package org.opendaylight.netconf.sal.connect.netconf;
import static javax.xml.bind.DatatypeConverter.printBase64Binary;
+import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_DATA_QNAME;
+import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.NETCONF_GET_QNAME;
+import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.toId;
+import static org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil.toPath;
-import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Maps;
import com.google.gson.stream.JsonReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
+import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
import java.util.AbstractMap;
import java.util.Collections;
+import java.util.Locale;
import java.util.Map;
-import org.opendaylight.controller.config.util.xml.XmlUtil;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.ModulesState;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.Module;
-import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.ExecutionException;
+import java.util.regex.Pattern;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.transform.dom.DOMSource;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.mdsal.binding.generator.impl.ModuleInfoBackedContext;
+import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemas;
+import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceRpc;
+import org.opendaylight.netconf.sal.connect.netconf.util.NetconfMessageTransformUtil;
+import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module;
+import org.opendaylight.yangtools.util.xml.UntrustedXML;
import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.Revision;
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.codec.gson.JsonParserStream;
-import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlUtils;
+import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
+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.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
-import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.repo.api.RevisionSourceIdentifier;
import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
import org.xml.sax.SAXException;
/**
* Holds URLs with YANG schema resources for all yang modules reported in
- * ietf-netconf-yang-library/modules-state/modules node
+ * ietf-netconf-yang-library/modules-state/modules node.
*/
-public class LibraryModulesSchemas {
+public final class LibraryModulesSchemas implements NetconfDeviceSchemas {
private static final Logger LOG = LoggerFactory.getLogger(LibraryModulesSchemas.class);
+ private static final Pattern DATE_PATTERN = Pattern.compile("(\\d{4}-\\d{2}-\\d{2})");
+ private static final SchemaContext LIBRARY_CONTEXT;
- private static SchemaContext libraryContext;
+ static {
+ final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
+ moduleInfoBackedContext.registerModuleInfo(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang
+ .library.rev160621.$YangModuleInfoImpl.getInstance());
+ LIBRARY_CONTEXT = moduleInfoBackedContext.tryToCreateSchemaContext().get();
+ }
+
+ private final Map<QName, URL> availableModels;
+
+ private static final YangInstanceIdentifier MODULES_STATE_MODULE_LIST =
+ YangInstanceIdentifier.builder().node(ModulesState.QNAME).node(Module.QNAME).build();
- private final Map<SourceIdentifier, URL> availableModels;
+ private static final ContainerNode GET_MODULES_STATE_MODULE_LIST_RPC;
static {
- final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
- moduleInfoBackedContext.registerModuleInfo(
- org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.
- $YangModuleInfoImpl.getInstance());
- libraryContext = moduleInfoBackedContext.tryToCreateSchemaContext().get();
+ final DataContainerChild<?, ?> filter =
+ NetconfMessageTransformUtil.toFilterStructure(MODULES_STATE_MODULE_LIST, LIBRARY_CONTEXT);
+ GET_MODULES_STATE_MODULE_LIST_RPC =
+ Builders.containerBuilder().withNodeIdentifier(toId(NETCONF_GET_QNAME)).withChild(filter).build();
}
- private LibraryModulesSchemas(final Map<SourceIdentifier, URL> availableModels) {
+ private LibraryModulesSchemas(final Map<QName, URL> availableModels) {
this.availableModels = availableModels;
}
public Map<SourceIdentifier, URL> getAvailableModels() {
- return availableModels;
+ final Map<SourceIdentifier, URL> result = Maps.newHashMap();
+ for (final Map.Entry<QName, URL> entry : availableModels.entrySet()) {
+ final SourceIdentifier sId = RevisionSourceIdentifier
+ .create(entry.getKey().getLocalName(), entry.getKey().getRevision());
+ result.put(sId, entry.getValue());
+ }
+
+ return result;
}
/**
* Resolves URLs with YANG schema resources from modules-state. Uses basic http authenticaiton
+ *
* @param url URL pointing to yang library
* @return Resolved URLs with YANG schema resources for all yang modules from yang library
*/
final URL urlConnection = new URL(url);
final URLConnection connection = urlConnection.openConnection();
- if(connection instanceof HttpURLConnection) {
+ if (connection instanceof HttpURLConnection) {
connection.setRequestProperty("Accept", "application/xml");
- String userpass = username + ":" + password;
- String basicAuth = "Basic " + printBase64Binary(userpass.getBytes());
+ final String userpass = username + ":" + password;
+ final String basicAuth = "Basic " + printBase64Binary(userpass.getBytes(StandardCharsets.UTF_8));
connection.setRequestProperty("Authorization", basicAuth);
}
return createFromURLConnection(connection);
- } catch (IOException e) {
+ } catch (final IOException e) {
LOG.warn("Unable to download yang library from {}", url, e);
- return new LibraryModulesSchemas(Collections.<SourceIdentifier, URL>emptyMap());
+ return new LibraryModulesSchemas(Collections.emptyMap());
+ }
+ }
+
+
+ public static LibraryModulesSchemas create(final NetconfDeviceRpc deviceRpc, final RemoteDeviceId deviceId) {
+ final DOMRpcResult moduleListNodeResult;
+ try {
+ moduleListNodeResult =
+ deviceRpc.invokeRpc(toPath(NETCONF_GET_QNAME), GET_MODULES_STATE_MODULE_LIST_RPC).get();
+ } catch (final InterruptedException e) {
+ Thread.currentThread().interrupt();
+ throw new RuntimeException(deviceId + ": Interrupted while waiting for response to "
+ + MODULES_STATE_MODULE_LIST, e);
+ } catch (final ExecutionException e) {
+ LOG.warn("{}: Unable to detect available schemas, get to {} failed", deviceId,
+ MODULES_STATE_MODULE_LIST, e);
+ return new LibraryModulesSchemas(Collections.emptyMap());
+ }
+
+ if (moduleListNodeResult.getErrors().isEmpty() == false) {
+ LOG.warn("{}: Unable to detect available schemas, get to {} failed, {}",
+ deviceId, MODULES_STATE_MODULE_LIST, moduleListNodeResult.getErrors());
+ return new LibraryModulesSchemas(Collections.emptyMap());
+ }
+
+
+ final Optional<? extends NormalizedNode<?, ?>> modulesStateNode =
+ findModulesStateNode(moduleListNodeResult.getResult());
+ if (modulesStateNode.isPresent()) {
+ Preconditions.checkState(modulesStateNode.get() instanceof ContainerNode,
+ "Expecting container containing schemas, but was %s", modulesStateNode.get());
+ return create((ContainerNode) modulesStateNode.get());
}
+
+ LOG.warn("{}: Unable to detect available schemas, get to {} was empty", deviceId, toId(ModulesState.QNAME));
+ return new LibraryModulesSchemas(Collections.emptyMap());
}
+ private static LibraryModulesSchemas create(final ContainerNode modulesStateNode) {
+ final YangInstanceIdentifier.NodeIdentifier moduleListNodeId =
+ new YangInstanceIdentifier.NodeIdentifier(Module.QNAME);
+ final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> moduleListNode =
+ modulesStateNode.getChild(moduleListNodeId);
+ Preconditions.checkState(moduleListNode.isPresent(),
+ "Unable to find list: %s in %s", moduleListNodeId, modulesStateNode);
+ Preconditions.checkState(moduleListNode.get() instanceof MapNode,
+ "Unexpected structure for container: %s in : %s. Expecting a list",
+ moduleListNodeId, modulesStateNode);
+
+ final ImmutableMap.Builder<QName, URL> schemasMapping = new ImmutableMap.Builder<>();
+ for (final MapEntryNode moduleNode : ((MapNode) moduleListNode.get()).getValue()) {
+ final Optional<Map.Entry<QName, URL>> schemaMappingEntry = createFromEntry(moduleNode);
+ if (schemaMappingEntry.isPresent()) {
+ schemasMapping.put(createFromEntry(moduleNode).get());
+ }
+ }
+
+ return new LibraryModulesSchemas(schemasMapping.build());
+ }
+
+ /**
+ * Resolves URLs with YANG schema resources from modules-state.
+ * @param url URL pointing to yang library
+ * @return Resolved URLs with YANG schema resources for all yang modules from yang library
+ */
+ public static LibraryModulesSchemas create(final String url) {
+ Preconditions.checkNotNull(url);
+ try {
+ final URL urlConnection = new URL(url);
+ final URLConnection connection = urlConnection.openConnection();
- private static LibraryModulesSchemas createFromURLConnection(URLConnection connection) {
+ if (connection instanceof HttpURLConnection) {
+ connection.setRequestProperty("Accept", "application/xml");
+ }
+
+ return createFromURLConnection(connection);
+
+ } catch (final IOException e) {
+ LOG.warn("Unable to download yang library from {}", url, e);
+ return new LibraryModulesSchemas(Collections.emptyMap());
+ }
+ }
+
+ private static Optional<? extends NormalizedNode<?, ?>> findModulesStateNode(final NormalizedNode<?, ?> result) {
+ if (result == null) {
+ return Optional.empty();
+ }
+ final Optional<DataContainerChild<?, ?>> dataNode =
+ ((DataContainerNode<?>) result).getChild(toId(NETCONF_DATA_QNAME));
+ if (dataNode.isPresent() == false) {
+ return Optional.empty();
+ }
+
+ return ((DataContainerNode<?>) dataNode.get()).getChild(toId(ModulesState.QNAME));
+ }
+
+ private static LibraryModulesSchemas createFromURLConnection(final URLConnection connection) {
String contentType = connection.getContentType();
Preconditions.checkNotNull(contentType, "Content type unknown");
Preconditions.checkState(contentType.equals("application/json") || contentType.equals("application/xml"),
"Only XML and JSON types are supported.");
- try (final InputStream in = connection.getInputStream()) {
+ try (InputStream in = connection.getInputStream()) {
final Optional<NormalizedNode<?, ?>> optionalModulesStateNode =
contentType.equals("application/json") ? readJson(in) : readXml(in);
if (!optionalModulesStateNode.isPresent()) {
- return new LibraryModulesSchemas(Collections.<SourceIdentifier, URL>emptyMap());
+ return new LibraryModulesSchemas(Collections.emptyMap());
}
final NormalizedNode<?, ?> modulesStateNode = optionalModulesStateNode.get();
"Unexpected structure for container: %s in : %s. Expecting a list",
moduleListNodeId, modulesStateNode);
- final ImmutableMap.Builder<SourceIdentifier, URL> schemasMapping = new ImmutableMap.Builder<>();
+ final ImmutableMap.Builder<QName, URL> schemasMapping = new ImmutableMap.Builder<>();
for (final MapEntryNode moduleNode : ((MapNode) moduleListNode.get()).getValue()) {
- final Optional<Map.Entry<SourceIdentifier, URL>> schemaMappingEntry = createFromEntry(moduleNode);
+ final Optional<Map.Entry<QName, URL>> schemaMappingEntry = createFromEntry(moduleNode);
if (schemaMappingEntry.isPresent()) {
schemasMapping.put(createFromEntry(moduleNode).get());
}
}
return new LibraryModulesSchemas(schemasMapping.build());
- } catch (IOException e) {
+ } catch (final IOException e) {
LOG.warn("Unable to download yang library from {}", connection.getURL(), e);
- return new LibraryModulesSchemas(Collections.<SourceIdentifier, URL>emptyMap());
- }
- }
-
- /**
- * Resolves URLs with YANG schema resources from modules-state
- * @param url URL pointing to yang library
- * @return Resolved URLs with YANG schema resources for all yang modules from yang library
- */
- public static LibraryModulesSchemas create(final String url) {
- Preconditions.checkNotNull(url);
- try {
- final URL urlConnection = new URL(url);
- final URLConnection connection = urlConnection.openConnection();
-
- if(connection instanceof HttpURLConnection) {
- connection.setRequestProperty("Accept", "application/xml");
- }
-
- return createFromURLConnection(connection);
-
- } catch (IOException e) {
- LOG.warn("Unable to download yang library from {}", url, e);
- return new LibraryModulesSchemas(Collections.<SourceIdentifier, URL>emptyMap());
+ return new LibraryModulesSchemas(Collections.emptyMap());
}
}
private static boolean guessJsonFromFileName(final String fileName) {
String extension = "";
final int i = fileName.lastIndexOf(46);
- if(i != -1) {
- extension = fileName.substring(i).toLowerCase();
+ if (i != -1) {
+ extension = fileName.substring(i).toLowerCase(Locale.ROOT);
}
return extension.equals(".json");
final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
- final JsonParserStream jsonParser = JsonParserStream.create(writer, libraryContext);
- final JsonReader reader = new JsonReader(new InputStreamReader(in));
+ final JsonParserStream jsonParser = JsonParserStream.create(writer, LIBRARY_CONTEXT);
+ final JsonReader reader = new JsonReader(new InputStreamReader(in, Charset.defaultCharset()));
jsonParser.parse(reader);
- return resultHolder.isFinished() ?
- Optional.of(resultHolder.getResult()) :
- Optional.<NormalizedNode<?, ?>>absent();
+ return resultHolder.isFinished() ? Optional.of(resultHolder.getResult()) : Optional.empty();
}
private static Optional<NormalizedNode<?, ?>> readXml(final InputStream in) {
- final DomToNormalizedNodeParserFactory parserFactory =
- DomToNormalizedNodeParserFactory.getInstance(XmlUtils.DEFAULT_XML_CODEC_PROVIDER, libraryContext);
-
try {
- final NormalizedNode<?, ?> parsed =
- parserFactory.getContainerNodeParser().parse(Collections.singleton(XmlUtil.readXmlToElement(in)),
- (ContainerSchemaNode) libraryContext.getDataChildByName(ModulesState.QNAME));
+ final DocumentBuilder docBuilder = UntrustedXML.newDocumentBuilder();
+
+ final Document read = docBuilder.parse(in);
+ final Document doc = docBuilder.newDocument();
+ final Element rootElement = doc.createElementNS("urn:ietf:params:xml:ns:yang:ietf-yang-library",
+ "modules");
+ doc.appendChild(rootElement);
+
+ for (int i = 0; i < read.getElementsByTagName("revision").getLength(); i++) {
+ final String revision = read.getElementsByTagName("revision").item(i).getTextContent();
+ if (DATE_PATTERN.matcher(revision).find() || revision.isEmpty()) {
+ final Node module = doc.importNode(read.getElementsByTagName("module").item(i), true);
+ rootElement.appendChild(module);
+ } else {
+ LOG.warn("Xml contains wrong revision - {} - on module {}", revision,
+ read.getElementsByTagName("module").item(i).getTextContent());
+ }
+ }
+
+ final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
+ final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
+ final XmlParserStream xmlParser = XmlParserStream.create(writer, LIBRARY_CONTEXT,
+ LIBRARY_CONTEXT.getDataChildByName(ModulesState.QNAME));
+ xmlParser.traverse(new DOMSource(doc.getDocumentElement()));
+ final NormalizedNode<?, ?> parsed = resultHolder.getResult();
return Optional.of(parsed);
- } catch (IOException|SAXException e) {
+ } catch (XMLStreamException | URISyntaxException | IOException | ParserConfigurationException
+ | SAXException e) {
LOG.warn("Unable to parse yang library xml content", e);
}
- return Optional.<NormalizedNode<?, ?>>absent();
+ return Optional.empty();
}
- private static Optional<Map.Entry<SourceIdentifier, URL>> createFromEntry(final MapEntryNode moduleNode) {
+ private static Optional<Map.Entry<QName, URL>> createFromEntry(final MapEntryNode moduleNode) {
Preconditions.checkArgument(
moduleNode.getNodeType().equals(Module.QNAME), "Wrong QName %s", moduleNode.getNodeType());
childNodeId = new YangInstanceIdentifier.NodeIdentifier(QName.create(Module.QNAME, "revision"));
final Optional<String> revision = getSingleChildNodeValue(moduleNode, childNodeId);
- if(revision.isPresent()) {
- if(!SourceIdentifier.REVISION_PATTERN.matcher(revision.get()).matches()) {
+ if (revision.isPresent()) {
+ if (!Revision.STRING_FORMAT_PATTERN.matcher(revision.get()).matches()) {
LOG.warn("Skipping library schema for {}. Revision {} is in wrong format.", moduleNode, revision.get());
- return Optional.<Map.Entry<SourceIdentifier, URL>>absent();
+ return Optional.empty();
}
}
childNodeId = new YangInstanceIdentifier.NodeIdentifier(QName.create(Module.QNAME, "schema"));
final Optional<String> schemaUriAsString = getSingleChildNodeValue(moduleNode, childNodeId);
+ childNodeId = new YangInstanceIdentifier.NodeIdentifier(QName.create(Module.QNAME, "namespace"));
+ final String moduleNameSpace = getSingleChildNodeValue(moduleNode, childNodeId).get();
- final SourceIdentifier sourceId = revision.isPresent()
- ? new SourceIdentifier(moduleName, revision.get())
- : new SourceIdentifier(moduleName);
+ final QName moduleQName = revision.isPresent()
+ ? QName.create(moduleNameSpace, revision.get(), moduleName)
+ : QName.create(URI.create(moduleNameSpace), moduleName);
try {
- return Optional.<Map.Entry<SourceIdentifier, URL>>of(new AbstractMap.SimpleImmutableEntry<>(
- sourceId, new URL(schemaUriAsString.get())));
- } catch (MalformedURLException e) {
+ return Optional.of(new AbstractMap.SimpleImmutableEntry<>(
+ moduleQName, new URL(schemaUriAsString.get())));
+ } catch (final MalformedURLException e) {
LOG.warn("Skipping library schema for {}. URL {} representing yang schema resource is not valid",
moduleNode, schemaUriAsString.get());
- return Optional.<Map.Entry<SourceIdentifier, URL>>absent();
+ return Optional.empty();
}
}
private static Optional<String> getValueOfSimpleNode(
final NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?> node) {
- final Object value = node.getValue();
- return value == null || Strings.isNullOrEmpty(value.toString())
- ? Optional.<String>absent() : Optional.of(value.toString().trim());
+ final String valueStr = node.getValue().toString();
+ return Strings.isNullOrEmpty(valueStr) ? Optional.empty() : Optional.of(valueStr.trim());
}
+ @Override
+ public Set<QName> getAvailableYangSchemasQNames() {
+ return null;
+ }
}