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.BundleContext;
  27 import org.osgi.framework.ServiceReference;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * OvsdbInventoryServiceImpl is the implementation for {@link OvsdbInventoryService}
  33  *
  34  * @author Sam Hague (shague@redhat.com)
  35  */
  36 public class OvsdbInventoryServiceImpl implements ConfigInterface, OvsdbInventoryService {
  37     private static final Logger LOG = LoggerFactory.getLogger(OvsdbInventoryServiceImpl.class);
  38     private static DataBroker dataBroker = null;
  39     private static Set<OvsdbInventoryListener> ovsdbInventoryListeners = Sets.newCopyOnWriteArraySet();
  40     private OvsdbDataChangeListener ovsdbDataChangeListener = null;
  41     private static MdsalUtils mdsalUtils = null;
  42
  43     public OvsdbInventoryServiceImpl(ProviderContext providerContext) {
  44         dataBroker = providerContext.getSALService(DataBroker.class);
  45         LOG.info("OvsdbInventoryServiceImpl initialized");
  46         ovsdbDataChangeListener = new OvsdbDataChangeListener(dataBroker);
  47         mdsalUtils = new MdsalUtils(dataBroker);
  48     }
  49
  50     @Override
  51     public void listenerAdded(OvsdbInventoryListener listener) {
  52         ovsdbInventoryListeners.add(listener);
  53         LOG.info("listenerAdded: {}", listener);
  54     }
  55
  56     @Override
  57     public void listenerRemoved(OvsdbInventoryListener listener) {
  58         ovsdbInventoryListeners.remove(listener);
  59         LOG.info("listenerRemoved: {}", listener);
  60     }
  61
  62     @Override
  63     public void providersReady() {
  64         ovsdbDataChangeListener.start();
  65         initializeNetvirtTopology();
  66     }
  67
  68     public static Set<OvsdbInventoryListener> getOvsdbInventoryListeners() {
  69         return ovsdbInventoryListeners;
  70     }
  71
  72     @Override
  73     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {}
  74
  75     @Override
  76     public void setDependencies(Object impl) {}
  77
  78     private void initializeNetvirtTopology() {
  79         final TopologyId topologyId = new TopologyId(new Uri(Constants.NETVIRT_TOPOLOGY_ID));
  80         InstanceIdentifier<Topology> path =
  81                 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, new TopologyKey(topologyId));
  82         TopologyBuilder tpb = new TopologyBuilder();
  83         tpb.setTopologyId(topologyId);
  84         if (! mdsalUtils.put(LogicalDatastoreType.OPERATIONAL, path, tpb.build())) {
  85             LOG.error("Error initializing netvirt topology");
  86         }
  87     }
  88 }