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.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.connect.api.RemoteDeviceHandler;
  18 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfDeviceCapabilities;
  19 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfSessionPreferences;
  20 import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
  21 import org.opendaylight.controller.sal.core.api.Broker;
  22 import org.opendaylight.yangtools.yang.common.QName;
  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     private final long defaultRequestTimeoutMillis;
  35
  36     private final List<AutoCloseable> salRegistrations = Lists.newArrayList();
  37
  38     public NetconfDeviceSalFacade(final RemoteDeviceId id, final Broker domBroker, final BindingAwareBroker bindingBroker, final BundleContext bundleContext, long defaultRequestTimeoutMillis) {
  39         this.id = id;
  40         this.salProvider = new NetconfDeviceSalProvider(id);
  41         this.defaultRequestTimeoutMillis = defaultRequestTimeoutMillis;
  42         registerToSal(domBroker, bindingBroker, bundleContext);
  43     }
  44
  45     public void registerToSal(final Broker domRegistryDependency, final BindingAwareBroker bindingBroker, final BundleContext bundleContext) {
  46         domRegistryDependency.registerProvider(salProvider, bundleContext);
  47         bindingBroker.registerProvider(salProvider, bundleContext);
  48     }
  49
  50     @Override
  51     public synchronized void onNotification(final DOMNotification domNotification) {
  52         salProvider.getMountInstance().publish(domNotification);
  53     }
  54
  55     @Override
  56     public synchronized void onDeviceConnected(final SchemaContext schemaContext,
  57                                                final NetconfSessionPreferences netconfSessionPreferences, final DOMRpcService deviceRpc) {
  58
  59         final DOMDataBroker domBroker = new NetconfDeviceDataBroker(id, schemaContext, deviceRpc, netconfSessionPreferences, defaultRequestTimeoutMillis);
  60
  61         final NetconfDeviceNotificationService notificationService = new NetconfDeviceNotificationService();
  62
  63         salProvider.getMountInstance().onDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  64         salProvider.getDatastoreAdapter().updateDeviceState(true, netconfSessionPreferences.getModuleBasedCaps());
  65         salProvider.getMountInstance().onTopologyDeviceConnected(schemaContext, domBroker, deviceRpc, notificationService);
  66         salProvider.getTopologyDatastoreAdapter().updateDeviceData(true, netconfSessionPreferences.getNetconfDeviceCapabilities());
  67     }
  68
  69     @Override
  70     public synchronized void onDeviceDisconnected() {
  71         salProvider.getDatastoreAdapter().updateDeviceState(false, Collections.<QName>emptySet());
  72         salProvider.getTopologyDatastoreAdapter().updateDeviceData(false, new NetconfDeviceCapabilities());
  73         salProvider.getMountInstance().onDeviceDisconnected();
  74         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  75     }
  76
  77     @Override
  78     public synchronized void onDeviceFailed(final Throwable throwable) {
  79         salProvider.getTopologyDatastoreAdapter().setDeviceAsFailed(throwable);
  80         salProvider.getMountInstance().onDeviceDisconnected();
  81         salProvider.getMountInstance().onTopologyDeviceDisconnected();
  82     }
  83
  84     @Override
  85     public synchronized void close() {
  86         for (final AutoCloseable reg : Lists.reverse(salRegistrations)) {
  87             closeGracefully(reg);
  88         }
  89         closeGracefully(salProvider);
  90     }
  91
  92     private void closeGracefully(final AutoCloseable resource) {
  93         if (resource != null) {
  94             try {
  95                 resource.close();
  96             } catch (final Exception e) {
  97                 logger.warn("{}: Ignoring exception while closing {}", id, resource, e);
  98             }
  99         }
 100     }
 101
 102 }