third-party/openflow-codec/src/main/java/org/openflow/codec/protocol/OFPMultipartMessageBase.java

   1 package org.openflow.codec.protocol;
   2
   3 import java.util.List;
   4
   5 import org.openflow.codec.io.IDataBuffer;
   6 import org.openflow.codec.protocol.factory.OFPStatisticsFactory;
   7 import org.openflow.codec.protocol.factory.OFPStatisticsFactoryAware;
   8 import org.openflow.codec.protocol.statistics.OFPMultipartTypes;
   9 import org.openflow.codec.protocol.statistics.OFPStatistics;
  10
  11 /**
  12  * Base class for Multipart requests/replies
  13  *
  14  * @author David Erickson (daviderickson@cs.stanford.edu) - Mar 27, 2010
  15  * @author AnilGujele
  16  */
  17 public abstract class OFPMultipartMessageBase extends OFPMessage implements OFPStatisticsFactoryAware {
  18     public static int MINIMUM_LENGTH = 16;
  19
  20     protected OFPStatisticsFactory statisticsFactory;
  21     protected OFPMultipartTypes multipartType;
  22     protected short flags;
  23     protected List<OFPStatistics> statistics;
  24
  25     /**
  26      * @return the multipartType
  27      */
  28     public OFPMultipartTypes getMultipartType() {
  29         return multipartType;
  30     }
  31
  32     /**
  33      * @param multipartType
  34      *            the multipartType to set
  35      */
  36     public void setMultipartType(OFPMultipartTypes multipartType) {
  37         this.multipartType = multipartType;
  38     }
  39
  40     /**
  41      * @return the flags
  42      */
  43     public short getFlags() {
  44         return flags;
  45     }
  46
  47     /**
  48      * @param flags
  49      *            the flags to set
  50      */
  51     public void setFlags(short flags) {
  52         this.flags = flags;
  53     }
  54
  55     /**
  56      * @return the statistics
  57      */
  58     public List<OFPStatistics> getStatistics() {
  59         return statistics;
  60     }
  61
  62     /**
  63      * @param statistics
  64      *            the statistics to set
  65      */
  66     public void setStatistics(List<OFPStatistics> statistics) {
  67         this.statistics = statistics;
  68     }
  69
  70     @Override
  71     public void setStatisticsFactory(OFPStatisticsFactory statisticsFactory) {
  72         this.statisticsFactory = statisticsFactory;
  73     }
  74
  75     @Override
  76     public void readFrom(IDataBuffer data) {
  77         super.readFrom(data);
  78         this.multipartType = OFPMultipartTypes.valueOf(data.getShort(), this.getType());
  79         this.flags = data.getShort();
  80         data.getInt(); // pad
  81         if (this.statisticsFactory == null)
  82             throw new RuntimeException("OFPStatisticsFactory not set");
  83         this.statistics = statisticsFactory.parseStatistics(this.getType(), this.multipartType, data,
  84                 super.getLengthU() - MINIMUM_LENGTH);
  85     }
  86
  87     @Override
  88     public void writeTo(IDataBuffer data) {
  89         super.writeTo(data);
  90         data.putShort(this.multipartType.getTypeValue());
  91         data.putShort(this.flags);
  92         data.putInt(0); // pad
  93         if (this.statistics != null) {
  94             for (OFPStatistics statistic : this.statistics) {
  95                 statistic.writeTo(data);
  96             }
  97         }
  98     }
  99
 100     @Override
 101     public int hashCode() {
 102         final int prime = 317;
 103         int result = super.hashCode();
 104         result = prime * result + flags;
 105         result = prime * result + ((multipartType == null) ? 0 : multipartType.hashCode());
 106         result = prime * result + ((statistics == null) ? 0 : statistics.hashCode());
 107         return result;
 108     }
 109
 110     @Override
 111     public boolean equals(Object obj) {
 112         if (this == obj) {
 113             return true;
 114         }
 115         if (!super.equals(obj)) {
 116             return false;
 117         }
 118         if (!(obj instanceof OFPMultipartMessageBase)) {
 119             return false;
 120         }
 121         OFPMultipartMessageBase other = (OFPMultipartMessageBase) obj;
 122         if (flags != other.flags) {
 123             return false;
 124         }
 125         if (multipartType == null) {
 126             if (other.multipartType != null) {
 127                 return false;
 128             }
 129         } else if (!multipartType.equals(other.multipartType)) {
 130             return false;
 131         }
 132         if (statistics == null) {
 133             if (other.statistics != null) {
 134                 return false;
 135             }
 136         } else if (!statistics.equals(other.statistics)) {
 137             return false;
 138         }
 139         return true;
 140     }
 141 }