openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/impl/OvsdbInventoryServiceImpl.java

   1 /*
   2  * Copyright (c) 2015 Red Hat, Inc. 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.ovsdb.openstack.netvirt.impl;
   9
  10 import com.google.common.collect.Sets;
  11 import java.util.Set;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  15 import org.opendaylight.ovsdb.openstack.netvirt.ConfigInterface;
  16 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
  17 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbInventoryService;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbInventoryListener;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  20 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.osgi.framework.ServiceReference;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * OvsdbInventoryServiceImpl is the implementation for {@link OvsdbInventoryService}
  32  *
  33  * @author Sam Hague (shague@redhat.com)
  34  */
  35 public class OvsdbInventoryServiceImpl implements ConfigInterface, OvsdbInventoryService {
  36     private static final Logger LOG = LoggerFactory.getLogger(OvsdbInventoryServiceImpl.class);
  37     private static DataBroker dataBroker = null;
  38     private static Set<OvsdbInventoryListener> ovsdbInventoryListeners = Sets.newCopyOnWriteArraySet();
  39     private OvsdbDataChangeListener ovsdbDataChangeListener = null;
  40     private static MdsalUtils mdsalUtils = null;
  41
  42     public OvsdbInventoryServiceImpl(ProviderContext providerContext) {
  43         dataBroker = providerContext.getSALService(DataBroker.class);
  44         LOG.info("OvsdbInventoryServiceImpl initialized");
  45         ovsdbDataChangeListener = new OvsdbDataChangeListener(dataBroker);
  46         mdsalUtils = new MdsalUtils(dataBroker);
  47     }
  48
  49     @Override
  50     public void listenerAdded(OvsdbInventoryListener listener) {
  51         ovsdbInventoryListeners.add(listener);
  52         LOG.info("listenerAdded: {}", listener);
  53     }
  54
  55     @Override
  56     public void listenerRemoved(OvsdbInventoryListener listener) {
  57         ovsdbInventoryListeners.remove(listener);
  58         LOG.info("listenerRemoved: {}", listener);
  59     }
  60
  61     @Override
  62     public void providersReady() {
  63         ovsdbDataChangeListener.start();
  64         initializeNetvirtTopology();
  65     }
  66
  67     public static Set<OvsdbInventoryListener> getOvsdbInventoryListeners() {
  68         return ovsdbInventoryListeners;
  69     }
  70
  71     @Override
  72     public void setDependencies(ServiceReference serviceReference) {}
  73
  74     @Override
  75     public void setDependencies(Object impl) {}
  76
  77     private void initializeNetvirtTopology() {
  78         final TopologyId topologyId = new TopologyId(new Uri(Constants.NETVIRT_TOPOLOGY_ID));
  79         InstanceIdentifier<Topology> path =
  80                 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, new TopologyKey(topologyId));
  81         TopologyBuilder tpb = new TopologyBuilder();
  82         tpb.setTopologyId(topologyId);
  83         if (! mdsalUtils.put(LogicalDatastoreType.OPERATIONAL, path, tpb.build())) {
  84             LOG.error("Error initializing netvirt topology");
  85         }
  86     }
  87 }