1 files changed, 57 insertions, 22 deletions

diff --git a/code/server/sv_main.c b/code/server/sv_main.c
index 23dc50f..5d3c7ff 100644
--- a/code/server/sv_main.c
+++ b/code/server/sv_main.c
@@ -234,56 +234,91 @@ but not on every player enter or exit.
 #define	HEARTBEAT_MSEC	300*1000
 #define	HEARTBEAT_GAME	"QuakeArena-1"
 void SV_MasterHeartbeat( void ) {
-	static netadr_t	adr[MAX_MASTER_SERVERS];
+	static netadr_t	adr[MAX_MASTER_SERVERS][2]; // [2] for v4 and v6 address for the same address string.
 	int			i;
 	int			res;
+	int			netenabled;
+
+	netenabled = Cvar_VariableIntegerValue("net_enabled");
 
 	// "dedicated 1" is for lan play, "dedicated 2" is for inet public play
-	if ( !com_dedicated || com_dedicated->integer != 2 ) {
+	if (!com_dedicated || com_dedicated->integer != 2 || !(netenabled & (NET_ENABLEV4 | NET_ENABLEV6)))
 		return;		// only dedicated servers send heartbeats
-	}
 
 	// if not time yet, don't send anything
-	if ( svs.time < svs.nextHeartbeatTime ) {
+	if ( svs.time < svs.nextHeartbeatTime )
 		return;
-	}
-	svs.nextHeartbeatTime = svs.time + HEARTBEAT_MSEC;
 
+	svs.nextHeartbeatTime = svs.time + HEARTBEAT_MSEC;
 
 	// send to group masters
-	for ( i = 0 ; i < MAX_MASTER_SERVERS ; i++ ) {
-		if ( !sv_master[i]->string[0] ) {
+	for (i = 0; i < MAX_MASTER_SERVERS; i++)
+	{
+		if(!sv_master[i]->string[0])
 			continue;
-		}
 
 		// see if we haven't already resolved the name
 		// resolving usually causes hitches on win95, so only
 		// do it when needed
-		if ( sv_master[i]->modified ) {
+		if(sv_master[i]->modified || (adr[i][0].type == NA_BAD && adr[i][1].type == NA_BAD))
+		{
 			sv_master[i]->modified = qfalse;
-	
-			Com_Printf( "Resolving %s\n", sv_master[i]->string );
-			res = NET_StringToAdr( sv_master[i]->string, &adr[i], NA_UNSPEC );
-			if ( !res ) {
+			
+			if(netenabled & NET_ENABLEV4)
+			{
+				Com_Printf("Resolving %s (IPv4)\n", sv_master[i]->string);
+				res = NET_StringToAdr(sv_master[i]->string, &adr[i][0], NA_IP);
+
+				if(res == 2)
+				{
+					// if no port was specified, use the default master port
+					adr[i][0].port = BigShort(PORT_MASTER);
+				}
+				
+				if(res)
+					Com_Printf( "%s resolved to %s\n", sv_master[i]->string, NET_AdrToStringwPort(adr[i][0]));
+				else
+					Com_Printf( "%s has no IPv4 address.\n", sv_master[i]->string);
+			}
+			
+			if(netenabled & NET_ENABLEV6)
+			{
+				Com_Printf("Resolving %s (IPv6)\n", sv_master[i]->string);
+				res = NET_StringToAdr(sv_master[i]->string, &adr[i][1], NA_IP6);
+
+				if(res == 2)
+				{
+					// if no port was specified, use the default master port
+					adr[i][1].port = BigShort(PORT_MASTER);
+				}
+				
+				if(res)
+					Com_Printf( "%s resolved to %s\n", sv_master[i]->string, NET_AdrToStringwPort(adr[i][1]));
+				else
+					Com_Printf( "%s has no IPv6 address.\n", sv_master[i]->string);
+			}
+
+			if(adr[i][0].type == NA_BAD && adr[i][1].type == NA_BAD)
+			{
 				// if the address failed to resolve, clear it
 				// so we don't take repeated dns hits
-				Com_Printf( "Couldn't resolve address: %s\n", sv_master[i]->string );
-				Cvar_Set( sv_master[i]->name, "" );
+				Com_Printf("Couldn't resolve address: %s\n", sv_master[i]->string);
+				Cvar_Set(sv_master[i]->name, "");
 				sv_master[i]->modified = qfalse;
 				continue;
 			}
-			if ( res == 2 ) {
-				// if no port was specified, use the default master port
-				adr[i].port = BigShort( PORT_MASTER );
-			}
-			Com_Printf( "%s resolved to %s\n", sv_master[i]->string, NET_AdrToStringwPort(adr[i]));
 		}
 
 
 		Com_Printf ("Sending heartbeat to %s\n", sv_master[i]->string );
+
 		// this command should be changed if the server info / status format
 		// ever incompatably changes
-		NET_OutOfBandPrint( NS_SERVER, adr[i], "heartbeat %s\n", HEARTBEAT_GAME );
+
+		if(adr[i][0].type != NA_BAD)
+			NET_OutOfBandPrint( NS_SERVER, adr[i][0], "heartbeat %s\n", HEARTBEAT_GAME );
+		if(adr[i][1].type != NA_BAD)
+			NET_OutOfBandPrint( NS_SERVER, adr[i][1], "heartbeat %s\n", HEARTBEAT_GAME );
 	}
 }