netconf/sal-netconf-connector/src/main/java/org/opendaylight/controller/config/yang/md/sal/connector/netconf/NetconfConnectorModule.java

   1 /*
   2  * Copyright (c) 2014 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.controller.config.yang.md.sal.connector.netconf;
   9
  10 import static org.opendaylight.controller.config.api.JmxAttributeValidationException.checkCondition;
  11 import static org.opendaylight.controller.config.api.JmxAttributeValidationException.checkNotNull;
  12
  13 import com.google.common.base.Optional;
  14 import com.google.common.base.Strings;
  15 import com.google.common.collect.Lists;
  16 import io.netty.util.concurrent.EventExecutor;
  17 import java.io.File;
  18 import java.math.BigDecimal;
  19 import java.net.InetSocketAddress;
  20 import java.net.URL;
  21 import java.util.HashMap;
  22 import java.util.List;
  23 import java.util.Map;
  24 import java.util.concurrent.ExecutorService;
  25 import java.util.concurrent.Executors;
  26 import java.util.concurrent.ScheduledExecutorService;
  27 import java.util.concurrent.ThreadFactory;
  28 import org.opendaylight.controller.config.api.JmxAttributeValidationException;
  29 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  30 import org.opendaylight.controller.config.threadpool.ThreadPool;
  31 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  32 import org.opendaylight.controller.sal.core.api.Broker;
  33 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  34 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
  35 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
  36 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfigurationBuilder;
  37 import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
  38 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  39 import org.opendaylight.netconf.sal.connect.netconf.LibraryModulesSchemas;
  40 import org.opendaylight.netconf.sal.connect.netconf.NetconfDevice;
  41 import org.opendaylight.netconf.sal.connect.netconf.NetconfDeviceBuilder;
  42 import org.opendaylight.netconf.sal.connect.netconf.NetconfStateSchemas;
  43 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCommunicator;
  44 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  45 import org.opendaylight.netconf.sal.connect.netconf.listener.UserPreferences;
  46 import org.opendaylight.netconf.sal.connect.netconf.sal.KeepaliveSalFacade;
  47 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  48 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  49 import org.opendaylight.netconf.sal.connect.netconf.schema.YangLibrarySchemaYangSourceProvider;
  50 import org.opendaylight.protocol.framework.ReconnectStrategy;
  51 import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
  52 import org.opendaylight.protocol.framework.TimedReconnectStrategy;
  53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Host;
  54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  55 import org.opendaylight.yangtools.yang.common.QName;
  56 import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
  57 import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
  58 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
  59 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceFilter;
  60 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
  61 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
  62 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
  63 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
  64 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
  65 import org.opendaylight.yangtools.yang.model.repo.util.FilesystemSchemaSourceCache;
  66 import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
  67 import org.opendaylight.yangtools.yang.parser.util.TextToASTTransformer;
  68 import org.osgi.framework.BundleContext;
  69 import org.slf4j.Logger;
  70 import org.slf4j.LoggerFactory;
  71
  72 /**
  73  *
  74  */
  75 public final class NetconfConnectorModule extends org.opendaylight.controller.config.yang.md.sal.connector.netconf.AbstractNetconfConnectorModule
  76 {
  77     private static final Logger LOG = LoggerFactory.getLogger(NetconfConnectorModule.class);
  78
  79     /**
  80      * Filesystem based caches are stored relative to the cache directory.
  81      */
  82     private static final String CACHE_DIRECTORY = "cache";
  83
  84     /**
  85      * The default cache directory relative to <code>CACHE_DIRECTORY</code>
  86      */
  87     private static final String DEFAULT_CACHE_DIRECTORY = "schema";
  88
  89     /**
  90      * The qualified schema cache directory <code>cache/schema</code>
  91      */
  92     private static final String QUALIFIED_DEFAULT_CACHE_DIRECTORY = CACHE_DIRECTORY + File.separator+ DEFAULT_CACHE_DIRECTORY;
  93
  94     /**
  95      * The name for the default schema repository
  96      */
  97     private static final String DEFAULT_SCHEMA_REPOSITORY_NAME = "sal-netconf-connector";
  98
  99     /**
 100      * The default schema repository in the case that one is not specified.
 101      */
 102     private static final SharedSchemaRepository DEFAULT_SCHEMA_REPOSITORY =
 103             new SharedSchemaRepository(DEFAULT_SCHEMA_REPOSITORY_NAME);
 104
 105     /**
 106      * The default <code>FilesystemSchemaSourceCache</code>, which stores cached files in <code>cache/schema</code>.
 107      */
 108     private static final FilesystemSchemaSourceCache<YangTextSchemaSource> DEFAULT_CACHE =
 109             new FilesystemSchemaSourceCache<>(DEFAULT_SCHEMA_REPOSITORY, YangTextSchemaSource.class,
 110                     new File(QUALIFIED_DEFAULT_CACHE_DIRECTORY));
 111
 112     /**
 113      * The default factory for creating <code>SchemaContext</code> instances.
 114      */
 115     private static final SchemaContextFactory DEFAULT_SCHEMA_CONTEXT_FACTORY =
 116             DEFAULT_SCHEMA_REPOSITORY.createSchemaContextFactory(SchemaSourceFilter.ALWAYS_ACCEPT);
 117
 118     private static final int LOCAL_IO_FALLBACK_COST = PotentialSchemaSource.Costs.LOCAL_IO.getValue() + 1;
 119
 120     /**
 121      * Keeps track of initialized Schema resources.  A Map is maintained in which the key represents the name
 122      * of the schema cache directory, and the value is a corresponding <code>SchemaResourcesDTO</code>.  The
 123      * <code>SchemaResourcesDTO</code> is essentially a container that allows for the extraction of the
 124      * <code>SchemaRegistry</code> and <code>SchemaContextFactory</code> which should be used for a particular
 125      * Netconf mount.  Access to <code>schemaResourcesDTOs</code> should be surrounded by appropriate
 126      * synchronization locks.
 127      */
 128     private static volatile Map<String, NetconfDevice.SchemaResourcesDTO> schemaResourcesDTOs = new HashMap<>();
 129
 130     // Initializes default constant instances for the case when the default schema repository
 131     // directory cache/schema is used.
 132     static {
 133         schemaResourcesDTOs.put(DEFAULT_CACHE_DIRECTORY,
 134                 new NetconfDevice.SchemaResourcesDTO(DEFAULT_SCHEMA_REPOSITORY,
 135                         DEFAULT_SCHEMA_CONTEXT_FACTORY,
 136                         new NetconfStateSchemas.NetconfStateSchemasResolverImpl()));
 137         DEFAULT_SCHEMA_REPOSITORY.registerSchemaSourceListener(DEFAULT_CACHE);
 138         DEFAULT_SCHEMA_REPOSITORY.registerSchemaSourceListener(
 139                 TextToASTTransformer.create(DEFAULT_SCHEMA_REPOSITORY, DEFAULT_SCHEMA_REPOSITORY));
 140     }
 141
 142     private BundleContext bundleContext;
 143     private Optional<NetconfSessionPreferences> userCapabilities;
 144     private SchemaSourceRegistry schemaRegistry = DEFAULT_SCHEMA_REPOSITORY;
 145     private SchemaContextFactory schemaContextFactory = DEFAULT_SCHEMA_CONTEXT_FACTORY;
 146
 147     private Broker domRegistry;
 148     private NetconfClientDispatcher clientDispatcher;
 149     private BindingAwareBroker bindingRegistry;
 150     private ThreadPool processingExecutor;
 151     private ScheduledThreadPool keepaliveExecutor;
 152     private EventExecutor eventExecutor;
 153
 154     /**
 155      * The name associated with the Netconf mount point.  This value is passed from <code>NetconfConnectorModuleFactory</code>.
 156      */
 157     private String instanceName;
 158
 159     public NetconfConnectorModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier, final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver) {
 160         super(identifier, dependencyResolver);
 161     }
 162
 163     public NetconfConnectorModule(final org.opendaylight.controller.config.api.ModuleIdentifier identifier, final org.opendaylight.controller.config.api.DependencyResolver dependencyResolver, final NetconfConnectorModule oldModule, final java.lang.AutoCloseable oldInstance) {
 164         super(identifier, dependencyResolver, oldModule, oldInstance);
 165     }
 166
 167     @Override
 168     protected void customValidation() {
 169         checkNotNull(getAddress(), addressJmxAttribute);
 170         checkCondition(isHostAddressPresent(getAddress()), "Host address not present in " + getAddress(), addressJmxAttribute);
 171         checkNotNull(getPort(), portJmxAttribute);
 172
 173         checkNotNull(getConnectionTimeoutMillis(), connectionTimeoutMillisJmxAttribute);
 174         checkCondition(getConnectionTimeoutMillis() > 0, "must be > 0", connectionTimeoutMillisJmxAttribute);
 175
 176         checkNotNull(getDefaultRequestTimeoutMillis(), defaultRequestTimeoutMillisJmxAttribute);
 177         checkCondition(getDefaultRequestTimeoutMillis() > 0, "must be > 0", defaultRequestTimeoutMillisJmxAttribute);
 178
 179         checkNotNull(getBetweenAttemptsTimeoutMillis(), betweenAttemptsTimeoutMillisJmxAttribute);
 180         checkCondition(getBetweenAttemptsTimeoutMillis() > 0, "must be > 0", betweenAttemptsTimeoutMillisJmxAttribute);
 181
 182         // Check username + password in case of ssh
 183         if(getTcpOnly() == false) {
 184             checkNotNull(getUsername(), usernameJmxAttribute);
 185             checkNotNull(getPassword(), passwordJmxAttribute);
 186         }
 187
 188         userCapabilities = getUserCapabilities();
 189     }
 190
 191     private boolean isHostAddressPresent(final Host address) {
 192         return address.getDomainName() != null ||
 193                address.getIpAddress() != null && (address.getIpAddress().getIpv4Address() != null || address.getIpAddress().getIpv6Address() != null);
 194     }
 195
 196     @Deprecated
 197     private static ScheduledExecutorService DEFAULT_KEEPALIVE_EXECUTOR;
 198
 199     @Override
 200     public java.lang.AutoCloseable createInstance() {
 201         initDependencies();
 202         final RemoteDeviceId id = new RemoteDeviceId(getIdentifier(), getSocketAddress());
 203
 204         final ExecutorService globalProcessingExecutor = processingExecutor.getExecutor();
 205
 206         RemoteDeviceHandler<NetconfSessionPreferences> salFacade
 207                 = new NetconfDeviceSalFacade(id, domRegistry, bindingRegistry);
 208
 209         final Long keepaliveDelay = getKeepaliveDelay();
 210         if (shouldSendKeepalive()) {
 211             // Keepalive executor is optional for now and a default instance is supported
 212             final ScheduledExecutorService executor = keepaliveExecutor == null ? DEFAULT_KEEPALIVE_EXECUTOR : keepaliveExecutor.getExecutor();
 213
 214             salFacade = new KeepaliveSalFacade(id, salFacade, executor, keepaliveDelay, getDefaultRequestTimeoutMillis());
 215         }
 216
 217         // Setup information related to the SchemaRegistry, SchemaResourceFactory, etc.
 218         NetconfDevice.SchemaResourcesDTO schemaResourcesDTO = null;
 219         final String moduleSchemaCacheDirectory = getSchemaCacheDirectory();
 220         // Only checks to ensure the String is not empty or null;  further checks related to directory accessibility and file permissions
 221         // are handled during the FilesystemSchemaSourceCache initialization.
 222         if (!Strings.isNullOrEmpty(moduleSchemaCacheDirectory)) {
 223             // If a custom schema cache directory is specified, create the backing DTO; otherwise, the SchemaRegistry and
 224             // SchemaContextFactory remain the default values.
 225             if (!moduleSchemaCacheDirectory.equals(DEFAULT_CACHE_DIRECTORY)) {
 226                 // Multiple modules may be created at once;  synchronize to avoid issues with data consistency among threads.
 227                 synchronized(schemaResourcesDTOs) {
 228                     // Look for the cached DTO to reuse SchemaRegistry and SchemaContextFactory variables if they already exist
 229                     final NetconfDevice.SchemaResourcesDTO dto =
 230                             schemaResourcesDTOs.get(moduleSchemaCacheDirectory);
 231                     if (dto == null) {
 232                         schemaResourcesDTO = createSchemaResourcesDTO(moduleSchemaCacheDirectory);
 233                         schemaRegistry.registerSchemaSourceListener(
 234                                 TextToASTTransformer.create((SchemaRepository) schemaRegistry, schemaRegistry));
 235                         schemaResourcesDTOs.put(moduleSchemaCacheDirectory, schemaResourcesDTO);
 236                     } else {
 237                         setSchemaContextFactory(dto.getSchemaContextFactory());
 238                         setSchemaRegistry(dto.getSchemaRegistry());
 239                         schemaResourcesDTO = dto;
 240                     }
 241                     if (userCapabilities.isPresent()) {
 242                         for (QName qname : userCapabilities.get().getModuleBasedCaps()) {
 243                             final SourceIdentifier sourceIdentifier = RevisionSourceIdentifier
 244                                     .create(qname.getLocalName(), qname.getFormattedRevision());
 245                             dto.getSchemaRegistry().registerSchemaSource(DEFAULT_CACHE, PotentialSchemaSource
 246                                     .create(sourceIdentifier, YangTextSchemaSource.class, LOCAL_IO_FALLBACK_COST));
 247                         }
 248                     }
 249                 }
 250                 LOG.info("Netconf connector for device {} will use schema cache directory {} instead of {}",
 251                         instanceName, moduleSchemaCacheDirectory, DEFAULT_CACHE_DIRECTORY);
 252             }
 253         } else {
 254             LOG.warn("schema-cache-directory for {} is null or empty;  using the default {}",
 255                     instanceName, QUALIFIED_DEFAULT_CACHE_DIRECTORY);
 256         }
 257
 258         // pre register yang library sources as fallback schemas to schema registry
 259         List<SchemaSourceRegistration<YangTextSchemaSource>> registeredYangLibSources = Lists.newArrayList();
 260         if (getYangLibrary() != null) {
 261             final String yangLibURL = getYangLibrary().getYangLibraryUrl().getValue();
 262             final String yangLibUsername = getYangLibrary().getUsername();
 263             final String yangLigPassword = getYangLibrary().getPassword();
 264
 265             LibraryModulesSchemas libraryModulesSchemas;
 266             if(yangLibURL != null) {
 267                 if(yangLibUsername != null && yangLigPassword != null) {
 268                     libraryModulesSchemas = LibraryModulesSchemas.create(yangLibURL, yangLibUsername, yangLigPassword);
 269                 } else {
 270                     libraryModulesSchemas = LibraryModulesSchemas.create(yangLibURL);
 271                 }
 272
 273                 for (Map.Entry<SourceIdentifier, URL> sourceIdentifierURLEntry : libraryModulesSchemas.getAvailableModels().entrySet()) {
 274                     registeredYangLibSources.
 275                             add(schemaRegistry.registerSchemaSource(
 276                                     new YangLibrarySchemaYangSourceProvider(id, libraryModulesSchemas.getAvailableModels()),
 277                                     PotentialSchemaSource
 278                                             .create(sourceIdentifierURLEntry.getKey(), YangTextSchemaSource.class,
 279                                                     PotentialSchemaSource.Costs.REMOTE_IO.getValue())));
 280                 }
 281             }
 282         }
 283
 284         if (schemaResourcesDTO == null) {
 285             schemaResourcesDTO = new NetconfDevice.SchemaResourcesDTO(schemaRegistry, schemaContextFactory,
 286                     new NetconfStateSchemas.NetconfStateSchemasResolverImpl());
 287         }
 288
 289         final NetconfDevice device = new NetconfDeviceBuilder()
 290                 .setReconnectOnSchemasChange(getReconnectOnChangedSchema())
 291                 .setSchemaResourcesDTO(schemaResourcesDTO)
 292                 .setGlobalProcessingExecutor(globalProcessingExecutor)
 293                 .setId(id)
 294                 .setSalFacade(salFacade)
 295                 .build();
 296
 297         final NetconfDeviceCommunicator listener = userCapabilities.isPresent() ?
 298                 new NetconfDeviceCommunicator(id, device,
 299                         new UserPreferences(userCapabilities.get(), getYangModuleCapabilities().getOverride())):
 300                 new NetconfDeviceCommunicator(id, device);
 301
 302         if (shouldSendKeepalive()) {
 303             ((KeepaliveSalFacade) salFacade).setListener(listener);
 304         }
 305
 306         final NetconfReconnectingClientConfiguration clientConfig = getClientConfig(listener);
 307         listener.initializeRemoteConnection(clientDispatcher, clientConfig);
 308
 309         return new SalConnectorCloseable(listener, salFacade, registeredYangLibSources);
 310     }
 311
 312     /**
 313      * Creates the backing Schema classes for a particular directory.
 314      *
 315      * @param moduleSchemaCacheDirectory The string directory relative to "cache"
 316      * @return A DTO containing the Schema classes for the Netconf mount.
 317      */
 318     private NetconfDevice.SchemaResourcesDTO createSchemaResourcesDTO(final String moduleSchemaCacheDirectory) {
 319         final SharedSchemaRepository repository = new SharedSchemaRepository(instanceName);
 320         final SchemaContextFactory schemaContextFactory
 321                 = repository.createSchemaContextFactory(SchemaSourceFilter.ALWAYS_ACCEPT);
 322         setSchemaRegistry(repository);
 323         setSchemaContextFactory(schemaContextFactory);
 324         final FilesystemSchemaSourceCache<YangTextSchemaSource> deviceCache =
 325                 createDeviceFilesystemCache(moduleSchemaCacheDirectory);
 326         repository.registerSchemaSourceListener(deviceCache);
 327         return new NetconfDevice.SchemaResourcesDTO(repository, schemaContextFactory,
 328                 new NetconfStateSchemas.NetconfStateSchemasResolverImpl());
 329     }
 330
 331     /**
 332      * Creates a <code>FilesystemSchemaSourceCache</code> for the custom schema cache directory.
 333      *
 334      * @param schemaCacheDirectory The custom cache directory relative to "cache"
 335      * @return A <code>FilesystemSchemaSourceCache</code> for the custom schema cache directory
 336      */
 337     private FilesystemSchemaSourceCache<YangTextSchemaSource> createDeviceFilesystemCache(final String schemaCacheDirectory) {
 338         final String relativeSchemaCacheDirectory = CACHE_DIRECTORY + File.separator + schemaCacheDirectory;
 339         return new FilesystemSchemaSourceCache<>(schemaRegistry, YangTextSchemaSource.class, new File(relativeSchemaCacheDirectory));
 340     }
 341
 342     private void initDependencies() {
 343         domRegistry = getDomRegistryDependency();
 344         clientDispatcher = getClientDispatcherDependency();
 345         bindingRegistry = getBindingRegistryDependency();
 346         processingExecutor = getProcessingExecutorDependency();
 347         eventExecutor = getEventExecutorDependency();
 348
 349         if(getKeepaliveExecutor() == null) {
 350             LOG.warn("Keepalive executor missing. Using default instance for now, the configuration needs to be updated");
 351
 352             // Instantiate the default executor, now we know its necessary
 353             if(DEFAULT_KEEPALIVE_EXECUTOR == null) {
 354                 DEFAULT_KEEPALIVE_EXECUTOR = Executors.newScheduledThreadPool(2, new ThreadFactory() {
 355                     @Override
 356                     public Thread newThread(final Runnable r) {
 357                         final Thread thread = new Thread(r);
 358                         thread.setName("netconf-southound-keepalives-" + thread.getId());
 359                         thread.setDaemon(true);
 360                         return thread;
 361                     }
 362                 });
 363             }
 364         } else {
 365             keepaliveExecutor = getKeepaliveExecutorDependency();
 366         }
 367     }
 368
 369     private boolean shouldSendKeepalive() {
 370         return getKeepaliveDelay() > 0;
 371     }
 372
 373     private Optional<NetconfSessionPreferences> getUserCapabilities() {
 374         if(getYangModuleCapabilities() == null) {
 375             return Optional.absent();
 376         }
 377
 378         final List<String> capabilities = getYangModuleCapabilities().getCapability();
 379         if(capabilities == null || capabilities.isEmpty()) {
 380             return Optional.absent();
 381         }
 382
 383         final NetconfSessionPreferences parsedOverrideCapabilities = NetconfSessionPreferences.fromStrings(capabilities);
 384         JmxAttributeValidationException.checkCondition(
 385                 parsedOverrideCapabilities.getNonModuleCaps().isEmpty(),
 386                 "Capabilities to override can only contain module based capabilities, non-module capabilities will be retrieved from the device," +
 387                         " configured non-module capabilities: " + parsedOverrideCapabilities.getNonModuleCaps(),
 388                 yangModuleCapabilitiesJmxAttribute);
 389
 390         return Optional.of(parsedOverrideCapabilities);
 391     }
 392
 393     public NetconfReconnectingClientConfiguration getClientConfig(final NetconfDeviceCommunicator listener) {
 394         final InetSocketAddress socketAddress = getSocketAddress();
 395         final long clientConnectionTimeoutMillis = getConnectionTimeoutMillis();
 396
 397         final ReconnectStrategyFactory sf = new TimedReconnectStrategyFactory(eventExecutor,
 398                 getMaxConnectionAttempts(), getBetweenAttemptsTimeoutMillis(), getSleepFactor());
 399         final ReconnectStrategy strategy = sf.createReconnectStrategy();
 400
 401         return NetconfReconnectingClientConfigurationBuilder.create()
 402         .withAddress(socketAddress)
 403         .withConnectionTimeoutMillis(clientConnectionTimeoutMillis)
 404         .withReconnectStrategy(strategy)
 405         .withAuthHandler(new LoginPassword(getUsername(), getPassword()))
 406         .withProtocol(getTcpOnly() ?
 407                 NetconfClientConfiguration.NetconfClientProtocol.TCP :
 408                 NetconfClientConfiguration.NetconfClientProtocol.SSH)
 409         .withConnectStrategyFactory(sf)
 410         .withSessionListener(listener)
 411         .build();
 412     }
 413
 414     private static final class SalConnectorCloseable implements AutoCloseable {
 415         private final RemoteDeviceHandler<NetconfSessionPreferences> salFacade;
 416         private final List<SchemaSourceRegistration<YangTextSchemaSource>> registeredYangLibSources;
 417         private final NetconfDeviceCommunicator listener;
 418
 419         public SalConnectorCloseable(final NetconfDeviceCommunicator listener,
 420                                      final RemoteDeviceHandler<NetconfSessionPreferences> salFacade,
 421                                      final List<SchemaSourceRegistration<YangTextSchemaSource>> registeredYangLibSources) {
 422             this.listener = listener;
 423             this.salFacade = salFacade;
 424             this.registeredYangLibSources = registeredYangLibSources;
 425         }
 426
 427         @Override
 428         public void close() {
 429             for (SchemaSourceRegistration<YangTextSchemaSource> registeredYangLibSource : registeredYangLibSources) {
 430                 registeredYangLibSource.close();
 431             }
 432             listener.close();
 433             salFacade.close();
 434         }
 435     }
 436
 437     private static final class TimedReconnectStrategyFactory implements ReconnectStrategyFactory {
 438         private final Long connectionAttempts;
 439         private final EventExecutor executor;
 440         private final double sleepFactor;
 441         private final int minSleep;
 442
 443         TimedReconnectStrategyFactory(final EventExecutor executor, final Long maxConnectionAttempts, final int minSleep, final BigDecimal sleepFactor) {
 444             if (maxConnectionAttempts != null && maxConnectionAttempts > 0) {
 445                 connectionAttempts = maxConnectionAttempts;
 446             } else {
 447                 LOG.trace("Setting {} on {} to infinity", maxConnectionAttemptsJmxAttribute, this);
 448                 connectionAttempts = null;
 449             }
 450
 451             this.sleepFactor = sleepFactor.doubleValue();
 452             this.executor = executor;
 453             this.minSleep = minSleep;
 454         }
 455
 456         @Override
 457         public ReconnectStrategy createReconnectStrategy() {
 458             final Long maxSleep = null;
 459             final Long deadline = null;
 460
 461             return new TimedReconnectStrategy(executor, minSleep,
 462                     minSleep, sleepFactor, maxSleep, connectionAttempts, deadline);
 463         }
 464     }
 465
 466     private InetSocketAddress getSocketAddress() {
 467         if(getAddress().getDomainName() != null) {
 468             return new InetSocketAddress(getAddress().getDomainName().getValue(), getPort().getValue());
 469         } else {
 470             final IpAddress ipAddress = getAddress().getIpAddress();
 471             final String ip = ipAddress.getIpv4Address() != null ? ipAddress.getIpv4Address().getValue() : ipAddress.getIpv6Address().getValue();
 472             return new InetSocketAddress(ip, getPort().getValue());
 473         }
 474     }
 475
 476     public void setSchemaRegistry(final SchemaSourceRegistry schemaRegistry) {
 477         this.schemaRegistry = schemaRegistry;
 478     }
 479
 480     public void setSchemaContextFactory(final SchemaContextFactory schemaContextFactory) {
 481         this.schemaContextFactory = schemaContextFactory;
 482     }
 483
 484     public void setInstanceName(final String instanceName) {
 485         this.instanceName = instanceName;
 486     }
 487 }