import java.util.Set;
import java.util.concurrent.ExecutionException;
import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
+import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.netconf.sal.connect.api.NetconfDeviceSchemas;
import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
-import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceRpc;
-import org.opendaylight.netconf.sal.connect.netconf.schema.mapping.NetconfMessageTransformer;
+import org.opendaylight.netconf.sal.connect.netconf.schema.mapping.BaseSchema;
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.netconf.monitoring.rev101004.NetconfState;
import org.slf4j.LoggerFactory;
/**
- * Holds QNames for all yang modules reported by ietf-netconf-monitoring/state/schemas
+ * Holds QNames for all yang modules reported by ietf-netconf-monitoring/state/schemas.
*/
-public final class NetconfStateSchemas {
+public final class NetconfStateSchemas implements NetconfDeviceSchemas {
private static final Logger LOG = LoggerFactory.getLogger(NetconfStateSchemas.class);
- /**
- * Factory for NetconfStateSchemas
- */
- public interface NetconfStateSchemasResolver {
- NetconfStateSchemas resolve(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id);
- }
-
- /**
- * Default implementation resolving schemas QNames from netconf-state
- */
- public static final class NetconfStateSchemasResolverImpl implements NetconfStateSchemasResolver {
-
- @Override
- public NetconfStateSchemas resolve(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id) {
- return NetconfStateSchemas.create(deviceRpc, remoteSessionCapabilities, id);
- }
- }
-
public static final NetconfStateSchemas EMPTY = new NetconfStateSchemas(Collections.<RemoteYangSchema>emptySet());
private static final YangInstanceIdentifier STATE_SCHEMAS_IDENTIFIER =
YangInstanceIdentifier.builder().node(NetconfState.QNAME).node(Schemas.QNAME).build();
private static final ContainerNode GET_SCHEMAS_RPC;
+
static {
final DataContainerChild<?, ?> filter = NetconfMessageTransformUtil.toFilterStructure(STATE_SCHEMAS_IDENTIFIER,
- NetconfMessageTransformer.BaseSchema.BASE_NETCONF_CTX_WITH_NOTIFICATIONS.getSchemaContext());
+ BaseSchema.BASE_NETCONF_CTX_WITH_NOTIFICATIONS.getSchemaContext());
GET_SCHEMAS_RPC
= Builders.containerBuilder().withNodeIdentifier(toId(NETCONF_GET_QNAME)).withChild(filter).build();
}
return availableYangSchemas;
}
+ @Override
public Set<QName> getAvailableYangSchemasQNames() {
- return Sets.newHashSet(Collections2.transform(getAvailableYangSchemas(), new Function<RemoteYangSchema, QName>() {
- @Override
- public QName apply(final RemoteYangSchema input) {
- return input.getQName();
- }
- }));
+ return Sets.newHashSet(Collections2.transform(getAvailableYangSchemas(),
+ new Function<RemoteYangSchema, QName>() {
+ @Override
+ public QName apply(final RemoteYangSchema input) {
+ return input.getQName();
+ }
+ }));
}
/**
- * Issue get request to remote device and parse response to find all schemas under netconf-state/schemas
+ * Issue get request to remote device and parse response to find all schemas under netconf-state/schemas.
*/
- private static NetconfStateSchemas create(final NetconfDeviceRpc deviceRpc, final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id) {
- if(remoteSessionCapabilities.isMonitoringSupported() == false) {
+ static NetconfStateSchemas create(final DOMRpcService deviceRpc,
+ final NetconfSessionPreferences remoteSessionCapabilities, final RemoteDeviceId id) {
+ if (remoteSessionCapabilities.isMonitoringSupported() == false) {
// TODO - need to search for get-schema support, not just ietf-netconf-monitoring support
// issue might be a deviation to ietf-netconf-monitoring where get-schema is unsupported...
LOG.warn("{}: Netconf monitoring not supported on device, cannot detect provided schemas", id);
schemasNodeResult = deviceRpc.invokeRpc(toPath(NETCONF_GET_QNAME), GET_SCHEMAS_RPC).get();
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
- throw new RuntimeException(id + ": Interrupted while waiting for response to " + STATE_SCHEMAS_IDENTIFIER, e);
+ throw new RuntimeException(id
+ + ": Interrupted while waiting for response to " + STATE_SCHEMAS_IDENTIFIER, e);
} catch (final ExecutionException e) {
LOG.warn("{}: Unable to detect available schemas, get to {} failed", id, STATE_SCHEMAS_IDENTIFIER, e);
return EMPTY;
}
- if(schemasNodeResult.getErrors().isEmpty() == false) {
- LOG.warn("{}: Unable to detect available schemas, get to {} failed, {}", id, STATE_SCHEMAS_IDENTIFIER, schemasNodeResult.getErrors());
+ if (schemasNodeResult.getErrors().isEmpty() == false) {
+ LOG.warn("{}: Unable to detect available schemas, get to {} failed, {}",
+ id, STATE_SCHEMAS_IDENTIFIER, schemasNodeResult.getErrors());
return EMPTY;
}
final Optional<? extends NormalizedNode<?, ?>> schemasNode = findSchemasNode(schemasNodeResult.getResult());
- if(schemasNode.isPresent()) {
+ if (schemasNode.isPresent()) {
Preconditions.checkState(schemasNode.get() instanceof ContainerNode,
"Expecting container containing schemas, but was %s", schemasNode.get());
- return create(id, ((ContainerNode) schemasNode.get()));
+ return create(id, (ContainerNode) schemasNode.get());
} else {
LOG.warn("{}: Unable to detect available schemas, get to {} was empty", id, STATE_SCHEMAS_IDENTIFIER);
return EMPTY;
}
}
- private static Optional<? extends NormalizedNode<?, ?>> findSchemasNode(final NormalizedNode<?, ?> result) {
- if(result == null) {
- return Optional.absent();
- }
- final Optional<DataContainerChild<?, ?>> dataNode = ((DataContainerNode<?>) result).getChild(toId(NETCONF_DATA_QNAME));
- if(dataNode.isPresent() == false) {
- return Optional.absent();
- }
-
- final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> nStateNode =
- ((DataContainerNode<?>) dataNode.get()).getChild(toId(NetconfState.QNAME));
- if(nStateNode.isPresent() == false) {
- return Optional.absent();
- }
-
- return ((DataContainerNode<?>) nStateNode.get()).getChild(toId(Schemas.QNAME));
- }
-
/**
- * Parse response of get(netconf-state/schemas) to find all schemas under netconf-state/schemas
+ * Parse response of get(netconf-state/schemas) to find all schemas under netconf-state/schemas.
*/
@VisibleForTesting
protected static NetconfStateSchemas create(final RemoteDeviceId id, final ContainerNode schemasNode) {
final Set<RemoteYangSchema> availableYangSchemas = Sets.newHashSet();
- final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> child = schemasNode.getChild(toId(Schema.QNAME));
- Preconditions.checkState(child.isPresent(), "Unable to find list: %s in response: %s", Schema.QNAME.withoutRevision(), schemasNode);
- Preconditions.checkState(child.get() instanceof MapNode, "Unexpected structure for container: %s in response: %s. Expecting a list", Schema.QNAME.withoutRevision(), schemasNode);
+ final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> child =
+ schemasNode.getChild(toId(Schema.QNAME));
+ Preconditions.checkState(child.isPresent(),
+ "Unable to find list: %s in response: %s", Schema.QNAME.withoutRevision(), schemasNode);
+ Preconditions.checkState(child.get() instanceof MapNode,
+ "Unexpected structure for container: %s in response: %s. Expecting a list",
+ Schema.QNAME.withoutRevision(), schemasNode);
for (final MapEntryNode schemaNode : ((MapNode) child.get()).getValue()) {
- final Optional<RemoteYangSchema> fromCompositeNode = RemoteYangSchema.createFromNormalizedNode(id, schemaNode);
- if(fromCompositeNode.isPresent()) {
+ final Optional<RemoteYangSchema> fromCompositeNode =
+ RemoteYangSchema.createFromNormalizedNode(id, schemaNode);
+ if (fromCompositeNode.isPresent()) {
availableYangSchemas.add(fromCompositeNode.get());
}
}
return new NetconfStateSchemas(availableYangSchemas);
}
- public final static class RemoteYangSchema {
+ private static Optional<? extends NormalizedNode<?, ?>> findSchemasNode(final NormalizedNode<?, ?> result) {
+ if (result == null) {
+ return Optional.absent();
+ }
+ final Optional<DataContainerChild<?, ?>> dataNode =
+ ((DataContainerNode<?>) result).getChild(toId(NETCONF_DATA_QNAME));
+ if (dataNode.isPresent() == false) {
+ return Optional.absent();
+ }
+
+ final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> nStateNode =
+ ((DataContainerNode<?>) dataNode.get()).getChild(toId(NetconfState.QNAME));
+ if (nStateNode.isPresent() == false) {
+ return Optional.absent();
+ }
+
+ return ((DataContainerNode<?>) nStateNode.get()).getChild(toId(Schemas.QNAME));
+ }
+
+ public static final class RemoteYangSchema {
private final QName qname;
RemoteYangSchema(final QName qname) {
return qname;
}
- static Optional<RemoteYangSchema> createFromNormalizedNode(final RemoteDeviceId id, final MapEntryNode schemaNode) {
- Preconditions.checkArgument(schemaNode.getNodeType().equals(Schema.QNAME), "Wrong QName %s", schemaNode.getNodeType());
+ static Optional<RemoteYangSchema> createFromNormalizedNode(final RemoteDeviceId id,
+ final MapEntryNode schemaNode) {
+ Preconditions.checkArgument(
+ schemaNode.getNodeType().equals(Schema.QNAME), "Wrong QName %s", schemaNode.getNodeType());
QName childNode = NetconfMessageTransformUtil.IETF_NETCONF_MONITORING_SCHEMA_FORMAT;
- String formatAsString = getSingleChildNodeValue(schemaNode, childNode).get();
+ final String formatAsString = getSingleChildNodeValue(schemaNode, childNode).get();
- if(formatAsString.equals(Yang.QNAME.toString()) == false) {
+ if (formatAsString.equals(Yang.QNAME.toString()) == false) {
LOG.debug("{}: Ignoring schema due to unsupported format: {}", id, formatAsString);
return Optional.absent();
}
childNode = NetconfMessageTransformUtil.IETF_NETCONF_MONITORING_SCHEMA_LOCATION;
final Set<String> locationsAsString = getAllChildNodeValues(schemaNode, childNode);
- if(locationsAsString.contains(Schema.Location.Enumeration.NETCONF.toString()) == false) {
+ if (locationsAsString.contains(Schema.Location.Enumeration.NETCONF.toString()) == false) {
LOG.debug("{}: Ignoring schema due to unsupported location: {}", id, locationsAsString);
return Optional.absent();
}
childNode = NetconfMessageTransformUtil.IETF_NETCONF_MONITORING_SCHEMA_NAMESPACE;
- final String namespaceAsString = getSingleChildNodeValue(schemaNode, childNode).get();
+ final Optional<String> namespaceValue = getSingleChildNodeValue(schemaNode, childNode);
+ if (!namespaceValue.isPresent()) {
+ LOG.warn("{}: Ignoring schema due to missing namespace", id);
+ return Optional.absent();
+ }
+ final String namespaceAsString = namespaceValue.get();
childNode = NetconfMessageTransformUtil.IETF_NETCONF_MONITORING_SCHEMA_VERSION;
// Revision does not have to be filled
}
/**
- * Extracts all values of a leaf-list node as a set of strings
+ * Extracts all values of a leaf-list node as a set of strings.
*/
- private static Set<String> getAllChildNodeValues(final DataContainerNode<?> schemaNode, final QName childNodeQName) {
+ private static Set<String> getAllChildNodeValues(final DataContainerNode<?> schemaNode,
+ final QName childNodeQName) {
final Set<String> extractedValues = Sets.newHashSet();
- final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> child = schemaNode.getChild(toId(childNodeQName));
+ final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> child =
+ schemaNode.getChild(toId(childNodeQName));
Preconditions.checkArgument(child.isPresent(), "Child nodes %s not present", childNodeQName);
- Preconditions.checkArgument(child.get() instanceof LeafSetNode<?>, "Child nodes %s not present", childNodeQName);
+ Preconditions.checkArgument(child.get() instanceof LeafSetNode<?>,
+ "Child nodes %s not present", childNodeQName);
for (final LeafSetEntryNode<?> childNode : ((LeafSetNode<?>) child.get()).getValue()) {
extractedValues.add(getValueOfSimpleNode(childNode).get());
}
return extractedValues;
}
- private static Optional<String> getSingleChildNodeValue(final DataContainerNode<?> schemaNode, final QName childNode) {
- final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> node = schemaNode.getChild(toId(childNode));
- Preconditions.checkArgument(node.isPresent(), "Child node %s not present", childNode);
- return getValueOfSimpleNode(node.get());
+ private static Optional<String> getSingleChildNodeValue(final DataContainerNode<?> schemaNode,
+ final QName childNode) {
+ final Optional<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> node =
+ schemaNode.getChild(toId(childNode));
+ if (node.isPresent()) {
+ return getValueOfSimpleNode(node.get());
+ } else {
+ LOG.debug("Child node {} not present", childNode);
+ return Optional.absent();
+ }
}
- private static Optional<String> getValueOfSimpleNode(final NormalizedNode<? extends YangInstanceIdentifier.PathArgument, ?> node) {
+ 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());
+ return value == null || Strings.isNullOrEmpty(value.toString())
+ ? Optional.<String>absent() : Optional.of(value.toString().trim());
}
@Override
- public boolean equals(final Object o) {
- if (this == o) {
+ public boolean equals(final Object obj) {
+ if (this == obj) {
return true;
}
- if (o == null || getClass() != o.getClass()) {
+ if (obj == null || getClass() != obj.getClass()) {
return false;
}
- final RemoteYangSchema that = (RemoteYangSchema) o;
+ final RemoteYangSchema that = (RemoteYangSchema) obj;
if (!qname.equals(that.qname)) {
return false;