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 | * Provides StatefulLspErrorCodeTlv. |
| 30 | */ |
| 31 | public class StatefulLspErrorCodeTlv implements PcepValueType { |
| 32 | |
| 33 | /* LSP-ERROR-CODE TLV format |
| 34 | * |
| 35 | * Reference :PCEP Extensions for Stateful PCE draft-ietf-pce-stateful-pce-10 |
| 36 | * |
| 37 | |
| 38 | 0 1 2 3 |
| 39 | 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 |
| 40 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 41 | | Type=20 | Length=4 | |
| 42 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 43 | | LSP Error Code | |
| 44 | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
| 45 | |
| 46 | */ |
| 47 | |
| 48 | protected static final Logger log = LoggerFactory.getLogger(StatefulLspErrorCodeTlv.class); |
| 49 | |
| 50 | public static final short TYPE = 20; |
| 51 | public static final short LENGTH = 4; |
| 52 | private final int rawValue; |
| 53 | |
| 54 | /** |
| 55 | * Constructor to initialize raw Value. |
| 56 | * |
| 57 | * @param rawValue lsp error code value |
| 58 | */ |
| 59 | public StatefulLspErrorCodeTlv(int rawValue) { |
| 60 | this.rawValue = rawValue; |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Creates object of StatefulLspErrorCodeTlv. |
| 65 | * |
| 66 | * @param raw lsp error code value |
| 67 | * @return object of StatefulLspErrorCodeTlv |
| 68 | */ |
| 69 | public static StatefulLspErrorCodeTlv of(int raw) { |
| 70 | return new StatefulLspErrorCodeTlv(raw); |
| 71 | } |
| 72 | |
| 73 | @Override |
| 74 | public PcepVersion getVersion() { |
| 75 | return PcepVersion.PCEP_1; |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Returns lsp error code value. |
| 80 | * |
| 81 | * @return lsp error code value |
| 82 | */ |
| 83 | public int getInt() { |
| 84 | return rawValue; |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public short getLength() { |
| 89 | return LENGTH; |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public short getType() { |
| 94 | return TYPE; |
| 95 | } |
| 96 | |
| 97 | @Override |
| 98 | public int hashCode() { |
| 99 | return Objects.hash(rawValue); |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | public boolean equals(Object obj) { |
| 104 | if (this == obj) { |
| 105 | return true; |
| 106 | } |
| 107 | if (obj instanceof StatefulLspErrorCodeTlv) { |
| 108 | StatefulLspErrorCodeTlv other = (StatefulLspErrorCodeTlv) obj; |
| 109 | return Objects.equals(this.rawValue, other.rawValue); |
| 110 | } |
| 111 | return false; |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public int write(ChannelBuffer c) { |
| 116 | int iLenStartIndex = c.writerIndex(); |
| 117 | c.writeShort(TYPE); |
| 118 | c.writeShort(LENGTH); |
| 119 | c.writeInt(rawValue); |
| 120 | return c.writerIndex() - iLenStartIndex; |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Reads the channel buffer and returns object of StatefulLspErrorCodeTlv. |
| 125 | * |
| 126 | * @param c of type channel buffer |
| 127 | * @return object of StatefulLspErrorCodeTlv |
| 128 | */ |
| 129 | public static StatefulLspErrorCodeTlv read(ChannelBuffer c) { |
| 130 | return StatefulLspErrorCodeTlv.of(c.readInt()); |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public String toString() { |
Sho SHIMIZU | 7cdbcf7 | 2015-09-03 14:43:05 -0700 | [diff] [blame] | 135 | return MoreObjects.toStringHelper(getClass()) |
| 136 | .add("Type", TYPE) |
| 137 | .add("Length", LENGTH) |
| 138 | .add("Value", rawValue) |
Sho SHIMIZU | e81e4db | 2015-09-03 09:44:38 -0700 | [diff] [blame] | 139 | .toString(); |
| 140 | } |
| 141 | |
| 142 | } |