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
  27 /**
  28  * OFPlugin provider implementation
  29  */
  30 public class OpenflowPluginProvider implements BindingAwareProvider {
  31
  32     private BindingAwareBroker broker;
  33
  34     private BundleContext context;
  35
  36     private SwitchConnectionProvider switchConnectionProvider;
  37
  38     private MDController mdController;
  39
  40     private MessageCountCommandProvider messageCountCommandProvider;
  41
  42     private MessageObservatory<OfHeader, DataObject> messageCountProvider;
  43
  44     public void unsetSwitchConnectionProvider() {
  45         switchConnectionProvider = null;
  46     }
  47
  48     public void setSwitchConnectionProvider(
  49             SwitchConnectionProvider switchConnectionProvider) {
  50         this.switchConnectionProvider = switchConnectionProvider;
  51         registerProvider();
  52     }
  53
  54     public BundleContext getContext() {
  55         return context;
  56     }
  57
  58     public void setContext(BundleContext context) {
  59         this.context = context;
  60     }
  61
  62     SalRegistrationManager registrationManager = new SalRegistrationManager();
  63
  64
  65     @Override
  66     public void onSessionInitiated(ProviderContext session) {
  67         messageCountProvider = new MessageSpyCounterImpl();
  68         registrationManager.onSessionInitiated(session);
  69         mdController = new MDController();
  70         mdController.setSwitchConnectionProvider(switchConnectionProvider);
  71         mdController.setMessageSpyCounter(messageCountProvider);
  72         mdController.init();
  73         mdController.start();
  74         messageCountCommandProvider = new MessageCountCommandProvider(context, messageCountProvider);
  75         messageCountCommandProvider.onSessionInitiated(session);
  76     }
  77
  78     @Override
  79     public void onSessionInitialized(ConsumerContext session) {
  80         // NOOP
  81     }
  82
  83     @Override
  84     public Collection<? extends ProviderFunctionality> getFunctionality() {
  85         return Collections.emptySet();
  86     }
  87
  88     @Override
  89     public java.util.Collection<? extends RpcService> getImplementations() {
  90         return Collections.emptySet();
  91     }
  92
  93     public BindingAwareBroker getBroker() {
  94         return broker;
  95     }
  96
  97     public void setBroker(BindingAwareBroker broker) {
  98         this.broker = broker;
  99         registerProvider();
 100     }
 101
 102     public void unsetBroker(BindingAwareBroker broker) {
 103         this.broker = null;
 104     }
 105
 106     private boolean hasAllDependencies(){
 107         if(this.broker != null && this.switchConnectionProvider != null) {
 108             return true;
 109         }
 110         return false;
 111     }
 112     private void registerProvider() {
 113         if(hasAllDependencies()) {
 114             this.broker.registerProvider(this,context);
 115         }
 116     }
 117  }