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

   1 /*
   2  * Copyright © 2016, 2017 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.ListenableFuture;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import java.util.concurrent.Callable;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.genius.arputil.api.ArpConstants;
  20 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  21 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.alivenessmonitor.rev160411.AlivenessMonitorService;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.AdjacencyKey;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class ArpMonitorStopTask implements Callable<List<ListenableFuture<Void>>> {
  31     private MacEntry macEntry;
  32     private AlivenessMonitorService alivenessManager;
  33     private DataBroker dataBroker;
  34     private static final Logger LOG = LoggerFactory.getLogger(ArpMonitorStopTask.class);
  35
  36     public ArpMonitorStopTask(MacEntry macEntry, DataBroker dataBroker,
  37         AlivenessMonitorService alivenessManager) {
  38         this.macEntry = macEntry;
  39         this.dataBroker = dataBroker;
  40         this.alivenessManager = alivenessManager;
  41     }
  42
  43     @Override
  44     public List<ListenableFuture<Void>> call() throws Exception {
  45         final List<ListenableFuture<Void>> futures = new ArrayList<>();
  46         java.util.Optional<Long> monitorIdOptional = AlivenessMonitorUtils.getMonitorIdFromInterface(macEntry);
  47         monitorIdOptional.ifPresent(monitorId -> {
  48             AlivenessMonitorUtils.stopArpMonitoring(alivenessManager, monitorId);
  49             removeMipAdjacency(macEntry.getIpAddress().getHostAddress(),
  50                     macEntry.getVpnName(), macEntry.getInterfaceName());
  51             VpnUtil.removeLearntVpnVipToPort(dataBroker, macEntry.getVpnName(),
  52                     macEntry.getIpAddress().getHostAddress());
  53         });
  54         return futures;
  55     }
  56
  57     private void removeMipAdjacency(String fixedip, String vpnName, String interfaceName) {
  58         synchronized (interfaceName.intern()) {
  59             InstanceIdentifier<VpnInterface> vpnIfId = VpnUtil.getVpnInterfaceIdentifier(interfaceName);
  60             InstanceIdentifier<Adjacencies> path = vpnIfId.augmentation(Adjacencies.class);
  61             Optional<Adjacencies> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
  62             if (adjacencies.isPresent()) {
  63                 InstanceIdentifier<Adjacency> adid = vpnIfId.augmentation(Adjacencies.class).child(Adjacency.class,
  64                     new AdjacencyKey(ipToPrefix(fixedip)));
  65                 try {
  66                     SingleTransactionDataBroker.syncDelete(dataBroker, LogicalDatastoreType.CONFIGURATION, adid);
  67                 } catch (TransactionCommitFailedException e) {
  68                     LOG.error("Failed to delete the learned-ip-adjacency for vpn {} interface {} prefix {}",
  69                             vpnName, interfaceName, ipToPrefix(fixedip), e);
  70                     return;
  71                 }
  72                 LOG.info("Successfully deleted the learned-ip-adjacency prefix {} on vpn {} for interface {}",
  73                         ipToPrefix(fixedip), vpnName, interfaceName);
  74             }
  75         }
  76     }
  77
  78     private String ipToPrefix(String ip) {
  79         return new StringBuilder(ip).append(ArpConstants.PREFIX).toString();
  80     }
  81
  82 }