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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 org.jboss.netty.buffer.ChannelBuffer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.base.MoreObjects;
/**
* Provides PcepRsvpObjectHeader.
*/
public class PcepRsvpSpecObjHeader {
/*
0 1 2 3
+-------------+-------------+-------------+-------------+
| Length (bytes) | Class-Num | C-Type |
+-------------+-------------+-------------+-------------+
| |
// (Object contents) //
| |
+-------------+-------------+-------------+-------------+
ERROR_SPEC object Header
*/
protected static final Logger log = LoggerFactory.getLogger(PcepRsvpSpecObjHeader.class);
private short objLen;
private byte objClassNum;
private byte objClassType;
/**
* Constructor to initialize length, class num and type.
*
* @param objLen object length
* @param objClassNum pcep rsvp error spec object class num
* @param objClassType pcep rsvp error spec object class type
*/
public PcepRsvpSpecObjHeader(short objLen, byte objClassNum, byte objClassType) {
this.objLen = objLen;
this.objClassNum = objClassNum;
this.objClassType = objClassType;
}
/**
* Sets the Class num.
*
* @param value pcep rsvp error spec object class num
*/
public void setObjClassNum(byte value) {
this.objClassNum = value;
}
/**
* Sets the Class type.
*
* @param value pcep rsvp error spec object class type
*/
public void setObjClassType(byte value) {
this.objClassType = value;
}
/**
* Sets the Class Length.
*
* @param value pcep rsvp error spec object length
*/
public void setObjLen(short value) {
this.objLen = value;
}
/**
* Returns Object Length.
*
* @return objLen pcep rsvp error spec object length
*/
public short getObjLen() {
return this.objLen;
}
/**
* Returns Object num.
*
* @return objClassNum pcep rsvp error spec object class num
*/
public byte getObjClassNum() {
return this.objClassNum;
}
/**
* Returns Object type.
*
* @return objClassType pcep rsvp error spec object class type
*/
public byte getObjClassType() {
return this.objClassType;
}
/**
* Writes the byte stream of PcepRsvpObjectHeader to channel buffer.
*
* @param cb of type channel buffer
* @return object length index
*/
public int write(ChannelBuffer cb) {
int objLenIndex = cb.writerIndex();
objLen = 0;
cb.writeShort(objLen);
cb.writeByte(objClassNum);
cb.writeByte(objClassType);
return objLenIndex;
}
/**
* Reads the PcepRsvpObjectHeader.
*
* @param cb of type channel buffer
* @return PcepRsvpObjectHeader
*/
public static PcepRsvpSpecObjHeader read(ChannelBuffer cb) {
byte objClassNum;
byte objClassType;
short objLen;
objLen = cb.readShort();
objClassNum = cb.readByte();
objClassType = cb.readByte();
return new PcepRsvpSpecObjHeader(objLen, objClassNum, objClassType);
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("ObjectClassNum: ", objClassNum)
.add("ObjectCType: ", objClassType)
.add("ObjectLength: ", objLen)
.toString();
}
}
|
