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.Constants;
16 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProvider;
17 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProviderManager;
18 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
19 import org.osgi.framework.ServiceReference;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
23 import com.google.common.base.Predicate;
24 import com.google.common.collect.Iterables;
25 import com.google.common.collect.Maps;
27 public class ProviderNetworkManagerImpl implements NetworkingProviderManager {
29 static final Logger logger = LoggerFactory.getLogger(ProviderNetworkManagerImpl.class);
30 private HashMap<Long, ProviderEntry> providers = Maps.newHashMap();
31 private HashMap<Node, NetworkingProvider> nodeToProviderMapping = Maps.newHashMap();
34 logger.info(">>>>>> init ProviderNetworkManagerImpl");
38 public NetworkingProvider getProvider(Node node) {
39 if (nodeToProviderMapping.get(node) != null) {
40 return nodeToProviderMapping.get(node);
43 final String targetVersion = Constants.OPENFLOW13;
44 Predicate<ProviderEntry> providerEntryPredicate = new Predicate<ProviderEntry>() {
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);
52 Iterable<ProviderEntry> matchingProviders = Iterables.filter(providers.values(), providerEntryPredicate);
53 if (!matchingProviders.iterator().hasNext()) {
54 logger.error("No providers matching {} found", targetVersion);
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);
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 logger.info("Neutron Networking Provider Registered: {}, with {} and pid={}",
74 provider.getClass().getName(), properties.toString(), pid);
77 public void providerRemoved(final ServiceReference ref){
78 Long pid = (Long)ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
79 providers.remove(pid);
80 logger.info("Neutron Networking Provider Removed: {}", pid);
83 private class ProviderEntry {
84 NetworkingProvider provider;
85 Map<String, String> properties;
87 ProviderEntry(NetworkingProvider provider, Map<String, String> properties) {
88 this.provider = provider;
89 this.properties = properties;
92 public NetworkingProvider getProvider() {
96 public Map<String, String> getProperties() {