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.md.sal.common.api.data.AsyncDataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  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.BindingAwareProvider;
  19 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  20 import org.opendaylight.openflowplugin.extension.api.ExtensionConverterRegistrator;
  21 import org.opendaylight.openflowplugin.openflow.md.core.MDController;
  22 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManagerImpl;
  23 import org.opendaylight.openflowplugin.openflow.md.core.extension.ExtensionConverterManager;
  24 import org.opendaylight.openflowplugin.openflow.md.lldp.LLDPPAcketPuntEnforcer;
  25 import org.opendaylight.openflowplugin.api.statistics.MessageCountDumper;
  26 import org.opendaylight.openflowplugin.api.statistics.MessageObservatory;
  27 import org.opendaylight.openflowplugin.statistics.MessageSpyCounterImpl;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.SalFlowService;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
  31 import org.opendaylight.yangtools.yang.binding.DataContainer;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.opendaylight.yangtools.yang.binding.RpcService;
  34 import org.osgi.framework.BundleContext;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 /**
  39  * OFPlugin provider implementation
  40  */
  41 public class OpenflowPluginProvider implements BindingAwareProvider, AutoCloseable {
  42
  43     private static Logger LOG = LoggerFactory.getLogger(OpenflowPluginProvider.class);
  44
  45     private BindingAwareBroker broker;
  46
  47     private BundleContext context;
  48
  49     private Collection<SwitchConnectionProvider> switchConnectionProviders;
  50
  51     private MDController mdController;
  52
  53     private MessageObservatory<DataContainer> messageCountProvider;
  54
  55     private SalRegistrationManager registrationManager;
  56
  57     private ExtensionConverterManager extensionConverterManager;
  58
  59     /**
  60      * Initialization of services and msgSpy counter
  61      */
  62     public void initialization() {
  63         messageCountProvider = new MessageSpyCounterImpl();
  64         extensionConverterManager = new ExtensionConverterManagerImpl();
  65         this.registerProvider();
  66     }
  67
  68     /**
  69      * @param switchConnectionProvider
  70      */
  71     public void setSwitchConnectionProviders(Collection<SwitchConnectionProvider> switchConnectionProvider) {
  72         this.switchConnectionProviders = switchConnectionProvider;
  73     }
  74
  75     /**
  76      * @return osgi context
  77      */
  78     public BundleContext getContext() {
  79         return context;
  80     }
  81
  82     @Override
  83     public void onSessionInitiated(ProviderContext session) {
  84         LOG.debug("onSessionInitiated");
  85         registrationManager = new SalRegistrationManager();
  86         registrationManager.onSessionInitiated(session);
  87         //TODO : LLDPPAcketPuntEnforcer should be instantiated and registered in separate module driven by config subsystem
  88         InstanceIdentifier<Node> path = InstanceIdentifier.create(Nodes.class).child(Node.class);
  89         registrationManager.getSessionManager().getDataBroker().registerDataChangeListener(
  90                 LogicalDatastoreType.OPERATIONAL,
  91                 path,
  92                 new LLDPPAcketPuntEnforcer(
  93                         session.<SalFlowService>getRpcService(SalFlowService.class)),
  94                 AsyncDataBroker.DataChangeScope.BASE);
  95         mdController = new MDController();
  96         mdController.setSwitchConnectionProviders(switchConnectionProviders);
  97         mdController.setMessageSpyCounter(messageCountProvider);
  98         mdController.setExtensionConverterProvider(extensionConverterManager);
  99         mdController.init();
 100         mdController.start();
 101     }
 102
 103     @Override
 104     public void close() {
 105         LOG.debug("close");
 106         mdController.stop();
 107         mdController = null;
 108         registrationManager.close();
 109         registrationManager = null;
 110     }
 111
 112     @Override
 113     public void onSessionInitialized(ConsumerContext session) {
 114         // NOOP
 115     }
 116
 117     @Override
 118     public Collection<? extends ProviderFunctionality> getFunctionality() {
 119         return Collections.emptySet();
 120     }
 121
 122     @Override
 123     public java.util.Collection<? extends RpcService> getImplementations() {
 124         return Collections.emptySet();
 125     }
 126
 127     /**
 128      * @return BA default broker
 129      */
 130     public BindingAwareBroker getBroker() {
 131         return broker;
 132     }
 133
 134     /**
 135      * dependencymanager requirement
 136      * @param broker
 137      */
 138     public void setBroker(BindingAwareBroker broker) {
 139         this.broker = broker;
 140     }
 141
 142     /**
 143      * dependencymanager requirement
 144      * @param brokerArg
 145      */
 146     public void unsetBroker(BindingAwareBroker brokerArg) {
 147         this.broker = null;
 148     }
 149
 150     private boolean hasAllDependencies(){
 151         if(this.broker != null && this.switchConnectionProviders != null) {
 152             return true;
 153         }
 154         return false;
 155     }
 156
 157     /**
 158      * register providers for md-sal
 159      */
 160     private void registerProvider() {
 161         if(hasAllDependencies()) {
 162             this.broker.registerProvider(this,context);
 163         }
 164     }
 165
 166     public MessageCountDumper getMessageCountDumper() {
 167         return messageCountProvider;
 168     }
 169
 170     /**
 171      * @return the extensionConverterRegistry
 172      */
 173     public ExtensionConverterRegistrator getExtensionConverterRegistrator() {
 174         return extensionConverterManager;
 175     }
 176  }