sdnr/wireless-transport/code-Carbon-SR1/apps/route/impl/src/main/java/com/highstreet/technologies/odl/app/impl/listener/ACMListener.java

   1 /*
   2  * Copyright © 2015 ZTE 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 com.highstreet.technologies.odl.app.impl.listener;
   9
  10 import com.highstreet.technologies.odl.app.impl.tools.BandwidthCalculator;
  11 import com.highstreet.technologies.odl.app.impl.tools.DataBrokerHolder;
  12 import com.highstreet.technologies.odl.app.impl.tools.NeExecutor;
  13 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  14 import org.opendaylight.yang.gen.v1.urn.onf.params.xml.ns.yang.ltp.path.rev170615.ThresholdOfPath;
  15 import org.opendaylight.yang.gen.v1.urn.onf.params.xml.ns.yang.ltp.path.rev170615.threshold.of.path.Threshold;
  16 import org.opendaylight.yang.gen.v1.urn.onf.params.xml.ns.yang.microwave.model.rev170324.*;
  17 import org.opendaylight.yang.gen.v1.urn.onf.params.xml.ns.yang.microwave.model.rev170324.mw.air._interface.pac.AirInterfaceConfiguration;
  18 import org.opendaylight.yang.gen.v1.urn.onf.params.xml.ns.yang.microwave.model.rev170324.mw.air._interface.pac.AirInterfaceStatus;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.slf4j.Logger;
  21 import org.slf4j.LoggerFactory;
  22
  23 import static org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType.CONFIGURATION;
  24 import static org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType.OPERATIONAL;
  25
  26 /**
  27  * Created by odl on 17-6-6.
  28  */
  29 public class ACMListener implements MicrowaveModelListener
  30 {
  31     public ACMListener(NeExecutor ne)
  32     {
  33         this.ne = ne;
  34     }
  35
  36     private static final Logger LOG = LoggerFactory.getLogger(ACMListener.class);
  37     private static Double bandwidth;
  38
  39     private final NeExecutor ne;
  40
  41     @Override
  42     public void onAttributeValueChangedNotification(
  43             AttributeValueChangedNotification notification)
  44     {
  45         new Thread(() ->
  46         {
  47             synchronized (ne)
  48             {
  49                 if (bandwidth == null)
  50                 {
  51                     readBandwidthThreshold();
  52                 }
  53                 try
  54                 {
  55                     if (notification.getAttributeName().equalsIgnoreCase("modulationCur"))
  56                     {
  57                         LOG.info("received notification of value changed of modulationCur, changed to " + notification.getNewValue());
  58                         String lpId_airInterface = notification.getObjectIdRef().getValue();
  59                         if (ne.isLtpOfThisOnPath(lpId_airInterface))
  60                         {
  61                             AirInterfaceConfiguration airInterfaceConfiguration = ne.getUnderAirPac(
  62                                     lpId_airInterface, AirInterfaceConfiguration.class, CONFIGURATION);
  63                             AirInterfaceStatus airInterfaceStatus = ne.getUnderAirPac(
  64                                     lpId_airInterface, AirInterfaceStatus.class, OPERATIONAL);
  65
  66                             Double txCapacity = new BandwidthCalculator(
  67                                     airInterfaceConfiguration.getTxChannelBandwidth(),
  68                                     airInterfaceStatus.getModulationCur(),
  69                                     airInterfaceStatus.getCodeRateCur()).calc();
  70                             LOG.info("new txCapacity is " + txCapacity);
  71                             if (txCapacity < bandwidth)
  72                             {
  73                                 LOG.info("new txCapacity is lower than bandwidth " + bandwidth);
  74                                 ne.reportSwitch();
  75                             }
  76                         }
  77                     }
  78                 } catch (Exception e)
  79                 {
  80                     LOG.warn("handling attribute change: " + notification + " caught exception!", e);
  81                 }
  82             }
  83         }).start();
  84     }
  85
  86     private void readBandwidthThreshold()
  87     {
  88         ReadOnlyTransaction readOnlyTransaction = DataBrokerHolder.getDataBroker().newReadOnlyTransaction();
  89         InstanceIdentifier<Threshold> instanceIdentifier = InstanceIdentifier.create(ThresholdOfPath.class).child(
  90                 Threshold.class);
  91         try
  92         {
  93             Threshold threshold = readOnlyTransaction.read(CONFIGURATION, instanceIdentifier).get().get();
  94             bandwidth = threshold.getMinimumBandwidth().doubleValue();
  95         } catch (Exception e)
  96         {
  97             LOG.warn("", e);
  98         } finally
  99         {
 100             readOnlyTransaction.close();
 101         }
 102     }
 103
 104     @Override
 105     public void onObjectCreationNotification(
 106             ObjectCreationNotification notification)
 107     {
 108     }
 109
 110     @Override
 111     public void onObjectDeletionNotification(
 112             ObjectDeletionNotification notification)
 113     {
 114     }
 115
 116     @Override
 117     public void onProblemNotification(
 118             ProblemNotification notification)
 119     {
 120     }
 121 }