opendaylight/md-sal/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.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.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.common.QName;
  22 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
  23 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  24 import org.osgi.framework.BundleContext;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public final class NetconfDeviceSalFacade implements AutoCloseable, RemoteDeviceHandler<NetconfSessionPreferences> {
  29
  30     private static final Logger logger= LoggerFactory.getLogger(NetconfDeviceSalFacade.class);
  31
  32     private final RemoteDeviceId id;
  33     private final NetconfDeviceSalProvider salProvider;
  34
  35     private final List<AutoCloseable> salRegistrations = Lists.newArrayList();
  36
  37     public NetconfDeviceSalFacade(final RemoteDeviceId id, final Broker domBroker, final BindingAwareBroker bindingBroker, final BundleContext bundleContext) {
  38         this.id = id;
  39         this.salProvider = new NetconfDeviceSalProvider(id);
  40         registerToSal(domBroker, bindingBroker, bundleContext);
  41     }
  42
  43     public void registerToSal(final Broker domRegistryDependency, final BindingAwareBroker bindingBroker, final BundleContext bundleContext) {
  44         domRegistryDependency.registerProvider(salProvider, bundleContext);
  45         bindingBroker.registerProvider(salProvider, bundleContext);
  46     }
  47
  48     @Override
  49     public synchronized void onNotification(final ContainerNode domNotification) {
  50         salProvider.getMountInstance().publish(domNotification);
  51     }
  52
  53     @Override
  54     public synchronized void onDeviceConnected(final SchemaContext schemaContext,
  55                                                final NetconfSessionPreferences netconfSessionPreferences, final DOMRpcService deviceRpc) {
  56
  57         final DOMDataBroker domBroker = new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences);
  58
  59         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  60
  61         salProvider.getMountInstance().onDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  62         salProvider.getDatastoreAdapter().updateDeviceState(true, netconfSessionPreferences.getModuleBasedCaps());
  63         salProvider.getMountInstance().onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  64         salProvider.getTopologyDatastoreAdapter().updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  65     }
  66
  67     @Override
  68     public synchronized void onDeviceDisconnected() {
  69         salProvider.getDatastoreAdapter().updateDeviceState(false, Collections.<QName>emptySet());
  70         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
  71         salProvider.getMountInstance().onDeviceDisconnected();
  72         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  73     }
  74
  75     @Override
  76     public synchronized void onDeviceFailed(final Throwable throwable) {
  77         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  78         salProvider.getMountInstance().onDeviceDisconnected();
  79         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  80     }
  81
  82     @Override
  83     public synchronized void close() {
  84         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
  85             closeGracefully(reg);
  86         }
  87         closeGracefully(salProvider);
  88     }
  89
  90     private void closeGracefully(final AutoCloseable resource) {
  91         if (resource != null) {
  92             try {
  93                 resource.close();
  94             } catch (final Exception e) {
  95                 logger.warn("{}: Ignoring exception while closing {}", id, resource, e);
  96             }
  97         }
  98     }
  99
 100 }