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/*
* Copyright 2015 Open Networking Laboratory
*
* 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.onosproject.bgpio.types;
import java.util.Objects;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onlab.packet.Ip4Address;
import org.onosproject.bgpio.protocol.IGPRouterID;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Provides implementation of OSPFPseudonode Tlv.
*/
public class OSPFPseudonode implements IGPRouterID, BGPValueType {
protected static final Logger log = LoggerFactory.getLogger(OSPFPseudonode.class);
public static final short TYPE = 515;
public static final short LENGTH = 8;
private final int routerID;
private final Ip4Address drInterface;
/**
* Constructor to initialize parameters.
*
* @param routerID routerID
* @param drInterface IPv4 address of the DR's interface
*/
public OSPFPseudonode(int routerID, Ip4Address drInterface) {
this.routerID = routerID;
this.drInterface = drInterface;
}
/**
* Returns object of this class with specified values.
*
* @param routerID routerID
* @param drInterface IPv4 address of the DR's interface
* @return object of OSPFPseudonode
*/
public static OSPFPseudonode of(final int routerID, final Ip4Address drInterface) {
return new OSPFPseudonode(routerID, drInterface);
}
/**
* Returns RouterID.
*
* @return RouterID
*/
public int getrouterID() {
return this.routerID;
}
@Override
public int hashCode() {
return Objects.hash(routerID, drInterface);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof OSPFPseudonode) {
OSPFPseudonode other = (OSPFPseudonode) obj;
return Objects.equals(routerID, other.routerID) && Objects.equals(drInterface, other.drInterface);
}
return false;
}
@Override
public int write(ChannelBuffer c) {
int iLenStartIndex = c.writerIndex();
c.writeShort(TYPE);
c.writeShort(LENGTH);
c.writeInt(routerID);
c.writeInt(drInterface.toInt());
return c.writerIndex() - iLenStartIndex;
}
/**
* Reads the channel buffer and returns object of OSPFPseudonode.
*
* @param cb ChannelBuffer
* @return object of OSPFPseudonode
*/
public static OSPFPseudonode read(ChannelBuffer cb) {
int routerID = cb.readInt();
Ip4Address drInterface = Ip4Address.valueOf(cb.readInt());
return OSPFPseudonode.of(routerID, drInterface);
}
@Override
public short getType() {
return TYPE;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("Type", TYPE)
.add("Length", LENGTH)
.add("RouterID", routerID)
.add("DRInterface", drInterface)
.toString();
}
}
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