2 * Copyright (c) 2015 Red Hat, Inc. and others. All rights reserved.
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 package org.opendaylight.ovsdb.openstack.netvirt.impl;
10 import com.google.common.collect.Lists;
11 import com.google.common.collect.Maps;
12 import java.util.List;
14 import java.util.concurrent.ConcurrentHashMap;
15 import org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent;
16 import org.opendaylight.ovsdb.openstack.netvirt.AbstractHandler;
17 import org.opendaylight.ovsdb.openstack.netvirt.MdsalUtils;
18 import org.opendaylight.ovsdb.openstack.netvirt.NodeCacheManagerEvent;
19 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
20 import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheListener;
21 import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheManager;
22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
24 import org.osgi.framework.ServiceReference;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 * @author Flavio Fernandes (ffernand@redhat.com)
30 * @author Sam Hague (shague@redhat.com)
32 public class NodeCacheManagerImpl extends AbstractHandler implements NodeCacheManager {
34 private static final Logger logger = LoggerFactory.getLogger(NodeCacheManagerImpl.class);
35 private final Object nodeCacheLock = new Object();
36 private Map<NodeId, Node> nodeCache = new ConcurrentHashMap<>();
37 private Map<Long, NodeCacheListener> handlers = Maps.newHashMap();
40 logger.info(">>>>> init {}", this.getClass());
44 public void nodeAdded(Node node) {
45 logger.debug("nodeAdded: {}", node);
46 enqueueEvent(new NodeCacheManagerEvent(node, Action.UPDATE));
50 public void nodeRemoved(Node node) {
51 logger.debug("nodeRemoved: {}", node);
52 enqueueEvent(new NodeCacheManagerEvent(node, Action.DELETE));
56 // might need to break this into two different events
57 // notifyOvsdbNode, notifyBridgeNode or just make sure the
58 // classes implementing the interface check for ovsdbNode or bridgeNode
59 private void processNodeUpdate(Node node) {
60 Action action = Action.UPDATE;
62 NodeId nodeId = node.getNodeId();
63 if (nodeCache.get(nodeId) == null) {
66 nodeCache.put(nodeId, node);
68 logger.debug("processNodeUpdate: {} Node type {} {}: {}",
70 MdsalUtils.getBridge(node) != null ? "BridgeNode" : "OvsdbNode",
71 action == Action.ADD ? "ADD" : "UPDATE",
74 for (NodeCacheListener handler : handlers.values()) {
76 handler.notifyNode(node, action);
77 } catch (Exception e) {
78 logger.error("Failed notifying node add event", e);
81 logger.warn("processNodeUpdate returns");
84 private void processNodeRemoved(Node node) {
85 nodeCache.remove(node);
86 for (NodeCacheListener handler : handlers.values()) {
88 handler.notifyNode(node, Action.DELETE);
89 } catch (Exception e) {
90 logger.error("Failed notifying node remove event", e);
93 logger.warn("processNodeRemoved returns");
99 * @param abstractEvent the {@link org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent} event to be handled.
100 * @see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
103 public void processEvent(AbstractEvent abstractEvent) {
104 if (!(abstractEvent instanceof NodeCacheManagerEvent)) {
105 logger.error("Unable to process abstract event " + abstractEvent);
108 NodeCacheManagerEvent ev = (NodeCacheManagerEvent) abstractEvent;
109 logger.debug("NodeCacheManagerImpl: dequeue: {}", ev);
110 switch (ev.getAction()) {
112 processNodeRemoved(ev.getNode());
115 processNodeUpdate(ev.getNode());
118 logger.warn("Unable to process event action " + ev.getAction());
123 public void cacheListenerAdded(final ServiceReference ref, NodeCacheListener handler){
124 Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
125 handlers.put(pid, handler);
126 logger.info("Node cache listener registered, pid {} {}", pid, handler.getClass().getName());
129 public void cacheListenerRemoved(final ServiceReference ref){
130 Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
131 handlers.remove(pid);
132 logger.debug("Node cache listener unregistered, pid {}", pid);
136 public Map<NodeId,Node> getOvsdbNodes() {
137 Map<NodeId,Node> ovsdbNodesMap = new ConcurrentHashMap<NodeId,Node>();
138 for (Map.Entry<NodeId, Node> ovsdbNodeEntry : nodeCache.entrySet()) {
139 if (MdsalUtils.extractOvsdbNode(ovsdbNodeEntry.getValue()) != null) {
140 ovsdbNodesMap.put(ovsdbNodeEntry.getKey(), ovsdbNodeEntry.getValue());
143 return ovsdbNodesMap;
147 public List<Node> getBridgeNodes() {
148 List<Node> nodes = Lists.newArrayList();
149 for (Node node : nodeCache.values()) {
150 if (MdsalUtils.getBridge(node) != null) {
158 public List<Node> getNodes() {
159 List<Node> nodes = Lists.newArrayList();
160 for (Node node : nodeCache.values()) {