2 * Copyright (C) 2013 Red Hat, Inc.
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
8 * Authors : Madhu Venugopal, Brent Salisbury, Dave Tucker
10 package org.opendaylight.ovsdb.openstack.netvirt.impl;
12 import java.util.HashMap;
15 import org.opendaylight.ovsdb.openstack.netvirt.api.ConfigurationService;
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.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
20 import org.osgi.framework.ServiceReference;
21 import org.slf4j.Logger;
22 import org.slf4j.LoggerFactory;
24 import com.google.common.base.Predicate;
25 import com.google.common.collect.Iterables;
26 import com.google.common.collect.Maps;
28 public class ProviderNetworkManagerImpl implements NetworkingProviderManager {
30 static final Logger logger = LoggerFactory.getLogger(ProviderNetworkManagerImpl.class);
31 private HashMap<Long, ProviderEntry> providers = Maps.newHashMap();
32 private HashMap<Node, NetworkingProvider> nodeToProviderMapping = Maps.newHashMap();
35 public NetworkingProvider getProvider(Node node) {
36 if (nodeToProviderMapping.get(node) != null) {
37 return nodeToProviderMapping.get(node);
40 final String targetVersion = Constants.OPENFLOW13;
41 Predicate<ProviderEntry> providerEntryPredicate = new Predicate<ProviderEntry>() {
43 public boolean apply(ProviderEntry providerEntry) {
44 //ToDo: This should match on southboundProtocol and providerType too
45 return providerEntry.getProperties().get(Constants.OPENFLOW_VERSION_PROPERTY).equals(targetVersion);
49 Iterable<ProviderEntry> matchingProviders = Iterables.filter(providers.values(), providerEntryPredicate);
50 if (!matchingProviders.iterator().hasNext()) {
51 logger.error("No providers matching {} found", targetVersion);
54 // Return the first match as only have one matching provider today
55 // ToDo: Tie-breaking logic
56 NetworkingProvider provider = matchingProviders.iterator().next().getProvider();
57 nodeToProviderMapping.put(node, provider);
61 public void providerAdded(final ServiceReference ref, final NetworkingProvider provider){
62 Map <String, String> properties = Maps.newHashMap();
63 Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
64 properties.put(Constants.SOUTHBOUND_PROTOCOL_PROPERTY, (String) ref.getProperty(Constants.SOUTHBOUND_PROTOCOL_PROPERTY));
65 properties.put(Constants.OPENFLOW_VERSION_PROPERTY, (String) ref.getProperty(Constants.OPENFLOW_VERSION_PROPERTY));
66 properties.put(Constants.PROVIDER_TYPE_PROPERTY, (String) ref.getProperty(Constants.PROVIDER_TYPE_PROPERTY));
67 providers.put(pid, new ProviderEntry(provider, properties));
68 logger.info("Neutron Networking Provider Registered: {}, with {} and pid={}", provider.getClass().getName(), properties.toString(), pid);
71 public void providerRemoved(final ServiceReference ref){
72 Long pid = (Long)ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
73 providers.remove(pid);
74 logger.info("Neutron Networking Provider Removed: {}", pid);
77 private class ProviderEntry {
78 NetworkingProvider provider;
79 Map<String, String> properties;
81 ProviderEntry(NetworkingProvider provider, Map<String, String> properties) {
82 this.provider = provider;
83 this.properties = properties;
86 public NetworkingProvider getProvider() {
90 public Map<String, String> getProperties() {