netconf/netconf-topology/src/main/java/org/opendaylight/netconf/topology/impl/NetconfTopologyImpl.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.netconf.topology.impl;
  10
  11 import com.google.common.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import io.netty.util.concurrent.EventExecutor;
  14 import java.util.Collection;
  15 import javax.annotation.Nonnull;
  16 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  17 import org.opendaylight.controller.config.threadpool.ThreadPool;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
  21 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  22 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  23 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  26 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  27 import org.opendaylight.controller.sal.core.api.Broker;
  28 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  29 import org.opendaylight.netconf.sal.connect.api.RemoteDeviceHandler;
  30 import org.opendaylight.netconf.sal.connect.netconf.listener.NetconfSessionPreferences;
  31 import org.opendaylight.netconf.sal.connect.netconf.sal.NetconfDeviceSalFacade;
  32 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  33 import org.opendaylight.netconf.topology.AbstractNetconfTopology;
  34 import org.opendaylight.netconf.topology.SchemaRepositoryProvider;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopologyBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  42 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  43 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  44 import org.slf4j.Logger;
  45 import org.slf4j.LoggerFactory;
  46
  47 public class NetconfTopologyImpl extends AbstractNetconfTopology implements DataTreeChangeListener<Node>, AutoCloseable {
  48
  49     private static final Logger LOG = LoggerFactory.getLogger(NetconfTopologyImpl.class);
  50
  51         private ListenerRegistration<NetconfTopologyImpl> datastoreListenerRegistration = null;
  52
  53     public NetconfTopologyImpl(final String topologyId, final NetconfClientDispatcher clientDispatcher,
  54                                final BindingAwareBroker bindingAwareBroker, final Broker domBroker,
  55                                final EventExecutor eventExecutor, final ScheduledThreadPool keepaliveExecutor,
  56                                final ThreadPool processingExecutor, final SchemaRepositoryProvider schemaRepositoryProvider) {
  57         super(topologyId, clientDispatcher,
  58                 bindingAwareBroker, domBroker, eventExecutor,
  59                 keepaliveExecutor, processingExecutor, schemaRepositoryProvider);
  60         registerToSal(this, this);
  61     }
  62
  63     @Override
  64     public void close() throws Exception {
  65         // close all existing connectors, delete whole topology in datastore?
  66         for (NetconfConnectorDTO connectorDTO : activeConnectors.values()) {
  67             connectorDTO.getCommunicator().close();
  68         }
  69         activeConnectors.clear();
  70
  71         if (datastoreListenerRegistration != null) {
  72             datastoreListenerRegistration.close();
  73             datastoreListenerRegistration = null;
  74         }
  75     }
  76
  77     @Override
  78     protected RemoteDeviceHandler<NetconfSessionPreferences> createSalFacade(RemoteDeviceId id, Broker domBroker, BindingAwareBroker bindingBroker) {
  79         return new NetconfDeviceSalFacade(id, domBroker, bindingAwareBroker);
  80     }
  81
  82     @Override
  83     public void onSessionInitiated(ProviderContext session) {
  84         dataBroker = session.getSALService(DataBroker.class);
  85
  86         final WriteTransaction wtx = dataBroker.newWriteOnlyTransaction();
  87         initTopology(wtx, LogicalDatastoreType.CONFIGURATION);
  88         initTopology(wtx, LogicalDatastoreType.OPERATIONAL);
  89         Futures.addCallback(wtx.submit(), new FutureCallback<Void>() {
  90             @Override
  91             public void onSuccess(Void result) {
  92                 LOG.debug("topology initialization successful");
  93             }
  94
  95             @Override
  96             public void onFailure(Throwable t) {
  97                 LOG.error("Unable to initialize netconf-topology, {}", t);
  98             }
  99         });
 100
 101         LOG.debug("Registering datastore listener");
 102         datastoreListenerRegistration =
 103                 dataBroker.registerDataTreeChangeListener(
 104                         new DataTreeIdentifier<>(LogicalDatastoreType.CONFIGURATION,
 105                                 TopologyUtil.createTopologyListPath(topologyId).child(Node.class)), this);
 106
 107
 108     }
 109
 110     @Override
 111     public void onDataTreeChanged(@Nonnull Collection<DataTreeModification<Node>> collection) {
 112         for (DataTreeModification<Node> change : collection) {
 113             final DataObjectModification<Node> rootNode = change.getRootNode();
 114             switch (rootNode.getModificationType()) {
 115                 case SUBTREE_MODIFIED:
 116                     LOG.debug("Config for node {} updated", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 117                     disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 118                     connectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 119                     break;
 120                 case WRITE:
 121                     LOG.debug("Config for node {} created", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 122                     if (activeConnectors.containsKey(TopologyUtil.getNodeId(rootNode.getIdentifier()))) {
 123                         LOG.warn("RemoteDevice{{}} was already configured, reconfiguring..", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 124                         disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 125                     }
 126                     connectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()), rootNode.getDataAfter());
 127                     break;
 128                 case DELETE:
 129                     LOG.debug("Config for node {} deleted", TopologyUtil.getNodeId(rootNode.getIdentifier()));
 130                     disconnectNode(TopologyUtil.getNodeId(rootNode.getIdentifier()));
 131                     break;
 132             }
 133         }
 134     }
 135
 136     private void initTopology(final WriteTransaction wtx, final LogicalDatastoreType datastoreType) {
 137         final NetworkTopology networkTopology = new NetworkTopologyBuilder().build();
 138         final InstanceIdentifier<NetworkTopology> networkTopologyId = InstanceIdentifier.builder(NetworkTopology.class).build();
 139         wtx.merge(datastoreType, networkTopologyId, networkTopology);
 140         final Topology topology = new TopologyBuilder().setTopologyId(new TopologyId(topologyId)).build();
 141         wtx.merge(datastoreType, networkTopologyId.child(Topology.class, new TopologyKey(new TopologyId(topologyId))), topology);
 142     }
 143
 144 }