/*
* Copyright 2011 Future Systems
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.krakenapps.pcap.decoder.dhcp;
import org.krakenapps.pcap.decoder.dhcp.options.DhcpOption;
import org.krakenapps.pcap.decoder.dhcp.options.DhcpOptionCode;
import org.krakenapps.pcap.decoder.dhcp.options.ParameterRequestListOption;
public class DhcpOptions {
private DhcpOptions() {
}
public static DhcpMessage.Type getDhcpMessageType(DhcpMessage msg) {
DhcpOption option = msg.getOption(DhcpOptionCode.DhcpMessageType.value());
if (option != null)
return DhcpMessage.Type.from(option.getValue()[0]);
return null;
}
public static String getDomainName(DhcpMessage msg) {
DhcpOption option = msg.getOption(DhcpOptionCode.DomainName.value());
if (option != null)
return new String(option.getValue());
return null;
}
public static String getHostName(DhcpMessage msg) {
DhcpOption option = msg.getOption(DhcpOptionCode.HostName.value());
if (option != null)
return new String(option.getValue());
return null;
}
public static String getFingerprint(DhcpMessage msg) {
for (DhcpOption option : msg.getOptions())
if (option instanceof ParameterRequestListOption)
return ((ParameterRequestListOption) option).getFingerprint();
return null;
}
}