ObjXMPP  Diff

}

- (id)nextObject
{
	XMPPSRVEntry *ret;
	of_list_object_t *iter;
	uint32_t totalWeight = 0;
	BOOL found = NO;
	BOOL loop = YES;

	if (done)
		return nil;

	if (listIter == NULL)
		listIter = [list lastListObject];

	if (listIter == NULL)
		return nil;

	if (subListCopy == nil)
		subListCopy = [listIter->object copy];

	/* FIXME: Handle empty subListCopy */
	for (iter = [subListCopy firstListObject]; iter != NULL;
	     iter = iter->next) {
		totalWeight += [iter->object weight];
		[iter->object setAccumulatedWeight: totalWeight];
	}

	if ([subListCopy count] == 0)
		loop = NO;

	while (!found) {
	while (loop) {
		uint32_t randomWeight;

		RAND_pseudo_bytes((uint8_t*)&randomWeight, sizeof(uint32_t));
		randomWeight %= (totalWeight + 1);

		for (iter = [subListCopy firstListObject]; iter != NULL;
		     iter = iter->next) {
			if ([iter->object accumulatedWeight] >= randomWeight) {
				ret = [[iter->object retain] autorelease];

				[subListCopy removeListObject: iter];

				found = YES;
				loop = NO;
				break;
			}
		}
	}

	if ([subListCopy count] == 0) {
		[subListCopy release];