public virtual void start()
{
// According to draft-cheshire-dnsext-multicastdns.txt
// chapter "8 Responding":
// We respond immediately if we know for sure, that we are
// the only one who can respond to the query.
// In all other cases, we respond within 20-120 ms.
//
// According to draft-cheshire-dnsext-multicastdns.txt
// chapter "7.2 Multi-Packet Known Answer Suppression":
// We respond after 20-120 ms if the query is truncated.
bool iAmTheOnlyOne = true;
foreach (DNSEntry entry in in_Renamed.questions)
{
if (entry is DNSQuestion)
{
DNSQuestion q = (DNSQuestion)entry;
logger.Debug("start() question=" + q);
iAmTheOnlyOne &= (q.type == DNSConstants.TYPE_SRV || q.type == DNSConstants.TYPE_TXT || q.type == DNSConstants.TYPE_A || q.type == DNSConstants.TYPE_AAAA || Enclosing_Instance.localHost.Name.ToUpper().Equals(q.name.ToUpper()) || Enclosing_Instance.services.Contains(q.name.ToLower()));
if (!iAmTheOnlyOne)
{
break;
}
}
}
int delay = (iAmTheOnlyOne && !in_Renamed.Truncated)?0:DNSConstants.RESPONSE_MIN_WAIT_INTERVAL + random.Next(DNSConstants.RESPONSE_MAX_WAIT_INTERVAL - DNSConstants.RESPONSE_MIN_WAIT_INTERVAL + 1) - in_Renamed.ElapsedSinceArrival();
if (delay < 0)
{
delay = 0;
}
logger.Debug("start() Responder chosen delay=" + delay);
// TODO: check this
Enclosing_Instance.Timer = new Timer(new TimerCallback(this.Run), null, delay, 0);
}
