2 * Copyright (c) 2014 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
8 package org.opendaylight.controller.sal.connect.netconf;
11 import java.util.ArrayList;
12 import java.util.Collections;
13 import java.util.List;
16 import java.util.concurrent.atomic.AtomicInteger;
18 import javax.activation.UnsupportedDataTypeException;
19 import javax.annotation.Nullable;
21 import org.opendaylight.controller.netconf.api.NetconfMessage;
22 import org.opendaylight.controller.sal.common.util.Rpcs;
23 import org.opendaylight.yangtools.yang.common.QName;
24 import org.opendaylight.yangtools.yang.common.RpcError;
25 import org.opendaylight.yangtools.yang.common.RpcResult;
26 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
27 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
28 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
29 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
30 import org.opendaylight.yangtools.yang.data.api.Node;
31 import org.opendaylight.yangtools.yang.data.impl.CompositeNodeTOImpl;
32 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
33 import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl;
34 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils;
35 import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
36 import org.opendaylight.yangtools.yang.model.api.NotificationDefinition;
37 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
38 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
39 import org.w3c.dom.Document;
40 import org.w3c.dom.Element;
42 import com.google.common.base.Optional;
43 import com.google.common.base.Preconditions;
44 import com.google.common.base.Predicate;
45 import com.google.common.collect.Collections2;
46 import com.google.common.collect.ImmutableList;
47 import com.google.common.collect.Iterables;
48 import com.google.common.collect.Lists;
50 public class NetconfMapping {
52 public static URI NETCONF_URI = URI.create("urn:ietf:params:xml:ns:netconf:base:1.0");
53 public static String NETCONF_MONITORING_URI = "urn:ietf:params:xml:ns:yang:ietf-netconf-monitoring";
54 public static URI NETCONF_NOTIFICATION_URI = URI.create("urn:ietf:params:xml:ns:netconf:notification:1.0");
56 public static QName NETCONF_QNAME = QName.create(NETCONF_URI, null, "netconf");
57 public static QName NETCONF_RPC_QNAME = QName.create(NETCONF_QNAME, "rpc");
58 public static QName NETCONF_GET_QNAME = QName.create(NETCONF_QNAME, "get");
59 public static QName NETCONF_FILTER_QNAME = QName.create(NETCONF_QNAME, "filter");
60 public static QName NETCONF_TYPE_QNAME = QName.create(NETCONF_QNAME, "type");
61 public static QName NETCONF_GET_CONFIG_QNAME = QName.create(NETCONF_QNAME, "get-config");
62 public static QName NETCONF_EDIT_CONFIG_QNAME = QName.create(NETCONF_QNAME, "edit-config");
63 public static QName NETCONF_DELETE_CONFIG_QNAME = QName.create(NETCONF_QNAME, "delete-config");
64 public static QName NETCONF_OPERATION_QNAME = QName.create(NETCONF_QNAME, "operation");
65 public static QName NETCONF_COMMIT_QNAME = QName.create(NETCONF_QNAME, "commit");
67 public static QName NETCONF_CONFIG_QNAME = QName.create(NETCONF_QNAME, "config");
68 public static QName NETCONF_SOURCE_QNAME = QName.create(NETCONF_QNAME, "source");
69 public static QName NETCONF_TARGET_QNAME = QName.create(NETCONF_QNAME, "target");
71 public static QName NETCONF_CANDIDATE_QNAME = QName.create(NETCONF_QNAME, "candidate");
72 public static QName NETCONF_RUNNING_QNAME = QName.create(NETCONF_QNAME, "running");
74 public static QName NETCONF_RPC_REPLY_QNAME = QName.create(NETCONF_QNAME, "rpc-reply");
75 public static QName NETCONF_OK_QNAME = QName.create(NETCONF_QNAME, "ok");
76 public static QName NETCONF_DATA_QNAME = QName.create(NETCONF_QNAME, "data");
77 public static QName NETCONF_CREATE_SUBSCRIPTION_QNAME = QName.create(NETCONF_NOTIFICATION_URI, null,
78 "create-subscription");
79 public static QName NETCONF_CANCEL_SUBSCRIPTION_QNAME = QName.create(NETCONF_NOTIFICATION_URI, null,
80 "cancel-subscription");
81 public static QName IETF_NETCONF_MONITORING_MODULE = QName.create(NETCONF_MONITORING_URI, "2010-10-04",
82 "ietf-netconf-monitoring");
84 static List<Node<?>> RUNNING = Collections.<Node<?>> singletonList(new SimpleNodeTOImpl(NETCONF_RUNNING_QNAME,
87 public static CompositeNode CONFIG_SOURCE_RUNNING = new CompositeNodeTOImpl(NETCONF_SOURCE_QNAME, null, RUNNING);
89 static AtomicInteger messageId = new AtomicInteger(0);
91 static Node<?> toFilterStructure(InstanceIdentifier identifier) {
92 Node<?> previous = null;
93 if (identifier.getPath().isEmpty()) {
97 for (org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument component : Lists
98 .reverse(identifier.getPath())) {
99 previous = toNode(component, previous);
101 return filter("subtree", previous);
104 static Node<?> toNode(NodeIdentifierWithPredicates argument, Node<?> node) {
105 List<Node<?>> list = new ArrayList<>();
106 for (Map.Entry<QName, Object> arg : argument.getKeyValues().entrySet()) {
107 list.add(new SimpleNodeTOImpl(arg.getKey(), null, arg.getValue()));
112 return new CompositeNodeTOImpl(argument.getNodeType(), null, list);
115 static Node<?> toNode(PathArgument argument, Node<?> node) {
117 return new CompositeNodeTOImpl(argument.getNodeType(), null, Collections.<Node<?>> singletonList(node));
119 return new SimpleNodeTOImpl(argument.getNodeType(), null, null);
123 static CompositeNode toCompositeNode(NetconfMessage message, Optional<SchemaContext> ctx) {
124 // TODO: implement general normalization to normalize incoming Netconf
126 // for Schema Context counterpart
130 static CompositeNode toNotificationNode(NetconfMessage message, Optional<SchemaContext> ctx) {
131 if (ctx.isPresent()) {
132 SchemaContext schemaContext = ctx.get();
133 Set<NotificationDefinition> notifications = schemaContext.getNotifications();
134 Document document = message.getDocument();
135 return XmlDocumentUtils.notificationToDomNodes(document, Optional.fromNullable(notifications));
140 static NetconfMessage toRpcMessage(QName rpc, CompositeNode node, Optional<SchemaContext> ctx) {
141 CompositeNodeTOImpl rpcPayload = wrap(NETCONF_RPC_QNAME, flattenInput(node));
142 Document w3cPayload = null;
144 w3cPayload = XmlDocumentUtils.toDocument(rpcPayload, XmlDocumentUtils.defaultValueCodecProvider());
145 } catch (UnsupportedDataTypeException e) {
149 w3cPayload.getDocumentElement().setAttribute("message-id", "m-" + messageId.getAndIncrement());
150 return new NetconfMessage(w3cPayload);
153 static CompositeNode flattenInput(final CompositeNode node) {
154 final QName inputQName = QName.create(node.getNodeType(), "input");
155 CompositeNode input = node.getFirstCompositeByName(inputQName);
158 if (input instanceof CompositeNode) {
160 List<Node<?>> nodes = ImmutableList.<Node<?>> builder() //
161 .addAll(input.getChildren()) //
162 .addAll(Collections2.filter(node.getChildren(), new Predicate<Node<?>>() {
164 public boolean apply(@Nullable final Node<?> input) {
165 return input.getNodeType() != inputQName;
170 return ImmutableCompositeNode.create(node.getNodeType(), nodes);
176 static RpcResult<CompositeNode> toRpcResult(NetconfMessage message, final QName rpc, Optional<SchemaContext> context) {
177 CompositeNode rawRpc;
178 if (context.isPresent())
179 if (isDataRetrieQNameReply(rpc)) {
181 Element xmlData = getDataSubtree(message.getDocument());
183 List<org.opendaylight.yangtools.yang.data.api.Node<?>> dataNodes = XmlDocumentUtils.toDomNodes(xmlData,
184 Optional.of(context.get().getDataDefinitions()));
186 CompositeNodeBuilder<ImmutableCompositeNode> it = ImmutableCompositeNode.builder();
187 it.setQName(NETCONF_RPC_REPLY_QNAME);
188 it.add(ImmutableCompositeNode.create(NETCONF_DATA_QNAME, dataNodes));
190 rawRpc = it.toInstance();
193 RpcDefinition rpcSchema = Iterables.find(context.get().getOperations(), new Predicate<RpcDefinition>() {
195 public boolean apply(final RpcDefinition input) {
196 return rpc == input.getQName();
199 rawRpc = (CompositeNode) toCompositeNode(message.getDocument());
202 rawRpc = (CompositeNode) toCompositeNode(message.getDocument());
205 return Rpcs.getRpcResult(true, rawRpc, Collections.<RpcError> emptySet());
208 static Element getDataSubtree(Document doc) {
209 return (Element) doc.getElementsByTagNameNS(NETCONF_URI.toString(), "data").item(0);
212 static boolean isDataRetrieQNameReply(QName it) {
213 return NETCONF_URI == it.getNamespace()
214 && (it.getLocalName() == NETCONF_GET_CONFIG_QNAME.getLocalName() || it.getLocalName() == NETCONF_GET_QNAME
218 static CompositeNodeTOImpl wrap(QName name, Node<?> node) {
220 return new CompositeNodeTOImpl(name, null, Collections.<Node<?>> singletonList(node));
222 return new CompositeNodeTOImpl(name, null, Collections.<Node<?>> emptyList());
226 static CompositeNodeTOImpl wrap(QName name, Node<?> additional, Node<?> node) {
228 return new CompositeNodeTOImpl(name, null, ImmutableList.of(additional, node));
230 return new CompositeNodeTOImpl(name, null, ImmutableList.<Node<?>> of(additional));
234 static ImmutableCompositeNode filter(String type, Node<?> node) {
235 CompositeNodeBuilder<ImmutableCompositeNode> it = ImmutableCompositeNode.builder(); //
236 it.setQName(NETCONF_FILTER_QNAME);
237 it.setAttribute(NETCONF_TYPE_QNAME, type);
239 return it.add(node).toInstance();
241 return it.toInstance();
245 public static Node<?> toCompositeNode(Document document) {
246 return XmlDocumentUtils.toDomNode(document);
249 public static void checkValidReply(NetconfMessage input, NetconfMessage output) {
250 String inputMsgId = input.getDocument().getDocumentElement().getAttribute("message-id");
251 String outputMsgId = output.getDocument().getDocumentElement().getAttribute("message-id");
252 Preconditions.checkState(inputMsgId == outputMsgId, "Rpc request and reply message IDs must be same.");