IPacket.java
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/*******************************************************************************
* 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.
******************************************************************************/
/**
* Copyright 2011, Big Switch Networks, Inc.
* Originally created by David Erickson, Stanford University
*
* 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
* @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();
}