interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/listeners/InterfaceTopologyStateListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 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.genius.interfacemanager.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.List;
  12 import java.util.concurrent.Callable;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  18 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  19 import org.opendaylight.genius.interfacemanager.IfmConstants;
  20 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateAddHelper;
  21 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateRemoveHelper;
  22 import org.opendaylight.genius.interfacemanager.renderer.ovs.statehelpers.OvsInterfaceTopologyStateUpdateHelper;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  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.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 @Singleton
  33 public class InterfaceTopologyStateListener
  34         extends AsyncDataTreeChangeListenerBase<OvsdbBridgeAugmentation, InterfaceTopologyStateListener> {
  35     private static final Logger LOG = LoggerFactory.getLogger(InterfaceTopologyStateListener.class);
  36     private final DataBroker dataBroker;
  37
  38     @Inject
  39     public InterfaceTopologyStateListener(final DataBroker dataBroker) {
  40         super(OvsdbBridgeAugmentation.class, InterfaceTopologyStateListener.class);
  41         this.dataBroker = dataBroker;
  42         this.registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  43     }
  44
  45     @Override
  46     protected InstanceIdentifier<OvsdbBridgeAugmentation> getWildCardPath() {
  47         return InstanceIdentifier.builder(NetworkTopology.class).child(Topology.class).child(Node.class)
  48                 .augmentation(OvsdbBridgeAugmentation.class).build();
  49     }
  50
  51     @Override
  52     protected InterfaceTopologyStateListener getDataTreeChangeListener() {
  53         return InterfaceTopologyStateListener.this;
  54     }
  55
  56     @Override
  57     protected void remove(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeOld) {
  58         LOG.debug("Received Remove DataChange Notification for identifier: {}, ovsdbBridgeAugmentation: {}", identifier,
  59                 bridgeOld);
  60         DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  61         RendererStateRemoveWorker rendererStateRemoveWorker = new RendererStateRemoveWorker(identifier, bridgeOld);
  62         jobCoordinator.enqueueJob(bridgeOld.getBridgeName().getValue(), rendererStateRemoveWorker,
  63                 IfmConstants.JOB_MAX_RETRIES);
  64     }
  65
  66     @Override
  67     protected void update(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeOld,
  68             OvsdbBridgeAugmentation bridgeNew) {
  69         LOG.debug(
  70                 "Received Update DataChange Notification for identifier: {}, ovsdbBridgeAugmentation old: {}, new: {}.",
  71                 identifier, bridgeOld, bridgeNew);
  72         DatapathId oldDpid = bridgeOld.getDatapathId();
  73         DatapathId newDpid = bridgeNew.getDatapathId();
  74         if (oldDpid == null && newDpid != null) {
  75             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  76             RendererStateAddWorker rendererStateAddWorker = new RendererStateAddWorker(identifier, bridgeNew);
  77             jobCoordinator.enqueueJob(bridgeNew.getBridgeName().getValue(), rendererStateAddWorker,
  78                     IfmConstants.JOB_MAX_RETRIES);
  79         } else if (oldDpid != null && !oldDpid.equals(newDpid)) {
  80             DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  81             RendererStateUpdateWorker rendererStateAddWorker = new RendererStateUpdateWorker(identifier, bridgeNew,
  82                     bridgeOld);
  83             jobCoordinator.enqueueJob(bridgeNew.getBridgeName().getValue(), rendererStateAddWorker,
  84                     IfmConstants.JOB_MAX_RETRIES);
  85         }
  86     }
  87
  88     @Override
  89     protected void add(InstanceIdentifier<OvsdbBridgeAugmentation> identifier, OvsdbBridgeAugmentation bridgeNew) {
  90         LOG.debug("Received Add DataChange Notification for identifier: {}, ovsdbBridgeAugmentation: {}", identifier,
  91                 bridgeNew);
  92         DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  93         RendererStateAddWorker rendererStateAddWorker = new RendererStateAddWorker(identifier, bridgeNew);
  94         jobCoordinator.enqueueJob(bridgeNew.getBridgeName().getValue(), rendererStateAddWorker,
  95                 IfmConstants.JOB_MAX_RETRIES);
  96     }
  97
  98     private class RendererStateAddWorker implements Callable<List<ListenableFuture<Void>>> {
  99         InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier;
 100         OvsdbBridgeAugmentation bridgeNew;
 101
 102         RendererStateAddWorker(InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier,
 103                 OvsdbBridgeAugmentation bridgeNew) {
 104             this.instanceIdentifier = instanceIdentifier;
 105             this.bridgeNew = bridgeNew;
 106         }
 107
 108         @Override
 109         public List<ListenableFuture<Void>> call() {
 110             // If another renderer(for eg : CSS) needs to be supported, check
 111             // can be performed here
 112             // to call the respective helpers.
 113             return OvsInterfaceTopologyStateAddHelper.addPortToBridge(instanceIdentifier, bridgeNew, dataBroker);
 114         }
 115     }
 116
 117     private class RendererStateRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 118         InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier;
 119         OvsdbBridgeAugmentation bridgeNew;
 120
 121         RendererStateRemoveWorker(InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier,
 122                 OvsdbBridgeAugmentation bridgeNew) {
 123             this.instanceIdentifier = instanceIdentifier;
 124             this.bridgeNew = bridgeNew;
 125         }
 126
 127         @Override
 128         public List<ListenableFuture<Void>> call() {
 129             // If another renderer(for eg : CSS) needs to be supported, check
 130             // can be performed here
 131             // to call the respective helpers.
 132             return OvsInterfaceTopologyStateRemoveHelper.removePortFromBridge(instanceIdentifier, bridgeNew,
 133                     dataBroker);
 134         }
 135     }
 136
 137     private class RendererStateUpdateWorker implements Callable<List<ListenableFuture<Void>>> {
 138         InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier;
 139         OvsdbBridgeAugmentation bridgeNew;
 140         OvsdbBridgeAugmentation bridgeOld;
 141
 142         RendererStateUpdateWorker(InstanceIdentifier<OvsdbBridgeAugmentation> instanceIdentifier,
 143                 OvsdbBridgeAugmentation bridgeNew, OvsdbBridgeAugmentation bridgeOld) {
 144             this.instanceIdentifier = instanceIdentifier;
 145             this.bridgeNew = bridgeNew;
 146             this.bridgeOld = bridgeOld;
 147         }
 148
 149         @Override
 150         public List<ListenableFuture<Void>> call() {
 151             // If another renderer(for eg : CSS) needs to be supported, check
 152             // can be performed here
 153             // to call the respective helpers.
 154             return OvsInterfaceTopologyStateUpdateHelper.updateBridgeRefEntry(instanceIdentifier, bridgeNew, bridgeOld,
 155                     dataBroker);
 156         }
 157     }
 158 }