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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.pcepio.types;
import java.util.Objects;
import org.jboss.netty.buffer.ChannelBuffer;
import org.onosproject.pcepio.protocol.PcepVersion;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Provides CEP LABEL DB VERSION TLV which contains LSP State DB Version (32 Bit ).
*/
public class PcepLabelDbVerTlv implements PcepValueType {
/* PCEP LABEL DB VERSION TLV format
Reference : draft-ietf-pce-stateful-sync-optimizations-02, section 3.3.1
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type=23 | Length=8 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| LSP State DB Version |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
protected static final Logger log = LoggerFactory.getLogger(PcepLabelDbVerTlv.class);
public static final short TYPE = 34;
public static final short LENGTH = 8;
private final long rawValue;
/**
* constructor to initialize rawValue.
*
* @param rawValue of Pcep Label Db Version Tlv
*/
public PcepLabelDbVerTlv(final long rawValue) {
log.debug("PcepLabelDbVerTlv");
this.rawValue = rawValue;
}
/**
* Returns newly created PcepLabelDbVerTlv object.
*
* @param raw LSP State DB Version
* @return object of PcepLabelDbVerTlv
*/
public static PcepLabelDbVerTlv of(final long raw) {
return new PcepLabelDbVerTlv(raw);
}
@Override
public PcepVersion getVersion() {
return PcepVersion.PCEP_1;
}
/**
* Returns LSP State DB Version.
* @return raw value
*/
public long getLong() {
return rawValue;
}
@Override
public short getLength() {
return LENGTH;
}
@Override
public short getType() {
return TYPE;
}
@Override
public int hashCode() {
return Objects.hash(rawValue);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof PcepLabelDbVerTlv) {
PcepLabelDbVerTlv other = (PcepLabelDbVerTlv) obj;
return Objects.equals(this.rawValue, other.rawValue);
}
return false;
}
@Override
public int write(ChannelBuffer c) {
int iLenStartIndex = c.writerIndex();
c.writeShort(TYPE);
c.writeShort(LENGTH);
c.writeLong(rawValue);
return c.writerIndex() - iLenStartIndex;
}
/**
* Reads the channel buffer and returns object of PcepLabelDbVerTlv.
*
* @param c input channel buffer
* @return object of PcepLabelDbVerTlv
*/
public static PcepLabelDbVerTlv read(ChannelBuffer c) {
return PcepLabelDbVerTlv.of(c.readLong());
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("Type", TYPE)
.add("Length", LENGTH)
.add("Value", rawValue)
.toString();
}
}
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