third-party/openflowj/src/main/java/org/openflow/protocol/action/OFActionDataLayer.java

   1 /**
   2  * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010
   3  */
   4 package org.openflow.protocol.action;
   5
   6 import java.nio.ByteBuffer;
   7 import java.util.Arrays;
   8
   9 import org.openflow.protocol.OFPhysicalPort;
  10
  11 /**
  12  * Represents an ofp_action_dl_addr
  13  * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 11, 2010
  14  */
  15 public abstract class OFActionDataLayer extends OFAction {
  16     public static int MINIMUM_LENGTH = 16;
  17
  18     protected byte[] dataLayerAddress;
  19
  20     /**
  21      * @return the dataLayerAddress
  22      */
  23     public byte[] getDataLayerAddress() {
  24         return dataLayerAddress;
  25     }
  26
  27     /**
  28      * @param dataLayerAddress the dataLayerAddress to set
  29      */
  30     public void setDataLayerAddress(byte[] dataLayerAddress) {
  31         this.dataLayerAddress = dataLayerAddress;
  32     }
  33
  34     @Override
  35     public void readFrom(ByteBuffer data) {
  36         super.readFrom(data);
  37         if (this.dataLayerAddress == null)
  38             this.dataLayerAddress = new byte[OFPhysicalPort.OFP_ETH_ALEN];
  39         data.get(this.dataLayerAddress);
  40         data.getInt();
  41         data.getShort();
  42     }
  43
  44     @Override
  45     public void writeTo(ByteBuffer data) {
  46         super.writeTo(data);
  47         data.put(this.dataLayerAddress, 0, OFPhysicalPort.OFP_ETH_ALEN);
  48         data.putInt(0);
  49         data.putShort((short) 0);
  50     }
  51
  52     @Override
  53     public int hashCode() {
  54         final int prime = 347;
  55         int result = super.hashCode();
  56         result = prime * result + Arrays.hashCode(dataLayerAddress);
  57         return result;
  58     }
  59
  60     @Override
  61     public boolean equals(Object obj) {
  62         if (this == obj) {
  63             return true;
  64         }
  65         if (!super.equals(obj)) {
  66             return false;
  67         }
  68         if (!(obj instanceof OFActionDataLayer)) {
  69             return false;
  70         }
  71         OFActionDataLayer other = (OFActionDataLayer) obj;
  72         if (!Arrays.equals(dataLayerAddress, other.dataLayerAddress)) {
  73             return false;
  74         }
  75         return true;
  76     }
  77 }