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 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  13 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ConsumerContext;
  14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  15 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  16 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  17 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterRegistrator;
  18 import org.opendaylight.openflowplugin.openflow.md.core.MDController;
  19 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManager;
  20 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManagerImpl;
  21 import org.opendaylight.openflowplugin.api.statistics.MessageCountDumper;
  22 import org.opendaylight.openflowplugin.api.statistics.MessageObservatory;
  23 import org.opendaylight.openflowplugin.statistics.MessageSpyCounterImpl;
  24 import org.opendaylight.yangtools.yang.binding.DataContainer;
  25 import org.opendaylight.yangtools.yang.binding.RpcService;
  26 import org.osgi.framework.BundleContext;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * OFPlugin provider implementation
  32  */
  33 public class OpenflowPluginProvider implements BindingAwareProvider, AutoCloseable {
  34
  35     private static Logger LOG = LoggerFactory.getLogger(OpenflowPluginProvider.class);
  36
  37     private BindingAwareBroker broker;
  38
  39     private BundleContext context;
  40
  41     private Collection<SwitchConnectionProvider> switchConnectionProviders;
  42
  43     private MDController mdController;
  44
  45     private MessageObservatory<DataContainer> messageCountProvider;
  46
  47     private SalRegistrationManager registrationManager;
  48
  49     private ExtensionConverterManager extensionConverterManager;
  50
  51     /**
  52      * Initialization of services and msgSpy counter
  53      */
  54     public void initialization() {
  55         messageCountProvider = new MessageSpyCounterImpl();
  56         extensionConverterManager = new ExtensionConverterManagerImpl();
  57         this.registerProvider();
  58     }
  59
  60     /**
  61      * @param switchConnectionProvider
  62      */
  63     public void setSwitchConnectionProviders(Collection<SwitchConnectionProvider> switchConnectionProvider) {
  64         this.switchConnectionProviders = switchConnectionProvider;
  65     }
  66
  67     /**
  68      * @return osgi context
  69      */
  70     public BundleContext getContext() {
  71         return context;
  72     }
  73
  74     @Override
  75     public void onSessionInitiated(ProviderContext session) {
  76         LOG.debug("onSessionInitiated");
  77         registrationManager = new SalRegistrationManager();
  78         registrationManager.onSessionInitiated(session);
  79         mdController = new MDController();
  80         mdController.setSwitchConnectionProviders(switchConnectionProviders);
  81         mdController.setMessageSpyCounter(messageCountProvider);
  82         mdController.setExtensionConverterProvider(extensionConverterManager);
  83         mdController.init();
  84         mdController.start();
  85     }
  86
  87     @Override
  88     public void close() {
  89         LOG.debug("close");
  90         mdController.stop();
  91         mdController = null;
  92         registrationManager.close();
  93         registrationManager = null;
  94     }
  95
  96     @Override
  97     public void onSessionInitialized(ConsumerContext session) {
  98         // NOOP
  99     }
 100
 101     @Override
 102     public Collection<? extends ProviderFunctionality> getFunctionality() {
 103         return Collections.emptySet();
 104     }
 105
 106     @Override
 107     public java.util.Collection<? extends RpcService> getImplementations() {
 108         return Collections.emptySet();
 109     }
 110
 111     /**
 112      * @return BA default broker
 113      */
 114     public BindingAwareBroker getBroker() {
 115         return broker;
 116     }
 117
 118     /**
 119      * dependencymanager requirement
 120      *
 121      * @param broker
 122      */
 123     public void setBroker(BindingAwareBroker broker) {
 124         this.broker = broker;
 125     }
 126
 127     /**
 128      * dependencymanager requirement
 129      *
 130      * @param brokerArg
 131      */
 132     public void unsetBroker(BindingAwareBroker brokerArg) {
 133         this.broker = null;
 134     }
 135
 136     private boolean hasAllDependencies() {
 137         if (this.broker != null && this.switchConnectionProviders != null) {
 138             return true;
 139         }
 140         return false;
 141     }
 142
 143     /**
 144      * register providers for md-sal
 145      */
 146     private void registerProvider() {
 147         if (hasAllDependencies()) {
 148             this.broker.registerProvider(this, context);
 149         }
 150     }
 151
 152     public MessageCountDumper getMessageCountDumper() {
 153         return messageCountProvider;
 154     }
 155
 156     /**
 157      * @return the extensionConverterRegistry
 158      */
 159     public ExtensionConverterRegistrator getExtensionConverterRegistrator() {
 160         return extensionConverterManager;
 161     }
 162 }