2 * Copyright (c) 2014 - 2016 Brocade Communication Systems, Inc., 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.restconf.impl;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Preconditions.checkNotNull;
12 import static com.google.common.base.Preconditions.checkState;
13 import static java.util.Objects.requireNonNull;
15 import com.google.common.annotations.VisibleForTesting;
16 import com.google.common.base.Predicates;
17 import com.google.common.base.Splitter;
18 import com.google.common.base.Strings;
19 import com.google.common.base.Throwables;
20 import com.google.common.collect.ImmutableMap;
21 import com.google.common.collect.ImmutableSet;
22 import com.google.common.collect.Iterables;
23 import com.google.common.util.concurrent.FluentFuture;
24 import com.google.common.util.concurrent.Futures;
25 import com.google.common.util.concurrent.ListenableFuture;
26 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
28 import java.time.Instant;
29 import java.time.format.DateTimeFormatter;
30 import java.time.format.DateTimeFormatterBuilder;
31 import java.time.format.DateTimeParseException;
32 import java.time.temporal.ChronoField;
33 import java.time.temporal.TemporalAccessor;
34 import java.util.ArrayList;
35 import java.util.Collection;
36 import java.util.HashMap;
37 import java.util.Iterator;
38 import java.util.List;
39 import java.util.Locale;
41 import java.util.Map.Entry;
42 import java.util.Objects;
43 import java.util.Optional;
45 import java.util.concurrent.CancellationException;
46 import java.util.concurrent.ExecutionException;
47 import javax.inject.Inject;
48 import javax.inject.Singleton;
49 import javax.ws.rs.WebApplicationException;
50 import javax.ws.rs.core.Context;
51 import javax.ws.rs.core.Response;
52 import javax.ws.rs.core.Response.ResponseBuilder;
53 import javax.ws.rs.core.Response.Status;
54 import javax.ws.rs.core.UriBuilder;
55 import javax.ws.rs.core.UriInfo;
56 import org.eclipse.jdt.annotation.NonNull;
57 import org.opendaylight.mdsal.common.api.CommitInfo;
58 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
59 import org.opendaylight.mdsal.common.api.OptimisticLockFailedException;
60 import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
61 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
62 import org.opendaylight.mdsal.dom.api.DOMRpcImplementationNotAvailableException;
63 import org.opendaylight.mdsal.dom.api.DOMRpcResult;
64 import org.opendaylight.mdsal.dom.api.DOMRpcService;
65 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
66 import org.opendaylight.mdsal.dom.spi.DefaultDOMRpcResult;
67 import org.opendaylight.netconf.sal.rest.api.Draft02;
68 import org.opendaylight.netconf.sal.rest.api.RestconfService;
69 import org.opendaylight.netconf.sal.rest.impl.NormalizedNodeContext;
70 import org.opendaylight.netconf.sal.restconf.impl.ControllerContext.FoundChild;
71 import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
72 import org.opendaylight.netconf.sal.streams.listeners.NotificationListenerAdapter;
73 import org.opendaylight.netconf.sal.streams.listeners.Notificator;
74 import org.opendaylight.netconf.sal.streams.websockets.WebSocketServer;
75 import org.opendaylight.restconf.common.OperationsContent;
76 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
77 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
78 import org.opendaylight.restconf.common.patch.PatchContext;
79 import org.opendaylight.restconf.common.patch.PatchStatusContext;
80 import org.opendaylight.restconf.common.util.OperationsResourceUtils;
81 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
82 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.CreateDataChangeEventSubscriptionInput1.Scope;
83 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
84 import org.opendaylight.yangtools.yang.common.Empty;
85 import org.opendaylight.yangtools.yang.common.ErrorTag;
86 import org.opendaylight.yangtools.yang.common.ErrorType;
87 import org.opendaylight.yangtools.yang.common.QName;
88 import org.opendaylight.yangtools.yang.common.QNameModule;
89 import org.opendaylight.yangtools.yang.common.Revision;
90 import org.opendaylight.yangtools.yang.common.XMLNamespace;
91 import org.opendaylight.yangtools.yang.common.YangConstants;
92 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
93 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
94 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
95 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
96 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
97 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
98 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
99 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
100 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
101 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
102 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
103 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
104 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
105 import org.opendaylight.yangtools.yang.data.api.schema.SystemLeafSetNode;
106 import org.opendaylight.yangtools.yang.data.api.schema.SystemMapNode;
107 import org.opendaylight.yangtools.yang.data.api.schema.builder.CollectionNodeBuilder;
108 import org.opendaylight.yangtools.yang.data.api.schema.builder.DataContainerNodeBuilder;
109 import org.opendaylight.yangtools.yang.data.api.schema.builder.ListNodeBuilder;
110 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
111 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
112 import org.opendaylight.yangtools.yang.data.impl.schema.SchemaAwareBuilders;
113 import org.opendaylight.yangtools.yang.data.tree.api.ModifiedNodeDoesNotExistException;
114 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
115 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
116 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
117 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
118 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
119 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
120 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
121 import org.opendaylight.yangtools.yang.model.api.Module;
122 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
123 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
124 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
125 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
126 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
127 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
128 import org.slf4j.Logger;
129 import org.slf4j.LoggerFactory;
132 public final class RestconfImpl implements RestconfService {
134 * Notifications are served on port 8181.
136 private static final int NOTIFICATION_PORT = 8181;
138 private static final int CHAR_NOT_FOUND = -1;
140 private static final String SAL_REMOTE_NAMESPACE = "urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote";
142 private static final Logger LOG = LoggerFactory.getLogger(RestconfImpl.class);
144 private static final LogicalDatastoreType DEFAULT_DATASTORE = LogicalDatastoreType.CONFIGURATION;
146 private static final XMLNamespace NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT =
147 XMLNamespace.of("urn:sal:restconf:event:subscription");
149 private static final String DATASTORE_PARAM_NAME = "datastore";
151 private static final String SCOPE_PARAM_NAME = "scope";
153 private static final String OUTPUT_TYPE_PARAM_NAME = "notification-output-type";
155 private static final String NETCONF_BASE = "urn:ietf:params:xml:ns:netconf:base:1.0";
157 private static final String NETCONF_BASE_PAYLOAD_NAME = "data";
159 private static final QName NETCONF_BASE_QNAME = QName.create(QNameModule.create(XMLNamespace.of(NETCONF_BASE)),
160 NETCONF_BASE_PAYLOAD_NAME).intern();
162 private static final QNameModule SAL_REMOTE_AUGMENT = QNameModule.create(NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT,
163 Revision.of("2014-07-08"));
165 private static final AugmentationIdentifier SAL_REMOTE_AUG_IDENTIFIER =
166 new AugmentationIdentifier(ImmutableSet.of(
167 QName.create(SAL_REMOTE_AUGMENT, "scope"), QName.create(SAL_REMOTE_AUGMENT, "datastore"),
168 QName.create(SAL_REMOTE_AUGMENT, "notification-output-type")));
170 public static final String DATA_SUBSCR = "data-change-event-subscription";
171 private static final String CREATE_DATA_SUBSCR = "create-" + DATA_SUBSCR;
173 public static final String NOTIFICATION_STREAM = "notification-stream";
174 private static final String CREATE_NOTIFICATION_STREAM = "create-" + NOTIFICATION_STREAM;
176 private static final DateTimeFormatter FORMATTER = new DateTimeFormatterBuilder()
177 .appendValue(ChronoField.YEAR, 4).appendLiteral('-')
178 .appendValue(ChronoField.MONTH_OF_YEAR, 2).appendLiteral('-')
179 .appendValue(ChronoField.DAY_OF_MONTH, 2).appendLiteral('T')
180 .appendValue(ChronoField.HOUR_OF_DAY, 2).appendLiteral(':')
181 .appendValue(ChronoField.MINUTE_OF_HOUR, 2).appendLiteral(':')
182 .appendValue(ChronoField.SECOND_OF_MINUTE, 2)
183 .appendFraction(ChronoField.NANO_OF_SECOND, 0, 9, true)
184 .appendOffset("+HH:MM", "Z").toFormatter();
186 private final BrokerFacade broker;
188 private final ControllerContext controllerContext;
191 public RestconfImpl(final BrokerFacade broker, final ControllerContext controllerContext) {
192 this.broker = broker;
193 this.controllerContext = controllerContext;
199 * @deprecated Just use {@link #RestconfImpl(BrokerFacade, ControllerContext)} constructor instead.
202 public static RestconfImpl newInstance(final BrokerFacade broker, final ControllerContext controllerContext) {
203 return new RestconfImpl(broker, controllerContext);
208 public NormalizedNodeContext getModules(final UriInfo uriInfo) {
209 final Module restconfModule = getRestconfModule();
210 final var stack = SchemaInferenceStack.of(controllerContext.getGlobalSchema());
211 final var restconf = QName.create(restconfModule.getQNameModule(),
212 Draft02.RestConfModule.RESTCONF_GROUPING_SCHEMA_NODE);
213 stack.enterGrouping(restconf);
214 stack.enterSchemaTree(restconf);
215 final var modules = QName.create(restconf, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
216 final var modulesSchemaNode = stack.enterSchemaTree(modules);
217 checkState(modulesSchemaNode instanceof ContainerSchemaNode);
219 final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
220 SchemaAwareBuilders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
221 moduleContainerBuilder.withChild(makeModuleMapNode(controllerContext.getAllModules()));
223 return new NormalizedNodeContext(InstanceIdentifierContext.ofStack(stack, null),
224 moduleContainerBuilder.build(), QueryParametersParser.parseWriterParameters(uriInfo));
228 * Valid only for mount point.
232 public NormalizedNodeContext getModules(final String identifier, final UriInfo uriInfo) {
233 if (!identifier.contains(ControllerContext.MOUNT)) {
234 final String errMsg = "URI has bad format. If modules behind mount point should be showed,"
235 + " URI has to end with " + ControllerContext.MOUNT;
236 LOG.debug("{} for {}", errMsg, identifier);
237 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
240 final InstanceIdentifierContext mountPointIdentifier =
241 controllerContext.toMountPointIdentifier(identifier);
242 final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
243 final MapNode mountPointModulesMap = makeModuleMapNode(controllerContext.getAllModules(mountPoint));
245 final Module restconfModule = getRestconfModule();
246 final var stack = SchemaInferenceStack.of(controllerContext.getGlobalSchema());
247 final var restconf = QName.create(restconfModule.getQNameModule(),
248 Draft02.RestConfModule.RESTCONF_GROUPING_SCHEMA_NODE);
249 stack.enterGrouping(restconf);
250 stack.enterSchemaTree(restconf);
251 final var modules = QName.create(restconf, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
252 final var modulesSchemaNode = stack.enterSchemaTree(modules);
253 checkState(modulesSchemaNode instanceof ContainerSchemaNode);
255 final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
256 SchemaAwareBuilders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
257 moduleContainerBuilder.withChild(mountPointModulesMap);
259 return new NormalizedNodeContext(InstanceIdentifierContext.ofStack(stack, null),
260 moduleContainerBuilder.build(), QueryParametersParser.parseWriterParameters(uriInfo));
265 public NormalizedNodeContext getModule(final String identifier, final UriInfo uriInfo) {
266 final Entry<String, Revision> nameRev = getModuleNameAndRevision(requireNonNull(identifier));
268 final DOMMountPoint mountPoint;
269 if (identifier.contains(ControllerContext.MOUNT)) {
270 final InstanceIdentifierContext mountPointIdentifier =
271 controllerContext.toMountPointIdentifier(identifier);
272 mountPoint = mountPointIdentifier.getMountPoint();
273 module = controllerContext.findModuleByNameAndRevision(mountPoint, nameRev.getKey(),
277 module = controllerContext.findModuleByNameAndRevision(nameRev.getKey(), nameRev.getValue());
280 if (module == null) {
281 LOG.debug("Module with name '{}' and revision '{}' was not found.", nameRev.getKey(), nameRev.getValue());
282 throw new RestconfDocumentedException("Module with name '" + nameRev.getKey() + "' and revision '"
283 + nameRev.getValue() + "' was not found.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
286 final Module restconfModule = getRestconfModule();
287 final var stack = SchemaInferenceStack.of(controllerContext.getGlobalSchema());
288 final var restconf = QName.create(restconfModule.getQNameModule(),
289 Draft02.RestConfModule.RESTCONF_GROUPING_SCHEMA_NODE);
290 stack.enterGrouping(restconf);
291 stack.enterSchemaTree(restconf);
292 stack.enterSchemaTree(QName.create(restconf, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE));
293 stack.enterSchemaTree(QName.create(restconf, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE));
295 return new NormalizedNodeContext(InstanceIdentifierContext.ofStack(stack, mountPoint),
296 makeModuleMapNode(Set.of(module)), QueryParametersParser.parseWriterParameters(uriInfo));
301 public NormalizedNodeContext getAvailableStreams(final UriInfo uriInfo) {
302 final Set<String> availableStreams = Notificator.getStreamNames();
303 final Module restconfModule = getRestconfModule();
304 final DataSchemaNode streamSchemaNode = controllerContext
305 .getRestconfModuleRestConfSchemaNode(restconfModule, Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
306 checkState(streamSchemaNode instanceof ListSchemaNode);
308 final CollectionNodeBuilder<MapEntryNode, SystemMapNode> listStreamsBuilder =
309 SchemaAwareBuilders.mapBuilder((ListSchemaNode) streamSchemaNode);
311 for (final String streamName : availableStreams) {
312 listStreamsBuilder.withChild(toStreamEntryNode(streamName, streamSchemaNode));
315 final var stack = SchemaInferenceStack.of(controllerContext.getGlobalSchema());
316 final var restconf = QName.create(restconfModule.getQNameModule(),
317 Draft02.RestConfModule.RESTCONF_GROUPING_SCHEMA_NODE);
318 stack.enterGrouping(restconf);
319 stack.enterSchemaTree(restconf);
320 final var streams = QName.create(restconf, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
321 final var streamsContainerSchemaNode = stack.enterSchemaTree(streams);
322 checkState(streamsContainerSchemaNode instanceof ContainerSchemaNode);
324 final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> streamsContainerBuilder =
325 SchemaAwareBuilders.containerBuilder((ContainerSchemaNode) streamsContainerSchemaNode);
326 streamsContainerBuilder.withChild(listStreamsBuilder.build());
328 return new NormalizedNodeContext(InstanceIdentifierContext.ofStack(stack),
329 streamsContainerBuilder.build(), QueryParametersParser.parseWriterParameters(uriInfo));
334 public String getOperationsJSON() {
335 return OperationsContent.JSON.bodyFor(controllerContext.getGlobalSchema());
340 public String getOperationsXML() {
341 return OperationsContent.XML.bodyFor(controllerContext.getGlobalSchema());
346 public NormalizedNodeContext getOperations(final String identifier, final UriInfo uriInfo) {
347 if (!identifier.contains(ControllerContext.MOUNT)) {
348 final String errMsg = "URI has bad format. If operations behind mount point should be showed, URI has to "
349 + " end with " + ControllerContext.MOUNT;
350 LOG.debug("{} for {}", errMsg, identifier);
351 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
354 final InstanceIdentifierContext mountPointIdentifier = controllerContext.toMountPointIdentifier(identifier);
355 final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
356 final var entry = OperationsResourceUtils.contextForModelContext(modelContext(mountPoint), mountPoint);
357 return new NormalizedNodeContext(entry.getKey(), entry.getValue());
360 private Module getRestconfModule() {
361 final Module restconfModule = controllerContext.getRestconfModule();
362 if (restconfModule == null) {
363 LOG.debug("ietf-restconf module was not found.");
364 throw new RestconfDocumentedException("ietf-restconf module was not found.", ErrorType.APPLICATION,
365 ErrorTag.OPERATION_NOT_SUPPORTED);
368 return restconfModule;
371 private static Entry<String, Revision> getModuleNameAndRevision(final String identifier) {
372 final int mountIndex = identifier.indexOf(ControllerContext.MOUNT);
373 String moduleNameAndRevision = "";
374 if (mountIndex >= 0) {
375 moduleNameAndRevision = identifier.substring(mountIndex + ControllerContext.MOUNT.length());
377 moduleNameAndRevision = identifier;
380 final Splitter splitter = Splitter.on('/').omitEmptyStrings();
381 final List<String> pathArgs = splitter.splitToList(moduleNameAndRevision);
382 if (pathArgs.size() < 2) {
383 LOG.debug("URI has bad format. It should be \'moduleName/yyyy-MM-dd\' {}", identifier);
384 throw new RestconfDocumentedException(
385 "URI has bad format. End of URI should be in format \'moduleName/yyyy-MM-dd\'", ErrorType.PROTOCOL,
386 ErrorTag.INVALID_VALUE);
390 return Map.entry(pathArgs.get(0), Revision.of(pathArgs.get(1)));
391 } catch (final DateTimeParseException e) {
392 LOG.debug("URI has bad format. It should be \'moduleName/yyyy-MM-dd\' {}", identifier);
393 throw new RestconfDocumentedException("URI has bad format. It should be \'moduleName/yyyy-MM-dd\'",
394 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE, e);
399 public Object getRoot() {
404 public NormalizedNodeContext invokeRpc(final String identifier, final NormalizedNodeContext payload,
405 final UriInfo uriInfo) {
406 if (payload == null) {
407 // no payload specified, reroute this to no payload invokeRpc implementation
408 return invokeRpc(identifier, uriInfo);
411 final SchemaNode schema = payload.getInstanceIdentifierContext().getSchemaNode();
412 final ListenableFuture<? extends DOMRpcResult> response;
413 final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
414 final NormalizedNode input = nonnullInput(schema, payload.getData());
415 final EffectiveModelContext schemaContext;
417 if (mountPoint != null) {
418 final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
419 if (mountRpcServices.isEmpty()) {
420 LOG.debug("Error: Rpc service is missing.");
421 throw new RestconfDocumentedException("Rpc service is missing.");
423 schemaContext = modelContext(mountPoint);
424 response = mountRpcServices.get().invokeRpc(schema.getQName(), input);
426 final XMLNamespace namespace = schema.getQName().getNamespace();
427 if (namespace.toString().equals(SAL_REMOTE_NAMESPACE)) {
428 if (identifier.contains(CREATE_DATA_SUBSCR)) {
429 response = invokeSalRemoteRpcSubscribeRPC(payload);
430 } else if (identifier.contains(CREATE_NOTIFICATION_STREAM)) {
431 response = invokeSalRemoteRpcNotifiStrRPC(payload);
433 final String msg = "Not supported operation";
435 throw new RestconfDocumentedException(msg, ErrorType.RPC, ErrorTag.OPERATION_NOT_SUPPORTED);
438 response = broker.invokeRpc(schema.getQName(), input);
440 schemaContext = controllerContext.getGlobalSchema();
443 final DOMRpcResult result = checkRpcResponse(response);
445 final NormalizedNode resultData;
446 if (result != null && result.getResult() != null) {
447 resultData = result.getResult();
452 if (resultData != null && ((ContainerNode) resultData).isEmpty()) {
453 throw new WebApplicationException(Response.Status.NO_CONTENT);
456 final var resultNodeSchema = (RpcDefinition) payload.getInstanceIdentifierContext().getSchemaNode();
457 return new NormalizedNodeContext(
458 InstanceIdentifierContext.ofRpcOutput(schemaContext, resultNodeSchema, mountPoint), resultData,
459 QueryParametersParser.parseWriterParameters(uriInfo));
462 @SuppressFBWarnings(value = "NP_LOAD_OF_KNOWN_NULL_VALUE",
463 justification = "Looks like a false positive, see below FIXME")
464 private NormalizedNodeContext invokeRpc(final String identifier, final UriInfo uriInfo) {
465 final DOMMountPoint mountPoint;
466 final String identifierEncoded;
467 final EffectiveModelContext schemaContext;
468 if (identifier.contains(ControllerContext.MOUNT)) {
469 // mounted RPC call - look up mount instance.
470 final InstanceIdentifierContext mountPointId = controllerContext.toMountPointIdentifier(identifier);
471 mountPoint = mountPointId.getMountPoint();
472 schemaContext = modelContext(mountPoint);
473 final int startOfRemoteRpcName =
474 identifier.lastIndexOf(ControllerContext.MOUNT) + ControllerContext.MOUNT.length() + 1;
475 final String remoteRpcName = identifier.substring(startOfRemoteRpcName);
476 identifierEncoded = remoteRpcName;
478 } else if (identifier.indexOf('/') == CHAR_NOT_FOUND) {
479 identifierEncoded = identifier;
481 schemaContext = controllerContext.getGlobalSchema();
483 LOG.debug("Identifier {} cannot contain slash character (/).", identifier);
484 throw new RestconfDocumentedException(String.format("Identifier %n%s%ncan\'t contain slash character (/).%n"
485 + "If slash is part of identifier name then use %%2F placeholder.", identifier), ErrorType.PROTOCOL,
486 ErrorTag.INVALID_VALUE);
489 final String identifierDecoded = ControllerContext.urlPathArgDecode(identifierEncoded);
490 final RpcDefinition rpc;
491 if (mountPoint == null) {
492 rpc = controllerContext.getRpcDefinition(identifierDecoded);
494 rpc = findRpc(modelContext(mountPoint), identifierDecoded);
498 LOG.debug("RPC {} does not exist.", identifierDecoded);
499 throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
502 if (!rpc.getInput().getChildNodes().isEmpty()) {
503 LOG.debug("No input specified for RPC {} with an input section", rpc);
504 throw new RestconfDocumentedException("No input specified for RPC " + rpc
505 + " with an input section defined", ErrorType.RPC, ErrorTag.MISSING_ELEMENT);
508 final ContainerNode input = defaultInput(rpc.getQName());
509 final ListenableFuture<? extends DOMRpcResult> response;
510 if (mountPoint != null) {
511 final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
512 if (mountRpcServices.isEmpty()) {
513 throw new RestconfDocumentedException("Rpc service is missing.");
515 response = mountRpcServices.get().invokeRpc(rpc.getQName(), input);
517 response = broker.invokeRpc(rpc.getQName(), input);
520 final NormalizedNode result = checkRpcResponse(response).getResult();
521 if (result != null && ((ContainerNode) result).isEmpty()) {
522 throw new WebApplicationException(Response.Status.NO_CONTENT);
525 // FIXME: in reference to the above @SupressFBWarnings: "mountPoint" reference here trips up SpotBugs, as it
526 // thinks it can only ever be null. Except it can very much be non-null. The core problem is the horrible
527 // structure of this code where we have a sh*tload of checks for mountpoint above and all over the
528 // codebase where all that difference should have been properly encapsulated.
530 // This is legacy code, so if anybody cares to do that refactor, feel free to contribute, but I am not
532 final var iic = mountPoint == null ? InstanceIdentifierContext.ofLocalRpcOutput(schemaContext, rpc)
533 : InstanceIdentifierContext.ofMountPointRpcOutput(mountPoint, schemaContext, rpc);
534 return new NormalizedNodeContext(iic, result, QueryParametersParser.parseWriterParameters(uriInfo));
537 private static @NonNull NormalizedNode nonnullInput(final SchemaNode rpc, final NormalizedNode input) {
538 return input != null ? input : defaultInput(rpc.getQName());
541 private static @NonNull ContainerNode defaultInput(final QName rpcName) {
542 return ImmutableNodes.containerNode(YangConstants.operationInputQName(rpcName.getModule()));
545 @SuppressWarnings("checkstyle:avoidHidingCauseException")
546 private static DOMRpcResult checkRpcResponse(final ListenableFuture<? extends DOMRpcResult> response) {
547 if (response == null) {
551 final DOMRpcResult retValue = response.get();
552 if (retValue.getErrors().isEmpty()) {
555 LOG.debug("RpcError message {}", retValue.getErrors());
556 throw new RestconfDocumentedException("RpcError message", null, retValue.getErrors());
557 } catch (final InterruptedException e) {
558 final String errMsg = "The operation was interrupted while executing and did not complete.";
559 LOG.debug("Rpc Interrupt - {}", errMsg, e);
560 throw new RestconfDocumentedException(errMsg, ErrorType.RPC, ErrorTag.PARTIAL_OPERATION, e);
561 } catch (final ExecutionException e) {
562 LOG.debug("Execution RpcError: ", e);
563 Throwable cause = e.getCause();
565 throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
568 while (cause.getCause() != null) {
569 cause = cause.getCause();
572 if (cause instanceof IllegalArgumentException) {
573 throw new RestconfDocumentedException(cause.getMessage(), ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
574 } else if (cause instanceof DOMRpcImplementationNotAvailableException) {
575 throw new RestconfDocumentedException(cause.getMessage(), ErrorType.APPLICATION,
576 ErrorTag.OPERATION_NOT_SUPPORTED);
578 throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
580 } catch (final CancellationException e) {
581 final String errMsg = "The operation was cancelled while executing.";
582 LOG.debug("Cancel RpcExecution: {}", errMsg, e);
583 throw new RestconfDocumentedException(errMsg, ErrorType.RPC, ErrorTag.PARTIAL_OPERATION);
587 private static void validateInput(final SchemaNode inputSchema, final NormalizedNodeContext payload) {
588 if (inputSchema != null && payload.getData() == null) {
589 // expected a non null payload
590 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
591 } else if (inputSchema == null && payload.getData() != null) {
592 // did not expect any input
593 throw new RestconfDocumentedException("No input expected.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
597 private ListenableFuture<DOMRpcResult> invokeSalRemoteRpcSubscribeRPC(final NormalizedNodeContext payload) {
598 final ContainerNode value = (ContainerNode) payload.getData();
599 final QName rpcQName = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
600 final Optional<DataContainerChild> path =
601 value.findChildByArg(new NodeIdentifier(QName.create(rpcQName, "path")));
602 final Object pathValue = path.isPresent() ? path.get().body() : null;
604 if (!(pathValue instanceof YangInstanceIdentifier)) {
605 LOG.debug("Instance identifier {} was not normalized correctly", rpcQName);
606 throw new RestconfDocumentedException("Instance identifier was not normalized correctly",
607 ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
610 final YangInstanceIdentifier pathIdentifier = (YangInstanceIdentifier) pathValue;
611 final String streamName;
612 NotificationOutputType outputType = null;
613 if (!pathIdentifier.isEmpty()) {
614 final String fullRestconfIdentifier =
615 DATA_SUBSCR + controllerContext.toFullRestconfIdentifier(pathIdentifier, null);
617 LogicalDatastoreType datastore =
618 parseEnumTypeParameter(value, LogicalDatastoreType.class, DATASTORE_PARAM_NAME);
619 datastore = datastore == null ? DEFAULT_DATASTORE : datastore;
621 Scope scope = parseEnumTypeParameter(value, Scope.class, SCOPE_PARAM_NAME);
622 scope = scope == null ? Scope.BASE : scope;
624 outputType = parseEnumTypeParameter(value, NotificationOutputType.class, OUTPUT_TYPE_PARAM_NAME);
625 outputType = outputType == null ? NotificationOutputType.XML : outputType;
627 streamName = Notificator
628 .createStreamNameFromUri(fullRestconfIdentifier + "/datastore=" + datastore + "/scope=" + scope);
630 streamName = CREATE_DATA_SUBSCR;
633 if (Strings.isNullOrEmpty(streamName)) {
634 LOG.debug("Path is empty or contains value node which is not Container or List built-in type at {}",
636 throw new RestconfDocumentedException("Path is empty or contains value node which is not Container or List "
637 + "built-in type.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
640 if (!Notificator.existListenerFor(streamName)) {
641 Notificator.createListener(pathIdentifier, streamName, outputType, controllerContext);
644 return Futures.immediateFuture(new DefaultDOMRpcResult(Builders.containerBuilder()
645 .withNodeIdentifier(new NodeIdentifier(QName.create(rpcQName, "output")))
646 .withChild(ImmutableNodes.leafNode(QName.create(rpcQName, "stream-name"), streamName))
650 private static RpcDefinition findRpc(final SchemaContext schemaContext, final String identifierDecoded) {
651 final String[] splittedIdentifier = identifierDecoded.split(":");
652 if (splittedIdentifier.length != 2) {
653 LOG.debug("{} could not be split to 2 parts (module:rpc name)", identifierDecoded);
654 throw new RestconfDocumentedException(identifierDecoded + " could not be split to 2 parts "
655 + "(module:rpc name)", ErrorType.APPLICATION, ErrorTag.INVALID_VALUE);
657 for (final Module module : schemaContext.getModules()) {
658 if (module.getName().equals(splittedIdentifier[0])) {
659 for (final RpcDefinition rpcDefinition : module.getRpcs()) {
660 if (rpcDefinition.getQName().getLocalName().equals(splittedIdentifier[1])) {
661 return rpcDefinition;
670 public NormalizedNodeContext readConfigurationData(final String identifier, final UriInfo uriInfo) {
671 boolean withDefaUsed = false;
672 String withDefa = null;
674 for (final Entry<String, List<String>> entry : uriInfo.getQueryParameters().entrySet()) {
675 switch (entry.getKey()) {
676 case "with-defaults":
679 withDefa = entry.getValue().iterator().next();
681 throw new RestconfDocumentedException("With-defaults parameter can be used only once.");
685 LOG.info("Unknown key : {}.", entry.getKey());
690 // TODO: this flag is always ignored
691 boolean tagged = false;
693 if ("report-all-tagged".equals(withDefa)) {
697 if ("report-all".equals(withDefa)) {
702 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
703 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
704 NormalizedNode data = null;
705 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
706 if (mountPoint != null) {
707 data = broker.readConfigurationData(mountPoint, normalizedII, withDefa);
709 data = broker.readConfigurationData(normalizedII, withDefa);
712 throw dataMissing(identifier);
714 return new NormalizedNodeContext(iiWithData, data, QueryParametersParser.parseWriterParameters(uriInfo));
718 public NormalizedNodeContext readOperationalData(final String identifier, final UriInfo uriInfo) {
719 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
720 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
721 NormalizedNode data = null;
722 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
723 if (mountPoint != null) {
724 data = broker.readOperationalData(mountPoint, normalizedII);
726 data = broker.readOperationalData(normalizedII);
729 throw dataMissing(identifier);
731 return new NormalizedNodeContext(iiWithData, data, QueryParametersParser.parseWriterParameters(uriInfo));
734 private static RestconfDocumentedException dataMissing(final String identifier) {
735 LOG.debug("Request could not be completed because the relevant data model content does not exist {}",
737 return new RestconfDocumentedException("Request could not be completed because the relevant data model content "
738 + "does not exist", ErrorType.APPLICATION, ErrorTag.DATA_MISSING);
742 public Response updateConfigurationData(final String identifier, final NormalizedNodeContext payload,
743 final UriInfo uriInfo) {
744 boolean insertUsed = false;
745 boolean pointUsed = false;
746 String insert = null;
749 for (final Entry<String, List<String>> entry : uriInfo.getQueryParameters().entrySet()) {
750 switch (entry.getKey()) {
754 insert = entry.getValue().iterator().next();
756 throw new RestconfDocumentedException("Insert parameter can be used only once.");
762 point = entry.getValue().iterator().next();
764 throw new RestconfDocumentedException("Point parameter can be used only once.");
768 throw new RestconfDocumentedException("Bad parameter for post: " + entry.getKey());
772 if (pointUsed && !insertUsed) {
773 throw new RestconfDocumentedException("Point parameter can't be used without Insert parameter.");
775 if (pointUsed && (insert.equals("first") || insert.equals("last"))) {
776 throw new RestconfDocumentedException(
777 "Point parameter can be used only with 'after' or 'before' values of Insert parameter.");
780 requireNonNull(identifier);
782 final InstanceIdentifierContext iiWithData = payload.getInstanceIdentifierContext();
784 validateInput(iiWithData.getSchemaNode(), payload);
785 validateTopLevelNodeName(payload, iiWithData.getInstanceIdentifier());
786 validateListKeysEqualityInPayloadAndUri(payload);
788 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
789 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
792 * There is a small window where another write transaction could be
793 * updating the same data simultaneously and we get an
794 * OptimisticLockFailedException. This error is likely transient and The
795 * WriteTransaction#submit API docs state that a retry will likely
796 * succeed. So we'll try again if that scenario occurs. If it fails a
797 * third time then it probably will never succeed so we'll fail in that
800 * By retrying we're attempting to hide the internal implementation of
801 * the data store and how it handles concurrent updates from the
802 * restconf client. The client has instructed us to put the data and we
803 * should make every effort to do so without pushing optimistic lock
804 * failures back to the client and forcing them to handle it via retry
805 * (and having to document the behavior).
807 PutResult result = null;
810 if (mountPoint != null) {
812 result = broker.commitMountPointDataPut(mountPoint, normalizedII, payload.getData(), insert,
815 result = broker.commitConfigurationDataPut(controllerContext.getGlobalSchema(), normalizedII,
816 payload.getData(), insert, point);
820 result.getFutureOfPutData().get();
821 } catch (final InterruptedException e) {
822 LOG.debug("Update failed for {}", identifier, e);
823 throw new RestconfDocumentedException(e.getMessage(), e);
824 } catch (final ExecutionException e) {
825 final TransactionCommitFailedException failure = Throwables.getCauseAs(e,
826 TransactionCommitFailedException.class);
827 if (failure instanceof OptimisticLockFailedException) {
829 LOG.debug("Got OptimisticLockFailedException on last try - failing {}", identifier);
830 throw new RestconfDocumentedException(e.getMessage(), e, failure.getErrorList());
833 LOG.debug("Got OptimisticLockFailedException - trying again {}", identifier);
837 LOG.debug("Update failed for {}", identifier, e);
838 throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), failure);
841 return Response.status(result.getStatus()).build();
845 private static void validateTopLevelNodeName(final NormalizedNodeContext node,
846 final YangInstanceIdentifier identifier) {
848 final String payloadName = node.getData().getIdentifier().getNodeType().getLocalName();
851 if (identifier.isEmpty()) {
853 if (!node.getData().getIdentifier().getNodeType().equals(NETCONF_BASE_QNAME)) {
854 throw new RestconfDocumentedException("Instance identifier has to contain at least one path argument",
855 ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
859 final String identifierName = identifier.getLastPathArgument().getNodeType().getLocalName();
860 if (!payloadName.equals(identifierName)) {
861 throw new RestconfDocumentedException(
862 "Payload name (" + payloadName + ") is different from identifier name (" + identifierName + ")",
863 ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
869 * Validates whether keys in {@code payload} are equal to values of keys in
870 * {@code iiWithData} for list schema node.
872 * @throws RestconfDocumentedException
873 * if key values or key count in payload and URI isn't equal
876 private static void validateListKeysEqualityInPayloadAndUri(final NormalizedNodeContext payload) {
877 checkArgument(payload != null);
878 final InstanceIdentifierContext iiWithData = payload.getInstanceIdentifierContext();
879 final PathArgument lastPathArgument = iiWithData.getInstanceIdentifier().getLastPathArgument();
880 final SchemaNode schemaNode = iiWithData.getSchemaNode();
881 final NormalizedNode data = payload.getData();
882 if (schemaNode instanceof ListSchemaNode) {
883 final List<QName> keyDefinitions = ((ListSchemaNode) schemaNode).getKeyDefinition();
884 if (lastPathArgument instanceof NodeIdentifierWithPredicates && data instanceof MapEntryNode) {
885 final Map<QName, Object> uriKeyValues = ((NodeIdentifierWithPredicates) lastPathArgument).asMap();
886 isEqualUriAndPayloadKeyValues(uriKeyValues, (MapEntryNode) data, keyDefinitions);
892 public static void isEqualUriAndPayloadKeyValues(final Map<QName, Object> uriKeyValues, final MapEntryNode payload,
893 final List<QName> keyDefinitions) {
895 final Map<QName, Object> mutableCopyUriKeyValues = new HashMap<>(uriKeyValues);
896 for (final QName keyDefinition : keyDefinitions) {
897 final Object uriKeyValue = RestconfDocumentedException.throwIfNull(
898 // should be caught during parsing URI to InstanceIdentifier
899 mutableCopyUriKeyValues.remove(keyDefinition), ErrorType.PROTOCOL, ErrorTag.DATA_MISSING,
900 "Missing key %s in URI.", keyDefinition);
902 final Object dataKeyValue = payload.getIdentifier().getValue(keyDefinition);
904 if (!Objects.deepEquals(uriKeyValue, dataKeyValue)) {
905 final String errMsg = "The value '" + uriKeyValue + "' for key '" + keyDefinition.getLocalName()
906 + "' specified in the URI doesn't match the value '" + dataKeyValue
907 + "' specified in the message body. ";
908 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
914 public Response createConfigurationData(final String identifier, final NormalizedNodeContext payload,
915 final UriInfo uriInfo) {
916 return createConfigurationData(payload, uriInfo);
920 public Response createConfigurationData(final NormalizedNodeContext payload, final UriInfo uriInfo) {
921 if (payload == null) {
922 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
924 final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
925 final InstanceIdentifierContext iiWithData = payload.getInstanceIdentifierContext();
926 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
928 boolean insertUsed = false;
929 boolean pointUsed = false;
930 String insert = null;
933 if (uriInfo != null) {
934 for (final Entry<String, List<String>> entry : uriInfo.getQueryParameters().entrySet()) {
935 switch (entry.getKey()) {
939 insert = entry.getValue().iterator().next();
941 throw new RestconfDocumentedException("Insert parameter can be used only once.");
947 point = entry.getValue().iterator().next();
949 throw new RestconfDocumentedException("Point parameter can be used only once.");
953 throw new RestconfDocumentedException("Bad parameter for post: " + entry.getKey());
958 if (pointUsed && !insertUsed) {
959 throw new RestconfDocumentedException("Point parameter can't be used without Insert parameter.");
961 if (pointUsed && (insert.equals("first") || insert.equals("last"))) {
962 throw new RestconfDocumentedException(
963 "Point parameter can be used only with 'after' or 'before' values of Insert parameter.");
966 FluentFuture<? extends CommitInfo> future;
967 if (mountPoint != null) {
968 future = broker.commitConfigurationDataPost(mountPoint, normalizedII, payload.getData(), insert,
971 future = broker.commitConfigurationDataPost(controllerContext.getGlobalSchema(), normalizedII,
972 payload.getData(), insert, point);
977 } catch (final InterruptedException e) {
978 LOG.info("Error creating data {}", uriInfo != null ? uriInfo.getPath() : "", e);
979 throw new RestconfDocumentedException(e.getMessage(), e);
980 } catch (final ExecutionException e) {
981 LOG.info("Error creating data {}", uriInfo != null ? uriInfo.getPath() : "", e);
982 throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), Throwables.getCauseAs(e,
983 TransactionCommitFailedException.class));
986 LOG.trace("Successfuly created data.");
988 final ResponseBuilder responseBuilder = Response.status(Status.NO_CONTENT);
989 // FIXME: Provide path to result.
990 final URI location = resolveLocation(uriInfo, "", mountPoint, normalizedII);
991 if (location != null) {
992 responseBuilder.location(location);
994 return responseBuilder.build();
997 @SuppressWarnings("checkstyle:IllegalCatch")
998 private URI resolveLocation(final UriInfo uriInfo, final String uriBehindBase, final DOMMountPoint mountPoint,
999 final YangInstanceIdentifier normalizedII) {
1000 if (uriInfo == null) {
1001 // This is null if invoked internally
1005 final UriBuilder uriBuilder = uriInfo.getBaseUriBuilder();
1006 uriBuilder.path("config");
1008 uriBuilder.path(controllerContext.toFullRestconfIdentifier(normalizedII, mountPoint));
1009 } catch (final Exception e) {
1010 LOG.info("Location for instance identifier {} was not created", normalizedII, e);
1013 return uriBuilder.build();
1017 public Response deleteConfigurationData(final String identifier) {
1018 final InstanceIdentifierContext iiWithData = controllerContext.toInstanceIdentifier(identifier);
1019 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
1020 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
1022 final FluentFuture<? extends CommitInfo> future;
1023 if (mountPoint != null) {
1024 future = broker.commitConfigurationDataDelete(mountPoint, normalizedII);
1026 future = broker.commitConfigurationDataDelete(normalizedII);
1031 } catch (final InterruptedException e) {
1032 throw new RestconfDocumentedException(e.getMessage(), e);
1033 } catch (final ExecutionException e) {
1034 final Optional<Throwable> searchedException = Iterables.tryFind(Throwables.getCausalChain(e),
1035 Predicates.instanceOf(ModifiedNodeDoesNotExistException.class)).toJavaUtil();
1036 if (searchedException.isPresent()) {
1037 throw new RestconfDocumentedException("Data specified for delete doesn't exist.", ErrorType.APPLICATION,
1038 ErrorTag.DATA_MISSING, e);
1041 throw RestconfDocumentedException.decodeAndThrow(e.getMessage(), Throwables.getCauseAs(e,
1042 TransactionCommitFailedException.class));
1045 return Response.status(Status.OK).build();
1049 * Subscribes to some path in schema context (stream) to listen on changes
1053 * Additional parameters for subscribing to stream are loaded via rpc input
1056 * <li>datastore - default CONFIGURATION (other values of
1057 * {@link LogicalDatastoreType} enum type)</li>
1058 * <li>scope - default BASE (other values of {@link Scope})</li>
1062 public NormalizedNodeContext subscribeToStream(final String identifier, final UriInfo uriInfo) {
1063 boolean startTimeUsed = false;
1064 boolean stopTimeUsed = false;
1065 Instant start = Instant.now();
1066 Instant stop = null;
1067 boolean filterUsed = false;
1068 String filter = null;
1069 boolean leafNodesOnlyUsed = false;
1070 boolean leafNodesOnly = false;
1071 boolean skipNotificationDataUsed = false;
1072 boolean skipNotificationData = false;
1074 for (final Entry<String, List<String>> entry : uriInfo.getQueryParameters().entrySet()) {
1075 switch (entry.getKey()) {
1077 if (!startTimeUsed) {
1078 startTimeUsed = true;
1079 start = parseDateFromQueryParam(entry);
1081 throw new RestconfDocumentedException("Start-time parameter can be used only once.");
1085 if (!stopTimeUsed) {
1086 stopTimeUsed = true;
1087 stop = parseDateFromQueryParam(entry);
1089 throw new RestconfDocumentedException("Stop-time parameter can be used only once.");
1095 filter = entry.getValue().iterator().next();
1097 throw new RestconfDocumentedException("Filter parameter can be used only once.");
1100 case "odl-leaf-nodes-only":
1101 if (!leafNodesOnlyUsed) {
1102 leafNodesOnlyUsed = true;
1103 leafNodesOnly = Boolean.parseBoolean(entry.getValue().iterator().next());
1105 throw new RestconfDocumentedException("Odl-leaf-nodes-only parameter can be used only once.");
1108 case "odl-skip-notification-data":
1109 if (!skipNotificationDataUsed) {
1110 skipNotificationDataUsed = true;
1111 skipNotificationData = Boolean.parseBoolean(entry.getValue().iterator().next());
1113 throw new RestconfDocumentedException(
1114 "Odl-skip-notification-data parameter can be used only once.");
1118 throw new RestconfDocumentedException("Bad parameter used with notifications: " + entry.getKey());
1121 if (!startTimeUsed && stopTimeUsed) {
1122 throw new RestconfDocumentedException("Stop-time parameter has to be used with start-time parameter.");
1124 URI response = null;
1125 if (identifier.contains(DATA_SUBSCR)) {
1126 response = dataSubs(identifier, uriInfo, start, stop, filter, leafNodesOnly, skipNotificationData);
1127 } else if (identifier.contains(NOTIFICATION_STREAM)) {
1128 response = notifStream(identifier, uriInfo, start, stop, filter);
1131 if (response != null) {
1132 // prepare node with value of location
1134 final QName qnameBase = QName.create("subscribe:to:notification", "2016-10-28", "notifi");
1135 final QName locationQName = QName.create(qnameBase, "location");
1137 final var stack = SchemaInferenceStack.of(controllerContext.getGlobalSchema());
1138 stack.enterSchemaTree(qnameBase);
1139 stack.enterSchemaTree(locationQName);
1141 // prepare new header with location
1142 return new NormalizedNodeContext(InstanceIdentifierContext.ofStack(stack),
1143 ImmutableNodes.leafNode(locationQName, response.toString()), ImmutableMap.of("Location", response));
1146 final String msg = "Bad type of notification of sal-remote";
1148 throw new RestconfDocumentedException(msg);
1151 private static Instant parseDateFromQueryParam(final Entry<String, List<String>> entry) {
1152 final DateAndTime event = new DateAndTime(entry.getValue().iterator().next());
1153 final String value = event.getValue();
1154 final TemporalAccessor p;
1156 p = FORMATTER.parse(value);
1157 } catch (final DateTimeParseException e) {
1158 throw new RestconfDocumentedException("Cannot parse of value in date: " + value, e);
1160 return Instant.from(p);
1164 * Register notification listener by stream name.
1171 * stop-time of getting notification
1173 * start-time of getting notification
1175 * indicate which subset of all possible events are of interest
1176 * @return {@link URI} of location
1178 private URI notifStream(final String identifier, final UriInfo uriInfo, final Instant start,
1179 final Instant stop, final String filter) {
1180 final String streamName = Notificator.createStreamNameFromUri(identifier);
1181 if (Strings.isNullOrEmpty(streamName)) {
1182 throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1184 final List<NotificationListenerAdapter> listeners = Notificator.getNotificationListenerFor(streamName);
1185 if (listeners == null || listeners.isEmpty()) {
1186 throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL,
1187 ErrorTag.UNKNOWN_ELEMENT);
1190 for (final NotificationListenerAdapter listener : listeners) {
1191 broker.registerToListenNotification(listener);
1192 listener.setQueryParams(start, Optional.ofNullable(stop), Optional.ofNullable(filter), false, false);
1195 final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
1197 final WebSocketServer webSocketServerInstance = WebSocketServer.getInstance(NOTIFICATION_PORT);
1198 final int notificationPort = webSocketServerInstance.getPort();
1201 final UriBuilder uriToWebsocketServerBuilder = uriBuilder.port(notificationPort).scheme(getWsScheme(uriInfo));
1203 return uriToWebsocketServerBuilder.replacePath(streamName).build();
1206 private static String getWsScheme(final UriInfo uriInfo) {
1207 URI uri = uriInfo.getAbsolutePath();
1211 String subscriptionScheme = uri.getScheme().toLowerCase(Locale.ROOT);
1212 return subscriptionScheme.equals("https") ? "wss" : "ws";
1216 * Register data change listener by stream name.
1223 * start-time of getting notification
1225 * stop-time of getting notification
1227 * indicate which subset of all possible events are of interest
1228 * @return {@link URI} of location
1230 private URI dataSubs(final String identifier, final UriInfo uriInfo, final Instant start, final Instant stop,
1231 final String filter, final boolean leafNodesOnly, final boolean skipNotificationData) {
1232 final String streamName = Notificator.createStreamNameFromUri(identifier);
1233 if (Strings.isNullOrEmpty(streamName)) {
1234 throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1237 final ListenerAdapter listener = Notificator.getListenerFor(streamName);
1238 if (listener == null) {
1239 throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL,
1240 ErrorTag.UNKNOWN_ELEMENT);
1242 listener.setQueryParams(start, Optional.ofNullable(stop), Optional.ofNullable(filter), leafNodesOnly,
1243 skipNotificationData);
1245 final Map<String, String> paramToValues = resolveValuesFromUri(identifier);
1246 final LogicalDatastoreType datastore =
1247 parserURIEnumParameter(LogicalDatastoreType.class, paramToValues.get(DATASTORE_PARAM_NAME));
1248 if (datastore == null) {
1249 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /datastore=)",
1250 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1252 final Scope scope = parserURIEnumParameter(Scope.class, paramToValues.get(SCOPE_PARAM_NAME));
1253 if (scope == null) {
1254 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /scope=)",
1255 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1258 broker.registerToListenDataChanges(datastore, scope, listener);
1260 final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
1262 final WebSocketServer webSocketServerInstance = WebSocketServer.getInstance(NOTIFICATION_PORT);
1263 final int notificationPort = webSocketServerInstance.getPort();
1265 final UriBuilder uriToWebsocketServerBuilder = uriBuilder.port(notificationPort).scheme(getWsScheme(uriInfo));
1267 return uriToWebsocketServerBuilder.replacePath(streamName).build();
1270 @SuppressWarnings("checkstyle:IllegalCatch")
1272 public PatchStatusContext patchConfigurationData(final String identifier, final PatchContext context,
1273 final UriInfo uriInfo) {
1274 if (context == null) {
1275 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
1279 return broker.patchConfigurationDataWithinTransaction(context);
1280 } catch (final Exception e) {
1281 LOG.debug("Patch transaction failed", e);
1282 throw new RestconfDocumentedException(e.getMessage(), e);
1286 @SuppressWarnings("checkstyle:IllegalCatch")
1288 public PatchStatusContext patchConfigurationData(final PatchContext context, @Context final UriInfo uriInfo) {
1289 if (context == null) {
1290 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
1294 return broker.patchConfigurationDataWithinTransaction(context);
1295 } catch (final Exception e) {
1296 LOG.debug("Patch transaction failed", e);
1297 throw new RestconfDocumentedException(e.getMessage(), e);
1302 * Load parameter for subscribing to stream from input composite node.
1306 * @return enum object if its string value is equal to {@code paramName}. In
1309 private static <T> T parseEnumTypeParameter(final ContainerNode value, final Class<T> classDescriptor,
1310 final String paramName) {
1311 final Optional<DataContainerChild> optAugNode = value.findChildByArg(SAL_REMOTE_AUG_IDENTIFIER);
1312 if (optAugNode.isEmpty()) {
1315 final DataContainerChild augNode = optAugNode.get();
1316 if (!(augNode instanceof AugmentationNode)) {
1319 final Optional<DataContainerChild> enumNode = ((AugmentationNode) augNode).findChildByArg(
1320 new NodeIdentifier(QName.create(SAL_REMOTE_AUGMENT, paramName)));
1321 if (enumNode.isEmpty()) {
1324 final Object rawValue = enumNode.get().body();
1325 if (!(rawValue instanceof String)) {
1329 return resolveAsEnum(classDescriptor, (String) rawValue);
1333 * Checks whether {@code value} is one of the string representation of
1334 * enumeration {@code classDescriptor}.
1336 * @return enum object if string value of {@code classDescriptor}
1337 * enumeration is equal to {@code value}. Other cases null.
1339 private static <T> T parserURIEnumParameter(final Class<T> classDescriptor, final String value) {
1340 if (Strings.isNullOrEmpty(value)) {
1343 return resolveAsEnum(classDescriptor, value);
1346 private static <T> T resolveAsEnum(final Class<T> classDescriptor, final String value) {
1347 final T[] enumConstants = classDescriptor.getEnumConstants();
1348 if (enumConstants != null) {
1349 for (final T enm : classDescriptor.getEnumConstants()) {
1350 if (((Enum<?>) enm).name().equals(value)) {
1358 private static Map<String, String> resolveValuesFromUri(final String uri) {
1359 final Map<String, String> result = new HashMap<>();
1360 final String[] tokens = uri.split("/");
1361 for (int i = 1; i < tokens.length; i++) {
1362 final String[] parameterTokens = tokens[i].split("=");
1363 if (parameterTokens.length == 2) {
1364 result.put(parameterTokens[0], parameterTokens[1]);
1370 private MapNode makeModuleMapNode(final Collection<? extends Module> modules) {
1371 requireNonNull(modules);
1372 final Module restconfModule = getRestconfModule();
1373 final DataSchemaNode moduleSchemaNode = controllerContext
1374 .getRestconfModuleRestConfSchemaNode(restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
1375 checkState(moduleSchemaNode instanceof ListSchemaNode);
1377 final CollectionNodeBuilder<MapEntryNode, SystemMapNode> listModuleBuilder =
1378 SchemaAwareBuilders.mapBuilder((ListSchemaNode) moduleSchemaNode);
1380 for (final Module module : modules) {
1381 listModuleBuilder.withChild(toModuleEntryNode(module, moduleSchemaNode));
1383 return listModuleBuilder.build();
1386 private static MapEntryNode toModuleEntryNode(final Module module, final DataSchemaNode moduleSchemaNode) {
1387 checkArgument(moduleSchemaNode instanceof ListSchemaNode,
1388 "moduleSchemaNode has to be of type ListSchemaNode");
1389 final ListSchemaNode listModuleSchemaNode = (ListSchemaNode) moduleSchemaNode;
1390 final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> moduleNodeValues =
1391 SchemaAwareBuilders.mapEntryBuilder(listModuleSchemaNode);
1393 var instanceDataChildrenByName =
1394 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "name");
1395 final LeafSchemaNode nameSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1396 moduleNodeValues.withChild(
1397 SchemaAwareBuilders.leafBuilder(nameSchemaNode).withValue(module.getName()).build());
1399 final QNameModule qNameModule = module.getQNameModule();
1401 instanceDataChildrenByName =
1402 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "revision");
1403 final LeafSchemaNode revisionSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1404 final Optional<Revision> revision = qNameModule.getRevision();
1405 moduleNodeValues.withChild(SchemaAwareBuilders.leafBuilder(revisionSchemaNode)
1406 .withValue(revision.map(Revision::toString).orElse("")).build());
1408 instanceDataChildrenByName =
1409 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "namespace");
1410 final LeafSchemaNode namespaceSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1411 moduleNodeValues.withChild(SchemaAwareBuilders.leafBuilder(namespaceSchemaNode)
1412 .withValue(qNameModule.getNamespace().toString()).build());
1414 instanceDataChildrenByName =
1415 ControllerContext.findInstanceDataChildrenByName(listModuleSchemaNode, "feature");
1416 final LeafListSchemaNode featureSchemaNode = getFirst(instanceDataChildrenByName, LeafListSchemaNode.class);
1417 final ListNodeBuilder<Object, SystemLeafSetNode<Object>> featuresBuilder =
1418 SchemaAwareBuilders.leafSetBuilder(featureSchemaNode);
1419 for (final FeatureDefinition feature : module.getFeatures()) {
1420 featuresBuilder.withChild(SchemaAwareBuilders.leafSetEntryBuilder(featureSchemaNode)
1421 .withValue(feature.getQName().getLocalName()).build());
1423 moduleNodeValues.withChild(featuresBuilder.build());
1425 return moduleNodeValues.build();
1428 protected MapEntryNode toStreamEntryNode(final String streamName, final DataSchemaNode streamSchemaNode) {
1429 checkArgument(streamSchemaNode instanceof ListSchemaNode,
1430 "streamSchemaNode has to be of type ListSchemaNode");
1431 final ListSchemaNode listStreamSchemaNode = (ListSchemaNode) streamSchemaNode;
1432 final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamNodeValues =
1433 SchemaAwareBuilders.mapEntryBuilder(listStreamSchemaNode);
1435 var instanceDataChildrenByName =
1436 ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "name");
1437 final LeafSchemaNode nameSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1438 streamNodeValues.withChild(
1439 SchemaAwareBuilders.leafBuilder(nameSchemaNode).withValue(streamName).build());
1441 instanceDataChildrenByName =
1442 ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "description");
1443 final LeafSchemaNode descriptionSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1444 streamNodeValues.withChild(SchemaAwareBuilders.leafBuilder(descriptionSchemaNode)
1445 .withValue("DESCRIPTION_PLACEHOLDER")
1448 instanceDataChildrenByName =
1449 ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "replay-support");
1450 final LeafSchemaNode replaySupportSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1451 streamNodeValues.withChild(SchemaAwareBuilders.leafBuilder(replaySupportSchemaNode)
1452 .withValue(Boolean.TRUE).build());
1454 instanceDataChildrenByName =
1455 ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "replay-log-creation-time");
1456 final LeafSchemaNode replayLogCreationTimeSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1457 streamNodeValues.withChild(
1458 SchemaAwareBuilders.leafBuilder(replayLogCreationTimeSchemaNode).withValue("").build());
1460 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(listStreamSchemaNode, "events");
1461 final LeafSchemaNode eventsSchemaNode = getFirstLeaf(instanceDataChildrenByName);
1462 streamNodeValues.withChild(
1463 SchemaAwareBuilders.leafBuilder(eventsSchemaNode).withValue(Empty.value()).build());
1465 return streamNodeValues.build();
1469 * Prepare stream for notification.
1472 * contains list of qnames of notifications
1473 * @return - checked future object
1475 private ListenableFuture<DOMRpcResult> invokeSalRemoteRpcNotifiStrRPC(final NormalizedNodeContext payload) {
1476 final ContainerNode data = (ContainerNode) payload.getData();
1477 LeafSetNode leafSet = null;
1478 String outputType = "XML";
1479 for (final DataContainerChild dataChild : data.body()) {
1480 if (dataChild instanceof LeafSetNode) {
1481 leafSet = (LeafSetNode) dataChild;
1482 } else if (dataChild instanceof AugmentationNode) {
1483 outputType = (String) ((AugmentationNode) dataChild).body().iterator().next().body();
1487 final Collection<LeafSetEntryNode<?>> entryNodes = leafSet.body();
1488 final List<Absolute> paths = new ArrayList<>();
1490 StringBuilder streamNameBuilder = new StringBuilder(CREATE_NOTIFICATION_STREAM).append('/');
1491 final Iterator<LeafSetEntryNode<?>> iterator = entryNodes.iterator();
1492 while (iterator.hasNext()) {
1493 final QName valueQName = QName.create((String) iterator.next().body());
1494 final XMLNamespace namespace = valueQName.getModule().getNamespace();
1495 final Module module = controllerContext.findModuleByNamespace(namespace);
1496 checkNotNull(module, "Module for namespace %s does not exist", namespace);
1497 NotificationDefinition notifiDef = null;
1498 for (final NotificationDefinition notification : module.getNotifications()) {
1499 if (notification.getQName().equals(valueQName)) {
1500 notifiDef = notification;
1504 final String moduleName = module.getName();
1505 if (notifiDef == null) {
1506 throw new IllegalArgumentException("Notification " + valueQName + " does not exist in module "
1510 paths.add(Absolute.of(notifiDef.getQName()));
1511 streamNameBuilder.append(moduleName).append(':').append(valueQName.getLocalName());
1512 if (iterator.hasNext()) {
1513 streamNameBuilder.append(',');
1517 final String streamName = streamNameBuilder.toString();
1518 final QName rpcQName = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
1520 if (!Notificator.existNotificationListenerFor(streamName)) {
1521 Notificator.createNotificationListener(paths, streamName, outputType, controllerContext);
1524 return Futures.immediateFuture(new DefaultDOMRpcResult(Builders.containerBuilder()
1525 .withNodeIdentifier(new NodeIdentifier(QName.create(rpcQName, "output")))
1526 .withChild(ImmutableNodes.leafNode(QName.create(rpcQName, "notification-stream-identifier"), streamName))
1530 private static LeafSchemaNode getFirstLeaf(final List<FoundChild> children) {
1531 return getFirst(children, LeafSchemaNode.class);
1534 private static <T extends DataSchemaNode> T getFirst(final List<FoundChild> children, final Class<T> expected) {
1535 checkState(!children.isEmpty());
1536 final var first = children.get(0);
1537 checkState(expected.isInstance(first.child));
1538 return expected.cast(first.child);
1541 private static EffectiveModelContext modelContext(final DOMMountPoint mountPoint) {
1542 return mountPoint.getService(DOMSchemaService.class)
1543 .flatMap(svc -> Optional.ofNullable(svc.getGlobalContext()))