2 * Copyright (c) 2014, 2015 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
9 package org.opendaylight.netconf.sal.restconf.impl;
11 import com.google.common.base.CharMatcher;
12 import com.google.common.base.Optional;
13 import com.google.common.base.Preconditions;
14 import com.google.common.base.Splitter;
15 import com.google.common.base.Strings;
16 import com.google.common.collect.Iterables;
17 import com.google.common.collect.Lists;
18 import com.google.common.collect.Maps;
19 import com.google.common.collect.Sets;
20 import com.google.common.util.concurrent.CheckedFuture;
21 import com.google.common.util.concurrent.FutureCallback;
22 import com.google.common.util.concurrent.Futures;
24 import java.net.URISyntaxException;
25 import java.text.DateFormat;
26 import java.text.ParseException;
27 import java.text.SimpleDateFormat;
28 import java.util.ArrayList;
29 import java.util.Collection;
30 import java.util.Collections;
31 import java.util.Date;
32 import java.util.HashMap;
33 import java.util.HashSet;
34 import java.util.Iterator;
35 import java.util.List;
37 import java.util.Map.Entry;
39 import java.util.concurrent.CancellationException;
40 import java.util.concurrent.CountDownLatch;
41 import java.util.concurrent.ExecutionException;
42 import javax.ws.rs.core.Context;
43 import javax.ws.rs.core.Response;
44 import javax.ws.rs.core.Response.ResponseBuilder;
45 import javax.ws.rs.core.Response.Status;
46 import javax.ws.rs.core.UriBuilder;
47 import javax.ws.rs.core.UriInfo;
48 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
49 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
50 import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
51 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
52 import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
53 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
54 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException;
55 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
56 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
57 import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
58 import org.opendaylight.netconf.md.sal.rest.common.RestconfValidationUtils;
59 import org.opendaylight.netconf.sal.rest.api.Draft02;
60 import org.opendaylight.netconf.sal.rest.api.RestconfService;
61 import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorTag;
62 import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorType;
63 import org.opendaylight.netconf.sal.streams.listeners.ListenerAdapter;
64 import org.opendaylight.netconf.sal.streams.listeners.NotificationListenerAdapter;
65 import org.opendaylight.netconf.sal.streams.listeners.Notificator;
66 import org.opendaylight.netconf.sal.streams.websockets.WebSocketServer;
67 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.DateAndTime;
68 import org.opendaylight.yang.gen.v1.urn.sal.restconf.event.subscription.rev140708.NotificationOutputTypeGrouping.NotificationOutputType;
69 import org.opendaylight.yangtools.yang.common.QName;
70 import org.opendaylight.yangtools.yang.common.QNameModule;
71 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
72 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
73 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
74 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
75 import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
76 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
77 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
78 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
79 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
80 import org.opendaylight.yangtools.yang.data.api.schema.LeafSetNode;
81 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
82 import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
83 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
84 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
85 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
86 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
87 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
88 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
89 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
90 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
91 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableLeafNodeBuilder;
92 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
93 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
94 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
95 import org.opendaylight.yangtools.yang.model.api.FeatureDefinition;
96 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
97 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
98 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
99 import org.opendaylight.yangtools.yang.model.api.Module;
100 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
101 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
102 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
103 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
104 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
105 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.EffectiveSchemaContext;
106 import org.slf4j.Logger;
107 import org.slf4j.LoggerFactory;
109 public class RestconfImpl implements RestconfService {
111 private static final RestconfImpl INSTANCE = new RestconfImpl();
114 * Notifications are served on port 8181.
116 private static final int NOTIFICATION_PORT = 8181;
118 private static final int CHAR_NOT_FOUND = -1;
120 private static final SimpleDateFormat REVISION_FORMAT = new SimpleDateFormat("yyyy-MM-dd");
122 private static final String SAL_REMOTE_NAMESPACE = "urn:opendaylight:params:xml:ns:yang:controller:md:sal:remote";
124 private BrokerFacade broker;
126 private ControllerContext controllerContext;
128 private static final Logger LOG = LoggerFactory.getLogger(RestconfImpl.class);
130 private static final DataChangeScope DEFAULT_SCOPE = DataChangeScope.BASE;
132 private static final LogicalDatastoreType DEFAULT_DATASTORE = LogicalDatastoreType.CONFIGURATION;
134 private static final URI NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT = URI.create("urn:sal:restconf:event:subscription");
136 private static final String DATASTORE_PARAM_NAME = "datastore";
138 private static final String SCOPE_PARAM_NAME = "scope";
140 private static final String OUTPUT_TYPE_PARAM_NAME = "notification-output-type";
142 private static final String NETCONF_BASE = "urn:ietf:params:xml:ns:netconf:base:1.0";
144 private static final String NETCONF_BASE_PAYLOAD_NAME = "data";
146 private static final QName NETCONF_BASE_QNAME;
148 private static final QNameModule SAL_REMOTE_AUGMENT;
150 private static final YangInstanceIdentifier.AugmentationIdentifier SAL_REMOTE_AUG_IDENTIFIER;
152 public static final CharSequence DATA_SUBSCR = "data-change-event-subscription";
153 private static final CharSequence CREATE_DATA_SUBSCR = "create-" + DATA_SUBSCR;
155 public static final CharSequence NOTIFICATION_STREAM = "notification-stream";
156 private static final CharSequence CREATE_NOTIFICATION_STREAM = "create-" + NOTIFICATION_STREAM;
160 final Date eventSubscriptionAugRevision = new SimpleDateFormat("yyyy-MM-dd").parse("2014-07-08");
161 NETCONF_BASE_QNAME = QName.create(QNameModule.create(new URI(NETCONF_BASE), null),
162 NETCONF_BASE_PAYLOAD_NAME);
163 SAL_REMOTE_AUGMENT = QNameModule.create(NAMESPACE_EVENT_SUBSCRIPTION_AUGMENT,
164 eventSubscriptionAugRevision);
165 SAL_REMOTE_AUG_IDENTIFIER = new YangInstanceIdentifier.AugmentationIdentifier(Sets.newHashSet(
166 QName.create(SAL_REMOTE_AUGMENT, "scope"),
167 QName.create(SAL_REMOTE_AUGMENT, "datastore"),
168 QName.create(SAL_REMOTE_AUGMENT, "notification-output-type")));
169 } catch (final ParseException e) {
170 final String errMsg = "It wasn't possible to convert revision date of sal-remote-augment to date";
172 throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
173 } catch (final URISyntaxException e) {
174 final String errMsg = "It wasn't possible to create instance of URI class with "+NETCONF_BASE+" URI";
175 throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
179 public void setBroker(final BrokerFacade broker) {
180 this.broker = broker;
183 public void setControllerContext(final ControllerContext controllerContext) {
184 this.controllerContext = controllerContext;
187 private RestconfImpl() {
190 public static RestconfImpl getInstance() {
195 public NormalizedNodeContext getModules(final UriInfo uriInfo) {
196 final Set<Module> allModules = this.controllerContext.getAllModules();
197 final MapNode allModuleMap = makeModuleMapNode(allModules);
199 final SchemaContext schemaContext = this.controllerContext.getGlobalSchema();
201 final Module restconfModule = getRestconfModule();
202 final DataSchemaNode modulesSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
203 restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
204 Preconditions.checkState(modulesSchemaNode instanceof ContainerSchemaNode);
206 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
207 Builders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
208 moduleContainerBuilder.withChild(allModuleMap);
210 return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, modulesSchemaNode,
211 null, schemaContext), moduleContainerBuilder.build(),
212 QueryParametersParser.parseWriterParameters(uriInfo));
216 * Valid only for mount point
219 public NormalizedNodeContext getModules(final String identifier, final UriInfo uriInfo) {
220 Preconditions.checkNotNull(identifier);
221 if ( ! identifier.contains(ControllerContext.MOUNT)) {
222 final String errMsg = "URI has bad format. If modules behind mount point should be showed,"
223 + " URI has to end with " + ControllerContext.MOUNT;
224 LOG.debug(errMsg + " for " + identifier);
225 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
228 final InstanceIdentifierContext<?> mountPointIdentifier = this.controllerContext
229 .toMountPointIdentifier(identifier);
230 final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
231 final Set<Module> modules = this.controllerContext.getAllModules(mountPoint);
232 final MapNode mountPointModulesMap = makeModuleMapNode(modules);
234 final Module restconfModule = getRestconfModule();
235 final DataSchemaNode modulesSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
236 restconfModule, Draft02.RestConfModule.MODULES_CONTAINER_SCHEMA_NODE);
237 Preconditions.checkState(modulesSchemaNode instanceof ContainerSchemaNode);
239 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> moduleContainerBuilder =
240 Builders.containerBuilder((ContainerSchemaNode) modulesSchemaNode);
241 moduleContainerBuilder.withChild(mountPointModulesMap);
243 return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, modulesSchemaNode,
244 mountPoint, this.controllerContext.getGlobalSchema()), moduleContainerBuilder.build(),
245 QueryParametersParser.parseWriterParameters(uriInfo));
249 public NormalizedNodeContext getModule(final String identifier, final UriInfo uriInfo) {
250 Preconditions.checkNotNull(identifier);
251 final QName moduleNameAndRevision = getModuleNameAndRevision(identifier);
252 Module module = null;
253 DOMMountPoint mountPoint = null;
254 final SchemaContext schemaContext;
255 if (identifier.contains(ControllerContext.MOUNT)) {
256 final InstanceIdentifierContext<?> mountPointIdentifier = this.controllerContext
257 .toMountPointIdentifier(identifier);
258 mountPoint = mountPointIdentifier.getMountPoint();
259 module = this.controllerContext.findModuleByNameAndRevision(mountPoint, moduleNameAndRevision);
260 schemaContext = mountPoint.getSchemaContext();
262 module = this.controllerContext.findModuleByNameAndRevision(moduleNameAndRevision);
263 schemaContext = this.controllerContext.getGlobalSchema();
266 if (module == null) {
267 final String errMsg = "Module with name '" + moduleNameAndRevision.getLocalName()
268 + "' and revision '" + moduleNameAndRevision.getRevision() + "' was not found.";
270 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
273 final Module restconfModule = getRestconfModule();
274 final Set<Module> modules = Collections.singleton(module);
275 final MapNode moduleMap = makeModuleMapNode(modules);
277 final DataSchemaNode moduleSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
278 restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
279 Preconditions.checkState(moduleSchemaNode instanceof ListSchemaNode);
281 return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, moduleSchemaNode, mountPoint,
282 schemaContext), moduleMap, QueryParametersParser.parseWriterParameters(uriInfo));
286 public NormalizedNodeContext getAvailableStreams(final UriInfo uriInfo) {
287 final SchemaContext schemaContext = this.controllerContext.getGlobalSchema();
288 final Set<String> availableStreams = Notificator.getStreamNames();
289 final Module restconfModule = getRestconfModule();
290 final DataSchemaNode streamSchemaNode = this.controllerContext
291 .getRestconfModuleRestConfSchemaNode(restconfModule, Draft02.RestConfModule.STREAM_LIST_SCHEMA_NODE);
292 Preconditions.checkState(streamSchemaNode instanceof ListSchemaNode);
294 final CollectionNodeBuilder<MapEntryNode, MapNode> listStreamsBuilder = Builders
295 .mapBuilder((ListSchemaNode) streamSchemaNode);
297 for (final String streamName : availableStreams) {
298 listStreamsBuilder.withChild(toStreamEntryNode(streamName, streamSchemaNode));
301 final DataSchemaNode streamsContainerSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
302 restconfModule, Draft02.RestConfModule.STREAMS_CONTAINER_SCHEMA_NODE);
303 Preconditions.checkState(streamsContainerSchemaNode instanceof ContainerSchemaNode);
305 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> streamsContainerBuilder =
306 Builders.containerBuilder((ContainerSchemaNode) streamsContainerSchemaNode);
307 streamsContainerBuilder.withChild(listStreamsBuilder.build());
310 return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, streamsContainerSchemaNode, null,
311 schemaContext), streamsContainerBuilder.build(), QueryParametersParser.parseWriterParameters(uriInfo));
315 public NormalizedNodeContext getOperations(final UriInfo uriInfo) {
316 final Set<Module> allModules = this.controllerContext.getAllModules();
317 return operationsFromModulesToNormalizedContext(allModules, null);
321 public NormalizedNodeContext getOperations(final String identifier, final UriInfo uriInfo) {
322 Set<Module> modules = null;
323 DOMMountPoint mountPoint = null;
324 if (identifier.contains(ControllerContext.MOUNT)) {
325 final InstanceIdentifierContext<?> mountPointIdentifier = this.controllerContext
326 .toMountPointIdentifier(identifier);
327 mountPoint = mountPointIdentifier.getMountPoint();
328 modules = this.controllerContext.getAllModules(mountPoint);
331 final String errMsg = "URI has bad format. If operations behind mount point should be showed, URI has to "
333 LOG.debug(errMsg + ControllerContext.MOUNT + " for " + identifier);
334 throw new RestconfDocumentedException(errMsg + ControllerContext.MOUNT, ErrorType.PROTOCOL,
335 ErrorTag.INVALID_VALUE);
338 return operationsFromModulesToNormalizedContext(modules, mountPoint);
342 * Special case only for GET restconf/operations use (since moment of pre-Beryllium
343 * Yang parser and Yang model API removal). The method is creating fake
344 * schema context with fake module and fake data by use own implementations
345 * of schema nodes and module.
348 * - set of modules for get RPCs from every module
350 * - mount point, if in use otherwise null
351 * @return {@link NormalizedNodeContext}
353 private NormalizedNodeContext operationsFromModulesToNormalizedContext(final Set<Module> modules,
354 final DOMMountPoint mountPoint) {
356 final ContainerSchemaNodeImpl fakeCont = new ContainerSchemaNodeImpl();
357 final List<LeafNode<Object>> listRpcNodes = new ArrayList<>();
358 for (final Module m : modules) {
359 for (final RpcDefinition rpc : m.getRpcs()) {
361 final LeafSchemaNode fakeLeaf = new LeafSchemaNodeImpl(fakeCont.getPath(),
362 QName.create(ModuleImpl.moduleQName, m.getName() + ":" + rpc.getQName().getLocalName()));
363 fakeCont.addNodeChild(fakeLeaf);
364 listRpcNodes.add(Builders.leafBuilder(fakeLeaf).build());
367 final ContainerSchemaNode fakeContSchNode = fakeCont;
368 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> containerBuilder = Builders
369 .containerBuilder(fakeContSchNode);
371 for (final LeafNode<Object> rpcNode : listRpcNodes) {
372 containerBuilder.withChild(rpcNode);
375 final Module fakeModule = new ModuleImpl(fakeContSchNode);
377 final Set<Module> fakeModules = new HashSet<>();
378 fakeModules.add(fakeModule);
379 final SchemaContext fakeSchemaCtx = EffectiveSchemaContext.resolveSchemaContext(fakeModules);
380 final InstanceIdentifierContext<ContainerSchemaNode> instanceIdentifierContext =
381 new InstanceIdentifierContext<>(null, fakeContSchNode, mountPoint, fakeSchemaCtx);
382 return new NormalizedNodeContext(instanceIdentifierContext, containerBuilder.build());
385 private Module getRestconfModule() {
386 final Module restconfModule = this.controllerContext.getRestconfModule();
387 if (restconfModule == null) {
388 LOG.debug("ietf-restconf module was not found.");
389 throw new RestconfDocumentedException("ietf-restconf module was not found.", ErrorType.APPLICATION,
390 ErrorTag.OPERATION_NOT_SUPPORTED);
393 return restconfModule;
396 private static QName getModuleNameAndRevision(final String identifier) {
397 final int mountIndex = identifier.indexOf(ControllerContext.MOUNT);
398 String moduleNameAndRevision = "";
399 if (mountIndex >= 0) {
400 moduleNameAndRevision = identifier.substring(mountIndex + ControllerContext.MOUNT.length());
402 moduleNameAndRevision = identifier;
405 final Splitter splitter = Splitter.on("/").omitEmptyStrings();
406 final Iterable<String> split = splitter.split(moduleNameAndRevision);
407 final List<String> pathArgs = Lists.<String> newArrayList(split);
408 if (pathArgs.size() < 2) {
409 LOG.debug("URI has bad format. It should be \'moduleName/yyyy-MM-dd\' " + identifier);
410 throw new RestconfDocumentedException(
411 "URI has bad format. End of URI should be in format \'moduleName/yyyy-MM-dd\'", ErrorType.PROTOCOL,
412 ErrorTag.INVALID_VALUE);
416 final String moduleName = pathArgs.get(0);
417 final String revision = pathArgs.get(1);
418 final Date moduleRevision = REVISION_FORMAT.parse(revision);
419 return QName.create(null, moduleRevision, moduleName);
420 } catch (final ParseException e) {
421 LOG.debug("URI has bad format. It should be \'moduleName/yyyy-MM-dd\' " + identifier);
422 throw new RestconfDocumentedException("URI has bad format. It should be \'moduleName/yyyy-MM-dd\'",
423 ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
428 public Object getRoot() {
433 public NormalizedNodeContext invokeRpc(final String identifier, final NormalizedNodeContext payload,
434 final UriInfo uriInfo) {
435 final SchemaPath type = payload.getInstanceIdentifierContext().getSchemaNode().getPath();
436 final URI namespace = payload.getInstanceIdentifierContext().getSchemaNode().getQName().getNamespace();
437 final CheckedFuture<DOMRpcResult, DOMRpcException> response;
438 final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
439 final SchemaContext schemaContext;
440 if (mountPoint != null) {
441 final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
442 if ( ! mountRpcServices.isPresent()) {
443 LOG.debug("Error: Rpc service is missing.");
444 throw new RestconfDocumentedException("Rpc service is missing.");
446 schemaContext = mountPoint.getSchemaContext();
447 response = mountRpcServices.get().invokeRpc(type, payload.getData());
449 if (namespace.toString().equals(SAL_REMOTE_NAMESPACE)) {
450 if (identifier.contains(CREATE_DATA_SUBSCR)) {
451 response = invokeSalRemoteRpcSubscribeRPC(payload);
452 } else if (identifier.contains(CREATE_NOTIFICATION_STREAM)) {
453 response = invokeSalRemoteRpcNotifiStrRPC(payload);
455 final String msg = "Not supported operation";
457 throw new RestconfDocumentedException(msg, ErrorType.RPC, ErrorTag.OPERATION_NOT_SUPPORTED);
460 response = this.broker.invokeRpc(type, payload.getData());
462 schemaContext = this.controllerContext.getGlobalSchema();
465 final DOMRpcResult result = checkRpcResponse(response);
467 RpcDefinition resultNodeSchema = null;
468 final NormalizedNode<?, ?> resultData = result.getResult();
469 if ((result != null) && (result.getResult() != null)) {
470 resultNodeSchema = (RpcDefinition) payload.getInstanceIdentifierContext().getSchemaNode();
473 return new NormalizedNodeContext(new InstanceIdentifierContext<RpcDefinition>(null,
474 resultNodeSchema, mountPoint, schemaContext), resultData,
475 QueryParametersParser.parseWriterParameters(uriInfo));
478 private static DOMRpcResult checkRpcResponse(final CheckedFuture<DOMRpcResult, DOMRpcException> response) {
479 if (response == null) {
483 final DOMRpcResult retValue = response.get();
484 if ((retValue.getErrors() == null) || retValue.getErrors().isEmpty()) {
487 LOG.debug("RpcError message", retValue.getErrors());
488 throw new RestconfDocumentedException("RpcError message", null, retValue.getErrors());
489 } catch (final InterruptedException e) {
490 final String errMsg = "The operation was interrupted while executing and did not complete.";
491 LOG.debug("Rpc Interrupt - " + errMsg, e);
492 throw new RestconfDocumentedException(errMsg, ErrorType.RPC, ErrorTag.PARTIAL_OPERATION);
493 } catch (final ExecutionException e) {
494 LOG.debug("Execution RpcError: ", e);
495 Throwable cause = e.getCause();
497 while (cause.getCause() != null) {
498 cause = cause.getCause();
501 if (cause instanceof IllegalArgumentException) {
502 throw new RestconfDocumentedException(cause.getMessage(), ErrorType.PROTOCOL,
503 ErrorTag.INVALID_VALUE);
504 } else if (cause instanceof DOMRpcImplementationNotAvailableException) {
505 throw new RestconfDocumentedException(cause.getMessage(), ErrorType.APPLICATION,
506 ErrorTag.OPERATION_NOT_SUPPORTED);
508 throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
511 throw new RestconfDocumentedException("The operation encountered an unexpected error while executing.",
514 } catch (final CancellationException e) {
515 final String errMsg = "The operation was cancelled while executing.";
516 LOG.debug("Cancel RpcExecution: " + errMsg, e);
517 throw new RestconfDocumentedException(errMsg, ErrorType.RPC, ErrorTag.PARTIAL_OPERATION);
521 private static void validateInput(final SchemaNode inputSchema, final NormalizedNodeContext payload) {
522 if ((inputSchema != null) && (payload.getData() == null)) {
523 // expected a non null payload
524 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
525 } else if ((inputSchema == null) && (payload.getData() != null)) {
526 // did not expect any input
527 throw new RestconfDocumentedException("No input expected.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
531 private CheckedFuture<DOMRpcResult, DOMRpcException>
532 invokeSalRemoteRpcSubscribeRPC(final NormalizedNodeContext payload) {
533 final ContainerNode value = (ContainerNode) payload.getData();
534 final QName rpcQName = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
535 final Optional<DataContainerChild<? extends PathArgument, ?>> path = value.getChild(new NodeIdentifier(
536 QName.create(payload.getInstanceIdentifierContext().getSchemaNode().getQName(), "path")));
537 final Object pathValue = path.isPresent() ? path.get().getValue() : null;
539 if (!(pathValue instanceof YangInstanceIdentifier)) {
540 final String errMsg = "Instance identifier was not normalized correctly ";
541 LOG.debug(errMsg + rpcQName);
542 throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
545 final YangInstanceIdentifier pathIdentifier = ((YangInstanceIdentifier) pathValue);
546 String streamName = (String) CREATE_DATA_SUBSCR;
547 NotificationOutputType outputType = null;
548 if (!pathIdentifier.isEmpty()) {
549 final String fullRestconfIdentifier = DATA_SUBSCR
550 + this.controllerContext.toFullRestconfIdentifier(pathIdentifier, null);
552 LogicalDatastoreType datastore =
553 parseEnumTypeParameter(value, LogicalDatastoreType.class, DATASTORE_PARAM_NAME);
554 datastore = datastore == null ? DEFAULT_DATASTORE : datastore;
556 DataChangeScope scope = parseEnumTypeParameter(value, DataChangeScope.class, SCOPE_PARAM_NAME);
557 scope = scope == null ? DEFAULT_SCOPE : scope;
559 outputType = parseEnumTypeParameter(value, NotificationOutputType.class,
560 OUTPUT_TYPE_PARAM_NAME);
561 outputType = outputType == null ? NotificationOutputType.XML : outputType;
563 streamName = Notificator.createStreamNameFromUri(fullRestconfIdentifier + "/datastore=" + datastore
564 + "/scope=" + scope);
567 if (Strings.isNullOrEmpty(streamName)) {
568 final String errMsg = "Path is empty or contains value node which is not Container or List build-in type.";
569 LOG.debug(errMsg + pathIdentifier);
570 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
573 final QName outputQname = QName.create(rpcQName, "output");
574 final QName streamNameQname = QName.create(rpcQName, "stream-name");
576 final ContainerNode output =
577 ImmutableContainerNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(outputQname))
578 .withChild(ImmutableNodes.leafNode(streamNameQname, streamName)).build();
580 if (!Notificator.existListenerFor(streamName)) {
581 Notificator.createListener(pathIdentifier, streamName, outputType);
584 final DOMRpcResult defaultDOMRpcResult = new DefaultDOMRpcResult(output);
586 return Futures.immediateCheckedFuture(defaultDOMRpcResult);
590 public NormalizedNodeContext invokeRpc(final String identifier, final String noPayload, final UriInfo uriInfo) {
591 if ((noPayload != null) && !CharMatcher.WHITESPACE.matchesAllOf(noPayload)) {
592 throw new RestconfDocumentedException("Content must be empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
595 String identifierEncoded = null;
596 DOMMountPoint mountPoint = null;
597 final SchemaContext schemaContext;
598 if (identifier.contains(ControllerContext.MOUNT)) {
599 // mounted RPC call - look up mount instance.
600 final InstanceIdentifierContext<?> mountPointId = this.controllerContext.toMountPointIdentifier(identifier);
601 mountPoint = mountPointId.getMountPoint();
602 schemaContext = mountPoint.getSchemaContext();
603 final int startOfRemoteRpcName = identifier.lastIndexOf(ControllerContext.MOUNT)
604 + ControllerContext.MOUNT.length() + 1;
605 final String remoteRpcName = identifier.substring(startOfRemoteRpcName);
606 identifierEncoded = remoteRpcName;
608 } else if (identifier.indexOf("/") != CHAR_NOT_FOUND) {
609 final String slashErrorMsg = String.format("Identifier %n%s%ncan\'t contain slash "
610 + "character (/).%nIf slash is part of identifier name then use %%2F placeholder.", identifier);
611 LOG.debug(slashErrorMsg);
612 throw new RestconfDocumentedException(slashErrorMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
614 identifierEncoded = identifier;
615 schemaContext = this.controllerContext.getGlobalSchema();
618 final String identifierDecoded = this.controllerContext.urlPathArgDecode(identifierEncoded);
620 RpcDefinition rpc = null;
621 if (mountPoint == null) {
622 rpc = this.controllerContext.getRpcDefinition(identifierDecoded, null);
624 rpc = findRpc(mountPoint.getSchemaContext(), identifierDecoded);
628 LOG.debug("RPC " + identifierDecoded + " does not exist.");
629 throw new RestconfDocumentedException("RPC does not exist.", ErrorType.RPC, ErrorTag.UNKNOWN_ELEMENT);
632 if (rpc.getInput() != null) {
633 LOG.debug("RPC " + rpc + " does not need input value.");
634 // FIXME : find a correct Error from specification
635 throw new IllegalStateException("RPC " + rpc + " does'n need input value!");
638 final CheckedFuture<DOMRpcResult, DOMRpcException> response;
639 if (mountPoint != null) {
640 final Optional<DOMRpcService> mountRpcServices = mountPoint.getService(DOMRpcService.class);
641 if ( ! mountRpcServices.isPresent()) {
642 throw new RestconfDocumentedException("Rpc service is missing.");
644 response = mountRpcServices.get().invokeRpc(rpc.getPath(), null);
646 response = this.broker.invokeRpc(rpc.getPath(), null);
649 final DOMRpcResult result = checkRpcResponse(response);
651 return new NormalizedNodeContext(new InstanceIdentifierContext<>(null, rpc, mountPoint, schemaContext),
652 result.getResult(), QueryParametersParser.parseWriterParameters(uriInfo));
655 private static RpcDefinition findRpc(final SchemaContext schemaContext, final String identifierDecoded) {
656 final String[] splittedIdentifier = identifierDecoded.split(":");
657 if (splittedIdentifier.length != 2) {
658 final String errMsg = identifierDecoded + " couldn't be splitted to 2 parts (module:rpc name)";
660 throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.INVALID_VALUE);
662 for (final Module module : schemaContext.getModules()) {
663 if (module.getName().equals(splittedIdentifier[0])) {
664 for (final RpcDefinition rpcDefinition : module.getRpcs()) {
665 if (rpcDefinition.getQName().getLocalName().equals(splittedIdentifier[1])) {
666 return rpcDefinition;
675 public NormalizedNodeContext readConfigurationData(final String identifier, final UriInfo uriInfo) {
676 final InstanceIdentifierContext<?> iiWithData = this.controllerContext.toInstanceIdentifier(identifier);
677 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
678 NormalizedNode<?, ?> data = null;
679 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
680 if (mountPoint != null) {
681 data = this.broker.readConfigurationData(mountPoint, normalizedII);
683 data = this.broker.readConfigurationData(normalizedII);
686 final String errMsg = "Request could not be completed because the relevant data model content does not exist ";
687 LOG.debug(errMsg + identifier);
688 throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.DATA_MISSING);
690 return new NormalizedNodeContext(iiWithData, data, QueryParametersParser.parseWriterParameters(uriInfo));
694 public NormalizedNodeContext readOperationalData(final String identifier, final UriInfo uriInfo) {
695 final InstanceIdentifierContext<?> iiWithData = this.controllerContext.toInstanceIdentifier(identifier);
696 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
697 NormalizedNode<?, ?> data = null;
698 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
699 if (mountPoint != null) {
700 data = this.broker.readOperationalData(mountPoint, normalizedII);
702 data = this.broker.readOperationalData(normalizedII);
705 final String errMsg = "Request could not be completed because the relevant data model content does not exist ";
706 LOG.debug(errMsg + identifier);
707 throw new RestconfDocumentedException(errMsg , ErrorType.APPLICATION, ErrorTag.DATA_MISSING);
709 return new NormalizedNodeContext(iiWithData, data, QueryParametersParser.parseWriterParameters(uriInfo));
713 public Response updateConfigurationData(final String identifier, final NormalizedNodeContext payload) {
714 Preconditions.checkNotNull(identifier);
715 final InstanceIdentifierContext<?> iiWithData = payload.getInstanceIdentifierContext();
717 validateInput(iiWithData.getSchemaNode(), payload);
718 validateTopLevelNodeName(payload, iiWithData.getInstanceIdentifier());
719 validateListKeysEqualityInPayloadAndUri(payload);
721 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
722 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
725 * There is a small window where another write transaction could be updating the same data
726 * simultaneously and we get an OptimisticLockFailedException. This error is likely
727 * transient and The WriteTransaction#submit API docs state that a retry will likely
728 * succeed. So we'll try again if that scenario occurs. If it fails a third time then it
729 * probably will never succeed so we'll fail in that case.
731 * By retrying we're attempting to hide the internal implementation of the data store and
732 * how it handles concurrent updates from the restconf client. The client has instructed us
733 * to put the data and we should make every effort to do so without pushing optimistic lock
734 * failures back to the client and forcing them to handle it via retry (and having to
735 * document the behavior).
737 PutResult result = null;
738 final TryOfPutData tryPutData = new TryOfPutData();
740 if (mountPoint != null) {
742 result = this.broker.commitMountPointDataPut(mountPoint, normalizedII, payload.getData());
744 result = this.broker.commitConfigurationDataPut(this.controllerContext.getGlobalSchema(), normalizedII,
747 final CountDownLatch waiter = new CountDownLatch(1);
748 Futures.addCallback(result.getFutureOfPutData(), new FutureCallback<Void>() {
751 public void onSuccess(final Void result) {
752 handlingLoggerPut(null, tryPutData, identifier);
757 public void onFailure(final Throwable t) {
759 handlingLoggerPut(t, tryPutData, identifier);
765 } catch (final Exception e) {
766 final String msg = "Problem while waiting for response";
768 throw new RestconfDocumentedException(msg, e);
771 if(tryPutData.isDone()){
774 throw new RestconfDocumentedException("Problem while PUT operations");
778 return Response.status(result.getStatus()).build();
781 protected void handlingLoggerPut(final Throwable t, final TryOfPutData tryPutData, final String identifier) {
783 if (t instanceof OptimisticLockFailedException) {
784 if (tryPutData.countGet() <= 0) {
785 LOG.debug("Got OptimisticLockFailedException on last try - failing " + identifier);
786 throw new RestconfDocumentedException(t.getMessage(), t);
788 LOG.debug("Got OptimisticLockFailedException - trying again " + identifier);
789 tryPutData.countDown();
791 LOG.debug("Update ConfigDataStore fail " + identifier, t);
792 throw new RestconfDocumentedException(t.getMessage(), t);
795 LOG.trace("PUT Successful " + identifier);
800 private static void validateTopLevelNodeName(final NormalizedNodeContext node,
801 final YangInstanceIdentifier identifier) {
803 final String payloadName = node.getData().getNodeType().getLocalName();
806 if (identifier.isEmpty()) {
808 if (!node.getData().getNodeType().equals(NETCONF_BASE_QNAME)) {
809 throw new RestconfDocumentedException("Instance identifier has to contain at least one path argument",
810 ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
814 final String identifierName = identifier.getLastPathArgument().getNodeType().getLocalName();
815 if (!payloadName.equals(identifierName)) {
816 throw new RestconfDocumentedException("Payload name (" + payloadName
817 + ") is different from identifier name (" + identifierName + ")", ErrorType.PROTOCOL,
818 ErrorTag.MALFORMED_MESSAGE);
824 * Validates whether keys in {@code payload} are equal to values of keys in {@code iiWithData} for list schema node
826 * @throws RestconfDocumentedException
827 * if key values or key count in payload and URI isn't equal
830 private static void validateListKeysEqualityInPayloadAndUri(final NormalizedNodeContext payload) {
831 Preconditions.checkArgument(payload != null);
832 final InstanceIdentifierContext<?> iiWithData = payload.getInstanceIdentifierContext();
833 final PathArgument lastPathArgument = iiWithData.getInstanceIdentifier().getLastPathArgument();
834 final SchemaNode schemaNode = iiWithData.getSchemaNode();
835 final NormalizedNode<?, ?> data = payload.getData();
836 if (schemaNode instanceof ListSchemaNode) {
837 final List<QName> keyDefinitions = ((ListSchemaNode) schemaNode).getKeyDefinition();
838 if ((lastPathArgument instanceof NodeIdentifierWithPredicates) && (data instanceof MapEntryNode)) {
839 final Map<QName, Object> uriKeyValues = ((NodeIdentifierWithPredicates) lastPathArgument).getKeyValues();
840 isEqualUriAndPayloadKeyValues(uriKeyValues, (MapEntryNode) data, keyDefinitions);
845 private static void isEqualUriAndPayloadKeyValues(final Map<QName, Object> uriKeyValues,
846 final MapEntryNode payload, final List<QName> keyDefinitions) {
848 final Map<QName, Object> mutableCopyUriKeyValues = Maps.newHashMap(uriKeyValues);
849 for (final QName keyDefinition : keyDefinitions) {
850 final Object uriKeyValue = mutableCopyUriKeyValues.remove(keyDefinition);
851 // should be caught during parsing URI to InstanceIdentifier
852 RestconfValidationUtils.checkDocumentedError(uriKeyValue != null, ErrorType.PROTOCOL, ErrorTag.DATA_MISSING,
853 "Missing key " + keyDefinition + " in URI.");
855 final Object dataKeyValue = payload.getIdentifier().getKeyValues().get(keyDefinition);
857 if ( ! uriKeyValue.equals(dataKeyValue)) {
858 final String errMsg = "The value '" + uriKeyValue + "' for key '" + keyDefinition.getLocalName() +
859 "' specified in the URI doesn't match the value '" + dataKeyValue
860 + "' specified in the message body. ";
861 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
867 public Response createConfigurationData(final String identifier, final NormalizedNodeContext payload,
868 final UriInfo uriInfo) {
869 return createConfigurationData(payload, uriInfo);
872 // FIXME create RestconfIdetifierHelper and move this method there
873 private static YangInstanceIdentifier checkConsistencyOfNormalizedNodeContext(final NormalizedNodeContext payload) {
874 Preconditions.checkArgument(payload != null);
875 Preconditions.checkArgument(payload.getData() != null);
876 Preconditions.checkArgument(payload.getData().getNodeType() != null);
877 Preconditions.checkArgument(payload.getInstanceIdentifierContext() != null);
878 Preconditions.checkArgument(payload.getInstanceIdentifierContext().getInstanceIdentifier() != null);
880 final QName payloadNodeQname = payload.getData().getNodeType();
881 final YangInstanceIdentifier yangIdent = payload.getInstanceIdentifierContext().getInstanceIdentifier();
882 if (payloadNodeQname.compareTo(yangIdent.getLastPathArgument().getNodeType()) > 0) {
885 final InstanceIdentifierContext<?> parentContext = payload.getInstanceIdentifierContext();
886 final SchemaNode parentSchemaNode = parentContext.getSchemaNode();
887 if(parentSchemaNode instanceof DataNodeContainer) {
888 final DataNodeContainer cast = (DataNodeContainer) parentSchemaNode;
889 for (final DataSchemaNode child : cast.getChildNodes()) {
890 if (payloadNodeQname.compareTo(child.getQName()) == 0) {
891 return YangInstanceIdentifier.builder(yangIdent).node(child.getQName()).build();
895 if (parentSchemaNode instanceof RpcDefinition) {
898 final String errMsg = "Error parsing input: DataSchemaNode has not children ";
899 LOG.info(errMsg + yangIdent);
900 throw new RestconfDocumentedException(errMsg, ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
904 public Response createConfigurationData(final NormalizedNodeContext payload, final UriInfo uriInfo) {
905 if (payload == null) {
906 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
909 // FIXME: move this to parsing stage (we can have augmentation nodes here which do not have namespace)
910 // final URI payloadNS = payload.getData().getNodeType().getNamespace();
911 // if (payloadNS == null) {
912 // throw new RestconfDocumentedException(
913 // "Data has bad format. Root element node must have namespace (XML format) or module name(JSON format)",
914 // ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE);
917 final DOMMountPoint mountPoint = payload.getInstanceIdentifierContext().getMountPoint();
918 final InstanceIdentifierContext<?> iiWithData = payload.getInstanceIdentifierContext();
919 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
921 CheckedFuture<Void, TransactionCommitFailedException> future;
922 if (mountPoint != null) {
923 future = this.broker.commitConfigurationDataPost(mountPoint, normalizedII, payload.getData());
925 future = this.broker.commitConfigurationDataPost(this.controllerContext.getGlobalSchema(), normalizedII,
929 final CountDownLatch waiter = new CountDownLatch(1);
930 Futures.addCallback(future, new FutureCallback<Void>() {
933 public void onSuccess(final Void result) {
934 handlerLoggerPost(null, uriInfo);
939 public void onFailure(final Throwable t) {
941 handlerLoggerPost(t, uriInfo);
947 } catch (final Exception e) {
948 final String msg = "Problem while waiting for response";
950 throw new RestconfDocumentedException(msg, e);
953 final ResponseBuilder responseBuilder = Response.status(Status.NO_CONTENT);
954 // FIXME: Provide path to result.
955 final URI location = resolveLocation(uriInfo, "", mountPoint, normalizedII);
956 if (location != null) {
957 responseBuilder.location(location);
959 return responseBuilder.build();
962 protected void handlerLoggerPost(final Throwable t, final UriInfo uriInfo) {
964 final String errMsg = "Error creating data ";
965 LOG.warn(errMsg + (uriInfo != null ? uriInfo.getPath() : ""), t);
966 throw new RestconfDocumentedException(errMsg, t);
968 LOG.trace("Successfuly create data.");
972 private URI resolveLocation(final UriInfo uriInfo, final String uriBehindBase, final DOMMountPoint mountPoint,
973 final YangInstanceIdentifier normalizedII) {
974 if(uriInfo == null) {
975 // This is null if invoked internally
979 final UriBuilder uriBuilder = uriInfo.getBaseUriBuilder();
980 uriBuilder.path("config");
982 uriBuilder.path(this.controllerContext.toFullRestconfIdentifier(normalizedII, mountPoint));
983 } catch (final Exception e) {
984 LOG.info("Location for instance identifier" + normalizedII + "wasn't created", e);
987 return uriBuilder.build();
991 public Response deleteConfigurationData(final String identifier) {
992 final InstanceIdentifierContext<?> iiWithData = this.controllerContext.toInstanceIdentifier(identifier);
993 final DOMMountPoint mountPoint = iiWithData.getMountPoint();
994 final YangInstanceIdentifier normalizedII = iiWithData.getInstanceIdentifier();
996 final CheckedFuture<Void, TransactionCommitFailedException> future;
997 if (mountPoint != null) {
998 future = this.broker.commitConfigurationDataDelete(mountPoint, normalizedII);
1000 future = this.broker.commitConfigurationDataDelete(normalizedII);
1003 final CountDownLatch waiter = new CountDownLatch(1);
1004 Futures.addCallback(future, new FutureCallback<Void>() {
1007 public void onSuccess(final Void result) {
1008 handlerLoggerDelete(null);
1013 public void onFailure(final Throwable t) {
1015 handlerLoggerDelete(t);
1022 } catch (final Exception e) {
1023 final String msg = "Problem while waiting for response";
1025 throw new RestconfDocumentedException(msg, e);
1028 return Response.status(Status.OK).build();
1031 protected void handlerLoggerDelete(final Throwable t) {
1033 final String errMsg = "Error while deleting data";
1034 LOG.info(errMsg, t);
1035 throw new RestconfDocumentedException(errMsg, t);
1037 LOG.trace("Successfuly delete data.");
1042 * Subscribes to some path in schema context (stream) to listen on changes on this stream.
1044 * Additional parameters for subscribing to stream are loaded via rpc input parameters:
1046 * <li>datastore - default CONFIGURATION (other values of {@link LogicalDatastoreType} enum type)</li>
1047 * <li>scope - default BASE (other values of {@link DataChangeScope})</li>
1051 public NormalizedNodeContext subscribeToStream(final String identifier, final UriInfo uriInfo) {
1052 boolean startTime_used = false;
1053 boolean stopTime_used = false;
1057 for (final Entry<String, List<String>> entry : uriInfo.getQueryParameters().entrySet()) {
1058 switch (entry.getKey()) {
1060 if (!startTime_used) {
1061 startTime_used = true;
1062 start = parseDateFromQueryParam(entry);
1064 throw new RestconfDocumentedException("Start-time parameter can be used only once.");
1068 if (!stopTime_used) {
1069 stopTime_used = true;
1070 stop = parseDateFromQueryParam(entry);
1072 throw new RestconfDocumentedException("Stop-time parameter can be used only once.");
1076 throw new RestconfDocumentedException("Bad parameter used with notifications: " + entry.getKey());
1079 if(!startTime_used && stopTime_used){
1080 throw new RestconfDocumentedException("Stop-time parameter has to be used with start-time parameter.");
1082 URI response = null;
1083 if (identifier.contains(DATA_SUBSCR)) {
1084 response = dataSubs(identifier, uriInfo, start, stop);
1085 } else if (identifier.contains(NOTIFICATION_STREAM)) {
1086 response = notifStream(identifier, uriInfo, start, stop);
1089 if(response != null){
1090 // prepare node with value of location
1091 final InstanceIdentifierContext<?> iid = prepareIIDSubsStreamOutput();
1092 final NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> builder = ImmutableLeafNodeBuilder
1093 .create().withValue(response.toString());
1094 builder.withNodeIdentifier(
1095 NodeIdentifier.create(QName.create("subscribe:to:notification", "2016-10-28", "location")));
1097 // prepare new header with location
1098 final Map<String, Object> headers = new HashMap<>();
1099 headers.put("Location", response);
1101 return new NormalizedNodeContext(iid, builder.build(), headers);
1104 final String msg = "Bad type of notification of sal-remote";
1106 throw new RestconfDocumentedException(msg);
1109 private Date parseDateFromQueryParam(final Entry<String, List<String>> entry) {
1110 final DateAndTime event = new DateAndTime(entry.getValue().iterator().next());
1111 String numOf_ms = "";
1112 final String value = event.getValue();
1113 if (value.contains(".")) {
1114 numOf_ms = numOf_ms + ".";
1115 final int lastChar = value.contains("Z") ? value.indexOf("Z") : (value.contains("+") ? value.indexOf("+")
1116 : (value.contains("-") ? value.indexOf("-") : value.length()));
1117 for (int i = 0; i < (lastChar - value.indexOf(".") - 1); i++) {
1118 numOf_ms = numOf_ms + "S";
1122 if (!value.contains("Z")) {
1123 zone = zone + "XXX";
1125 final DateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss" + numOf_ms + zone);
1128 return dateFormatter.parse(value.contains("Z") ? value.replace('T', ' ').substring(0, value.indexOf("Z"))
1129 : value.replace('T', ' '));
1130 } catch (final ParseException e) {
1131 throw new RestconfDocumentedException("Cannot parse of value in date: " + value + e);
1136 * @return {@link InstanceIdentifierContext} of location leaf for
1139 private InstanceIdentifierContext<?> prepareIIDSubsStreamOutput() {
1140 final QName qnameBase = QName.create("subscribe:to:notification", "2016-10-28", "notifi");
1141 final SchemaContext schemaCtx = ControllerContext.getInstance().getGlobalSchema();
1142 final DataSchemaNode location = ((ContainerSchemaNode) schemaCtx
1143 .findModuleByNamespaceAndRevision(qnameBase.getNamespace(), qnameBase.getRevision())
1144 .getDataChildByName(qnameBase)).getDataChildByName(QName.create(qnameBase, "location"));
1145 final List<PathArgument> path = new ArrayList<>();
1146 path.add(NodeIdentifier.create(qnameBase));
1147 path.add(NodeIdentifier.create(QName.create(qnameBase, "location")));
1149 return new InstanceIdentifierContext<SchemaNode>(YangInstanceIdentifier.create(path), location, null,
1154 * Register notification listener by stream name
1161 * - stop-time of getting notification
1163 * - start-time of getting notification
1164 * @return {@link Response}
1166 private URI notifStream(final String identifier, final UriInfo uriInfo, final Date start, final Date stop) {
1167 final String streamName = Notificator.createStreamNameFromUri(identifier);
1168 if (Strings.isNullOrEmpty(streamName)) {
1169 throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1171 final List<NotificationListenerAdapter> listeners = Notificator.getNotificationListenerFor(streamName);
1172 if ((listeners == null) || listeners.isEmpty()) {
1173 throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL,
1174 ErrorTag.UNKNOWN_ELEMENT);
1177 for (final NotificationListenerAdapter listener : listeners) {
1178 this.broker.registerToListenNotification(listener);
1179 listener.setTime(start, stop);
1182 final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
1183 int notificationPort = NOTIFICATION_PORT;
1185 final WebSocketServer webSocketServerInstance = WebSocketServer.getInstance();
1186 notificationPort = webSocketServerInstance.getPort();
1187 } catch (final NullPointerException e) {
1188 WebSocketServer.createInstance(NOTIFICATION_PORT);
1190 final UriBuilder uriToWebsocketServerBuilder = uriBuilder.port(notificationPort).scheme("ws");
1191 final URI uriToWebsocketServer = uriToWebsocketServerBuilder.replacePath(streamName).build();
1193 return uriToWebsocketServer;
1197 * Register data change listener by stream name
1204 * - start-time of getting notification
1206 * - stop-time of getting notification
1207 * @return {@link Response}
1209 private URI dataSubs(final String identifier, final UriInfo uriInfo, final Date start, final Date stop) {
1210 final String streamName = Notificator.createStreamNameFromUri(identifier);
1211 if (Strings.isNullOrEmpty(streamName)) {
1212 throw new RestconfDocumentedException("Stream name is empty.", ErrorType.PROTOCOL, ErrorTag.INVALID_VALUE);
1215 final ListenerAdapter listener = Notificator.getListenerFor(streamName);
1216 if (listener == null) {
1217 throw new RestconfDocumentedException("Stream was not found.", ErrorType.PROTOCOL, ErrorTag.UNKNOWN_ELEMENT);
1219 listener.setTimer(start, stop);
1221 final Map<String, String> paramToValues = resolveValuesFromUri(identifier);
1222 final LogicalDatastoreType datastore = parserURIEnumParameter(LogicalDatastoreType.class,
1223 paramToValues.get(DATASTORE_PARAM_NAME));
1224 if (datastore == null) {
1225 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /datastore=)",
1226 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1228 final DataChangeScope scope = parserURIEnumParameter(DataChangeScope.class, paramToValues.get(SCOPE_PARAM_NAME));
1229 if (scope == null) {
1230 throw new RestconfDocumentedException("Stream name doesn't contains datastore value (pattern /scope=)",
1231 ErrorType.APPLICATION, ErrorTag.MISSING_ATTRIBUTE);
1234 this.broker.registerToListenDataChanges(datastore, scope, listener);
1236 final UriBuilder uriBuilder = uriInfo.getAbsolutePathBuilder();
1237 int notificationPort = NOTIFICATION_PORT;
1239 final WebSocketServer webSocketServerInstance = WebSocketServer.getInstance();
1240 notificationPort = webSocketServerInstance.getPort();
1241 } catch (final NullPointerException e) {
1242 WebSocketServer.createInstance(NOTIFICATION_PORT);
1244 final UriBuilder uriToWebsocketServerBuilder = uriBuilder.port(notificationPort).scheme("ws");
1245 final URI uriToWebsocketServer = uriToWebsocketServerBuilder.replacePath(streamName).build();
1247 return uriToWebsocketServer;
1251 public PATCHStatusContext patchConfigurationData(final String identifier, final PATCHContext context,
1252 final UriInfo uriInfo) {
1253 if (context == null) {
1254 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
1258 return this.broker.patchConfigurationDataWithinTransaction(context);
1259 } catch (final Exception e) {
1260 LOG.debug("Patch transaction failed", e);
1261 throw new RestconfDocumentedException(e.getMessage());
1266 public PATCHStatusContext patchConfigurationData(final PATCHContext context, @Context final UriInfo uriInfo) {
1267 if (context == null) {
1268 throw new RestconfDocumentedException("Input is required.", ErrorType.PROTOCOL, ErrorTag.MALFORMED_MESSAGE);
1272 return this.broker.patchConfigurationDataWithinTransaction(context);
1273 } catch (final Exception e) {
1274 LOG.debug("Patch transaction failed", e);
1275 throw new RestconfDocumentedException(e.getMessage());
1280 * Load parameter for subscribing to stream from input composite node
1284 * @return enum object if its string value is equal to {@code paramName}. In other cases null.
1286 private static <T> T parseEnumTypeParameter(final ContainerNode value, final Class<T> classDescriptor,
1287 final String paramName) {
1288 final Optional<DataContainerChild<? extends PathArgument, ?>> augNode = value.getChild(SAL_REMOTE_AUG_IDENTIFIER);
1289 if (!augNode.isPresent() && !(augNode instanceof AugmentationNode)) {
1292 final Optional<DataContainerChild<? extends PathArgument, ?>> enumNode =
1293 ((AugmentationNode) augNode.get())
1294 .getChild(new NodeIdentifier(QName.create(SAL_REMOTE_AUGMENT, paramName)));
1295 if (!enumNode.isPresent()) {
1298 final Object rawValue = enumNode.get().getValue();
1299 if (!(rawValue instanceof String)) {
1303 return resolveAsEnum(classDescriptor, (String) rawValue);
1307 * Checks whether {@code value} is one of the string representation of enumeration {@code classDescriptor}
1309 * @return enum object if string value of {@code classDescriptor} enumeration is equal to {@code value}. Other cases
1312 private static <T> T parserURIEnumParameter(final Class<T> classDescriptor, final String value) {
1313 if (Strings.isNullOrEmpty(value)) {
1316 return resolveAsEnum(classDescriptor, value);
1319 private static <T> T resolveAsEnum(final Class<T> classDescriptor, final String value) {
1320 final T[] enumConstants = classDescriptor.getEnumConstants();
1321 if (enumConstants != null) {
1322 for (final T enm : classDescriptor.getEnumConstants()) {
1323 if (((Enum<?>) enm).name().equals(value)) {
1331 private static Map<String, String> resolveValuesFromUri(final String uri) {
1332 final Map<String, String> result = new HashMap<>();
1333 final String[] tokens = uri.split("/");
1334 for (int i = 1; i < tokens.length; i++) {
1335 final String[] parameterTokens = tokens[i].split("=");
1336 if (parameterTokens.length == 2) {
1337 result.put(parameterTokens[0], parameterTokens[1]);
1343 private MapNode makeModuleMapNode(final Set<Module> modules) {
1344 Preconditions.checkNotNull(modules);
1345 final Module restconfModule = getRestconfModule();
1346 final DataSchemaNode moduleSchemaNode = this.controllerContext.getRestconfModuleRestConfSchemaNode(
1347 restconfModule, Draft02.RestConfModule.MODULE_LIST_SCHEMA_NODE);
1348 Preconditions.checkState(moduleSchemaNode instanceof ListSchemaNode);
1350 final CollectionNodeBuilder<MapEntryNode, MapNode> listModuleBuilder = Builders
1351 .mapBuilder((ListSchemaNode) moduleSchemaNode);
1353 for (final Module module : modules) {
1354 listModuleBuilder.withChild(toModuleEntryNode(module, moduleSchemaNode));
1356 return listModuleBuilder.build();
1359 protected MapEntryNode toModuleEntryNode(final Module module, final DataSchemaNode moduleSchemaNode) {
1360 Preconditions.checkArgument(moduleSchemaNode instanceof ListSchemaNode,
1361 "moduleSchemaNode has to be of type ListSchemaNode");
1362 final ListSchemaNode listModuleSchemaNode = (ListSchemaNode) moduleSchemaNode;
1363 final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> moduleNodeValues = Builders
1364 .mapEntryBuilder(listModuleSchemaNode);
1366 List<DataSchemaNode> instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1367 (listModuleSchemaNode), "name");
1368 final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1369 Preconditions.checkState(nameSchemaNode instanceof LeafSchemaNode);
1370 moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) nameSchemaNode).withValue(module.getName())
1373 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1374 (listModuleSchemaNode), "revision");
1375 final DataSchemaNode revisionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1376 Preconditions.checkState(revisionSchemaNode instanceof LeafSchemaNode);
1377 final String revision = REVISION_FORMAT.format(module.getRevision());
1378 moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) revisionSchemaNode).withValue(revision)
1381 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1382 (listModuleSchemaNode), "namespace");
1383 final DataSchemaNode namespaceSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1384 Preconditions.checkState(namespaceSchemaNode instanceof LeafSchemaNode);
1385 moduleNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) namespaceSchemaNode)
1386 .withValue(module.getNamespace().toString()).build());
1388 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1389 (listModuleSchemaNode), "feature");
1390 final DataSchemaNode featureSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1391 Preconditions.checkState(featureSchemaNode instanceof LeafListSchemaNode);
1392 final ListNodeBuilder<Object, LeafSetEntryNode<Object>> featuresBuilder = Builders
1393 .leafSetBuilder((LeafListSchemaNode) featureSchemaNode);
1394 for (final FeatureDefinition feature : module.getFeatures()) {
1395 featuresBuilder.withChild(Builders.leafSetEntryBuilder(((LeafListSchemaNode) featureSchemaNode))
1396 .withValue(feature.getQName().getLocalName()).build());
1398 moduleNodeValues.withChild(featuresBuilder.build());
1400 return moduleNodeValues.build();
1403 protected MapEntryNode toStreamEntryNode(final String streamName, final DataSchemaNode streamSchemaNode) {
1404 Preconditions.checkArgument(streamSchemaNode instanceof ListSchemaNode,
1405 "streamSchemaNode has to be of type ListSchemaNode");
1406 final ListSchemaNode listStreamSchemaNode = (ListSchemaNode) streamSchemaNode;
1407 final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> streamNodeValues = Builders
1408 .mapEntryBuilder(listStreamSchemaNode);
1410 List<DataSchemaNode> instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1411 (listStreamSchemaNode), "name");
1412 final DataSchemaNode nameSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1413 Preconditions.checkState(nameSchemaNode instanceof LeafSchemaNode);
1414 streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) nameSchemaNode).withValue(streamName)
1417 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1418 (listStreamSchemaNode), "description");
1419 final DataSchemaNode descriptionSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1420 Preconditions.checkState(descriptionSchemaNode instanceof LeafSchemaNode);
1421 streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) nameSchemaNode)
1422 .withValue("DESCRIPTION_PLACEHOLDER").build());
1424 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1425 (listStreamSchemaNode), "replay-support");
1426 final DataSchemaNode replaySupportSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1427 Preconditions.checkState(replaySupportSchemaNode instanceof LeafSchemaNode);
1428 streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) replaySupportSchemaNode)
1429 .withValue(Boolean.valueOf(true)).build());
1431 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1432 (listStreamSchemaNode), "replay-log-creation-time");
1433 final DataSchemaNode replayLogCreationTimeSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1434 Preconditions.checkState(replayLogCreationTimeSchemaNode instanceof LeafSchemaNode);
1435 streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) replayLogCreationTimeSchemaNode)
1436 .withValue("").build());
1438 instanceDataChildrenByName = ControllerContext.findInstanceDataChildrenByName(
1439 (listStreamSchemaNode), "events");
1440 final DataSchemaNode eventsSchemaNode = Iterables.getFirst(instanceDataChildrenByName, null);
1441 Preconditions.checkState(eventsSchemaNode instanceof LeafSchemaNode);
1442 streamNodeValues.withChild(Builders.leafBuilder((LeafSchemaNode) eventsSchemaNode)
1443 .withValue("").build());
1445 return streamNodeValues.build();
1449 * Prepare stream for notification
1452 * - contains list of qnames of notifications
1453 * @return - checked future object
1455 private CheckedFuture<DOMRpcResult, DOMRpcException> invokeSalRemoteRpcNotifiStrRPC(
1456 final NormalizedNodeContext payload) {
1457 final ContainerNode data = (ContainerNode) payload.getData();
1458 LeafSetNode leafSet = null;
1459 String outputType = "XML";
1460 for (final DataContainerChild<? extends PathArgument, ?> dataChild : data.getValue()) {
1461 if (dataChild instanceof LeafSetNode) {
1462 leafSet = (LeafSetNode) dataChild;
1463 } else if (dataChild instanceof AugmentationNode) {
1464 outputType = (String) (((AugmentationNode) dataChild).getValue()).iterator().next().getValue();
1468 final Collection<LeafSetEntryNode> entryNodes = leafSet.getValue();
1469 final List<SchemaPath> paths = new ArrayList<>();
1470 String streamName = CREATE_NOTIFICATION_STREAM + "/";
1472 final Iterator<LeafSetEntryNode> iterator = entryNodes.iterator();
1473 while (iterator.hasNext()) {
1474 final QName valueQName = QName.create((String) iterator.next().getValue());
1475 final Module module = ControllerContext.getInstance()
1476 .findModuleByNamespace(valueQName.getModule().getNamespace());
1477 Preconditions.checkNotNull(module, "Module for namespace " + valueQName.getModule().getNamespace()
1478 + " does not exist");
1479 NotificationDefinition notifiDef = null;
1480 for (final NotificationDefinition notification : module.getNotifications()) {
1481 if (notification.getQName().equals(valueQName)) {
1482 notifiDef = notification;
1486 final String moduleName = module.getName();
1487 Preconditions.checkNotNull(notifiDef,
1488 "Notification " + valueQName + "doesn't exist in module " + moduleName);
1489 paths.add(notifiDef.getPath());
1490 streamName = streamName + moduleName + ":" + valueQName.getLocalName();
1491 if (iterator.hasNext()) {
1492 streamName = streamName + ",";
1496 final QName rpcQName = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
1497 final QName outputQname = QName.create(rpcQName, "output");
1498 final QName streamNameQname = QName.create(rpcQName, "notification-stream-identifier");
1500 final ContainerNode output = ImmutableContainerNodeBuilder.create()
1501 .withNodeIdentifier(new NodeIdentifier(outputQname))
1502 .withChild(ImmutableNodes.leafNode(streamNameQname, streamName)).build();
1504 if (!Notificator.existNotificationListenerFor(streamName)) {
1505 Notificator.createNotificationListener(paths, streamName, outputType);
1508 final DOMRpcResult defaultDOMRpcResult = new DefaultDOMRpcResult(output);
1510 return Futures.immediateCheckedFuture(defaultDOMRpcResult);
1513 private class TryOfPutData {
1515 boolean done = false;