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CacheZoneTree: Updated FindZone() for minor changes. Code refactoring done.

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This commit is contained in:
Shreyas Zare
2022-02-27 18:07:39 +05:30
parent ccb95ebb85
commit 3ae268e92b
1 changed files with 5 additions and 9 deletions
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14
DnsServerCore/Dns/Trees/CacheZoneTree.cs
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@@ -18,7 +18,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using DnsServerCore.Dns.Zones;
using System;
namespace DnsServerCore.Dns.Trees
{
@@ -40,14 +39,14 @@ namespace DnsServerCore.Dns.Trees
public override bool TryRemove(string domain, out CacheZone value)
{
bool removed = TryRemove(domain, out value, out Node closestNode);
bool removed = TryRemove(domain, out value, out Node currentNode);
//remove all cache zones under current zone
Node current = closestNode;
Node current = currentNode;
do
{
current = current.GetNextNodeWithValue(closestNode.Depth);
current = current.GetNextNodeWithValue(currentNode.Depth);
if (current is null)
break;
@@ -66,19 +65,16 @@ namespace DnsServerCore.Dns.Trees
while (true);
if (removed)
closestNode.CleanThisBranch();
currentNode.CleanThisBranch();
return removed;
}
public CacheZone FindZone(string domain, out CacheZone closest, out CacheZone delegation)
{
if (domain is null)
throw new ArgumentNullException(nameof(domain));
byte[] key = ConvertToByteKey(domain);
CacheZone zoneValue = FindZoneNode(key, out _, out _, out CacheZone closestSubDomain, out CacheZone closestDelegation, out _);
CacheZone zoneValue = FindZoneNode(key, false, out _, out _, out _, out CacheZone closestSubDomain, out CacheZone closestDelegation, out _);
if (zoneValue is null)
{
//zone not found