1.1 --- a/Bonjour/MYAddressLookup.m	Wed Apr 29 13:29:31 2009 -0700
     1.2 +++ b/Bonjour/MYAddressLookup.m	Wed May 06 09:21:57 2009 -0700
     1.3 @@ -25,7 +25,7 @@
     1.4              return nil;
     1.5          }
     1.6          _hostname = [hostname copy];
     1.7 -        _addresses = [[NSMutableArray alloc] init];
     1.8 +        _addresses = [[NSMutableSet alloc] init];
     1.9      }
    1.10      return self;
    1.11  }
    1.12 @@ -62,10 +62,24 @@
    1.13      if (address) {
    1.14          if (flags & kDNSServiceFlagsAdd) {
    1.15              LogTo(DNS,@"%@ got %@ [TTL = %u]", self, address, ttl);
    1.16 +			NSSet *changedObjects = [NSSet setWithObject:address];
    1.17 +			[self willChangeValueForKey:@"addresses" 
    1.18 +						withSetMutation:NSKeyValueUnionSetMutation 
    1.19 +						   usingObjects:changedObjects]; 
    1.20              [_addresses addObject: address];
    1.21 +			[self didChangeValueForKey:@"addresses" 
    1.22 +					   withSetMutation:NSKeyValueUnionSetMutation 
    1.23 +						  usingObjects:changedObjects]; 
    1.24          } else {
    1.25              LogTo(DNS,@"%@ lost %@ [TTL = %u]", self, address, ttl);
    1.26 +			NSSet *changedObjects = [NSSet setWithObject:address];
    1.27 +			[self willChangeValueForKey:@"addresses" 
    1.28 +						withSetMutation:NSKeyValueMinusSetMutation 
    1.29 +						   usingObjects:changedObjects]; 
    1.30              [_addresses removeObject: address];
    1.31 +			[self didChangeValueForKey:@"addresses" 
    1.32 +					   withSetMutation:NSKeyValueMinusSetMutation 
    1.33 +						  usingObjects:changedObjects]; 
    1.34          }
    1.35          [address release];
    1.36      }
    1.37 @@ -96,7 +110,16 @@
    1.38  
    1.39  
    1.40  - (DNSServiceErrorType) createServiceRef: (DNSServiceRef*)sdRefPtr {
    1.41 -    [_addresses removeAllObjects];
    1.42 +	if ([_addresses count] > 0) {
    1.43 +		NSSet *changedObjects = [NSSet setWithSet:_addresses];
    1.44 +		[self willChangeValueForKey:@"addresses" 
    1.45 +					withSetMutation:NSKeyValueMinusSetMutation 
    1.46 +					   usingObjects:changedObjects]; 
    1.47 +		[_addresses removeAllObjects];
    1.48 +		[self didChangeValueForKey:@"addresses" 
    1.49 +				   withSetMutation:NSKeyValueMinusSetMutation 
    1.50 +					  usingObjects:changedObjects]; 
    1.51 +	}
    1.52      return DNSServiceGetAddrInfo(sdRefPtr,
    1.53                                   kDNSServiceFlagsShareConnection,
    1.54                                   _interfaceIndex, 0,