netconf/sal-netconf-connector/src/main/java/org/opendaylight/netconf/sal/connect/netconf/sal/NetconfDeviceSalFacade.java

   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.netconf.sal.connect.netconf.sal;
   9
  10 import com.google.common.annotations.VisibleForTesting;
  11 import com.google.common.collect.Lists;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import org.opendaylight.mdsal.binding.api.DataBroker;
  15 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.mdsal.dom.api.DOMActionService;
  18 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  19 import org.opendaylight.mdsal.dom.api.DOMNotification;
  20 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  21 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  22 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCapabilities;
  23 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  24 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.NetconfNodeFieldsOptional;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.netconf.node.fields.optional.Topology;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.netconf.node.fields.optional.TopologyKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.netconf.node.fields.optional.topology.Node;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.netconf.node.fields.optional.topology.NodeKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.optional.rev190614.netconf.node.fields.optional.topology.node.DatastoreLock;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNodeConnectionStatus.ConnectionStatus;
  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.TopologyId;
  35 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  36 import org.opendaylight.yangtools.rfc8528.data.api.MountPointContext;
  37 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 public final class NetconfDeviceSalFacade implements AutoCloseable, RemoteDeviceHandler<NetconfSessionPreferences> {
  43
  44     private static final Logger LOG = LoggerFactory.getLogger(NetconfDeviceSalFacade.class);
  45
  46     private final RemoteDeviceId id;
  47     private final NetconfDeviceSalProvider salProvider;
  48     private final List<AutoCloseable> salRegistrations = new ArrayList<>();
  49     private final DataBroker dataBroker;
  50     private final String topologyId;
  51
  52     private ListenerRegistration<LockChangeListener> listenerRegistration = null;
  53
  54     public NetconfDeviceSalFacade(final RemoteDeviceId id, final DOMMountPointService mountPointService,
  55             final DataBroker dataBroker, final String topologyId) {
  56         this(id, new NetconfDeviceSalProvider(id, mountPointService, dataBroker), dataBroker, topologyId);
  57     }
  58
  59     @VisibleForTesting
  60     NetconfDeviceSalFacade(final RemoteDeviceId id, final NetconfDeviceSalProvider salProvider,
  61             final DataBroker dataBroker, final String topologyId) {
  62         this.id = id;
  63         this.salProvider = salProvider;
  64         this.dataBroker = dataBroker;
  65         this.topologyId = topologyId;
  66     }
  67
  68     @Override
  69     public synchronized void onNotification(final DOMNotification domNotification) {
  70         salProvider.getMountInstance().publish(domNotification);
  71     }
  72
  73     @Override
  74     public synchronized void onDeviceConnected(final MountPointContext mountContext,
  75                                                final NetconfSessionPreferences netconfSessionPreferences,
  76                                                final DOMRpcService deviceRpc, final DOMActionService deviceAction) {
  77         final SchemaContext schemaContext = mountContext.getSchemaContext();
  78         final NetconfDeviceDataBroker netconfDeviceDataBroker =
  79                 new NetconfDeviceDataBroker(id, mountContext, deviceRpc, netconfSessionPreferences);
  80         registerLockListener(netconfDeviceDataBroker);
  81         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  82
  83         salProvider.getMountInstance()
  84                 .onTopologyDeviceConnected(schemaContext, netconfDeviceDataBroker, deviceRpc, notificationService,
  85                         deviceAction);
  86         salProvider.getTopologyDatastoreAdapter()
  87                 .updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  88     }
  89
  90     @Override
  91     public synchronized void onDeviceReconnected(final NetconfSessionPreferences netconfSessionPreferences,
  92             final NetconfNode node) {
  93         this.salProvider.getTopologyDatastoreAdapter().updateDeviceData(ConnectionStatus.Connecting,
  94                 netconfSessionPreferences.getNetconfDeviceCapabilities(), LogicalDatastoreType.CONFIGURATION, node);
  95     }
  96
  97     @Override
  98     public synchronized void onDeviceDisconnected() {
  99         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
 100         salProvider.getMountInstance().onTopologyDeviceDisconnected();
 101         closeLockChangeListener();
 102     }
 103
 104     @Override
 105     public synchronized void onDeviceFailed(final Throwable throwable) {
 106         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
 107         salProvider.getMountInstance().onTopologyDeviceDisconnected();
 108         closeLockChangeListener();
 109     }
 110
 111     @Override
 112     public synchronized void close() {
 113         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
 114             closeGracefully(reg);
 115         }
 116         closeGracefully(salProvider);
 117         closeLockChangeListener();
 118     }
 119
 120     @SuppressWarnings("checkstyle:IllegalCatch")
 121     private void closeGracefully(final AutoCloseable resource) {
 122         if (resource != null) {
 123             try {
 124                 resource.close();
 125             } catch (final Exception e) {
 126                 LOG.warn("{}: Ignoring exception while closing {}", id, resource, e);
 127             }
 128         }
 129     }
 130
 131     private void closeLockChangeListener() {
 132         if (listenerRegistration != null) {
 133             listenerRegistration.close();
 134         }
 135     }
 136
 137     private void registerLockListener(final NetconfDeviceDataBroker netconfDeviceDataBroker) {
 138         listenerRegistration = dataBroker.registerDataTreeChangeListener(
 139                 DataTreeIdentifier.create(LogicalDatastoreType.CONFIGURATION, createTopologyListPath()),
 140                 new LockChangeListener(netconfDeviceDataBroker));
 141     }
 142
 143     private InstanceIdentifier<DatastoreLock> createTopologyListPath() {
 144         return InstanceIdentifier.create(NetconfNodeFieldsOptional.class)
 145                 .child(Topology.class, new TopologyKey(new TopologyId(topologyId)))
 146                 .child(Node.class, new NodeKey(new NodeId(id.getName())))
 147                 .child(DatastoreLock.class);
 148
 149     }
 150 }