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
   9 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import java.util.Collection;
  14 import java.util.List;
  15 import java.util.Map;
  16
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  18 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  19 import org.opendaylight.ovsdb.lib.notation.UUID;
  20 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  21 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  22 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yangtools.yang.binding.DataObject;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class QosRemovedCommand implements TransactCommand {
  34     private static final Logger LOG = LoggerFactory.getLogger(QosRemovedCommand.class);
  35
  36     @Override
  37     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  38                         AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  39         execute(transaction, state,
  40                 TransactUtils.extractOriginal(events, OvsdbNodeAugmentation.class),
  41                 TransactUtils.extractUpdated(events, OvsdbNodeAugmentation.class));
  42     }
  43
  44     @Override
  45     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  46                         Collection<DataTreeModification<Node>> modifications) {
  47         execute(transaction, state,
  48                 TransactUtils.extractOriginal(modifications, OvsdbNodeAugmentation.class),
  49                 TransactUtils.extractUpdated(modifications, OvsdbNodeAugmentation.class));
  50     }
  51
  52     private void execute(TransactionBuilder transaction, BridgeOperationalState state,
  53                         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originals,
  54                         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> updated) {
  55         for (Map.Entry<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originalEntry : originals
  56                 .entrySet()) {
  57             InstanceIdentifier<OvsdbNodeAugmentation> ovsdbNodeIid = originalEntry.getKey();
  58             OvsdbNodeAugmentation original = originalEntry.getValue();
  59             OvsdbNodeAugmentation update = updated.get(ovsdbNodeIid);
  60
  61             if (original != null && update != null) {
  62                 List<QosEntries> origQosEntries = original.getQosEntries();
  63                 List<QosEntries> updatedQosEntries = update.getQosEntries();
  64                 if (origQosEntries != null && !origQosEntries.isEmpty()) {
  65                     for (QosEntries origQosEntry : origQosEntries) {
  66                         OvsdbNodeAugmentation operNode =
  67                                 state.getBridgeNode(ovsdbNodeIid).get().getAugmentation(OvsdbNodeAugmentation.class);
  68                         List<QosEntries> operQosEntries = operNode.getQosEntries();
  69
  70                         boolean found = false;
  71                         if (updatedQosEntries != null && !updatedQosEntries.isEmpty()) {
  72                             for (QosEntries updatedQosEntry : updatedQosEntries) {
  73                                 if (origQosEntry.getQosId().equals(updatedQosEntry.getQosId())) {
  74                                     found = true;
  75                                     break;
  76                                 }
  77                             }
  78                         }
  79                         if (!found) {
  80                             LOG.debug("Received request to delete QoS entry {}", origQosEntry.getQosId());
  81                             Uuid qosUuid = getQosEntryUuid(operQosEntries, origQosEntry.getQosId());
  82                             if (qosUuid != null) {
  83                                 Qos qos =
  84                                         TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Qos.class, null);
  85                                 transaction.add(op.delete(qos.getSchema())
  86                                         .where(qos.getUuidColumn().getSchema().opEqual(new UUID(qosUuid.getValue())))
  87                                         .build());
  88                                 LOG.info("Removed QoS Uuid : {} for node : {} ",
  89                                         origQosEntry.getQosId(), ovsdbNodeIid);
  90                             } else {
  91                                 LOG.warn("Unable to delete QoS{} for node {} because it was not found in the "
  92                                         + "operational store, and thus we cannot retrieve its UUID",
  93                                         origQosEntry.getQosId(), ovsdbNodeIid);
  94                             }
  95                         }
  96                     }
  97                 }
  98             }
  99         }
 100     }
 101
 102     private Uuid getQosEntryUuid(List<QosEntries> operQosEntries, Uri qosId) {
 103         if (operQosEntries != null && !operQosEntries.isEmpty()) {
 104             for (QosEntries qosEntry : operQosEntries) {
 105                 if (qosEntry.getQosId().equals(qosId)) {
 106                     return qosEntry.getQosUuid();
 107                 }
 108             }
 109         }
 110         return null;
 111     }
 112
 113 }