southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/QosRemovedCommand.java

   1 /*
   2  * Copyright (c) 2016 Intel Corporation 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.ovsdb.southbound.ovsdb.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.Map;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  16 import org.opendaylight.ovsdb.lib.notation.UUID;
  17 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  18 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  19 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 public class QosRemovedCommand implements TransactCommand {
  30     private static final Logger LOG = LoggerFactory.getLogger(QosRemovedCommand.class);
  31
  32     @Override
  33     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  34             final DataChangeEvent events, final InstanceIdentifierCodec instanceIdentifierCodec) {
  35         execute(transaction, state,
  36                 TransactUtils.extractOriginal(events, OvsdbNodeAugmentation.class),
  37                 TransactUtils.extractUpdated(events, OvsdbNodeAugmentation.class));
  38     }
  39
  40     @Override
  41     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  42             final Collection<DataTreeModification<Node>> modifications,
  43             final InstanceIdentifierCodec instanceIdentifierCodec) {
  44         execute(transaction, state,
  45                 TransactUtils.extractOriginal(modifications, OvsdbNodeAugmentation.class),
  46                 TransactUtils.extractUpdated(modifications, OvsdbNodeAugmentation.class));
  47     }
  48
  49     private static void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  50             final Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originals,
  51             final Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> updated) {
  52         for (Map.Entry<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originalEntry : originals
  53                 .entrySet()) {
  54             InstanceIdentifier<OvsdbNodeAugmentation> ovsdbNodeIid = originalEntry.getKey();
  55             OvsdbNodeAugmentation original = originalEntry.getValue();
  56             OvsdbNodeAugmentation update = updated.get(ovsdbNodeIid);
  57
  58             if (original != null && update != null) {
  59                 List<QosEntries> origQosEntries = original.getQosEntries();
  60                 List<QosEntries> updatedQosEntries = update.getQosEntries();
  61                 if (origQosEntries != null && !origQosEntries.isEmpty()) {
  62                     for (QosEntries origQosEntry : origQosEntries) {
  63                         OvsdbNodeAugmentation operNode =
  64                                 state.getBridgeNode(ovsdbNodeIid).get().augmentation(OvsdbNodeAugmentation.class);
  65                         List<QosEntries> operQosEntries = operNode.getQosEntries();
  66
  67                         boolean found = false;
  68                         if (updatedQosEntries != null && !updatedQosEntries.isEmpty()) {
  69                             for (QosEntries updatedQosEntry : updatedQosEntries) {
  70                                 if (origQosEntry.getQosId().equals(updatedQosEntry.getQosId())) {
  71                                     found = true;
  72                                     break;
  73                                 }
  74                             }
  75                         }
  76                         if (!found) {
  77                             LOG.debug("Received request to delete QoS entry {}", origQosEntry.getQosId());
  78                             Uuid qosUuid = getQosEntryUuid(operQosEntries, origQosEntry.getQosId());
  79                             if (qosUuid != null) {
  80                                 Qos qos = transaction.getTypedRowSchema(Qos.class);
  81                                 transaction.add(op.delete(qos.getSchema())
  82                                         .where(qos.getUuidColumn().getSchema().opEqual(new UUID(qosUuid.getValue())))
  83                                         .build());
  84                                 LOG.info("Removed QoS Uuid : {} for node : {} ",
  85                                         origQosEntry.getQosId(), ovsdbNodeIid);
  86                             } else {
  87                                 LOG.warn("Unable to delete QoS{} for node {} because it was not found in the "
  88                                         + "operational store, and thus we cannot retrieve its UUID",
  89                                         origQosEntry.getQosId(), ovsdbNodeIid);
  90                             }
  91                         }
  92                     }
  93                 }
  94             }
  95         }
  96     }
  97
  98     private static Uuid getQosEntryUuid(final List<QosEntries> operQosEntries, final Uri qosId) {
  99         if (operQosEntries != null && !operQosEntries.isEmpty()) {
 100             for (QosEntries qosEntry : operQosEntries) {
 101                 if (qosEntry.getQosId().equals(qosId)) {
 102                     return qosEntry.getQosUuid();
 103                 }
 104             }
 105         }
 106         return null;
 107     }
 108 }