nfchainagent/src/main/java/org/opendaylight/affinity/nfchainagent/Activator.java

   1
   2 /*
   3  * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
   4  *
   5  * This program and the accompanying materials are made available under the
   6  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   7  * and is available at http://www.eclipse.org/legal/epl-v10.html
   8  */
   9
  10 /* Network function chaining service. */
  11 package org.opendaylight.affinity.nfchainagent;
  12
  13 import java.util.Hashtable;
  14 import java.util.Dictionary;
  15 import org.apache.felix.dm.Component;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18
  19 import org.opendaylight.controller.sal.core.ComponentActivatorAbstractBase;
  20 import org.opendaylight.controller.sal.packet.IListenDataPacket;
  21 import org.opendaylight.controller.sal.packet.IDataPacketService;
  22 import org.opendaylight.controller.sal.flowprogrammer.IFlowProgrammerService;
  23 import org.opendaylight.controller.switchmanager.ISwitchManager;
  24
  25 import org.opendaylight.affinity.l2agent.IfL2Agent;
  26 import org.opendaylight.controller.sal.flowprogrammer.IFlowProgrammerService;
  27 //import org.opendaylight.controller.forwardingrulesmanager.IForwardingRulesManager;
  28
  29 public class Activator extends ComponentActivatorAbstractBase {
  30     protected static final Logger logger = LoggerFactory
  31             .getLogger(Activator.class);
  32
  33     /**
  34      * Function called when the activator starts just after some
  35      * initializations are done by the
  36      * ComponentActivatorAbstractBase.
  37      *
  38      */
  39     public void init() {
  40
  41     }
  42
  43     /**
  44      * Function called when the activator stops just before the
  45      * cleanup done by ComponentActivatorAbstractBase
  46      *
  47      */
  48     public void destroy() {
  49
  50     }
  51
  52     /**
  53      * Function that is used to communicate to dependency manager the
  54      * list of known implementations for services inside a container
  55      *
  56      *
  57      * @return An array containing all the CLASS objects that will be
  58      * instantiated in order to get an fully working implementation
  59      * Object
  60      */
  61     public Object[] getImplementations() {
  62         Object[] res = { NFchainAgent.class };
  63         return res;
  64     }
  65
  66     /**
  67      * Function that is called when configuration of the dependencies
  68      * is required.
  69      *
  70      * @param c dependency manager Component object, used for
  71      * configuring the dependencies exported and imported
  72      * @param imp Implementation class that is being configured,
  73      * needed as long as the same routine can configure multiple
  74      * implementations
  75      * @param containerName The containerName being configured, this allow
  76      * also optional per-container different behavior if needed, usually
  77      * should not be the case though.
  78      */
  79     public void configureInstance(Component c, Object imp, String containerName) {
  80         if (imp.equals(NFchainAgent.class)) {
  81             // export the services
  82             Dictionary<String, String> props = new Hashtable<String, String>();
  83             props.put("salListenerName", "NFchainAgent");
  84             c.setInterface(new String[] { IListenDataPacket.class.getName(),
  85                                           NFchainAgent.class.getName() }, props);
  86
  87             // register dependent modules
  88             c.add(createContainerServiceDependency(containerName)
  89                   .setService(IfL2Agent.class)
  90                   .setCallbacks("setL2Agent", "unsetL2Agent")
  91                   .setRequired(true));
  92
  93             c.add(createContainerServiceDependency(containerName).setService(
  94                     ISwitchManager.class).setCallbacks("setSwitchManager",
  95                     "unsetSwitchManager").setRequired(true));
  96
  97             c.add(createContainerServiceDependency(containerName).setService(
  98                     IFlowProgrammerService.class).setCallbacks(
  99                     "setFlowProgrammerService", "unsetFlowProgrammerService")
 100                     .setRequired(true));
 101         }
 102     }
 103 }