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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.attr;
import java.util.Objects;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onlab.packet.Ip4Address;
import org.onosproject.bgpio.exceptions.BGPParseException;
import org.onosproject.bgpio.types.BGPErrorType;
import org.onosproject.bgpio.types.BGPValueType;
import org.onosproject.bgpio.util.Validation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Implements BGP attribute node router ID.
*/
public class BgpAttrRouterIdV4 implements BGPValueType {
protected static final Logger log = LoggerFactory
.getLogger(BgpAttrRouterIdV4.class);
public short sType;
/* IPv4 Router-ID of Node */
private Ip4Address ip4RouterId;
/**
* Constructor to initialize the value.
*
* @param ip4RouterId IPV4 address of router
* @param sType TLV type
*/
BgpAttrRouterIdV4(Ip4Address ip4RouterId, short sType) {
this.ip4RouterId = ip4RouterId;
this.sType = sType;
}
/**
* Reads the IPv4 Router-ID.
*
* @param cb ChannelBuffer
* @return object of BgpAttrRouterIdV4
* @throws BGPParseException while parsing BgpAttrNodeRouterId
*/
public static BgpAttrRouterIdV4 read(ChannelBuffer cb, short sType)
throws BGPParseException {
byte[] ipBytes;
Ip4Address ip4RouterId;
short lsAttrLength = cb.readShort();
if (4 != lsAttrLength) {
Validation.validateLen(BGPErrorType.UPDATE_MESSAGE_ERROR,
BGPErrorType.ATTRIBUTE_LENGTH_ERROR,
lsAttrLength);
}
ipBytes = new byte[lsAttrLength];
cb.readBytes(ipBytes);
ip4RouterId = Ip4Address.valueOf(ipBytes);
return new BgpAttrRouterIdV4(ip4RouterId, sType);
}
/**
* Returns the IPV4 router ID.
*
* @return Router ID
*/
Ip4Address getAttrRouterId() {
return ip4RouterId;
}
@Override
public short getType() {
return sType;
}
@Override
public int hashCode() {
return Objects.hash(ip4RouterId);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof BgpAttrRouterIdV4) {
BgpAttrRouterIdV4 other = (BgpAttrRouterIdV4) obj;
return Objects.equals(ip4RouterId, other.ip4RouterId);
}
return false;
}
@Override
public int write(ChannelBuffer cb) {
// TODO Auto-generated method stub
return 0;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass()).omitNullValues()
.add("ip4RouterId", ip4RouterId).toString();
}
}
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