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 org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  12 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  13 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  14 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  15 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterRegistrator;
  16 import org.opendaylight.openflowplugin.openflow.md.core.MDController;
  17 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManager;
  18 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManagerImpl;
  19 import org.opendaylight.openflowplugin.api.statistics.MessageCountDumper;
  20 import org.opendaylight.openflowplugin.api.statistics.MessageObservatory;
  21 import org.opendaylight.openflowplugin.statistics.MessageSpyCounterImpl;
  22 import org.opendaylight.yangtools.yang.binding.DataContainer;
  23 import org.osgi.framework.BundleContext;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * OFPlugin provider implementation
  29  */
  30 public class OpenflowPluginProvider implements BindingAwareProvider, AutoCloseable {
  31
  32     private static final Logger LOG = LoggerFactory.getLogger(OpenflowPluginProvider.class);
  33
  34     private BindingAwareBroker broker;
  35
  36     private BundleContext context;
  37
  38     private Collection<SwitchConnectionProvider> switchConnectionProviders;
  39
  40     private MDController mdController;
  41
  42     private MessageObservatory<DataContainer> messageCountProvider;
  43
  44     private SalRegistrationManager registrationManager;
  45
  46     private ExtensionConverterManager extensionConverterManager;
  47
  48     /**
  49      * Initialization of services and msgSpy counter
  50      */
  51     public void initialization() {
  52         messageCountProvider = new MessageSpyCounterImpl();
  53         extensionConverterManager = new ExtensionConverterManagerImpl();
  54         this.registerProvider();
  55     }
  56
  57     /**
  58      * @param switchConnectionProvider
  59      */
  60     public void setSwitchConnectionProviders(Collection<SwitchConnectionProvider> switchConnectionProvider) {
  61         this.switchConnectionProviders = switchConnectionProvider;
  62     }
  63
  64     /**
  65      * @return osgi context
  66      */
  67     public BundleContext getContext() {
  68         return context;
  69     }
  70
  71     @Override
  72     public void onSessionInitiated(ProviderContext session) {
  73         LOG.debug("onSessionInitiated");
  74         registrationManager = new SalRegistrationManager();
  75         registrationManager.onSessionInitiated(session);
  76         mdController = new MDController();
  77         mdController.setSwitchConnectionProviders(switchConnectionProviders);
  78         mdController.setMessageSpyCounter(messageCountProvider);
  79         mdController.setExtensionConverterProvider(extensionConverterManager);
  80         mdController.init();
  81         mdController.start();
  82     }
  83
  84     @Override
  85     public void close() {
  86         LOG.debug("close");
  87         mdController.stop();
  88         mdController = null;
  89         registrationManager.close();
  90         registrationManager = null;
  91     }
  92
  93     /**
  94      * @return BA default broker
  95      */
  96     public BindingAwareBroker getBroker() {
  97         return broker;
  98     }
  99
 100     /**
 101      * dependencymanager requirement
 102      *
 103      * @param broker
 104      */
 105     public void setBroker(BindingAwareBroker broker) {
 106         this.broker = broker;
 107     }
 108
 109     /**
 110      * dependencymanager requirement
 111      *
 112      * @param brokerArg
 113      */
 114     public void unsetBroker(BindingAwareBroker brokerArg) {
 115         this.broker = null;
 116     }
 117
 118     private boolean hasAllDependencies() {
 119         if (this.broker != null && this.switchConnectionProviders != null) {
 120             return true;
 121         }
 122         return false;
 123     }
 124
 125     /**
 126      * register providers for md-sal
 127      */
 128     private void registerProvider() {
 129         if (hasAllDependencies()) {
 130             this.broker.registerProvider(this, context);
 131         }
 132     }
 133
 134     public MessageCountDumper getMessageCountDumper() {
 135         return messageCountProvider;
 136     }
 137
 138     /**
 139      * @return the extensionConverterRegistry
 140      */
 141     public ExtensionConverterRegistrator getExtensionConverterRegistrator() {
 142         return extensionConverterManager;
 143     }
 144 }