Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onosproject.pcepio.types; |
| 18 | |
| 19 | import java.util.Objects; |
| 20 | |
| 21 | import org.jboss.netty.buffer.ChannelBuffer; |
| 22 | import org.onosproject.pcepio.protocol.PcepVersion; |
| 23 | import org.slf4j.Logger; |
| 24 | import org.slf4j.LoggerFactory; |
| 25 | |
| 26 | import com.google.common.base.MoreObjects; |
| 27 | |
| 28 | /** |
| 29 | * NexthopUnnumberedIPv4IDTlv provides the next node's ID and Interface ID. |
| 30 | */ |
| 31 | public class NexthopUnnumberedIPv4IDTlv implements PcepValueType { |
| 32 | |
| 33 | /* |
| 34 | Reference : draft-zhao-pce-pcep-extension-for-pce-controller-01. |
| 35 | |
| 36 | 0 1 2 3 |
| 37 | 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 |
| 38 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 39 | | Type=TBD | Length = 12 | |
| 40 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 41 | | Node-ID | |
| 42 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 43 | | Interface ID | |
| 44 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 45 | |
| 46 | NEXTHOP-UNNUMBERED-IPV4-ID TLV |
| 47 | |
| 48 | */ |
| 49 | protected static final Logger log = LoggerFactory.getLogger(NexthopUnnumberedIPv4IDTlv.class); |
| 50 | |
| 51 | public static final short TYPE = 1; //to be defined |
| 52 | //Length is header + value |
| 53 | public static final short LENGTH = 12; |
| 54 | |
| 55 | private final int nodeID; |
| 56 | private final int interfaceID; |
| 57 | |
| 58 | /** |
| 59 | * constructor to initialize nodeID and interfaceID. |
| 60 | * |
| 61 | * @param nodeID node ID |
| 62 | * @param interfaceID interface ID |
| 63 | */ |
| 64 | public NexthopUnnumberedIPv4IDTlv(int nodeID, int interfaceID) { |
| 65 | this.nodeID = nodeID; |
| 66 | this.interfaceID = interfaceID; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Returns new object of NexthopUnnumberedIPv4IDTlv. |
| 71 | * |
| 72 | * @param nodeID node ID |
| 73 | * @param interfaceID interface ID |
| 74 | * @return NexthopUnnumberedIPv4IDTlv |
| 75 | */ |
| 76 | public static NexthopUnnumberedIPv4IDTlv of(int nodeID, int interfaceID) { |
| 77 | return new NexthopUnnumberedIPv4IDTlv(nodeID, interfaceID); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * Returns Node Id. |
| 82 | * |
| 83 | * @return node ID |
| 84 | */ |
| 85 | public int getNodeID() { |
| 86 | return nodeID; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Returns Interface Id. |
| 91 | * |
| 92 | * @return interface ID |
| 93 | */ |
| 94 | public int getInterfaceID() { |
| 95 | return interfaceID; |
| 96 | } |
| 97 | |
| 98 | @Override |
| 99 | public PcepVersion getVersion() { |
| 100 | return PcepVersion.PCEP_1; |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | public short getType() { |
| 105 | return TYPE; |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | public short getLength() { |
| 110 | return LENGTH; |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public int hashCode() { |
| 115 | return Objects.hash(nodeID, interfaceID); |
| 116 | } |
| 117 | |
| 118 | @Override |
| 119 | public boolean equals(Object obj) { |
| 120 | if (this == obj) { |
| 121 | return true; |
| 122 | } |
| 123 | if (obj instanceof NexthopUnnumberedIPv4IDTlv) { |
| 124 | NexthopUnnumberedIPv4IDTlv other = (NexthopUnnumberedIPv4IDTlv) obj; |
| 125 | return Objects.equals(this.nodeID, other.nodeID) && Objects.equals(this.interfaceID, other.interfaceID); |
| 126 | } |
| 127 | return false; |
| 128 | } |
| 129 | |
| 130 | @Override |
| 131 | public int write(ChannelBuffer c) { |
| 132 | int iLenStartIndex = c.writerIndex(); |
| 133 | c.writeShort(TYPE); |
| 134 | c.writeShort(LENGTH); |
| 135 | |
| 136 | c.writeInt(nodeID); |
| 137 | c.writeInt(interfaceID); |
| 138 | |
| 139 | return c.writerIndex() - iLenStartIndex; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Reads the channel buffer and returns object of NexthopUnnumberedIPv4IDTlv. |
| 144 | * |
| 145 | * @param cb type of channel buffer |
| 146 | * @return object of NexthopUnnumberedIPv4IDTlv |
| 147 | */ |
| 148 | public static NexthopUnnumberedIPv4IDTlv read(ChannelBuffer cb) { |
| 149 | int nodeID = cb.readInt(); |
| 150 | int interfaceID = cb.readInt(); |
| 151 | return new NexthopUnnumberedIPv4IDTlv(nodeID, interfaceID); |
| 152 | } |
| 153 | |
| 154 | @Override |
| 155 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 156 | return MoreObjects.toStringHelper(getClass()) |
| 157 | .add("Type", TYPE) |
| 158 | .add("Length", LENGTH) |
| 159 | .add("NodeId", nodeID) |
| 160 | .add("InterfaceId", interfaceID) |
| 161 | .toString(); |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 162 | } |
| 163 | } |