org.onlab.packet.dhcp.Dhcp6RelayOption Maven / Gradle / Ivy
/*
* Copyright 2017-present Open Networking Foundation
*
* 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.onlab.packet.dhcp;
import com.google.common.base.MoreObjects;
import org.onlab.packet.DHCP6;
import org.onlab.packet.Deserializer;
import org.onlab.packet.IPacket;
/**
* Relay option for DHCPv6.
* Based on RFC-3315.
*/
public final class Dhcp6RelayOption extends Dhcp6Option {
@Override
public short getCode() {
return DHCP6.OptionCode.RELAY_MSG.value();
}
@Override
public short getLength() {
return (short) payload.serialize().length;
}
@Override
public byte[] getData() {
return this.payload.serialize();
}
/**
* Default constructor.
*/
public Dhcp6RelayOption() {
}
/**
* Constructs a DHCPv6 relay option with DHCPv6 option.
*
* @param dhcp6Option the DHCPv6 option
*/
public Dhcp6RelayOption(Dhcp6Option dhcp6Option) {
super(dhcp6Option);
}
/**
* Gets deserializer for DHCPv6 relay option.
*
* @return the deserializer
*/
public static Deserializer deserializer() {
return (data, offset, len) -> {
Dhcp6Option dhcp6Option = Dhcp6Option.deserializer().deserialize(data, offset, len);
IPacket payload = DHCP6.deserializer()
.deserialize(dhcp6Option.getData(), 0, dhcp6Option.getLength());
Dhcp6RelayOption relayOption = new Dhcp6RelayOption(dhcp6Option);
relayOption.setPayload(payload);
payload.setParent(relayOption);
return relayOption;
};
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("code", getCode())
.add("length", getLength())
.add("data", payload.toString())
.toString();
}
}