+/*
+ * Copyright (c) 2016 Cisco Systems, 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
+ */
+
+package org.opendaylight.netconf.topology.singleton.impl;
+
+import akka.actor.ActorRef;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import io.netty.util.concurrent.EventExecutor;
+import java.io.File;
+import java.math.BigDecimal;
+import java.net.InetSocketAddress;
+import java.net.URL;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import javax.annotation.Nullable;
+import org.opendaylight.netconf.api.NetconfMessage;
+import org.opendaylight.netconf.client.NetconfClientSessionListener;
+import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
+import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
+import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfigurationBuilder;
+import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.AuthenticationHandler;
+import org.opendaylight.netconf.nettyutil.handler.ssh.authentication.LoginPassword;
+import org.opendaylight.netconf.sal.connect.api.RemoteDevice;
+import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
+import org.opendaylight.netconf.sal.connect.netconf.LibraryModulesSchemas;
+import org.opendaylight.netconf.sal.connect.netconf.NetconfDevice;
+import org.opendaylight.netconf.sal.connect.netconf.NetconfDeviceBuilder;
+import org.opendaylight.netconf.sal.connect.netconf.NetconfStateSchemasResolverImpl;
+import org.opendaylight.netconf.sal.connect.netconf.SchemalessNetconfDevice;
+import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCapabilities;
+import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCommunicator;
+import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
+import org.opendaylight.netconf.sal.connect.netconf.listener.UserPreferences;
+import org.opendaylight.netconf.sal.connect.netconf.sal.KeepaliveSalFacade;
+import org.opendaylight.netconf.sal.connect.netconf.schema.YangLibrarySchemaYangSourceProvider;
+import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
+import org.opendaylight.netconf.topology.singleton.api.RemoteDeviceConnector;
+import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfConnectorDTO;
+import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologySetup;
+import org.opendaylight.netconf.topology.singleton.impl.utils.NetconfTopologyUtils;
+import org.opendaylight.protocol.framework.ReconnectStrategy;
+import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
+import org.opendaylight.protocol.framework.TimedReconnectStrategy;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Host;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.Credentials;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaContextFactory;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
+import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceFilter;
+import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
+import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
+import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
+import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
+import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
+import org.opendaylight.yangtools.yang.model.repo.util.FilesystemSchemaSourceCache;
+import org.opendaylight.yangtools.yang.parser.repo.SharedSchemaRepository;
+import org.opendaylight.yangtools.yang.parser.util.TextToASTTransformer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class RemoteDeviceConnectorImpl implements RemoteDeviceConnector {
+
+ private static final Logger LOG = LoggerFactory.getLogger(RemoteDeviceConnectorImpl.class);
+
+ /**
+ * Keeps track of initialized Schema resources. A Map is maintained in which the key represents the name
+ * of the schema cache directory, and the value is a corresponding <code>SchemaResourcesDTO</code>. The
+ * <code>SchemaResourcesDTO</code> is essentially a container that allows for the extraction of the
+ * <code>SchemaRegistry</code> and <code>SchemaContextFactory</code> which should be used for a particular
+ * Netconf mount. Access to <code>schemaResourcesDTOs</code> should be surrounded by appropriate
+ * synchronization locks.
+ */
+ private static final Map<String, NetconfDevice.SchemaResourcesDTO> schemaResourcesDTOs = new HashMap<>();
+
+ private SchemaSourceRegistry schemaRegistry = NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY;
+ private SchemaRepository schemaRepository = NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY;
+
+ private final NetconfTopologySetup netconfTopologyDeviceSetup;
+ private final RemoteDeviceId remoteDeviceId;
+
+ private SchemaContextFactory schemaContextFactory = NetconfTopologyUtils.DEFAULT_SCHEMA_CONTEXT_FACTORY;
+ private NetconfConnectorDTO deviceCommunicatorDTO;
+
+ // Initializes default constant instances for the case when the default schema repository
+ // directory cache/schema is used.
+ static {
+ schemaResourcesDTOs.put(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY,
+ new NetconfDevice.SchemaResourcesDTO(NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY,
+ NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY,
+ NetconfTopologyUtils.DEFAULT_SCHEMA_CONTEXT_FACTORY,
+ new NetconfStateSchemasResolverImpl()));
+ NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY.registerSchemaSourceListener(NetconfTopologyUtils.DEFAULT_CACHE);
+ NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY.registerSchemaSourceListener(
+ TextToASTTransformer.create(NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY,
+ NetconfTopologyUtils.DEFAULT_SCHEMA_REPOSITORY));
+ }
+
+ public RemoteDeviceConnectorImpl(final NetconfTopologySetup netconfTopologyDeviceSetup,
+ final RemoteDeviceId remoteDeviceId) {
+
+ this.netconfTopologyDeviceSetup = Preconditions.checkNotNull(netconfTopologyDeviceSetup);
+ this.remoteDeviceId = remoteDeviceId;
+ }
+
+ @Override
+ public void startRemoteDeviceConnection(final ActorRef deviceContextActorRef) {
+
+ final NetconfNode netconfNode = netconfTopologyDeviceSetup.getNode().getAugmentation(NetconfNode.class);
+ final NodeId nodeId = netconfTopologyDeviceSetup.getNode().getNodeId();
+ Preconditions.checkNotNull(netconfNode.getHost());
+ Preconditions.checkNotNull(netconfNode.getPort());
+ Preconditions.checkNotNull(netconfNode.isTcpOnly());
+
+ this.deviceCommunicatorDTO = createDeviceCommunicator(nodeId, netconfNode, deviceContextActorRef);
+ final NetconfDeviceCommunicator deviceCommunicator = deviceCommunicatorDTO.getCommunicator();
+ final NetconfClientSessionListener netconfClientSessionListener = deviceCommunicatorDTO.getSessionListener();
+ final NetconfReconnectingClientConfiguration clientConfig =
+ getClientConfig(netconfClientSessionListener, netconfNode);
+ final ListenableFuture<NetconfDeviceCapabilities> future = deviceCommunicator
+ .initializeRemoteConnection(netconfTopologyDeviceSetup.getNetconfClientDispatcher(), clientConfig);
+
+ Futures.addCallback(future, new FutureCallback<NetconfDeviceCapabilities>() {
+ @Override
+ public void onSuccess(NetconfDeviceCapabilities result) {
+ LOG.debug("{}: Connector started succesfully", nodeId.getValue());
+ }
+
+ @Override
+ public void onFailure(@Nullable Throwable throwable) {
+ LOG.error("{}: Connector failed, {}", nodeId.getValue(), throwable);
+ }
+ });
+ }
+
+ @Override
+ public void stopRemoteDeviceConnection() {
+ Preconditions.checkNotNull(deviceCommunicatorDTO, "Device communicator was not created.");
+ try {
+ deviceCommunicatorDTO.close();
+ } catch (Exception e) {
+ LOG.warn("{}: Error at closing device communicator.", remoteDeviceId);
+ }
+ }
+
+ @VisibleForTesting
+ NetconfConnectorDTO createDeviceCommunicator(final NodeId nodeId, final NetconfNode node,
+ final ActorRef deviceContextActorRef) {
+ //setup default values since default value is not supported in mdsal
+ final Long defaultRequestTimeoutMillis = node.getDefaultRequestTimeoutMillis() == null
+ ? NetconfTopologyUtils.DEFAULT_REQUEST_TIMEOUT_MILLIS : node.getDefaultRequestTimeoutMillis();
+ final Long keepaliveDelay = node.getKeepaliveDelay() == null
+ ? NetconfTopologyUtils.DEFAULT_KEEPALIVE_DELAY : node.getKeepaliveDelay();
+ final Boolean reconnectOnChangedSchema = node.isReconnectOnChangedSchema() == null
+ ? NetconfTopologyUtils.DEFAULT_RECONNECT_ON_CHANGED_SCHEMA : node.isReconnectOnChangedSchema();
+
+ RemoteDeviceHandler<NetconfSessionPreferences> salFacade = new MasterSalFacade(remoteDeviceId,
+ netconfTopologyDeviceSetup.getDomBroker(), netconfTopologyDeviceSetup.getBindingAwareBroker(),
+ netconfTopologyDeviceSetup.getActorSystem(), deviceContextActorRef);
+ if (keepaliveDelay > 0) {
+ LOG.info("Device: {} , Adding keepalive facade.", nodeId);
+ salFacade = new KeepaliveSalFacade(remoteDeviceId, salFacade,
+ netconfTopologyDeviceSetup.getKeepaliveExecutor().getExecutor(), keepaliveDelay,
+ defaultRequestTimeoutMillis);
+ }
+
+ // pre register yang library sources as fallback schemas to schema registry
+ List<SchemaSourceRegistration<YangTextSchemaSource>> registeredYangLibSources = Lists.newArrayList();
+ if (node.getYangLibrary() != null) {
+ final String yangLibURL = node.getYangLibrary().getYangLibraryUrl().getValue();
+ final String yangLibUsername = node.getYangLibrary().getUsername();
+ final String yangLigPassword = node.getYangLibrary().getPassword();
+
+ LibraryModulesSchemas libraryModulesSchemas;
+ if (yangLibURL != null) {
+ if (yangLibUsername != null && yangLigPassword != null) {
+ libraryModulesSchemas = LibraryModulesSchemas.create(yangLibURL, yangLibUsername, yangLigPassword);
+ } else {
+ libraryModulesSchemas = LibraryModulesSchemas.create(yangLibURL);
+ }
+
+ for (Map.Entry<SourceIdentifier, URL> sourceIdentifierURLEntry :
+ libraryModulesSchemas.getAvailableModels().entrySet()) {
+ registeredYangLibSources
+ .add(schemaRegistry.registerSchemaSource(
+ new YangLibrarySchemaYangSourceProvider(remoteDeviceId,
+ libraryModulesSchemas.getAvailableModels()),
+ PotentialSchemaSource
+ .create(sourceIdentifierURLEntry.getKey(), YangTextSchemaSource.class,
+ PotentialSchemaSource.Costs.REMOTE_IO.getValue())));
+ }
+ }
+ }
+
+ final NetconfDevice.SchemaResourcesDTO schemaResourcesDTO = setupSchemaCacheDTO(nodeId, node);
+ final RemoteDevice<NetconfSessionPreferences, NetconfMessage, NetconfDeviceCommunicator> device;
+ if (node.isSchemaless()) {
+ device = new SchemalessNetconfDevice(remoteDeviceId, salFacade);
+ } else {
+ device = new NetconfDeviceBuilder()
+ .setReconnectOnSchemasChange(reconnectOnChangedSchema)
+ .setSchemaResourcesDTO(schemaResourcesDTO)
+ .setGlobalProcessingExecutor(netconfTopologyDeviceSetup.getProcessingExecutor().getExecutor())
+ .setId(remoteDeviceId)
+ .setSalFacade(salFacade)
+ .build();
+ }
+
+ final Optional<NetconfSessionPreferences> userCapabilities = getUserCapabilities(node);
+ final int rpcMessageLimit =
+ node.getConcurrentRpcLimit() == null
+ ? NetconfTopologyUtils.DEFAULT_CONCURRENT_RPC_LIMIT : node.getConcurrentRpcLimit();
+
+ if (rpcMessageLimit < 1) {
+ LOG.info("Device: {}, Concurrent rpc limit is smaller than 1, no limit will be enforced.", remoteDeviceId);
+ }
+
+ return new NetconfConnectorDTO(
+ userCapabilities.isPresent()
+ ? new NetconfDeviceCommunicator(
+ remoteDeviceId, device, new UserPreferences(userCapabilities.get(),
+ node.getYangModuleCapabilities().isOverride()), rpcMessageLimit) :
+ new NetconfDeviceCommunicator(remoteDeviceId, device, rpcMessageLimit), salFacade);
+ }
+
+ private Optional<NetconfSessionPreferences> getUserCapabilities(final NetconfNode node) {
+ if (node.getYangModuleCapabilities() == null) {
+ return Optional.empty();
+ }
+
+ final List<String> capabilities = node.getYangModuleCapabilities().getCapability();
+ if (capabilities == null || capabilities.isEmpty()) {
+ return Optional.empty();
+ }
+
+ final NetconfSessionPreferences parsedOverrideCapabilities =
+ NetconfSessionPreferences.fromStrings(capabilities);
+ Preconditions.checkState(parsedOverrideCapabilities.getNonModuleCaps().isEmpty(),
+ "Capabilities to override can only contain module based capabilities, non-module capabilities "
+ + "will be retrieved from the device, configured non-module capabilities: "
+ + parsedOverrideCapabilities.getNonModuleCaps());
+
+ return Optional.of(parsedOverrideCapabilities);
+ }
+
+ private NetconfDevice.SchemaResourcesDTO setupSchemaCacheDTO(final NodeId nodeId, final NetconfNode node) {
+ // Setup information related to the SchemaRegistry, SchemaResourceFactory, etc.
+ NetconfDevice.SchemaResourcesDTO schemaResourcesDTO = null;
+ final String moduleSchemaCacheDirectory = node.getSchemaCacheDirectory();
+ // Only checks to ensure the String is not empty or null; further checks related to directory accessibility
+ // and file permissions are handled during the FilesystemSchemaSourceCache initialization.
+ if (!Strings.isNullOrEmpty(moduleSchemaCacheDirectory)) {
+ // If a custom schema cache directory is specified, create the backing DTO; otherwise, the SchemaRegistry
+ // and SchemaContextFactory remain the default values.
+ if (!moduleSchemaCacheDirectory.equals(NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY)) {
+ // Multiple modules may be created at once; synchronize to avoid issues with data consistency among
+ // threads.
+ synchronized (schemaResourcesDTOs) {
+ // Look for the cached DTO to reuse SchemaRegistry and SchemaContextFactory variables if
+ // they already exist
+ schemaResourcesDTO = schemaResourcesDTOs.get(moduleSchemaCacheDirectory);
+ if (schemaResourcesDTO == null) {
+ schemaResourcesDTO = createSchemaResourcesDTO(moduleSchemaCacheDirectory);
+ schemaResourcesDTO.getSchemaRegistry().registerSchemaSourceListener(
+ TextToASTTransformer.create((SchemaRepository) schemaResourcesDTO.getSchemaRegistry(),
+ schemaResourcesDTO.getSchemaRegistry())
+ );
+ schemaResourcesDTOs.put(moduleSchemaCacheDirectory, schemaResourcesDTO);
+ }
+ }
+ LOG.info("{} : netconf connector will use schema cache directory {} instead of {}",
+ nodeId.getValue(), moduleSchemaCacheDirectory, NetconfTopologyUtils.DEFAULT_CACHE_DIRECTORY);
+ }
+ } else {
+ LOG.info("{} : using the default directory {}",
+ nodeId.getValue(), NetconfTopologyUtils.QUALIFIED_DEFAULT_CACHE_DIRECTORY);
+ }
+
+ if (schemaResourcesDTO == null) {
+ schemaResourcesDTO =
+ new NetconfDevice.SchemaResourcesDTO(schemaRegistry, schemaRepository, schemaContextFactory,
+ new NetconfStateSchemasResolverImpl());
+ }
+
+ return schemaResourcesDTO;
+ }
+
+ /**
+ * Creates the backing Schema classes for a particular directory.
+ *
+ * @param moduleSchemaCacheDirectory The string directory relative to "cache"
+ * @return A DTO containing the Schema classes for the Netconf mount.
+ */
+ private NetconfDevice.SchemaResourcesDTO createSchemaResourcesDTO(final String moduleSchemaCacheDirectory) {
+ final SharedSchemaRepository repository = new SharedSchemaRepository(moduleSchemaCacheDirectory);
+ final SchemaContextFactory schemaContextFactory
+ = repository.createSchemaContextFactory(SchemaSourceFilter.ALWAYS_ACCEPT);
+ this.schemaRegistry = repository;
+ this.schemaContextFactory = schemaContextFactory;
+
+ final FilesystemSchemaSourceCache<YangTextSchemaSource> deviceCache =
+ createDeviceFilesystemCache(moduleSchemaCacheDirectory);
+ repository.registerSchemaSourceListener(deviceCache);
+ return new NetconfDevice.SchemaResourcesDTO(repository, repository, schemaContextFactory,
+ new NetconfStateSchemasResolverImpl());
+ }
+
+ /**
+ * Creates a <code>FilesystemSchemaSourceCache</code> for the custom schema cache directory.
+ *
+ * @param schemaCacheDirectory The custom cache directory relative to "cache"
+ * @return A <code>FilesystemSchemaSourceCache</code> for the custom schema cache directory
+ */
+ private FilesystemSchemaSourceCache<YangTextSchemaSource> createDeviceFilesystemCache(
+ final String schemaCacheDirectory) {
+ final String relativeSchemaCacheDirectory =
+ NetconfTopologyUtils.CACHE_DIRECTORY + File.separator + schemaCacheDirectory;
+ return new FilesystemSchemaSourceCache<>(schemaRegistry, YangTextSchemaSource.class,
+ new File(relativeSchemaCacheDirectory));
+ }
+
+ //TODO: duplicate code
+ private InetSocketAddress getSocketAddress(final Host host, int port) {
+ if (host.getDomainName() != null) {
+ return new InetSocketAddress(host.getDomainName().getValue(), port);
+ } else {
+ final IpAddress ipAddress = host.getIpAddress();
+ final String ip = ipAddress.getIpv4Address() != null ? ipAddress.getIpv4Address().getValue() :
+ ipAddress.getIpv6Address().getValue();
+ return new InetSocketAddress(ip, port);
+ }
+ }
+
+ private static final class TimedReconnectStrategyFactory implements ReconnectStrategyFactory {
+ private final Long connectionAttempts;
+ private final EventExecutor executor;
+ private final double sleepFactor;
+ private final int minSleep;
+
+ TimedReconnectStrategyFactory(final EventExecutor executor, final Long maxConnectionAttempts,
+ final int minSleep, final BigDecimal sleepFactor) {
+ if (maxConnectionAttempts != null && maxConnectionAttempts > 0) {
+ connectionAttempts = maxConnectionAttempts;
+ } else {
+ connectionAttempts = null;
+ }
+
+ this.sleepFactor = sleepFactor.doubleValue();
+ this.executor = executor;
+ this.minSleep = minSleep;
+ }
+
+ @Override
+ public ReconnectStrategy createReconnectStrategy() {
+ final Long maxSleep = null;
+ final Long deadline = null;
+
+ return new TimedReconnectStrategy(executor, minSleep,
+ minSleep, sleepFactor, maxSleep, connectionAttempts, deadline);
+ }
+ }
+
+ @VisibleForTesting
+ NetconfReconnectingClientConfiguration getClientConfig(final NetconfClientSessionListener listener,
+ final NetconfNode node) {
+
+ //setup default values since default value is not supported in mdsal
+ final long clientConnectionTimeoutMillis = node.getConnectionTimeoutMillis() == null
+ ? NetconfTopologyUtils.DEFAULT_CONNECTION_TIMEOUT_MILLIS : node.getConnectionTimeoutMillis();
+ final long maxConnectionAttempts = node.getMaxConnectionAttempts() == null
+ ? NetconfTopologyUtils.DEFAULT_MAX_CONNECTION_ATTEMPTS : node.getMaxConnectionAttempts();
+ final int betweenAttemptsTimeoutMillis = node.getBetweenAttemptsTimeoutMillis() == null
+ ? NetconfTopologyUtils.DEFAULT_BETWEEN_ATTEMPTS_TIMEOUT_MILLIS : node.getBetweenAttemptsTimeoutMillis();
+ final BigDecimal sleepFactor = node.getSleepFactor() == null
+ ? NetconfTopologyUtils.DEFAULT_SLEEP_FACTOR : node.getSleepFactor();
+
+ final InetSocketAddress socketAddress = getSocketAddress(node.getHost(), node.getPort().getValue());
+
+ final ReconnectStrategyFactory sf =
+ new TimedReconnectStrategyFactory(netconfTopologyDeviceSetup.getEventExecutor(), maxConnectionAttempts,
+ betweenAttemptsTimeoutMillis, sleepFactor);
+ final ReconnectStrategy strategy = sf.createReconnectStrategy();
+
+ final AuthenticationHandler authHandler;
+ final Credentials credentials = node.getCredentials();
+ if (credentials instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPassword) {
+ authHandler = new LoginPassword(
+ ((org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPassword) credentials).getUsername(),
+ ((org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.credentials.credentials.LoginPassword) credentials).getPassword());
+ } else {
+ throw new IllegalStateException("Only login/password authentification is supported");
+ }
+
+ return NetconfReconnectingClientConfigurationBuilder.create()
+ .withAddress(socketAddress)
+ .withConnectionTimeoutMillis(clientConnectionTimeoutMillis)
+ .withReconnectStrategy(strategy)
+ .withAuthHandler(authHandler)
+ .withProtocol(node.isTcpOnly()
+ ? NetconfClientConfiguration.NetconfClientProtocol.TCP
+ : NetconfClientConfiguration.NetconfClientProtocol.SSH)
+ .withConnectStrategyFactory(sf)
+ .withSessionListener(listener)
+ .build();
+ }
+
+ @VisibleForTesting
+ Map<String, NetconfDevice.SchemaResourcesDTO> getSchemaResourcesDTOs() {
+ return schemaResourcesDTOs;
+ }
+}