dhcpservice/dhcpservice-impl/src/main/java/org/opendaylight/vpnservice/dhcpservice/DhcpProvider.java

   1 /*
   2  * Copyright (c) 2015 Ericsson India Global Services Pvt Ltd. 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.vpnservice.dhcpservice;
   9
  10 import java.math.BigInteger;
  11
  12 import org.opendaylight.controller.sal.binding.api.NotificationProviderService;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.packet.service.rev130709.PacketProcessingService;
  14 import org.opendaylight.yangtools.concepts.Registration;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  17 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  18 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 public class DhcpProvider implements BindingAwareProvider, AutoCloseable {
  23
  24     private static final Logger LOG = LoggerFactory.getLogger(DhcpProvider.class);
  25     private IMdsalApiManager mdsalManager;
  26     private DhcpPktHandler dhcpPktHandler;
  27     private Registration packetListener = null;
  28     private NotificationProviderService notificationService;
  29     private DhcpManager dhcpManager;
  30     private NodeListener dhcpNodeListener;
  31
  32     @Override
  33     public void onSessionInitiated(ProviderContext session) {
  34         LOG.info("DhcpProvider Session Initiated");
  35         try {
  36             final DataBroker dataBroker = session.getSALService(DataBroker.class);
  37             final PacketProcessingService pktProcessingService = session.getRpcService(PacketProcessingService.class);
  38             dhcpManager = new DhcpManager(dataBroker);
  39             dhcpManager.setMdsalManager(mdsalManager);
  40             dhcpPktHandler = new DhcpPktHandler(dataBroker, dhcpManager);
  41             dhcpPktHandler.setPacketProcessingService(pktProcessingService);
  42             packetListener = notificationService.registerNotificationListener(dhcpPktHandler);
  43             dhcpNodeListener = new NodeListener(dataBroker, dhcpManager);
  44         } catch (Exception e) {
  45             LOG.error("Error initializing services", e);
  46         }
  47     }
  48
  49
  50     public void setMdsalManager(IMdsalApiManager mdsalManager) {
  51         this.mdsalManager = mdsalManager;
  52     }
  53
  54     @Override
  55     public void close() throws Exception {
  56         if(packetListener != null) {
  57             packetListener.close();
  58         }
  59         if(dhcpPktHandler != null) {
  60             dhcpPktHandler.close();
  61         }
  62         if(dhcpNodeListener != null) {
  63             dhcpNodeListener.close();
  64         }
  65         LOG.info("DhcpProvider closed");
  66     }
  67
  68     public void setNotificationProviderService(NotificationProviderService notificationServiceDependency) {
  69         this.notificationService = notificationServiceDependency;
  70     }
  71
  72 }