*/
package org.opendaylight.controller.sal.connect.netconf.schema.mapping;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.EVENT_TIME;
import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_RPC_QNAME;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_URI;
+import static org.opendaylight.controller.sal.connect.netconf.util.NetconfMessageTransformUtil.toPath;
import com.google.common.base.Function;
import com.google.common.base.Preconditions;
-import com.google.common.base.Predicate;
-import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;
import java.io.IOException;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.AbstractMap;
import java.util.Collection;
import java.util.Collections;
+import java.util.Date;
import java.util.List;
import java.util.Map;
-import java.util.NoSuchElementException;
import java.util.Set;
+import javax.annotation.Nonnull;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;
import javax.xml.transform.dom.DOMResult;
+import org.opendaylight.controller.md.sal.dom.api.DOMEvent;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
import org.opendaylight.controller.md.sal.dom.spi.DefaultDOMRpcResult;
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
import org.opendaylight.controller.netconf.api.NetconfMessage;
+import org.opendaylight.controller.netconf.notifications.NetconfNotification;
+import org.opendaylight.controller.netconf.util.OrderedNormalizedNodeWriter;
import org.opendaylight.controller.netconf.util.exception.MissingNameSpaceException;
import org.opendaylight.controller.netconf.util.xml.XmlElement;
import org.opendaylight.controller.netconf.util.xml.XmlUtil;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
import org.opendaylight.yangtools.yang.data.impl.codec.xml.XMLStreamNormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlUtils;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
private static final Logger LOG= LoggerFactory.getLogger(NetconfMessageTransformer.class);
- private static final DomToNormalizedNodeParserFactory NORMALIZED_NODE_PARSER_FACTORY = DomToNormalizedNodeParserFactory.getInstance(XmlUtils.DEFAULT_XML_CODEC_PROVIDER);
private static final Function<SchemaNode, QName> QNAME_FUNCTION = new Function<SchemaNode, QName>() {
@Override
static {
try {
final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
- // TODO this should be used only if the base is not present
moduleInfoBackedContext.addModuleInfos(
Lists.newArrayList(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.$YangModuleInfoImpl.getInstance()));
BASE_NETCONF_CTX = moduleInfoBackedContext.tryToCreateSchemaContext().get();
throw new ExceptionInInitializerError(e);
}
}
+ private static final Map<QName, RpcDefinition> MAPPED_BASE_RPCS = Maps.uniqueIndex(BASE_NETCONF_CTX.getOperations(), QNAME_FUNCTION);
private final SchemaContext schemaContext;
private final MessageCounter counter;
private final Map<QName, RpcDefinition> mappedRpcs;
private final Multimap<QName, NotificationDefinition> mappedNotifications;
+ private final DomToNormalizedNodeParserFactory parserFactory;
- public NetconfMessageTransformer(final SchemaContext schemaContext) {
+ public NetconfMessageTransformer(final SchemaContext schemaContext, final boolean strictParsing) {
this.counter = new MessageCounter();
this.schemaContext = schemaContext;
+ parserFactory = DomToNormalizedNodeParserFactory.getInstance(XmlUtils.DEFAULT_XML_CODEC_PROVIDER, schemaContext, strictParsing);
mappedRpcs = Maps.uniqueIndex(schemaContext.getOperations(), QNAME_FUNCTION);
mappedNotifications = Multimaps.index(schemaContext.getNotifications(), QNAME_NOREV_FUNCTION);
}
@Override
- public synchronized ContainerNode toNotification(final NetconfMessage message) {
- final XmlElement stripped = stripNotification(message);
+ public synchronized DOMNotification toNotification(final NetconfMessage message) {
+ final Map.Entry<Date, XmlElement> stripped = stripNotification(message);
final QName notificationNoRev;
try {
// How to construct QName with no revision ?
- notificationNoRev = QName.cachedReference(QName.create(stripped.getNamespace(), "0000-00-00", stripped.getName()).withoutRevision());
+ notificationNoRev = QName.cachedReference(QName.create(stripped.getValue().getNamespace(), "0000-00-00", stripped.getValue().getName()).withoutRevision());
} catch (final MissingNameSpaceException e) {
throw new IllegalArgumentException("Unable to parse notification " + message + ", cannot find namespace", e);
}
// We wrap the notification as a container node in order to reuse the parsers and builders for container node
final ContainerSchemaNode notificationAsContainerSchemaNode = NetconfMessageTransformUtil.createSchemaForNotification(next);
- return NORMALIZED_NODE_PARSER_FACTORY.getContainerNodeParser().parse(Collections.singleton(stripped.getDomElement()), notificationAsContainerSchemaNode);
+ final ContainerNode content = parserFactory.getContainerNodeParser().parse(Collections.singleton(stripped.getValue().getDomElement()),
+ notificationAsContainerSchemaNode);
+ return new NetconfDeviceNotification(content, stripped.getKey());
}
// FIXME move somewhere to util
- private static XmlElement stripNotification(final NetconfMessage message) {
+ private static Map.Entry<Date, XmlElement> stripNotification(final NetconfMessage message) {
final XmlElement xmlElement = XmlElement.fromDomDocument(message.getDocument());
final List<XmlElement> childElements = xmlElement.getChildElements();
Preconditions.checkArgument(childElements.size() == 2, "Unable to parse notification %s, unexpected format", message);
+
+ final XmlElement eventTimeElement;
+ final XmlElement notificationElement;
+
+ if (childElements.get(0).getName().equals(EVENT_TIME)) {
+ eventTimeElement = childElements.get(0);
+ notificationElement = childElements.get(1);
+ }
+ else if(childElements.get(1).getName().equals(EVENT_TIME)) {
+ eventTimeElement = childElements.get(1);
+ notificationElement = childElements.get(0);
+ } else {
+ throw new IllegalArgumentException("Notification payload does not contain " + EVENT_TIME + " " + message);
+ }
+
try {
- return Iterables.find(childElements, new Predicate<XmlElement>() {
- @Override
- public boolean apply(final XmlElement xmlElement) {
- return !xmlElement.getName().equals("eventTime");
- }
- });
- } catch (final NoSuchElementException e) {
- throw new IllegalArgumentException("Unable to parse notification " + message + ", cannot strip notification metadata", e);
+ return new AbstractMap.SimpleEntry<>(parseEventTime(eventTimeElement.getTextContent()), notificationElement);
+ } catch (NetconfDocumentedException e) {
+ throw new IllegalArgumentException("Notification payload does not contain " + EVENT_TIME + " " + message);
+ }
+ }
+
+ private static Date parseEventTime(final String eventTime) {
+ try {
+ return new SimpleDateFormat(NetconfNotification.RFC3339_DATE_FORMAT_BLUEPRINT).parse(eventTime);
+ } catch (ParseException e) {
+ throw new IllegalArgumentException("Unable to parse event time from " + eventTime, e);
}
}
@Override
- public NetconfMessage toRpcRequest(SchemaPath rpc, final ContainerNode payload) {
+ public NetconfMessage toRpcRequest(SchemaPath rpc, final NormalizedNode<?, ?> payload) {
// In case no input for rpc is defined, we can simply construct the payload here
final QName rpcQName = rpc.getLastComponent();
- Preconditions.checkNotNull(mappedRpcs.get(rpcQName), "Unknown rpc %s, available rpcs: %s", rpcQName, mappedRpcs.keySet());
- if(mappedRpcs.get(rpcQName).getInput() == null) {
- final Document document = XmlUtil.newDocument();
- final Element elementNS = document.createElementNS(rpcQName.getNamespace().toString(), rpcQName.getLocalName());
- document.appendChild(elementNS);
- return new NetconfMessage(document);
+ Map<QName, RpcDefinition> currentMappedRpcs = mappedRpcs;
+
+ // Determine whether a base netconf operation is being invoked and also check if the device exposed model for base netconf
+ // If no, use pre built base netconf operations model
+ final boolean needToUseBaseCtx = mappedRpcs.get(rpcQName) == null && isBaseRpc(rpcQName);
+ if(needToUseBaseCtx) {
+ currentMappedRpcs = MAPPED_BASE_RPCS;
}
+ Preconditions.checkNotNull(currentMappedRpcs.get(rpcQName), "Unknown rpc %s, available rpcs: %s", rpcQName, currentMappedRpcs.keySet());
+ if(currentMappedRpcs.get(rpcQName).getInput() == null) {
+ return new NetconfMessage(prepareDomResultForRpcRequest(rpcQName).getNode().getOwnerDocument());
+ }
+
+ Preconditions.checkNotNull(payload, "Transforming an rpc with input: %s, payload cannot be null", rpcQName);
+ Preconditions.checkArgument(payload instanceof ContainerNode,
+ "Transforming an rpc with input: %s, payload has to be a container, but was: %s", rpcQName, payload);
+
// Set the path to the input of rpc for the node stream writer
rpc = rpc.createChild(QName.cachedReference(QName.create(rpcQName, "input")));
final DOMResult result = prepareDomResultForRpcRequest(rpcQName);
try {
- writeNormalizedRpc(payload, result, rpc, schemaContext);
+ // If the schema context for netconf device does not contain model for base netconf operations, use default pre build context with just the base model
+ // This way operations like lock/unlock are supported even if the source for base model was not provided
+ writeNormalizedRpc(((ContainerNode) payload), result, rpc, needToUseBaseCtx ? BASE_NETCONF_CTX : schemaContext);
} catch (final XMLStreamException | IOException | IllegalStateException e) {
throw new IllegalStateException("Unable to serialize " + rpc, e);
}
final Document node = result.getNode().getOwnerDocument();
- node.getDocumentElement().setAttribute(NetconfMessageTransformUtil.MESSAGE_ID_ATTR, counter.getNewMessageId(MESSAGE_ID_PREFIX));
return new NetconfMessage(node);
}
+ private static boolean isBaseRpc(final QName rpc) {
+ return rpc.getNamespace().equals(NETCONF_URI);
+ }
+
private DOMResult prepareDomResultForRpcRequest(final QName rpcQName) {
final Document document = XmlUtil.newDocument();
final Element rpcNS = document.createElementNS(NETCONF_RPC_QNAME.getNamespace().toString(), NETCONF_RPC_QNAME.getLocalName());
+ // set msg id
+ rpcNS.setAttribute(NetconfMessageTransformUtil.MESSAGE_ID_ATTR, counter.getNewMessageId(MESSAGE_ID_PREFIX));
final Element elementNS = document.createElementNS(rpcQName.getNamespace().toString(), rpcQName.getLocalName());
rpcNS.appendChild(elementNS);
document.appendChild(rpcNS);
}
private void writeNormalizedRpc(final ContainerNode normalized, final DOMResult result, final SchemaPath schemaPath, final SchemaContext baseNetconfCtx) throws IOException, XMLStreamException {
- final NormalizedNodeWriter normalizedNodeWriter;
+ final OrderedNormalizedNodeWriter normalizedNodeWriter;
NormalizedNodeStreamWriter normalizedNodeStreamWriter = null;
XMLStreamWriter writer = null;
try {
writer = NetconfMessageTransformUtil.XML_FACTORY.createXMLStreamWriter(result);
normalizedNodeStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(writer, baseNetconfCtx, schemaPath);
- normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(normalizedNodeStreamWriter);
-
- for (final DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> editElement : normalized.getValue()) {
- normalizedNodeWriter.write(editElement);
- }
+ normalizedNodeWriter = new OrderedNormalizedNodeWriter(normalizedNodeStreamWriter, baseNetconfCtx, schemaPath);
+ Collection<DataContainerChild<?, ?>> value = (Collection) normalized.getValue();
+ normalizedNodeWriter.write(value);
normalizedNodeWriter.flush();
} finally {
try {
@Override
public synchronized DOMRpcResult toRpcResult(final NetconfMessage message, final SchemaPath rpc) {
final NormalizedNode<?, ?> normalizedNode;
- if (NetconfMessageTransformUtil.isDataRetrievalOperation(rpc.getLastComponent())) {
+ final QName rpcQName = rpc.getLastComponent();
+ if (NetconfMessageTransformUtil.isDataRetrievalOperation(rpcQName)) {
final Element xmlData = NetconfMessageTransformUtil.getDataSubtree(message.getDocument());
final ContainerSchemaNode schemaForDataRead = NetconfMessageTransformUtil.createSchemaForDataRead(schemaContext);
- final ContainerNode dataNode = NORMALIZED_NODE_PARSER_FACTORY.getContainerNodeParser().parse(Collections.singleton(xmlData), schemaForDataRead);
+ final ContainerNode dataNode = parserFactory.getContainerNodeParser().parse(Collections.singleton(xmlData), schemaForDataRead);
normalizedNode = Builders.containerBuilder().withNodeIdentifier(new YangInstanceIdentifier.NodeIdentifier(NetconfMessageTransformUtil.NETCONF_RPC_REPLY_QNAME))
.withChild(dataNode).build();
} else {
final Set<Element> documentElement = Collections.singleton(message.getDocument().getDocumentElement());
- final RpcDefinition rpcDefinition = mappedRpcs.get(rpc.getLastComponent());
- Preconditions.checkArgument(rpcDefinition != null, "Unable to parse response of %s, the rpc is unknown", rpc.getLastComponent());
+
+ Map<QName, RpcDefinition> currentMappedRpcs = mappedRpcs;
+
+ // Determine whether a base netconf operation is being invoked and also check if the device exposed model for base netconf
+ // If no, use pre built base netconf operations model
+ final boolean needToUseBaseCtx = mappedRpcs.get(rpcQName) == null && isBaseRpc(rpcQName);
+ if(needToUseBaseCtx) {
+ currentMappedRpcs = MAPPED_BASE_RPCS;
+ }
+
+ final RpcDefinition rpcDefinition = currentMappedRpcs.get(rpcQName);
+ Preconditions.checkArgument(rpcDefinition != null, "Unable to parse response of %s, the rpc is unknown", rpcQName);
// In case no input for rpc is defined, we can simply construct the payload here
if (rpcDefinition.getOutput() == null) {
"Unexpected content in response of rpc: %s, %s", rpcDefinition.getQName(), message);
normalizedNode = null;
} else {
- normalizedNode = NORMALIZED_NODE_PARSER_FACTORY.getContainerNodeParser().parse(documentElement, rpcDefinition.getOutput());
+ normalizedNode = parserFactory.getContainerNodeParser().parse(documentElement, rpcDefinition.getOutput());
}
}
return new DefaultDOMRpcResult(normalizedNode);
}
+ private static class NetconfDeviceNotification implements DOMNotification, DOMEvent {
+ private final ContainerNode content;
+ private final SchemaPath schemaPath;
+ private final Date eventTime;
+
+ NetconfDeviceNotification(final ContainerNode content, final Date eventTime) {
+ this.content = content;
+ this.eventTime = eventTime;
+ this.schemaPath = toPath(content.getNodeType());
+ }
+
+ @Nonnull
+ @Override
+ public SchemaPath getType() {
+ return schemaPath;
+
+ }
+
+ @Nonnull
+ @Override
+ public ContainerNode getBody() {
+ return content;
+ }
+
+ @Override
+ public Date getEventTime() {
+ return eventTime;
+ }
+ }
}