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.controller.sal.core.Node;
16 import org.opendaylight.ovsdb.openstack.netvirt.api.ConfigurationService;
17 import org.opendaylight.ovsdb.openstack.netvirt.api.Constants;
18 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProvider;
19 import org.opendaylight.ovsdb.openstack.netvirt.api.NetworkingProviderManager;
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 // The provider for each of these services is resolved by the OSGi Service Manager
32 private volatile ConfigurationService configurationService;
34 private HashMap<Long, ProviderEntry> providers = Maps.newHashMap();
35 private HashMap<Node, NetworkingProvider> nodeToProviderMapping = Maps.newHashMap();
38 public NetworkingProvider getProvider(Node node) {
39 if (nodeToProviderMapping.get(node) != null) {
40 return nodeToProviderMapping.get(node);
43 final String targetVersion = Constants.OPENFLOW13;
45 * Since we have hard depedencies on OpenFlow1.3 to get any of the services supported, we are
46 * Hardcoding the Openflow13 as the only version that we are interested in
48 // final String targetVersion = configurationService.getOpenflowVersion(node);
50 Predicate<ProviderEntry> providerEntryPredicate = new Predicate<ProviderEntry>() {
52 public boolean apply(ProviderEntry providerEntry) {
53 //ToDo: This should match on southboundProtocol and providerType too
54 return providerEntry.getProperties().get(Constants.OPENFLOW_VERSION_PROPERTY).equals(targetVersion);
58 Iterable<ProviderEntry> matchingProviders = Iterables.filter(providers.values(), providerEntryPredicate);
59 if (!matchingProviders.iterator().hasNext()) {
60 logger.error("No providers matching {} found", targetVersion);
63 // Return the first match as only have one matching provider today
64 // ToDo: Tie-breaking logic
65 NetworkingProvider provider = matchingProviders.iterator().next().getProvider();
66 nodeToProviderMapping.put(node, provider);
70 public void providerAdded(final ServiceReference ref, final NetworkingProvider provider){
71 Map <String, String> properties = Maps.newHashMap();
72 Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
73 properties.put(Constants.SOUTHBOUND_PROTOCOL_PROPERTY, (String) ref.getProperty(Constants.SOUTHBOUND_PROTOCOL_PROPERTY));
74 properties.put(Constants.OPENFLOW_VERSION_PROPERTY, (String) ref.getProperty(Constants.OPENFLOW_VERSION_PROPERTY));
75 properties.put(Constants.PROVIDER_TYPE_PROPERTY, (String) ref.getProperty(Constants.PROVIDER_TYPE_PROPERTY));
76 providers.put(pid, new ProviderEntry(provider, properties));
77 logger.info("Neutron Networking Provider Registered: {}, with {} and pid={}", provider.getClass().getName(), properties.toString(), pid);
80 public void providerRemoved(final ServiceReference ref){
81 Long pid = (Long)ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
82 providers.remove(pid);
83 logger.info("Neutron Networking Provider Removed: {}", pid);
86 private class ProviderEntry {
87 NetworkingProvider provider;
88 Map<String, String> properties;
90 ProviderEntry(NetworkingProvider provider, Map<String, String> properties) {
91 this.provider = provider;
92 this.properties = properties;
95 public NetworkingProvider getProvider() {
99 public Map<String, String> getProperties() {