openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/translator/ErrorTranslator.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.openflowplugin.openflow.md.util.ByteUtil;
  11 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.errors.rev131116.ErrorType;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeErrorNotification;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.NodeErrorNotificationBuilder;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev131103.TransactionId;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.ErrorMessage;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  17 import org.opendaylight.yangtools.yang.binding.DataObject;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 public class ErrorTranslator implements IMDMessageTranslator<OfHeader, List<DataObject>> {
  22
  23     protected static final Logger LOG = LoggerFactory.getLogger(ErrorTranslator.class);
  24
  25     @Override
  26     public List<DataObject> translate(SwitchConnectionDistinguisher cookie, SessionContext sc, OfHeader msg) {
  27         if (msg instanceof ErrorMessage) {
  28             ErrorMessage message = (ErrorMessage) msg;
  29             List<DataObject> list = new CopyOnWriteArrayList<DataObject>();
  30             LOG.error(" Error Message received: type={}[{}], code={}[{}], data={}[{}] ", message.getType(),
  31                     message.getTypeString(), message.getCode(), message.getCodeString(), new String(message.getData()),
  32                     ByteUtil.bytesToHexstring(message.getData(), " "));
  33
  34             // create a Node Error Notification event builder
  35             NodeErrorNotificationBuilder nodeErrBuilder = new NodeErrorNotificationBuilder();
  36
  37             // Fill in the Node Error Notification Builder object from the Error
  38             // Message
  39
  40             nodeErrBuilder.setTransactionId(new TransactionId(BigInteger.valueOf(message.getXid())));
  41
  42             nodeErrBuilder.setType(ErrorType.forValue(message.getType()));
  43
  44             nodeErrBuilder.setCode(message.getCode());
  45
  46             nodeErrBuilder.setData(new String(message.getData()));
  47
  48             // TODO -- Augmentation is not handled
  49
  50             // Note Error_TypeV10 is not handled.
  51
  52             NodeErrorNotification nodeErrorEvent = nodeErrBuilder.build();
  53             list.add(nodeErrorEvent);
  54             return list;
  55         } else {
  56             LOG.error("Message is not of Error Message ");
  57             return null;
  58         }
  59     }
  60
  61 }