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
8 package org.opendaylight.netconf.sal.connect.netconf;
10 import com.google.common.base.Function;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.base.Predicates;
14 import com.google.common.collect.Collections2;
15 import com.google.common.collect.Lists;
16 import com.google.common.collect.Sets;
17 import com.google.common.util.concurrent.CheckedFuture;
18 import com.google.common.util.concurrent.FutureCallback;
19 import com.google.common.util.concurrent.Futures;
20 import com.google.common.util.concurrent.ListenableFuture;
21 import com.google.common.util.concurrent.ListeningExecutorService;
22 import com.google.common.util.concurrent.MoreExecutors;
23 import java.util.Collection;
24 import java.util.LinkedList;
25 import java.util.List;
27 import java.util.concurrent.Callable;
28 import java.util.concurrent.ExecutorService;
29 import java.util.stream.Collectors;
30 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
31 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
32 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
33 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
34 import org.opendaylight.netconf.api.NetconfMessage;
35 import org.opendaylight.netconf.sal.connect.api.MessageTransformer;
36 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemas;
37 import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemasResolver;
38 import org.opendaylight.netconf.sal.connect.api.RemoteDevice;
39 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceCommunicator;
40 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
41 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCapabilities;
42 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCommunicator;
43 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
44 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceRpc;
45 import org.opendaylight.netconf.sal.connect.netconf.schema.NetconfRemoteSchemaYangSourceProvider;
46 import org.opendaylight.netconf.sal.connect.netconf.schema.YangLibrarySchemaYangSourceProvider;
47 import org.opendaylight.netconf.sal.connect.netconf.schema.mapping.BaseSchema;
48 import org.opendaylight.netconf.sal.connect.netconf.schema.mapping.NetconfMessageTransformer;
49 import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
50 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.notifications.rev120206.NetconfCapabilityChange;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.netconf.node.connection.status.unavailable.capabilities.UnavailableCapability;
53 import org.opendaylight.yangtools.yang.common.QName;
54 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
55 import org.opendaylight.yangtools.yang.model.repo.api.MissingSchemaSourceException;
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.SchemaResolutionException;
60 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceException;
61 import org.opendaylight.yangtools.yang.model.repo.api.SchemaSourceRepresentation;
62 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
63 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
64 import org.opendaylight.yangtools.yang.model.repo.spi.PotentialSchemaSource;
65 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
66 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistration;
67 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
68 import org.opendaylight.yangtools.yang.parser.util.ASTSchemaSource;
69 import org.slf4j.Logger;
70 import org.slf4j.LoggerFactory;
73 * This is a mediator between NetconfDeviceCommunicator and NetconfDeviceSalFacade
75 public class NetconfDevice implements RemoteDevice<NetconfSessionPreferences, NetconfMessage, NetconfDeviceCommunicator> {
77 private static final Logger LOG = LoggerFactory.getLogger(NetconfDevice.class);
79 public static final Function<QName, SourceIdentifier> QNAME_TO_SOURCE_ID_FUNCTION = new Function<QName, SourceIdentifier>() {
81 public SourceIdentifier apply(final QName input) {
82 return RevisionSourceIdentifier
83 .create(input.getLocalName(), Optional.fromNullable(input.getFormattedRevision()));
87 protected final RemoteDeviceId id;
88 private final boolean reconnectOnSchemasChange;
90 protected final SchemaContextFactory schemaContextFactory;
91 private final RemoteDeviceHandler<NetconfSessionPreferences> salFacade;
92 private final ListeningExecutorService processingExecutor;
93 protected final SchemaSourceRegistry schemaRegistry;
94 protected final SchemaRepository schemaRepository;
95 private final NetconfDeviceSchemasResolver stateSchemasResolver;
96 private final NotificationHandler notificationHandler;
97 protected final List<SchemaSourceRegistration<? extends SchemaSourceRepresentation>> sourceRegistrations = Lists.newArrayList();
99 // Message transformer is constructed once the schemas are available
100 private MessageTransformer<NetconfMessage> messageTransformer;
103 * Create rpc implementation capable of handling RPC for monitoring and notifications even before the schemas of remote device are downloaded
105 static NetconfDeviceRpc getRpcForInitialization(final NetconfDeviceCommunicator listener, final boolean notificationSupport) {
106 final BaseSchema baseSchema = notificationSupport ?
107 BaseSchema.BASE_NETCONF_CTX_WITH_NOTIFICATIONS :
108 BaseSchema.BASE_NETCONF_CTX;
110 return new NetconfDeviceRpc(baseSchema.getSchemaContext(), listener, new NetconfMessageTransformer(baseSchema.getSchemaContext(), false, baseSchema));
113 protected NetconfDevice(final SchemaResourcesDTO schemaResourcesDTO, final RemoteDeviceId id, final RemoteDeviceHandler<NetconfSessionPreferences> salFacade,
114 final ExecutorService globalProcessingExecutor, final boolean reconnectOnSchemasChange) {
116 this.reconnectOnSchemasChange = reconnectOnSchemasChange;
117 this.schemaRegistry = schemaResourcesDTO.getSchemaRegistry();
118 this.schemaRepository = schemaResourcesDTO.getSchemaRepository();
119 this.schemaContextFactory = schemaResourcesDTO.getSchemaContextFactory();
120 this.salFacade = salFacade;
121 this.stateSchemasResolver = schemaResourcesDTO.getStateSchemasResolver();
122 this.processingExecutor = MoreExecutors.listeningDecorator(globalProcessingExecutor);
123 this.notificationHandler = new NotificationHandler(salFacade, id);
127 public void onRemoteSessionUp(final NetconfSessionPreferences remoteSessionCapabilities,
128 final NetconfDeviceCommunicator listener) {
129 // SchemaContext setup has to be performed in a dedicated thread since
130 // we are in a netty thread in this method
131 // Yang models are being downloaded in this method and it would cause a
132 // deadlock if we used the netty thread
133 // http://netty.io/wiki/thread-model.html
134 LOG.debug("{}: Session to remote device established with {}", id, remoteSessionCapabilities);
136 final NetconfDeviceRpc initRpc = getRpcForInitialization(listener, remoteSessionCapabilities.isNotificationsSupported());
137 final DeviceSourcesResolver task = new DeviceSourcesResolver(remoteSessionCapabilities, id, stateSchemasResolver, initRpc);
138 final ListenableFuture<DeviceSources> sourceResolverFuture = processingExecutor.submit(task);
140 if (shouldListenOnSchemaChange(remoteSessionCapabilities)) {
141 registerToBaseNetconfStream(initRpc, listener);
144 final FutureCallback<DeviceSources> resolvedSourceCallback = new FutureCallback<DeviceSources>() {
146 public void onSuccess(final DeviceSources result) {
147 addProvidedSourcesToSchemaRegistry(result);
151 private void setUpSchema(final DeviceSources result) {
152 processingExecutor.submit(new SchemaSetup(result, remoteSessionCapabilities, listener));
156 public void onFailure(final Throwable t) {
157 LOG.warn("{}: Unexpected error resolving device sources: {}", id, t);
158 handleSalInitializationFailure(t, listener);
162 Futures.addCallback(sourceResolverFuture, resolvedSourceCallback);
165 private void registerToBaseNetconfStream(final NetconfDeviceRpc deviceRpc, final NetconfDeviceCommunicator listener) {
166 // TODO check whether the model describing create subscription is present in schema
167 // Perhaps add a default schema context to support create-subscription if the model was not provided (same as what we do for base netconf operations in transformer)
168 final CheckedFuture<DOMRpcResult, DOMRpcException> rpcResultListenableFuture =
169 deviceRpc.invokeRpc(NetconfMessageTransformUtil.toPath(NetconfMessageTransformUtil.CREATE_SUBSCRIPTION_RPC_QNAME), NetconfMessageTransformUtil.CREATE_SUBSCRIPTION_RPC_CONTENT);
171 final NotificationHandler.NotificationFilter filter = new NotificationHandler.NotificationFilter() {
173 public Optional<DOMNotification> filterNotification(final DOMNotification notification) {
174 if (isCapabilityChanged(notification)) {
175 LOG.info("{}: Schemas change detected, reconnecting", id);
176 // Only disconnect is enough, the reconnecting nature of the connector will take care of reconnecting
177 listener.disconnect();
178 return Optional.absent();
180 return Optional.of(notification);
183 private boolean isCapabilityChanged(final DOMNotification notification) {
184 return notification.getBody().getNodeType().equals(NetconfCapabilityChange.QNAME);
188 Futures.addCallback(rpcResultListenableFuture, new FutureCallback<DOMRpcResult>() {
190 public void onSuccess(final DOMRpcResult domRpcResult) {
191 notificationHandler.addNotificationFilter(filter);
195 public void onFailure(final Throwable t) {
196 LOG.warn("Unable to subscribe to base notification stream. Schemas will not be reloaded on the fly", t);
201 private boolean shouldListenOnSchemaChange(final NetconfSessionPreferences remoteSessionCapabilities) {
202 return remoteSessionCapabilities.isNotificationsSupported() && reconnectOnSchemasChange;
205 protected void handleSalInitializationSuccess(final SchemaContext result, final NetconfSessionPreferences remoteSessionCapabilities, final DOMRpcService deviceRpc) {
206 final BaseSchema baseSchema =
207 remoteSessionCapabilities.isNotificationsSupported() ?
208 BaseSchema.BASE_NETCONF_CTX_WITH_NOTIFICATIONS :
209 BaseSchema.BASE_NETCONF_CTX;
210 messageTransformer = new NetconfMessageTransformer(result, true, baseSchema);
212 updateTransformer(messageTransformer);
213 // salFacade.onDeviceConnected has to be called before the notification handler is initialized
214 salFacade.onDeviceConnected(result, remoteSessionCapabilities, deviceRpc);
215 notificationHandler.onRemoteSchemaUp(messageTransformer);
217 LOG.info("{}: Netconf connector initialized successfully", id);
220 protected void handleSalInitializationFailure(final Throwable t, final RemoteDeviceCommunicator<NetconfMessage> listener) {
221 LOG.error("{}: Initialization in sal failed, disconnecting from device", id, t);
223 onRemoteSessionDown();
224 resetMessageTransformer();
228 * Set the transformer to null as is in initial state
230 private void resetMessageTransformer() {
231 updateTransformer(null);
234 private void updateTransformer(final MessageTransformer<NetconfMessage> transformer) {
235 messageTransformer = transformer;
238 private void addProvidedSourcesToSchemaRegistry(final DeviceSources deviceSources) {
239 final SchemaSourceProvider<YangTextSchemaSource> yangProvider = deviceSources.getSourceProvider();
240 for (final SourceIdentifier sourceId : deviceSources.getProvidedSources()) {
241 sourceRegistrations.add(schemaRegistry.registerSchemaSource(yangProvider,
242 PotentialSchemaSource.create(sourceId, YangTextSchemaSource.class, PotentialSchemaSource.Costs.REMOTE_IO.getValue())));
247 public void onRemoteSessionDown() {
248 notificationHandler.onRemoteSchemaDown();
250 salFacade.onDeviceDisconnected();
251 for (final SchemaSourceRegistration<? extends SchemaSourceRepresentation> sourceRegistration : sourceRegistrations) {
252 sourceRegistration.close();
254 resetMessageTransformer();
258 public void onRemoteSessionFailed(final Throwable throwable) {
259 salFacade.onDeviceFailed(throwable);
263 public void onNotification(final NetconfMessage notification) {
264 notificationHandler.handleNotification(notification);
268 * Just a transfer object containing schema related dependencies. Injected in constructor.
270 public static class SchemaResourcesDTO {
271 private final SchemaSourceRegistry schemaRegistry;
272 private final SchemaRepository schemaRepository;
273 private final SchemaContextFactory schemaContextFactory;
274 private final NetconfDeviceSchemasResolver stateSchemasResolver;
276 public SchemaResourcesDTO(final SchemaSourceRegistry schemaRegistry,
277 final SchemaRepository schemaRepository,
278 final SchemaContextFactory schemaContextFactory,
279 final NetconfDeviceSchemasResolver deviceSchemasResolver) {
280 this.schemaRegistry = Preconditions.checkNotNull(schemaRegistry);
281 this.schemaRepository = Preconditions.checkNotNull(schemaRepository);
282 this.schemaContextFactory = Preconditions.checkNotNull(schemaContextFactory);
283 this.stateSchemasResolver = Preconditions.checkNotNull(deviceSchemasResolver);
286 public SchemaSourceRegistry getSchemaRegistry() {
287 return schemaRegistry;
290 public SchemaRepository getSchemaRepository() {
291 return schemaRepository;
294 public SchemaContextFactory getSchemaContextFactory() {
295 return schemaContextFactory;
298 public NetconfDeviceSchemasResolver getStateSchemasResolver() {
299 return stateSchemasResolver;
304 * Schema building callable.
306 private static class DeviceSourcesResolver implements Callable<DeviceSources> {
308 private final NetconfDeviceRpc deviceRpc;
309 private final NetconfSessionPreferences remoteSessionCapabilities;
310 private final RemoteDeviceId id;
311 private final NetconfDeviceSchemasResolver stateSchemasResolver;
313 DeviceSourcesResolver(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities,
314 final RemoteDeviceId id, final NetconfDeviceSchemasResolver stateSchemasResolver) {
315 this.deviceRpc = deviceRpc;
316 this.remoteSessionCapabilities = remoteSessionCapabilities;
318 this.stateSchemasResolver = stateSchemasResolver;
321 public DeviceSourcesResolver(final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id, final NetconfDeviceSchemasResolver stateSchemasResolver, final NetconfDeviceRpc rpcForMonitoring) {
322 this(rpcForMonitoring, remoteSessionCapabilities, id, stateSchemasResolver);
326 public DeviceSources call() throws Exception {
327 final NetconfDeviceSchemas availableSchemas = stateSchemasResolver.resolve(deviceRpc, remoteSessionCapabilities, id);
328 LOG.debug("{}: Schemas exposed by ietf-netconf-monitoring: {}", id, availableSchemas.getAvailableYangSchemasQNames());
330 final Set<QName> requiredSources = Sets.newHashSet(remoteSessionCapabilities.getModuleBasedCaps());
331 final Set<QName> providedSources = availableSchemas.getAvailableYangSchemasQNames();
333 final Set<QName> requiredSourcesNotProvided = Sets.difference(requiredSources, providedSources);
334 if (!requiredSourcesNotProvided.isEmpty()) {
335 LOG.warn("{}: Netconf device does not provide all yang models reported in hello message capabilities, required but not provided: {}",
336 id, requiredSourcesNotProvided);
337 LOG.warn("{}: Attempting to build schema context from required sources", id);
340 // Here all the sources reported in netconf monitoring are merged with those reported in hello.
341 // It is necessary to perform this since submodules are not mentioned in hello but still required.
342 // This clashes with the option of a user to specify supported yang models manually in configuration for netconf-connector
343 // and as a result one is not able to fully override yang models of a device. It is only possible to add additional models.
344 final Set<QName> providedSourcesNotRequired = Sets.difference(providedSources, requiredSources);
345 if (!providedSourcesNotRequired.isEmpty()) {
346 LOG.warn("{}: Netconf device provides additional yang models not reported in hello message capabilities: {}",
347 id, providedSourcesNotRequired);
348 LOG.warn("{}: Adding provided but not required sources as required to prevent failures", id);
349 LOG.debug("{}: Netconf device reported in hello: {}", id, requiredSources);
350 requiredSources.addAll(providedSourcesNotRequired);
353 final SchemaSourceProvider<YangTextSchemaSource> sourceProvider;
354 if(availableSchemas instanceof LibraryModulesSchemas) {
355 sourceProvider = new YangLibrarySchemaYangSourceProvider(id,
356 ((LibraryModulesSchemas) availableSchemas).getAvailableModels());
358 sourceProvider = new NetconfRemoteSchemaYangSourceProvider(id, deviceRpc);
361 return new DeviceSources(requiredSources, providedSources, sourceProvider);
366 * Contains RequiredSources - sources from capabilities.
368 private static final class DeviceSources {
369 private final Set<QName> requiredSources;
370 private final Set<QName> providedSources;
371 private final SchemaSourceProvider<YangTextSchemaSource> sourceProvider;
373 public DeviceSources(final Set<QName> requiredSources, final Set<QName> providedSources,
374 final SchemaSourceProvider<YangTextSchemaSource> sourceProvider) {
375 this.requiredSources = requiredSources;
376 this.providedSources = providedSources;
377 this.sourceProvider = sourceProvider;
380 public Set<QName> getRequiredSourcesQName() {
381 return requiredSources;
384 public Set<QName> getProvidedSourcesQName() {
385 return providedSources;
388 public Collection<SourceIdentifier> getRequiredSources() {
389 return Collections2.transform(requiredSources, QNAME_TO_SOURCE_ID_FUNCTION);
392 public Collection<SourceIdentifier> getProvidedSources() {
393 return Collections2.transform(providedSources, QNAME_TO_SOURCE_ID_FUNCTION);
396 public SchemaSourceProvider<YangTextSchemaSource> getSourceProvider() {
397 return sourceProvider;
402 * Schema builder that tries to build schema context from provided sources or biggest subset of it.
404 private final class SchemaSetup implements Runnable {
405 private final DeviceSources deviceSources;
406 private final NetconfSessionPreferences remoteSessionCapabilities;
407 private final RemoteDeviceCommunicator<NetconfMessage> listener;
408 private final NetconfDeviceCapabilities capabilities;
410 public SchemaSetup(final DeviceSources deviceSources, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceCommunicator<NetconfMessage> listener) {
411 this.deviceSources = deviceSources;
412 this.remoteSessionCapabilities = remoteSessionCapabilities;
413 this.listener = listener;
414 this.capabilities = remoteSessionCapabilities.getNetconfDeviceCapabilities();
420 final Collection<SourceIdentifier> requiredSources = deviceSources.getRequiredSources();
421 final Collection<SourceIdentifier> missingSources = filterMissingSources(requiredSources);
423 capabilities.addUnresolvedCapabilities(getQNameFromSourceIdentifiers(missingSources),
424 UnavailableCapability.FailureReason.MissingSource);
426 requiredSources.removeAll(missingSources);
427 setUpSchema(requiredSources);
430 private Collection<SourceIdentifier> filterMissingSources(final Collection<SourceIdentifier> requiredSources) {
432 return requiredSources.parallelStream().filter(sourceIdentifier -> {
433 boolean remove = false;
435 schemaRepository.getSchemaSource(sourceIdentifier, ASTSchemaSource.class).checkedGet();
436 } catch (SchemaSourceException e) {
440 }).collect(Collectors.toList());
444 * Build schema context, in case of success or final failure notify device
446 private void setUpSchema(Collection<SourceIdentifier> requiredSources) {
447 while (!requiredSources.isEmpty()) {
448 LOG.trace("{}: Trying to build schema context from {}", id, requiredSources);
450 final CheckedFuture<SchemaContext, SchemaResolutionException> schemaBuilderFuture = schemaContextFactory.createSchemaContext(requiredSources);
451 final SchemaContext result = schemaBuilderFuture.checkedGet();
452 LOG.debug("{}: Schema context built successfully from {}", id, requiredSources);
453 final Collection<QName> filteredQNames = Sets.difference(deviceSources.getRequiredSourcesQName(), capabilities.getUnresolvedCapabilites().keySet());
454 capabilities.addCapabilities(filteredQNames);
455 capabilities.addNonModuleBasedCapabilities(remoteSessionCapabilities.getNonModuleCaps());
456 handleSalInitializationSuccess(result, remoteSessionCapabilities, getDeviceSpecificRpc(result));
458 } catch (final Throwable t) {
459 if (t instanceof MissingSchemaSourceException){
460 requiredSources = handleMissingSchemaSourceException(requiredSources, (MissingSchemaSourceException) t);
461 } else if (t instanceof SchemaResolutionException) {
462 // schemaBuilderFuture.checkedGet() throws only SchemaResolutionException
463 // that might be wrapping a MissingSchemaSourceException so we need to look
464 // at the cause of the exception to make sure we don't misinterpret it.
465 if (t.getCause() instanceof MissingSchemaSourceException) {
466 requiredSources = handleMissingSchemaSourceException(requiredSources, (MissingSchemaSourceException) t.getCause());
469 requiredSources = handleSchemaResolutionException(requiredSources, (SchemaResolutionException) t);
471 // unknown error, fail
472 handleSalInitializationFailure(t, listener);
477 // No more sources, fail
478 final IllegalStateException cause = new IllegalStateException(id + ": No more sources for schema context");
479 handleSalInitializationFailure(cause, listener);
480 salFacade.onDeviceFailed(cause);
483 private Collection<SourceIdentifier> handleMissingSchemaSourceException(final Collection<SourceIdentifier> requiredSources, final MissingSchemaSourceException t) {
484 // In case source missing, try without it
485 final SourceIdentifier missingSource = t.getSourceId();
486 LOG.warn("{}: Unable to build schema context, missing source {}, will reattempt without it", id, missingSource);
487 LOG.debug("{}: Unable to build schema context, missing source {}, will reattempt without it", t);
488 final Collection<QName> qNameOfMissingSource = getQNameFromSourceIdentifiers(Sets.newHashSet(missingSource));
489 if (!qNameOfMissingSource.isEmpty()) {
490 capabilities.addUnresolvedCapabilities(qNameOfMissingSource, UnavailableCapability.FailureReason.MissingSource);
492 return stripMissingSource(requiredSources, missingSource);
495 private Collection<SourceIdentifier> handleSchemaResolutionException(final Collection<SourceIdentifier> requiredSources, final SchemaResolutionException resolutionException) {
496 // In case resolution error, try only with resolved sources
497 final Set<SourceIdentifier> unresolvedSources = resolutionException.getUnsatisfiedImports().keySet();
498 capabilities.addUnresolvedCapabilities(getQNameFromSourceIdentifiers(unresolvedSources), UnavailableCapability.FailureReason.UnableToResolve);
499 LOG.warn("{}: Unable to build schema context, unsatisfied imports {}, will reattempt with resolved only", id, resolutionException.getUnsatisfiedImports());
500 LOG.debug("{}: Unable to build schema context, unsatisfied imports {}, will reattempt with resolved only", resolutionException);
501 return resolutionException.getResolvedSources();
504 protected NetconfDeviceRpc getDeviceSpecificRpc(final SchemaContext result) {
505 return new NetconfDeviceRpc(result, listener, new NetconfMessageTransformer(result, true));
508 private Collection<SourceIdentifier> stripMissingSource(final Collection<SourceIdentifier> requiredSources, final SourceIdentifier sIdToRemove) {
509 final LinkedList<SourceIdentifier> sourceIdentifiers = Lists.newLinkedList(requiredSources);
510 final boolean removed = sourceIdentifiers.remove(sIdToRemove);
511 Preconditions.checkState(removed, "{}: Trying to remove {} from {} failed", id, sIdToRemove, requiredSources);
512 return sourceIdentifiers;
515 private Collection<QName> getQNameFromSourceIdentifiers(final Collection<SourceIdentifier> identifiers) {
516 final Collection<QName> qNames = Collections2.transform(identifiers, new Function<SourceIdentifier, QName>() {
518 public QName apply(final SourceIdentifier sourceIdentifier) {
519 return getQNameFromSourceIdentifier(sourceIdentifier);
523 if (qNames.isEmpty()) {
524 LOG.debug("{}: Unable to map any source identifiers to a capability reported by device : {}", id, identifiers);
526 return Collections2.filter(qNames, Predicates.notNull());
529 private QName getQNameFromSourceIdentifier(final SourceIdentifier identifier) {
530 // Required sources are all required and provided merged in DeviceSourcesResolver
531 for (final QName qname : deviceSources.getRequiredSourcesQName()) {
532 if(qname.getLocalName().equals(identifier.getName()) == false) {
536 if(identifier.getRevision().equals(SourceIdentifier.NOT_PRESENT_FORMATTED_REVISION) &&
537 qname.getRevision() == null) {
541 if (qname.getFormattedRevision().equals(identifier.getRevision())) {
545 LOG.warn("Unable to map identifier to a devices reported capability: {} Available: {}",identifier, deviceSources.getRequiredSourcesQName());
546 // return null since we cannot find the QName, this capability will be removed from required sources and not reported as unresolved-capability