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.dom.api.DOMDataBroker;
  14 import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  17 import org.opendaylight.controller.sal.core.api.Broker;
  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
  33     private final List<AutoCloseable> salRegistrations = Lists.newArrayList();
  34
  35     public NetconfDeviceSalFacade(final RemoteDeviceId id, final Broker domBroker, final BindingAwareBroker bindingBroker) {
  36         this.id = id;
  37         this.salProvider = new NetconfDeviceSalProvider(id);
  38         registerToSal(domBroker, bindingBroker);
  39     }
  40
  41     @VisibleForTesting
  42     NetconfDeviceSalFacade(final RemoteDeviceId id, NetconfDeviceSalProvider salProvider,
  43                            final Broker domBroker, final BindingAwareBroker bindingBroker) {
  44         this.id = id;
  45         this.salProvider = salProvider;
  46         registerToSal(domBroker, bindingBroker);
  47     }
  48
  49     public void registerToSal(final Broker domRegistryDependency, final BindingAwareBroker bindingBroker) {
  50         domRegistryDependency.registerProvider(salProvider);
  51         bindingBroker.registerProvider(salProvider);
  52     }
  53
  54     @Override
  55     public synchronized void onNotification(final DOMNotification domNotification) {
  56         salProvider.getMountInstance().publish(domNotification);
  57     }
  58
  59     @Override
  60     public synchronized void onDeviceConnected(final SchemaContext schemaContext,
  61                                                final NetconfSessionPreferences netconfSessionPreferences, final DOMRpcService deviceRpc) {
  62
  63         final DOMDataBroker domBroker = new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences);
  64
  65         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  66
  67         salProvider.getMountInstance().onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  68         salProvider.getTopologyDatastoreAdapter().updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  69     }
  70
  71     @Override
  72     public synchronized void onDeviceDisconnected() {
  73         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
  74         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  75     }
  76
  77     @Override
  78     public synchronized void onDeviceFailed(final Throwable throwable) {
  79         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  80         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  81     }
  82
  83     @Override
  84     public synchronized void close() {
  85         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
  86             closeGracefully(reg);
  87         }
  88         closeGracefully(salProvider);
  89     }
  90
  91     private void closeGracefully(final AutoCloseable resource) {
  92         if (resource != null) {
  93             try {
  94                 resource.close();
  95             } catch (final Exception e) {
  96                 LOG.warn("{}: Ignoring exception while closing {}", id, resource, e);
  97             }
  98         }
  99     }
 100
 101 }