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