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