+++ /dev/null
-/**
-* Copyright 2011, Big Switch Networks, Inc.
-* Originally created by David Erickson & Rob Sherwood, 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.openflow.vendor.nicira;
-
-import org.jboss.netty.buffer.ChannelBuffer;
-import org.openflow.protocol.vendor.OFVendorData;
-
-/**
- * Base class for vendor data corresponding to a Nicira vendor extension.
- * Nicira vendor data always starts with a 4-byte integer data type value.
- *
- * @author Rob Vaterlaus (rob.vaterlaus@bigswitch.com)
- */
-public class OFNiciraVendorData implements OFVendorData {
-
- public static final int NX_VENDOR_ID = 0x00002320;
- /**
- * The value of the integer data type at the beginning of the vendor data
- */
- protected int dataType;
-
- /**
- * Construct empty (i.e. unspecified data type) Nicira vendor data.
- */
- public OFNiciraVendorData() {
- }
-
- /**
- * Contruct Nicira vendor data with the specified data type
- * @param dataType the data type value at the beginning of the vendor data.
- */
- public OFNiciraVendorData(int dataType) {
- this.dataType = dataType;
- }
-
- /**
- * Get the data type value at the beginning of the vendor data
- * @return the integer data type value
- */
- public int getDataType() {
- return dataType;
- }
-
- /**
- * Set the data type value
- * @param dataType the integer data type value at the beginning of the
- * vendor data.
- */
- public void setDataType(int dataType) {
- this.dataType = dataType;
- }
-
- /**
- * Get the length of the vendor data. This implementation will normally
- * be the superclass for another class that will override this to return
- * the overall vendor data length. This implementation just returns the
- * length of the part that includes the 4-byte integer data type value
- * at the beginning of the vendor data.
- */
- @Override
- public int getLength() {
- return 4;
- }
-
- /**
- * Read the vendor data from the ChannelBuffer
- * @param data the channel buffer from which we're deserializing
- * @param length the length to the end of the enclosing message
- */
- @Override
- public void readFrom(ChannelBuffer data, int length) {
- dataType = data.readInt();
- }
-
- /**
- * Write the vendor data to the ChannelBuffer
- * @param data the channel buffer to which we're serializing
- */
- @Override
- public void writeTo(ChannelBuffer data) {
- data.writeInt(dataType);
- }
-}