openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/sal/OpenflowPluginProvider.java

   1 /**
   2  * Copyright (c) 2013 Cisco Systems, 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 package org.opendaylight.openflowplugin.openflow.md.core.sal;
   9
  10 import java.util.Collection;
  11 import java.util.Collections;
  12
  13 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ConsumerContext;
  15 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  17 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  18 import org.opendaylight.openflowplugin.openflow.md.core.MDController;
  19 import org.opendaylight.openflowplugin.openflow.md.core.cmd.MessageCountCommandProvider;
  20 import org.opendaylight.openflowplugin.openflow.md.queue.MessageObservatory;
  21 import org.opendaylight.openflowplugin.openflow.md.queue.MessageSpyCounterImpl;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  23 import org.opendaylight.yangtools.yang.binding.DataObject;
  24 import org.opendaylight.yangtools.yang.binding.RpcService;
  25 import org.osgi.framework.BundleContext;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 /**
  30  * OFPlugin provider implementation
  31  */
  32 public class OpenflowPluginProvider implements BindingAwareProvider, AutoCloseable {
  33
  34     private static Logger LOG = LoggerFactory.getLogger(OpenflowPluginProvider.class);
  35
  36     private BindingAwareBroker broker;
  37
  38     private BundleContext context;
  39
  40     private Collection<SwitchConnectionProvider> switchConnectionProviders;
  41
  42     private MDController mdController;
  43
  44     private MessageCountCommandProvider messageCountCommandProvider;
  45
  46     private MessageObservatory<OfHeader, DataObject> messageCountProvider;
  47
  48     private SalRegistrationManager registrationManager;
  49
  50     /**
  51      * @param switchConnectionProvider
  52      */
  53     public void setSwitchConnectionProviders(Collection<SwitchConnectionProvider> switchConnectionProvider) {
  54         this.switchConnectionProviders = switchConnectionProvider;
  55     }
  56
  57     /**
  58      * @return osgi context
  59      */
  60     public BundleContext getContext() {
  61         return context;
  62     }
  63
  64     /**
  65      * dependencymanager requirement
  66      * @param context
  67      *
  68      * @deprecated we should stop relying on osgi to provide cli interface for messageCounter
  69      */
  70     @Deprecated
  71     public void setContext(BundleContext context) {
  72         this.context = context;
  73     }
  74
  75     @Override
  76     public void onSessionInitiated(ProviderContext session) {
  77         LOG.debug("onSessionInitiated");
  78         messageCountProvider = new MessageSpyCounterImpl();
  79         registrationManager = new SalRegistrationManager();
  80         registrationManager.onSessionInitiated(session);
  81         mdController = new MDController();
  82         mdController.setSwitchConnectionProviders(switchConnectionProviders);
  83         mdController.setMessageSpyCounter(messageCountProvider);
  84         mdController.init();
  85         mdController.start();
  86         messageCountCommandProvider = new MessageCountCommandProvider(context, messageCountProvider);
  87         messageCountCommandProvider.onSessionInitiated(session);
  88     }
  89
  90     @Override
  91     public void close() {
  92         LOG.debug("close");
  93         mdController.stop();
  94         mdController = null;
  95         registrationManager.close();
  96         registrationManager = null;
  97         messageCountCommandProvider.close();
  98         messageCountCommandProvider = null;
  99     }
 100
 101     @Override
 102     public void onSessionInitialized(ConsumerContext session) {
 103         // NOOP
 104     }
 105
 106     @Override
 107     public Collection<? extends ProviderFunctionality> getFunctionality() {
 108         return Collections.emptySet();
 109     }
 110
 111     @Override
 112     public java.util.Collection<? extends RpcService> getImplementations() {
 113         return Collections.emptySet();
 114     }
 115
 116     /**
 117      * @return BA default broker
 118      */
 119     public BindingAwareBroker getBroker() {
 120         return broker;
 121     }
 122
 123     /**
 124      * dependencymanager requirement
 125      * @param broker
 126      */
 127     public void setBroker(BindingAwareBroker broker) {
 128         this.broker = broker;
 129     }
 130
 131     /**
 132      * dependencymanager requirement
 133      * @param brokerArg
 134      */
 135     public void unsetBroker(BindingAwareBroker brokerArg) {
 136         this.broker = null;
 137     }
 138
 139     private boolean hasAllDependencies(){
 140         if(this.broker != null && this.switchConnectionProviders != null) {
 141             return true;
 142         }
 143         return false;
 144     }
 145
 146     /**
 147      * register providers for md-sal
 148      */
 149     public void registerProvider() {
 150         //FIXME: is it needed
 151         if(hasAllDependencies()) {
 152             this.broker.registerProvider(this,context);
 153         }
 154     }
 155  }