openstack/net-virt/src/main/java/org/opendaylight/netvirt/openstack/netvirt/NetvirtProvider.java

   1 /*
   2  * Copyright (c) 2015 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.openstack.netvirt;
  10
  11 import com.google.common.base.Optional;
  12 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
  13 import org.opendaylight.netvirt.openstack.netvirt.api.Constants;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
  16 import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
  17 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  19 import org.osgi.framework.BundleContext;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 /**
  24  * @author Sam Hague (shague@redhat.com)
  25  */
  26 public class NetvirtProvider implements BindingAwareProvider, AutoCloseable {
  27     private static final Logger LOG = LoggerFactory.getLogger(NetvirtProvider.class);
  28     private BundleContext bundleContext = null;
  29     private static DataBroker dataBroker = null;
  30     private ConfigActivator activator;
  31     private static EntityOwnershipService entityOwnershipService;
  32     private static final Entity ownerInstanceEntity = new Entity(
  33             Constants.NETVIRT_OWNER_ENTITY_TYPE, Constants.NETVIRT_OWNER_ENTITY_TYPE);
  34     private boolean conntrackEnabled = false;
  35     private boolean intBridgeGenMac;
  36
  37     public NetvirtProvider(BundleContext bundleContext, EntityOwnershipService eos) {
  38         LOG.info("NetvirtProvider: bundleContext: {}", bundleContext);
  39         this.bundleContext = bundleContext;
  40         entityOwnershipService = eos;
  41     }
  42
  43     public static boolean isMasterProviderInstance() {
  44         if (entityOwnershipService != null) {
  45             Optional<EntityOwnershipState> state = entityOwnershipService.getOwnershipState(ownerInstanceEntity);
  46             return state.isPresent() && state.get().isOwner();
  47         }
  48         return false;
  49     }
  50
  51     public static boolean isMasterElected(){
  52         if (entityOwnershipService != null) {
  53             Optional<EntityOwnershipState> state = entityOwnershipService.getOwnershipState(ownerInstanceEntity);
  54             return state.isPresent() && state.get().hasOwner();
  55         }
  56         return false;
  57     }
  58
  59     @Override
  60     public void close() throws Exception {
  61         LOG.info("NetvirtProvider closed");
  62         activator.stop(bundleContext);
  63     }
  64
  65     @Override
  66     public void onSessionInitiated(ProviderContext providerContext) {
  67         dataBroker = providerContext.getSALService(DataBroker.class);
  68         LOG.info("NetvirtProvider: onSessionInitiated dataBroker: {}", dataBroker);
  69         LOG.info("NetvirtProvider: onSessionInitiated isConntrackEnabled: {}", this.conntrackEnabled);
  70         this.activator = new ConfigActivator(providerContext);
  71         activator.setConntrackEnabled(this.conntrackEnabled);
  72         activator.setIntBridgeGenMac(this.intBridgeGenMac);
  73         try {
  74             activator.start(bundleContext);
  75         } catch (Exception e) {
  76             LOG.warn("Failed to start Netvirt: ", e);
  77         }
  78     }
  79
  80     public boolean isConntrackEnabled() {
  81         return conntrackEnabled;
  82     }
  83
  84     public void setConntrackEnabled(boolean conntackEnabled) {
  85         this.conntrackEnabled = conntackEnabled;
  86     }
  87
  88     public boolean getIntBridgeGenMac() {
  89         return intBridgeGenMac;
  90     }
  91
  92     public void setIntBridgeGenMac(boolean intBridgeGenMac) {
  93         this.intBridgeGenMac = intBridgeGenMac;
  94     }
  95 }