+++ /dev/null
-/*
- * Copyright (c) 2015 Red Hat, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.ovsdb.openstack.netvirt.impl;
-
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent;
-import org.opendaylight.ovsdb.openstack.netvirt.AbstractHandler;
-import org.opendaylight.ovsdb.openstack.netvirt.ConfigInterface;
-import org.opendaylight.ovsdb.openstack.netvirt.NodeCacheManagerEvent;
-import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
-import org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher;
-import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheListener;
-import org.opendaylight.ovsdb.openstack.netvirt.api.NodeCacheManager;
-import org.opendaylight.ovsdb.openstack.netvirt.api.Southbound;
-import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
-import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
-
-import org.osgi.framework.ServiceReference;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-
-/**
- * @author Flavio Fernandes (ffernand@redhat.com)
- * @author Sam Hague (shague@redhat.com)
- */
-public class NodeCacheManagerImpl extends AbstractHandler implements NodeCacheManager, ConfigInterface {
- private static final Logger LOG = LoggerFactory.getLogger(NodeCacheManagerImpl.class);
- private Map<NodeId, Node> nodeCache = new ConcurrentHashMap<>();
- private Map<Long, NodeCacheListener> handlers = Maps.newHashMap();
- private volatile Southbound southbound;
-
- @Override
- public void nodeAdded(Node node) {
- LOG.debug("nodeAdded: {}", node);
- enqueueEvent(new NodeCacheManagerEvent(node, Action.UPDATE));
- }
-
- @Override
- public void nodeRemoved(Node node) {
- LOG.debug("nodeRemoved: {}", node);
- enqueueEvent(new NodeCacheManagerEvent(node, Action.DELETE));
- }
-
- // TODO SB_MIGRATION
- // might need to break this into two different events
- // notifyOvsdbNode, notifyBridgeNode or just make sure the
- // classes implementing the interface check for ovsdbNode or bridgeNode
- private void processNodeUpdate(Node node) {
- Action action = Action.UPDATE;
-
- NodeId nodeId = node.getNodeId();
- if (nodeCache.get(nodeId) == null) {
- action = Action.ADD;
- }
- nodeCache.put(nodeId, node);
-
- LOG.debug("processNodeUpdate: size= {}, Node type= {}, action= {}, node= {}",
- nodeCache.size(),
- southbound.getBridge(node) != null ? "BridgeNode" : "OvsdbNode",
- action == Action.ADD ? "ADD" : "UPDATE",
- node);
-
- for (NodeCacheListener handler : handlers.values()) {
- try {
- handler.notifyNode(node, action);
- } catch (Exception e) {
- LOG.error("Failed notifying node add event", e);
- }
- }
- LOG.debug("processNodeUpdate returns");
- }
-
- private void processNodeRemoved(Node node) {
- nodeCache.remove(node.getNodeId());
- for (NodeCacheListener handler : handlers.values()) {
- try {
- handler.notifyNode(node, Action.DELETE);
- } catch (Exception e) {
- LOG.error("Failed notifying node remove event", e);
- }
- }
- LOG.warn("processNodeRemoved returns");
- }
-
- /**
- * Process the event.
- *
- * @param abstractEvent the {@link org.opendaylight.ovsdb.openstack.netvirt.AbstractEvent} event to be handled.
- * @see org.opendaylight.ovsdb.openstack.netvirt.api.EventDispatcher
- */
- @Override
- public void processEvent(AbstractEvent abstractEvent) {
- if (!(abstractEvent instanceof NodeCacheManagerEvent)) {
- LOG.error("Unable to process abstract event {}", abstractEvent);
- return;
- }
- NodeCacheManagerEvent ev = (NodeCacheManagerEvent) abstractEvent;
- LOG.debug("NodeCacheManagerImpl: dequeue: {}", ev);
- switch (ev.getAction()) {
- case DELETE:
- processNodeRemoved(ev.getNode());
- break;
- case UPDATE:
- processNodeUpdate(ev.getNode());
- break;
- default:
- LOG.warn("Unable to process event action {}", ev.getAction());
- break;
- }
- }
-
- public void cacheListenerAdded(final ServiceReference ref, NodeCacheListener handler){
- Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
- handlers.put(pid, handler);
- LOG.info("Node cache listener registered, pid {} {}", pid, handler.getClass().getName());
- }
-
- public void cacheListenerRemoved(final ServiceReference ref){
- Long pid = (Long) ref.getProperty(org.osgi.framework.Constants.SERVICE_ID);
- handlers.remove(pid);
- LOG.debug("Node cache listener unregistered, pid {}", pid);
- }
-
- @Override
- public Map<NodeId,Node> getOvsdbNodes() {
- Map<NodeId,Node> ovsdbNodesMap = new ConcurrentHashMap<>();
- for (Map.Entry<NodeId, Node> ovsdbNodeEntry : nodeCache.entrySet()) {
- if (southbound.extractOvsdbNode(ovsdbNodeEntry.getValue()) != null) {
- ovsdbNodesMap.put(ovsdbNodeEntry.getKey(), ovsdbNodeEntry.getValue());
- }
- }
- return ovsdbNodesMap;
- }
-
- @Override
- public List<Node> getBridgeNodes() {
- List<Node> nodes = Lists.newArrayList();
- for (Node node : nodeCache.values()) {
- if (southbound.getBridge(node) != null) {
- nodes.add(node);
- }
- }
- return nodes;
- }
-
- @Override
- public List <Long> getBridgeDpids(final String bridgeName) {
- List<Long> dpids = Lists.newArrayList();
- for (Node node : nodeCache.values()) {
- if (bridgeName == null || southbound.getBridge(node, bridgeName) != null) {
- long dpid = southbound.getDataPathId(node);
- if (dpid != 0L) {
- dpids.add(Long.valueOf(dpid));
- }
- }
- }
- return dpids;
- }
-
- @Override
- public List<Node> getNodes() {
- List<Node> nodes = Lists.newArrayList();
- for (Node node : nodeCache.values()) {
- nodes.add(node);
- }
- return nodes;
- }
-
- private void populateNodeCache() {
- LOG.debug("populateNodeCache : Populating the node cache");
- List<Node> nodes = southbound.readOvsdbTopologyNodes();
- for(Node ovsdbNode : nodes) {
- this.nodeCache.put(ovsdbNode.getNodeId(), ovsdbNode);
- }
- nodes = southbound.readOvsdbTopologyBridgeNodes();
- for(Node bridgeNode : nodes) {
- this.nodeCache.put(bridgeNode.getNodeId(), bridgeNode);
- }
- LOG.debug("populateNodeCache : Node cache population is done. Total nodes : {}",this.nodeCache.size());
- }
-
- @Override
- public void setDependencies(ServiceReference serviceReference) {
- southbound =
- (Southbound) ServiceHelper.getGlobalInstance(Southbound.class, this);
- eventDispatcher =
- (EventDispatcher) ServiceHelper.getGlobalInstance(EventDispatcher.class, this);
- eventDispatcher.eventHandlerAdded(serviceReference, this);
- populateNodeCache();
- }
-
- @Override
- public void setDependencies(Object impl) {}
-}
Code Review / ovsdb.git / blobdiff