interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/listeners/InterfaceConfigListener.java

   1 /*
   2  * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. 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.vpnservice.interfacemgr.listeners;
  10
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.idmanager.IdManager;
  14 import org.opendaylight.vpnservice.datastoreutils.AsyncDataTreeChangeListenerBase;
  15 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.confighelpers.OvsInterfaceConfigAddHelper;
  17 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.confighelpers.OvsInterfaceConfigRemoveHelper;
  18 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.confighelpers.OvsInterfaceConfigUpdateHelper;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import java.util.List;
  29 import java.util.concurrent.Callable;
  30
  31 /**
  32  * This class listens for interface creation/removal/update in Configuration DS.
  33  * This is used to handle interfaces for base of-ports.
  34  */
  35 public class InterfaceConfigListener extends AsyncDataTreeChangeListenerBase<Interface, InterfaceConfigListener> {
  36     private static final Logger LOG = LoggerFactory.getLogger(InterfaceConfigListener.class);
  37     private DataBroker dataBroker;
  38     private IdManagerService idManager;
  39     private AlivenessMonitorService alivenessMonitorService;
  40
  41     public InterfaceConfigListener(final DataBroker dataBroker, final IdManagerService idManager, final AlivenessMonitorService alivenessMonitorService) {
  42         super(Interface.class, InterfaceConfigListener.class);
  43         this.dataBroker = dataBroker;
  44         this.idManager = idManager;
  45         this.alivenessMonitorService = alivenessMonitorService;
  46     }
  47
  48     @Override
  49     protected InstanceIdentifier<Interface> getWildCardPath() {
  50         return InstanceIdentifier.create(Interfaces.class).child(Interface.class);
  51     }
  52
  53     @Override
  54     protected InterfaceConfigListener getDataTreeChangeListener() {
  55         return InterfaceConfigListener.this;
  56     }
  57
  58     @Override
  59     protected void remove(InstanceIdentifier<Interface> key, Interface interfaceOld) {
  60         LOG.debug("Received Interface Remove Event: {}, {}", key, interfaceOld);
  61         String ifName = interfaceOld.getName();
  62         String parentInterface = null;
  63
  64         ParentRefs parentRefs = interfaceOld.getAugmentation(ParentRefs.class);
  65         if (parentRefs != null) {
  66             parentInterface = parentRefs.getParentInterface();
  67             if (parentInterface != null && !parentInterface.equals(ifName)) {
  68                 return;
  69             }
  70             if (parentRefs.getDatapathNodeIdentifier() == null) {
  71                 return;
  72             }
  73         }
  74
  75         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  76         RendererConfigRemoveWorker configWorker = new RendererConfigRemoveWorker(key, interfaceOld, ifName, parentRefs);
  77         coordinator.enqueueJob(ifName, configWorker);
  78     }
  79
  80     @Override
  81     protected void update(InstanceIdentifier<Interface> key, Interface interfaceOld, Interface interfaceNew) {
  82         LOG.debug("Received Interface Update Event: {}, {}, {}", key, interfaceOld, interfaceNew);
  83         String ifNameNew = interfaceNew.getName();
  84         String parentInterface = null;
  85
  86         ParentRefs parentRefs = interfaceNew.getAugmentation(ParentRefs.class);
  87         if (parentRefs != null) {
  88             parentInterface = parentRefs.getParentInterface();
  89         }
  90
  91         if (parentInterface != null && !parentInterface.equals(ifNameNew)) {
  92             return;
  93         }
  94
  95         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  96         RendererConfigUpdateWorker worker = new RendererConfigUpdateWorker(key, interfaceOld, interfaceNew, ifNameNew);
  97         coordinator.enqueueJob(ifNameNew, worker);
  98     }
  99
 100     @Override
 101     protected void add(InstanceIdentifier<Interface> key, Interface interfaceNew) {
 102         LOG.debug("Received Interface Add Event: {}, {}", key, interfaceNew);
 103         String ifName = interfaceNew.getName();
 104         String parentInterface = null;
 105
 106         ParentRefs parentRefs = interfaceNew.getAugmentation(ParentRefs.class);
 107         if (parentRefs != null) {
 108             parentInterface = parentRefs.getParentInterface();
 109         }
 110
 111         if (parentInterface != null && !parentInterface.equals(ifName)) {
 112             return;
 113         }
 114
 115         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 116         RendererConfigAddWorker configWorker = new RendererConfigAddWorker(key, interfaceNew, parentRefs, ifName);
 117         coordinator.enqueueJob(ifName, configWorker);
 118     }
 119
 120     private class RendererConfigAddWorker implements Callable<List<ListenableFuture<Void>>> {
 121         InstanceIdentifier<Interface> key;
 122         Interface interfaceNew;
 123         String portName;
 124         ParentRefs parentRefs;
 125
 126         public RendererConfigAddWorker(InstanceIdentifier<Interface> key, Interface interfaceNew,
 127                                        ParentRefs parentRefs, String portName) {
 128             this.key = key;
 129             this.interfaceNew = interfaceNew;
 130             this.portName = portName;
 131             this.parentRefs = parentRefs;
 132         }
 133
 134         @Override
 135         public List<ListenableFuture<Void>> call() throws Exception {
 136             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 137             // to call the respective helpers.
 138             return OvsInterfaceConfigAddHelper.addConfiguration(dataBroker, parentRefs, interfaceNew,
 139                     idManager);
 140         }
 141
 142         @Override
 143         public String toString() {
 144             return "RendererConfigAddWorker{" +
 145                     "key=" + key +
 146                     ", interfaceNew=" + interfaceNew +
 147                     ", portName='" + portName + '\'' +
 148                     '}';
 149         }
 150     }
 151
 152     /**
 153      *
 154      */
 155     private class RendererConfigUpdateWorker implements Callable {
 156         InstanceIdentifier<Interface> key;
 157         Interface interfaceOld;
 158         Interface interfaceNew;
 159         String portNameNew;
 160
 161         public RendererConfigUpdateWorker(InstanceIdentifier<Interface> key, Interface interfaceOld,
 162                                           Interface interfaceNew, String portNameNew) {
 163             this.key = key;
 164             this.interfaceOld = interfaceOld;
 165             this.interfaceNew = interfaceNew;
 166             this.portNameNew = portNameNew;
 167         }
 168
 169         @Override
 170         public List<ListenableFuture<Void>> call() throws Exception {
 171             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 172             // to call the respective helpers.
 173             return OvsInterfaceConfigUpdateHelper.updateConfiguration(dataBroker, alivenessMonitorService, idManager,
 174                     interfaceNew, interfaceOld);
 175         }
 176
 177         @Override
 178         public String toString() {
 179             return "RendererConfigUpdateWorker{" +
 180                     "key=" + key +
 181                     ", interfaceOld=" + interfaceOld +
 182                     ", interfaceNew=" + interfaceNew +
 183                     ", portNameNew='" + portNameNew + '\'' +
 184                     '}';
 185         }
 186     }
 187
 188     /**
 189      *
 190      */
 191     private class RendererConfigRemoveWorker implements Callable {
 192         InstanceIdentifier<Interface> key;
 193         Interface interfaceOld;
 194         String portName;
 195         ParentRefs parentRefs;
 196
 197         public RendererConfigRemoveWorker(InstanceIdentifier<Interface> key, Interface interfaceOld, String portName,
 198                                           ParentRefs parentRefs) {
 199             this.key = key;
 200             this.interfaceOld = interfaceOld;
 201             this.portName = portName;
 202             this.parentRefs = parentRefs;
 203         }
 204
 205         @Override
 206         public List<ListenableFuture<Void>> call() throws Exception {
 207             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 208             // to call the respective helpers.
 209             return OvsInterfaceConfigRemoveHelper.removeConfiguration(dataBroker, alivenessMonitorService,
 210                     interfaceOld, idManager, parentRefs);
 211         }
 212
 213         @Override
 214         public String toString() {
 215             return "RendererConfigRemoveWorker{" +
 216                     "key=" + key +
 217                     ", interfaceOld=" + interfaceOld +
 218                     ", portName='" + portName + '\'' +
 219                     '}';
 220         }
 221     }
 222 }