vpnservice/vpnmanager/vpnmanager-impl/src/main/java/org/opendaylight/netvirt/vpnmanager/ArpScheduler.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.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.FutureCallback;
  13 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  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.datastoreutils.AsyncDataTreeChangeListenerBase;
  20 import org.opendaylight.genius.datastoreutils.DataStoreJobCoordinator;
  21 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
  22 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
  23 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  24 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
  25 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
  26 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.Adjacencies;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.AdjacencyKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NeutronVpnPortipPortData;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPort;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.neutron.vpn.portip.port.data.VpnPortipToPortKey;
  41 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  42 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  43 import org.slf4j.Logger;
  44 import org.slf4j.LoggerFactory;
  45
  46 import java.lang.Thread.UncaughtExceptionHandler;
  47 import java.net.InetAddress;
  48 import java.util.ArrayList;
  49 import java.util.Collection;
  50 import java.util.List;
  51 import java.util.concurrent.*;
  52
  53 public class ArpScheduler extends AsyncDataTreeChangeListenerBase<VpnPortipToPort,ArpScheduler> {
  54     private static final Logger LOG = LoggerFactory.getLogger(ArpScheduler.class);
  55     private final DataBroker dataBroker;
  56     private final OdlInterfaceRpcService intfRpc;
  57     private ScheduledExecutorService executorService;
  58     private ScheduledFuture<?> scheduledResult;
  59     private DelayQueue<MacEntry> macEntryQueue = new DelayQueue<MacEntry>();
  60
  61     public ArpScheduler(final DataBroker dataBroker, final OdlInterfaceRpcService interfaceRpc) {
  62         super(VpnPortipToPort.class, ArpScheduler.class);
  63         this.dataBroker = dataBroker;
  64         this.intfRpc = interfaceRpc;
  65     }
  66
  67     public void start() {
  68         LOG.info("{} start", getClass().getSimpleName());
  69         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  70         executorService = Executors.newScheduledThreadPool(ArpConstants.THREAD_POOL_SIZE, getThreadFactory("Arp Cache Timer Tasks"));
  71         scheduleExpiredEntryDrainerTask();
  72     }
  73
  74     @Override
  75     protected InstanceIdentifier<VpnPortipToPort> getWildCardPath() {
  76         return InstanceIdentifier.create(NeutronVpnPortipPortData.class).child(VpnPortipToPort.class);
  77     }
  78
  79     private void scheduleExpiredEntryDrainerTask() {
  80         LOG.info("Scheduling expired entry drainer task");
  81         ExpiredEntryDrainerTask expiredEntryDrainerTask = new ExpiredEntryDrainerTask();
  82         scheduledResult = executorService.scheduleAtFixedRate(expiredEntryDrainerTask, ArpConstants.NO_DELAY, ArpConstants.PERIOD, TimeUnit.MILLISECONDS);
  83     }
  84
  85
  86     private ThreadFactory getThreadFactory(String threadNameFormat) {
  87         ThreadFactoryBuilder builder = new ThreadFactoryBuilder();
  88         builder.setNameFormat(threadNameFormat);
  89         builder.setUncaughtExceptionHandler( new UncaughtExceptionHandler() {
  90             @Override
  91             public void uncaughtException(Thread t, Throwable e) {
  92                 LOG.error("Received Uncaught Exception event in Thread: {}", t.getName(), e);
  93             }
  94         });
  95         return builder.build();
  96      }
  97
  98
  99     private class ExpiredEntryDrainerTask implements Runnable {
 100         @Override
 101         public void run() {
 102             Collection<MacEntry> expiredMacEntries = new ArrayList<>();
 103             macEntryQueue.drainTo(expiredMacEntries);
 104             for (MacEntry macEntry: expiredMacEntries) {
 105                 LOG.info("Removing the ARP cache for"+macEntry);
 106                 InstanceIdentifier<VpnPortipToPort> id = getVpnPortipToPortInstanceOpDataIdentifier(macEntry.getIpAddress().getHostAddress(),macEntry.getVpnName());
 107                 Optional<VpnPortipToPort> vpnPortipToPort = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, id);
 108                 if (vpnPortipToPort.isPresent()) {
 109                     VpnPortipToPort vpnPortipToPortold = vpnPortipToPort.get();
 110                     String fixedip = vpnPortipToPortold.getPortFixedip();
 111                     String vpnName =  vpnPortipToPortold.getVpnName();
 112                     String interfaceName =  vpnPortipToPortold.getPortName();
 113                     String rd = getRouteDistinguisher(vpnName);
 114                     DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 115                     coordinator.enqueueJob(buildJobKey(fixedip,vpnName),
 116                             new ArpremovechacheTask(dataBroker,fixedip, vpnName,interfaceName, rd, id));
 117                 }
 118
 119             }
 120         }
 121      }
 122
 123     private String getRouteDistinguisher(String vpnName) {
 124         InstanceIdentifier<VpnInstance> id = InstanceIdentifier.builder(VpnInstances.class)
 125                  .child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
 126         Optional<VpnInstance> vpnInstance = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
 127         String rd = "";
 128         if(vpnInstance.isPresent()) {
 129             VpnInstance instance = vpnInstance.get();
 130             VpnAfConfig config = instance.getIpv4Family();
 131             rd = config.getRouteDistinguisher();
 132          }
 133          return rd;
 134     }
 135
 136     public static InstanceIdentifier<VpnPortipToPort> getVpnPortipToPortInstanceOpDataIdentifier(String ip,String vpnName) {
 137        return InstanceIdentifier.builder(NeutronVpnPortipPortData.class)
 138            .child(VpnPortipToPort.class, new VpnPortipToPortKey(ip,vpnName)).build();
 139     }
 140
 141     @Override
 142     protected ArpScheduler getDataTreeChangeListener() {
 143         return this;
 144     }
 145
 146     @Override
 147     protected void update(InstanceIdentifier<VpnPortipToPort> id, VpnPortipToPort value,
 148             VpnPortipToPort dataObjectModificationAfter) {
 149         try {
 150             InetAddress srcInetAddr = InetAddress.getByName(value.getPortFixedip());
 151             MacAddress srcMacAddress = MacAddress.getDefaultInstance(value.getMacAddress());
 152             String vpnName =  value.getVpnName();
 153             String interfaceName =  value.getPortName();
 154             Boolean islearnt = value.isLearnt();
 155             if (islearnt) {
 156                 DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 157                 coordinator.enqueueJob(buildJobKey(srcInetAddr.toString(), vpnName),
 158                         new ArpaddchacheTask(srcInetAddr, srcMacAddress, vpnName, interfaceName, macEntryQueue));
 159             }
 160         } catch (Exception e) {
 161             LOG.error("Error in deserializing packet {} with exception {}", value, e);
 162             e.printStackTrace();
 163         }
 164     }
 165
 166     @Override
 167     protected void add(InstanceIdentifier<VpnPortipToPort> identifier, VpnPortipToPort value) {
 168         try {
 169             InetAddress srcInetAddr = InetAddress.getByName(value.getPortFixedip());
 170             MacAddress srcMacAddress = MacAddress.getDefaultInstance(value.getMacAddress());
 171             String vpnName =  value.getVpnName();
 172             String interfaceName =  value.getPortName();
 173             Boolean islearnt = value.isLearnt();
 174             if (islearnt)
 175             {
 176                  DataStoreJobCoordinator coordinator = DataStoreJobCoordinator.getInstance();
 177                  coordinator.enqueueJob(buildJobKey(srcInetAddr.toString(),vpnName),
 178                          new ArpaddchacheTask(srcInetAddr, srcMacAddress, vpnName,interfaceName, macEntryQueue));
 179             }
 180         }
 181         catch (Exception e) {
 182              LOG.error("Error in deserializing packet {} with exception {}", value, e);
 183         }
 184     }
 185
 186     @Override
 187     protected void remove(InstanceIdentifier<VpnPortipToPort> key, VpnPortipToPort dataObjectModification) {
 188     }
 189
 190     private String buildJobKey(String ip, String vpnName){
 191         return new StringBuilder(ArpConstants.ARPJOB).append(ip).append(vpnName).toString();
 192     }
 193 }