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 io.netty.util.concurrent.EventExecutor;
  12 import java.util.Collection;
  13 import javax.annotation.Nonnull;
  14 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  15 import org.opendaylight.controller.config.threadpool.ThreadPool;
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  18 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  23 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  24 import org.opendaylight.controller.sal.core.api.Broker;
  25 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  26 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  27 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  28 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  29 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  30 import org.opendaylight.netconf.topology.AbstractNetconfTopology;
  31 import org.opendaylight.netconf.topology.SchemaRepositoryProvider;
  32 import org.opendaylight.netconf.topology.pipeline.TopologyMountPointFacade.ConnectionStatusListenerRegistration;
  33 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  35 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 public class NetconfTopologyImpl extends AbstractNetconfTopology implements DataTreeChangeListener<Node>, AutoCloseable {
  40
  41     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyImpl.class);
  42
  43         private ListenerRegistration<NetconfTopologyImpl> datastoreListenerRegistration = null;
  44
  45     public NetconfTopologyImpl(final String topologyId, final NetconfClientDispatcher clientDispatcher,
  46                                final BindingAwareBroker bindingAwareBroker, final Broker domBroker,
  47                                final EventExecutor eventExecutor, final ScheduledThreadPool keepaliveExecutor,
  48                                final ThreadPool processingExecutor, final SchemaRepositoryProvider schemaRepositoryProvider) {
  49         super(topologyId, clientDispatcher,
  50                 bindingAwareBroker, domBroker, eventExecutor,
  51                 keepaliveExecutor, processingExecutor, schemaRepositoryProvider);
  52         registerToSal(this, this);
  53     }
  54
  55     @Override
  56     public void close() throws Exception {
  57         // close all existing connectors, delete whole topology in datastore?
  58         for (NetconfConnectorDTO connectorDTO : activeConnectors.values()) {
  59             connectorDTO.getCommunicator().close();
  60         }
  61         activeConnectors.clear();
  62
  63         if (datastoreListenerRegistration != null) {
  64             datastoreListenerRegistration.close();
  65             datastoreListenerRegistration = null;
  66         }
  67     }
  68
  69     @Override
  70     protected RemoteDeviceHandler<NetconfSessionPreferences> createSalFacade(RemoteDeviceId id, Broker domBroker, BindingAwareBroker bindingBroker, long defaultRequestTimeoutMillis) {
  71         return new NetconfDeviceSalFacade(id, domBroker, bindingAwareBroker, defaultRequestTimeoutMillis);
  72     }
  73
  74     @Override
  75     public void registerMountPoint(NodeId nodeId) {
  76         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  77     }
  78
  79     @Override
  80     public void unregisterMountPoint(NodeId nodeId) {
  81         throw new UnsupportedOperationException("MountPoint registration is not supported in regular topology, this happens automaticaly in the netconf pipeline");
  82     }
  83
  84     @Override
  85     public ConnectionStatusListenerRegistration registerConnectionStatusListener(NodeId node, RemoteDeviceHandler<NetconfSessionPreferences> listener) {
  86         throw new UnsupportedOperationException("Registering a listener on a regular netconf device is not supported(supported only in clustered netconf topology)");
  87     }
  88
  89     @Override
  90     public void onSessionInitiated(ProviderContext session) {
  91         dataBroker = session.getSALService(DataBroker.class);
  92
  93         LOG.warn("Registering datastore listener");
  94         datastoreListenerRegistration =
  95                 dataBroker.registerDataTreeChangeListener(
  96                         new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION, createTopologyId(topologyId).child(Node.class)), this);
  97     }
  98
  99     @Override
 100     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> collection) {
 101         for (DataTreeModification<Node> change : collection) {
 102             final DataObjectModification<Node> rootNode = change.getRootNode();
 103             switch (rootNode.getModificationType()) {
 104                 case SUBTREE_MODIFIED:
 105                     LOG.debug("Config for node {} updated", getNodeId(rootNode.getIdentifier()));
 106                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 107                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 108                     break;
 109                 case WRITE:
 110                     LOG.debug("Config for node {} created", getNodeId(rootNode.getIdentifier()));
 111                     if (activeConnectors.containsKey(getNodeId(rootNode.getIdentifier()))) {
 112                         LOG.warn("RemoteDevice{{}} was already configured, reconfiguring..", getNodeId(rootNode.getIdentifier()));
 113                         disconnectNode(getNodeId(rootNode.getIdentifier()));
 114                     }
 115                     connectNode(getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 116                     break;
 117                 case DELETE:
 118                     LOG.debug("Config for node {} deleted", getNodeId(rootNode.getIdentifier()));
 119                     disconnectNode(getNodeId(rootNode.getIdentifier()));
 120                     break;
 121             }
 122         }
 123     }
 124
 125 }