usr.lib/mdnsd/mDNS.c

2127 #define ActiveQuestion(Q) ((Q)->ThisQInterval > 0 && !(Q)->DuplicateOf)
2128 #define TimeToSendThisQuestion(Q,time) (ActiveQuestion(Q) && (time) - ((Q)->LastQTime + (Q)->ThisQInterval) >= 0)
2133 		if (m->NextScheduledQuery - (q->LastQTime + q->ThisQInterval) > 0)
2134 			m->NextScheduledQuery = (q->LastQTime + q->ThisQInterval);
3464 		// Query 1 (immediately;      ThisQInterval =  1 sec; request unicast replies)
3465 		// Query 2 (after  1 second;  ThisQInterval =  2 sec; send normally)
3466 		// Query 3 (after  2 seconds; ThisQInterval =  4 sec; may suppress)
3467 		// Query 4 (after  4 seconds; ThisQInterval =  8 sec; send normally)
3468 		// Query 5 (after  8 seconds; ThisQInterval = 16 sec; may suppress)
3469 		// Query 6 (after 16 seconds; ThisQInterval = 32 sec; send normally)
3471 			if (q->ThisQInterval == InitialQuestionInterval * 8 || q->ThisQInterval == InitialQuestionInterval * 32)
3565 	if (TimeToSendThisQuestion(q, m->timenow + q->ThisQInterval/10))
3569 	if (TimeToSendThisQuestion(q, m->timenow + q->ThisQInterval/2))
3580 				rr->NextRequiredQuery - (m->timenow + q->ThisQInterval) > 0)// and we'll ask at least once again before NextRequiredQuery
3645 				q->ThisQInterval   *= 2;
3646 				if (q->ThisQInterval > MaxQuestionInterval)
3647 					q->ThisQInterval = MaxQuestionInterval;
3660 				if (maxExistingQuestionInterval < q->ThisQInterval)
3661 					maxExistingQuestionInterval = q->ThisQInterval;
3670 				(!q->Target.type && ActiveQuestion(q) && q->ThisQInterval <= maxExistingQuestionInterval && AccelerateThisQuery(m,q)))
3675 				if (m->timenow - (q->LastQTime + q->ThisQInterval/2) >= 0)
3678 					q->ThisQInterval *= 2;
3679 					if (q->ThisQInterval > MaxQuestionInterval)
3680 						q->ThisQInterval = MaxQuestionInterval;
3681 					else if (q->CurrentAnswers == 0 && q->ThisQInterval == InitialQuestionInterval * 8)
3699 				ExpireDupSuppressInfo(q->DupSuppress, m->timenow - q->ThisQInterval/2);
3953 			q->ThisQInterval  = MaxQuestionInterval;
4029 					q->ThisQInterval > InitialQuestionInterval*32 && m->timenow - q->LastQTxTime < mDNSPlatformOneSecond)
4034 					q->ThisQInterval  = InitialQuestionInterval;
4066 // so we immediately bump ThisQInterval up to MaxQuestionInterval to avoid pounding the network.
4289 		q->ThisQInterval  = InitialQuestionInterval;
4290 		q->LastQTime      = m->timenow - q->ThisQInterval;
4651 				q->ThisQInterval    = InitialQuestionInterval;	// MUST be > zero for an active question
4653 				q->LastQTime        = m->timenow - q->ThisQInterval;
5745 			q->ThisQInterval    = question->ThisQInterval;
5828 		question->ThisQInterval     = InitialQuestionInterval * 2;			// MUST be > zero for an active question
5849 				question->LastQTime + question->ThisQInterval - m->timenow, question);
5853 				question->LastQTime + question->ThisQInterval - m->timenow, question, question->DuplicateOf);
5884 		if (question->ThisQInterval >= 0)	// Only log error message if the query was supposed to be active
5892 	// But don't trash ThisQInterval until afterwards.
5893 	question->ThisQInterval = -1;
6044 		if (query->qAv6.ThisQInterval >= 0) mDNS_StopQuery(m, &query->qAv6);
6154 	query->qSRV.ThisQInterval       = -1;		// So that mDNS_StopResolveService() knows whether to cancel this question
6166 	query->qTXT.ThisQInterval       = -1;		// So that mDNS_StopResolveService() knows whether to cancel this question
6178 	query->qAv4.ThisQInterval       = -1;		// So that mDNS_StopResolveService() knows whether to cancel this question
6190 	query->qAv6.ThisQInterval       = -1;		// So that mDNS_StopResolveService() knows whether to cancel this question
6230 	if (q->qSRV.ThisQInterval >= 0 || uDNS_IsActiveQuery(&q->qSRV, &m->uDNS_info)) mDNS_StopQuery_internal(m, &q->qSRV);
6231 	if (q->qTXT.ThisQInterval >= 0 || uDNS_IsActiveQuery(&q->qTXT, &m->uDNS_info)) mDNS_StopQuery_internal(m, &q->qTXT);
6232 	if (q->qAv4.ThisQInterval >= 0 || uDNS_IsActiveQuery(&q->qAv4, &m->uDNS_info)) mDNS_StopQuery_internal(m, &q->qAv4);
6233 	if (q->qAv6.ThisQInterval >= 0 || uDNS_IsActiveQuery(&q->qAv6, &m->uDNS_info)) mDNS_StopQuery_internal(m, &q->qAv6);
6638 				if (!q->ThisQInterval || q->ThisQInterval > initial)
6640 					q->ThisQInterval = initial;
6643 				if (q->LastQTime - (m->timenow - q->ThisQInterval + qdelay) > 0)
6644 					q->LastQTime = (m->timenow - q->ThisQInterval + qdelay);
6734 				if (q->InterfaceID == set->InterfaceID) q->ThisQInterval = 0;