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CacheRecordInfo: added response metadata feature.

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This commit is contained in:
Shreyas Zare
2024-03-16 13:26:55 +05:30
parent ff6cbfcd54
commit 332b64e6c2
1 changed files with 26 additions and 1 deletions
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27
DnsServerCore/Dns/ResourceRecords/CacheRecordInfo.cs
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@@ -21,6 +21,7 @@ using System;
using System.Collections.Generic;
using System.IO;
using TechnitiumLibrary.Net;
using TechnitiumLibrary.Net.Dns;
using TechnitiumLibrary.Net.Dns.ResourceRecords;
namespace DnsServerCore.Dns.ResourceRecords
@@ -35,6 +36,7 @@ namespace DnsServerCore.Dns.ResourceRecords
IReadOnlyList<DnsResourceRecord> _rrsigRecords;
IReadOnlyList<DnsResourceRecord> _nsecRecords;
NetworkAddress _eDnsClientSubnet;
DnsDatagramMetadata _responseMetadata;
DateTime _lastUsedOn; //not serialized
@@ -51,6 +53,7 @@ namespace DnsServerCore.Dns.ResourceRecords
switch (version)
{
case 1:
case 2:
_glueRecords = ReadRecordsFrom(bR, true);
_rrsigRecords = ReadRecordsFrom(bR, false);
_nsecRecords = ReadRecordsFrom(bR, true);
@@ -58,6 +61,12 @@ namespace DnsServerCore.Dns.ResourceRecords
if (bR.ReadBoolean())
_eDnsClientSubnet = NetworkAddress.ReadFrom(bR);
if (version >= 2)
{
if (bR.ReadBoolean())
_responseMetadata = new DnsDatagramMetadata(bR);
}
break;
default:
@@ -125,7 +134,7 @@ namespace DnsServerCore.Dns.ResourceRecords
public void WriteTo(BinaryWriter bW)
{
bW.Write((byte)1); //version
bW.Write((byte)2); //version
WriteRecordsTo(_glueRecords, bW, true);
WriteRecordsTo(_rrsigRecords, bW, false);
@@ -140,6 +149,16 @@ namespace DnsServerCore.Dns.ResourceRecords
bW.Write(true);
_eDnsClientSubnet.WriteTo(bW);
}
if (_responseMetadata is null)
{
bW.Write(false);
}
else
{
bW.Write(true);
_responseMetadata.WriteTo(bW);
}
}
#endregion
@@ -188,6 +207,12 @@ namespace DnsServerCore.Dns.ResourceRecords
set { _eDnsClientSubnet = value; }
}
public DnsDatagramMetadata ResponseMetadata
{
get { return _responseMetadata; }
set { _responseMetadata = value; }
}
public DateTime LastUsedOn
{
get { return _lastUsedOn; }