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CacheZone: optimized code in ContainsNameServerRecords().

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This commit is contained in:
Shreyas Zare
2020-06-28 19:32:44 +05:30
parent a6b8c66a19
commit f326110514
1 changed files with 15 additions and 2 deletions
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17
DnsServerCore/Dns/Zones/CacheZone.cs
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@@ -167,8 +167,21 @@ namespace DnsServerCore.Dns.Zones
public override bool ContainsNameServerRecords()
{
IReadOnlyList<DnsResourceRecord> records = QueryRecords(DnsResourceRecordType.NS, false);
return (records.Count > 0) && (records[0].Type == DnsResourceRecordType.NS);
if (!_entries.TryGetValue(DnsResourceRecordType.NS, out IReadOnlyList<DnsResourceRecord> records))
return false;
foreach (DnsResourceRecord record in records)
{
if (record.IsStale)
continue;
if (record.TtlValue < 1u)
continue;
return true;
}
return false;
}
#endregion