openstack/net-virt-providers/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/providers/openflow13/MdsalConsumerImpl.java

   1 /*
   2  * Copyright (C) 2013 Red Hat, Inc.
   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  * Authors : Madhu Venugopal
   9  */
  10
  11 package org.opendaylight.ovsdb.openstack.netvirt.providers.openflow13;
  12
  13 import org.apache.felix.dm.Component;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ConsumerContext;
  17 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareConsumer;
  19 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  20 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  21 import org.opendaylight.ovsdb.openstack.netvirt.api.Action;
  22 import org.osgi.framework.BundleContext;
  23 import org.slf4j.Logger;
  24 import org.slf4j.LoggerFactory;
  25 public class MdsalConsumerImpl implements BindingAwareConsumer, MdsalConsumer, BindingAwareProvider {
  26
  27     private BundleContext ctx = null;
  28     private volatile BindingAwareBroker broker;
  29     private ConsumerContext consumerContext = null;
  30     private DataBroker dataBroker;
  31     private NotificationProviderService notificationService;
  32     private FlowCapableNodeDataChangeListener flowCapableNodeChangeListener;
  33
  34     static final Logger logger = LoggerFactory.getLogger(MdsalConsumerImpl.class);
  35
  36     void init(Component c) {
  37         this.ctx = c.getDependencyManager().getBundleContext();
  38         logger.info("Open vSwitch OpenFlow 1.3 Neutron Networking Provider Registered with MD-SAL");
  39         broker.registerConsumer(this, this.ctx);
  40         broker.registerProvider(this, this.ctx);
  41     }
  42
  43     void destroy() {
  44         // Now lets close MDSAL session
  45         if (this.consumerContext != null) {
  46             //this.consumerContext.close();
  47             this.dataBroker = null;
  48             this.consumerContext = null;
  49         }
  50     }
  51
  52     void start() {
  53     }
  54
  55     void stop() {
  56     }
  57
  58     @Override
  59     public void onSessionInitialized(ConsumerContext session) {
  60         this.consumerContext = session;
  61         dataBroker = session.getSALService(DataBroker.class);
  62         logger.info("OVSDB Neutron Session Initialized with CONSUMER CONTEXT {}", session.toString());
  63         //flowCapableNodeChangeListener = new FlowCapableNodeDataChangeListener(dataBroker);
  64     }
  65
  66     @Override
  67     public ConsumerContext getConsumerContext() {
  68         return consumerContext;
  69     }
  70     @Override
  71     public DataBroker getDataBroker() {
  72         return dataBroker;
  73     }
  74     @Override
  75     public NotificationProviderService getNotificationService() {
  76         return notificationService;
  77     }
  78
  79     @Override
  80     public void onSessionInitiated(ProviderContext session) {
  81         notificationService = session.getSALService(NotificationProviderService.class);
  82     }
  83
  84     @Override
  85     public void notifyFlowCapableNodeCreateEvent(String openFlowId, Action action) {
  86         if (flowCapableNodeChangeListener != null) {
  87             flowCapableNodeChangeListener.notifyFlowCapableNodeEvent(openFlowId, action);
  88         }
  89     }
  90 }