netconf/callhome-provider/src/main/java/org/opendaylight/netconf/callhome/mount/CallHomeMountDispatcher.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communication Systems 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.callhome.mount;
  10
  11 import io.netty.util.concurrent.EventExecutor;
  12 import io.netty.util.concurrent.FailedFuture;
  13 import io.netty.util.concurrent.Future;
  14 import java.net.InetSocketAddress;
  15 import org.opendaylight.controller.config.threadpool.ScheduledThreadPool;
  16 import org.opendaylight.controller.config.threadpool.ThreadPool;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
  19 import org.opendaylight.netconf.callhome.mount.CallHomeMountSessionContext.CloseCallback;
  20 import org.opendaylight.netconf.callhome.protocol.CallHomeChannelActivator;
  21 import org.opendaylight.netconf.callhome.protocol.CallHomeNetconfSubsystemListener;
  22 import org.opendaylight.netconf.callhome.protocol.CallHomeProtocolSessionContext;
  23 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  24 import org.opendaylight.netconf.client.NetconfClientSession;
  25 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
  26 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
  27 import org.opendaylight.netconf.topology.api.SchemaRepositoryProvider;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class CallHomeMountDispatcher implements NetconfClientDispatcher, CallHomeNetconfSubsystemListener {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(CallHomeMountDispatcher.class);
  36
  37     private final String topologyId;
  38     private final EventExecutor eventExecutor;
  39     private final ScheduledThreadPool keepaliveExecutor;
  40     private final ThreadPool processingExecutor;
  41     private final SchemaRepositoryProvider schemaRepositoryProvider;
  42     private final CallHomeMountSessionManager sessionManager;
  43     private final DataBroker dataBroker;
  44     private final DOMMountPointService mountService;
  45
  46     protected CallHomeTopology topology;
  47
  48     private final CloseCallback onCloseHandler = new CloseCallback() {
  49         @Override
  50         public void onClosed(final CallHomeMountSessionContext deviceContext) {
  51             LOG.info("Removing {} from Netconf Topology.", deviceContext.getId());
  52             topology.disconnectNode(deviceContext.getId());
  53         }
  54     };
  55
  56     public CallHomeMountDispatcher(final String topologyId, final EventExecutor eventExecutor,
  57                                    final ScheduledThreadPool keepaliveExecutor, final ThreadPool processingExecutor,
  58                                    final SchemaRepositoryProvider schemaRepositoryProvider, final DataBroker dataBroker,
  59                                    final DOMMountPointService mountService) {
  60         this.topologyId = topologyId;
  61         this.eventExecutor = eventExecutor;
  62         this.keepaliveExecutor = keepaliveExecutor;
  63         this.processingExecutor = processingExecutor;
  64         this.schemaRepositoryProvider = schemaRepositoryProvider;
  65         this.sessionManager = new CallHomeMountSessionManager();
  66         this.dataBroker = dataBroker;
  67         this.mountService = mountService;
  68     }
  69
  70     @Override
  71     public Future<NetconfClientSession> createClient(final NetconfClientConfiguration clientConfiguration) {
  72         return activateChannel(clientConfiguration);
  73     }
  74
  75     @Override
  76     public Future<Void> createReconnectingClient(final NetconfReconnectingClientConfiguration clientConfiguration) {
  77         return activateChannel(clientConfiguration);
  78     }
  79
  80     private <V> Future<V> activateChannel(final NetconfClientConfiguration conf) {
  81         final InetSocketAddress remoteAddr = conf.getAddress();
  82         final CallHomeMountSessionContext context = getSessionManager().getByAddress(remoteAddr);
  83         LOG.info("Activating NETCONF channel for ip {} device context {}", remoteAddr, context);
  84         if (context == null) {
  85             return new FailedFuture<>(eventExecutor, new NullPointerException());
  86         }
  87         return context.activateNetconfChannel(conf.getSessionListener());
  88     }
  89
  90     void createTopology() {
  91         this.topology = new CallHomeTopology(topologyId, this, eventExecutor, keepaliveExecutor, processingExecutor,
  92                 schemaRepositoryProvider, dataBroker, mountService);
  93     }
  94
  95     @Override
  96     public void onNetconfSubsystemOpened(final CallHomeProtocolSessionContext session,
  97                                          final CallHomeChannelActivator activator) {
  98         final CallHomeMountSessionContext deviceContext =
  99                 getSessionManager().createSession(session, activator, onCloseHandler);
 100         final NodeId nodeId = deviceContext.getId();
 101         final Node configNode = deviceContext.getConfigNode();
 102         LOG.info("Provisioning fake config {}", configNode);
 103         topology.connectNode(nodeId, configNode);
 104     }
 105
 106     public CallHomeMountSessionManager getSessionManager() {
 107         return sessionManager;
 108     }
 109 }