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.dom.api.DOMActionService;
  16 import org.opendaylight.mdsal.dom.api.DOMDataBroker;
  17 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  18 import org.opendaylight.mdsal.dom.api.DOMNotification;
  19 import org.opendaylight.mdsal.dom.api.DOMRpcService;
  20 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  21 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfDeviceCapabilities;
  22 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  23 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  24 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public final class NetconfDeviceSalFacade implements AutoCloseable, RemoteDeviceHandler<NetconfSessionPreferences> {
  29
  30     private static final Logger LOG = LoggerFactory.getLogger(NetconfDeviceSalFacade.class);
  31
  32     private final RemoteDeviceId id;
  33     private final NetconfDeviceSalProvider salProvider;
  34     private final List<AutoCloseable> salRegistrations = new ArrayList<>();
  35
  36     public NetconfDeviceSalFacade(final RemoteDeviceId id, final DOMMountPointService mountPointService,
  37             final DataBroker dataBroker) {
  38         this.id = id;
  39         this.salProvider = new NetconfDeviceSalProvider(id, mountPointService, dataBroker);
  40     }
  41
  42     @VisibleForTesting
  43     NetconfDeviceSalFacade(final RemoteDeviceId id, final NetconfDeviceSalProvider salProvider) {
  44         this.id = id;
  45         this.salProvider = salProvider;
  46     }
  47
  48     @Override
  49     public synchronized void onNotification(final DOMNotification domNotification) {
  50         salProvider.getMountInstance().publish(domNotification);
  51     }
  52
  53     @Override
  54     public synchronized void onDeviceConnected(final SchemaContext schemaContext,
  55                                                final NetconfSessionPreferences netconfSessionPreferences,
  56                                                final DOMRpcService deviceRpc, final DOMActionService deviceAction) {
  57
  58         final DOMDataBroker domBroker =
  59                 new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences);
  60
  61         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  62
  63         salProvider.getMountInstance()
  64                 .onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService, deviceAction);
  65         salProvider.getTopologyDatastoreAdapter()
  66                 .updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  67     }
  68
  69     @Override
  70     public synchronized void onDeviceDisconnected() {
  71         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
  72         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  73     }
  74
  75     @Override
  76     public synchronized void onDeviceFailed(final Throwable throwable) {
  77         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  78         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  79     }
  80
  81     @Override
  82     public synchronized void close() {
  83         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
  84             closeGracefully(reg);
  85         }
  86         closeGracefully(salProvider);
  87     }
  88
  89     @SuppressWarnings("checkstyle:IllegalCatch")
  90     private void closeGracefully(final AutoCloseable resource) {
  91         if (resource != null) {
  92             try {
  93                 resource.close();
  94             } catch (final Exception e) {
  95                 LOG.warn("{}: Ignoring exception while closing {}", id, resource, e);
  96             }
  97         }
  98     }
  99
 100 }