interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/servicebindings/flowbased/listeners/FlowBasedServicesConfigListener.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
   9 package org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.listeners;
  10
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.vpnservice.datastoreutils.AsyncDataTreeChangeListenerBase;
  14 import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
  15 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.confighelpers.FlowBasedServicesConfigBindHelper;
  16 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.confighelpers.FlowBasedServicesConfigUnbindHelper;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceBindings;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import java.util.List;
  25 import java.util.concurrent.Callable;
  26
  27 public class FlowBasedServicesConfigListener extends AsyncDataTreeChangeListenerBase<BoundServices, FlowBasedServicesConfigListener> {
  28     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedServicesConfigListener.class);
  29     private DataBroker dataBroker;
  30
  31     public FlowBasedServicesConfigListener(final DataBroker dataBroker) {
  32         super(BoundServices.class, FlowBasedServicesConfigListener.class);
  33         this.dataBroker = dataBroker;
  34     }
  35
  36     @Override
  37     protected InstanceIdentifier<BoundServices> getWildCardPath() {
  38         return InstanceIdentifier.create(ServiceBindings.class).child(ServicesInfo.class)
  39                 .child(BoundServices.class);
  40     }
  41
  42     @Override
  43     protected void remove(InstanceIdentifier<BoundServices> key, BoundServices boundServiceOld) {
  44         String interfaceName = InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName();
  45         LOG.info("Service Binding Entry removed for Interface: {}, Data: {}",
  46                 interfaceName, boundServiceOld);
  47
  48         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  49         RendererConfigRemoveWorker configWorker = new RendererConfigRemoveWorker(key, boundServiceOld);
  50         coordinator.enqueueJob(interfaceName, configWorker);
  51     }
  52
  53     @Override
  54     protected void update(InstanceIdentifier<BoundServices> key, BoundServices boundServiceOld,
  55                           BoundServices boundServiceNew) {
  56         LOG.error("Service Binding entry update not allowed for: {}, Data: {}",
  57                 InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName(), boundServiceNew);
  58     }
  59
  60     @Override
  61     protected void add(InstanceIdentifier<BoundServices> key, BoundServices boundServicesNew) {
  62         String interfaceName = InstanceIdentifier.keyOf(key.firstIdentifierOf(ServicesInfo.class)).getInterfaceName();
  63         LOG.info("Service Binding Entry created for Interface: {}, Data: {}",
  64                 interfaceName, boundServicesNew);
  65
  66         DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
  67         RendererConfigAddWorker configWorker = new RendererConfigAddWorker(key, boundServicesNew);
  68         coordinator.enqueueJob(interfaceName, configWorker);
  69     }
  70
  71     @Override
  72     protected FlowBasedServicesConfigListener getDataTreeChangeListener() {
  73         return FlowBasedServicesConfigListener.this;
  74     }
  75
  76     private class RendererConfigAddWorker implements Callable<List<ListenableFuture<Void>>> {
  77         InstanceIdentifier<BoundServices> instanceIdentifier;
  78         BoundServices boundServicesNew;
  79
  80         public RendererConfigAddWorker(InstanceIdentifier<BoundServices> instanceIdentifier,
  81                                        BoundServices boundServicesNew) {
  82             this.instanceIdentifier = instanceIdentifier;
  83             this.boundServicesNew = boundServicesNew;
  84         }
  85
  86         @Override
  87         public List<ListenableFuture<Void>> call() throws Exception {
  88             return FlowBasedServicesConfigBindHelper.bindService(instanceIdentifier,
  89                     boundServicesNew, dataBroker);
  90         }
  91     }
  92
  93     private class RendererConfigRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
  94         InstanceIdentifier<BoundServices> instanceIdentifier;
  95         BoundServices boundServicesNew;
  96
  97         public RendererConfigRemoveWorker(InstanceIdentifier<BoundServices> instanceIdentifier,
  98                                        BoundServices boundServicesNew) {
  99             this.instanceIdentifier = instanceIdentifier;
 100             this.boundServicesNew = boundServicesNew;
 101         }
 102
 103         @Override
 104         public List<ListenableFuture<Void>> call() throws Exception {
 105             return FlowBasedServicesConfigUnbindHelper.unbindService(instanceIdentifier,
 106                     boundServicesNew, dataBroker);
 107         }
 108     }
 109 }