| /** |
| * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior |
| * 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.protocol; |
| |
| import org.jboss.netty.buffer.ChannelBuffer; |
| import org.openflow.util.U16; |
| import org.openflow.protocol.factory.OFVendorDataFactory; |
| import org.openflow.protocol.factory.OFVendorDataFactoryAware; |
| import org.openflow.protocol.vendor.OFVendorData; |
| |
| /** |
| * Represents ofp_vendor_header |
| * @author David Erickson (daviderickson@cs.stanford.edu) |
| */ |
| public class OFVendor extends OFMessage implements OFVendorDataFactoryAware { |
| public static int MINIMUM_LENGTH = 12; |
| |
| protected int vendor; |
| protected OFVendorData vendorData; |
| protected OFVendorDataFactory vendorDataFactory; |
| |
| public OFVendor() { |
| super(); |
| this.type = OFType.VENDOR; |
| this.length = U16.t(MINIMUM_LENGTH); |
| } |
| |
| /** |
| * @return the vendor |
| */ |
| public int getVendor() { |
| return vendor; |
| } |
| |
| /** |
| * @param vendor the vendor to set |
| */ |
| public void setVendor(int vendor) { |
| this.vendor = vendor; |
| } |
| |
| /** |
| * @return the data |
| */ |
| public OFVendorData getVendorData() { |
| return vendorData; |
| } |
| |
| /** |
| * @param data the data to set |
| */ |
| public void setVendorData(OFVendorData vendorData) { |
| this.vendorData = vendorData; |
| } |
| |
| @Override |
| public void setVendorDataFactory(OFVendorDataFactory vendorDataFactory) { |
| this.vendorDataFactory = vendorDataFactory; |
| } |
| |
| @Override |
| public void readFrom(ChannelBuffer data) { |
| super.readFrom(data); |
| this.vendor = data.readInt(); |
| if (vendorDataFactory == null) |
| throw new RuntimeException("OFVendorDataFactory not set"); |
| |
| this.vendorData = vendorDataFactory.parseVendorData(vendor, |
| data, super.getLengthU() - MINIMUM_LENGTH); |
| } |
| |
| @Override |
| public void writeTo(ChannelBuffer data) { |
| super.writeTo(data); |
| data.writeInt(this.vendor); |
| if (vendorData != null) |
| vendorData.writeTo(data); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| final int prime = 337; |
| int result = super.hashCode(); |
| result = prime * result + vendor; |
| if (vendorData != null) |
| result = prime * result + vendorData.hashCode(); |
| return result; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!super.equals(obj)) |
| return false; |
| if (getClass() != obj.getClass()) |
| return false; |
| OFVendor other = (OFVendor) obj; |
| if (vendor != other.vendor) |
| return false; |
| if (vendorData == null) { |
| if (other.vendorData != null) { |
| return false; |
| } |
| } else if (!vendorData.equals(other.vendorData)) { |
| return false; |
| } |
| return true; |
| } |
| } |