package org.opendaylight.restconf.restful.utils;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.CheckedFuture;
+import java.util.ArrayList;
+import java.util.List;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
import org.opendaylight.netconf.sal.restconf.impl.RestconfDocumentedException;
import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorTag;
import org.opendaylight.netconf.sal.restconf.impl.RestconfError.ErrorType;
+import org.opendaylight.netconf.sal.streams.listeners.NotificationListenerAdapter;
import org.opendaylight.netconf.sal.streams.listeners.Notificator;
import org.opendaylight.restconf.common.references.SchemaContextRef;
import org.opendaylight.restconf.utils.parser.ParserIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableContainerNodeBuilder;
+import org.opendaylight.yangtools.yang.model.api.Module;
+import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
- * Util class for streams
+ * Util class for streams.
*
* <ul>
* <li>create stream
}
/**
- * Create stream with POST operation via RPC
+ * Create stream with POST operation via RPC.
*
* @param payload
- * - input of rpc - example in JSON:
+ * input of rpc - example in JSON:
*
* <pre>
* {@code
* </pre>
*
* @param refSchemaCtx
- * - reference to {@link SchemaContext} -
+ * reference to {@link SchemaContext} -
* {@link SchemaContextRef}
* @return {@link CheckedFuture} with {@link DOMRpcResult} - This mean
* output of RPC - example in JSON:
* </pre>
*
*/
- public static DOMRpcResult createStream(final NormalizedNodeContext payload,
+ public static DOMRpcResult createDataChangeNotifiStream(final NormalizedNodeContext payload,
final SchemaContextRef refSchemaCtx) {
final ContainerNode data = (ContainerNode) payload.getData();
final QName qname = payload.getInstanceIdentifierContext().getSchemaNode().getQName();
final YangInstanceIdentifier path = preparePath(data, qname);
- final String streamName = prepareStream(path, refSchemaCtx.get(), data);
+ String streamName = prepareDataChangeNotifiStreamName(path, refSchemaCtx.get(), data);
final QName outputQname = QName.create(qname, "output");
final QName streamNameQname = QName.create(qname, "stream-name");
- final ContainerNode output = ImmutableContainerNodeBuilder.create()
- .withNodeIdentifier(new NodeIdentifier(outputQname))
- .withChild(ImmutableNodes.leafNode(streamNameQname, streamName)).build();
final NotificationOutputType outputType = prepareOutputType(data);
+ if (outputType.equals(NotificationOutputType.JSON)) {
+ streamName = streamName + "/JSON";
+ }
if (!Notificator.existListenerFor(streamName)) {
Notificator.createListener(path, streamName, outputType);
}
+ final ContainerNode output =
+ ImmutableContainerNodeBuilder.create().withNodeIdentifier(new NodeIdentifier(outputQname))
+ .withChild(ImmutableNodes.leafNode(streamNameQname, streamName)).build();
return new DefaultDOMRpcResult(output);
}
/**
+ * Prepare {@code NotificationOutputType}.
+ *
* @param data
- * - data of notification
+ * data of notification
* @return output type fo notification
*/
private static NotificationOutputType prepareOutputType(final ContainerNode data) {
return outputType = outputType == null ? NotificationOutputType.XML : outputType;
}
- private static String prepareStream(final YangInstanceIdentifier path, final SchemaContext schemaContext,
+ private static String prepareDataChangeNotifiStreamName(final YangInstanceIdentifier path,
+ final SchemaContext schemaContext,
final ContainerNode data) {
LogicalDatastoreType ds = parseEnum(data, LogicalDatastoreType.class,
RestconfStreamsConstants.DATASTORE_PARAM_NAME);
DataChangeScope scope = parseEnum(data, DataChangeScope.class, RestconfStreamsConstants.SCOPE_PARAM_NAME);
scope = scope == null ? RestconfStreamsConstants.DEFAULT_SCOPE : scope;
- final String streamName = Notificator
+ final String streamName = RestconfStreamsConstants.DATA_SUBSCR + "/"
+ + Notificator
.createStreamNameFromUri(ParserIdentifier.stringFromYangInstanceIdentifier(path, schemaContext)
+ RestconfStreamsConstants.DS_URI + ds + RestconfStreamsConstants.SCOPE_URI + scope);
return streamName;
return null;
}
- return StreamUtil.resolveEnum(clazz, (String) value);
+ return ResolveEnumUtil.resolveEnum(clazz, (String) value);
}
- private static YangInstanceIdentifier preparePath(final ContainerNode data, final QName qName) {
+ private static YangInstanceIdentifier preparePath(final ContainerNode data, final QName qualifiedName) {
final Optional<DataContainerChild<? extends PathArgument, ?>> path = data
- .getChild(new YangInstanceIdentifier.NodeIdentifier(QName.create(qName, "path")));
+ .getChild(new YangInstanceIdentifier.NodeIdentifier(QName.create(qualifiedName, "path")));
Object pathValue = null;
if (path.isPresent()) {
pathValue = path.get().getValue();
}
if (!(pathValue instanceof YangInstanceIdentifier)) {
final String errMsg = "Instance identifier was not normalized correctly ";
- LOG.debug(errMsg + qName);
+ LOG.debug(errMsg + qualifiedName);
throw new RestconfDocumentedException(errMsg, ErrorType.APPLICATION, ErrorTag.OPERATION_FAILED);
}
return (YangInstanceIdentifier) pathValue;
}
+
+ /**
+ * Create stream with POST operation via RPC.
+ *
+ * @param notificatinoDefinition
+ * input of RPC
+ * @param refSchemaCtx
+ * schemaContext
+ * @param outputType
+ * output type
+ * @return {@link DOMRpcResult}
+ */
+ public static List<NotificationListenerAdapter> createYangNotifiStream(
+ final NotificationDefinition notificatinoDefinition, final SchemaContextRef refSchemaCtx,
+ final String outputType) {
+ final List<SchemaPath> paths = new ArrayList<>();
+ final QName notificatinoDefinitionQName = notificatinoDefinition.getQName();
+ final Module module =
+ refSchemaCtx.findModuleByNamespaceAndRevision(notificatinoDefinitionQName.getModule().getNamespace(),
+ notificatinoDefinitionQName.getModule().getRevision());
+ Preconditions.checkNotNull(module,
+ "Module for namespace " + notificatinoDefinitionQName.getModule().getNamespace() + " does not exist");
+ NotificationDefinition notifiDef = null;
+ for (final NotificationDefinition notification : module.getNotifications()) {
+ if (notification.getQName().equals(notificatinoDefinitionQName)) {
+ notifiDef = notification;
+ break;
+ }
+ }
+ final String moduleName = module.getName();
+ Preconditions.checkNotNull(notifiDef,
+ "Notification " + notificatinoDefinitionQName + "doesn't exist in module " + moduleName);
+ paths.add(notifiDef.getPath());
+ String streamName = RestconfStreamsConstants.CREATE_NOTIFICATION_STREAM + "/";
+ streamName = streamName + moduleName + ":" + notificatinoDefinitionQName.getLocalName();
+ if (outputType.equals("JSON")) {
+ streamName = streamName + "/JSON";
+ }
+
+ if (Notificator.existNotificationListenerFor(streamName)) {
+ final List<NotificationListenerAdapter> notificationListenerFor =
+ Notificator.getNotificationListenerFor(streamName);
+ return SubscribeToStreamUtil.pickSpecificListenerByOutput(notificationListenerFor, outputType);
+ }
+
+ return Notificator.createNotificationListener(paths, streamName, outputType);
+ }
}