openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/device/DeviceManagerImpl.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 package org.opendaylight.openflowplugin.impl.device;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.base.Function;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.base.Verify;
  14 import com.google.common.collect.Iterators;
  15 import com.google.common.util.concurrent.AsyncFunction;
  16 import com.google.common.util.concurrent.FutureCallback;
  17 import com.google.common.util.concurrent.Futures;
  18 import com.google.common.util.concurrent.ListenableFuture;
  19 import io.netty.util.TimerTask;
  20 import java.util.Collections;
  21 import java.util.Iterator;
  22 import java.util.concurrent.ConcurrentHashMap;
  23 import java.util.concurrent.ConcurrentMap;
  24 import java.util.concurrent.ExecutionException;
  25 import java.util.concurrent.ScheduledThreadPoolExecutor;
  26 import java.util.concurrent.TimeUnit;
  27 import javax.annotation.CheckForNull;
  28 import javax.annotation.Nonnull;
  29 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  30 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  32 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  33 import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueueHandlerRegistration;
  34 import org.opendaylight.openflowplugin.api.openflow.OFPContext;
  35 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  36 import org.opendaylight.openflowplugin.api.openflow.connection.OutboundQueueProvider;
  37 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  38 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  39 import org.opendaylight.openflowplugin.api.openflow.device.DeviceManager;
  40 import org.opendaylight.openflowplugin.api.openflow.device.DeviceState;
  41 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
  42 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceInitializationPhaseHandler;
  43 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceTerminationPhaseHandler;
  44 import org.opendaylight.openflowplugin.api.openflow.lifecycle.LifecycleConductor;
  45 import org.opendaylight.openflowplugin.api.openflow.statistics.StatisticsContext;
  46 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterProviderKeeper;
  47 import org.opendaylight.openflowplugin.extension.api.core.extension.ExtensionConverterProvider;
  48 import org.opendaylight.openflowplugin.impl.connection.OutboundQueueProviderImpl;
  49 import org.opendaylight.openflowplugin.impl.device.listener.OpenflowProtocolListenerFullImpl;
  50 import org.opendaylight.openflowplugin.impl.util.DeviceInitializationUtils;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodesBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.role.service.rev150727.OfpRole;
  55 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  56 import org.slf4j.Logger;
  57 import org.slf4j.LoggerFactory;
  58
  59 /**
  60  *
  61  */
  62 public class DeviceManagerImpl implements DeviceManager, ExtensionConverterProviderKeeper {
  63
  64     private static final Logger LOG = LoggerFactory.getLogger(DeviceManagerImpl.class);
  65
  66     private final long globalNotificationQuota;
  67     private final boolean switchFeaturesMandatory;
  68
  69     private final int spyRate = 10;
  70
  71     private final DataBroker dataBroker;
  72     private TranslatorLibrary translatorLibrary;
  73     private DeviceInitializationPhaseHandler deviceInitPhaseHandler;
  74     private DeviceTerminationPhaseHandler deviceTerminPhaseHandler;
  75
  76     private final ConcurrentMap<DeviceInfo, DeviceContext> deviceContexts = new ConcurrentHashMap<>();
  77
  78     private final long barrierIntervalNanos;
  79     private final int barrierCountLimit;
  80     private ExtensionConverterProvider extensionConverterProvider;
  81     private ScheduledThreadPoolExecutor spyPool;
  82
  83     private final LifecycleConductor conductor;
  84
  85     public DeviceManagerImpl(@Nonnull final DataBroker dataBroker,
  86                              final long globalNotificationQuota, final boolean switchFeaturesMandatory,
  87                              final long barrierInterval, final int barrierCountLimit,
  88                              final LifecycleConductor lifecycleConductor) {
  89         this.switchFeaturesMandatory = switchFeaturesMandatory;
  90         this.globalNotificationQuota = globalNotificationQuota;
  91         this.dataBroker = Preconditions.checkNotNull(dataBroker);
  92         /* merge empty nodes to oper DS to predict any problems with missing parent for Node */
  93         final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
  94
  95         final NodesBuilder nodesBuilder = new NodesBuilder();
  96         nodesBuilder.setNode(Collections.<Node>emptyList());
  97         tx.merge(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(Nodes.class), nodesBuilder.build());
  98         try {
  99             tx.submit().get();
 100         } catch (ExecutionException | InterruptedException e) {
 101             LOG.error("Creation of node failed.", e);
 102             throw new IllegalStateException(e);
 103         }
 104
 105         this.barrierIntervalNanos = TimeUnit.MILLISECONDS.toNanos(barrierInterval);
 106         this.barrierCountLimit = barrierCountLimit;
 107
 108         this.conductor = lifecycleConductor;
 109         spyPool = new ScheduledThreadPoolExecutor(1);
 110     }
 111
 112
 113     @Override
 114     public void setDeviceInitializationPhaseHandler(final DeviceInitializationPhaseHandler handler) {
 115         this.deviceInitPhaseHandler = handler;
 116     }
 117
 118     @Override
 119     public void onDeviceContextLevelUp(@CheckForNull DeviceInfo deviceInfo) throws Exception {
 120         // final phase - we have to add new Device to MD-SAL DataStore
 121         LOG.debug("Final phase of DeviceContextLevelUp for Node: {} ", deviceInfo.getNodeId());
 122         DeviceContext deviceContext = Preconditions.checkNotNull(deviceContexts.get(deviceInfo));
 123         ((DeviceContextImpl) deviceContext).initialSubmitTransaction();
 124         deviceContext.onPublished();
 125     }
 126
 127     @Override
 128     public boolean deviceConnected(@CheckForNull final ConnectionContext connectionContext) throws Exception {
 129         Preconditions.checkArgument(connectionContext != null);
 130
 131         DeviceInfo deviceInfo = connectionContext.getDeviceInfo();
 132         /**
 133          * This part prevent destroy another device context. Throwing here an exception result to propagate close connection
 134          * in {@link org.opendaylight.openflowplugin.impl.connection.org.opendaylight.openflowplugin.impl.connection.HandshakeContextImpl}
 135          * If context already exist we are in state closing process (connection flapping) and we should not propagate connection close
 136          */
 137          if (deviceContexts.containsKey(deviceInfo)) {
 138             LOG.warn("Rejecting connection from node which is already connected and there exist deviceContext for it: {}", connectionContext.getNodeId());
 139              return false;
 140          }
 141
 142         LOG.info("ConnectionEvent: Device connected to controller, Device:{}, NodeId:{}",
 143                 connectionContext.getConnectionAdapter().getRemoteAddress(), deviceInfo.getNodeId());
 144
 145         // Add Disconnect handler
 146         connectionContext.setDeviceDisconnectedHandler(DeviceManagerImpl.this);
 147         // Cache this for clarity
 148         final ConnectionAdapter connectionAdapter = connectionContext.getConnectionAdapter();
 149
 150         //FIXME: as soon as auxiliary connection are fully supported then this is needed only before device context published
 151         connectionAdapter.setPacketInFiltering(true);
 152
 153         final OutboundQueueProvider outboundQueueProvider = new OutboundQueueProviderImpl(deviceInfo.getVersion());
 154
 155         connectionContext.setOutboundQueueProvider(outboundQueueProvider);
 156         final OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration =
 157                 connectionAdapter.registerOutboundQueueHandler(outboundQueueProvider, barrierCountLimit, barrierIntervalNanos);
 158         connectionContext.setOutboundQueueHandleRegistration(outboundQueueHandlerRegistration);
 159
 160         final DeviceState deviceState = new DeviceStateImpl();
 161         final DeviceContext deviceContext = new DeviceContextImpl(connectionContext,
 162                 deviceState,
 163                 dataBroker,
 164                 conductor,
 165                 outboundQueueProvider,
 166                 translatorLibrary);
 167
 168         Verify.verify(deviceContexts.putIfAbsent(deviceInfo, deviceContext) == null, "DeviceCtx still not closed.");
 169
 170         ((ExtensionConverterProviderKeeper) deviceContext).setExtensionConverterProvider(extensionConverterProvider);
 171         deviceContext.setNotificationPublishService(conductor.getNotificationPublishService());
 172
 173         updatePacketInRateLimiters();
 174
 175         final OpenflowProtocolListenerFullImpl messageListener = new OpenflowProtocolListenerFullImpl(
 176                 connectionAdapter, deviceContext);
 177         connectionAdapter.setMessageListener(messageListener);
 178         deviceState.setValid(true);
 179
 180         deviceInitPhaseHandler.onDeviceContextLevelUp(connectionContext.getDeviceInfo());
 181
 182         return true;
 183     }
 184
 185     private void updatePacketInRateLimiters() {
 186         synchronized (deviceContexts) {
 187             final int deviceContextsSize = deviceContexts.size();
 188             if (deviceContextsSize > 0) {
 189                 long freshNotificationLimit = globalNotificationQuota / deviceContextsSize;
 190                 if (freshNotificationLimit < 100) {
 191                     freshNotificationLimit = 100;
 192                 }
 193                 LOG.debug("fresh notification limit = {}", freshNotificationLimit);
 194                 for (final DeviceContext deviceContext : deviceContexts.values()) {
 195                     deviceContext.updatePacketInRateLimit(freshNotificationLimit);
 196                 }
 197             }
 198         }
 199     }
 200
 201     @Override
 202     public TranslatorLibrary oook() {
 203         return translatorLibrary;
 204     }
 205
 206     @Override
 207     public void setTranslatorLibrary(final TranslatorLibrary translatorLibrary) {
 208         this.translatorLibrary = translatorLibrary;
 209     }
 210
 211     @Override
 212     public void close() {
 213         for (final Iterator<DeviceContext> iterator = Iterators.consumingIterator(deviceContexts.values().iterator());
 214                 iterator.hasNext();) {
 215             final DeviceContext deviceCtx = iterator.next();
 216             deviceCtx.shutdownConnection();
 217             deviceCtx.shuttingDownDataStoreTransactions();
 218         }
 219
 220         if (spyPool != null) {
 221             spyPool.shutdownNow();
 222             spyPool = null;
 223         }
 224     }
 225
 226     @Override
 227     public void onDeviceContextLevelDown(final DeviceInfo deviceInfo) {
 228         LOG.debug("onDeviceContextClosed for Node {}", deviceInfo.getNodeId());
 229         deviceContexts.remove(deviceInfo);
 230         updatePacketInRateLimiters();
 231     }
 232
 233     @Override
 234     public void initialize() {
 235         spyPool.scheduleAtFixedRate(conductor.getMessageIntelligenceAgency(), spyRate, spyRate, TimeUnit.SECONDS);
 236     }
 237
 238     @Override
 239     public void setExtensionConverterProvider(final ExtensionConverterProvider extensionConverterProvider) {
 240         this.extensionConverterProvider = extensionConverterProvider;
 241     }
 242
 243     @Override
 244     public ExtensionConverterProvider getExtensionConverterProvider() {
 245         return extensionConverterProvider;
 246     }
 247
 248     @Override
 249     public void setDeviceTerminationPhaseHandler(final DeviceTerminationPhaseHandler handler) {
 250         this.deviceTerminPhaseHandler = handler;
 251     }
 252
 253     @Override
 254     public void onDeviceDisconnected(final ConnectionContext connectionContext) {
 255         LOG.trace("onDeviceDisconnected method call for Node: {}", connectionContext.getNodeId());
 256         final DeviceInfo deviceInfo = connectionContext.getDeviceInfo();
 257         final DeviceContext deviceCtx = this.deviceContexts.get(deviceInfo);
 258
 259         if (null == deviceCtx) {
 260             LOG.info("DeviceContext for Node {} was not found. Connection is terminated without OFP context suite.", deviceInfo.getNodeId());
 261             return;
 262         }
 263
 264         if (!connectionContext.equals(deviceCtx.getPrimaryConnectionContext())) {
 265             /* Connection is not PrimaryConnection so try to remove from Auxiliary Connections */
 266             deviceCtx.removeAuxiliaryConnectionContext(connectionContext);
 267         } else {
 268             /* Device is disconnected and so we need to close TxManager */
 269             final ListenableFuture<Void> future = deviceCtx.shuttingDownDataStoreTransactions();
 270             Futures.addCallback(future, new FutureCallback<Void>() {
 271
 272                 @Override
 273                 public void onSuccess(final Void result) {
 274                     LOG.debug("TxChainManager for device {} is closed successful.", deviceInfo.getNodeId());
 275                     deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
 276                 }
 277
 278                 @Override
 279                 public void onFailure(final Throwable t) {
 280                     LOG.warn("TxChainManager for device {} failed by closing.", deviceInfo.getNodeId(), t);
 281                     deviceTerminPhaseHandler.onDeviceContextLevelDown(deviceInfo);
 282                 }
 283             });
 284             /* Add timer for Close TxManager because it could fain ind cluster without notification */
 285             final TimerTask timerTask = timeout -> {
 286                 if (!future.isDone()) {
 287                     LOG.info("Shutting down TxChain for node {} not completed during 10 sec. Continue anyway.", deviceInfo.getNodeId());
 288                     future.cancel(false);
 289                 }
 290             };
 291             conductor.newTimeout(timerTask, 10, TimeUnit.SECONDS);
 292         }
 293     }
 294
 295     @VisibleForTesting
 296     void addDeviceContextToMap(final DeviceInfo deviceInfo, final DeviceContext deviceContext){
 297         deviceContexts.put(deviceInfo, deviceContext);
 298     }
 299
 300     @Override
 301     public <T extends OFPContext> T gainContext(final DeviceInfo deviceInfo) {
 302         return (T) deviceContexts.get(deviceInfo);
 303     }
 304
 305     @Override
 306     public ListenableFuture<Void> onClusterRoleChange(final DeviceInfo deviceInfo, final OfpRole role) {
 307         DeviceContext deviceContext = conductor.getDeviceContext(deviceInfo);
 308         LOG.trace("onClusterRoleChange {} for node:", role, deviceInfo.getNodeId());
 309         if (OfpRole.BECOMEMASTER.equals(role)) {
 310             return onDeviceTakeClusterLeadership(deviceInfo);
 311         }
 312         return ((DeviceContextImpl)deviceContext).getTransactionChainManager().deactivateTransactionManager();
 313     }
 314
 315     private ListenableFuture<Void> onDeviceTakeClusterLeadership(final DeviceInfo deviceInfo) {
 316         LOG.trace("onDeviceTakeClusterLeadership for node: {}", deviceInfo.getNodeId());
 317         /* validation */
 318         StatisticsContext statisticsContext = conductor.getStatisticsContext(deviceInfo);
 319         if (statisticsContext == null) {
 320             final String errMsg = String.format("DeviceCtx %s is up but we are missing StatisticsContext", deviceInfo.getDatapathId());
 321             LOG.warn(errMsg);
 322             return Futures.immediateFailedFuture(new IllegalStateException(errMsg));
 323         }
 324         DeviceContext deviceContext = conductor.getDeviceContext(deviceInfo);
 325         /* Prepare init info collecting */
 326         deviceContext.getDeviceState().setDeviceSynchronized(false);
 327         ((DeviceContextImpl)deviceContext).getTransactionChainManager().activateTransactionManager();
 328         /* Init Collecting NodeInfo */
 329         final ListenableFuture<Void> initCollectingDeviceInfo = DeviceInitializationUtils.initializeNodeInformation(
 330                 deviceContext, switchFeaturesMandatory);
 331         /* Init Collecting StatInfo */
 332         final ListenableFuture<Boolean> statPollFuture = Futures.transform(initCollectingDeviceInfo,
 333                 new AsyncFunction<Void, Boolean>() {
 334
 335                     @Override
 336                     public ListenableFuture<Boolean> apply(@Nonnull final Void input) throws Exception {
 337                         statisticsContext.statListForCollectingInitialization();
 338                         return statisticsContext.gatherDynamicData();
 339                     }
 340                 });
 341
 342         return Futures.transform(statPollFuture, new Function<Boolean, Void>() {
 343
 344             @Override
 345             public Void apply(final Boolean input) {
 346                 if (ConnectionContext.CONNECTION_STATE.RIP.equals(conductor.gainConnectionStateSafely(deviceInfo))) {
 347                     final String errMsg = String.format("We lost connection for Device %s, context has to be closed.",
 348                             deviceInfo.getNodeId());
 349                     LOG.warn(errMsg);
 350                     throw new IllegalStateException(errMsg);
 351                 }
 352                 if (!input) {
 353                     final String errMsg = String.format("Get Initial Device %s information fails",
 354                             deviceInfo.getNodeId());
 355                     LOG.warn(errMsg);
 356                     throw new IllegalStateException(errMsg);
 357                 }
 358                 LOG.debug("Get Initial Device {} information is successful", deviceInfo.getNodeId());
 359                 deviceContext.getDeviceState().setDeviceSynchronized(true);
 360                 ((DeviceContextImpl)deviceContext).getTransactionChainManager().initialSubmitWriteTransaction();
 361                 deviceContext.getDeviceState().setStatisticsPollingEnabledProp(true);
 362                 return null;
 363             }
 364         });
 365     }
 366
 367 }