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

   1 /**
   2  * Copyright (c) 2014 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributor: prasanna.huddar@ericsson.com
   9  */
  10 package org.opendaylight.openflowplugin.openflow.md.core.translator;
  11
  12 import java.math.BigInteger;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.concurrent.CopyOnWriteArrayList;
  16
  17 import org.opendaylight.openflowplugin.openflow.md.core.IMDMessageTranslator;
  18 import org.opendaylight.openflowplugin.openflow.md.core.SwitchConnectionDistinguisher;
  19 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotification;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeExperimenterErrorNotificationBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ExperimenterMessage;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class ExperimenterTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
  30
  31         protected static final Logger LOG = LoggerFactory.getLogger(ExperimenterTranslator.class);
  32
  33         @Override
  34         public List<DataObject> translate(SwitchConnectionDistinguisher cookie,
  35                         SessionContext sc, OfHeader msg) {
  36                 if( msg instanceof ExperimenterMessage) {
  37                         ExperimenterMessage message = (ExperimenterMessage)msg ;
  38                         List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
  39                         LOG.error(" Experimenter Error Message received: Exp type={}, Exp Id={}, data={} ",
  40                         message.getExpType(), message.getExperimenter(),
  41                         new String(message.getData()) ) ;
  42
  43                         // create a Node Experimenter Error Notification event builder
  44                         NodeExperimenterErrorNotificationBuilder nodeErrBuilder = new NodeExperimenterErrorNotificationBuilder() ;
  45
  46                         nodeErrBuilder.setTransactionId(new TransactionId(BigInteger.valueOf( message.getXid() ))) ;
  47
  48                         // This is a fixed value 0xffff ( 65535 )
  49                         nodeErrBuilder.setType(org.opendaylight.yang.gen.v1.urn.opendaylight.flow.errors.rev131116.ErrorType.Experimenter ) ;
  50
  51                         // The experimenterType is defined as long in ExperimenterMessage where is just needs to be integer
  52                         nodeErrBuilder.setExpType(message.getExpType().intValue() ) ;
  53
  54                         nodeErrBuilder.setExperimenterId(message.getExperimenter()) ;
  55
  56                         nodeErrBuilder.setData(new String (message.getData()) ) ;
  57
  58                         //Not handling Augmentation
  59
  60                         NodeExperimenterErrorNotification nodeExpErrorEvent = nodeErrBuilder.build();
  61                         list.add(nodeExpErrorEvent);
  62                         return list;
  63                 }else {
  64                         LOG.error( "Message is not of Experimenter Error Message " ) ;
  65                         return Collections.emptyList();
  66                 }
  67         }
  68
  69
  70 }