| /* |
| * Copyright 2016-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.lisp.msg.types; |
| |
| import io.netty.buffer.ByteBuf; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.lisp.msg.exceptions.LispParseError; |
| import org.onosproject.lisp.msg.exceptions.LispWriterException; |
| |
| import java.util.Objects; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| /** |
| * IPv4 address that is used by LISP Locator. |
| */ |
| public class LispIpv4Address extends LispIpAddress { |
| |
| /** |
| * Initializes LISP locator's IPv4 address. |
| * |
| * @param address IP address |
| */ |
| public LispIpv4Address(IpAddress address) { |
| super(address, AddressFamilyIdentifierEnum.IP4); |
| checkArgument(address.isIp4()); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| |
| if (obj instanceof LispIpv4Address) { |
| final LispIpv4Address other = (LispIpv4Address) obj; |
| return Objects.equals(this.address, other.address) && |
| Objects.equals(this.getAfi(), other.getAfi()); |
| } |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(address, getAfi()); |
| } |
| |
| /** |
| * IPv4 address reader class. |
| */ |
| public static class Ipv4AddressReader implements LispAddressReader<LispIpv4Address> { |
| |
| private static final int SIZE_OF_IPV4_ADDRESS = 4; |
| |
| @Override |
| public LispIpv4Address readFrom(ByteBuf byteBuf) throws LispParseError { |
| |
| byte[] ipByte = new byte[SIZE_OF_IPV4_ADDRESS]; |
| byteBuf.readBytes(ipByte); |
| IpAddress ipAddress = IpAddress.valueOf(IpAddress.Version.INET, ipByte); |
| |
| return new LispIpv4Address(ipAddress); |
| } |
| } |
| |
| /** |
| * IPv4 address writer class. |
| */ |
| public static class Ipv4AddressWriter implements LispAddressWriter<LispIpv4Address> { |
| |
| @Override |
| public void writeTo(ByteBuf byteBuf, LispIpv4Address address) throws LispWriterException { |
| byte[] ipByte = address.getAddress().getIp4Address().toOctets(); |
| byteBuf.writeBytes(ipByte); |
| } |
| } |
| } |