* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.netconf.mdsal.connector.ops;
-import com.google.common.base.Optional;
-import org.opendaylight.controller.config.util.xml.DocumentedException;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorSeverity;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorTag;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorType;
-import org.opendaylight.controller.config.util.xml.XmlElement;
-import org.opendaylight.controller.config.util.xml.XmlUtil;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
+import static org.opendaylight.netconf.api.xml.XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.Optional;
+import java.util.concurrent.ExecutionException;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import javax.xml.transform.dom.DOMResult;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
+import org.opendaylight.netconf.api.DocumentedException;
+import org.opendaylight.netconf.api.DocumentedException.ErrorSeverity;
+import org.opendaylight.netconf.api.DocumentedException.ErrorTag;
+import org.opendaylight.netconf.api.DocumentedException.ErrorType;
+import org.opendaylight.netconf.api.xml.XmlElement;
import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
+import org.opendaylight.netconf.api.xml.XmlUtil;
import org.opendaylight.netconf.mdsal.connector.CurrentSchemaContext;
import org.opendaylight.netconf.mdsal.connector.TransactionProvider;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+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.codec.xml.XMLStreamNormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
+import org.w3c.dom.Node;
public final class CopyConfig extends AbstractEdit {
private static final String OPERATION_NAME = "copy-config";
- private static final String CONFIG_KEY = "config";
private static final String SOURCE_KEY = "source";
+ private static final XMLOutputFactory XML_OUTPUT_FACTORY;
+
+ static {
+ XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
+ XML_OUTPUT_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
+ }
// Top-level "data" node without child nodes
private static final ContainerNode EMPTY_ROOT_NODE = Builders.containerBuilder()
@Override
protected Element handleWithNoSubsequentOperations(final Document document, final XmlElement operationElement)
- throws DocumentedException {
- final Datastore targetDatastore = extractTargetParameter(operationElement, OPERATION_NAME);
- if (targetDatastore == Datastore.running) {
+ throws DocumentedException {
+ final XmlElement targetElement = extractTargetElement(operationElement, OPERATION_NAME);
+ final String target = targetElement.getName();
+ if (Datastore.running.toString().equals(target)) {
throw new DocumentedException("edit-config on running datastore is not supported",
- ErrorType.PROTOCOL,
- ErrorTag.OPERATION_NOT_SUPPORTED,
- ErrorSeverity.ERROR);
+ ErrorType.PROTOCOL,
+ ErrorTag.OPERATION_NOT_SUPPORTED,
+ ErrorSeverity.ERROR);
+ } else if (Datastore.candidate.toString().equals(target)) {
+ copyToCandidate(operationElement);
+ } else if (URL_KEY.equals(target)) {
+ copyToUrl(targetElement, operationElement);
+ } else {
+ throw new DocumentedException("Unsupported target: " + target,
+ ErrorType.PROTOCOL,
+ ErrorTag.BAD_ELEMENT,
+ ErrorSeverity.ERROR);
}
- final XmlElement configElement = extractConfigParameter(operationElement);
+ return document.createElement(XmlNetconfConstants.OK);
+ }
+
+ private void copyToCandidate(final XmlElement operationElement)
+ throws DocumentedException {
+ final XmlElement source = getSourceElement(operationElement);
+ final List<XmlElement> configElements = getConfigElement(source).getChildElements();
// <copy-config>, unlike <edit-config>, always replaces entire configuration,
// so remove old configuration first:
- final DOMDataReadWriteTransaction rwTx = transactionProvider.getOrCreateTransaction();
- rwTx.put(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.EMPTY, EMPTY_ROOT_NODE);
+ final DOMDataTreeReadWriteTransaction rwTx = transactionProvider.getOrCreateTransaction();
+ rwTx.put(LogicalDatastoreType.CONFIGURATION, YangInstanceIdentifier.empty(), EMPTY_ROOT_NODE);
// Then create nodes present in the <config> element:
- for (final XmlElement element : configElement.getChildElements()) {
+ for (final XmlElement element : configElements) {
final String ns = element.getNamespace();
final DataSchemaNode schemaNode = getSchemaNodeFromNamespace(ns, element);
final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
// Doing merge instead of put to support top-level list:
rwTx.merge(LogicalDatastoreType.CONFIGURATION, path, data);
}
- return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.absent());
}
- private static XmlElement extractConfigParameter(final XmlElement operationElement) throws DocumentedException {
- final XmlElement source = getElement(operationElement, SOURCE_KEY);
- return getElement(source, CONFIG_KEY);
+ private static XmlElement getSourceElement(final XmlElement parent) throws DocumentedException {
+ final Optional<XmlElement> sourceElement = parent.getOnlyChildElementOptionally(SOURCE_KEY);
+ if (!sourceElement.isPresent()) {
+ throw new DocumentedException("<source> element is missing",
+ DocumentedException.ErrorType.PROTOCOL,
+ DocumentedException.ErrorTag.MISSING_ELEMENT,
+ DocumentedException.ErrorSeverity.ERROR);
+ }
+
+ return sourceElement.get();
+ }
+
+ private void copyToUrl(final XmlElement urlElement, final XmlElement operationElement) throws DocumentedException {
+ final String url = urlElement.getTextContent();
+ if (!url.startsWith("file:")) {
+ throw new DocumentedException("Unsupported <url> protocol: " + url,
+ ErrorType.PROTOCOL,
+ ErrorTag.OPERATION_NOT_SUPPORTED,
+ ErrorSeverity.ERROR);
+ }
+
+ // Read data from datastore:
+ final XmlElement source = getSourceElement(operationElement).getOnlyChildElement();
+ final ContainerNode data = readData(source);
+
+ // Transform NN to XML:
+ final Document document = operationElement.getDomElement().getOwnerDocument();
+ final Node node = transformNormalizedNode(document, data);
+
+ // Save XML to file:
+ final String xml = XmlUtil.toString((Element) node);
+ try {
+ final Path file = Paths.get(new URI(url));
+ Files.write(file, xml.getBytes(StandardCharsets.UTF_8));
+ } catch (URISyntaxException | IllegalArgumentException e) {
+ throw new DocumentedException("Invalid URI: " + url, e,
+ ErrorType.RPC,
+ ErrorTag.INVALID_VALUE,
+ ErrorSeverity.ERROR);
+ } catch (IOException e) {
+ throw new DocumentedException("Failed to write : " + url, e,
+ ErrorType.APPLICATION,
+ ErrorTag.OPERATION_FAILED,
+ ErrorSeverity.ERROR);
+ }
+ }
+
+ private ContainerNode readData(final XmlElement source) throws DocumentedException {
+ final Datastore sourceDatastore = getDatastore(source);
+ final DOMDataTreeReadWriteTransaction rwTx = getTransaction(sourceDatastore);
+ final YangInstanceIdentifier dataRoot = YangInstanceIdentifier.empty();
+ try {
+ final Optional<NormalizedNode<?, ?>> normalizedNodeOptional = rwTx.read(
+ LogicalDatastoreType.CONFIGURATION, dataRoot).get();
+ if (sourceDatastore == Datastore.running) {
+ transactionProvider.abortRunningTransaction(rwTx);
+ }
+ return (ContainerNode) normalizedNodeOptional.get();
+ } catch (InterruptedException | ExecutionException e) {
+ throw new IllegalStateException("Unable to read data " + dataRoot, e);
+ }
+ }
+
+ private static Datastore getDatastore(final XmlElement source) throws DocumentedException {
+ try {
+ return Datastore.valueOf(source.getName());
+ } catch (IllegalArgumentException e) {
+ throw new DocumentedException("Unsupported source for <url> target", e,
+ ErrorType.PROTOCOL,
+ ErrorTag.OPERATION_NOT_SUPPORTED,
+ ErrorSeverity.ERROR);
+ }
+ }
+
+ private DOMDataTreeReadWriteTransaction getTransaction(final Datastore datastore) throws DocumentedException {
+ if (datastore == Datastore.candidate) {
+ return transactionProvider.getOrCreateTransaction();
+ } else if (datastore == Datastore.running) {
+ return transactionProvider.createRunningTransaction();
+ }
+ throw new DocumentedException("Incorrect Datastore: ", ErrorType.PROTOCOL, ErrorTag.BAD_ELEMENT,
+ ErrorSeverity.ERROR);
+ }
+
+ private Node transformNormalizedNode(final Document document, final ContainerNode data) {
+ final Element configElement = document.createElementNS(URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0, CONFIG_KEY);
+ final DOMResult result = new DOMResult(configElement);
+ try {
+ final XMLStreamWriter xmlWriter = XML_OUTPUT_FACTORY.createXMLStreamWriter(result);
+ final NormalizedNodeStreamWriter nnStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(xmlWriter,
+ schemaContext.getCurrentContext(), SchemaPath.ROOT);
+
+ final NormalizedNodeWriter nnWriter = NormalizedNodeWriter.forStreamWriter(nnStreamWriter, true);
+ for (DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> child : data.getValue()) {
+ nnWriter.write(child);
+ }
+ nnWriter.flush();
+ xmlWriter.flush();
+ } catch (XMLStreamException | IOException e) {
+ throw new RuntimeException(e);
+ }
+ return result.getNode();
}
@Override
Code Review / netconf.git / blobdiff