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