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AuthZoneInfo: updated code to support forwarder zone and included LastRefreshed and IsExpired for secondary and stub zones.

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This commit is contained in:
Shreyas Zare
2020-06-06 16:18:13 +05:30
parent 2f80f70a24
commit 573d6cf1d2
1 changed files with 63 additions and 1 deletions
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64
DnsServerCore/Dns/Zones/AuthZoneInfo.cs
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@@ -30,7 +30,8 @@ namespace DnsServerCore.Dns.Zones
Unknown = 0,
Primary = 1,
Secondary = 2,
Stub = 3
Stub = 3,
Forwarder = 4
}
public class AuthZoneInfo : IComparable<AuthZoneInfo>
@@ -41,6 +42,8 @@ namespace DnsServerCore.Dns.Zones
readonly AuthZoneType _type;
readonly bool _disabled;
readonly DateTime _lastRefreshed;
readonly AuthZone _zone;
#endregion
@@ -62,6 +65,18 @@ namespace DnsServerCore.Dns.Zones
_name = bR.ReadShortString();
_type = (AuthZoneType)bR.ReadByte();
_disabled = bR.ReadBoolean();
switch (_type)
{
case AuthZoneType.Secondary:
_lastRefreshed = bR.ReadDate();
break;
case AuthZoneType.Stub:
_lastRefreshed = bR.ReadDate();
break;
}
break;
default:
@@ -79,11 +94,24 @@ namespace DnsServerCore.Dns.Zones
_type = AuthZoneType.Secondary;
else if (zone is StubZone)
_type = AuthZoneType.Stub;
else if (zone is ForwarderZone)
_type = AuthZoneType.Forwarder;
else
_type = AuthZoneType.Unknown;
_disabled = zone.Disabled;
switch (_type)
{
case AuthZoneType.Secondary:
_lastRefreshed = (_zone as SecondaryZone).LastRefreshed;
break;
case AuthZoneType.Stub:
_lastRefreshed = (_zone as StubZone).LastRefreshed;
break;
}
_zone = zone;
}
@@ -101,11 +129,25 @@ namespace DnsServerCore.Dns.Zones
public void WriteTo(BinaryWriter bW)
{
if (_zone == null)
throw new InvalidOperationException();
bW.Write((byte)1); //version
bW.WriteShortString(_name);
bW.Write((byte)_type);
bW.Write(_disabled);
switch (_type)
{
case AuthZoneType.Secondary:
bW.Write(_lastRefreshed);
break;
case AuthZoneType.Stub:
bW.Write(_lastRefreshed);
break;
}
}
public int CompareTo(AuthZoneInfo other)
@@ -140,6 +182,26 @@ namespace DnsServerCore.Dns.Zones
}
}
public DateTime LastRefreshed
{ get { return _lastRefreshed; } }
public bool IsExpired
{
get
{
if (_zone == null)
throw new InvalidOperationException();
if (_zone is SecondaryZone)
return (_zone as SecondaryZone).IsExpired;
if (_zone is StubZone)
return (_zone as StubZone).IsExpired;
return false;
}
}
public bool Internal
{
get