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Scope: implemented RemoveLeaseByClientIdentifier() method and renamed RemoveLease() to RemoveLeaseByHardwareAddress().

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This commit is contained in:
Shreyas Zare
2022-04-30 12:03:25 +05:30
parent c52211fb47
commit ed5a831f95
1 changed files with 22 additions and 1 deletions
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23
DnsServerCore/Dhcp/Scope.cs
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@@ -1013,7 +1013,7 @@ namespace DnsServerCore.Dhcp
_lastModified = DateTime.UtcNow;
}
internal Lease RemoveLease(string hardwareAddress)
internal Lease RemoveLeaseByHardwareAddress(string hardwareAddress)
{
byte[] hardwareAddressBytes = Lease.ParseHardwareAddress(hardwareAddress);
@@ -1044,6 +1044,27 @@ namespace DnsServerCore.Dhcp
throw new DhcpServerException("No lease was found for hardware address: " + hardwareAddress);
}
internal Lease RemoveLeaseByClientIdentifier(string clientIdentifier)
{
//remove lease
if (!_leases.TryRemove(ClientIdentifierOption.Parse(clientIdentifier), out Lease removedLease))
throw new DhcpServerException("No lease was found for client identifier: " + clientIdentifier);
if (removedLease.Type == LeaseType.Reserved)
{
//remove reserved lease
ClientIdentifierOption reservedLeasesClientIdentifier = new ClientIdentifierOption((byte)DhcpMessageHardwareAddressType.Ethernet, removedLease.HardwareAddress);
if (_reservedLeases.TryGetValue(reservedLeasesClientIdentifier, out Lease existingReservedLease))
{
//remove reserved lease only if the IP addresses match
if (existingReservedLease.Address.Equals(removedLease.Address))
_reservedLeases.TryRemove(reservedLeasesClientIdentifier, out _);
}
}
return removedLease;
}
internal void SetEnabled(bool enabled)
{
_enabled = enabled;