Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present 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.drivers.lisp.extensions; |
| 18 | |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 19 | import com.google.common.collect.Maps; |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 20 | import org.onosproject.mapping.addresses.ExtensionMappingAddress; |
| 21 | import org.onosproject.mapping.addresses.ExtensionMappingAddressType; |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 22 | import org.onosproject.mapping.addresses.MappingAddress; |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 23 | import org.onosproject.net.flow.AbstractExtension; |
| 24 | |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 25 | import java.util.Map; |
| 26 | import java.util.Objects; |
| 27 | |
| 28 | import static com.google.common.base.MoreObjects.toStringHelper; |
Jian Li | 299bc1d | 2017-03-17 19:17:40 +0900 | [diff] [blame] | 29 | import static org.onosproject.mapping.addresses.ExtensionMappingAddressType |
| 30 | .ExtensionMappingAddressTypes.SOURCE_DEST_ADDRESS; |
| 31 | |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 32 | /** |
Jian Li | 299bc1d | 2017-03-17 19:17:40 +0900 | [diff] [blame] | 33 | * Implementation of LISP source and destination address. |
| 34 | * When both a source and destination address of a flow need consideration for |
| 35 | * different locator-sets, this 2-tuple key is used in EID fields in LISP |
| 36 | * control messages. |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 37 | */ |
| 38 | public class LispSrcDstAddress extends AbstractExtension |
| 39 | implements ExtensionMappingAddress { |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 40 | |
| 41 | private static final String SRC_MASK_LENGTH = "srcMaskLength"; |
| 42 | private static final String DST_MASK_LENGTH = "dstMaskLength"; |
| 43 | private static final String SRC_PREFIX = "srcPrefix"; |
| 44 | private static final String DST_PREFIX = "dstPrefix"; |
| 45 | |
| 46 | private byte srcMaskLength; |
| 47 | private byte dstMaskLength; |
| 48 | private MappingAddress srcPrefix; |
| 49 | private MappingAddress dstPrefix; |
| 50 | |
| 51 | /** |
| 52 | * Default constructor. |
| 53 | */ |
| 54 | public LispSrcDstAddress() { |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Creates an instance with initialized parameters. |
| 59 | * |
| 60 | * @param srcMaskLength source mask length |
| 61 | * @param dstMaskLength destination mask length |
| 62 | * @param srcPrefix source address prefix |
| 63 | * @param dstPrefix destination address prefix |
| 64 | */ |
| 65 | private LispSrcDstAddress(byte srcMaskLength, byte dstMaskLength, |
| 66 | MappingAddress srcPrefix, MappingAddress dstPrefix) { |
| 67 | this.srcMaskLength = srcMaskLength; |
| 68 | this.dstMaskLength = dstMaskLength; |
| 69 | this.srcPrefix = srcPrefix; |
| 70 | this.dstPrefix = dstPrefix; |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * Obtains source mask length. |
| 75 | * |
| 76 | * @return source mask length |
| 77 | */ |
| 78 | public byte getSrcMaskLength() { |
| 79 | return srcMaskLength; |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Obtains destination mask length. |
| 84 | * |
| 85 | * @return destination mask length |
| 86 | */ |
| 87 | public byte getDstMaskLength() { |
| 88 | return dstMaskLength; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Obtains source address prefix. |
| 93 | * |
| 94 | * @return source address prefix |
| 95 | */ |
| 96 | public MappingAddress getSrcPrefix() { |
| 97 | return srcPrefix; |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Obtains destination address prefix. |
| 102 | * |
| 103 | * @return destination address prefix |
| 104 | */ |
| 105 | public MappingAddress getDstPrefix() { |
| 106 | return dstPrefix; |
| 107 | } |
| 108 | |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 109 | @Override |
| 110 | public ExtensionMappingAddressType type() { |
Jian Li | 299bc1d | 2017-03-17 19:17:40 +0900 | [diff] [blame] | 111 | return SOURCE_DEST_ADDRESS.type(); |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public byte[] serialize() { |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 116 | Map<String, Object> parameterMap = Maps.newHashMap(); |
| 117 | |
| 118 | parameterMap.put(SRC_MASK_LENGTH, srcMaskLength); |
| 119 | parameterMap.put(DST_MASK_LENGTH, dstMaskLength); |
| 120 | parameterMap.put(SRC_PREFIX, srcPrefix); |
| 121 | parameterMap.put(DST_PREFIX, dstPrefix); |
| 122 | |
| 123 | return APP_KRYO.serialize(parameterMap); |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 124 | } |
| 125 | |
| 126 | @Override |
| 127 | public void deserialize(byte[] data) { |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 128 | Map<String, Object> parameterMap = APP_KRYO.deserialize(data); |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 129 | |
Jian Li | 50b51ee | 2017-03-19 03:23:29 +0900 | [diff] [blame] | 130 | this.srcMaskLength = (byte) parameterMap.get(SRC_MASK_LENGTH); |
| 131 | this.dstMaskLength = (byte) parameterMap.get(DST_MASK_LENGTH); |
| 132 | this.srcPrefix = (MappingAddress) parameterMap.get(SRC_PREFIX); |
| 133 | this.dstPrefix = (MappingAddress) parameterMap.get(DST_PREFIX); |
| 134 | } |
| 135 | |
| 136 | @Override |
| 137 | public int hashCode() { |
| 138 | return Objects.hash(srcPrefix, dstPrefix, srcMaskLength, dstMaskLength); |
| 139 | } |
| 140 | |
| 141 | @Override |
| 142 | public boolean equals(Object obj) { |
| 143 | if (this == obj) { |
| 144 | return true; |
| 145 | } |
| 146 | |
| 147 | if (obj instanceof LispSrcDstAddress) { |
| 148 | final LispSrcDstAddress other = (LispSrcDstAddress) obj; |
| 149 | return Objects.equals(this.srcPrefix, other.srcPrefix) && |
| 150 | Objects.equals(this.dstPrefix, other.dstPrefix) && |
| 151 | Objects.equals(this.srcMaskLength, other.srcMaskLength) && |
| 152 | Objects.equals(this.dstMaskLength, other.dstMaskLength); |
| 153 | } |
| 154 | return false; |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public String toString() { |
| 159 | return toStringHelper(this) |
| 160 | .add("source prefix", srcPrefix) |
| 161 | .add("destination prefix", dstPrefix) |
| 162 | .add("source mask length", srcMaskLength) |
| 163 | .add("destination mask length", dstMaskLength) |
| 164 | .toString(); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * A builder for building LispSrcDstAddress. |
| 169 | */ |
| 170 | public static final class Builder { |
| 171 | private byte srcMaskLength; |
| 172 | private byte dstMaskLength; |
| 173 | private MappingAddress srcPrefix; |
| 174 | private MappingAddress dstPrefix; |
| 175 | |
| 176 | /** |
| 177 | * Sets source address prefix. |
| 178 | * |
| 179 | * @param srcPrefix source prefix |
| 180 | * @return Builder object |
| 181 | */ |
| 182 | public Builder withSrcPrefix(MappingAddress srcPrefix) { |
| 183 | this.srcPrefix = srcPrefix; |
| 184 | return this; |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Sets destination address prefix. |
| 189 | * |
| 190 | * @param dstPrefix destination prefix |
| 191 | * @return Builder object |
| 192 | */ |
| 193 | public Builder withDstPrefix(MappingAddress dstPrefix) { |
| 194 | this.dstPrefix = dstPrefix; |
| 195 | return this; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Sets source mask length. |
| 200 | * |
| 201 | * @param srcMaskLength source mask length |
| 202 | * @return Builder object |
| 203 | */ |
| 204 | public Builder withSrcMaskLength(byte srcMaskLength) { |
| 205 | this.srcMaskLength = srcMaskLength; |
| 206 | return this; |
| 207 | } |
| 208 | |
| 209 | /** |
| 210 | * Sets destination mask length. |
| 211 | * |
| 212 | * @param dstMaskLength destination mask length |
| 213 | * @return Builder object |
| 214 | */ |
| 215 | public Builder withDstMaskLength(byte dstMaskLength) { |
| 216 | this.dstMaskLength = dstMaskLength; |
| 217 | return this; |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * Builds LispSrcDstAddress instance. |
| 222 | * |
| 223 | * @return LispSrcDstAddress instance |
| 224 | */ |
| 225 | public LispSrcDstAddress build() { |
| 226 | |
| 227 | return new LispSrcDstAddress(srcMaskLength, dstMaskLength, |
| 228 | srcPrefix, dstPrefix); |
| 229 | } |
Jian Li | 3ff327a | 2017-03-14 17:02:19 +0900 | [diff] [blame] | 230 | } |
| 231 | } |