| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.SEGMENT_ADDRESS; |
| |
| /** |
| * Implementation of LISP segment address. |
| * When multiple organizations inside of a LISP site are using private addresses |
| * [RFC1918] as EID-prefixes, their address spaces must remain segregated due |
| * to possible address duplication. |
| */ |
| public class LispSegmentAddress extends AbstractExtension |
| implements ExtensionMappingAddress { |
| |
| private static final String INSTANCE_ID = "instanceId"; |
| private static final String ADDRESS = "address"; |
| |
| private int instanceId; |
| private MappingAddress address; |
| |
| /** |
| * Default constructor. |
| */ |
| public LispSegmentAddress() { |
| } |
| |
| /** |
| * Creates an instance with initialized parameters. |
| * |
| * @param instanceId instance id |
| * @param address address |
| */ |
| private LispSegmentAddress(int instanceId, MappingAddress address) { |
| this.instanceId = instanceId; |
| this.address = address; |
| } |
| |
| /** |
| * Obtains instance identifier. |
| * |
| * @return instance identifier |
| */ |
| public int getInstanceId() { |
| return instanceId; |
| } |
| |
| /** |
| * Obtains address. |
| * |
| * @return address |
| */ |
| public MappingAddress getAddress() { |
| return address; |
| } |
| |
| @Override |
| public ExtensionMappingAddressType type() { |
| return SEGMENT_ADDRESS.type(); |
| } |
| |
| @Override |
| public byte[] serialize() { |
| Map<String, Object> parameterMap = Maps.newHashMap(); |
| |
| parameterMap.put(INSTANCE_ID, instanceId); |
| parameterMap.put(ADDRESS, address); |
| |
| return APP_KRYO.serialize(parameterMap); |
| } |
| |
| @Override |
| public void deserialize(byte[] data) { |
| Map<String, Object> parameterMap = APP_KRYO.deserialize(data); |
| |
| this.instanceId = (int) parameterMap.get(INSTANCE_ID); |
| this.address = (MappingAddress) parameterMap.get(ADDRESS); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(address, instanceId); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof LispSegmentAddress) { |
| final LispSegmentAddress other = (LispSegmentAddress) obj; |
| return Objects.equals(this.address, other.address) && |
| Objects.equals(this.instanceId, other.instanceId); |
| } |
| return false; |
| } |
| |
| @Override |
| public String toString() { |
| return toStringHelper(type().toString()) |
| .add("address", address) |
| .add("instanceId", instanceId) |
| .toString(); |
| } |
| |
| /** |
| * A builder for building LispSegmentAddress. |
| */ |
| public static final class Builder { |
| private int instanceId; |
| private MappingAddress address; |
| |
| /** |
| * Sets instance identifer. |
| * |
| * @param instanceId instance identifier |
| * @return Builder object |
| */ |
| public Builder withInstanceId(int instanceId) { |
| this.instanceId = instanceId; |
| return this; |
| } |
| |
| /** |
| * Sets address. |
| * |
| * @param address mapping address |
| * @return Builder object |
| */ |
| public Builder withAddress(MappingAddress address) { |
| this.address = address; |
| return this; |
| } |
| |
| /** |
| * Builds LispSegmentAddress instance. |
| * |
| * @return LispSegmentAddress instance |
| */ |
| public LispSegmentAddress build() { |
| |
| return new LispSegmentAddress(instanceId, address); |
| } |
| } |
| } |