netconf/netconf-topology/src/main/java/org/opendaylight/netconf/topology/impl/NetconfTopologyImpl.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.netconf.topology.impl;
  10
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import io.netty.util.concurrent.EventExecutor;
  14 import java.util.Collection;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  17 import org.opendaylight.controller.config.threadpool.ThreadPool;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  21 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  23 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  26 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  27 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  28 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  29 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  30 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  31 import org.opendaylight.netconf.topology.AbstractNetconfTopology;
  32 import org.opendaylight.netconf.topology.api.SchemaRepositoryProvider;
  33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 public class NetconfTopologyImpl extends AbstractNetconfTopology implements DataTreeChangeListener<Node>, AutoCloseable {
  46
  47     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyImpl.class);
  48
  49     private ListenerRegistration<NetconfTopologyImpl> datastoreListenerRegistration = null;
  50
  51     public NetconfTopologyImpl(final String topologyId, final NetconfClientDispatcher clientDispatcher,
  52                                final EventExecutor eventExecutor, final ScheduledThreadPool keepaliveExecutor,
  53                                final ThreadPool processingExecutor, final SchemaRepositoryProvider schemaRepositoryProvider,
  54                                final DataBroker dataBroker, final DOMMountPointService mountPointService) {
  55         super(topologyId, clientDispatcher, eventExecutor, keepaliveExecutor, processingExecutor,
  56                 schemaRepositoryProvider, dataBroker, mountPointService);
  57     }
  58
  59     @Override
  60     public void close() throws Exception {
  61         // close all existing connectors, delete whole topology in datastore?
  62         for (final NetconfConnectorDTO connectorDTO : activeConnectors.values()) {
  63             connectorDTO.close();
  64         }
  65         activeConnectors.clear();
  66
  67         if (datastoreListenerRegistration != null) {
  68             datastoreListenerRegistration.close();
  69             datastoreListenerRegistration = null;
  70         }
  71     }
  72
  73     @Override
  74     protected RemoteDeviceHandler<NetconfSessionPreferences> createSalFacade(final RemoteDeviceId id) {
  75         return new NetconfDeviceSalFacade(id, mountPointService, dataBroker);
  76     }
  77
  78     /**
  79      * Invoke by blueprint
  80      */
  81     public void init() {
  82         final WriteTransaction wtx = dataBroker.newWriteOnlyTransaction();
  83         initTopology(wtx, LogicalDatastoreType.CONFIGURATION);
  84         initTopology(wtx, LogicalDatastoreType.OPERATIONAL);
  85         Futures.addCallback(wtx.submit(), new FutureCallback<Void>() {
  86             @Override
  87             public void onSuccess(final Void result) {
  88                 LOG.debug("topology initialization successful");
  89             }
  90
  91             @Override
  92             public void onFailure(final Throwable t) {
  93                 LOG.error("Unable to initialize netconf-topology, {}", t);
  94             }
  95         });
  96
  97         LOG.debug("Registering datastore listener");
  98         datastoreListenerRegistration =
  99                 dataBroker.registerDataTreeChangeListener(
 100                         new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
 101                                 TopologyUtil.createTopologyListPath(topologyId).child(Node.class)), this);
 102
 103
 104     }
 105
 106     @Override
 107     public void onDataTreeChanged(@Nonnull final Collection<DataTreeModification<Node>> collection) {
 108         for (final DataTreeModification<Node> change : collection) {
 109             final DataObjectModification<Node> rootNode = change.getRootNode();
 110             switch (rootNode.getModificationType()) {
 111                 case SUBTREE_MODIFIED:
 112                     LOG.debug("Config for node {} updated", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 113                     disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 114                     connectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 115                     break;
 116                 case WRITE:
 117                     LOG.debug("Config for node {} created", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 118                     if (activeConnectors.containsKey(TopologyUtil.getNodeId(rootNode.getIdentifier()))) {
 119                         LOG.warn("RemoteDevice{{}} was already configured, reconfiguring..", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 120                         disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 121                     }
 122                     connectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 123                     break;
 124                 case DELETE:
 125                     LOG.debug("Config for node {} deleted", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 126                     disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 127                     break;
 128             }
 129         }
 130     }
 131
 132     private void initTopology(final WriteTransaction wtx, final LogicalDatastoreType datastoreType) {
 133         final NetworkTopology networkTopology = new NetworkTopologyBuilder().build();
 134         final InstanceIdentifier<NetworkTopology> networkTopologyId = InstanceIdentifier.builder(NetworkTopology.class).build();
 135         wtx.merge(datastoreType, networkTopologyId, networkTopology);
 136         final Topology topology = new TopologyBuilder().setTopologyId(new TopologyId(topologyId)).build();
 137         wtx.merge(datastoreType, networkTopologyId.child(Topology.class, new TopologyKey(new TopologyId(topologyId))), topology);
 138     }
 139
 140 }