opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/NetconfMapping.xtend

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.controller.sal.connect.netconf
   9
  10 import org.opendaylight.controller.netconf.api.NetconfMessage
  11 import org.opendaylight.yangtools.yang.data.api.CompositeNode
  12 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier
  13 import org.opendaylight.yangtools.yang.common.QName
  14 import org.opendaylight.yangtools.yang.common.RpcResult
  15 import org.opendaylight.yangtools.yang.data.impl.CompositeNodeTOImpl
  16 import java.net.URI
  17 import java.util.Collections
  18 import org.opendaylight.yangtools.yang.data.api.Node
  19 import org.opendaylight.yangtools.yang.data.impl.NodeUtils
  20 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument
  21 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates
  22 import java.util.ArrayList
  23 import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl
  24 import java.util.concurrent.atomic.AtomicInteger
  25 import org.w3c.dom.Document
  26 import org.w3c.dom.Element
  27 import org.opendaylight.controller.sal.common.util.Rpcs
  28 import java.util.List
  29 import com.google.common.collect.ImmutableList
  30 import org.opendaylight.yangtools.yang.data.api.SimpleNode
  31 import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode
  32 import com.google.common.base.Preconditions
  33 import com.google.common.base.Optional
  34 import org.opendaylight.yangtools.yang.model.api.SchemaContext
  35 import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils
  36
  37 class NetconfMapping {
  38
  39     public static val NETCONF_URI = URI.create("urn:ietf:params:xml:ns:netconf:base:1.0")
  40     public static val NETCONF_MONITORING_URI = "urn:ietf:params:xml:ns:yang:ietf-netconf-monitoring"
  41     public static val NETCONF_NOTIFICATION_URI = URI.create("urn:ietf:params:xml:ns:netconf:notification:1.0")
  42
  43
  44     public static val NETCONF_QNAME = QName.create(NETCONF_URI, null, "netconf");
  45     public static val NETCONF_RPC_QNAME = QName.create(NETCONF_QNAME, "rpc");
  46     public static val NETCONF_GET_QNAME = QName.create(NETCONF_QNAME, "get");
  47     public static val NETCONF_FILTER_QNAME = QName.create(NETCONF_QNAME, "filter");
  48     public static val NETCONF_TYPE_QNAME = QName.create(NETCONF_QNAME, "type");
  49     public static val NETCONF_GET_CONFIG_QNAME = QName.create(NETCONF_QNAME, "get-config");
  50     public static val NETCONF_EDIT_CONFIG_QNAME = QName.create(NETCONF_QNAME, "edit-config");
  51     public static val NETCONF_DELETE_CONFIG_QNAME = QName.create(NETCONF_QNAME, "delete-config");
  52     public static val NETCONF_ACTION_QNAME = QName.create(NETCONF_QNAME, "action");
  53     public static val NETCONF_COMMIT_QNAME = QName.create(NETCONF_QNAME, "commit");
  54
  55     public static val NETCONF_CONFIG_QNAME = QName.create(NETCONF_QNAME, "config");
  56     public static val NETCONF_SOURCE_QNAME = QName.create(NETCONF_QNAME, "source");
  57     public static val NETCONF_TARGET_QNAME = QName.create(NETCONF_QNAME, "target");
  58
  59     public static val NETCONF_CANDIDATE_QNAME = QName.create(NETCONF_QNAME, "candidate");
  60     public static val NETCONF_RUNNING_QNAME = QName.create(NETCONF_QNAME, "running");
  61
  62
  63     public static val NETCONF_RPC_REPLY_QNAME = QName.create(NETCONF_QNAME, "rpc-reply");
  64     public static val NETCONF_OK_QNAME = QName.create(NETCONF_QNAME, "ok");
  65     public static val NETCONF_DATA_QNAME = QName.create(NETCONF_QNAME, "data");
  66     public static val NETCONF_CREATE_SUBSCRIPTION_QNAME = QName.create(NETCONF_NOTIFICATION_URI,null,"create-subscription");
  67     public static val NETCONF_CANCEL_SUBSCRIPTION_QNAME = QName.create(NETCONF_NOTIFICATION_URI,null,"cancel-subscription");
  68     public static val IETF_NETCONF_MONITORING_MODULE = QName.create(NETCONF_MONITORING_URI, "2010-10-04","ietf-netconf-monitoring");
  69
  70     static List<Node<?>> RUNNING = Collections.<Node<?>>singletonList(
  71         new SimpleNodeTOImpl(NETCONF_RUNNING_QNAME, null, null));
  72     public static val CONFIG_SOURCE_RUNNING = new CompositeNodeTOImpl(NETCONF_SOURCE_QNAME, null, RUNNING);
  73
  74     static val messageId = new AtomicInteger(0);
  75
  76     static def Node<?> toFilterStructure(InstanceIdentifier identifier) {
  77         var Node<?> previous = null;
  78         if(identifier.path.empty) {
  79             return null;
  80         }
  81
  82         for (component : identifier.path.reverseView) {
  83             val Node<?> current = component.toNode(previous);
  84             previous = current;
  85         }
  86         return filter("subtree",previous);
  87     }
  88
  89     static def dispatch Node<?> toNode(NodeIdentifierWithPredicates argument, Node<?> node) {
  90         val list = new ArrayList<Node<?>>();
  91         for (arg : argument.keyValues.entrySet) {
  92             list.add = new SimpleNodeTOImpl(arg.key, null, arg.value);
  93         }
  94         return new CompositeNodeTOImpl(argument.nodeType, null, list)
  95     }
  96
  97     static def dispatch Node<?> toNode(PathArgument argument, Node<?> node) {
  98         if (node != null) {
  99             return new CompositeNodeTOImpl(argument.nodeType, null, Collections.singletonList(node));
 100         } else {
 101             return new SimpleNodeTOImpl(argument.nodeType, null, null);
 102         }
 103     }
 104
 105     static def CompositeNode toCompositeNode(NetconfMessage message,Optional<SchemaContext> ctx) {
 106         return null//message.toRpcResult().result;
 107     }
 108
 109     static def NetconfMessage toRpcMessage(QName rpc, CompositeNode node,Optional<SchemaContext> ctx) {
 110         val rpcPayload = wrap(NETCONF_RPC_QNAME, flattenInput(node));
 111         val w3cPayload = NodeUtils.buildShadowDomTree(rpcPayload);
 112         w3cPayload.documentElement.setAttribute("message-id", "m-" + messageId.andIncrement);
 113         return new NetconfMessage(w3cPayload);
 114     }
 115
 116     def static flattenInput(CompositeNode node) {
 117         val inputQName = QName.create(node.nodeType,"input");
 118         val input = node.getFirstCompositeByName(inputQName);
 119         if(input == null) return node;
 120         if(input instanceof CompositeNode) {
 121
 122             val nodes = ImmutableList.builder() //
 123                 .addAll(input.children) //
 124                 .addAll(node.children.filter[nodeType != inputQName]) //
 125                 .build()
 126             return ImmutableCompositeNode.create(node.nodeType,nodes);
 127         }
 128
 129     }
 130
 131     static def RpcResult<CompositeNode> toRpcResult(NetconfMessage message,QName rpc,Optional<SchemaContext> context) {
 132         var CompositeNode rawRpc;
 133         if(context.present) {
 134             if(isDataRetrievalReply(rpc)) {
 135
 136                 val xmlData = message.document.dataSubtree
 137                 val dataNodes = XmlDocumentUtils.toDomNodes(xmlData,Optional.of(context.get.dataDefinitions))
 138
 139                 val it = ImmutableCompositeNode.builder()
 140                 setQName(NETCONF_RPC_REPLY_QNAME)
 141                 add(ImmutableCompositeNode.create(NETCONF_DATA_QNAME,dataNodes));
 142
 143                 rawRpc = it.toInstance;
 144                 //sys(xmlData)
 145             } else {
 146                 val rpcSchema = context.get.operations.findFirst[QName == rpc]
 147                 rawRpc = message.document.toCompositeNode() as CompositeNode;
 148             }
 149
 150
 151
 152         } else {
 153             rawRpc = message.document.toCompositeNode() as CompositeNode;
 154         }
 155         //rawRpc.
 156         return Rpcs.getRpcResult(true, rawRpc, Collections.emptySet());
 157     }
 158
 159     def static Element getDataSubtree(Document doc) {
 160         doc.getElementsByTagNameNS(NETCONF_URI.toString,"data").item(0) as Element
 161     }
 162
 163     def static boolean isDataRetrievalReply(QName it) {
 164         return NETCONF_URI == namespace && ( localName == NETCONF_GET_CONFIG_QNAME.localName || localName == NETCONF_GET_QNAME.localName)
 165     }
 166
 167     static def wrap(QName name, Node<?> node) {
 168         if (node != null) {
 169             return new CompositeNodeTOImpl(name, null, Collections.singletonList(node));
 170         } else {
 171             return new CompositeNodeTOImpl(name, null, Collections.emptyList());
 172         }
 173     }
 174
 175     static def wrap(QName name, Node<?> additional, Node<?> node) {
 176         if (node != null) {
 177             return new CompositeNodeTOImpl(name, null, ImmutableList.of(additional, node));
 178         } else {
 179             return new CompositeNodeTOImpl(name, null, ImmutableList.of(additional));
 180         }
 181     }
 182
 183     static def filter(String type, Node<?> node) {
 184         val it = ImmutableCompositeNode.builder(); //
 185         setQName(NETCONF_FILTER_QNAME);
 186         setAttribute(NETCONF_TYPE_QNAME,type);
 187         if (node != null) {
 188             return add(node).toInstance();
 189         } else {
 190             return toInstance();
 191         }
 192     }
 193
 194     public static def Node<?> toCompositeNode(Document document) {
 195         return XmlDocumentUtils.toDomNode(document) as Node<?>
 196     }
 197
 198     public static def checkValidReply(NetconfMessage input, NetconfMessage output) {
 199         val inputMsgId = input.document.documentElement.getAttribute("message-id")
 200         val outputMsgId = output.document.documentElement.getAttribute("message-id")
 201         Preconditions.checkState(inputMsgId == outputMsgId,"Rpc request and reply message IDs must be same.");
 202
 203     }
 204
 205 }