qosservice/impl/src/main/java/org/opendaylight/netvirt/qosservice/QosNeutronPortChangeListener.java

   1 /*
   2  * Copyright (c) 2017 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.netvirt.qosservice;
   9
  10 import javax.annotation.PostConstruct;
  11 import javax.inject.Inject;
  12 import javax.inject.Singleton;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  16 import org.opendaylight.genius.srm.RecoverableListener;
  17 import org.opendaylight.genius.srm.ServiceRecoveryRegistry;
  18 import org.opendaylight.netvirt.qosservice.recovery.QosServiceRecoveryHandler;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosPortExtension;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 @Singleton
  28 public class QosNeutronPortChangeListener extends AsyncClusteredDataTreeChangeListenerBase<Port,
  29                                              QosNeutronPortChangeListener> implements RecoverableListener {
  30     private static final Logger LOG = LoggerFactory.getLogger(QosNeutronPortChangeListener.class);
  31     private final DataBroker dataBroker;
  32     private final QosAlertManager qosAlertManager;
  33     private final QosNeutronUtils qosNeutronUtils;
  34
  35     @Inject
  36     public QosNeutronPortChangeListener(final DataBroker dataBroker, final QosAlertManager qosAlertManager,
  37             final QosNeutronUtils qosNeutronUtils, final QosServiceRecoveryHandler qosServiceRecoveryHandler,
  38                                         final ServiceRecoveryRegistry serviceRecoveryRegistry) {
  39         super(Port.class, QosNeutronPortChangeListener.class);
  40         this.dataBroker = dataBroker;
  41         this.qosAlertManager = qosAlertManager;
  42         this.qosNeutronUtils = qosNeutronUtils;
  43         serviceRecoveryRegistry.addRecoverableListener(qosServiceRecoveryHandler.buildServiceRegistryKey(),
  44                 this);
  45         LOG.debug("{} created",  getClass().getSimpleName());
  46     }
  47
  48     @PostConstruct
  49     public void init() {
  50         registerListener();
  51         LOG.debug("{} init and registerListener done", getClass().getSimpleName());
  52     }
  53
  54     @Override
  55     protected InstanceIdentifier<Port> getWildCardPath() {
  56         return InstanceIdentifier.create(Neutron.class).child(Ports.class).child(Port.class);
  57     }
  58
  59     @Override
  60     public void registerListener() {
  61         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  62     }
  63
  64     @Override
  65     protected QosNeutronPortChangeListener getDataTreeChangeListener() {
  66         return QosNeutronPortChangeListener.this;
  67     }
  68
  69     @Override
  70     protected void add(InstanceIdentifier<Port> instanceIdentifier, Port port) {
  71         qosNeutronUtils.addToPortCache(port);
  72         if (qosNeutronUtils.hasBandwidthLimitRule(port)) {
  73             qosAlertManager.addToQosAlertCache(port);
  74         }
  75     }
  76
  77     @Override
  78     protected void remove(InstanceIdentifier<Port> instanceIdentifier, Port port) {
  79         qosNeutronUtils.removeFromPortCache(port);
  80         if (qosNeutronUtils.hasBandwidthLimitRule(port)) {
  81             qosAlertManager.removeFromQosAlertCache(port);
  82         }
  83     }
  84
  85     @Override
  86     protected void update(InstanceIdentifier<Port> instanceIdentifier, Port original, Port update) {
  87         qosNeutronUtils.addToPortCache(update);
  88         // check for QoS updates
  89         QosPortExtension updateQos = update.getAugmentation(QosPortExtension.class);
  90         QosPortExtension originalQos = original.getAugmentation(QosPortExtension.class);
  91
  92         if (originalQos == null && updateQos != null) {
  93             // qosservice policy add
  94             qosNeutronUtils.addToQosPortsCache(updateQos.getQosPolicyId(), update);
  95             qosNeutronUtils.handleNeutronPortQosAdd(update, updateQos.getQosPolicyId());
  96         } else if (originalQos != null && updateQos != null
  97                 && !originalQos.getQosPolicyId().equals(updateQos.getQosPolicyId())) {
  98
  99             // qosservice policy update
 100             qosNeutronUtils.removeFromQosPortsCache(originalQos.getQosPolicyId(), original);
 101             qosNeutronUtils.addToQosPortsCache(updateQos.getQosPolicyId(), update);
 102             qosNeutronUtils.handleNeutronPortQosUpdate(update, updateQos.getQosPolicyId(),
 103                     originalQos.getQosPolicyId());
 104         } else if (originalQos != null && updateQos == null) {
 105             // qosservice policy delete
 106             qosNeutronUtils.handleNeutronPortQosRemove(original, originalQos.getQosPolicyId());
 107             qosNeutronUtils.removeFromQosPortsCache(originalQos.getQosPolicyId(), original);
 108         }
 109
 110         if (qosNeutronUtils.hasBandwidthLimitRule(original)
 111                                         && !qosNeutronUtils.hasBandwidthLimitRule(update)) {
 112             qosAlertManager.removeFromQosAlertCache(original);
 113         } else if (!qosNeutronUtils.hasBandwidthLimitRule(original)
 114                                           && qosNeutronUtils.hasBandwidthLimitRule(update)) {
 115             qosAlertManager.addToQosAlertCache(update);
 116         }
 117     }
 118 }