interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/servicebindings/flowbased/listeners/FlowBasedServicesNodeStateListener.java

   1 /*
   2  * Copyright (c) 2017, 2018 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.servicebindings.flowbased.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.concurrent.Callable;
  15 import javax.annotation.Nonnull;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateAddable;
  21 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateRendererFactoryResolver;
  22 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  23 import org.opendaylight.genius.tools.mdsal.listener.AbstractSyncDataTreeChangeListener;
  24 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.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 FlowBasedServicesNodeStateListener extends AbstractSyncDataTreeChangeListener<Node> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesNodeStateListener.class);
  36
  37     private final JobCoordinator jobCoordinator;
  38     private final FlowBasedServicesStateRendererFactoryResolver flowBasedServicesStateRendererFactoryResolver;
  39
  40     @Inject
  41     public FlowBasedServicesNodeStateListener(final DataBroker dataBroker, final JobCoordinator jobCoordinator,
  42                                               final FlowBasedServicesStateRendererFactoryResolver
  43                                                       flowBasedServicesStateRendererFactoryResolver) {
  44         super(dataBroker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class).child(Node.class));
  45         this.jobCoordinator = jobCoordinator;
  46         this.flowBasedServicesStateRendererFactoryResolver = flowBasedServicesStateRendererFactoryResolver;
  47     }
  48
  49     @Override
  50     public void remove(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node node) {
  51         // Do nothing
  52     }
  53
  54     @Override
  55     public void update(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node originalNode,
  56                        @Nonnull final Node updatedNode) {
  57         // Nothing to do
  58     }
  59
  60     @Override
  61     public void add(@Nonnull InstanceIdentifier<Node> instanceIdentifier, @Nonnull Node node) {
  62         final BigInteger dpId = getDpnID(node);
  63         if (dpId == null) {
  64             return;
  65         }
  66         bindServicesOnTunnelType(dpId);
  67     }
  68
  69     private void bindServicesOnTunnelType(final BigInteger dpId) {
  70         LOG.debug("Received node add event for {}", dpId);
  71         for (final Class<?extends ServiceModeBase> serviceMode : FlowBasedServicesUtils.SERVICE_MODE_MAP.values()) {
  72             for (final String interfaceName : FlowBasedServicesUtils.INTERFACE_TYPE_BASED_SERVICE_BINDING_KEYWORDS) {
  73                 final FlowBasedServicesStateAddable flowBasedServicesStateAddable =
  74                     flowBasedServicesStateRendererFactoryResolver
  75                         .getFlowBasedServicesStateRendererFactory(serviceMode).getFlowBasedServicesStateAddRenderer();
  76                 jobCoordinator.enqueueJob(interfaceName,
  77                                           new RendererStateInterfaceBindWorker(flowBasedServicesStateAddable, dpId,
  78                                                                                interfaceName));
  79             }
  80         }
  81     }
  82
  83     private static class RendererStateInterfaceBindWorker implements Callable<List<ListenableFuture<Void>>> {
  84         private final String iface;
  85         final BigInteger dpnId;
  86         final FlowBasedServicesStateAddable flowBasedServicesStateAddable;
  87
  88         RendererStateInterfaceBindWorker(final FlowBasedServicesStateAddable flowBasedServicesStateAddable,
  89                                          final BigInteger dpnId,
  90                                          final String iface) {
  91             this.flowBasedServicesStateAddable = flowBasedServicesStateAddable;
  92             this.dpnId = dpnId;
  93             this.iface = iface;
  94         }
  95
  96         @Override
  97         public List<ListenableFuture<Void>> call() {
  98             final List<ListenableFuture<Void>> futures = new ArrayList<>();
  99             flowBasedServicesStateAddable.bindServicesOnInterfaceType(futures, dpnId, iface);
 100             return futures;
 101         }
 102     }
 103
 104     private BigInteger getDpnID(final Node id) {
 105         final String[] node =  id.getId().getValue().split(":");
 106         if (node.length < 2) {
 107             LOG.warn("Unexpected nodeId {}", id.getId().getValue());
 108             return null;
 109         }
 110         return new BigInteger(node[1]);
 111     }
 112 }