vpnservice/vpnmanager/vpnmanager-impl/src/main/java/org/opendaylight/netvirt/vpnmanager/DpnInVpnChangeListener.java

   1 /*
   2  * Copyright (c) 2016 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.netvirt.vpnmanager;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  17 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  18 import org.opendaylight.genius.mdsalutil.*;
  19 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.AddDpnEvent;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.OdlL3vpnListener;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.RemoveDpnEvent;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.remove.dpn.event.RemoveEventData;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry
  26         .VpnToDpnList;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 import java.math.BigInteger;
  33 import java.util.ArrayList;
  34 import java.util.Collection;
  35 import java.util.List;
  36 import java.util.concurrent.Callable;
  37 import java.util.concurrent.ExecutionException;
  38
  39 public class DpnInVpnChangeListener implements OdlL3vpnListener {
  40     private static final Logger LOG = LoggerFactory.getLogger(DpnInVpnChangeListener.class);
  41     private DataBroker dataBroker;
  42     private IMdsalApiManager mdsalManager;
  43     private IdManagerService idManager;
  44
  45     public DpnInVpnChangeListener(DataBroker dataBroker) {
  46         this.dataBroker = dataBroker;
  47     }
  48
  49     public void onAddDpnEvent(AddDpnEvent notification) {
  50
  51     }
  52
  53     public void onRemoveDpnEvent(RemoveDpnEvent notification) {
  54
  55         RemoveEventData eventData = notification.getRemoveEventData();
  56         final String rd = eventData.getRd();
  57         final String vpnName = eventData.getVpnName();
  58         BigInteger dpnId = eventData.getDpnId();
  59
  60         LOG.trace("Remove Dpn Event notification received for rd {} VpnName {} DpnId {}", rd , vpnName, dpnId);
  61
  62         synchronized (vpnName.intern()) {
  63             InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
  64             Optional<VpnInstanceOpDataEntry> vpnOpValue = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
  65
  66             if (vpnOpValue.isPresent()) {
  67                 LOG.trace(" Active Dpn count {} in VpnInstOpData", vpnOpValue.get().getActiveDpnCount());
  68                 if (vpnOpValue.get().getActiveDpnCount() == 0) {
  69                     final Collection<VpnToDpnList> vpnToDpnList = vpnOpValue.get().getVpnToDpnList();
  70
  71                     DataStoreJobCoordinator dataStoreCoordinator = DataStoreJobCoordinator.getInstance();
  72                     dataStoreCoordinator.enqueueJob("VPN-" + vpnName + "-DPN-" + dpnId.toString() ,
  73                             new Callable<List<ListenableFuture<Void>>>() {
  74                                 @Override
  75                                 public List<ListenableFuture<Void>> call() throws Exception {
  76                                     WriteTransaction writeTxn = dataBroker.newWriteOnlyTransaction();
  77                                     deleteDpn(vpnToDpnList , rd , writeTxn);
  78                                     CheckedFuture<Void, TransactionCommitFailedException> futures = writeTxn.submit();
  79                                     try {
  80                                         futures.get();
  81                                     } catch (InterruptedException | ExecutionException e) {
  82                                         LOG.error("Error removing dpnToVpnList for vpn {} ", vpnName);
  83                                         throw new RuntimeException(e.getMessage());
  84                                     }
  85                                     return null;
  86                                 }
  87                             });
  88
  89                 }
  90             }
  91         }
  92     }
  93
  94     protected void deleteDpn(Collection<VpnToDpnList> vpnToDpnList, String rd, WriteTransaction writeTxn) {
  95         for (final VpnToDpnList curDpn : vpnToDpnList) {
  96             InstanceIdentifier<VpnToDpnList> VpnToDpnId = VpnUtil.getVpnToDpnListIdentifier(rd, curDpn.getDpnId());
  97             writeTxn.delete(LogicalDatastoreType.OPERATIONAL, VpnToDpnId);
  98         }
  99     }
 100 }
 101