Fix checkstyle warnings for impl/connection package and OpenFlowPluginProviderImpl
[openflowplugin.git] / openflowplugin-impl / src / main / java / org / opendaylight / openflowplugin / impl / OpenFlowPluginProviderImpl.java
1 /*
2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
3  *
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
7  */
8
9 package org.opendaylight.openflowplugin.impl;
10
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
13 import com.google.common.util.concurrent.ListenableFuture;
14 import io.netty.util.HashedWheelTimer;
15 import io.netty.util.Timer;
16 import java.lang.management.ManagementFactory;
17 import java.util.Collection;
18 import java.util.List;
19 import java.util.Objects;
20 import java.util.concurrent.ExecutionException;
21 import java.util.concurrent.SynchronousQueue;
22 import java.util.concurrent.ThreadPoolExecutor;
23 import java.util.concurrent.TimeUnit;
24 import java.util.concurrent.TimeoutException;
25 import java.util.stream.Collectors;
26 import javax.annotation.Nonnull;
27 import javax.management.InstanceAlreadyExistsException;
28 import javax.management.InstanceNotFoundException;
29 import javax.management.MBeanRegistrationException;
30 import javax.management.MBeanServer;
31 import javax.management.MalformedObjectNameException;
32 import javax.management.NotCompliantMBeanException;
33 import javax.management.ObjectName;
34 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
35 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
36 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
37 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
38 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
39 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
40 import org.opendaylight.openflowplugin.api.openflow.OpenFlowPluginProvider;
41 import org.opendaylight.openflowplugin.api.openflow.configuration.ConfigurationService;
42 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionManager;
43 import org.opendaylight.openflowplugin.api.openflow.device.DeviceManager;
44 import org.opendaylight.openflowplugin.api.openflow.mastership.MastershipChangeServiceManager;
45 import org.opendaylight.openflowplugin.api.openflow.role.RoleManager;
46 import org.opendaylight.openflowplugin.api.openflow.rpc.RpcManager;
47 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsManager;
48 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.MessageIntelligenceAgency;
49 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterProviderKeeper;
50 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterRegistrator;
51 import org.opendaylight.openflowplugin.extension.api.OpenFlowPluginExtensionRegistratorProvider;
52 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterManager;
53 import org.opendaylight.openflowplugin.impl.configuration.OpenFlowProviderConfigImpl;
54 import org.opendaylight.openflowplugin.impl.connection.ConnectionManagerImpl;
55 import org.opendaylight.openflowplugin.impl.device.DeviceManagerImpl;
56 import org.opendaylight.openflowplugin.impl.device.initialization.DeviceInitializerProvider;
57 import org.opendaylight.openflowplugin.impl.device.initialization.DeviceInitializerProviderFactory;
58 import org.opendaylight.openflowplugin.impl.lifecycle.ContextChainHolderImpl;
59 import org.opendaylight.openflowplugin.impl.protocol.deserialization.DeserializerInjector;
60 import org.opendaylight.openflowplugin.impl.protocol.serialization.SerializerInjector;
61 import org.opendaylight.openflowplugin.impl.role.RoleManagerImpl;
62 import org.opendaylight.openflowplugin.impl.rpc.RpcManagerImpl;
63 import org.opendaylight.openflowplugin.impl.statistics.StatisticsManagerImpl;
64 import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.MessageIntelligenceAgencyImpl;
65 import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.MessageIntelligenceAgencyMXBean;
66 import org.opendaylight.openflowplugin.impl.util.TranslatorLibraryUtil;
67 import org.opendaylight.openflowplugin.impl.util.ThreadPoolLoggingExecutor;
68 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManagerImpl;
69 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorManager;
70 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorManagerFactory;
71 import org.opendaylight.openflowplugin.openflow.md.core.session.OFSessionUtil;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflow.provider.config.rev160510.OpenflowProviderConfig;
73 import org.slf4j.Logger;
74 import org.slf4j.LoggerFactory;
75
76 public class OpenFlowPluginProviderImpl implements
77         OpenFlowPluginProvider,
78         OpenFlowPluginExtensionRegistratorProvider {
79
80     private static final Logger LOG = LoggerFactory.getLogger(OpenFlowPluginProviderImpl.class);
81
82     private static final int TICKS_PER_WHEEL = 500; // 0.5 sec.
83     private static final long TICK_DURATION = 10;
84     private static final String POOL_NAME = "ofppool";
85
86     private static final MessageIntelligenceAgency MESSAGE_INTELLIGENCE_AGENCY = new MessageIntelligenceAgencyImpl();
87     private static final String MESSAGE_INTELLIGENCE_AGENCY_MX_BEAN_NAME = String
88             .format("%s:type=%s",
89                     MessageIntelligenceAgencyMXBean.class.getPackage().getName(),
90                     MessageIntelligenceAgencyMXBean.class.getSimpleName());
91
92     private final HashedWheelTimer hashedWheelTimer =
93             new HashedWheelTimer(TICK_DURATION, TimeUnit.MILLISECONDS, TICKS_PER_WHEEL);
94     private final NotificationPublishService notificationPublishService;
95     private final ExtensionConverterManager extensionConverterManager;
96     private final DataBroker dataBroker;
97     private final Collection<SwitchConnectionProvider> switchConnectionProviders;
98     private final DeviceInitializerProvider deviceInitializerProvider;
99     private final ConvertorManager convertorManager;
100     private final RpcProviderRegistry rpcProviderRegistry;
101     private final ClusterSingletonServiceProvider singletonServicesProvider;
102     private final OpenflowProviderConfig config;
103     private final EntityOwnershipService entityOwnershipService;
104     private final MastershipChangeServiceManager mastershipChangeServiceManager;
105     private DeviceManager deviceManager;
106     private RpcManager rpcManager;
107     private StatisticsManager statisticsManager;
108     private RoleManager roleManager;
109     private ConnectionManager connectionManager;
110     private ThreadPoolExecutor threadPool;
111     private ContextChainHolderImpl contextChainHolder;
112
113     public static MessageIntelligenceAgency getMessageIntelligenceAgency() {
114         return MESSAGE_INTELLIGENCE_AGENCY;
115     }
116
117     OpenFlowPluginProviderImpl(final ConfigurationService configurationService,
118                                final List<SwitchConnectionProvider> switchConnectionProviders,
119                                final DataBroker dataBroker,
120                                final RpcProviderRegistry rpcProviderRegistry,
121                                final NotificationPublishService notificationPublishService,
122                                final ClusterSingletonServiceProvider singletonServiceProvider,
123                                final EntityOwnershipService entityOwnershipService,
124                                final MastershipChangeServiceManager mastershipChangeServiceManager) {
125         this.switchConnectionProviders = switchConnectionProviders;
126         this.dataBroker = dataBroker;
127         this.rpcProviderRegistry = rpcProviderRegistry;
128         this.notificationPublishService = notificationPublishService;
129         this.singletonServicesProvider = singletonServiceProvider;
130         this.entityOwnershipService = entityOwnershipService;
131         convertorManager = ConvertorManagerFactory.createDefaultManager();
132         extensionConverterManager = new ExtensionConverterManagerImpl();
133         deviceInitializerProvider = DeviceInitializerProviderFactory.createDefaultProvider();
134         config = new OpenFlowProviderConfigImpl(configurationService);
135         this.mastershipChangeServiceManager = mastershipChangeServiceManager;
136     }
137
138
139     private void startSwitchConnections() {
140         Futures.addCallback(Futures.allAsList(switchConnectionProviders.stream().map(switchConnectionProvider -> {
141             // Inject OpenFlowPlugin custom serializers and deserializers into OpenFlowJava
142             if (config.isUseSingleLayerSerialization()) {
143                 SerializerInjector.injectSerializers(switchConnectionProvider);
144                 DeserializerInjector.injectDeserializers(switchConnectionProvider);
145             } else {
146                 DeserializerInjector.revertDeserializers(switchConnectionProvider);
147             }
148
149             // Set handler of incoming connections and start switch connection provider
150             switchConnectionProvider.setSwitchConnectionHandler(connectionManager);
151             return switchConnectionProvider.startup();
152         }).collect(Collectors.toSet())), new FutureCallback<List<Boolean>>() {
153             @Override
154             public void onSuccess(final List<Boolean> result) {
155                 LOG.info("All switchConnectionProviders are up and running ({}).", result.size());
156             }
157
158             @Override
159             public void onFailure(@Nonnull final Throwable throwable) {
160                 LOG.warn("Some switchConnectionProviders failed to start.", throwable);
161             }
162         });
163     }
164
165     private ListenableFuture<List<Boolean>> shutdownSwitchConnections() {
166         final ListenableFuture<List<Boolean>> listListenableFuture =
167                 Futures.allAsList(switchConnectionProviders.stream().map(switchConnectionProvider -> {
168                     // Revert deserializers to their original state
169                     if (config.isUseSingleLayerSerialization()) {
170                         DeserializerInjector.revertDeserializers(switchConnectionProvider);
171                     }
172
173                     // Shutdown switch connection provider
174                     return switchConnectionProvider.shutdown();
175                 }).collect(Collectors.toSet()));
176
177         Futures.addCallback(listListenableFuture, new FutureCallback<List<Boolean>>() {
178             @Override
179             public void onSuccess(final List<Boolean> result) {
180                 LOG.info("All switchConnectionProviders were successfully shut down ({}).", result.size());
181             }
182
183             @Override
184             public void onFailure(@Nonnull final Throwable throwable) {
185                 LOG.warn("Some switchConnectionProviders failed to shutdown.", throwable);
186             }
187         });
188
189         return listListenableFuture;
190     }
191
192     @Override
193     public void initialize() {
194         registerMXBean(MESSAGE_INTELLIGENCE_AGENCY, MESSAGE_INTELLIGENCE_AGENCY_MX_BEAN_NAME);
195
196         // TODO: copied from OpenFlowPluginProvider (Helium) misusesing the old way of distributing extension converters
197         // TODO: rewrite later!
198         OFSessionUtil.getSessionManager().setExtensionConverterProvider(extensionConverterManager);
199
200         // Creates a thread pool that creates new threads as needed, but will reuse previously
201         // constructed threads when they are available.
202         // Threads that have not been used for x seconds are terminated and removed from the cache.
203         threadPool = new ThreadPoolLoggingExecutor(
204                 config.getThreadPoolMinThreads(),
205                 config.getThreadPoolMaxThreads().getValue(),
206                 config.getThreadPoolTimeout(),
207                 TimeUnit.SECONDS, new SynchronousQueue<>(), POOL_NAME);
208
209         deviceManager = new DeviceManagerImpl(
210                 config,
211                 dataBroker,
212                 getMessageIntelligenceAgency(),
213                 notificationPublishService,
214                 hashedWheelTimer,
215                 convertorManager,
216                 deviceInitializerProvider);
217
218         TranslatorLibraryUtil.injectBasicTranslatorLibrary(deviceManager, convertorManager);
219         ((ExtensionConverterProviderKeeper) deviceManager).setExtensionConverterProvider(extensionConverterManager);
220
221         rpcManager = new RpcManagerImpl(
222                 config,
223                 rpcProviderRegistry,
224                 extensionConverterManager,
225                 convertorManager,
226                 notificationPublishService);
227
228         statisticsManager = new StatisticsManagerImpl(
229                 config,
230                 rpcProviderRegistry,
231                 convertorManager);
232
233         roleManager = new RoleManagerImpl(hashedWheelTimer);
234
235         contextChainHolder = new ContextChainHolderImpl(
236                 threadPool,
237                 singletonServicesProvider,
238                 entityOwnershipService,
239                 mastershipChangeServiceManager);
240
241         contextChainHolder.addManager(deviceManager);
242         contextChainHolder.addManager(statisticsManager);
243         contextChainHolder.addManager(rpcManager);
244         contextChainHolder.addManager(roleManager);
245
246         connectionManager = new ConnectionManagerImpl(config, threadPool);
247         connectionManager.setDeviceConnectedHandler(contextChainHolder);
248         connectionManager.setDeviceDisconnectedHandler(contextChainHolder);
249
250         deviceManager.initialize();
251         startSwitchConnections();
252     }
253
254     @Override
255     public ExtensionConverterRegistrator getExtensionConverterRegistrator() {
256         return extensionConverterManager;
257     }
258
259     @Override
260     public void close() {
261         try {
262             shutdownSwitchConnections().get(10, TimeUnit.SECONDS);
263         } catch (InterruptedException | ExecutionException | TimeoutException e) {
264             LOG.warn("Failed to shut down switch connections in time {}s, error: {}", 10, e);
265         }
266
267         gracefulShutdown(contextChainHolder);
268         gracefulShutdown(deviceManager);
269         gracefulShutdown(rpcManager);
270         gracefulShutdown(statisticsManager);
271         gracefulShutdown(roleManager);
272         gracefulShutdown(threadPool);
273         gracefulShutdown(hashedWheelTimer);
274         unregisterMXBean(MESSAGE_INTELLIGENCE_AGENCY_MX_BEAN_NAME);
275     }
276
277     @SuppressWarnings("checkstyle:IllegalCatch")
278     private static void gracefulShutdown(final AutoCloseable closeable) {
279         if (Objects.isNull(closeable)) {
280             return;
281         }
282
283         try {
284             closeable.close();
285         } catch (Exception e) {
286             LOG.warn("Failed to shutdown {} gracefully.", closeable);
287         }
288     }
289
290     private static void gracefulShutdown(final Timer timer) {
291         if (Objects.isNull(timer)) {
292             return;
293         }
294
295         try {
296             timer.stop();
297         } catch (IllegalStateException e) {
298             LOG.warn("Failed to shutdown {} gracefully.", timer);
299         }
300     }
301
302     private static void gracefulShutdown(final ThreadPoolExecutor threadPoolExecutor) {
303         if (Objects.isNull(threadPoolExecutor)) {
304             return;
305         }
306
307         try {
308             threadPoolExecutor.shutdownNow();
309         } catch (SecurityException e) {
310             LOG.warn("Failed to shutdown {} gracefully.", threadPoolExecutor);
311         }
312     }
313
314     private static void registerMXBean(final Object bean, final String beanName) {
315         final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
316
317         try {
318             mbs.registerMBean(bean, new ObjectName(beanName));
319         } catch (MalformedObjectNameException
320                 | NotCompliantMBeanException
321                 | MBeanRegistrationException
322                 | InstanceAlreadyExistsException e) {
323             LOG.warn("Error registering MBean {}", e);
324         }
325     }
326
327     private static void unregisterMXBean(final String beanName) {
328         final MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
329
330         try {
331             mbs.unregisterMBean(new ObjectName(beanName));
332         } catch (InstanceNotFoundException
333                 | MBeanRegistrationException
334                 | MalformedObjectNameException e) {
335             LOG.warn("Error unregistering MBean {}", e);
336         }
337     }
338 }