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

   1 /*
   2  * Copyright (c) 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.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.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  21 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  22 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateAddable;
  23 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateRemovable;
  24 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.factory.FlowBasedServicesStateRendererFactory;
  25 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  26 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  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.concepts.ListenerRegistration;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 @Singleton
  36 public class FlowBasedServicesNodeStateListener
  37         extends AsyncDataTreeChangeListenerBase<Node, FlowBasedServicesNodeStateListener> {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesNodeStateListener.class);
  40
  41     private final IMdsalApiManager mdsalManager;
  42     private final DataBroker broker;
  43     private ListenerRegistration<DataChangeListener> listenerRegistration;
  44
  45     @Inject
  46     public FlowBasedServicesNodeStateListener(final DataBroker dataBroker, final IMdsalApiManager mdsalManager) {
  47         this.broker = dataBroker;
  48         this.mdsalManager = mdsalManager;
  49         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  50     }
  51
  52     @Override
  53     protected FlowBasedServicesNodeStateListener getDataTreeChangeListener() {
  54         return FlowBasedServicesNodeStateListener.this;
  55     }
  56
  57     public InstanceIdentifier<Node> getWildCardPath() {
  58         return InstanceIdentifier.create(Nodes.class).child(Node.class);
  59     }
  60
  61
  62     @Override
  63     protected void remove(InstanceIdentifier<Node> identifier, Node del) {
  64         BigInteger dpId = getDpnID(del);
  65         if (dpId == null) {
  66             return;
  67         }
  68         unbindServicesOnTunnelType(dpId);
  69     }
  70
  71     @Override
  72     protected void update(InstanceIdentifier<Node> identifier, Node original, Node update) {
  73
  74     }
  75
  76     @Override
  77     protected void add(InstanceIdentifier<Node> identifier, Node add) {
  78         BigInteger dpId = getDpnID(add);
  79         if (dpId == null) {
  80             return;
  81         }
  82         bindServicesOnTunnelType(dpId);
  83     }
  84
  85     private void bindServicesOnTunnelType(BigInteger dpId) {
  86         LOG.debug("Received node add event for {}", dpId);
  87         for (Class<?extends ServiceModeBase> serviceMode : FlowBasedServicesUtils.SERVICE_MODE_MAP.values()) {
  88             for (String interfaceName : FlowBasedServicesUtils.INTERFACE_TYPE_BASED_SERVICE_BINDING_KEYWORDS) {
  89                 FlowBasedServicesStateAddable flowBasedServicesStateAddable = FlowBasedServicesStateRendererFactory
  90                         .getFlowBasedServicesStateRendererFactory(serviceMode)
  91                         .getFlowBasedServicesStateAddRenderer();
  92                 DataStoreJobCoordinator.getInstance().enqueueJob(interfaceName,
  93                         new RendererStateInterfaceBindWorker(flowBasedServicesStateAddable, dpId, interfaceName));
  94             }
  95         }
  96     }
  97
  98     private void unbindServicesOnTunnelType(BigInteger dpId) {
  99         LOG.debug("Received node add event for {}", dpId);
 100         for (Class<?extends ServiceModeBase> serviceMode : FlowBasedServicesUtils.SERVICE_MODE_MAP.values()) {
 101             for (String interfaceName : FlowBasedServicesUtils.INTERFACE_TYPE_BASED_SERVICE_BINDING_KEYWORDS) {
 102                 FlowBasedServicesStateRemovable flowBasedServicesStateRemovable = FlowBasedServicesStateRendererFactory
 103                         .getFlowBasedServicesStateRendererFactory(serviceMode)
 104                         .getFlowBasedServicesStateRemoveRenderer();
 105                 DataStoreJobCoordinator.getInstance().enqueueJob(interfaceName,
 106                         new RendererStateInterfaceUnbindWorker(flowBasedServicesStateRemovable, dpId, interfaceName));
 107             }
 108         }
 109     }
 110
 111     private class RendererStateInterfaceBindWorker implements Callable<List<ListenableFuture<Void>>> {
 112         private final String iface;
 113         BigInteger dpnId;
 114         FlowBasedServicesStateAddable flowBasedServicesStateAddable;
 115
 116         RendererStateInterfaceBindWorker(FlowBasedServicesStateAddable flowBasedServicesStateAddable, BigInteger dpnId,
 117                                          String iface) {
 118             this.flowBasedServicesStateAddable = flowBasedServicesStateAddable;
 119             this.dpnId = dpnId;
 120             this.iface = iface;
 121         }
 122
 123         @Override
 124         public List<ListenableFuture<Void>> call() {
 125             List<ListenableFuture<Void>> futures = new ArrayList<>();
 126             flowBasedServicesStateAddable.bindServicesOnInterfaceType(futures, dpnId, iface);
 127             return futures;
 128         }
 129     }
 130
 131     private class RendererStateInterfaceUnbindWorker implements Callable<List<ListenableFuture<Void>>> {
 132         private final String iface;
 133         BigInteger dpnId;
 134         FlowBasedServicesStateRemovable flowBasedServicesStateRemovable;
 135
 136         RendererStateInterfaceUnbindWorker(FlowBasedServicesStateRemovable flowBasedServicesStateRemovable,
 137                                            BigInteger dpnId, String iface) {
 138             this.flowBasedServicesStateRemovable = flowBasedServicesStateRemovable;
 139             this.dpnId = dpnId;
 140             this.iface = iface;
 141         }
 142
 143         @Override
 144         public List<ListenableFuture<Void>> call() {
 145             List<ListenableFuture<Void>> futures = new ArrayList<>();
 146             flowBasedServicesStateRemovable.unbindServicesOnInterfaceType(futures, dpnId, iface);
 147             return futures;
 148         }
 149     }
 150
 151     private BigInteger getDpnID(Node id) {
 152         String[] node =  id.getId().getValue().split(":");
 153         if (node.length < 2) {
 154             LOG.warn("Unexpected nodeId {}", id.getId().getValue());
 155             return null;
 156         }
 157         return new BigInteger(node[1]);
 158     }
 159 }