vpnservice/interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/servicebindings/flowbased/listeners/FlowBasedServicesInterfaceStateListener.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.servicebindings.flowbased.listeners;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.vpnservice.datastoreutils.AsyncDataTreeChangeListenerBase;
  13 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  14 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.statehelpers.FlowBasedServicesStateBindHelper;
  15 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.statehelpers.FlowBasedServicesStateUnbindHelper;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import java.util.List;
  23 import java.util.concurrent.Callable;
  24
  25 public class FlowBasedServicesInterfaceStateListener extends AsyncDataTreeChangeListenerBase<Interface, FlowBasedServicesInterfaceStateListener> {
  26     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesInterfaceStateListener.class);
  27     private DataBroker dataBroker;
  28
  29     public FlowBasedServicesInterfaceStateListener(final DataBroker dataBroker) {
  30         super(Interface.class, FlowBasedServicesInterfaceStateListener.class);
  31         this.dataBroker = dataBroker;
  32     }
  33
  34     @Override
  35     protected InstanceIdentifier<Interface> getWildCardPath() {
  36         return InstanceIdentifier.create(InterfacesState.class).child(Interface.class);
  37     }
  38
  39     @Override
  40     protected void remove(InstanceIdentifier<Interface> key, Interface interfaceStateOld) {
  41         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  42         RendererStateInterfaceUnbindWorker stateUnbindWorker =
  43                 new RendererStateInterfaceUnbindWorker(interfaceStateOld);
  44         coordinator.enqueueJob(interfaceStateOld.getName(), stateUnbindWorker);
  45     }
  46
  47     @Override
  48     protected void update(InstanceIdentifier<Interface> key, Interface interfaceStateOld, Interface interfaceStateNew) {
  49         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  50         if (interfaceStateNew.getOperStatus() == Interface.OperStatus.Down) {
  51             RendererStateInterfaceUnbindWorker stateUnbindWorker =
  52                     new RendererStateInterfaceUnbindWorker(interfaceStateNew);
  53             coordinator.enqueueJob(interfaceStateNew.getName(), stateUnbindWorker);
  54             return;
  55         }
  56
  57         RendererStateInterfaceBindWorker stateBindWorker = new RendererStateInterfaceBindWorker(interfaceStateNew);
  58         coordinator.enqueueJob(interfaceStateNew.getName(), stateBindWorker);
  59     }
  60
  61     @Override
  62     protected void add(InstanceIdentifier<Interface> key, Interface interfaceStateNew) {
  63         if (interfaceStateNew.getOperStatus() == Interface.OperStatus.Down) {
  64             LOG.info("Interface: {} operstate is down when adding. Not Binding services", interfaceStateNew.getName());
  65             return;
  66         }
  67
  68         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  69         RendererStateInterfaceBindWorker stateBindWorker = new RendererStateInterfaceBindWorker(interfaceStateNew);
  70         coordinator.enqueueJob(interfaceStateNew.getName(), stateBindWorker);
  71     }
  72
  73     @Override
  74     protected FlowBasedServicesInterfaceStateListener getDataTreeChangeListener() {
  75         return FlowBasedServicesInterfaceStateListener.this;
  76     }
  77
  78     private class RendererStateInterfaceBindWorker implements Callable<List<ListenableFuture<Void>>> {
  79         Interface iface;
  80
  81         public RendererStateInterfaceBindWorker(Interface iface) {
  82             this.iface = iface;
  83         }
  84
  85         @Override
  86         public List<ListenableFuture<Void>> call() throws Exception {
  87             return FlowBasedServicesStateBindHelper.bindServicesOnInterface(iface, dataBroker);
  88         }
  89     }
  90
  91     private class RendererStateInterfaceUnbindWorker implements Callable<List<ListenableFuture<Void>>> {
  92         Interface iface;
  93
  94         public RendererStateInterfaceUnbindWorker(Interface iface) {
  95             this.iface = iface;
  96         }
  97
  98         @Override
  99         public List<ListenableFuture<Void>> call() throws Exception {
 100             return FlowBasedServicesStateUnbindHelper.unbindServicesFromInterface(iface, dataBroker);
 101         }
 102     }
 103 }