| /* |
| * Copyright 2014-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.store.serializers; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| |
| import com.esotericsoftware.kryo.Kryo; |
| import com.esotericsoftware.kryo.Serializer; |
| import com.esotericsoftware.kryo.io.Input; |
| import com.esotericsoftware.kryo.io.Output; |
| |
| /** |
| * Kryo Serializer for {@link IpPrefix}. |
| */ |
| public final class IpPrefixSerializer extends Serializer<IpPrefix> { |
| |
| /** |
| * Creates {@link IpPrefix} serializer instance. |
| */ |
| public IpPrefixSerializer() { |
| // non-null, immutable |
| super(false, true); |
| } |
| |
| @Override |
| public void write(Kryo kryo, Output output, |
| IpPrefix object) { |
| byte[] octs = object.address().toOctets(); |
| output.writeInt(octs.length); |
| output.writeBytes(octs); |
| output.writeInt(object.prefixLength()); |
| } |
| |
| @Override |
| public IpPrefix read(Kryo kryo, Input input, |
| Class<IpPrefix> type) { |
| int octLen = input.readInt(); |
| checkArgument(octLen <= IpAddress.INET6_BYTE_LENGTH); |
| byte[] octs = new byte[octLen]; |
| input.readBytes(octs); |
| int prefLen = input.readInt(); |
| // Use the address size to decide whether it is IPv4 or IPv6 address |
| if (octLen == IpAddress.INET_BYTE_LENGTH) { |
| return IpPrefix.valueOf(IpAddress.Version.INET, octs, prefLen); |
| } |
| if (octLen == IpAddress.INET6_BYTE_LENGTH) { |
| return IpPrefix.valueOf(IpAddress.Version.INET6, octs, prefLen); |
| } |
| return null; // Shouldn't be reached |
| } |
| } |