interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/listeners/InterfaceTopologyStateListener.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 package org.opendaylight.vpnservice.interfacemgr.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  13 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  14 import org.opendaylight.vpnservice.datastoreutils.AsyncDataChangeListenerBase;
  15 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.statehelpers.OvsInterfaceTopologyStateAddHelper;
  17 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.statehelpers.OvsInterfaceTopologyStateRemoveHelper;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  19 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25
  26 import java.util.List;
  27 import java.util.concurrent.Callable;
  28
  29 public class InterfaceTopologyStateListener extends AsyncDataChangeListenerBase<OvsdbBridgeAugmentation, InterfaceTopologyStateListener> {
  30     private static final Logger LOG = LoggerFactory.getLogger(InterfaceTopologyStateListener.class);
  31     private DataBroker dataBroker;
  32
  33     public InterfaceTopologyStateListener(DataBroker dataBroker) {
  34         super(OvsdbBridgeAugmentation.class, InterfaceTopologyStateListener.class);
  35         this.dataBroker = dataBroker;
  36     }
  37
  38     @Override
  39     protected InstanceIdentifier<OvsdbBridgeAugmentation> getWildCardPath() {
  40         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class)
  41                 .child(Node.class).augmentation(OvsdbBridgeAugmentation.class).build();
  42     }
  43
  44     @Override
  45     protected DataChangeListener getDataChangeListener() {
  46         return InterfaceTopologyStateListener.this;
  47     }
  48
  49     @Override
  50     protected AsyncDataBroker.DataChangeScope getDataChangeScope() {
  51         return AsyncDataBroker.DataChangeScope.BASE;
  52     }
  53
  54     @Override
  55     protected void remove(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeOld) {
  56         LOG.debug("Received Remove DataChange Notification for identifier: {}, ovsdbBridgeAugmentation: {}",
  57                 identifier, bridgeOld);
  58         DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  59         RendererStateRemoveWorker rendererStateRemoveWorker = new RendererStateRemoveWorker(identifier, bridgeOld);
  60         jobCoordinator.enqueueJob(bridgeOld.getBridgeName().getValue() + bridgeOld.getDatapathId(), rendererStateRemoveWorker);
  61     }
  62
  63     @Override
  64     protected void update(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeOld,
  65                           OvsdbBridgeAugmentation bridgeNew) {
  66         LOG.info("Received Update DataChange Notification for identifier: {}, ovsdbBridgeAugmentation old: {}, new: {}." +
  67                 "No Action Performed.", identifier, bridgeOld, bridgeNew);
  68     }
  69
  70     @Override
  71     protected void add(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeNew) {
  72         LOG.debug("Received Add DataChange Notification for identifier: {}, ovsdbBridgeAugmentation: {}",
  73                 identifier, bridgeNew);
  74         DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  75         RendererStateAddWorker rendererStateAddWorker = new RendererStateAddWorker(identifier, bridgeNew);
  76         jobCoordinator.enqueueJob(bridgeNew.getBridgeName().getValue() + bridgeNew.getDatapathId(), rendererStateAddWorker);
  77     }
  78
  79     private class RendererStateAddWorker implements Callable<List<ListenableFuture<Void>>> {
  80         InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier;
  81         OvsdbBridgeAugmentation bridgeNew;
  82
  83
  84         public RendererStateAddWorker(InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier,
  85                                       OvsdbBridgeAugmentation bridgeNew) {
  86             this.instanceIdentifier = instanceIdentifier;
  87             this.bridgeNew = bridgeNew;
  88         }
  89
  90         @Override
  91         public List<ListenableFuture<Void>> call() throws Exception {
  92             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
  93             // to call the respective helpers.
  94             return OvsInterfaceTopologyStateAddHelper.addPortToBridge(instanceIdentifier,
  95                     bridgeNew, dataBroker);
  96         }
  97     }
  98
  99     private class RendererStateRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 100         InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier;
 101         OvsdbBridgeAugmentation bridgeNew;
 102
 103
 104         public RendererStateRemoveWorker(InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier,
 105                                          OvsdbBridgeAugmentation bridgeNew) {
 106             this.instanceIdentifier = instanceIdentifier;
 107             this.bridgeNew = bridgeNew;
 108         }
 109
 110         @Override
 111         public List<ListenableFuture<Void>> call() throws Exception {
 112             // If another renderer(for eg : CSS) needs to be supported, check can be performed here
 113             // to call the respective helpers.
 114             return OvsInterfaceTopologyStateRemoveHelper.removePortFromBridge(instanceIdentifier,
 115                     bridgeNew, dataBroker);
 116         }
 117     }
 118 }