openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/translator/FeaturesV10ToNodeConnectorUpdatedTranslator.java

   1 /**
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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 package org.opendaylight.openflowplugin.openflow.md.core.translator;
   9
  10 import java.math.BigInteger;
  11 import java.util.Collections;
  12 import java.util.List;
  13 import java.util.concurrent.CopyOnWriteArrayList;
  14
  15 import org.opendaylight.openflowplugin.openflow.md.core.IMDMessageTranslator;
  16 import org.opendaylight.openflowplugin.openflow.md.core.SwitchConnectionDistinguisher;
  17 import org.opendaylight.openflowplugin.openflow.md.core.session.SessionContext;
  18 import org.opendaylight.openflowplugin.openflow.md.util.PortTranslatorUtil;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.features.reply.PhyPort;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 public class FeaturesV10ToNodeConnectorUpdatedTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
  27     protected static final Logger LOG = LoggerFactory
  28             .getLogger(FeaturesV10ToNodeConnectorUpdatedTranslator.class);
  29
  30     @Override
  31     public List<DataObject> translate(SwitchConnectionDistinguisher cookie,
  32             SessionContext sc, OfHeader msg) {
  33         if(msg instanceof GetFeaturesOutput) {
  34             GetFeaturesOutput features = (GetFeaturesOutput) msg;
  35             List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
  36             BigInteger datapathId = sc.getFeatures().getDatapathId();
  37             if( features.getPhyPort() != null ) {
  38                 for (PhyPort port : features.getPhyPort()) {
  39                     list.add(PortTranslatorUtil.translatePort(msg.getVersion(), datapathId, port.getPortNo(), port));
  40                 }
  41             }
  42             return list;
  43         } else {
  44             // TODO - Do something smarter than returning null if translation fails... what Exception should we throw here?
  45             return Collections.emptyList();
  46         }
  47     }
  48 }