| /* |
| * Copyright 2014 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.onlab.packet; |
| |
| /** |
| * |
| */ |
| public interface IPacket { |
| /** |
| * |
| * @return the payload |
| */ |
| public IPacket getPayload(); |
| |
| /** |
| * |
| * @param packet new payload |
| * @return self |
| */ |
| public IPacket setPayload(IPacket packet); |
| |
| /** |
| * |
| * @return parent packet |
| */ |
| public IPacket getParent(); |
| |
| /** |
| * |
| * @param packet new parent |
| * @return self |
| */ |
| public IPacket setParent(IPacket packet); |
| |
| /** |
| * Reset any checksums as needed, and call resetChecksum on all parents. |
| */ |
| public void resetChecksum(); |
| |
| /** |
| * Sets all payloads parent packet if applicable, then serializes this |
| * packet and all payloads. |
| * |
| * @return a byte[] containing this packet and payloads |
| */ |
| public byte[] serialize(); |
| |
| /** |
| * Deserializes this packet layer and all possible payloads. |
| * |
| * @param data bytes to deserialize |
| * @param offset |
| * offset to start deserializing from |
| * @param length |
| * length of the data to deserialize |
| * @return the deserialized data |
| */ |
| public IPacket deserialize(byte[] data, int offset, int length); |
| |
| /** |
| * Clone this packet and its payload packet but not its parent. |
| * |
| * @return the clone |
| */ |
| public Object clone(); |
| } |