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CacheZone: minor code refactoring changes.

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This commit is contained in:
Shreyas Zare
2022-10-30 17:57:54 +05:30
parent 223785e589
commit ecdf6c9965
1 changed files with 3 additions and 3 deletions
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6
DnsServerCore/Dns/Zones/CacheZone.cs
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@@ -45,7 +45,7 @@ namespace DnsServerCore.Dns.Zones
if (record.IsExpired(serveStale))
return Array.Empty<DnsResourceRecord>(); //RR Set is expired
if (skipSpecialCacheRecord && (record.RDATA is DnsCache.DnsSpecialCacheRecord))
if (skipSpecialCacheRecord && (record.RDATA is DnsCache.DnsSpecialCacheRecordData))
return Array.Empty<DnsResourceRecord>(); //RR Set is special cache record
}
@@ -80,7 +80,7 @@ namespace DnsServerCore.Dns.Zones
if (records.Count > 0)
{
if (records[0].RDATA is DnsCache.DnsSpecialCacheRecord splRecord)
if (records[0].RDATA is DnsCache.DnsSpecialCacheRecordData splRecord)
{
if (splRecord.IsFailureOrBadCache)
{
@@ -89,7 +89,7 @@ namespace DnsServerCore.Dns.Zones
if (_entries.TryGetValue(type, out IReadOnlyList<DnsResourceRecord> existingRecords))
{
if ((existingRecords.Count > 0) && !(existingRecords[0].RDATA is DnsCache.DnsSpecialCacheRecord existingSplRecord && existingSplRecord.IsFailureOrBadCache) && !DnsResourceRecord.IsRRSetExpired(existingRecords, serveStale))
if ((existingRecords.Count > 0) && !(existingRecords[0].RDATA is DnsCache.DnsSpecialCacheRecordData existingSplRecord && existingSplRecord.IsFailureOrBadCache) && !DnsResourceRecord.IsRRSetExpired(existingRecords, serveStale))
return false; //skip to avoid overwriting a useful record with a failure record
}
}