opendaylight/netconf/sal-netconf-connector/src/main/java/org/opendaylight/controller/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.controller.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.connect.api.RemoteDeviceHandler;
  17 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfDeviceCapabilities;
  18 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfSessionPreferences;
  19 import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
  20 import org.opendaylight.controller.sal.core.api.Broker;
  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     private final long defaultRequestTimeoutMillis;
  32
  33     private final List<AutoCloseable> salRegistrations = Lists.newArrayList();
  34
  35     public NetconfDeviceSalFacade(final RemoteDeviceId id, final Broker domBroker, final BindingAwareBroker bindingBroker, long defaultRequestTimeoutMillis) {
  36         this.id = id;
  37         this.salProvider = new NetconfDeviceSalProvider(id);
  38         this.defaultRequestTimeoutMillis = defaultRequestTimeoutMillis;
  39         registerToSal(domBroker, bindingBroker);
  40     }
  41
  42     public void registerToSal(final Broker domRegistryDependency, final BindingAwareBroker bindingBroker) {
  43         domRegistryDependency.registerProvider(salProvider);
  44         bindingBroker.registerProvider(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, final DOMRpcService deviceRpc) {
  55
  56         final DOMDataBroker domBroker = new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences, defaultRequestTimeoutMillis);
  57
  58         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  59
  60         salProvider.getMountInstance().onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  61         salProvider.getTopologyDatastoreAdapter().updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  62     }
  63
  64     @Override
  65     public synchronized void onDeviceDisconnected() {
  66         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false,
  67                 new NetconfDeviceCapabilities());
  68         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  69     }
  70
  71     @Override
  72     public synchronized void onDeviceFailed(final Throwable throwable) {
  73         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  74         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  75     }
  76
  77     @Override
  78     public synchronized void close() {
  79         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
  80             closeGracefully(reg);
  81         }
  82         closeGracefully(salProvider);
  83     }
  84
  85     private void closeGracefully(final AutoCloseable resource) {
  86         if (resource != null) {
  87             try {
  88                 resource.close();
  89             } catch (final Exception e) {
  90                 LOG.warn("{}: Ignoring exception while closing {}", id,
  91                         resource, e);
  92             }
  93         }
  94     }
  95
  96 }