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