/*
- * Copyright (C) 2014 Red Hat, Inc.
+ * Copyright (c) 2014, 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
- *
- * Authors : Dave Tucker, Madhu Venugopal
*/
package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13;
+import java.util.Collections;
import java.util.List;
import java.util.Map;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.LinkedBlockingQueue;
+import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
+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.openstack.netvirt.providers.ConfigInterface;
+import org.opendaylight.ovsdb.utils.servicehelper.ServiceHelper;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+import org.osgi.framework.BundleContext;
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;
-public class PipelineOrchestratorImpl implements PipelineOrchestrator {
+public class PipelineOrchestratorImpl implements ConfigInterface, NodeCacheListener, PipelineOrchestrator {
+ private static final Logger LOG = LoggerFactory.getLogger(PipelineOrchestratorImpl.class);
+
+ public List<Service> getStaticPipeline() {
+ return staticPipeline;
+ }
private List<Service> staticPipeline = Lists.newArrayList(
- Service.CLASSIFIER,
- Service.ARP_RESPONDER,
- Service.INBOUND_NAT,
- Service.INGRESS_ACL,
- Service.LOAD_BALANCER,
- Service.ROUTING,
- Service.L2_REWRITE,
- Service.L2_FORWARDING,
- Service.EGRESS_ACL,
- Service.OUTBOUND_NAT
- );
+ Service.CLASSIFIER,
+ Service.ARP_RESPONDER,
+ Service.INBOUND_NAT,
+ Service.EGRESS_ACL,
+ Service.LOAD_BALANCER,
+ Service.ROUTING,
+ Service.L3_FORWARDING,
+ Service.L2_REWRITE,
+ Service.INGRESS_ACL,
+ Service.OUTBOUND_NAT,
+ Service.L2_FORWARDING
+ );
+
+ public Map<Service, AbstractServiceInstance> getServiceRegistry() {
+ return serviceRegistry;
+ }
+
Map<Service, AbstractServiceInstance> serviceRegistry = Maps.newConcurrentMap();
+ private volatile BlockingQueue<Node> queue;
+ private ExecutorService eventHandler;
+ private Southbound southbound;
public PipelineOrchestratorImpl() {
+ eventHandler = Executors.newSingleThreadExecutor();
+ this.queue = new LinkedBlockingQueue<>();
+ LOG.info("PipelineOrchestratorImpl constructor");
+ start();
}
public void registerService(final ServiceReference ref, AbstractServiceInstance serviceInstance){
Service service = (Service)ref.getProperty(AbstractServiceInstance.SERVICE_PROPERTY);
+ LOG.info("registerService {} - {}", serviceInstance, service);
serviceRegistry.put(service, serviceInstance);
+ // insert the service if not already there. The list is ordered based of table ID.
+ if (!staticPipeline.contains(service) && !isTableInPipeline(service.getTable())) {
+ staticPipeline.add(service);
+ Collections.sort(staticPipeline, Service.insertComparator);
+ }
+ LOG.info("registerService: {}", staticPipeline);
+ }
+
+ private boolean isTableInPipeline (short tableId) {
+ boolean found = false;
+ for (Service service : staticPipeline) {
+ if (service.getTable() == tableId) {
+ found = true;
+ break;
+ }
+ }
+ return found;
}
public void unregisterService(final ServiceReference ref) {
@Override
public Service getNextServiceInPipeline(Service service) {
int index = staticPipeline.indexOf(service);
- if (index >= staticPipeline.size() - 1) return null;
+ if (index >= staticPipeline.size() - 1) {
+ return null;
+ }
return staticPipeline.get(index + 1);
}
@Override
public AbstractServiceInstance getServiceInstance(Service service) {
- if (service == null) return null;
+ if (service == null) {
+ return null;
+ }
return serviceRegistry.get(service);
}
+
+ public final void start() {
+ eventHandler.submit(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ while (true) {
+ Node node = queue.take();
+ LOG.info(">>>>> dequeue: {}", node);
+ for (Service service : staticPipeline) {
+ AbstractServiceInstance serviceInstance = getServiceInstance(service);
+ if (serviceInstance != null && southbound.getBridge(node) != null) {
+ serviceInstance.programDefaultPipelineRule(node);
+ }
+ }
+ }
+ } catch (Exception e) {
+ LOG.warn("Processing interrupted, terminating ", e);
+ }
+
+ while (!queue.isEmpty()) {
+ queue.poll();
+ }
+ queue = null;
+ }
+ });
+ }
+
+ public void stop() {
+ queue.clear();
+ eventHandler.shutdownNow();
+ }
+
+ @Override
+ public void enqueue(Node node) {
+ LOG.info(">>>>> enqueue: {}", node);
+ try {
+ queue.put(node);
+ } catch (InterruptedException e) {
+ LOG.warn("Failed to enqueue operation {}", node, e);
+ }
+ }
+
+ @Override
+ public void notifyNode(Node node, Action action) {
+ if (action == Action.ADD) {
+ enqueue(node);
+ } else {
+ LOG.info("update ignored: {}", node);
+ }
+ }
+
+ @Override
+ public void setDependencies(BundleContext bundleContext, ServiceReference serviceReference) {
+ NodeCacheManager nodeCacheManager =
+ (NodeCacheManager) ServiceHelper.getGlobalInstance(NodeCacheManager.class, this);
+ nodeCacheManager.cacheListenerAdded(
+ bundleContext.getServiceReference(PipelineOrchestrator.class.getName()), this);
+ southbound =
+ (Southbound) ServiceHelper.getGlobalInstance(Southbound.class, this);
+ }
+
+ @Override
+ public void setDependencies(Object impl) {}
}
Code Review / netvirt.git / blobdiff