/* | |
* 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 StatefulPceCapabilityTlv. | |
*/ | |
public class StatefulPceCapabilityTlv implements PcepValueType { | |
/* STATEFUL-PCE-CAPABILITY TLV format | |
* | |
* Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10 | |
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=16 | Length=4 | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| Flags |D|T|I|S|U| | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
*/ | |
protected static final Logger log = LoggerFactory.getLogger(StatefulPceCapabilityTlv.class); | |
public static final short TYPE = 16; | |
public static final short LENGTH = 4; | |
public static final byte UFLAG_SET = 0x01; | |
public static final byte SFLAG_SET = 0x02; | |
public static final byte IFLAG_SET = 0x04; | |
public static final byte TFLAG_SET = 0x08; | |
public static final byte DFLAG_SET = 0x10; | |
public static final int SET = 1; | |
private final int rawValue; | |
private final boolean bDFlag; | |
private final boolean bTFlag; | |
private final boolean bIFlag; | |
private final boolean bSFlag; | |
private final boolean bUFlag; | |
private final boolean isRawValueSet; | |
/** | |
* Constructor to initialize variables. | |
* | |
* @param rawValue Flags | |
*/ | |
public StatefulPceCapabilityTlv(int rawValue) { | |
this.rawValue = rawValue; | |
isRawValueSet = true; | |
this.bUFlag = (rawValue & UFLAG_SET) == UFLAG_SET ? true : false; | |
this.bSFlag = (rawValue & SFLAG_SET) == SFLAG_SET ? true : false; | |
this.bIFlag = (rawValue & IFLAG_SET) == IFLAG_SET ? true : false; | |
this.bTFlag = (rawValue & TFLAG_SET) == TFLAG_SET ? true : false; | |
this.bDFlag = (rawValue & DFLAG_SET) == DFLAG_SET ? true : false; | |
} | |
/** | |
* Constructor to initialize variables. | |
* | |
* @param bDFlag D-flag | |
* @param bTFlag T-flag | |
* @param bIFlag I-flag | |
* @param bSFlag S-flag | |
* @param bUFlag U-flag | |
*/ | |
public StatefulPceCapabilityTlv(boolean bDFlag, boolean bTFlag, boolean bIFlag, boolean bSFlag, boolean bUFlag) { | |
this.bDFlag = bDFlag; | |
this.bTFlag = bTFlag; | |
this.bIFlag = bIFlag; | |
this.bSFlag = bSFlag; | |
this.bUFlag = bUFlag; | |
this.rawValue = 0; | |
isRawValueSet = false; | |
} | |
/** | |
* Returns object of StatefulPceCapabilityTlv. | |
* | |
* @param raw value Flags | |
* @return object of StatefulPceCapabilityTlv | |
*/ | |
public static StatefulPceCapabilityTlv of(final int raw) { | |
return new StatefulPceCapabilityTlv(raw); | |
} | |
@Override | |
public PcepVersion getVersion() { | |
return PcepVersion.PCEP_1; | |
} | |
/** | |
* Returns D-flag. | |
* | |
* @return bDFlag D-flag | |
*/ | |
public boolean getDFlag() { | |
return bDFlag; | |
} | |
/** | |
* Returns T-flag. | |
* | |
* @return bTFlag T-flag | |
*/ | |
public boolean getTFlag() { | |
return bTFlag; | |
} | |
/** | |
* Returns I-flag. | |
* | |
* @return bIFlag I-flag | |
*/ | |
public boolean getIFlag() { | |
return bIFlag; | |
} | |
/** | |
* Returns S-flag. | |
* | |
* @return bSFlag S-flag | |
*/ | |
public boolean getSFlag() { | |
return bSFlag; | |
} | |
/** | |
* Returns U-flag. | |
* | |
* @return bUFlag U-flag | |
*/ | |
public boolean getUFlag() { | |
return bUFlag; | |
} | |
/** | |
* Returns raw value Flags. | |
* | |
* @return rawValue Flags | |
*/ | |
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(bDFlag, bTFlag, bIFlag, bSFlag, bUFlag); | |
} | |
} | |
@Override | |
public boolean equals(Object obj) { | |
if (this == obj) { | |
return true; | |
} | |
if (obj instanceof StatefulPceCapabilityTlv) { | |
StatefulPceCapabilityTlv other = (StatefulPceCapabilityTlv) obj; | |
if (isRawValueSet) { | |
return Objects.equals(this.rawValue, other.rawValue); | |
} else { | |
return Objects.equals(this.bDFlag, other.bDFlag) && Objects.equals(this.bTFlag, other.bTFlag) | |
&& Objects.equals(this.bIFlag, other.bIFlag) && Objects.equals(this.bSFlag, other.bSFlag) | |
&& Objects.equals(this.bUFlag, other.bUFlag); | |
} | |
} | |
return false; | |
} | |
@Override | |
public int write(ChannelBuffer c) { | |
int iLenStartIndex = c.writerIndex(); | |
c.writeShort(TYPE); | |
c.writeShort(LENGTH); | |
if (isRawValueSet) { | |
c.writeInt(rawValue); | |
} else { | |
int temp = 0; | |
if (bUFlag) { | |
temp = temp | UFLAG_SET; | |
} | |
if (bSFlag) { | |
temp = temp | SFLAG_SET; | |
} | |
if (bIFlag) { | |
temp = temp | IFLAG_SET; | |
} | |
if (bTFlag) { | |
temp = temp | TFLAG_SET; | |
} | |
if (bDFlag) { | |
temp = temp | DFLAG_SET; | |
} | |
c.writeInt(temp); | |
} | |
return c.writerIndex() - iLenStartIndex; | |
} | |
/** | |
* Reads from channel buffer and returns object of StatefulPceCapabilityTlv. | |
* | |
* @param c input channel buffer | |
* @return object of StatefulPceCapabilityTlv | |
*/ | |
public static PcepValueType read(ChannelBuffer c) { | |
int temp = c.readInt(); | |
boolean bDFlag; | |
boolean bTFlag; | |
boolean bIFlag; | |
boolean bSFlag; | |
boolean bUFlag; | |
bUFlag = (temp & UFLAG_SET) == UFLAG_SET ? true : false; | |
bSFlag = (temp & SFLAG_SET) == SFLAG_SET ? true : false; | |
bIFlag = (temp & IFLAG_SET) == IFLAG_SET ? true : false; | |
bTFlag = (temp & TFLAG_SET) == TFLAG_SET ? true : false; | |
bDFlag = (temp & DFLAG_SET) == DFLAG_SET ? true : false; | |
return new StatefulPceCapabilityTlv(bDFlag, bTFlag, bIFlag, bSFlag, bUFlag); | |
} | |
@Override | |
public String toString() { | |
return MoreObjects.toStringHelper(getClass()).add("type", TYPE).add("Length", LENGTH).add("DFlag", bDFlag) | |
.add("TFlag", bTFlag).add("IFlag", bIFlag).add("SFlag", bSFlag).add("UFlag", bUFlag).toString(); | |
} | |
} |