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 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.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  25 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  26 import org.opendaylight.controller.sal.core.api.Broker;
  27 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  28 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  29 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  30 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  31 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  32 import org.opendaylight.netconf.topology.AbstractNetconfTopology;
  33 import org.opendaylight.netconf.topology.SchemaRepositoryProvider;
  34 import org.opendaylight.netconf.topology.pipeline.TopologyMountPointFacade.ConnectionStatusListenerRegistration;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  37 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 public class NetconfTopologyImpl extends AbstractNetconfTopology implements DataTreeChangeListener<Node>, AutoCloseable {
  42
  43     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyImpl.class);
  44
  45         private ListenerRegistration<NetconfTopologyImpl> datastoreListenerRegistration = null;
  46
  47     public NetconfTopologyImpl(final String topologyId, final NetconfClientDispatcher clientDispatcher,
  48                                final BindingAwareBroker bindingAwareBroker, final Broker domBroker,
  49                                final EventExecutor eventExecutor, final ScheduledThreadPool keepaliveExecutor,
  50                                final ThreadPool processingExecutor, final SchemaRepositoryProvider schemaRepositoryProvider) {
  51         super(topologyId, clientDispatcher,
  52                 bindingAwareBroker, domBroker, eventExecutor,
  53                 keepaliveExecutor, processingExecutor, schemaRepositoryProvider);
  54         registerToSal(this, this);
  55     }
  56
  57     @Override
  58     public void close() throws Exception {
  59         // close all existing connectors, delete whole topology in datastore?
  60         for (NetconfConnectorDTO connectorDTO : activeConnectors.values()) {
  61             connectorDTO.getCommunicator().close();
  62         }
  63         activeConnectors.clear();
  64
  65         if (datastoreListenerRegistration != null) {
  66             datastoreListenerRegistration.close();
  67             datastoreListenerRegistration = null;
  68         }
  69     }
  70
  71     @Override
  72     protected RemoteDeviceHandler<NetconfSessionPreferences> createSalFacade(RemoteDeviceId id, Broker domBroker, BindingAwareBroker bindingBroker, long defaultRequestTimeoutMillis) {
  73         return new NetconfDeviceSalFacade(id, domBroker, bindingAwareBroker, defaultRequestTimeoutMillis);
  74     }
  75
  76     @Override
  77     public void registerMountPoint(ActorContext context, NodeId nodeId) {
  78         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  79     }
  80
  81     @Override
  82     public void registerMountPoint(ActorContext context, NodeId nodeId, ActorRef masterRef) {
  83         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  84     }
  85
  86     @Override
  87     public void unregisterMountPoint(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 ConnectionStatusListenerRegistration registerConnectionStatusListener(NodeId node, RemoteDeviceHandler<NetconfSessionPreferences> listener) {
  93         throw new UnsupportedOperationException("Registering a listener on a regular netconf device is not supported(supported only in clustered netconf topology)");
  94     }
  95
  96     @Override
  97     public void onSessionInitiated(ProviderContext session) {
  98         dataBroker = session.getSALService(DataBroker.class);
  99
 100         LOG.warn("Registering datastore listener");
 101         datastoreListenerRegistration =
 102                 dataBroker.registerDataTreeChangeListener(
 103                         new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, createTopologyId(topologyId).child(Node.class)), this);
 104     }
 105
 106     @Override
 107     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> collection) {
 108         for (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", getNodeId(rootNode.getIdentifier()));
 113                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 114                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 115                     break;
 116                 case WRITE:
 117                     LOG.debug("Config for node {} created", getNodeId(rootNode.getIdentifier()));
 118                     if (activeConnectors.containsKey(getNodeId(rootNode.getIdentifier()))) {
 119                         LOG.warn("RemoteDevice{{}} was already configured, reconfiguring..", getNodeId(rootNode.getIdentifier()));
 120                         disconnectNode(getNodeId(rootNode.getIdentifier()));
 121                     }
 122                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 123                     break;
 124                 case DELETE:
 125                     LOG.debug("Config for node {} deleted", getNodeId(rootNode.getIdentifier()));
 126                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 127                     break;
 128             }
 129         }
 130     }
 131
 132 }