| /* |
| * Copyright 2017-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.drivers.lisp.extensions; |
| |
| import com.google.common.collect.Maps; |
| import org.onosproject.mapping.addresses.ExtensionMappingAddress; |
| import org.onosproject.mapping.addresses.ExtensionMappingAddressType; |
| import org.onosproject.mapping.addresses.MappingAddress; |
| import org.onosproject.net.flow.AbstractExtension; |
| |
| import java.util.Map; |
| import java.util.Objects; |
| |
| import static com.google.common.base.MoreObjects.toStringHelper; |
| import static org.onosproject.mapping.addresses.ExtensionMappingAddressType |
| .ExtensionMappingAddressTypes.SOURCE_DEST_ADDRESS; |
| |
| /** |
| * Implementation of LISP source and destination address. |
| * When both a source and destination address of a flow need consideration for |
| * different locator-sets, this 2-tuple key is used in EID fields in LISP |
| * control messages. |
| */ |
| public class LispSrcDstAddress extends AbstractExtension |
| implements ExtensionMappingAddress { |
| |
| private static final String SRC_MASK_LENGTH = "srcMaskLength"; |
| private static final String DST_MASK_LENGTH = "dstMaskLength"; |
| private static final String SRC_PREFIX = "srcPrefix"; |
| private static final String DST_PREFIX = "dstPrefix"; |
| |
| private byte srcMaskLength; |
| private byte dstMaskLength; |
| private MappingAddress srcPrefix; |
| private MappingAddress dstPrefix; |
| |
| /** |
| * Default constructor. |
| */ |
| public LispSrcDstAddress() { |
| } |
| |
| /** |
| * Creates an instance with initialized parameters. |
| * |
| * @param srcMaskLength source mask length |
| * @param dstMaskLength destination mask length |
| * @param srcPrefix source address prefix |
| * @param dstPrefix destination address prefix |
| */ |
| private LispSrcDstAddress(byte srcMaskLength, byte dstMaskLength, |
| MappingAddress srcPrefix, MappingAddress dstPrefix) { |
| this.srcMaskLength = srcMaskLength; |
| this.dstMaskLength = dstMaskLength; |
| this.srcPrefix = srcPrefix; |
| this.dstPrefix = dstPrefix; |
| } |
| |
| /** |
| * Obtains source mask length. |
| * |
| * @return source mask length |
| */ |
| public byte getSrcMaskLength() { |
| return srcMaskLength; |
| } |
| |
| /** |
| * Obtains destination mask length. |
| * |
| * @return destination mask length |
| */ |
| public byte getDstMaskLength() { |
| return dstMaskLength; |
| } |
| |
| /** |
| * Obtains source address prefix. |
| * |
| * @return source address prefix |
| */ |
| public MappingAddress getSrcPrefix() { |
| return srcPrefix; |
| } |
| |
| /** |
| * Obtains destination address prefix. |
| * |
| * @return destination address prefix |
| */ |
| public MappingAddress getDstPrefix() { |
| return dstPrefix; |
| } |
| |
| @Override |
| public ExtensionMappingAddressType type() { |
| return SOURCE_DEST_ADDRESS.type(); |
| } |
| |
| @Override |
| public byte[] serialize() { |
| Map<String, Object> parameterMap = Maps.newHashMap(); |
| |
| parameterMap.put(SRC_MASK_LENGTH, srcMaskLength); |
| parameterMap.put(DST_MASK_LENGTH, dstMaskLength); |
| parameterMap.put(SRC_PREFIX, srcPrefix); |
| parameterMap.put(DST_PREFIX, dstPrefix); |
| |
| return APP_KRYO.serialize(parameterMap); |
| } |
| |
| @Override |
| public void deserialize(byte[] data) { |
| Map<String, Object> parameterMap = APP_KRYO.deserialize(data); |
| |
| this.srcMaskLength = (byte) parameterMap.get(SRC_MASK_LENGTH); |
| this.dstMaskLength = (byte) parameterMap.get(DST_MASK_LENGTH); |
| this.srcPrefix = (MappingAddress) parameterMap.get(SRC_PREFIX); |
| this.dstPrefix = (MappingAddress) parameterMap.get(DST_PREFIX); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(srcPrefix, dstPrefix, srcMaskLength, dstMaskLength); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof LispSrcDstAddress) { |
| final LispSrcDstAddress other = (LispSrcDstAddress) obj; |
| return Objects.equals(this.srcPrefix, other.srcPrefix) && |
| Objects.equals(this.dstPrefix, other.dstPrefix) && |
| Objects.equals(this.srcMaskLength, other.srcMaskLength) && |
| Objects.equals(this.dstMaskLength, other.dstMaskLength); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(type().toString()) |
| .add("source prefix", srcPrefix) |
| .add("destination prefix", dstPrefix) |
| .add("source mask length", srcMaskLength) |
| .add("destination mask length", dstMaskLength) |
| .toString(); |
| } |
| |
| /** |
| * A builder for building LispSrcDstAddress. |
| */ |
| public static final class Builder { |
| private byte srcMaskLength; |
| private byte dstMaskLength; |
| private MappingAddress srcPrefix; |
| private MappingAddress dstPrefix; |
| |
| /** |
| * Sets source address prefix. |
| * |
| * @param srcPrefix source prefix |
| * @return Builder object |
| */ |
| public Builder withSrcPrefix(MappingAddress srcPrefix) { |
| this.srcPrefix = srcPrefix; |
| return this; |
| } |
| |
| /** |
| * Sets destination address prefix. |
| * |
| * @param dstPrefix destination prefix |
| * @return Builder object |
| */ |
| public Builder withDstPrefix(MappingAddress dstPrefix) { |
| this.dstPrefix = dstPrefix; |
| return this; |
| } |
| |
| /** |
| * Sets source mask length. |
| * |
| * @param srcMaskLength source mask length |
| * @return Builder object |
| */ |
| public Builder withSrcMaskLength(byte srcMaskLength) { |
| this.srcMaskLength = srcMaskLength; |
| return this; |
| } |
| |
| /** |
| * Sets destination mask length. |
| * |
| * @param dstMaskLength destination mask length |
| * @return Builder object |
| */ |
| public Builder withDstMaskLength(byte dstMaskLength) { |
| this.dstMaskLength = dstMaskLength; |
| return this; |
| } |
| |
| /** |
| * Builds LispSrcDstAddress instance. |
| * |
| * @return LispSrcDstAddress instance |
| */ |
| public LispSrcDstAddress build() { |
| |
| return new LispSrcDstAddress(srcMaskLength, dstMaskLength, |
| srcPrefix, dstPrefix); |
| } |
| } |
| } |