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