opendaylight/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 akka.actor.ActorContext;
  12 import akka.actor.ActorRef;
  13 import com.google.common.util.concurrent.FutureCallback;
  14 import com.google.common.util.concurrent.Futures;
  15 import io.netty.util.concurrent.EventExecutor;
  16 import java.util.Collection;
  17 import javax.annotation.Nonnull;
  18 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  19 import org.opendaylight.controller.config.threadpool.ThreadPool;
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  23 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  24 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  25 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  27 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  28 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  29 import org.opendaylight.controller.sal.core.api.Broker;
  30 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  31 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  32 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  33 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  34 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  35 import org.opendaylight.netconf.topology.AbstractNetconfTopology;
  36 import org.opendaylight.netconf.topology.SchemaRepositoryProvider;
  37 import org.opendaylight.netconf.topology.pipeline.TopologyMountPointFacade.ConnectionStatusListenerRegistration;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  46 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  47 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  48 import org.slf4j.Logger;
  49 import org.slf4j.LoggerFactory;
  50
  51 public class NetconfTopologyImpl extends AbstractNetconfTopology implements DataTreeChangeListener<Node>, AutoCloseable {
  52
  53     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyImpl.class);
  54
  55         private ListenerRegistration<NetconfTopologyImpl> datastoreListenerRegistration = null;
  56
  57     public NetconfTopologyImpl(final String topologyId, final NetconfClientDispatcher clientDispatcher,
  58                                final BindingAwareBroker bindingAwareBroker, final Broker domBroker,
  59                                final EventExecutor eventExecutor, final ScheduledThreadPool keepaliveExecutor,
  60                                final ThreadPool processingExecutor, final SchemaRepositoryProvider schemaRepositoryProvider) {
  61         super(topologyId, clientDispatcher,
  62                 bindingAwareBroker, domBroker, eventExecutor,
  63                 keepaliveExecutor, processingExecutor, schemaRepositoryProvider);
  64         registerToSal(this, this);
  65     }
  66
  67     @Override
  68     public void close() throws Exception {
  69         // close all existing connectors, delete whole topology in datastore?
  70         for (NetconfConnectorDTO connectorDTO : activeConnectors.values()) {
  71             connectorDTO.getCommunicator().close();
  72         }
  73         activeConnectors.clear();
  74
  75         if (datastoreListenerRegistration != null) {
  76             datastoreListenerRegistration.close();
  77             datastoreListenerRegistration = null;
  78         }
  79     }
  80
  81     @Override
  82     protected RemoteDeviceHandler<NetconfSessionPreferences> createSalFacade(RemoteDeviceId id, Broker domBroker, BindingAwareBroker bindingBroker) {
  83         return new NetconfDeviceSalFacade(id, domBroker, bindingAwareBroker);
  84     }
  85
  86     @Override
  87     public void registerMountPoint(ActorContext context, NodeId nodeId) {
  88         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  89     }
  90
  91     @Override
  92     public void registerMountPoint(ActorContext context, NodeId nodeId, ActorRef masterRef) {
  93         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  94     }
  95
  96     @Override
  97     public void unregisterMountPoint(NodeId nodeId) {
  98         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  99     }
 100
 101     @Override
 102     public ConnectionStatusListenerRegistration registerConnectionStatusListener(NodeId node, RemoteDeviceHandler<NetconfSessionPreferences> listener) {
 103         throw new UnsupportedOperationException("Registering a listener on a regular netconf device is not supported(supported only in clustered netconf topology)");
 104     }
 105
 106     @Override
 107     public void onSessionInitiated(ProviderContext session) {
 108         dataBroker = session.getSALService(DataBroker.class);
 109
 110         final WriteTransaction wtx = dataBroker.newWriteOnlyTransaction();
 111         initTopology(wtx, LogicalDatastoreType.CONFIGURATION);
 112         initTopology(wtx, LogicalDatastoreType.OPERATIONAL);
 113         Futures.addCallback(wtx.submit(), new FutureCallback<Void>() {
 114             @Override
 115             public void onSuccess(Void result) {
 116                 LOG.debug("topology initialization successful");
 117             }
 118
 119             @Override
 120             public void onFailure(Throwable t) {
 121                 LOG.error("Unable to initialize netconf-topology, {}", t);
 122             }
 123         });
 124
 125         LOG.debug("Registering datastore listener");
 126         datastoreListenerRegistration =
 127                 dataBroker.registerDataTreeChangeListener(
 128                         new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, createTopologyId(topologyId).child(Node.class)), this);
 129
 130
 131     }
 132
 133     @Override
 134     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> collection) {
 135         for (DataTreeModification<Node> change : collection) {
 136             final DataObjectModification<Node> rootNode = change.getRootNode();
 137             switch (rootNode.getModificationType()) {
 138                 case SUBTREE_MODIFIED:
 139                     LOG.debug("Config for node {} updated", getNodeId(rootNode.getIdentifier()));
 140                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 141                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 142                     break;
 143                 case WRITE:
 144                     LOG.debug("Config for node {} created", getNodeId(rootNode.getIdentifier()));
 145                     if (activeConnectors.containsKey(getNodeId(rootNode.getIdentifier()))) {
 146                         LOG.warn("RemoteDevice{{}} was already configured, reconfiguring..", getNodeId(rootNode.getIdentifier()));
 147                         disconnectNode(getNodeId(rootNode.getIdentifier()));
 148                     }
 149                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 150                     break;
 151                 case DELETE:
 152                     LOG.debug("Config for node {} deleted", getNodeId(rootNode.getIdentifier()));
 153                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 154                     break;
 155             }
 156         }
 157     }
 158
 159     private void initTopology(final WriteTransaction wtx, final LogicalDatastoreType datastoreType) {
 160         final NetworkTopology networkTopology = new NetworkTopologyBuilder().build();
 161         final InstanceIdentifier<NetworkTopology> networkTopologyId = InstanceIdentifier.builder(NetworkTopology.class).build();
 162         wtx.merge(datastoreType, networkTopologyId, networkTopology);
 163         final Topology topology = new TopologyBuilder().setTopologyId(new TopologyId(topologyId)).build();
 164         wtx.merge(datastoreType, networkTopologyId.child(Topology.class, new TopologyKey(new TopologyId(topologyId))), topology);
 165     }
 166
 167 }