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 com.google.common.util.concurrent.CheckedFuture;
  12 import javax.annotation.PostConstruct;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
  20 import org.opendaylight.netvirt.elanmanager.api.IElanService;
  21 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  22 import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;
  23 import org.opendaylight.netvirt.vpnmanager.api.IVpnManager;
  24 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 @Singleton
  34 public class StateManager implements IStateManager {
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(StateManager.class);
  37     private final DataBroker dataBroker;
  38
  39     @Inject
  40     public StateManager(final DataBroker databroker, final IBgpManager bgpManager, final IElanService elanService,
  41                         final IFibManager fibManager, final INeutronVpnManager neutronVpnManager,
  42                         final IVpnManager vpnManager) {
  43         this.dataBroker = databroker;
  44     }
  45
  46     /**
  47      * Start method called by blueprint.
  48      */
  49     @PostConstruct
  50     public void start() {
  51         setReady(true);
  52     }
  53
  54     /**
  55      * Executes put as a blocking transaction.
  56      *
  57      * @param logicalDatastoreType {@link LogicalDatastoreType} which should be modified
  58      * @param path {@link InstanceIdentifier} for path to read
  59      * @param <D> the data object type
  60      * @return the result of the request
  61      */
  62     public <D extends org.opendaylight.yangtools.yang.binding.DataObject> boolean put(
  63             final LogicalDatastoreType logicalDatastoreType, final InstanceIdentifier<D> path, D data)  {
  64         boolean result = false;
  65         final WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  66         transaction.put(logicalDatastoreType, path, data, WriteTransaction.CREATE_MISSING_PARENTS);
  67         CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
  68         try {
  69             future.checkedGet();
  70             result = true;
  71         } catch (TransactionCommitFailedException e) {
  72             LOG.warn("StateManager failed to put {} ", path, e);
  73         }
  74         return result;
  75     }
  76
  77     private void initializeNetvirtTopology() {
  78         final TopologyId topologyId = new TopologyId("netvirt:1");
  79         InstanceIdentifier<Topology> path =
  80                 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, new TopologyKey(topologyId));
  81         TopologyBuilder tpb = new TopologyBuilder();
  82         tpb.setTopologyId(topologyId);
  83         if (!put(LogicalDatastoreType.OPERATIONAL, path, tpb.build())) {
  84             LOG.error("StateManager error initializing netvirt topology");
  85         }
  86     }
  87
  88     private class WriteTopology implements Runnable {
  89         @Override
  90         public void run() {
  91             try {
  92                 Thread.sleep(5000);
  93             } catch (InterruptedException e) {
  94                 LOG.warn("StateManager thread was interrupted", e);
  95             }
  96             LOG.info("StateManager all is ready");
  97             initializeNetvirtTopology();
  98         }
  99     }
 100
 101     @Override
 102     public void setReady(boolean ready) {
 103         if (ready) {
 104             new Thread(new WriteTopology()).start();
 105         }
 106     }
 107 }