Files
DnsServer/DnsServerCore/Dhcp/Options/ServerIdentifierOption.cs

73 lines
1.7 KiB
C#

/*
Technitium DNS Server
Copyright (C) 2019 Shreyas Zare (shreyas@technitium.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using System.IO;
using System.Net;
using TechnitiumLibrary.IO;
namespace DnsServerCore.Dhcp.Options
{
class ServerIdentifierOption : DhcpOption
{
#region variables
IPAddress _address;
#endregion
#region constructor
public ServerIdentifierOption(IPAddress address)
: base(DhcpOptionCode.ServerIdentifier)
{
_address = address;
}
public ServerIdentifierOption(Stream s)
: base(DhcpOptionCode.ServerIdentifier, s)
{ }
#endregion
#region protected
protected override void ParseOptionValue(Stream s)
{
if (s.Length != 4)
throw new InvalidDataException();
_address = new IPAddress(s.ReadBytes(4));
}
protected override void WriteOptionValue(Stream s)
{
s.Write(_address.GetAddressBytes());
}
#endregion
#region properties
public IPAddress Address
{ get { return _address; } }
#endregion
}
}