Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 1 | /** |
| 2 | * Copyright (c) 2008 The Board of Trustees of The Leland Stanford Junior |
| 3 | * University |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 6 | * not use this file except in compliance with the License. You may obtain |
| 7 | * a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 13 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 14 | * License for the specific language governing permissions and limitations |
| 15 | * under the License. |
| 16 | **/ |
| 17 | |
| 18 | package org.openflow.protocol; |
| 19 | |
| 20 | import org.jboss.netty.buffer.ChannelBuffer; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 21 | import org.openflow.protocol.factory.OFVendorDataFactory; |
| 22 | import org.openflow.protocol.factory.OFVendorDataFactoryAware; |
| 23 | import org.openflow.protocol.vendor.OFVendorData; |
Jonathan Hart | a99ec67 | 2014-04-03 11:30:34 -0700 | [diff] [blame] | 24 | import org.openflow.util.U16; |
Umesh Krishnaswamy | 345ee99 | 2012-12-13 20:29:48 -0800 | [diff] [blame] | 25 | |
| 26 | /** |
| 27 | * Represents ofp_vendor_header |
| 28 | * @author David Erickson (daviderickson@cs.stanford.edu) |
| 29 | */ |
| 30 | public class OFVendor extends OFMessage implements OFVendorDataFactoryAware { |
| 31 | public static int MINIMUM_LENGTH = 12; |
| 32 | |
| 33 | protected int vendor; |
| 34 | protected OFVendorData vendorData; |
| 35 | protected OFVendorDataFactory vendorDataFactory; |
| 36 | |
| 37 | public OFVendor() { |
| 38 | super(); |
| 39 | this.type = OFType.VENDOR; |
| 40 | this.length = U16.t(MINIMUM_LENGTH); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * @return the vendor |
| 45 | */ |
| 46 | public int getVendor() { |
| 47 | return vendor; |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * @param vendor the vendor to set |
| 52 | */ |
| 53 | public void setVendor(int vendor) { |
| 54 | this.vendor = vendor; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @return the data |
| 59 | */ |
| 60 | public OFVendorData getVendorData() { |
| 61 | return vendorData; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * @param data the data to set |
| 66 | */ |
| 67 | public void setVendorData(OFVendorData vendorData) { |
| 68 | this.vendorData = vendorData; |
| 69 | } |
| 70 | |
| 71 | @Override |
| 72 | public void setVendorDataFactory(OFVendorDataFactory vendorDataFactory) { |
| 73 | this.vendorDataFactory = vendorDataFactory; |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public void readFrom(ChannelBuffer data) { |
| 78 | super.readFrom(data); |
| 79 | this.vendor = data.readInt(); |
| 80 | if (vendorDataFactory == null) |
| 81 | throw new RuntimeException("OFVendorDataFactory not set"); |
| 82 | |
| 83 | this.vendorData = vendorDataFactory.parseVendorData(vendor, |
| 84 | data, super.getLengthU() - MINIMUM_LENGTH); |
| 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public void writeTo(ChannelBuffer data) { |
| 89 | super.writeTo(data); |
| 90 | data.writeInt(this.vendor); |
| 91 | if (vendorData != null) |
| 92 | vendorData.writeTo(data); |
| 93 | } |
| 94 | |
| 95 | /* (non-Javadoc) |
| 96 | * @see java.lang.Object#hashCode() |
| 97 | */ |
| 98 | @Override |
| 99 | public int hashCode() { |
| 100 | final int prime = 337; |
| 101 | int result = super.hashCode(); |
| 102 | result = prime * result + vendor; |
| 103 | if (vendorData != null) |
| 104 | result = prime * result + vendorData.hashCode(); |
| 105 | return result; |
| 106 | } |
| 107 | |
| 108 | /* (non-Javadoc) |
| 109 | * @see java.lang.Object#equals(java.lang.Object) |
| 110 | */ |
| 111 | @Override |
| 112 | public boolean equals(Object obj) { |
| 113 | if (this == obj) |
| 114 | return true; |
| 115 | if (!super.equals(obj)) |
| 116 | return false; |
| 117 | if (getClass() != obj.getClass()) |
| 118 | return false; |
| 119 | OFVendor other = (OFVendor) obj; |
| 120 | if (vendor != other.vendor) |
| 121 | return false; |
| 122 | if (vendorData == null) { |
| 123 | if (other.vendorData != null) { |
| 124 | return false; |
| 125 | } |
| 126 | } else if (!vendorData.equals(other.vendorData)) { |
| 127 | return false; |
| 128 | } |
| 129 | return true; |
| 130 | } |
| 131 | } |