opendaylight/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.Collections;
  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.common.QName;
  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 long defaultRequestTimeoutMillis;
  34
  35     private final List<AutoCloseable> salRegistrations = Lists.newArrayList();
  36
  37     public NetconfDeviceSalFacade(final RemoteDeviceId id, final Broker domBroker, final BindingAwareBroker bindingBroker, long defaultRequestTimeoutMillis) {
  38         this.id = id;
  39         this.salProvider = new NetconfDeviceSalProvider(id);
  40         this.defaultRequestTimeoutMillis = defaultRequestTimeoutMillis;
  41         registerToSal(domBroker, bindingBroker);
  42     }
  43
  44     public void registerToSal(final Broker domRegistryDependency, final BindingAwareBroker bindingBroker) {
  45         domRegistryDependency.registerProvider(salProvider);
  46         bindingBroker.registerProvider(salProvider);
  47     }
  48
  49     @Override
  50     public synchronized void onNotification(final DOMNotification domNotification) {
  51         salProvider.getMountInstance().publish(domNotification);
  52     }
  53
  54     @Override
  55     public synchronized void onDeviceConnected(final SchemaContext schemaContext,
  56                                                final NetconfSessionPreferences netconfSessionPreferences, final DOMRpcService deviceRpc) {
  57
  58         final DOMDataBroker domBroker = new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences, defaultRequestTimeoutMillis);
  59
  60         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  61
  62         salProvider.getMountInstance().onDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  63         salProvider.getDatastoreAdapter().updateDeviceState(true, netconfSessionPreferences.getModuleBasedCaps());
  64         salProvider.getMountInstance().onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  65         salProvider.getTopologyDatastoreAdapter().updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  66     }
  67
  68     @Override
  69     public synchronized void onDeviceDisconnected() {
  70         salProvider.getDatastoreAdapter().updateDeviceState(false, Collections.<QName>emptySet());
  71         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
  72         salProvider.getMountInstance().onDeviceDisconnected();
  73         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  74     }
  75
  76     @Override
  77     public synchronized void onDeviceFailed(final Throwable throwable) {
  78         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  79         salProvider.getMountInstance().onDeviceDisconnected();
  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 }