Thomas Vachuska | 24c849c | 2014-10-27 09:53:05 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2014-present Open Networking Foundation |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 3 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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 |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 7 | * |
Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 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. |
Thomas Vachuska | 24c849c | 2014-10-27 09:53:05 -0700 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 18 | |
| 19 | package org.onlab.packet; |
| 20 | |
| 21 | import java.util.Arrays; |
| 22 | |
Jian Li | 5fc1429 | 2015-12-04 11:30:46 -0800 | [diff] [blame] | 23 | import static com.google.common.base.MoreObjects.toStringHelper; |
Jonathan Hart | 2a65575 | 2015-04-07 16:46:33 -0700 | [diff] [blame] | 24 | import static org.onlab.packet.PacketUtils.*; |
| 25 | |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 26 | /** |
| 27 | * |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 28 | */ |
| 29 | public class Data extends BasePacket { |
| 30 | protected byte[] data; |
| 31 | |
| 32 | /** |
| 33 | * |
| 34 | */ |
| 35 | public Data() { |
Jonathan Hart | 2a65575 | 2015-04-07 16:46:33 -0700 | [diff] [blame] | 36 | data = new byte[0]; |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 37 | } |
| 38 | |
| 39 | /** |
Yuta HIGUCHI | 5c94727 | 2014-11-03 21:39:21 -0800 | [diff] [blame] | 40 | * @param data the data |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 41 | */ |
| 42 | public Data(final byte[] data) { |
| 43 | this.data = data; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * @return the data |
| 48 | */ |
| 49 | public byte[] getData() { |
| 50 | return this.data; |
| 51 | } |
| 52 | |
| 53 | /** |
| 54 | * @param data |
| 55 | * the data to set |
Yuta HIGUCHI | 5c94727 | 2014-11-03 21:39:21 -0800 | [diff] [blame] | 56 | * @return self |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 57 | */ |
| 58 | public Data setData(final byte[] data) { |
| 59 | this.data = data; |
| 60 | return this; |
| 61 | } |
| 62 | |
| 63 | @Override |
| 64 | public byte[] serialize() { |
| 65 | return this.data; |
| 66 | } |
| 67 | |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 68 | /* |
| 69 | * (non-Javadoc) |
| 70 | * |
| 71 | * @see java.lang.Object#hashCode() |
| 72 | */ |
| 73 | @Override |
| 74 | public int hashCode() { |
| 75 | final int prime = 1571; |
| 76 | int result = super.hashCode(); |
| 77 | result = prime * result + Arrays.hashCode(this.data); |
| 78 | return result; |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | * (non-Javadoc) |
| 83 | * |
| 84 | * @see java.lang.Object#equals(java.lang.Object) |
| 85 | */ |
| 86 | @Override |
| 87 | public boolean equals(final Object obj) { |
| 88 | if (this == obj) { |
| 89 | return true; |
| 90 | } |
| 91 | if (!super.equals(obj)) { |
| 92 | return false; |
| 93 | } |
| 94 | if (!(obj instanceof Data)) { |
| 95 | return false; |
| 96 | } |
| 97 | final Data other = (Data) obj; |
| 98 | if (!Arrays.equals(this.data, other.data)) { |
| 99 | return false; |
| 100 | } |
| 101 | return true; |
| 102 | } |
Jonathan Hart | 2a65575 | 2015-04-07 16:46:33 -0700 | [diff] [blame] | 103 | |
| 104 | /** |
| 105 | * Deserializer function for generic payload data. |
| 106 | * |
| 107 | * @return deserializer function |
| 108 | */ |
| 109 | public static Deserializer<Data> deserializer() { |
| 110 | return (data, offset, length) -> { |
| 111 | // Allow zero-length data for now |
| 112 | if (length == 0) { |
| 113 | return new Data(); |
| 114 | } |
| 115 | |
| 116 | checkInput(data, offset, length, 1); |
| 117 | |
| 118 | Data dataObject = new Data(); |
| 119 | |
| 120 | dataObject.data = Arrays.copyOfRange(data, offset, data.length); |
| 121 | |
| 122 | return dataObject; |
| 123 | }; |
| 124 | } |
| 125 | |
Jian Li | 5fc1429 | 2015-12-04 11:30:46 -0800 | [diff] [blame] | 126 | @Override |
| 127 | public String toString() { |
| 128 | return toStringHelper(getClass()) |
| 129 | .add("data", Arrays.toString(data)) |
| 130 | .toString(); |
| 131 | } |
alshabib | c4901cd | 2014-09-05 16:50:40 -0700 | [diff] [blame] | 132 | } |