/* | |
* 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; | |
/** | |
* NexthopUnnumberedIPv4IDTlv provides the next node's ID and Interface ID. | |
*/ | |
public class NexthopUnnumberedIPv4IDTlv implements PcepValueType { | |
/* | |
Reference : draft-zhao-pce-pcep-extension-for-pce-controller-01. | |
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 = 12 | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| Node-ID | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
| Interface ID | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | |
NEXTHOP-UNNUMBERED-IPV4-ID TLV | |
*/ | |
protected static final Logger log = LoggerFactory.getLogger(NexthopUnnumberedIPv4IDTlv.class); | |
public static final short TYPE = 1; //to be defined | |
//Length is header + value | |
public static final short LENGTH = 12; | |
private final int nodeID; | |
private final int interfaceID; | |
/** | |
* constructor to initialize nodeID and interfaceID. | |
* | |
* @param nodeID node ID | |
* @param interfaceID interface ID | |
*/ | |
public NexthopUnnumberedIPv4IDTlv(int nodeID, int interfaceID) { | |
this.nodeID = nodeID; | |
this.interfaceID = interfaceID; | |
} | |
/** | |
* Returns new object of NexthopUnnumberedIPv4IDTlv. | |
* | |
* @param nodeID node ID | |
* @param interfaceID interface ID | |
* @return NexthopUnnumberedIPv4IDTlv | |
*/ | |
public static NexthopUnnumberedIPv4IDTlv of(int nodeID, int interfaceID) { | |
return new NexthopUnnumberedIPv4IDTlv(nodeID, interfaceID); | |
} | |
/** | |
* Returns Node Id. | |
* | |
* @return node ID | |
*/ | |
public int getNodeID() { | |
return nodeID; | |
} | |
/** | |
* Returns Interface Id. | |
* | |
* @return interface ID | |
*/ | |
public int getInterfaceID() { | |
return interfaceID; | |
} | |
@Override | |
public PcepVersion getVersion() { | |
return PcepVersion.PCEP_1; | |
} | |
@Override | |
public short getType() { | |
return TYPE; | |
} | |
@Override | |
public short getLength() { | |
return LENGTH; | |
} | |
@Override | |
public int hashCode() { | |
return Objects.hash(nodeID, interfaceID); | |
} | |
@Override | |
public boolean equals(Object obj) { | |
if (this == obj) { | |
return true; | |
} | |
if (obj instanceof NexthopUnnumberedIPv4IDTlv) { | |
NexthopUnnumberedIPv4IDTlv other = (NexthopUnnumberedIPv4IDTlv) obj; | |
return Objects.equals(this.nodeID, other.nodeID) && Objects.equals(this.interfaceID, other.interfaceID); | |
} | |
return false; | |
} | |
@Override | |
public int write(ChannelBuffer c) { | |
int iLenStartIndex = c.writerIndex(); | |
c.writeShort(TYPE); | |
c.writeShort(LENGTH); | |
c.writeInt(nodeID); | |
c.writeInt(interfaceID); | |
return c.writerIndex() - iLenStartIndex; | |
} | |
/** | |
* Reads the channel buffer and returns object of NexthopUnnumberedIPv4IDTlv. | |
* | |
* @param cb type of channel buffer | |
* @return object of NexthopUnnumberedIPv4IDTlv | |
*/ | |
public static NexthopUnnumberedIPv4IDTlv read(ChannelBuffer cb) { | |
int nodeID = cb.readInt(); | |
int interfaceID = cb.readInt(); | |
return new NexthopUnnumberedIPv4IDTlv(nodeID, interfaceID); | |
} | |
@Override | |
public String toString() { | |
return MoreObjects.toStringHelper(getClass()).add("Type", TYPE).add("Length", LENGTH).add("NodeId", nodeID) | |
.add("InterfaceId", interfaceID).toString(); | |
} | |
} |