2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.netconf.confignetconfconnector.operations.runtimerpc;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.Maps;
15 import javax.management.ObjectName;
16 import javax.management.openmbean.OpenType;
17 import org.opendaylight.controller.config.util.ConfigRegistryClient;
18 import org.opendaylight.controller.config.yangjmxgenerator.ModuleMXBeanEntry;
19 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry;
20 import org.opendaylight.controller.config.yangjmxgenerator.RuntimeBeanEntry.Rpc;
21 import org.opendaylight.controller.config.yangjmxgenerator.attribute.AttributeIfc;
22 import org.opendaylight.controller.config.yangjmxgenerator.attribute.VoidAttribute;
23 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
24 import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
25 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.fromxml.AttributeConfigElement;
26 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.mapping.AttributeMappingStrategy;
27 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.mapping.ObjectMapper;
28 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.attributes.toxml.ObjectXmlWriter;
29 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.rpc.InstanceRuntimeRpc;
30 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.rpc.ModuleRpcs;
31 import org.opendaylight.controller.netconf.confignetconfconnector.mapping.rpc.Rpcs;
32 import org.opendaylight.controller.netconf.confignetconfconnector.operations.AbstractConfigNetconfOperation;
33 import org.opendaylight.controller.netconf.confignetconfconnector.osgi.YangStoreSnapshot;
34 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
35 import org.opendaylight.controller.netconf.util.exception.MissingNameSpaceException;
36 import org.opendaylight.controller.netconf.util.xml.XmlElement;
37 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
38 import org.slf4j.Logger;
39 import org.slf4j.LoggerFactory;
40 import org.w3c.dom.Document;
41 import org.w3c.dom.Element;
43 public class RuntimeRpc extends AbstractConfigNetconfOperation {
45 private static final Logger LOG = LoggerFactory.getLogger(RuntimeRpc.class);
46 public static final String CONTEXT_INSTANCE = "context-instance";
48 private final YangStoreSnapshot yangStoreSnapshot;
50 public RuntimeRpc(final YangStoreSnapshot yangStoreSnapshot, ConfigRegistryClient configRegistryClient,
51 String netconfSessionIdForReporting) {
52 super(configRegistryClient, netconfSessionIdForReporting);
53 this.yangStoreSnapshot = yangStoreSnapshot;
56 private Element toXml(Document doc, Object result, AttributeIfc returnType, String namespace, String elementName) throws NetconfDocumentedException {
57 AttributeMappingStrategy<?, ? extends OpenType<?>> mappingStrategy = new ObjectMapper().prepareStrategy(returnType);
58 Optional<?> mappedAttributeOpt = mappingStrategy.mapAttribute(result);
59 Preconditions.checkState(mappedAttributeOpt.isPresent(), "Unable to map return value %s as %s", result, returnType.getOpenType());
61 // FIXME: multiple return values defined as leaf-list and list in yang should not be wrapped in output xml element,
62 // they need to be appended directly under rpc-reply element
64 // Either allow List of Elements to be returned from NetconfOperation or
65 // pass reference to parent output xml element for netconf operations to
66 // append result(s) on their own
67 Element tempParent = XmlUtil.createElement(doc, "output", Optional.of(XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0));
68 new ObjectXmlWriter().prepareWritingStrategy(elementName, returnType, doc).writeElement(tempParent, namespace, mappedAttributeOpt.get());
70 XmlElement xmlElement = XmlElement.fromDomElement(tempParent);
71 return xmlElement.getChildElements().size() > 1 ? tempParent : xmlElement.getOnlyChildElement().getDomElement();
74 private Object executeOperation(final ConfigRegistryClient configRegistryClient, final ObjectName on,
75 final String name, final Map<String, AttributeConfigElement> attributes) {
76 final Object[] params = new Object[attributes.size()];
77 final String[] signature = new String[attributes.size()];
80 for (final AttributeConfigElement attribute : attributes.values()) {
81 final Optional<?> resolvedValueOpt = attribute.getResolvedValue();
83 params[i] = resolvedValueOpt.isPresent() ? resolvedValueOpt.get() : attribute.getResolvedDefaultValue();
84 signature[i] = resolvedValueOpt.isPresent() ? resolvedValueOpt.get().getClass().getName() : attribute
85 .getResolvedDefaultValue().getClass().getName();
89 return configRegistryClient.invokeMethod(on, name, params, signature);
92 public NetconfOperationExecution fromXml(final XmlElement xml) throws NetconfDocumentedException {
93 final String namespace;
95 namespace = xml.getNamespace();
96 } catch (MissingNameSpaceException e) {
97 LOG.trace("Can't get namespace from xml element due to ",e);
98 throw NetconfDocumentedException.wrap(e);
100 final XmlElement contextInstanceElement = xml.getOnlyChildElement(CONTEXT_INSTANCE);
101 final String operationName = xml.getName();
103 final RuntimeRpcElementResolved id = RuntimeRpcElementResolved.fromXpath(
104 contextInstanceElement.getTextContent(), operationName, namespace);
106 final Rpcs rpcs = mapRpcs(yangStoreSnapshot.getModuleMXBeanEntryMap());
108 final ModuleRpcs rpcMapping = rpcs.getRpcMapping(id);
109 final InstanceRuntimeRpc instanceRuntimeRpc = rpcMapping.getRpc(id.getRuntimeBeanName(), operationName);
111 // TODO move to Rpcs after xpath attribute is redesigned
113 final ObjectName on = id.getObjectName(rpcMapping);
114 Map<String, AttributeConfigElement> attributes = instanceRuntimeRpc.fromXml(xml);
115 attributes = sortAttributes(attributes, xml);
117 return new NetconfOperationExecution(on, instanceRuntimeRpc.getName(), attributes,
118 instanceRuntimeRpc.getReturnType(), namespace);
122 public HandlingPriority canHandle(Document message) throws NetconfDocumentedException {
123 XmlElement requestElement = null;
124 requestElement = getRequestElementWithCheck(message);
126 XmlElement operationElement = requestElement.getOnlyChildElement();
127 final String netconfOperationName = operationElement.getName();
128 final String netconfOperationNamespace;
130 netconfOperationNamespace = operationElement.getNamespace();
131 } catch (MissingNameSpaceException e) {
132 LOG.debug("Cannot retrieve netconf operation namespace from message due to ", e);
133 return HandlingPriority.CANNOT_HANDLE;
136 final Optional<XmlElement> contextInstanceElement = operationElement
137 .getOnlyChildElementOptionally(CONTEXT_INSTANCE);
139 if (!contextInstanceElement.isPresent()){
140 return HandlingPriority.CANNOT_HANDLE;
143 final RuntimeRpcElementResolved id = RuntimeRpcElementResolved.fromXpath(contextInstanceElement.get()
144 .getTextContent(), netconfOperationName, netconfOperationNamespace);
146 // TODO reuse rpcs instance in fromXml method
147 final Rpcs rpcs = mapRpcs(yangStoreSnapshot.getModuleMXBeanEntryMap());
151 final ModuleRpcs rpcMapping = rpcs.getRpcMapping(id);
152 final InstanceRuntimeRpc instanceRuntimeRpc = rpcMapping.getRpc(id.getRuntimeBeanName(),
153 netconfOperationName);
154 Preconditions.checkState(instanceRuntimeRpc != null, "No rpc found for %s:%s", netconfOperationNamespace,
155 netconfOperationName);
157 } catch (IllegalStateException e) {
158 LOG.debug("Cannot handle runtime operation {}:{}", netconfOperationNamespace, netconfOperationName, e);
159 return HandlingPriority.CANNOT_HANDLE;
162 return HandlingPriority.HANDLE_WITH_DEFAULT_PRIORITY;
166 protected HandlingPriority canHandle(String netconfOperationName, String namespace) {
167 throw new UnsupportedOperationException(
168 "This should not be used since it is not possible to provide check with these attributes");
172 protected String getOperationName() {
173 throw new UnsupportedOperationException("Runtime rpc does not have a stable name");
177 protected Element handleWithNoSubsequentOperations(Document document, XmlElement xml) throws NetconfDocumentedException {
178 // TODO check for namespaces and unknown elements
179 final NetconfOperationExecution execution = fromXml(xml);
181 LOG.debug("Invoking operation {} on {} with arguments {}", execution.operationName, execution.on,
182 execution.attributes);
183 final Object result = executeOperation(getConfigRegistryClient(), execution.on, execution.operationName,
184 execution.attributes);
186 LOG.trace("Operation {} called successfully on {} with arguments {} with result {}", execution.operationName,
187 execution.on, execution.attributes, result);
189 if (execution.isVoid()) {
190 return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.<String>absent());
192 return toXml(document, result, execution.returnType, execution.namespace,
193 execution.returnType.getAttributeYangName());
197 private static class NetconfOperationExecution {
199 private final ObjectName on;
200 private final String operationName;
201 private final Map<String, AttributeConfigElement> attributes;
202 private final AttributeIfc returnType;
203 private final String namespace;
205 public NetconfOperationExecution(final ObjectName on, final String name,
206 final Map<String, AttributeConfigElement> attributes, final AttributeIfc returnType, final String namespace) {
208 this.operationName = name;
209 this.attributes = attributes;
210 this.returnType = returnType;
211 this.namespace = namespace;
215 return returnType == VoidAttribute.getInstance();
220 private static Map<String, AttributeConfigElement> sortAttributes(
221 final Map<String, AttributeConfigElement> attributes, final XmlElement xml) {
222 final Map<String, AttributeConfigElement> sorted = Maps.newLinkedHashMap();
224 for (XmlElement xmlElement : xml.getChildElements()) {
225 final String name = xmlElement.getName();
226 if (!CONTEXT_INSTANCE.equals(name)) { // skip context
227 // instance child node
231 final AttributeConfigElement value = attributes.get(name);
233 throw new IllegalArgumentException("Cannot find yang mapping for node " + xmlElement);
235 sorted.put(name, value);
242 private static Rpcs mapRpcs(final Map<String, Map<String, ModuleMXBeanEntry>> mBeanEntries) {
244 final Map<String, Map<String, ModuleRpcs>> map = Maps.newHashMap();
246 for (final Map.Entry<String, Map<String, ModuleMXBeanEntry>> namespaceToModuleEntry : mBeanEntries.entrySet()) {
248 Map<String, ModuleRpcs> namespaceToModules = map.get(namespaceToModuleEntry.getKey());
249 if (namespaceToModules == null) {
250 namespaceToModules = Maps.newHashMap();
251 map.put(namespaceToModuleEntry.getKey(), namespaceToModules);
254 for (final Map.Entry<String, ModuleMXBeanEntry> moduleEntry : namespaceToModuleEntry.getValue().entrySet()) {
256 ModuleRpcs rpcMapping = namespaceToModules.get(moduleEntry.getKey());
257 if (rpcMapping == null) {
258 rpcMapping = new ModuleRpcs();
259 namespaceToModules.put(moduleEntry.getKey(), rpcMapping);
262 final ModuleMXBeanEntry entry = moduleEntry.getValue();
264 for (final RuntimeBeanEntry runtimeEntry : entry.getRuntimeBeans()) {
265 rpcMapping.addNameMapping(runtimeEntry);
266 for (final Rpc rpc : runtimeEntry.getRpcs()) {
267 rpcMapping.addRpc(runtimeEntry, rpc);
273 return new Rpcs(map);