/* | |
* 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 TED Capability Tlv. | |
*/ | |
public class TedCapabilityTlv implements PcepValueType { | |
/* | |
* Reference :PCEP Extension for Transporting TE Data draft-dhodylee-pce-pcep-te-data-extn-02 | |
* 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=[TBD5] | Length=4 | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| Flags |R| | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
*/ | |
protected static final Logger log = LoggerFactory.getLogger(TedCapabilityTlv.class); | |
public static final short TYPE = 132; //TODO: need to change this TBD5 | |
public static final short LENGTH = 4; | |
public static final int SET = 1; | |
public static final byte RFLAG_CHECK = 0x01; | |
private final boolean bRFlag; | |
private final int rawValue; | |
private final boolean isRawValueSet; | |
/** | |
* Constructor to initialize raw Value. | |
* | |
* @param rawValue Flags | |
*/ | |
public TedCapabilityTlv(final int rawValue) { | |
this.rawValue = rawValue; | |
this.isRawValueSet = true; | |
int temp = rawValue; | |
temp = temp & RFLAG_CHECK; | |
if (temp == SET) { | |
this.bRFlag = true; | |
} else { | |
this.bRFlag = false; | |
} | |
} | |
/** | |
* Constructor to initialize bRFlag. | |
* | |
* @param bRFlag R-flag | |
*/ | |
public TedCapabilityTlv(boolean bRFlag) { | |
this.bRFlag = bRFlag; | |
this.rawValue = 0; | |
this.isRawValueSet = false; | |
} | |
/** | |
* Returns R-flag. | |
* | |
* @return bRFlag | |
*/ | |
public boolean getbRFlag() { | |
return bRFlag; | |
} | |
/** | |
* Returns an object of TedCapabilityTlv. | |
* | |
* @param raw value Flags | |
* @return object of TedCapabilityTlv | |
*/ | |
public static TedCapabilityTlv of(final int raw) { | |
return new TedCapabilityTlv(raw); | |
} | |
@Override | |
public PcepVersion getVersion() { | |
return PcepVersion.PCEP_1; | |
} | |
public int getInt() { | |
return rawValue; | |
} | |
@Override | |
public short getType() { | |
return TYPE; | |
} | |
@Override | |
public short getLength() { | |
return LENGTH; | |
} | |
@Override | |
public int hashCode() { | |
if (isRawValueSet) { | |
return Objects.hash(rawValue); | |
} else { | |
return Objects.hash(bRFlag); | |
} | |
} | |
@Override | |
public boolean equals(Object obj) { | |
if (this == obj) { | |
return true; | |
} | |
if (obj instanceof TedCapabilityTlv) { | |
TedCapabilityTlv other = (TedCapabilityTlv) obj; | |
if (isRawValueSet) { | |
return Objects.equals(this.rawValue, other.rawValue); | |
} else { | |
return Objects.equals(this.bRFlag, other.bRFlag); | |
} | |
} | |
return false; | |
} | |
@Override | |
public int write(ChannelBuffer c) { | |
int iStartIndex = c.writerIndex(); | |
int temp = 0; | |
c.writeShort(TYPE); | |
c.writeShort(LENGTH); | |
if (isRawValueSet) { | |
c.writeInt(rawValue); | |
} else { | |
if (bRFlag) { | |
temp = temp | RFLAG_CHECK; | |
} | |
c.writeInt(temp); | |
} | |
return c.writerIndex() - iStartIndex; | |
} | |
/** | |
* Reads channel buffer and returns object of TedCapabilityTlv. | |
* | |
* @param c input channel buffer | |
* @return object of TedCapabilityTlv | |
*/ | |
public static TedCapabilityTlv read(ChannelBuffer c) { | |
return TedCapabilityTlv.of(c.readInt()); | |
} | |
@Override | |
public String toString() { | |
return MoreObjects.toStringHelper(getClass()).add("Type", TYPE).add("Length", LENGTH).add("Value", rawValue) | |
.toString(); | |
} | |
} |