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

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