openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/translator/ExperimenterTranslator.java

   1 package org.opendaylight.openflowplugin.openflow.md.core.translator;
   2
   3 import java.math.BigInteger;
   4 import java.util.Collections;
   5 import java.util.List;
   6 import java.util.concurrent.CopyOnWriteArrayList;
   7
   8 import org.opendaylight.openflowplugin.openflow.md.core.IMDMessageTranslator;
   9 import org.opendaylight.openflowplugin.openflow.md.core.SwitchConnectionDistinguisher;
  10 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotification;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotificationBuilder;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  16 import org.opendaylight.yangtools.yang.binding.DataObject;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class ExperimenterTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
  21
  22         protected static final Logger LOG = LoggerFactory.getLogger(ExperimenterTranslator.class);
  23
  24         @Override
  25         public List<DataObject> translate(SwitchConnectionDistinguisher cookie,
  26                         SessionContext sc, OfHeader msg) {
  27                 if( msg instanceof ExperimenterMessage) {
  28                         ExperimenterMessage message = (ExperimenterMessage)msg ;
  29                         List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
  30                         LOG.error(" Experimenter Error Message received: Exp type={}, Exp Id={}, data={} ",
  31                         message.getExpType(), message.getExperimenter(),
  32                         new String(message.getData()) ) ;
  33
  34                         // create a Node Experimenter Error Notification event builder
  35                         NodeExperimenterErrorNotificationBuilder nodeErrBuilder = new NodeExperimenterErrorNotificationBuilder() ;
  36
  37                         nodeErrBuilder.setTransactionId(new TransactionId(BigInteger.valueOf( message.getXid() ))) ;
  38
  39                         // This is a fixed value 0xffff ( 65535 )
  40                         nodeErrBuilder.setType(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.errors.rev131116.ErrorType.Experimenter ) ;
  41
  42                         // The experimenterType is defined as long in ExperimenterMessage where is just needs to be integer
  43                         nodeErrBuilder.setExpType(message.getExpType().intValue() ) ;
  44
  45                         nodeErrBuilder.setExperimenterId(message.getExperimenter()) ;
  46
  47                         nodeErrBuilder.setData(new String (message.getData()) ) ;
  48
  49                         //Not handling Augmentation
  50
  51                         NodeExperimenterErrorNotification nodeExpErrorEvent = nodeErrBuilder.build();
  52                         list.add(nodeExpErrorEvent);
  53                         return list;
  54                 }else {
  55                         LOG.error( "Message is not of Experimenter Error Message " ) ;
  56                         return Collections.emptyList();
  57                 }
  58         }
  59
  60
  61 }