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

   1 /*
   2  * Copyright (C) 2013 Red Hat, Inc.
   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  * Authors : Madhu Venugopal, Brent Salisbury, Dave Tucker
   9  */
  10 package org.opendaylight.ovsdb.openstack.netvirt.impl;
  11
  12 import java.util.HashMap;
  13 import java.util.Map;
  14
  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.NetworkingProvider;
  18 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProviderManager;
  19 import org.opendaylight.ovsdb.openstack.netvirt.api.OvsdbInventoryService;
  20 import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.osgi.framework.BundleContext;
  23 import org.osgi.framework.ServiceReference;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 import com.google.common.base.Predicate;
  28 import com.google.common.collect.Iterables;
  29 import com.google.common.collect.Maps;
  30
  31 public class ProviderNetworkManagerImpl implements ConfigInterface, NetworkingProviderManager {
  32     private static final Logger LOG = LoggerFactory.getLogger(ProviderNetworkManagerImpl.class);
  33     private Map<Long, ProviderEntry> providers = Maps.newHashMap();
  34     private Map<Node, NetworkingProvider> nodeToProviderMapping = Maps.newHashMap();
  35     private volatile OvsdbInventoryService ovsdbInventoryService;
  36
  37     @Override
  38     public NetworkingProvider getProvider(Node node) {
  39         if (nodeToProviderMapping.get(node) != null) {
  40             return nodeToProviderMapping.get(node);
  41         }
  42
  43         final String targetVersion = Constants.OPENFLOW13;
  44         Predicate<ProviderEntry> providerEntryPredicate = new Predicate<ProviderEntry>() {
  45             @Override
  46             public boolean apply(ProviderEntry providerEntry) {
  47                 //ToDo: This should match on southboundProtocol and providerType too
  48                 return providerEntry.getProperties().get(Constants.OPENFLOW_VERSION_PROPERTY).equals(targetVersion);
  49             }
  50         };
  51
  52         Iterable<ProviderEntry> matchingProviders = Iterables.filter(providers.values(), providerEntryPredicate);
  53         if (!matchingProviders.iterator().hasNext()) {
  54             LOG.error("No providers matching {} found", targetVersion);
  55         }
  56
  57         // Return the first match as only have one matching provider today
  58         // ToDo: Tie-breaking logic
  59         NetworkingProvider provider = matchingProviders.iterator().next().getProvider();
  60         nodeToProviderMapping.put(node, provider);
  61         return provider;
  62     }
  63
  64     public void providerAdded(final ServiceReference ref, final NetworkingProvider provider){
  65         Map <String, String> properties = Maps.newHashMap();
  66         Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
  67         properties.put(Constants.SOUTHBOUND_PROTOCOL_PROPERTY,
  68                 (String) ref.getProperty(Constants.SOUTHBOUND_PROTOCOL_PROPERTY));
  69         properties.put(Constants.OPENFLOW_VERSION_PROPERTY,
  70                 (String) ref.getProperty(Constants.OPENFLOW_VERSION_PROPERTY));
  71         properties.put(Constants.PROVIDER_TYPE_PROPERTY, (String) ref.getProperty(Constants.PROVIDER_TYPE_PROPERTY));
  72         providers.put(pid, new ProviderEntry(provider, properties));
  73         LOG.info("Neutron Networking Provider Registered: {}, with {} and pid={}",
  74                 provider.getClass().getName(), properties.toString(), pid);
  75
  76         ovsdbInventoryService.providersReady();
  77     }
  78
  79     public void providerRemoved(final ServiceReference ref){
  80         Long pid = (Long)ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
  81         providers.remove(pid);
  82         LOG.info("Neutron Networking Provider Removed: {}", pid);
  83     }
  84
  85     @Override
  86     public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
  87         ovsdbInventoryService =
  88                 (OvsdbInventoryService) ServiceHelper.getGlobalInstance(OvsdbInventoryService.class, this);
  89     }
  90
  91     @Override
  92     public void setDependencies(Object impl) {
  93
  94     }
  95
  96     private class ProviderEntry {
  97         NetworkingProvider provider;
  98         Map<String, String> properties;
  99
 100         ProviderEntry(NetworkingProvider provider, Map<String, String> properties) {
 101             this.provider = provider;
 102             this.properties = properties;
 103         }
 104
 105         public NetworkingProvider getProvider() {
 106             return provider;
 107         }
 108
 109         public Map<String, String> getProperties() {
 110             return properties;
 111         }
 112     }
 113
 114 }