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
  12 import java.math.BigInteger;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.concurrent.Callable;
  16 import javax.annotation.Nonnull;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.genius.datastoreutils.listeners.AbstractSyncDataTreeChangeListener;
  23 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateAddable;
  24 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateRendererFactoryResolver;
  25 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  26 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeBase;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 public class FlowBasedServicesNodeStateListener extends AbstractSyncDataTreeChangeListener<Node> {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesNodeStateListener.class);
  38
  39     private final JobCoordinator jobCoordinator;
  40     private final FlowBasedServicesStateRendererFactoryResolver flowBasedServicesStateRendererFactoryResolver;
  41
  42     @Inject
  43     public FlowBasedServicesNodeStateListener(final DataBroker dataBroker, final JobCoordinator jobCoordinator,
  44                                               final FlowBasedServicesStateRendererFactoryResolver
  45                                                       flowBasedServicesStateRendererFactoryResolver) {
  46         super(dataBroker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class).child(Node.class));
  47         this.jobCoordinator = jobCoordinator;
  48         this.flowBasedServicesStateRendererFactoryResolver = flowBasedServicesStateRendererFactoryResolver;
  49     }
  50
  51     @Override
  52     public void remove(@Nonnull final Node node) {
  53         // Do nothing
  54     }
  55
  56     @Override
  57     public void update(@Nonnull final Node originalNode, @Nonnull final Node updatedNode) {
  58         // Nothing to do
  59     }
  60
  61     @Override
  62     public void add(@Nonnull final Node node) {
  63         final BigInteger dpId = getDpnID(node);
  64         if (dpId == null) {
  65             return;
  66         }
  67         bindServicesOnTunnelType(dpId);
  68     }
  69
  70     private void bindServicesOnTunnelType(final BigInteger dpId) {
  71         LOG.debug("Received node add event for {}", dpId);
  72         for (final Class<?extends ServiceModeBase> serviceMode : FlowBasedServicesUtils.SERVICE_MODE_MAP.values()) {
  73             for (final String interfaceName : FlowBasedServicesUtils.INTERFACE_TYPE_BASED_SERVICE_BINDING_KEYWORDS) {
  74                 final FlowBasedServicesStateAddable flowBasedServicesStateAddable =
  75                     flowBasedServicesStateRendererFactoryResolver
  76                         .getFlowBasedServicesStateRendererFactory(serviceMode).getFlowBasedServicesStateAddRenderer();
  77                 jobCoordinator.enqueueJob(interfaceName,
  78                                           new RendererStateInterfaceBindWorker(flowBasedServicesStateAddable, dpId,
  79                                                                                interfaceName));
  80             }
  81         }
  82     }
  83
  84     private static class RendererStateInterfaceBindWorker implements Callable<List<ListenableFuture<Void>>> {
  85         private final String iface;
  86         final BigInteger dpnId;
  87         final FlowBasedServicesStateAddable flowBasedServicesStateAddable;
  88
  89         RendererStateInterfaceBindWorker(final FlowBasedServicesStateAddable flowBasedServicesStateAddable,
  90                                          final BigInteger dpnId,
  91                                          final String iface) {
  92             this.flowBasedServicesStateAddable = flowBasedServicesStateAddable;
  93             this.dpnId = dpnId;
  94             this.iface = iface;
  95         }
  96
  97         @Override
  98         public List<ListenableFuture<Void>> call() {
  99             final List<ListenableFuture<Void>> futures = new ArrayList<>();
 100             flowBasedServicesStateAddable.bindServicesOnInterfaceType(futures, dpnId, iface);
 101             return futures;
 102         }
 103     }
 104
 105     private BigInteger getDpnID(final Node id) {
 106         final String[] node =  id.getId().getValue().split(":");
 107         if (node.length < 2) {
 108             LOG.warn("Unexpected nodeId {}", id.getId().getValue());
 109             return null;
 110         }
 111         return new BigInteger(node[1]);
 112     }
 113 }