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