blob: 0f29c53e30451eb43f9440f9348e806989230cb9 [file] [log] [blame]
/*
* Copyright 2015-present Open Networking Foundation
*
* 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 PceccCapabilityTlv.
*/
public class PceccCapabilityTlv implements PcepValueType {
/* PCECC CAPABILITY TLV
* Reference : draft-zhao-pce-pcep-extension-for-pce-controller-03, section-7.1.1
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=[TBD] | Length=4 |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Flags |S|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
private static final Logger log = LoggerFactory.getLogger(PceccCapabilityTlv.class);
public static final short TYPE = (short) 65287;
public static final short LENGTH = 4;
public static final int SET = 1;
public static final byte SBIT_CHECK = 0x01;
private final boolean sBit;
private final int rawValue;
private final boolean isRawValueSet;
/**
* Constructor to initialize raw Value.
*
* @param rawValue raw value
*/
public PceccCapabilityTlv(final int rawValue) {
this.rawValue = rawValue;
this.isRawValueSet = true;
sBit = (rawValue & SBIT_CHECK) == SBIT_CHECK;
}
/**
* Constructor to initialize G-flag L-flag.
*
* @param sBit pcecc sr capbaility bit
*/
public PceccCapabilityTlv(boolean sBit) {
this.sBit = sBit;
this.rawValue = 0;
this.isRawValueSet = false;
}
/**
* Returns newly created PceccCapabilityTlv object.
*
* @param raw value
* @return object of Pcecc Capability Tlv
*/
public static PceccCapabilityTlv of(final int raw) {
return new PceccCapabilityTlv(raw);
}
@Override
public PcepVersion getVersion() {
return PcepVersion.PCEP_1;
}
/**
* Returns sBit.
*
* @return sBit S bit
*/
public boolean sBit() {
return sBit;
}
/**
* Returns the raw value.
*
* @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(sBit);
}
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj instanceof PceccCapabilityTlv) {
PceccCapabilityTlv other = (PceccCapabilityTlv) obj;
if (isRawValueSet) {
return Objects.equals(this.rawValue, other.rawValue);
} else {
return Objects.equals(this.sBit, other.sBit);
}
}
return false;
}
@Override
public int write(ChannelBuffer c) {
int iLenStartIndex = c.writerIndex();
int temp = 0;
c.writeShort(TYPE);
c.writeShort(LENGTH);
if (isRawValueSet) {
c.writeInt(rawValue);
} else {
if (sBit) {
temp = temp | SBIT_CHECK;
}
c.writeInt(temp);
}
return c.writerIndex() - iLenStartIndex;
}
/**
* Reads channel buffer and returns object of PceccCapabilityTlv.
*
* @param c input channel buffer
* @return object of PceccCapabilityTlv
*/
public static PceccCapabilityTlv read(ChannelBuffer c) {
return PceccCapabilityTlv.of(c.readInt());
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("Type", TYPE)
.add("Length", LENGTH)
.add("rawValue", rawValue)
.toString();
}
}