| /* |
| * Copyright 2015-present 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(); |
| } |
| } |