2 * Copyright (c) 2014 Cisco Systems, 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
9 package org.opendaylight.groupbasedpolicy.renderer.ofoverlay;
11 import java.util.concurrent.Executors;
12 import java.util.concurrent.ScheduledExecutorService;
14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
15 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
17 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
20 import org.opendaylight.groupbasedpolicy.resolver.PolicyResolver;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.ofoverlay.rev140528.OfOverlayConfig;
22 import org.opendaylight.yangtools.concepts.ListenerRegistration;
23 import org.opendaylight.yangtools.yang.binding.DataObject;
24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
28 import com.google.common.base.Optional;
29 import com.google.common.util.concurrent.FutureCallback;
30 import com.google.common.util.concurrent.Futures;
31 import com.google.common.util.concurrent.ListenableFuture;
34 * Renderer that uses OpenFlow and OVSDB to implement an overlay network
38 public class OFOverlayRenderer implements AutoCloseable, DataChangeListener {
39 private static final Logger LOG =
40 LoggerFactory.getLogger(OFOverlayRenderer.class);
42 private final DataBroker dataBroker;
43 private final PolicyResolver policyResolver;
44 private final SwitchManager switchManager;
45 private final EndpointManager endpointManager;
46 private final PolicyManager policyManager;
48 private final ScheduledExecutorService executor;
50 private static final InstanceIdentifier<OfOverlayConfig> configIid =
51 InstanceIdentifier.builder(OfOverlayConfig.class).build();
53 private OfOverlayConfig config;
54 ListenerRegistration<DataChangeListener> configReg;
56 public OFOverlayRenderer(DataBroker dataProvider,
57 RpcProviderRegistry rpcRegistry) {
59 this.dataBroker = dataProvider;
61 int numCPU = Runtime.getRuntime().availableProcessors();
62 //TODO: Consider moving to groupbasedpolicy-ofoverlay-config so as to be user configurable in distribution.
63 executor = Executors.newScheduledThreadPool(numCPU * 2);
65 switchManager = new SwitchManager(dataProvider, executor);
66 endpointManager = new EndpointManager(dataProvider, rpcRegistry,
67 executor, switchManager);
68 policyResolver = new PolicyResolver(dataProvider, executor);
70 policyManager = new PolicyManager(dataProvider,
78 dataProvider.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION,
81 DataChangeScope.SUBTREE);
83 LOG.info("Initialized OFOverlay renderer");
92 public void close() throws Exception {
93 executor.shutdownNow();
94 if (configReg != null) configReg.close();
95 if (policyResolver != null) policyResolver.close();
96 if (switchManager != null) switchManager.close();
97 if (endpointManager != null) endpointManager.close();
100 // ******************
101 // DataChangeListener
102 // ******************
105 public void onDataChanged(AsyncDataChangeEvent<InstanceIdentifier<?>,
106 DataObject> change) {
114 private void readConfig() {
115 ListenableFuture<Optional<OfOverlayConfig>> dao =
116 dataBroker.newReadOnlyTransaction()
117 .read(LogicalDatastoreType.CONFIGURATION, configIid);
118 Futures.addCallback(dao, new FutureCallback<Optional<OfOverlayConfig>>() {
120 public void onSuccess(final Optional<OfOverlayConfig> result) {
121 if (!result.isPresent()) return;
122 if (result.get() instanceof OfOverlayConfig) {
123 config = (OfOverlayConfig)result.get();
129 public void onFailure(Throwable t) {
130 LOG.error("Failed to read configuration", t);
135 private void applyConfig() {
136 switchManager.setEncapsulationFormat(config.getEncapsulationFormat());
137 endpointManager.setLearningMode(config.getLearningMode());
138 policyManager.setLearningMode(config.getLearningMode());