/// <summary>
/// Updates service information from a DNS record
/// </summary>
/// <param name="zc">Zc.</param>
/// <param name="now">Now.</param>
/// <param name="record">Record.</param>
public void UpdateRecord(Zeroconf zc, long now, DNSRecord record)
{
if (record != null && !record.IsExpired(now))
{
if (record.Type == DNSType.A && record.Name == this.Server)
{
this.Address = ((DNSAddress)record).Address.ToString();
}
else if (record.Type == DNSType.SRV && record.Name == this.Name)
{
this.Server = ((DNSService)record).Server.ToString();
this.Port = ((DNSService)record).Port;
this.Weight = ((DNSService)record).Weight;
this.Priority = ((DNSService)record).Priority;
UpdateRecord(zc, now, (DNSAddress)zc.Cache.GetByDetails(
this.Server,
DNSType.A,
DNSClass.IN));
}
else if (record.Type == DNSType.TXT && record.Name == this.Name)
{
SetText(((DNSText)record).Text);
}
}
}
public void AddAnswerAtTime(DNSRecord record, long now)
{
if (now == 0 || !record.IsExpired(now))
{
this.Answers.Add(new Tuple <DNSRecord, long>(record, now));
}
}
/// <summary>
/// Callback invoked by Zeroconf when new information arrives.
/// Updates information required by browser in the Zeroconf cache.
/// </summary>
/// <param name="zc">Zc.</param>
/// <param name="now">Now.</param>
/// <param name="record">Record.</param>
public void UpdateRecord(Zeroconf zc, long now, DNSRecord record)
{
if (record.Type == DNSType.PTR && record.Name == this.type)
{
bool expired = record.IsExpired(now);
string alias = ((DNSPointer)record).Alias;
string serviceKey = alias.ToLower();
DNSRecord oldRecord;
bool success = this.services.TryGetValue(serviceKey, out oldRecord);
if (!success && !expired)
{
this.services[serviceKey] = record;
this.eventArgs.Enqueue(
new Delegates.OnChangeEventArgs(this.type, alias,
ServiceStateChange.Added)
);
}
else if (!expired)
{
oldRecord.ResetTTL(record);
}
else
{
this.services.Remove(serviceKey);
this.eventArgs.Enqueue(
new Delegates.OnChangeEventArgs(this.type, alias,
ServiceStateChange.Removed)
);
return;
}
long expires = record.GetExpirationTime(75);
if (expires < this.nextTime)
{
this.nextTime = expires;
}
}
}
