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.controller.sal.binding.api.BindingAwareBroker;
  20 import org.opendaylight.controller.sal.core.api.Broker;
  21 import org.opendaylight.netconf.callhome.mount.CallHomeMountSessionContext.CloseCallback;
  22 import org.opendaylight.netconf.callhome.protocol.CallHomeChannelActivator;
  23 import org.opendaylight.netconf.callhome.protocol.CallHomeNetconfSubsystemListener;
  24 import org.opendaylight.netconf.callhome.protocol.CallHomeProtocolSessionContext;
  25 import org.opendaylight.netconf.client.NetconfClientDispatcher;
  26 import org.opendaylight.netconf.client.NetconfClientSession;
  27 import org.opendaylight.netconf.client.conf.NetconfClientConfiguration;
  28 import org.opendaylight.netconf.client.conf.NetconfReconnectingClientConfiguration;
  29 import org.opendaylight.netconf.topology.api.SchemaRepositoryProvider;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  31 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35
  36 public class CallHomeMountDispatcher implements NetconfClientDispatcher, CallHomeNetconfSubsystemListener {
  37
  38     private final static Logger LOG = LoggerFactory.getLogger(CallHomeMountDispatcher.class);
  39
  40     private final String topologyId;
  41     private final BindingAwareBroker bindingAwareBroker;
  42     private final EventExecutor eventExecutor;
  43     private final ScheduledThreadPool keepaliveExecutor;
  44     private final ThreadPool processingExecutor;
  45     private final SchemaRepositoryProvider schemaRepositoryProvider;
  46     private final org.opendaylight.controller.sal.core.api.Broker domBroker;
  47     private final CallHomeMountSessionManager sessionManager;
  48     private final DataBroker dataBroker;
  49     private final DOMMountPointService mountService;
  50
  51
  52     private CallHomeTopology topology;
  53
  54     private final CloseCallback onCloseHandler = new CloseCallback() {
  55
  56         @Override
  57         public void onClosed(CallHomeMountSessionContext deviceContext) {
  58             LOG.info("Removing {} from Netconf Topology.", deviceContext.getId());
  59             topology.disconnectNode(deviceContext.getId());
  60         }
  61     };
  62
  63
  64     public CallHomeMountDispatcher(String topologyId, BindingAwareBroker bindingAwareBroker,
  65             EventExecutor eventExecutor, ScheduledThreadPool keepaliveExecutor, ThreadPool processingExecutor,
  66             SchemaRepositoryProvider schemaRepositoryProvider, Broker domBroker, DataBroker dataBroker, DOMMountPointService mountService) {
  67         this.topologyId = topologyId;
  68         this.bindingAwareBroker = bindingAwareBroker;
  69         this.eventExecutor = eventExecutor;
  70         this.keepaliveExecutor = keepaliveExecutor;
  71         this.processingExecutor = processingExecutor;
  72         this.schemaRepositoryProvider = schemaRepositoryProvider;
  73         this.domBroker = domBroker;
  74         this.sessionManager = new CallHomeMountSessionManager();
  75         this.dataBroker = dataBroker;
  76         this.mountService = mountService;
  77     }
  78
  79
  80     @Override
  81     public Future<NetconfClientSession> createClient(NetconfClientConfiguration clientConfiguration) {
  82         return activateChannel(clientConfiguration);
  83     }
  84
  85     @Override
  86     public Future<Void> createReconnectingClient(NetconfReconnectingClientConfiguration clientConfiguration) {
  87         return activateChannel(clientConfiguration);
  88     }
  89
  90     private <V> Future<V> activateChannel(NetconfClientConfiguration conf) {
  91         InetSocketAddress remoteAddr = conf.getAddress();
  92         CallHomeMountSessionContext context = sessionManager.getByAddress(remoteAddr);
  93         LOG.info("Activating NETCONF channel for ip {} device context {}", remoteAddr, context);
  94         if (context == null) {
  95             return new FailedFuture<>(eventExecutor, new NullPointerException());
  96         }
  97         return context.activateNetconfChannel(conf.getSessionListener());
  98     }
  99
 100     void createTopology() {
 101         this.topology = new CallHomeTopology(topologyId, this, bindingAwareBroker, domBroker, eventExecutor,
 102                 keepaliveExecutor, processingExecutor, schemaRepositoryProvider, dataBroker, mountService);
 103     }
 104
 105     @Override
 106     public void onNetconfSubsystemOpened(CallHomeProtocolSessionContext session, CallHomeChannelActivator activator) {
 107         CallHomeMountSessionContext deviceContext = sessionManager.createSession(session, activator, onCloseHandler);
 108         NodeId nodeId = deviceContext.getId();
 109         Node configNode = deviceContext.getConfigNode();
 110         LOG.info("Provisioning fake config {}", configNode);
 111         topology.connectNode(nodeId, configNode);
 112     }
 113
 114     public CallHomeMountSessionManager getSessionManager() {
 115         return sessionManager;
 116     }
 117 }