statemanager/impl/src/main/java/org/opendaylight/netvirt/statemanager/StateManager.java

   1 /*
   2  * Copyright (c) 2016 Red Hat, 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.netvirt.statemanager;
  10
  11 import static org.opendaylight.mdsal.binding.util.Datastore.OPERATIONAL;
  12
  13 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  14 import java.util.concurrent.ExecutionException;
  15 import javax.annotation.PostConstruct;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.mdsal.binding.api.DataBroker;
  19 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunner;
  20 import org.opendaylight.mdsal.binding.util.ManagedNewTransactionRunnerImpl;
  21 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
  22 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  23 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  24 import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;
  25 import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  29 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 @Singleton
  36 public class StateManager implements IStateManager {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(StateManager.class);
  39     private final ManagedNewTransactionRunner txRunner;
  40
  41     // This class relies on its arguments being ready, even though it doesn't use them
  42     @SuppressWarnings("unused")
  43     @Inject
  44     public StateManager(final DataBroker dataBroker, final IBgpManager bgpManager, final IElanService elanService,
  45                         final IFibManager fibManager, final INeutronVpnManager neutronVpnManager,
  46                         final IVpnManager vpnManager) {
  47         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  48     }
  49
  50     /**
  51      * Start method called by blueprint.
  52      */
  53     @PostConstruct
  54     public void start() {
  55         setReady(true);
  56     }
  57
  58     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
  59             justification = "https://github.com/spotbugs/spotbugs/issues/811")
  60     private void initializeNetvirtTopology() {
  61         final TopologyId topologyId = new TopologyId("netvirt:1");
  62         InstanceIdentifier<Topology> path =
  63                 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, new TopologyKey(topologyId));
  64         TopologyBuilder tpb = new TopologyBuilder();
  65         tpb.setTopologyId(topologyId);
  66         try {
  67             txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
  68                 tx -> tx.put(path, tpb.build())).get();
  69         } catch (InterruptedException | ExecutionException e) {
  70             LOG.error("StateManager error initializing netvirt topology", e);
  71         }
  72     }
  73
  74     private class WriteTopology implements Runnable {
  75         @Override
  76         public void run() {
  77             try {
  78                 Thread.sleep(5000);
  79             } catch (InterruptedException e) {
  80                 LOG.warn("StateManager thread was interrupted", e);
  81             }
  82             LOG.info("StateManager all is ready");
  83             initializeNetvirtTopology();
  84         }
  85     }
  86
  87     @Override
  88     public void setReady(boolean ready) {
  89         if (ready) {
  90             new Thread(new WriteTopology()).start();
  91         }
  92     }
  93 }