintf(hostcache[n].line2, sizeof(hostcache[n].line2), "%-21.21s %-19.19s %-17.17s %-20.20s", cname, game, mod, map);
-                                       // if ping is especially high, display it as such
-                                       if (pingtime >= 300)
-                                       {
-                                               // orange numbers (lower block)
-                                               for (i = 0;i < 5;i++)
-                                                       if (hostcache[n].line1[i] != ' ')
-                                                               hostcache[n].line1[i] += 128;
-                                       }
-                                       else if (pingtime >= 200)
-                                       {
-                                               // yellow numbers (in upper block)
-                                               for (i = 0;i < 5;i++)
-                                                       if (hostcache[n].line1[i] != ' ')
-                                                               hostcache[n].line1[i] -= 30;
-                                       }
-                                       // if not in the slist menu we should print the server to console
-                                       if (m_state != m_slist)
-                                               Con_Printf("%s\n%s\n", hostcache[n].line1, hostcache[n].line2);
-                                       // and finally, re-sort the list
-                                       for (i = 0;i < hostCacheCount;i++)
-                                       {
-                                               for (j = i + 1;j < hostCacheCount;j++)
-                                               {
-                                                       //if (strcmp(hostcache[j].name, hostcache[i].name) < 0)
-                                                       if (hostcache[i].ping > hostcache[j].ping)
-                                                       {
-                                                               memcpy(&temp, &hostcache[j], sizeof(hostcache_t));
-                                                               memcpy(&hostcache[j], &hostcache[i], sizeof(hostcache_t));
-                                                               memcpy(&hostcache[i], &temp, sizeof(hostcache_t));
-                                                       }
-                                               }
-                                       }
+                       for( n = 0; n < hostcache_cachecount; n++ )
+                               if( !strcmp( cname, hostcache_cache[n].info.cname ) )
                                        break;
-                               }
+                       if( n == hostcache_cachecount )
+                               return true;
+
+                       info = &hostcache_cache[n].info;
+                       if ((s = SearchInfostring(string, "gamename"     )) != NULL) strlcpy(info->game, s, sizeof (info->game));else info->game[0] = 0;
+                       if ((s = SearchInfostring(string, "modname"      )) != NULL) strlcpy(info->mod , s, sizeof (info->mod ));else info->mod[0]  = 0;
+                       if ((s = SearchInfostring(string, "mapname"      )) != NULL) strlcpy(info->map , s, sizeof (info->map ));else info->map[0]  = 0;
+                       if ((s = SearchInfostring(string, "hostname"     )) != NULL) strlcpy(info->name, s, sizeof (info->name));else info->name[0] = 0;
+                       if ((s = SearchInfostring(string, "protocol"     )) != NULL) info->protocol = atoi(s);else info->protocol = -1;
+                       if ((s = SearchInfostring(string, "clients"      )) != NULL) info->numplayers = atoi(s);else info->numplayers = 0;
+                       if ((s = SearchInfostring(string, "sv_maxclients")) != NULL) info->maxplayers = atoi(s);else info->maxplayers  = 0;
+
+                       if (info->ping == 100000)
+                                       serverreplycount++;
+
+                       pingtime = (int)((realtime - hostcache_cache[n].querytime) * 1000.0);
+                       pingtime = bound(0, pingtime, 9999);
+                       // update the ping
+                       info->ping = pingtime;
+
+                       // legacy/old stuff move it to the menu ASAP
+
+                       // build description strings for the things users care about
+                       dpsnprintf(hostcache_cache[n].line1, sizeof(hostcache_cache[n].line1), "%5d%c%3u/%3u %-65.65s", (int)pingtime, info->protocol != NET_PROTOCOL_VERSION ? '*' : ' ', info->numplayers, info->maxplayers, info->name);
+                       dpsnprintf(hostcache_cache[n].line2, sizeof(hostcache_cache[n].line2), "%-21.21s %-19.19s %-17.17s %-20.20s", info->cname, info->game, info->mod, info->map);
+                       // if ping is especially high, display it as such
+                       if (pingtime >= 300)
+                       {
+                               // orange numbers (lower block)
+                               for (i = 0;i < 5;i++)
+                                       if (hostcache_cache[n].line1[i] != ' ')
+                                               hostcache_cache[n].line1[i] += 128;
                        }
+                       else if (pingtime >= 200)
+                       {
+                               // yellow numbers (in upper block)
+                               for (i = 0;i < 5;i++)
+                                       if (hostcache_cache[n].line1[i] != ' ')
+                                               hostcache_cache[n].line1[i] -= 30;
+                       }
+                       // and finally, update the view set
+                       if( hostcache_cache[n].finished )
+                _HostCache_Remove( &hostcache_cache[n] );
+                       // else if not in the slist menu we should print the server to console (if wanted)
+                       else if( hostcache_consoleoutput )
+                               Con_Printf("%s\n%s\n", hostcache_cache[n].line1, hostcache_cache[n].line2);
+                       _HostCache_Insert( &hostcache_cache[n] );
+                       hostcache_cache[n].finished = true;
+
                        return true;
                }
-               if (!strncmp(string, "getserversResponse\\", 19) && hostCacheCount < HOSTCACHESIZE)
+               if (!strncmp(string, "getserversResponse\\", 19) && hostcache_cachecount < HOSTCACHE_TOTALSIZE)
                {
-                       int i, n, j;
-                       hostcache_t temp;
                        // Extract the IP addresses
                        data += 18;
                        length -= 18;
                        masterreplycount++;
-                       if (m_state != m_slist)
+                       if (hostcache_consoleoutput)
                                Con_Print("received server list...\n");
                        while (length >= 7 && data[0] == '\\' && (data[1] != 0xFF || data[2] != 0xFF || data[3] != 0xFF || data[4] != 0xFF) && data[5] * 256 + data[6] != 0)
                        {
-                               snprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[1], data[2], data[3], data[4], (data[5] << 8) | data[6]);
+                               serverquerycount++;
+
+                               dpsnprintf (ipstring, sizeof (ipstring), "%u.%u.%u.%u:%u", data[1], data[2], data[3], data[4], (data[5] << 8) | data[6]);
                                if (developer.integer)
                                        Con_Printf("Requesting info from server %s\n", ipstring);
+                               // ignore the rest of the message if the hostcache is full
+                               if( hostcache_cachecount == HOSTCACHE_TOTALSIZE )
+                                       break;
+
                                LHNETADDRESS_FromString(&svaddress, ipstring, 0);
                                NetConn_WriteString(mysocket, "\377\377\377\377getinfo", &svaddress);
 
-
-                               // add to slist (hostCache)
-                               // search the cache for this server
-                               for (n = 0; n < hostCacheCount; n++)
-                                       if (!strcmp(ipstring, hostcache[n].cname))
-                                               break;
-                               // add it or update it
-                               if (n == hostCacheCount)
-                               {
-                                       // if cache is full replace highest ping server (the list is
-                                       // kept sorted so this is always the last, and if this server
-                                       // is good it will be sorted into an early part of the list)
-                                       if (hostCacheCount >= HOSTCACHESIZE)
-                                               n = hostCacheCount - 1;
-                                       else
-                                       {
-                                               serverquerycount++;
-                                               hostCacheCount++;
-                                       }
-                               }
-                               memset(&hostcache[n], 0, sizeof(hostcache[n]));
+                               memset(&hostcache_cache[hostcache_cachecount], 0, sizeof(hostcache_cache[hostcache_cachecount]));
                                // store the data the engine cares about (address and ping)
-                               strlcpy (hostcache[n].cname, ipstring, sizeof (hostcache[n].cname));
-                               hostcache[n].ping = 100000;
-                               hostcache[n].querytime = realtime;
-                               // build description strings for the things users care about
-                               strlcpy (hostcache[n].line1, "?", sizeof (hostcache[n].line1));
-                               strlcpy (hostcache[n].line2, ipstring, sizeof (hostcache[n].line2));
+                               strlcpy (hostcache_cache[hostcache_cachecount].info.cname, ipstring, sizeof (hostcache_cache[hostcache_cachecount].info.cname));
+                               hostcache_cache[hostcache_cachecount].info.ping = 100000;
+                               hostcache_cache[hostcache_cachecount].querytime = realtime;
                                // if not in the slist menu we should print the server to console
-                               if (m_state != m_slist)
+                               if (hostcache_consoleoutput)
                                        Con_Printf("querying %s\n", ipstring);
-                               // and finally, re-sort the list
-                               for (i = 0;i < hostCacheCount;i++)
-                               {
-                                       for (j = i + 1;j < hostCacheCount;j++)
-                                       {
-                                               //if (strcmp(hostcache[j].name, hostcache[i].name) < 0)
-                                               if (hostcache[i].ping > hostcache[j].ping)
-                                               {
-                                                       memcpy(&temp, &hostcache[j], sizeof(hostcache_t));
-                                                       memcpy(&hostcache[j], &hostcache[i], sizeof(hostcache_t));
-                                                       memcpy(&hostcache[i], &temp, sizeof(hostcache_t));
-                                               }
-                                       }
-                               }
 
+                               ++hostcache_cachecount;
 
                                // move on to next address in packet
                                data += 7;
@@ -1125,13 +1319,13 @@ int NetConn_ServerParsePacket(lhnetsocket_t *mysocket, qbyte *data, int length,
                                for (i = 0, n = 0;i < svs.maxclients;i++)
                                        if (svs.clients[i].active)
                                                n++;
-                               responselength = snprintf(response, sizeof(response), "\377\377\377\377infoResponse\x0A"
+                               responselength = dpsnprintf(response, sizeof(response), "\377\377\377\377infoResponse\x0A"
                                                        "\\gamename\\%s\\modname\\%s\\sv_maxclients\\%d"
                                                        "\\clients\\%d\\mapname\\%s\\hostname\\%s\\protocol\\%d%s%s",
                                                        gamename, com_modname, svs.maxclients, n,
                                                        sv.name, hostname.string, NET_PROTOCOL_VERSION, challenge ? "\\challenge\\" : "", challenge ? challenge : "");
                                // does it fit in the buffer?
-                               if (responselength < (int)sizeof(response))
+                               if (responselength >= 0)
                                {
                                        if (developer.integer)
                                                Con_Printf("Sending reply to master %s - %s\n", addressstring2, response);
@@ -1393,20 +1587,22 @@ void NetConn_QueryMasters(void)
        int i;
        int masternum;
        lhnetaddress_t masteraddress;
+       lhnetaddress_t broadcastaddress;
        char request[256];
 
-       if (hostCacheCount >= HOSTCACHESIZE)
+       if (hostcache_cachecount >= HOSTCACHE_TOTALSIZE)
                return;
 
+       // 26000 is the default quake server port, servers on other ports will not
+       // be found
+       // note this is IPv4-only, I doubt there are IPv6-only LANs out there
+       LHNETADDRESS_FromString(&broadcastaddress, "255.255.255.255", 26000);
+
        for (i = 0;i < cl_numsockets;i++)
        {
                if (cl_sockets[i])
                {
-#if 0
-                       // search LAN
-#if 1
-                       UDP_Broadcast(UDP_controlSock, "\377\377\377\377getinfo", 11);
-#else
+                       // search LAN for Quake servers
                        SZ_Clear(&net_message);
                        // save space for the header, filled in later
                        MSG_WriteLong(&net_message, 0);
@@ -1414,13 +1610,14 @@ void NetConn_QueryMasters(void)
                        MSG_WriteString(&net_message, "QUAKE");
                        MSG_WriteByte(&net_message, NET_PROTOCOL_VERSION);
                        *((int *)net_message.data) = BigLong(NETFLAG_CTL | (net_message.cursize & NETFLAG_LENGTH_MASK));
-                       UDP_Broadcast(UDP_controlSock, net_message.data, net_message.cursize);
+                       NetConn_Write(cl_sockets[i], net_message.data, net_message.cursize, &broadcastaddress);
                        SZ_Clear(&net_message);
-#endif
-#endif
 
-                       // build the getservers
-                       snprintf(request, sizeof(request), "\377\377\377\377getservers %s %u empty full\x0A", gamename, NET_PROTOCOL_VERSION);
+                       // search LAN for DarkPlaces servers
+                       NetConn_WriteString(cl_sockets[i], "\377\377\377\377getinfo", &broadcastaddress);
+
+                       // build the getservers message to send to the master servers
+                       dpsnprintf(request, sizeof(request), "\377\377\377\377getservers %s %u empty full\x0A", gamename, NET_PROTOCOL_VERSION);
 
                        // search internet
                        for (masternum = 0;sv_masters[masternum].name;masternum++)
@@ -1540,18 +1737,16 @@ void Net_Stats_f(void)
 
 void Net_Slist_f(void)
 {
-       masterquerytime = realtime;
-       masterquerycount = 0;
-       masterreplycount = 0;
-       serverquerycount = 0;
-       serverreplycount = 0;
-       hostCacheCount = 0;
-       memset(&pingcache, 0, sizeof(pingcache));
-       if (m_state != m_slist)
+       HostCache_ResetMasks();
+       hostcache_sortbyfield = HCIF_PING;
+       hostcache_sortdescending = false;
+    if (m_state != m_slist) {
                Con_Print("Sending requests to master servers\n");
-       NetConn_QueryMasters();
-       if (m_state != m_slist)
+               HostCache_QueryList();
+               hostcache_consoleoutput = true;
                Con_Print("Listening for replies...\n");
+       } else
+               HostCache_QueryList();
 }
 
 void NetConn_Init(void)
@@ -1602,7 +1797,6 @@ void NetConn_Init(void)
        }
        cl_numsockets = 0;
        sv_numsockets = 0;
-       memset(&pingcache, 0, sizeof(pingcache));
        SZ_Alloc(&net_message, NET_MAXMESSAGE, "net_message");
        LHNET_Init();
 }