bgpmanager/impl/src/main/java/org/opendaylight/netvirt/bgpmanager/BgpConfigurationManager.java

   1 /*
   2  * Copyright © 2015, 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.bgpmanager;
   9
  10 import static org.opendaylight.netvirt.bgpmanager.oam.BgpConstants.HISTORY_LIMIT;
  11 import static org.opendaylight.netvirt.bgpmanager.oam.BgpConstants.HISTORY_THRESHOLD;
  12
  13 import com.google.common.base.Optional;
  14 import com.google.common.base.Preconditions;
  15 import com.google.common.net.InetAddresses;
  16 import com.google.common.util.concurrent.Futures;
  17 import com.google.common.util.concurrent.ListenableFuture;
  18 import com.google.common.util.concurrent.ThreadFactoryBuilder;
  19 import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  20 import io.netty.util.concurrent.GlobalEventExecutor;
  21 import java.lang.reflect.Constructor;
  22 import java.lang.reflect.InvocationTargetException;
  23 import java.net.InetAddress;
  24 import java.net.InetSocketAddress;
  25 import java.net.NetworkInterface;
  26 import java.net.SocketException;
  27 import java.util.ArrayList;
  28 import java.util.Collection;
  29 import java.util.Collections;
  30 import java.util.Enumeration;
  31 import java.util.HashMap;
  32 import java.util.Iterator;
  33 import java.util.List;
  34 import java.util.Map;
  35 import java.util.Objects;
  36 import java.util.Timer;
  37 import java.util.concurrent.Callable;
  38 import java.util.concurrent.ConcurrentHashMap;
  39 import java.util.concurrent.CountDownLatch;
  40 import java.util.concurrent.ExecutionException;
  41 import java.util.concurrent.Executors;
  42 import java.util.concurrent.Future;
  43 import java.util.concurrent.ScheduledExecutorService;
  44 import java.util.concurrent.ScheduledFuture;
  45 import java.util.concurrent.TimeUnit;
  46 import java.util.concurrent.TimeoutException;
  47 import java.util.concurrent.atomic.AtomicBoolean;
  48 import java.util.concurrent.atomic.AtomicInteger;
  49 import java.util.concurrent.atomic.AtomicReference;
  50 import javax.annotation.PreDestroy;
  51 import javax.inject.Inject;
  52 import javax.inject.Singleton;
  53 import org.apache.thrift.TApplicationException;
  54 import org.apache.thrift.TException;
  55 import org.apache.thrift.transport.TTransport;
  56 import org.eclipse.jdt.annotation.Nullable;
  57 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  58 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  59 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  60 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  61 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  62 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  63 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  64 import org.opendaylight.genius.mdsalutil.NwConstants;
  65 import org.opendaylight.genius.utils.clustering.EntityOwnershipUtils;
  66 import org.opendaylight.infrautils.metrics.MetricProvider;
  67 import org.opendaylight.mdsal.eos.binding.api.Entity;
  68 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipCandidateRegistration;
  69 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipListenerRegistration;
  70 import org.opendaylight.mdsal.eos.binding.api.EntityOwnershipService;
  71 import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
  72 import org.opendaylight.mdsal.eos.common.api.EntityOwnershipChangeState;
  73 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
  74 import org.opendaylight.netvirt.bgpmanager.commands.ClearBgpCli;
  75 import org.opendaylight.netvirt.bgpmanager.oam.BgpAlarms;
  76 import org.opendaylight.netvirt.bgpmanager.oam.BgpConstants;
  77 import org.opendaylight.netvirt.bgpmanager.oam.BgpCounters;
  78 import org.opendaylight.netvirt.bgpmanager.thrift.client.BgpRouter;
  79 import org.opendaylight.netvirt.bgpmanager.thrift.client.BgpRouterException;
  80 import org.opendaylight.netvirt.bgpmanager.thrift.client.BgpSyncHandle;
  81 import org.opendaylight.netvirt.bgpmanager.thrift.gen.Routes;
  82 import org.opendaylight.netvirt.bgpmanager.thrift.gen.Update;
  83 import org.opendaylight.netvirt.bgpmanager.thrift.gen.af_afi;
  84 import org.opendaylight.netvirt.bgpmanager.thrift.gen.af_safi;
  85 import org.opendaylight.netvirt.bgpmanager.thrift.gen.protocol_type;
  86 import org.opendaylight.netvirt.bgpmanager.thrift.gen.qbgpConstants;
  87 import org.opendaylight.netvirt.bgpmanager.thrift.server.BgpThriftService;
  88 import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
  89 import org.opendaylight.netvirt.vpnmanager.api.intervpnlink.IVpnLinkService;
  90 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionHistory;
  91 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionType;
  92 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebfd.rev190219.BfdConfig;
  93 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebfd.rev190219.BfdConfigBuilder;
  94 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.AddressFamily;
  95 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp;
  96 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.BgpControlPlaneType;
  97 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.EbgpService;
  98 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.EncapType;
  99 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.InitiateEorInput;
 100 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.InitiateEorOutput;
 101 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.InitiateEorOutputBuilder;
 102 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.TcpMd5SignaturePasswordType;
 103 //import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.*;
 104 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.AsId;
 105 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.AsIdBuilder;
 106 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.ConfigServer;
 107 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.ConfigServerBuilder;
 108 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.DcgwTepList;
 109 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.GracefulRestart;
 110 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.GracefulRestartBuilder;
 111 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.Logging;
 112 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.LoggingBuilder;
 113 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.MultipathContainer;
 114 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.NeighborsContainer;
 115 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.NetworksContainer;
 116 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.VrfMaxpathContainer;
 117 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.VrfsContainer;
 118 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.dcgw.tep.list.DcgwTep;
 119 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.dcgw.tep.list.DcgwTepBuilder;
 120 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.dcgw.tep.list.DcgwTepKey;
 121 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.multipathcontainer.Multipath;
 122 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.multipathcontainer.MultipathBuilder;
 123 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.multipathcontainer.MultipathKey;
 124 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.Neighbors;
 125 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.NeighborsBuilder;
 126 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.NeighborsKey;
 127 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.AddressFamilies;
 128 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.AddressFamiliesBuilder;
 129 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.AddressFamiliesKey;
 130 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.EbgpMultihop;
 131 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.EbgpMultihopBuilder;
 132 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.UpdateSource;
 133 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.neighborscontainer.neighbors.UpdateSourceBuilder;
 134 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.networkscontainer.Networks;
 135 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.networkscontainer.NetworksBuilder;
 136 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.networkscontainer.NetworksKey;
 137 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfmaxpathcontainer.VrfMaxpath;
 138 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfmaxpathcontainer.VrfMaxpathBuilder;
 139 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfmaxpathcontainer.VrfMaxpathKey;
 140 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.Vrfs;
 141 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.VrfsBuilder;
 142 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.VrfsKey;
 143 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.vrfs.AddressFamiliesVrf;
 144 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.bgp.vrfscontainer.vrfs.AddressFamiliesVrfBuilder;
 145 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.tcp.security.option.grouping.TcpSecurityOption;
 146 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.tcp.security.option.grouping.tcp.security.option.TcpMd5SignatureOption;
 147 import org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.tcp.security.option.grouping.tcp.security.option.TcpMd5SignatureOptionBuilder;
 148 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
 149 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddressBuilder;
 150 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
 151 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
 152 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
 153 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.macvrfentries.MacVrfEntry;
 154 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
 155 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
 156 import org.opendaylight.yangtools.yang.binding.DataObject;
 157 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 158 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.InstanceIdentifierBuilder;
 159 import org.opendaylight.yangtools.yang.common.RpcError;
 160 import org.opendaylight.yangtools.yang.common.RpcResult;
 161 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
 162 import org.opendaylight.yangtools.yang.common.Uint32;
 163 import org.osgi.framework.BundleContext;
 164 import org.osgi.util.tracker.ServiceTracker;
 165 import org.slf4j.Logger;
 166 import org.slf4j.LoggerFactory;
 167
 168 @Singleton
 169 public class BgpConfigurationManager implements EbgpService {
 170     private static final Logger LOG = LoggerFactory.getLogger(BgpConfigurationManager.class);
 171
 172     // to have stale FIB map (RD, Prefix)
 173     //  number of seconds wait for route sync-up between ODL and BGP
 174     private static final int BGP_RESTART_ROUTE_SYNC_SEC = 600;
 175     private static final String UPDATE_PORT = "bgp.thrift.service.port";
 176     private static final String CONFIG_HOST = "vpnservice.bgpspeaker.host.name";
 177     private static final String CONFIG_PORT = "vpnservice.bgpspeaker.thrift.port";
 178     private static final String DEF_UPORT = "6644";
 179     private static final String DEF_CHOST = "255.255.255.255"; // Invalid Host IP
 180     private static final String DEF_CPORT = "7644";
 181     private static final String DEF_BGP_SDNC_MIP = "127.0.0.1";
 182     //vpnservice.bgp.thrift.bgp.mip is the MIP present with ODL. Here we open 6644 port
 183     private static final String BGP_SDNC_MIP = "vpnservice.bgp.thrift.bgp.mip";
 184     private static final String BGP_GR_RESTART_TIMER_PROPERTY = "vpnservice.bgp.gr.timer";
 185     private static final String BGP_KA_TIMER_PROPERTY = "vpnservice.bgp.ka.timer";
 186     private static final String BGP_HOLD_TIMER_PROPERTY = "vpnservice.bgp.hold.timer";
 187     private static final String BGP_EOR_DELAY_PROPERTY = "vpnservice.bgp.eordelay";
 188     private static final int DEF_BGP_KA_TIME = 60;
 189     private static final int DEF_BGP_HOLD_TIME = 180;
 190     private static final int DEF_BGP_GR_TIME = 4000;
 191     private static final int RESTART_DEFAULT_GR = 90;
 192     private static final int DS_RETRY_COUNT = 100; //100 retries, each after WAIT_TIME_BETWEEN_EACH_TRY_MILLIS seconds
 193     private static final long WAIT_TIME_BETWEEN_EACH_TRY_MILLIS = 1000L; //one second sleep after every retry
 194     private static final String BGP_ENTITY_TYPE_FOR_OWNERSHIP = "bgp";
 195     private static final String BGP_EOR_DELAY = "vpnservice.bgp.eordelay";
 196     private static final String DEF_BGP_EOR_DELAY = "1800";
 197     private static final String BGP_ENTITY_NAME = "bgp";
 198     private static final String ADD_WARN = "Config store updated; undo with Delete if needed.";
 199     private static final String DEL_WARN = "Config store updated; undo with Add if needed.";
 200     private static final String UPD_WARN = "Update operation not supported; Config store updated;"
 201             + " restore with another Update if needed.";
 202     private static long bgp_as_num = 0;
 203     private int bgpKaTime = 0;
 204     private int bgpHoldTime = 0;
 205     private int bgpGrRestartTime = 0;
 206
 207     private static final Class<?>[] REACTORS = {
 208         ConfigServerReactor.class, AsIdReactor.class,
 209         GracefulRestartReactor.class, LoggingReactor.class,
 210         NeighborsReactor.class, UpdateSourceReactor.class,
 211         EbgpMultihopReactor.class, AddressFamiliesReactor.class,
 212         NetworksReactor.class, VrfsReactor.class, BgpReactor.class,
 213         MultipathReactor.class, VrfMaxpathReactor.class, BfdConfigReactor.class
 214     };
 215
 216     private IBgpManager bgpManager;
 217     private final DataBroker dataBroker;
 218     private final FibDSWriter fibDSWriter;
 219     private final IVpnLinkService vpnLinkService;
 220     private final BundleContext bundleContext;
 221     private final BgpUtil bgpUtil;
 222     private volatile Bgp config;
 223     private final BgpRouter bgpRouter;
 224     private final BgpSyncHandle bgpSyncHandle = new BgpSyncHandle();
 225     private volatile BgpThriftService bgpThriftService = null;
 226     private final int delayEorSeconds;
 227
 228     private final CountDownLatch initer = new CountDownLatch(1);
 229
 230     private final String hostStartup;
 231     private final String portStartup;
 232
 233     private final AtomicReference<BgpCounters> bgpCountersReference = new AtomicReference<>();
 234     private ScheduledFuture<?> bgpCountersTask;
 235
 236     private final AtomicReference<BgpAlarms> bgpAlarmsReference = new AtomicReference<>();
 237     private ScheduledFuture<?> bgpAlarmsTask;
 238
 239     private Future<?> lastReplayJobFt;
 240     private ScheduledFuture<?> routeCleanupFuture;
 241
 242     private long staleStartTime;
 243     private long staleEndTime;
 244     private long cfgReplayStartTime;
 245     private long cfgReplayEndTime;
 246     private long staleCleanupTime;
 247     private int totalStaledCount;
 248     private int totalCleared;
 249     private int totalExternalRoutes;
 250     private int totalExternalMacRoutes;
 251
 252     private final ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor(
 253             new ThreadFactoryBuilder().setNameFormat("BgpConfigurationManager-%d").setDaemon(true).build());
 254
 255     /**
 256      * this map store the new address families to send to quagga. When it is sended you must clear it.
 257      * The keys String are rd (route distinguisher).
 258      * */
 259     private final ConcurrentHashMap<String, List<AddressFamiliesVrf>> mapNewAdFamily = new ConcurrentHashMap<>();
 260
 261     // map<rd, map<prefix/len:nexthop, label>>
 262     private final Map<String, Map<String, Uint32>> staledFibEntriesMap = new ConcurrentHashMap<>();
 263
 264     // map<rd, map<tep-ip, map<mac, l2vni>>>
 265     private final Map<String, Map<String, Map<String, Uint32>>> rt2TepMap = new ConcurrentHashMap<>();
 266
 267     private final List<AutoCloseable> listeners = new ArrayList<>();
 268
 269     private final EntityOwnershipUtils entityOwnershipUtils;
 270     private final EntityOwnershipCandidateRegistration candidateRegistration;
 271     private final EntityOwnershipListenerRegistration entityListenerRegistration;
 272     private final MetricProvider metricProvider;
 273     private final TransactionHistory bgpUpdatesHistory;
 274
 275     private volatile AtomicBoolean eorSupressedDuetoUpgradeFlag = new AtomicBoolean(false);
 276
 277     @Inject
 278     public BgpConfigurationManager(final DataBroker dataBroker,
 279             final EntityOwnershipService entityOwnershipService,
 280             final FibDSWriter fibDSWriter,
 281             final IVpnLinkService vpnLinkSrvce,
 282             final BundleContext bundleContext,
 283             final BgpUtil bgpUtil,
 284             final MetricProvider metricProvider) {
 285         this.dataBroker = dataBroker;
 286         this.fibDSWriter = fibDSWriter;
 287         this.vpnLinkService = vpnLinkSrvce;
 288         this.bundleContext = bundleContext;
 289         this.bgpUtil = bgpUtil;
 290         this.metricProvider = metricProvider;
 291         hostStartup = getProperty(CONFIG_HOST, DEF_CHOST);
 292         portStartup = getProperty(CONFIG_PORT, DEF_CPORT);
 293         bgpKaTime =
 294                 Integer.parseInt(getProperty(BGP_KA_TIMER_PROPERTY,
 295                         Integer.toString(DEF_BGP_KA_TIME)));
 296         bgpHoldTime =
 297                 Integer.parseInt(getProperty(BGP_HOLD_TIMER_PROPERTY,
 298                         Integer.toString(DEF_BGP_HOLD_TIME)));
 299         bgpGrRestartTime =
 300                 Integer.parseInt(getProperty(BGP_GR_RESTART_TIMER_PROPERTY,
 301                         Integer.toString(DEF_BGP_GR_TIME)));
 302         LOG.info("ConfigServer at {}:{}", hostStartup, portStartup);
 303         VtyshCli.setHostAddr(hostStartup);
 304         ClearBgpCli.setHostAddr(hostStartup);
 305         bgpUpdatesHistory = new TransactionHistory(HISTORY_LIMIT, HISTORY_THRESHOLD);
 306         bgpRouter = BgpRouter.newInstance(this::getConfig, this::isBGPEntityOwner, bgpUpdatesHistory);
 307         delayEorSeconds = Integer.parseInt(getProperty(BGP_EOR_DELAY, DEF_BGP_EOR_DELAY));
 308
 309         entityOwnershipUtils = new EntityOwnershipUtils(entityOwnershipService);
 310
 311         candidateRegistration = registerEntityCandidate(entityOwnershipService);
 312         entityListenerRegistration = registerEntityListener(entityOwnershipService);
 313
 314         LOG.info("BGP Configuration manager initialized");
 315         initer.countDown();
 316
 317         GlobalEventExecutor.INSTANCE.execute(() -> {
 318             ServiceTracker<IBgpManager, ?> tracker = null;
 319             try {
 320                 tracker = new ServiceTracker<>(bundleContext, IBgpManager.class, null);
 321                 tracker.open();
 322                 bgpManager = (IBgpManager) tracker.waitForService(TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES));
 323                 Preconditions.checkState(bgpManager != null, "IBgpManager service not found");
 324             } catch (InterruptedException e) {
 325                 throw new IllegalStateException("Error retrieving IBgpManager service", e);
 326             } finally {
 327                 if (tracker != null) {
 328                     tracker.close();
 329                 }
 330             }
 331
 332             String updatePort = getProperty(UPDATE_PORT, DEF_UPORT);
 333             if (InetAddresses.isInetAddress(getBgpSdncMipIp())) {
 334                 InetSocketAddress bgpThriftServerSocketAddr = new InetSocketAddress(getBgpSdncMipIp(),
 335                         Integer.parseInt(updatePort));
 336                 bgpThriftService = new BgpThriftService(bgpThriftServerSocketAddr, bgpManager, this);
 337                 if (isBGPEntityOwner()) {
 338                     //I am EoS owner of BGP, opening bgp thrift UPDATE-SERVER port.
 339                     LOG.info("BGP Configuration manager initialized: UPDATE-SERVER started");
 340                     bgpThriftService.start();
 341                 }
 342                 LOG.info("UPDATE server started :ip:port={}:{}", getBgpSdncMipIp(), updatePort);
 343             } else {
 344                 LOG.error("Failed to init UPDATE server invalid ip:port={}:{}", getBgpSdncMipIp(), updatePort);
 345             }
 346         });
 347         registerCallbacks();
 348         LOG.info("BgpConfigurationManager initialized. IBgpManager={}", bgpManager);
 349     }
 350
 351     public String getBgpSdncMipIp() {
 352         return getProperty(BGP_SDNC_MIP, DEF_BGP_SDNC_MIP);
 353     }
 354
 355     public long getStaleCleanupTime() {
 356         return staleCleanupTime;
 357     }
 358
 359     public void setStaleCleanupTime(long staleCleanupTime) {
 360         this.staleCleanupTime = staleCleanupTime;
 361     }
 362
 363     public long getCfgReplayEndTime() {
 364         return cfgReplayEndTime;
 365     }
 366
 367     public void setCfgReplayEndTime(long cfgReplayEndTime) {
 368         this.cfgReplayEndTime = cfgReplayEndTime;
 369     }
 370
 371     public TransactionHistory getBgpUpdatesHistory() {
 372         return bgpUpdatesHistory;
 373     }
 374
 375     public long getCfgReplayStartTime() {
 376         return cfgReplayStartTime;
 377     }
 378
 379     public void setCfgReplayStartTime(long cfgReplayStartTime) {
 380         this.cfgReplayStartTime = cfgReplayStartTime;
 381     }
 382
 383     public long getStaleEndTime() {
 384         return staleEndTime;
 385     }
 386
 387     public void setStaleEndTime(long staleEndTime) {
 388         this.staleEndTime = staleEndTime;
 389     }
 390
 391     public long getStaleStartTime() {
 392         return staleStartTime;
 393     }
 394
 395     public void setStaleStartTime(long staleStartTime) {
 396         this.staleStartTime = staleStartTime;
 397     }
 398
 399     private Object createListener(Class<?> cls) {
 400         try {
 401             Constructor<?> ctor = cls.getConstructor(BgpConfigurationManager.class);
 402             return ctor.newInstance(this);
 403         } catch (NoSuchMethodException | IllegalAccessException | InstantiationException | InvocationTargetException
 404                 e) {
 405             LOG.error("Failed to create listener object", e);
 406             return null;
 407         }
 408     }
 409
 410     private void registerCallbacks() {
 411         for (Class<?> reactor : REACTORS) {
 412             Object obj = createListener(reactor);
 413             if (obj != null) {
 414                 AsyncDataTreeChangeListenerBase dcl = (AsyncDataTreeChangeListenerBase) obj;
 415                 dcl.registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
 416                 listeners.add(dcl);
 417             }
 418         }
 419     }
 420
 421     @SuppressWarnings("checkstyle:IllegalCatch")
 422     @PreDestroy
 423     public void close() {
 424         executor.shutdown();
 425
 426         if (bgpThriftService != null) {
 427             bgpThriftService.stop();
 428             bgpThriftService = null;
 429         }
 430
 431         if (isBgpConnected()) {
 432             //disconnect the CONFIG SERVER port (which was )opened during I was Owner
 433             bgpRouter.disconnect();
 434         }
 435
 436         if (candidateRegistration != null) {
 437             candidateRegistration.close();
 438         }
 439
 440         entityListenerRegistration.close();
 441
 442         listeners.forEach(l -> {
 443             try {
 444                 l.close();
 445             } catch (Exception e) {
 446                 LOG.warn("Error closing {}", l ,e);
 447             }
 448         });
 449
 450         LOG.info("{} close", getClass().getSimpleName());
 451     }
 452
 453     private String getProperty(String var, String def) {
 454         String property = bundleContext.getProperty(var);
 455         return property == null ? def : property;
 456     }
 457
 458     private EntityOwnershipCandidateRegistration registerEntityCandidate(
 459             final EntityOwnershipService entityOwnershipService) {
 460         try {
 461             return entityOwnershipService.registerCandidate(
 462                     new Entity(BGP_ENTITY_TYPE_FOR_OWNERSHIP, BGP_ENTITY_NAME));
 463         } catch (CandidateAlreadyRegisteredException e) {
 464             LOG.error("failed to register bgp entity", e);
 465             return null;
 466         }
 467     }
 468
 469     private EntityOwnershipListenerRegistration registerEntityListener(
 470             final EntityOwnershipService entityOwnershipService) {
 471         return entityOwnershipService.registerListener(BGP_ENTITY_TYPE_FOR_OWNERSHIP, ownershipChange -> {
 472             LOG.info("entity owner change event fired: {}", ownershipChange);
 473
 474             if (ownershipChange.getState() == EntityOwnershipChangeState.LOCAL_OWNERSHIP_GRANTED) {
 475                 LOG.info("This PL is the Owner");
 476                 if (bgpThriftService != null) {
 477                     //opening UPDATE-SERVER port.
 478                     bgpThriftService.start();
 479                 } else {
 480                     LOG.error("I am the owner of BGP entity, but bgpThriftService is not initialized yet");
 481                 }
 482                 bgpRestarted();
 483             } else {
 484                 LOG.info("Not owner: hasOwner: {}, isOwner: {}", ownershipChange.getState().hasOwner(),
 485                         ownershipChange.getState().isOwner());
 486                 if (bgpThriftService != null && bgpThriftService.isBgpThriftServiceStarted()) {
 487                     //close the bgp Thrift Update-SERVER port opened on non-Entity Owner
 488                     bgpThriftService.stop();
 489                 }
 490                 if (isBgpConnected()) {
 491                     //disconnect the CONFIG SERVER port (which was )opened during I was Owner
 492                     bgpRouter.disconnect();
 493                 }
 494             }
 495         });
 496     }
 497
 498     public boolean isBGPEntityOwner() {
 499         if (entityOwnershipUtils == null) {
 500             LOG.error("entityOwnershipUtils is NULL when listener callbacks fired");
 501             return false;
 502         }
 503         return entityOwnershipUtils.isEntityOwner(new Entity(BGP_ENTITY_TYPE_FOR_OWNERSHIP, BGP_ENTITY_NAME), 0, 1);
 504     }
 505
 506     public Bgp get() {
 507         config = getConfig();
 508         return config;
 509     }
 510
 511     public class ConfigServerReactor
 512             extends AsyncDataTreeChangeListenerBase<ConfigServer, ConfigServerReactor>
 513             implements ClusteredDataTreeChangeListener<ConfigServer> {
 514         private static final String YANG_OBJ = "config-server ";
 515
 516         public ConfigServerReactor() {
 517             super(ConfigServer.class, ConfigServerReactor.class);
 518         }
 519
 520         @Override
 521         protected void add(InstanceIdentifier<ConfigServer> iid, ConfigServer val) {
 522             LOG.trace("received bgp connect config host {}", val.getHost().getValue());
 523             if (!isBGPEntityOwner()) {
 524                 return;
 525             }
 526
 527             try {
 528                 initer.await();
 529             } catch (InterruptedException e) {
 530                 // Ignored
 531             }
 532             LOG.debug("issueing bgp router connect to host {}", val.getHost().getValue());
 533             bgpRouter.configServerUpdated();
 534             synchronized (BgpConfigurationManager.this) {
 535                 boolean res = bgpRouter.connect(val.getHost().getValue(),
 536                         val.getPort().intValue());
 537                 if (!res) {
 538                     LOG.error(YANG_OBJ + "Add failed; " + ADD_WARN);
 539                 }
 540             }
 541             VtyshCli.setHostAddr(val.getHost().getValue());
 542             ClearBgpCli.setHostAddr(val.getHost().getValue());
 543         }
 544
 545         @Override
 546         protected ConfigServerReactor getDataTreeChangeListener() {
 547             return ConfigServerReactor.this;
 548         }
 549
 550         @Override
 551         protected InstanceIdentifier<ConfigServer> getWildCardPath() {
 552             return InstanceIdentifier.create(Bgp.class).child(ConfigServer.class);
 553         }
 554
 555         @Override
 556         protected void remove(InstanceIdentifier<ConfigServer> iid, ConfigServer val) {
 557             LOG.trace("received bgp disconnect");
 558             if (!isBGPEntityOwner()) {
 559                 return;
 560             }
 561
 562             bgpRouter.configServerUpdated();
 563
 564             synchronized (BgpConfigurationManager.this) {
 565                 if (bgp_as_num != 0) {
 566                     try {
 567                         bgpRouter.stopBgp(bgp_as_num);
 568                         stopBgpCountersTask();
 569                         stopBgpAlarmsTask();
 570                     } catch (TException | BgpRouterException e) {
 571                         LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
 572                     }
 573                 } else {
 574                     LOG.debug("bgp as-id is null while removing config-server");
 575                 }
 576                 bgpRouter.disconnect();
 577             }
 578         }
 579
 580         @Override
 581         protected void update(InstanceIdentifier<ConfigServer> iid,
 582                 ConfigServer oldval, ConfigServer newval) {
 583             LOG.trace("received bgp Connection update");
 584             if (!isBGPEntityOwner()) {
 585                 return;
 586             }
 587             LOG.error(YANG_OBJ + UPD_WARN);
 588         }
 589     }
 590
 591     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
 592             justification = "https://github.com/spotbugs/spotbugs/issues/811")
 593     private BgpRouter getClient(String yangObj) {
 594         if (bgpRouter == null || !bgpRouter.isBgpConnected()) {
 595             LOG.warn("{}: configuration received when BGP is inactive", yangObj);
 596             return null;
 597         }
 598         return bgpRouter;
 599     }
 600
 601     public class AsIdReactor
 602             extends AsyncDataTreeChangeListenerBase<AsId, AsIdReactor>
 603             implements ClusteredDataTreeChangeListener<AsId> {
 604
 605         private static final String YANG_OBJ = "as-id ";
 606
 607         public AsIdReactor() {
 608             super(AsId.class, AsIdReactor.class);
 609         }
 610
 611         @Override
 612         protected void add(InstanceIdentifier<AsId> iid, AsId val) {
 613             LOG.error("received bgp add asid {}", val);
 614             if (!isBGPEntityOwner()) {
 615                 return;
 616             }
 617             LOG.debug("received add router config asNum {}", val.getLocalAs());
 618             bgp_as_num = val.getLocalAs().longValue();
 619             synchronized (BgpConfigurationManager.this) {
 620                 BgpRouter br = getClient(YANG_OBJ);
 621                 if (br == null) {
 622                     LOG.debug("{} Unable to process add for asNum {}; {} {}", YANG_OBJ, val.getLocalAs(),
 623                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 624                     return;
 625                 }
 626                 bgpRestarted();
 627
 628                 startBgpCountersTask();
 629                 startBgpAlarmsTask();
 630             }
 631         }
 632
 633         @Override
 634         protected AsIdReactor getDataTreeChangeListener() {
 635             return AsIdReactor.this;
 636         }
 637
 638         @Override
 639         protected InstanceIdentifier<AsId> getWildCardPath() {
 640             return InstanceIdentifier.create(Bgp.class).child(AsId.class);
 641         }
 642
 643         @Override
 644         protected void remove(InstanceIdentifier<AsId> iid, AsId val) {
 645             LOG.error("received delete router config asNum {}", val.getLocalAs());
 646             if (!isBGPEntityOwner()) {
 647                 return;
 648             }
 649             synchronized (BgpConfigurationManager.this) {
 650                 long asNum = val.getLocalAs().toJava();
 651                 BgpRouter br = getClient(YANG_OBJ);
 652                 bgp_as_num = 0;
 653                 if (br == null) {
 654                     LOG.debug("{} Unable to process remove for asNum {}; {} {}", YANG_OBJ, asNum,
 655                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
 656                     return;
 657                 }
 658                 try {
 659                     br.stopBgp(asNum);
 660                 } catch (TException | BgpRouterException e) {
 661                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
 662                 }
 663
 664                 stopBgpCountersTask();
 665                 stopBgpAlarmsTask();
 666
 667                 Bgp conf = getConfig();
 668                 if (conf == null) {
 669                     LOG.error("Config Null while removing the as-id");
 670                     return;
 671                 }
 672                 LOG.debug("Removing external routes from FIB");
 673                 deleteExternalFibRoutes();
 674                 List<Neighbors> nbrs = conf.getNeighborsContainer().getNeighbors();
 675                 if (nbrs != null && nbrs.size() > 0) {
 676                     LOG.error("Tring to remove the as-id when neighbor config is already present");
 677                     for (Neighbors nbr : nbrs) {
 678                         LOG.debug("Removing Neighbor {} from Data store", nbr.getAddress().getValue());
 679                         delNeighbor(nbr.getAddress().getValue());
 680                     }
 681                 }
 682             }
 683         }
 684
 685         @Override
 686         protected void update(InstanceIdentifier<AsId> iid,
 687                 AsId oldval, AsId newval) {
 688             if (!isBGPEntityOwner()) {
 689                 return;
 690             }
 691             LOG.error(YANG_OBJ + UPD_WARN);
 692         }
 693     }
 694
 695     public class GracefulRestartReactor
 696             extends AsyncDataTreeChangeListenerBase<GracefulRestart, GracefulRestartReactor>
 697             implements ClusteredDataTreeChangeListener<GracefulRestart> {
 698
 699         private static final String YANG_OBJ = "graceful-restart ";
 700
 701         public GracefulRestartReactor() {
 702             super(GracefulRestart.class, GracefulRestartReactor.class);
 703         }
 704
 705         @Override
 706         protected void add(InstanceIdentifier<GracefulRestart> iid, GracefulRestart val) {
 707             if (!isBGPEntityOwner()) {
 708                 return;
 709             }
 710             synchronized (BgpConfigurationManager.this) {
 711                 int stalePathTime = val.getStalepathTime().intValue();
 712                 BgpRouter br = getClient(YANG_OBJ);
 713                 if (br == null) {
 714                     LOG.error("{} Unable to add stale-path time {}; {} {}", YANG_OBJ, stalePathTime,
 715                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 716                     return;
 717                 }
 718                 try {
 719                     br.addGracefulRestart(stalePathTime);
 720                 } catch (TException | BgpRouterException e) {
 721                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
 722                 }
 723             }
 724         }
 725
 726         @Override
 727         protected GracefulRestartReactor getDataTreeChangeListener() {
 728             return GracefulRestartReactor.this;
 729         }
 730
 731         @Override
 732         protected InstanceIdentifier<GracefulRestart> getWildCardPath() {
 733             return InstanceIdentifier.create(Bgp.class).child(GracefulRestart.class);
 734         }
 735
 736         @Override
 737         protected void remove(InstanceIdentifier<GracefulRestart> iid, GracefulRestart val) {
 738             if (!isBGPEntityOwner()) {
 739                 return;
 740             }
 741             LOG.debug("received delete GracefulRestart config val {}", val.getStalepathTime().intValue());
 742             synchronized (BgpConfigurationManager.this) {
 743                 BgpRouter br = getClient(YANG_OBJ);
 744                 if (br == null) {
 745                     LOG.error("{} Unable to delete stale-path time; {} {}", YANG_OBJ,
 746                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
 747                     return;
 748                 }
 749                 try {
 750                     br.delGracefulRestart();
 751                 } catch (TException | BgpRouterException e) {
 752                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
 753                 }
 754             }
 755         }
 756
 757         @Override
 758         protected void update(InstanceIdentifier<GracefulRestart> iid,
 759                 GracefulRestart oldval, GracefulRestart newval) {
 760             if (!isBGPEntityOwner()) {
 761                 return;
 762             }
 763             LOG.debug("received update GracefulRestart config val {}", newval.getStalepathTime().intValue());
 764             synchronized (BgpConfigurationManager.this) {
 765                 int stalePathTime = newval.getStalepathTime().intValue();
 766                 BgpRouter br = getClient(YANG_OBJ);
 767                 if (br == null) {
 768                     LOG.error("{} Unable to update stale-path time to {}; {} {}", YANG_OBJ, stalePathTime,
 769                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 770                     return;
 771                 }
 772                 try {
 773                     br.addGracefulRestart(stalePathTime);
 774                 } catch (TException | BgpRouterException e) {
 775                     LOG.error("{} update received exception; {}", YANG_OBJ, ADD_WARN, e);
 776                 }
 777             }
 778         }
 779     }
 780
 781     public class LoggingReactor
 782             extends AsyncDataTreeChangeListenerBase<Logging, LoggingReactor>
 783             implements ClusteredDataTreeChangeListener<Logging> {
 784
 785         private static final String YANG_OBJ = "logging ";
 786
 787         public LoggingReactor() {
 788             super(Logging.class, LoggingReactor.class);
 789         }
 790
 791         @Override
 792         protected void add(InstanceIdentifier<Logging> iid, Logging val) {
 793             if (!isBGPEntityOwner()) {
 794                 return;
 795             }
 796             synchronized (BgpConfigurationManager.this) {
 797                 BgpRouter br = getClient(YANG_OBJ);
 798                 if (br == null) {
 799                     LOG.error("{} Unable to add logging for qbgp; {} {}", YANG_OBJ,
 800                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 801                     return;
 802                 }
 803                 try {
 804                     br.setLogging(val.getFile(), val.getLevel());
 805                 } catch (TException | BgpRouterException e) {
 806                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
 807                 }
 808             }
 809         }
 810
 811         @Override
 812         protected LoggingReactor getDataTreeChangeListener() {
 813             return LoggingReactor.this;
 814         }
 815
 816         @Override
 817         protected InstanceIdentifier<Logging> getWildCardPath() {
 818             return InstanceIdentifier.create(Bgp.class).child(Logging.class);
 819         }
 820
 821         @Override
 822         protected void remove(InstanceIdentifier<Logging> iid, Logging val) {
 823             if (!isBGPEntityOwner()) {
 824                 return;
 825             }
 826             LOG.debug("received remove Logging config val {}", val.getLevel());
 827             synchronized (BgpConfigurationManager.this) {
 828                 BgpRouter br = getClient(YANG_OBJ);
 829                 if (br == null) {
 830                     LOG.error("{} Unable to remove logging for qbgp; {} {}", YANG_OBJ,
 831                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
 832                     return;
 833                 }
 834                 try {
 835                     br.setLogging(BgpConstants.BGP_DEF_LOG_FILE, BgpConstants.BGP_DEF_LOG_LEVEL);
 836                 } catch (TException | BgpRouterException e) {
 837                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
 838                 }
 839             }
 840         }
 841
 842         @Override
 843         protected void update(InstanceIdentifier<Logging> iid,
 844                 Logging oldval, Logging newval) {
 845             if (!isBGPEntityOwner()) {
 846                 return;
 847             }
 848             synchronized (BgpConfigurationManager.this) {
 849                 BgpRouter br = getClient(YANG_OBJ);
 850                 if (br == null) {
 851                     LOG.error("{} Unable to update logging for qbgp; {} {}", YANG_OBJ,
 852                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 853                     return;
 854                 }
 855                 try {
 856                     br.setLogging(newval.getFile(), newval.getLevel());
 857                 } catch (TException | BgpRouterException e) {
 858                     LOG.error("{} newval received exception; {}", YANG_OBJ, ADD_WARN, e);
 859                 }
 860             }
 861         }
 862     }
 863
 864     public class NeighborsReactor
 865             extends AsyncDataTreeChangeListenerBase<Neighbors, NeighborsReactor>
 866             implements ClusteredDataTreeChangeListener<Neighbors> {
 867
 868         private static final String YANG_OBJ = "neighbors ";
 869
 870         public NeighborsReactor() {
 871             super(Neighbors.class, NeighborsReactor.class);
 872         }
 873
 874         @Override
 875         protected void add(InstanceIdentifier<Neighbors> iid, Neighbors val) {
 876             if (!isBGPEntityOwner()) {
 877                 return;
 878             }
 879             LOG.debug("received add Neighbors config val {}", val.getAddress().getValue());
 880             synchronized (BgpConfigurationManager.this) {
 881                 String peerIp = val.getAddress().getValue();
 882                 long as = val.getRemoteAs().toJava();
 883                 final String md5Secret = extractMd5Secret(val);
 884                 BgpRouter br = getClient(YANG_OBJ);
 885                 if (br == null) {
 886                     LOG.debug("{} Unable to process add for peer {} as {}; {} {}", YANG_OBJ, peerIp, as,
 887                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 888                     return;
 889                 }
 890                 try {
 891                     //itmProvider.buildTunnelsToDCGW(new IpAddress(peerIp.toCharArray()));
 892                     br.addNeighbor(peerIp, as, md5Secret);
 893
 894                 } catch (TException | BgpRouterException e) {
 895                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
 896                 }
 897             }
 898         }
 899
 900         @Override
 901         protected NeighborsReactor getDataTreeChangeListener() {
 902             return NeighborsReactor.this;
 903         }
 904
 905         @Override
 906         protected InstanceIdentifier<Neighbors> getWildCardPath() {
 907             return InstanceIdentifier.create(Bgp.class).child(NeighborsContainer.class).child(Neighbors.class);
 908         }
 909
 910         @Override
 911         protected void remove(InstanceIdentifier<Neighbors> iid, Neighbors val) {
 912             if (!isBGPEntityOwner()) {
 913                 return;
 914             }
 915             LOG.debug("received remove Neighbors config val {}", val.getAddress().getValue());
 916             synchronized (BgpConfigurationManager.this) {
 917                 String peerIp = val.getAddress().getValue();
 918                 BgpRouter br = getClient(YANG_OBJ);
 919                 if (br == null) {
 920                     LOG.debug("{} Unable to process remove for peer {}; {} {}", YANG_OBJ, peerIp,
 921                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
 922                     return;
 923                 }
 924                 try {
 925                     //itmProvider.deleteTunnelsToDCGW(new IpAddress(val.getAddress().getValue().toCharArray()));
 926                     br.delNeighbor(peerIp);
 927                 } catch (TException | BgpRouterException e) {
 928                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
 929                 }
 930
 931                 final BgpAlarms bgpAlarms = getBgpAlarms();
 932                 if (bgpAlarms != null) {
 933                     bgpAlarms.clearBgpNbrDownAlarm(peerIp);
 934                 }
 935
 936                 if (bgpUtil.isBfdEnabled()) {
 937                     final BgpCounters bgpCounters = getBgpCounters();
 938                     if (bgpCounters != null) {
 939                         bgpCounters.clearBfdNbrCounters(peerIp);
 940                     }
 941                 }
 942             }
 943         }
 944
 945         @Override
 946         protected void update(InstanceIdentifier<Neighbors> iid,
 947                 Neighbors oldval, Neighbors newval) {
 948             if (!isBGPEntityOwner()) {
 949                 return;
 950             }
 951             //purposefully nothing to do.
 952         }
 953     }
 954
 955     public class EbgpMultihopReactor
 956             extends AsyncDataTreeChangeListenerBase<EbgpMultihop, EbgpMultihopReactor>
 957             implements ClusteredDataTreeChangeListener<EbgpMultihop> {
 958
 959         private static final String YANG_OBJ = "ebgp-multihop ";
 960
 961         public EbgpMultihopReactor() {
 962             super(EbgpMultihop.class, EbgpMultihopReactor.class);
 963         }
 964
 965         @Override
 966         protected void add(InstanceIdentifier<EbgpMultihop> iid, EbgpMultihop val) {
 967             if (!isBGPEntityOwner()) {
 968                 return;
 969             }
 970             LOG.debug("received add EbgpMultihop config val {}", val.getPeerIp().getValue());
 971             synchronized (BgpConfigurationManager.this) {
 972                 String peerIp = val.getPeerIp().getValue();
 973                 BgpRouter br = getClient(YANG_OBJ);
 974                 if (br == null) {
 975                     LOG.debug("{} Unable to process add for peer {}; {} {}", YANG_OBJ, peerIp,
 976                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
 977                     return;
 978                 }
 979                 try {
 980                     br.addEbgpMultihop(peerIp, val.getNhops().intValue());
 981                 } catch (TException | BgpRouterException e) {
 982                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
 983                 }
 984             }
 985         }
 986
 987         @Override
 988         protected EbgpMultihopReactor getDataTreeChangeListener() {
 989             return EbgpMultihopReactor.this;
 990         }
 991
 992         @Override
 993         protected InstanceIdentifier<EbgpMultihop> getWildCardPath() {
 994             return InstanceIdentifier.create(Bgp.class).child(NeighborsContainer.class).child(Neighbors.class)
 995                     .child(EbgpMultihop.class);
 996         }
 997
 998         @Override
 999         protected void remove(InstanceIdentifier<EbgpMultihop> iid, EbgpMultihop val) {
1000             if (!isBGPEntityOwner()) {
1001                 return;
1002             }
1003             LOG.debug("received remove EbgpMultihop config val {}", val.getPeerIp().getValue());
1004             synchronized (BgpConfigurationManager.this) {
1005                 String peerIp = val.getPeerIp().getValue();
1006                 BgpRouter br = getClient(YANG_OBJ);
1007                 if (br == null) {
1008                     LOG.debug("{} Unable to process remove for peer {}; {} {}", YANG_OBJ, peerIp,
1009                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
1010                     return;
1011                 }
1012                 try {
1013                     br.delEbgpMultihop(peerIp);
1014                 } catch (TException | BgpRouterException e) {
1015                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
1016                 }
1017             }
1018         }
1019
1020         @Override
1021         protected void update(InstanceIdentifier<EbgpMultihop> iid,
1022                 EbgpMultihop oldval, EbgpMultihop newval) {
1023             if (!isBGPEntityOwner()) {
1024                 return;
1025             }
1026             LOG.error(YANG_OBJ + UPD_WARN);
1027         }
1028     }
1029
1030     public class UpdateSourceReactor
1031             extends AsyncDataTreeChangeListenerBase<UpdateSource, UpdateSourceReactor>
1032             implements ClusteredDataTreeChangeListener<UpdateSource> {
1033
1034         private static final String YANG_OBJ = "update-source ";
1035
1036         public UpdateSourceReactor() {
1037             super(UpdateSource.class, UpdateSourceReactor.class);
1038         }
1039
1040         @Override
1041         protected void add(InstanceIdentifier<UpdateSource> iid, UpdateSource val) {
1042             if (!isBGPEntityOwner()) {
1043                 return;
1044             }
1045             LOG.debug("received add UpdateSource config val {}", val.getSourceIp().getValue());
1046             synchronized (BgpConfigurationManager.this) {
1047                 String peerIp = val.getPeerIp().getValue();
1048                 BgpRouter br = getClient(YANG_OBJ);
1049                 if (br == null) {
1050                     LOG.debug("{} Unable to process add for peer {}; {} {}", YANG_OBJ, peerIp,
1051                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1052                     return;
1053                 }
1054                 try {
1055                     br.addUpdateSource(peerIp, val.getSourceIp().getValue());
1056                 } catch (TException | BgpRouterException e) {
1057                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
1058                 }
1059             }
1060         }
1061
1062         @Override
1063         protected UpdateSourceReactor getDataTreeChangeListener() {
1064             return UpdateSourceReactor.this;
1065         }
1066
1067         @Override
1068         protected InstanceIdentifier<UpdateSource> getWildCardPath() {
1069             return InstanceIdentifier.create(Bgp.class).child(NeighborsContainer.class).child(Neighbors.class)
1070                     .child(UpdateSource.class);
1071         }
1072
1073         @Override
1074         protected void remove(InstanceIdentifier<UpdateSource> iid, UpdateSource val) {
1075             if (!isBGPEntityOwner()) {
1076                 return;
1077             }
1078             LOG.debug("received remove UpdateSource config val {}", val.getSourceIp().getValue());
1079             synchronized (BgpConfigurationManager.this) {
1080                 String peerIp = val.getPeerIp().getValue();
1081                 BgpRouter br = getClient(YANG_OBJ);
1082                 if (br == null) {
1083                     LOG.debug("{} Unable to process remove for peer {}; {} {}", YANG_OBJ, peerIp,
1084                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
1085                     return;
1086                 }
1087                 try {
1088                     br.delUpdateSource(peerIp);
1089                 } catch (TException | BgpRouterException e) {
1090                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
1091                 }
1092             }
1093         }
1094
1095         @Override
1096         protected void update(InstanceIdentifier<UpdateSource> iid,
1097                 UpdateSource oldval, UpdateSource newval) {
1098             if (!isBGPEntityOwner()) {
1099                 return;
1100             }
1101             LOG.error(YANG_OBJ + UPD_WARN);
1102         }
1103     }
1104
1105     public class AddressFamiliesReactor
1106             extends AsyncDataTreeChangeListenerBase<AddressFamilies, AddressFamiliesReactor>
1107             implements ClusteredDataTreeChangeListener<AddressFamilies> {
1108
1109         private static final String YANG_OBJ = "address-families ";
1110
1111         public AddressFamiliesReactor() {
1112             super(AddressFamilies.class, AddressFamiliesReactor.class);
1113         }
1114
1115         @Override
1116         protected void add(InstanceIdentifier<AddressFamilies> iid, AddressFamilies val) {
1117             if (!isBGPEntityOwner()) {
1118                 return;
1119             }
1120             LOG.debug("received add AddressFamilies config val {}", val.getPeerIp().getValue());
1121             synchronized (BgpConfigurationManager.this) {
1122                 String peerIp = val.getPeerIp().getValue();
1123                 BgpRouter br = getClient(YANG_OBJ);
1124                 if (br == null) {
1125                     LOG.debug("{} Unable to process add for peer {}; {} {}", YANG_OBJ, peerIp,
1126                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1127                     return;
1128                 }
1129                 af_afi afi = af_afi.findByValue(val.getAfi().intValue());
1130                 af_safi safi = af_safi.findByValue(val.getSafi().intValue());
1131                 try {
1132                     br.addAddressFamily(peerIp, afi, safi);
1133                 } catch (TException | BgpRouterException e) {
1134                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
1135                 }
1136             }
1137         }
1138
1139         @Override
1140         protected AddressFamiliesReactor getDataTreeChangeListener() {
1141             return AddressFamiliesReactor.this;
1142         }
1143
1144         @Override
1145         protected InstanceIdentifier<AddressFamilies> getWildCardPath() {
1146             return InstanceIdentifier.create(Bgp.class).child(NeighborsContainer.class).child(Neighbors.class)
1147                     .child(AddressFamilies.class);
1148         }
1149
1150         @Override
1151         protected void remove(InstanceIdentifier<AddressFamilies> iid, AddressFamilies val) {
1152             if (!isBGPEntityOwner()) {
1153                 return;
1154             }
1155             LOG.debug("received remove AddressFamilies config val {}", val.getPeerIp().getValue());
1156             synchronized (BgpConfigurationManager.this) {
1157                 String peerIp = val.getPeerIp().getValue();
1158                 BgpRouter br = getClient(YANG_OBJ);
1159                 if (br == null) {
1160                     LOG.debug("{} Unable to process remove for peer {}; {} {}", YANG_OBJ, peerIp,
1161                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
1162                     return;
1163                 }
1164                 af_afi afi = af_afi.findByValue(val.getAfi().intValue());
1165                 af_safi safi = af_safi.findByValue(val.getSafi().intValue());
1166                 try {
1167                     br.delAddressFamily(peerIp, afi, safi);
1168                 } catch (TException | BgpRouterException e) {
1169                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
1170                 }
1171             }
1172         }
1173
1174         @Override
1175         protected void update(InstanceIdentifier<AddressFamilies> iid,
1176                 AddressFamilies oldval, AddressFamilies newval) {
1177             if (!isBGPEntityOwner()) {
1178                 return;
1179             }
1180             LOG.error(YANG_OBJ + UPD_WARN);
1181         }
1182     }
1183
1184     public class NetworksReactor
1185             extends AsyncDataTreeChangeListenerBase<Networks, NetworksReactor>
1186             implements ClusteredDataTreeChangeListener<Networks> {
1187
1188         private static final String YANG_OBJ = "networks ";
1189
1190         public NetworksReactor() {
1191             super(Networks.class, NetworksReactor.class);
1192         }
1193
1194         @Override
1195         public NetworksReactor getDataTreeChangeListener() {
1196             return NetworksReactor.this;
1197         }
1198
1199         @Override
1200         protected void add(InstanceIdentifier<Networks> iid, Networks val) {
1201             if (!isBGPEntityOwner()) {
1202                 return;
1203             }
1204             LOG.debug("received add Networks config val {}", val.getPrefixLen());
1205             synchronized (BgpConfigurationManager.this) {
1206                 String rd = val.getRd();
1207                 String pfxlen = val.getPrefixLen();
1208                 String nh = val.getNexthop().getValue();
1209                 BgpRouter br = getClient(YANG_OBJ);
1210                 if (br == null) {
1211                     LOG.debug("{} Unable to process add for rd {} prefix {} nexthop {}; {} {}", YANG_OBJ, rd, pfxlen,
1212                             nh, BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1213                     return;
1214                 }
1215                 Long label = val.getLabel().toJava();
1216                 int lbl = label == null ? qbgpConstants.LBL_NO_LABEL
1217                         : label.intValue();
1218                 int l3vni = val.getL3vni() == null ? qbgpConstants.LBL_NO_LABEL
1219                         : val.getL3vni().intValue();
1220                 int l2vni = val.getL2vni() == null ? qbgpConstants.LBL_NO_LABEL
1221                         : val.getL2vni().intValue();
1222
1223                 BgpControlPlaneType protocolType = val.getBgpControlPlaneType();
1224                 int ethernetTag = val.getEthtag().intValue();
1225                 String esi = val.getEsi();
1226                 String macaddress = val.getMacaddress();
1227                 EncapType encapType = val.getEncapType();
1228                 String routerMac = val.getRoutermac();
1229
1230                 try {
1231                     br.addPrefix(rd, pfxlen, nh, lbl, l3vni, l2vni, BgpUtil.convertToThriftProtocolType(protocolType),
1232                             ethernetTag, esi, macaddress, BgpUtil.convertToThriftEncapType(encapType), routerMac);
1233                 } catch (TException | BgpRouterException e) {
1234                     LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
1235                 }
1236             }
1237         }
1238
1239         @Override
1240         protected InstanceIdentifier<Networks> getWildCardPath() {
1241             return InstanceIdentifier.create(Bgp.class).child(NetworksContainer.class).child(Networks.class);
1242         }
1243
1244         @Override
1245         protected void remove(InstanceIdentifier<Networks> iid, Networks val) {
1246             if (!isBGPEntityOwner()) {
1247                 return;
1248             }
1249             LOG.debug("received remove Networks config val {}", val.getPrefixLen());
1250             synchronized (BgpConfigurationManager.this) {
1251                 String rd = val.getRd();
1252                 String pfxlen = val.getPrefixLen();
1253                 BgpRouter br = getClient(YANG_OBJ);
1254                 if (br == null) {
1255                     LOG.debug("{} Unable to process remove for rd {} prefix {}; {} {}", YANG_OBJ, rd, pfxlen,
1256                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
1257                     return;
1258                 }
1259                 Long label = val.getLabel().toJava();
1260                 int lbl = label == null ? 0 : label.intValue();
1261                 if (rd == null && lbl > 0) {
1262                     //LU prefix is being deleted.
1263                     rd = Integer.toString(lbl);
1264                 }
1265                 try {
1266                     br.delPrefix(rd, pfxlen);
1267                 } catch (TException | BgpRouterException e) {
1268                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
1269                 }
1270             }
1271         }
1272
1273         /**get the value AFI from a prefix as "x.x.x.x/x".
1274          *
1275          * @param pfxlen the prefix to get an afi
1276          * @return the afi value as you are need
1277          */
1278         public  int  testValueAFI(String pfxlen) {
1279             int afiNew = af_afi.AFI_IP.getValue();
1280             try {
1281                 String ipOnly = pfxlen.substring(0, pfxlen.lastIndexOf("/"));
1282                 java.net.Inet6Address.getByName(ipOnly);
1283                 afiNew = af_afi.AFI_IPV6.getValue();
1284             } catch (java.net.UnknownHostException e) {
1285                 //ce n'est pas de l'ipv6
1286             }
1287             return afiNew;
1288         }
1289
1290
1291         @Override
1292         protected void update(final InstanceIdentifier<Networks> iid,
1293                 final Networks oldval, final Networks newval) {
1294             if (!isBGPEntityOwner()) {
1295                 return;
1296             }
1297             if (oldval.equals(newval)) {
1298                 //Update: OLD and New values are same, no need to trigger remove/add.
1299                 LOG.debug("received Updated for the same OLD and New values. RD: {}, Prefix: {}, Label: {}, NH: {}",
1300                         oldval.getRd(), oldval.getPrefixLen(), oldval.getLabel(), oldval.getNexthop());
1301                 return;
1302             }
1303             LOG.debug("update networks old val RD: {}, Prefix: {}, Label: {}, NH: {} "
1304                             + "new val RD: {}, Prefix: {}, Label: {}, NH: {}",
1305                     oldval.getRd(), oldval.getPrefixLen(), oldval.getLabel(), oldval.getNexthop(),
1306                     newval.getRd(), newval.getPrefixLen(), newval.getLabel(), newval.getNexthop());
1307             remove(iid, oldval);
1308             add(iid, newval);
1309         }
1310     }
1311
1312     static Timer timer = new Timer();
1313
1314     public class VrfsReactor
1315             extends AsyncDataTreeChangeListenerBase<Vrfs, VrfsReactor>
1316             implements ClusteredDataTreeChangeListener<Vrfs> {
1317
1318         private static final String YANG_OBJ = "vrfs ";
1319
1320         public VrfsReactor() {
1321             super(Vrfs.class, VrfsReactor.class);
1322         }
1323
1324         @Override
1325         protected void add(InstanceIdentifier<Vrfs> iid, Vrfs vrfs) {
1326             if (!isBGPEntityOwner()) {
1327                 return;
1328             }
1329             LOG.debug("received add Vrfs config value {}", vrfs.getRd());
1330             synchronized (BgpConfigurationManager.this) {
1331                 String rd = vrfs.getRd();
1332                 BgpRouter br = getClient(YANG_OBJ);
1333                 if (br == null) {
1334                     LOG.debug("{} Unable to process add for rd {}; {} {}", YANG_OBJ, rd,
1335                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1336                     return;
1337                 }
1338                 try {
1339                     List<AddressFamiliesVrf> vrfAddrFamilyList = vrfs.getAddressFamiliesVrf();
1340                     for (AddressFamiliesVrf vrfAddrFamily : vrfAddrFamilyList) {
1341                         /*add to br the new vrfs arguments*/
1342                         br.addVrf(BgpUtil.getLayerType(vrfAddrFamily), rd, vrfs.getImportRts(),
1343                                 vrfs.getExportRts(), vrfAddrFamily.getAfi().toJava(), vrfAddrFamily.getSafi().toJava());
1344                     }
1345                     /*add to br the vrfs contained in mapNewAdFamily*/
1346                     List<AddressFamiliesVrf> vrfAddrFamilyListFromMap = mapNewAdFamily.get(rd);
1347                     if (vrfAddrFamilyListFromMap == null) {
1348                         return;
1349                     }
1350
1351                     for (AddressFamiliesVrf adf : vrfAddrFamilyListFromMap) {
1352                         if (vrfAddrFamilyList.contains(adf)) {
1353                             mapNewAdFamily.remove(rd);
1354                         } else  if (adf != null) {
1355
1356                             br.addVrf(BgpUtil.getLayerType(adf), rd, vrfs.getImportRts(),
1357                                     vrfs.getExportRts(), adf.getAfi().toJava(), adf.getSafi().toJava());
1358                             // remove AddressFamiliesVrf which was already added to BGP
1359                             vrfAddrFamilyListFromMap.remove(adf);
1360                             if (vrfAddrFamilyListFromMap.isEmpty()) {
1361                                 // remove Vrf entry from temp mapNewAdFamily if all its AddressFamiliesVrf was
1362                                 // added to BGP
1363                                 mapNewAdFamily.remove(rd);
1364                             }
1365                         }
1366                     }
1367                 } catch (TException | BgpRouterException e) {
1368                     LOG.error("{} get {}, Add received exception", YANG_OBJ, ADD_WARN, e);
1369                 }
1370             }
1371         }
1372
1373         @Override
1374         protected VrfsReactor getDataTreeChangeListener() {
1375             return VrfsReactor.this;
1376         }
1377
1378         @Override
1379         protected InstanceIdentifier<Vrfs> getWildCardPath() {
1380             return InstanceIdentifier.create(Bgp.class).child(VrfsContainer.class).child(Vrfs.class);
1381         }
1382
1383         @Override
1384         protected void remove(InstanceIdentifier<Vrfs> iid, Vrfs val) {
1385             if (!isBGPEntityOwner()) {
1386                 return;
1387             }
1388             LOG.debug("received remove Vrfs config val {}", val.getRd());
1389             synchronized (BgpConfigurationManager.this) {
1390                 String rd = val.getRd();
1391                 BgpRouter br = getClient(YANG_OBJ);
1392                 if (br == null) {
1393                     LOG.debug("{} Unable to process remove for rd {}; {} {}", YANG_OBJ, rd,
1394                             BgpRouterException.BGP_ERR_NOT_INITED, DEL_WARN);
1395                     return;
1396                 }
1397                 try {
1398                     List<AddressFamiliesVrf> adf = mapNewAdFamily.get(rd);
1399                     adf = adf != null ? adf : new ArrayList<>();
1400                     for (AddressFamiliesVrf s : val.getAddressFamiliesVrf()) {
1401                         br.delVrf(rd, s.getAfi().toJava(), s.getSafi().toJava());
1402                         adf.remove(s);// remove in the map the vrf in waiting for advertise quagga
1403                     }
1404                     if (adf.isEmpty()) {
1405                         mapNewAdFamily.remove(rd);
1406                     }
1407                 } catch (TException | BgpRouterException e) {
1408                     LOG.error("{} Delete received exception; {}", YANG_OBJ, DEL_WARN, e);
1409                 }
1410             }
1411         }
1412
1413         @Override
1414         protected void update(InstanceIdentifier<Vrfs> iid,
1415                 Vrfs oldval, Vrfs newval) {
1416             if (oldval != null && newval != null) {
1417                 LOG.debug("received update Vrfs config val {}, VRFS: Update getting triggered for VRFS rd {}",
1418                         newval.getRd(), oldval.getRd());
1419             } else {
1420                 LOG.debug("received update Vrfs config val {}, from old vrf {}",
1421                         newval, oldval);
1422             }
1423             if (!isBGPEntityOwner()) {
1424                 return;
1425             }
1426
1427             List<AddressFamiliesVrf> adFamilyVrfToDel = new ArrayList<>();
1428             List<AddressFamiliesVrf> adFamilyVrfToAdd = new ArrayList<>();
1429             List<AddressFamiliesVrf> oldlistAdFamilies = new ArrayList<>();
1430             List<AddressFamiliesVrf> newlistAdFamilies = new ArrayList<>();
1431             if (oldval != null) {
1432                 oldlistAdFamilies = oldval.getAddressFamiliesVrf() == null
1433                         ? new ArrayList<>() : oldval.getAddressFamiliesVrf();
1434             }
1435             if (newval != null) {
1436                 newlistAdFamilies = newval.getAddressFamiliesVrf() == null
1437                         ? new ArrayList<>() : newval.getAddressFamiliesVrf();
1438             }
1439             /*find old AddressFamily to remove from new configuration*/
1440             for (AddressFamiliesVrf adVrf : oldlistAdFamilies) {
1441                 if (!newlistAdFamilies.contains(adVrf)) {
1442                     adFamilyVrfToDel.add(adVrf);
1443                 }
1444             }
1445             /*find new AddressFamily to add to unexisting configuration*/
1446             for (AddressFamiliesVrf adVrf : newlistAdFamilies) {
1447                 if (!oldlistAdFamilies.contains(adVrf)) {
1448                     adFamilyVrfToAdd.add(adVrf);
1449                 }
1450             }
1451             String rd = newval != null ? newval.getRd() : null;
1452             if (rd != null) {
1453                 BgpRouter br = getClient(YANG_OBJ);
1454                 if (br == null) {
1455                     LOG.debug("{} Unable to process add for rd {}; {} {}", YANG_OBJ, rd,
1456                             BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1457                     return;
1458                 }
1459
1460                 for (AddressFamiliesVrf adfvrf : adFamilyVrfToAdd) {
1461                     try {
1462                         LOG.debug("call addVRf rd {} afi {} safi {}", rd, adfvrf.getAfi(), adfvrf.getSafi());
1463                         br.addVrf(BgpUtil.getLayerType(adfvrf), rd, newval.getImportRts(),
1464                                 newval.getExportRts(),adfvrf.getAfi().toJava(), adfvrf.getSafi().toJava());
1465                     } catch (TException | BgpRouterException e) {
1466                         LOG.error("{} Add received exception; {}", YANG_OBJ, ADD_WARN, e);
1467                     }
1468                 }
1469
1470                 for (AddressFamiliesVrf adfToDel : adFamilyVrfToDel) {
1471                     try {
1472                         LOG.debug("call delVRf rd {} afi {} safi {}", rd, adfToDel.getAfi(), adfToDel.getSafi());
1473                         br.delVrf(rd, adfToDel.getAfi().toJava(), adfToDel.getSafi().toJava());
1474                     } catch (TException | BgpRouterException e) {
1475                         LOG.error("{} delVrf received exception; {}", YANG_OBJ, ADD_WARN, e);
1476                     }
1477                 }
1478             }
1479         }
1480     }
1481
1482     public class BgpReactor
1483             extends AsyncDataTreeChangeListenerBase<Bgp, BgpReactor>
1484             implements ClusteredDataTreeChangeListener<Bgp> {
1485
1486         private static final String YANG_OBJ = "Bgp ";
1487
1488         public BgpReactor() {
1489             super(Bgp.class, BgpReactor.class);
1490         }
1491
1492
1493         @Override
1494         protected void add(InstanceIdentifier<Bgp> iid, Bgp val) {
1495             LOG.debug("received add Bgp config");
1496
1497             try {
1498                 initer.await();
1499             } catch (InterruptedException e) {
1500                 // Ignored
1501             }
1502             synchronized (BgpConfigurationManager.this) {
1503                 config = val;
1504                 if (!isBGPEntityOwner()) {
1505                     return;
1506                 }
1507             }
1508         }
1509
1510         @Override
1511         protected BgpReactor getDataTreeChangeListener() {
1512             return BgpReactor.this;
1513         }
1514
1515         @Override
1516         protected InstanceIdentifier<Bgp> getWildCardPath() {
1517             return InstanceIdentifier.create(Bgp.class);
1518         }
1519
1520         @Override
1521         protected void remove(InstanceIdentifier<Bgp> iid, Bgp val) {
1522             if (!isBGPEntityOwner()) {
1523                 return;
1524             }
1525             LOG.debug("received remove Bgp config");
1526
1527             config = null;
1528         }
1529
1530         @Override
1531         protected void update(InstanceIdentifier<Bgp> iid,
1532                 Bgp oldval, Bgp newval) {
1533             if (!isBGPEntityOwner()) {
1534                 return;
1535             }
1536
1537             config = newval;
1538         }
1539     }
1540
1541     @SuppressWarnings("deprecation")
1542     public class MultipathReactor
1543             extends AsyncDataTreeChangeListenerBase<Multipath, MultipathReactor>
1544             implements ClusteredDataTreeChangeListener<Multipath> {
1545
1546         private static final String YANG_OBJ = "multipath ";
1547
1548         public MultipathReactor() {
1549             super(Multipath.class, MultipathReactor.class);
1550         }
1551
1552
1553         @Override
1554         protected MultipathReactor getDataTreeChangeListener() {
1555             return MultipathReactor.this;
1556         }
1557
1558         @Override
1559         protected InstanceIdentifier<Multipath> getWildCardPath() {
1560             return InstanceIdentifier.create(Bgp.class).child(MultipathContainer.class).child(Multipath.class);
1561         }
1562
1563         @Override
1564         protected void remove(InstanceIdentifier<Multipath> iid, Multipath val) {
1565             executor.execute(new MultipathStatusChange(val));
1566         }
1567
1568         @Override
1569         protected void update(InstanceIdentifier<Multipath> iid, Multipath oldval, Multipath newval) {
1570             executor.execute(new MultipathStatusChange(newval));
1571         }
1572
1573         @Override
1574         protected void add(InstanceIdentifier<Multipath> key, Multipath dataObjectModification) {
1575             executor.execute(new MultipathStatusChange(dataObjectModification));
1576         }
1577
1578         class MultipathStatusChange implements Runnable {
1579
1580             Multipath multipath;
1581
1582             MultipathStatusChange(Multipath multipath) {
1583                 this.multipath = multipath;
1584             }
1585
1586             @Override
1587             public void run() {
1588                 if (isBGPEntityOwner()) {
1589                     synchronized (BgpConfigurationManager.this) {
1590
1591                         BgpRouter br = getClient(YANG_OBJ);
1592
1593                         if (br != null) {
1594                             af_afi afi = af_afi.findByValue(multipath.getAfi().intValue());
1595                             af_safi safi = af_safi.findByValue(multipath.getSafi().intValue());
1596
1597                             try {
1598                                 if (multipath.isMultipathEnabled()) {
1599                                     br.enableMultipath(afi, safi);
1600                                 } else {
1601                                     br.disableMultipath(afi, safi);
1602                                 }
1603                             } catch (TException | BgpRouterException e) {
1604                                 LOG.error("{} received exception", YANG_OBJ, e);
1605                             }
1606                         }
1607                     }
1608                 }
1609             }
1610
1611         }
1612
1613         @Override
1614         public void close() {
1615             super.close();
1616         }
1617     }
1618
1619     @SuppressWarnings("deprecation")
1620     public class VrfMaxpathReactor
1621             extends AsyncDataTreeChangeListenerBase<VrfMaxpath, VrfMaxpathReactor>
1622             implements ClusteredDataTreeChangeListener<VrfMaxpath> {
1623
1624         private static final String YANG_OBJ = "vrfMaxpath ";
1625
1626         public VrfMaxpathReactor() {
1627             super(VrfMaxpath.class, VrfMaxpathReactor.class);
1628         }
1629
1630
1631         @Override
1632         protected VrfMaxpathReactor getDataTreeChangeListener() {
1633             return VrfMaxpathReactor.this;
1634         }
1635
1636         @Override
1637         protected InstanceIdentifier<VrfMaxpath> getWildCardPath() {
1638             return InstanceIdentifier.create(Bgp.class).child(VrfMaxpathContainer.class).child(VrfMaxpath.class);
1639         }
1640
1641         class VrfMaxPathConfigurator implements Runnable {
1642
1643             VrfMaxpath vrfMaxpathVal;
1644
1645             VrfMaxPathConfigurator(VrfMaxpath vrfMaxPathVal) {
1646                 this.vrfMaxpathVal = vrfMaxPathVal;
1647             }
1648
1649             @Override
1650             public void run() {
1651                 if (isBGPEntityOwner()) {
1652                     synchronized (BgpConfigurationManager.this) {
1653                         BgpRouter br = getClient(YANG_OBJ);
1654                         if (br != null) {
1655                             try {
1656                                 br.multipaths(vrfMaxpathVal.getRd(), vrfMaxpathVal.getMaxpaths().toJava());
1657                                 LOG.debug("Maxpath for vrf {} is {}", vrfMaxpathVal.getRd(),
1658                                         vrfMaxpathVal.getMaxpaths());
1659                             } catch (TException | BgpRouterException e) {
1660                                 LOG.error("{} received exception", YANG_OBJ, e);
1661                             }
1662                         }
1663                     }
1664                 }
1665             }
1666         }
1667
1668         @Override
1669         protected void remove(InstanceIdentifier<VrfMaxpath> iid, VrfMaxpath vrfMaxPathVal) {
1670             if (isBGPEntityOwner()) {
1671                 synchronized (BgpConfigurationManager.this) {
1672                     BgpRouter br = getClient(YANG_OBJ);
1673                     if (br != null) {
1674                         try {
1675                             br.multipaths(vrfMaxPathVal.getRd(), BgpConstants.BGP_DEFAULT_MULTIPATH);
1676                             LOG.debug("Del Maxpath for vrf: {} ", vrfMaxPathVal.getRd());
1677                         } catch (TException | BgpRouterException e) {
1678                             LOG.error(YANG_OBJ + " del received exception:", e);
1679                         }
1680                     }
1681                 }
1682             }
1683         }
1684
1685         @Override
1686         protected void update(InstanceIdentifier<VrfMaxpath> iid,
1687                               VrfMaxpath oldval, VrfMaxpath newval) {
1688             if (!Objects.equals(oldval.getMaxpaths(), newval.getMaxpaths())) {
1689                 executor.execute(new VrfMaxPathConfigurator(newval));
1690             }
1691         }
1692
1693         @Override
1694         protected void add(InstanceIdentifier<VrfMaxpath> instanceIdentifier, VrfMaxpath vrfMaxpathVal) {
1695             executor.execute(new VrfMaxPathConfigurator(vrfMaxpathVal));
1696         }
1697
1698         @Override
1699         public void close() {
1700             super.close();
1701         }
1702     }
1703
1704     public class BfdConfigReactor
1705             extends AsyncDataTreeChangeListenerBase<BfdConfig, BfdConfigReactor>
1706             implements ClusteredDataTreeChangeListener<BfdConfig> {
1707
1708         private static final String YANG_OBJ = "BfdConfig ";
1709
1710         public BfdConfigReactor() {
1711             super(BfdConfig.class, BfdConfigReactor.class);
1712         }
1713
1714         @Override
1715         protected void add(InstanceIdentifier<BfdConfig> iid, BfdConfig val) {
1716             if (!isBGPEntityOwner()) {
1717                 return;
1718             }
1719             BgpRouter br = getClient(YANG_OBJ);
1720             LOG.debug("received bfd config: bfd enabled {} min-rx {} min-tx {} detect-mul {} mhop {}",
1721                     val.isBfdEnabled(), val.getMinRx(), val.getMinTx(),
1722                     val.getDetectMult(), val.isMultihop());
1723             if (br == null) {
1724                 LOG.debug(YANG_OBJ + "{} Unable to process add  {}",
1725                         BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1726                 return;
1727             }
1728             if (val.isBfdEnabled() == false) {
1729                 LOG.debug("BFD not enabled. Ignoring the config add");
1730                 return;
1731             }
1732             int minRx = val.getMinRx().intValue();
1733             int minTx = val.getMinTx().intValue();
1734             int detectMult = val.getDetectMult().intValue();
1735             boolean multiHop = val.isMultihop();
1736             try {
1737                 br.addBfd(detectMult, minRx, minTx,multiHop);
1738             } catch (TException | BgpRouterException e) {
1739                 LOG.error("{} get {}, Add received exception;", YANG_OBJ, ADD_WARN, e);
1740             }
1741         }
1742
1743         @Override
1744         protected BfdConfigReactor getDataTreeChangeListener() {
1745             return BfdConfigReactor.this;
1746         }
1747
1748         @Override
1749         protected InstanceIdentifier<BfdConfig> getWildCardPath() {
1750             return InstanceIdentifier.create(BfdConfig.class);
1751         }
1752
1753         @Override
1754         protected void remove(InstanceIdentifier<BfdConfig> iid, BfdConfig val) {
1755             if (!isBGPEntityOwner()) {
1756                 return;
1757             }
1758             LOG.debug("received bfd config removal");
1759             BgpRouter br = getClient(YANG_OBJ);
1760             if (br == null) {
1761                 LOG.debug("{} Unable to process del {}  {}", YANG_OBJ,
1762                         BgpRouterException.BGP_ERR_NOT_INITED, ADD_WARN);
1763                 return;
1764             }
1765             try {
1766                 br.delBfd();
1767             } catch (TException | BgpRouterException e) {
1768                 LOG.error("{} get {}, Del received exception;", YANG_OBJ, ADD_WARN, e);
1769             }
1770
1771         }
1772
1773         @Override
1774         protected void update(InstanceIdentifier<BfdConfig> iid,
1775                               BfdConfig oldval, BfdConfig newval) {
1776             LOG.debug("received bfd config: updated oldval bfd enabled {}"
1777                     + "min-rx {} min-tx {} detect-mul {} mhop {}",
1778                     oldval.isBfdEnabled(), oldval.getMinRx(), oldval.getMinTx(),
1779                     oldval.getDetectMult(), oldval.isMultihop());
1780             LOG.debug("received bfd config: updated newval bfd enabled {}"
1781                     + "min-rx {} min-tx {} detect-mul {} mhop {}",
1782                     newval.isBfdEnabled(), newval.getMinRx(), newval.getMinTx(),
1783                     newval.getDetectMult(), newval.isMultihop());
1784             if (oldval.isBfdEnabled()) {
1785                 LOG.debug("deleting bfd config on an update");
1786                 remove(iid, oldval);
1787             }
1788             LOG.debug("adding bfd config on an update");
1789             add(iid, newval);
1790         }
1791     }
1792
1793
1794     public boolean isIpAvailable(String odlip) {
1795
1796         try {
1797             if (odlip != null) {
1798                 if ("127.0.0.1".equals(odlip)) {
1799                     return true;
1800                 }
1801                 Enumeration<NetworkInterface> networkInterfaceEnumeration = NetworkInterface.getNetworkInterfaces();
1802                 while (networkInterfaceEnumeration.hasMoreElements()) {
1803                     NetworkInterface networkInterface = networkInterfaceEnumeration.nextElement();
1804                     Enumeration<InetAddress>  inetAddressEnumeration = networkInterface.getInetAddresses();
1805                     while (inetAddressEnumeration.hasMoreElements()) {
1806                         InetAddress inetAddress = inetAddressEnumeration.nextElement();
1807                         if (odlip.equals(inetAddress.getHostAddress())) {
1808                             return true;
1809                         }
1810                     }
1811                 }
1812             }
1813         } catch (SocketException e) {
1814             // Ignored?
1815         }
1816         return false;
1817     }
1818
1819     public long getStalePathtime(int defValue, AsId asId) {
1820         long spt = 0;
1821         try {
1822             spt = getConfig().getGracefulRestart().getStalepathTime().toJava();
1823         } catch (NullPointerException e) {
1824             try {
1825                 spt = asId.getStalepathTime().toJava();
1826                 LOG.trace("BGP config/Stale-path time is not set using graceful");
1827             } catch (NullPointerException ignore) {
1828                 LOG.trace("BGP AS id is not set using graceful");
1829                 spt = defValue;
1830             }
1831         }
1832         if (spt == 0) {
1833             LOG.trace("BGP config/Stale-path time is not set using graceful/start-bgp");
1834             spt = defValue;
1835         }
1836         return spt;
1837     }
1838
1839     public static boolean isValidConfigBgpHostPort(String bgpHost, int bgpPort) {
1840         if (!bgpHost.equals(DEF_CHOST)) {
1841             return true;
1842         } else {
1843             return false;
1844         }
1845     }
1846
1847     public synchronized void bgpRestarted() {
1848         /*
1849          * If there a thread which in the process of stale cleanup, cancel it
1850          * and start a new thread (to avoid processing same again).
1851          */
1852         if (previousReplayJobInProgress()) {
1853             cancelPreviousReplayJob();
1854         }
1855         Runnable task = () -> {
1856             try {
1857                 LOG.info("running bgp replay task ");
1858                 if (get() == null) {
1859                     String host = getConfigHost();
1860                     int port = getConfigPort();
1861                     LOG.info("connecting  to bgp host {} ", host);
1862                     bgpRouter.connect(host, port);
1863                     LOG.info("no config to push in bgp replay task ");
1864                     return;
1865                 }
1866                 setStaleStartTime(System.currentTimeMillis());
1867                 LOG.info("started creating stale fibDSWriter  map ");
1868                 createStaleFibMap();
1869                 setStaleEndTime(System.currentTimeMillis());
1870                 LOG.info("took {} msecs for stale fibDSWriter map creation ", getStaleEndTime() - getStaleStartTime());
1871                 LOG.info("started bgp config replay ");
1872                 setCfgReplayStartTime(System.currentTimeMillis());
1873                 boolean replaySucceded = replay();
1874                 setCfgReplayEndTime(System.currentTimeMillis());
1875                 LOG.info("took {} msecs for bgp replay ", getCfgReplayEndTime() - getCfgReplayStartTime());
1876                 if (replaySucceded) {
1877                     long routeSyncTime = getStalePathtime(BGP_RESTART_ROUTE_SYNC_SEC, config.getAsId());
1878                     setStaleCleanupTime(routeSyncTime);
1879                     LOG.error("starting the stale cleanup timer: {} seconds", routeSyncTime);
1880                     routeCleanupFuture = executor.schedule(new RouteCleanup(), routeSyncTime, TimeUnit.SECONDS);
1881                 } else {
1882                     LOG.error("skipping stale cleanup, may be due to exception while replay");
1883                     staledFibEntriesMap.clear();
1884                 }
1885             } catch (InterruptedException | TimeoutException | ExecutionException eCancel) {
1886                 LOG.error("Stale Cleanup Task Cancelled", eCancel);
1887             }
1888         };
1889         lastReplayJobFt = executor.submit(task);
1890     }
1891
1892     private boolean previousReplayJobInProgress() {
1893         return ((lastReplayJobFt != null && !lastReplayJobFt.isDone())
1894                 || (routeCleanupFuture != null && !routeCleanupFuture.isDone()));
1895     }
1896
1897     private void cancelPreviousReplayJob() {
1898         try {
1899             LOG.error("cancelling already running bgp replay task");
1900             if (lastReplayJobFt != null) {
1901                 lastReplayJobFt.cancel(true);
1902                 lastReplayJobFt = null;
1903                 staledFibEntriesMap.clear();
1904             }
1905             if (routeCleanupFuture != null) {
1906                 routeCleanupFuture.cancel(true);
1907                 routeCleanupFuture = null;
1908                 staledFibEntriesMap.clear();
1909             }
1910             Thread.sleep(2000);
1911         } catch (InterruptedException e) {
1912             LOG.error("Failed to cancel previous replay job ", e);
1913         }
1914     }
1915
1916     private void doRouteSync() {
1917         LOG.error("Starting BGP route sync");
1918         try {
1919             bgpRouter.initRibSync(bgpSyncHandle);
1920         } catch (BgpRouterException e) {
1921             LOG.error("Route sync aborted, exception when initializing", e);
1922             return;
1923         }
1924         while (bgpSyncHandle.getState() != BgpSyncHandle.DONE) {
1925             for (af_afi afi : af_afi.values()) {
1926                 Routes routes = null;
1927                 try {
1928                     routes = bgpRouter.doRibSync(bgpSyncHandle, afi);
1929                 } catch (TException | BgpRouterException e) {
1930                     LOG.error("Route sync aborted, exception when syncing", e);
1931                     return;
1932                 }
1933                 Iterator<Update> updates = routes.getUpdatesIterator();
1934                 while (updates.hasNext()) {
1935                     Update update = updates.next();
1936                     String rd = update.getRd();
1937                     String nexthop = update.getNexthop();
1938
1939                     // TODO: decide correct label here
1940                     int label = update.getL3label();
1941                     int l2label = update.getL2label();
1942
1943                     String prefix = update.getPrefix();
1944                     int plen = update.getPrefixlen();
1945
1946
1947                     // TODO: protocol type will not be available in "update"
1948                     // use "rd" to query vrf table and obtain the protocol_type.
1949                     // Currently using PROTOCOL_EVPN as default.
1950                     onUpdatePushRoute(
1951                            protocol_type.PROTOCOL_L3VPN,
1952                            rd,
1953                            prefix,
1954                            plen,
1955                            nexthop,
1956                            update.getMacaddress(),
1957                            Uint32.valueOf(label),
1958                            Uint32.valueOf(l2label),
1959                            update.getRoutermac(),
1960                            afi);
1961                 }
1962             }
1963         }
1964         try {
1965             LOG.error("Ending BGP route-sync");
1966             bgpRouter.endRibSync(bgpSyncHandle);
1967         } catch (BgpRouterException e) {
1968             // Ignored?
1969         }
1970     }
1971
1972     public void addTepToElanDS(String rd, String tepIp, String mac, Uint32 l2vni) {
1973         boolean needUpdate = addToRt2TepMap(rd, tepIp, mac, l2vni);
1974         if (needUpdate) {
1975             LOG.info("Adding tepIp {} with RD {} to ELan DS", tepIp, rd);
1976             bgpUtil.addTepToElanInstance(rd, tepIp);
1977         } else {
1978             LOG.debug("Skipping the Elan update for RT2 from tep {} rd {}", tepIp, rd);
1979         }
1980     }
1981
1982     public void deleteTepfromElanDS(String rd, String tepIp, String mac) {
1983         boolean needUpdate = deleteFromRt2TepMap(rd, tepIp, mac);
1984         if (needUpdate) {
1985             LOG.info("Deleting tepIp {} with RD {} to ELan DS", tepIp, rd);
1986             bgpUtil.deleteTepFromElanInstance(rd, tepIp);
1987         } else {
1988             LOG.debug("Skipping the Elan update for RT2 withdraw from tep {} rd {}", tepIp, rd);
1989         }
1990     }
1991
1992     /* onUpdatePushRoute
1993      * Get Stale fibDSWriter map, and compare current route/fibDSWriter entry.
1994      *  - Entry compare shall include NextHop, Label.
1995      *  - If entry matches: delete from STALE Map. NO Change to FIB Config DS.
1996      *  - If entry not found, add to FIB Config DS.
1997      *  - If entry found, but either Label/NextHop doesn't match.
1998      *      - Update FIB Config DS with modified values.
1999      *      - delete from Stale Map.
2000      */
2001
2002     public void onUpdatePushRoute(protocol_type protocolType, String rd, String prefix, int plen, String nextHop,
2003                                   String macaddress, Uint32 label, Uint32 l2label, String routermac, af_afi afi) {
2004         PrefixUpdateEvent prefixUpdateEvent = new PrefixUpdateEvent(protocolType,rd,prefix,plen,nextHop,
2005                 macaddress,label,l2label,routermac,afi);
2006         bgpUpdatesHistory.addToHistory(TransactionType.ADD, prefixUpdateEvent);
2007         boolean addroute = false;
2008         boolean macupdate = false;
2009         Uint32 l3vni = Uint32.ZERO;
2010         VrfEntry.EncapType encapType = VrfEntry.EncapType.Mplsgre;
2011         if (protocolType.equals(protocol_type.PROTOCOL_EVPN)) {
2012             encapType = VrfEntry.EncapType.Vxlan;
2013             VpnInstanceOpDataEntry vpnInstanceOpDataEntry = bgpUtil.getVpnInstanceOpData(rd);
2014             if (vpnInstanceOpDataEntry != null) {
2015                 if (vpnInstanceOpDataEntry.getType() == VpnInstanceOpDataEntry.Type.L2) {
2016                     LOG.info("Got RT2 route for RD {} l3label {} l2label {} from tep {} with mac {} remote RD {}",
2017                             vpnInstanceOpDataEntry.getVpnInstanceName(), label, l2label, nextHop, macaddress, rd);
2018                     addTepToElanDS(rd, nextHop, macaddress, l2label);
2019                     macupdate = true;
2020                 } else {
2021                     l3vni = vpnInstanceOpDataEntry.getL3vni();
2022                 }
2023             } else {
2024                 LOG.error("No corresponding vpn instance found for rd {}. Aborting.", rd);
2025                 return;
2026             }
2027         }
2028
2029         if (!staledFibEntriesMap.isEmpty()) {
2030             // restart Scenario, as MAP is not empty.
2031             Map<String, Uint32> map = staledFibEntriesMap.get(rd);
2032             if (map != null) {
2033                 String prefixNextHop = appendNextHopToPrefix(prefix + "/" + plen, nextHop);
2034                 Uint32 labelInStaleMap = map.get(prefixNextHop);
2035                 if (null == labelInStaleMap) {
2036                     // New Entry, which happened to be added during restart.
2037                     addroute = true;
2038                 } else {
2039                     map.remove(prefixNextHop);
2040                     if (isRouteModified(label, labelInStaleMap)) {
2041                         LOG.debug("Route add ** {} ** {}/{} ** {} ** {} ", rd, prefix, plen, nextHop, label);
2042                         // Existing entry, where in Label got modified during restart
2043                         addroute = true;
2044                     }
2045                 }
2046             } else {
2047                 LOG.debug("rd {} map is null while processing prefix {} ", rd, prefix);
2048                 addroute = true;
2049             }
2050         } else {
2051             LOG.debug("Route add ** {} ** {}/{} ** {} ** {} ", rd, prefix, plen, nextHop, label);
2052             addroute = true;
2053         }
2054         if (macupdate) {
2055             LOG.info("ADD: Adding Mac Fib entry rd {} mac{} nexthop {} l2vni {}", rd, macaddress, nextHop, l2label);
2056             fibDSWriter.addMacEntryToDS(rd, macaddress, prefix, Collections.singletonList(nextHop),
2057                     encapType, l2label, routermac, RouteOrigin.BGP);
2058             LOG.info("ADD: Added Mac Fib entry rd {} prefix {} nexthop {} label {}", rd, macaddress, nextHop, l2label);
2059         } else if (addroute) {
2060             LOG.info("ADD: Adding Fib entry rd {} prefix {} nexthop {} label {} afi {}",
2061                     rd, prefix, nextHop, label, afi);
2062             // TODO: modify addFibEntryToDS signature
2063             List<String> nextHopList = Collections.singletonList(nextHop);
2064             fibDSWriter.addFibEntryToDS(rd, prefix + "/" + plen, nextHopList, encapType, label, l3vni,
2065                                         routermac, RouteOrigin.BGP);
2066             LOG.info("ADD: Added Fib entry rd {} prefix {} nexthop {} label {}", rd, prefix, nextHop, label);
2067             String vpnName = bgpUtil.getVpnNameFromRd(rd);
2068             if (vpnName != null) {
2069                 vpnLinkService.leakRouteIfNeeded(vpnName, prefix, nextHopList, label, RouteOrigin.BGP,
2070                                                  NwConstants.ADD_FLOW);
2071             }
2072         }
2073     }
2074
2075     public void onUpdateWithdrawRoute(protocol_type protocolType, String rd, String prefix, int plen, String nextHop,
2076             String macaddress) {
2077         PrefixWithdrawEvent prefixWithdrawEvent = new PrefixWithdrawEvent(protocolType,rd,prefix,plen,
2078                 nextHop,macaddress);
2079         bgpUpdatesHistory.addToHistory(TransactionType.ADD, prefixWithdrawEvent);
2080         boolean macupdate = false;
2081         if (protocolType.equals(protocol_type.PROTOCOL_EVPN)) {
2082             VpnInstanceOpDataEntry vpnInstanceOpDataEntry = bgpUtil.getVpnInstanceOpData(rd);
2083             if (vpnInstanceOpDataEntry != null) {
2084                 Uint32 vni = vpnInstanceOpDataEntry.getL3vni();
2085                 if (vpnInstanceOpDataEntry.getType() == VpnInstanceOpDataEntry.Type.L2) {
2086                     LOG.debug("Got RT2 withdraw for RD {} {} from tep {} with mac {} remote RD {}",
2087                             vpnInstanceOpDataEntry.getVpnInstanceName(), vni, nextHop, macaddress, rd);
2088                     deleteTepfromElanDS(rd, nextHop, macaddress);
2089                     LOG.debug("For rd {}. skipping fib update", rd);
2090                     macupdate = true;
2091                 }
2092             } else {
2093                 LOG.error("No corresponding vpn instance found for rd {}. Aborting.", rd);
2094                 return;
2095             }
2096         }
2097         if (macupdate) {
2098             LOG.info("Removing Mac Fib entry rd {} mac{} nexthop {} ", rd, macaddress, nextHop);
2099             fibDSWriter.removeMacEntryFromDS(rd, macaddress);
2100             LOG.info("Removed Mac Fib entry rd {} prefix {} nexthop {} ", rd, macaddress, nextHop);
2101         } else {
2102             LOG.info("REMOVE: Removing Fib entry rd {} prefix {}", rd, prefix);
2103             fibDSWriter.removeOrUpdateFibEntryFromDS(rd, prefix + "/" + plen, nextHop);
2104             LOG.info("REMOVE: Removed Fib entry rd {} prefix {}", rd, prefix);
2105         }
2106     }
2107
2108     //TODO: below function is for testing purpose with cli
2109     public void onUpdateWithdrawRoute(String rd, String prefix, int plen, String nexthop) {
2110         LOG.debug("Route del ** {} ** {}/{} ", rd, prefix, plen);
2111         fibDSWriter.removeOrUpdateFibEntryFromDS(rd, prefix + "/" + plen, nexthop);
2112         String vpnName = bgpUtil.getVpnNameFromRd(rd);
2113         if (vpnName != null) {
2114             vpnLinkService.leakRouteIfNeeded(vpnName, prefix, null /*nextHopList*/, Uint32.ZERO /*INVALID_LABEL*/,
2115                                              RouteOrigin.BGP, NwConstants.DEL_FLOW);
2116         }
2117     }
2118
2119     public void peerDown(String ipAddress, long asNumber) {
2120         PeerDownEvent peerDownEvent = new PeerDownEvent(ipAddress,asNumber);
2121         bgpUpdatesHistory.addToHistory(TransactionType.ADD, peerDownEvent);
2122         List<String> tepIpList = bgpUtil.getDcgwTepConfig(ipAddress);
2123         if (tepIpList == null) {
2124             LOG.error("No Tep IP configured for DCGW {} on a peerDown", ipAddress);
2125             return;
2126         }
2127         tepIpList.forEach(tepIp -> {
2128             bgpUtil.removeOrUpdateLBGroups(tepIp, NwConstants.MOD_FLOW);
2129         });
2130     }
2131
2132     public void peerUp(String ipAddress, long asNumber) {
2133         PeerUpEvent peerUpEvent = new PeerUpEvent(ipAddress,asNumber);
2134         bgpUpdatesHistory.addToHistory(TransactionType.ADD, peerUpEvent);
2135         List<String> tepIpList = bgpUtil.getDcgwTepConfig(ipAddress);
2136         if (tepIpList == null) {
2137             LOG.error("No Tep IP configured for DCGW {} on a peerUp", ipAddress);
2138             return;
2139         }
2140         tepIpList.forEach(tepIp -> {
2141             bgpUtil.removeOrUpdateLBGroups(tepIp, NwConstants.MOD_FLOW);
2142         });
2143     }
2144
2145     private static boolean isRouteModified(Uint32 label, Uint32 labelInStaleMap) {
2146         return labelInStaleMap != null && !labelInStaleMap.equals(label);
2147     }
2148
2149     static class ReplayNbr {
2150         Neighbors nbr;
2151         boolean shouldRetry = false;
2152
2153         public Neighbors getNbr() {
2154             return nbr;
2155         }
2156
2157         public boolean isShouldRetry() {
2158             return shouldRetry;
2159         }
2160
2161         public void setShouldRetry(boolean retryNbr) {
2162             this.shouldRetry = retryNbr;
2163         }
2164
2165         ReplayNbr(Neighbors nbr, boolean shouldRetry) {
2166             this.nbr = nbr;
2167             this.shouldRetry = shouldRetry;
2168         }
2169     }
2170
2171     private static boolean replayNbrConfig(List<Neighbors> neighbors, BgpRouter br) {
2172         if (neighbors == null || neighbors.isEmpty()) {
2173             LOG.error("Replaying nbr configuration, received NULL list ");
2174             return true;
2175         }
2176
2177         List<ReplayNbr> replayNbrList = new ArrayList<>();
2178         for (Neighbors nbr : neighbors) {
2179             if (nbr != null) {
2180                 replayNbrList.add(new ReplayNbr(nbr, true));
2181             }
2182         }
2183         final int numberOfNbrRetries = 3;
2184         RetryOnException nbrRetry = new RetryOnException(numberOfNbrRetries);
2185         do {
2186             for (ReplayNbr replayNbr : replayNbrList) {
2187                 if (!replayNbr.isShouldRetry()) {
2188                     continue;
2189                 }
2190                 boolean replayDone = false;
2191                 LOG.debug("Replaying addNbr {}", replayNbr.getNbr().getAddress().getValue());
2192                 replayDone = false;
2193                 try {
2194                     final String md5password = extractMd5Secret(replayNbr.getNbr());
2195                     br.addNeighbor(replayNbr.getNbr().getAddress().getValue(),
2196                             replayNbr.getNbr().getRemoteAs().longValue(), md5password);
2197                     replayDone = true;
2198                 } catch (TApplicationException tae) {
2199                     LOG.debug("Replaying addNbr {}, tapplicationexception: ",
2200                             replayNbr.getNbr().getAddress().getValue(), tae);
2201                     if (tae.getType() == BgpRouterException.BGP_ERR_PEER_EXISTS) {
2202                         LOG.debug("Replaying addNbr Neighbor already present");
2203                         replayDone = true;
2204                     } else {
2205                         LOG.error("Replaying addNbr {}, exception: ", replayNbr.getNbr().getAddress().getValue(), tae);
2206                     }
2207                 } catch (TException | BgpRouterException eNbr) {
2208                     LOG.debug("Replaying addNbr {}, exception: ", replayNbr.getNbr().getAddress().getValue(), eNbr);
2209                 }
2210
2211                 LOG.debug("Replay addNbr {} successful", replayNbr.getNbr().getAddress().getValue());
2212
2213                 //Update Source handling
2214                 UpdateSource us = replayNbr.getNbr().getUpdateSource();
2215                 if (us != null) {
2216                     LOG.debug("Replaying updatesource {} to peer {}", us.getSourceIp().getValue(),
2217                             us.getPeerIp().getValue());
2218                     try {
2219                         br.addUpdateSource(us.getPeerIp().getValue(),
2220                                 us.getSourceIp().getValue());
2221                     } catch (TException | BgpRouterException eUs) {
2222                         LOG.debug("Replaying UpdateSource for Nbr {}, exception:",
2223                                 replayNbr.getNbr().getAddress().getValue(), eUs);
2224                     }
2225                     LOG.debug("Replay updatesource {} successful", us.getSourceIp().getValue());
2226                 }
2227                 //Ebgp Multihope
2228                 EbgpMultihop en = replayNbr.getNbr().getEbgpMultihop();
2229                 if (en != null) {
2230                     try {
2231                         br.addEbgpMultihop(en.getPeerIp().getValue(),
2232                                 en.getNhops().intValue());
2233                     } catch (TException | BgpRouterException eEbgpMhop) {
2234                         LOG.debug("Replaying EbgpMultihop for Nbr {}, exception: ",
2235                                 replayNbr.getNbr().getAddress().getValue(), eEbgpMhop);
2236                     }
2237                 }
2238
2239                 //afs
2240                 List<AddressFamilies> afs = replayNbr.getNbr().getAddressFamilies();
2241                 if (afs != null) {
2242                     for (AddressFamilies af : afs) {
2243                         af_afi afi = af_afi.findByValue(af.getAfi().intValue());
2244                         af_safi safi = af_safi.findByValue(af.getSafi().intValue());
2245                         try {
2246                             br.addAddressFamily(af.getPeerIp().getValue(), afi, safi);
2247                         } catch (TException | BgpRouterException eAFs) {
2248                             LOG.debug("Replaying AddressFamily for Nbr {}, exception:",
2249                                     replayNbr.getNbr().getAddress().getValue(), eAFs);
2250                         }
2251                     }
2252                 }
2253                 //replay is success --> no need to replay this nbr in next iteration.
2254                 replayNbr.setShouldRetry(replayDone ? false : true);
2255             }
2256         } while (nbrRetry.decrementAndRetry());
2257         boolean replaySuccess = true;
2258         for (ReplayNbr replayNbr : replayNbrList) {
2259             replaySuccess = replaySuccess && !replayNbr.isShouldRetry();
2260             if (replaySuccess == false) {
2261                 LOG.error("replayNbrConfig: will be cancelling stale cleanup, cfg nbr: {} Failed:",
2262                         replayNbr.getNbr().getAddress().getValue());
2263             }
2264         }
2265         return replaySuccess;
2266     }
2267
2268     public String getConfigHost() {
2269         if (config == null) {
2270             return hostStartup;
2271         }
2272         ConfigServer ts = config.getConfigServer();
2273         return ts == null ? hostStartup : ts.getHost().getValue();
2274     }
2275
2276     public int getConfigPort() {
2277         if (config == null) {
2278             return Integer.parseInt(portStartup);
2279         }
2280         ConfigServer ts = config.getConfigServer();
2281         return ts == null ? Integer.parseInt(portStartup) :
2282                 ts.getPort().intValue();
2283     }
2284
2285     public Bgp getConfig() {
2286         AtomicInteger bgpDSretryCount = new AtomicInteger(DS_RETRY_COUNT);
2287         while (0 != bgpDSretryCount.decrementAndGet()) {
2288             try {
2289                 return SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION,
2290                         InstanceIdentifier.create(Bgp.class)).orNull();
2291             } catch (ReadFailedException e) {
2292                 //Config DS may not be up, so sleep for 1 second and retry
2293                 LOG.debug("failed to get bgp config, may be DS is yet in consistent state(?)", e);
2294                 try {
2295                     Thread.sleep(WAIT_TIME_BETWEEN_EACH_TRY_MILLIS);
2296                 } catch (InterruptedException timerEx) {
2297                     LOG.debug("WAIT_TIME_BETWEEN_EACH_TRY_MILLIS, Timer got interrupted while waiting for"
2298                             + "config DS availability", timerEx);
2299                 }
2300             }
2301         }
2302         LOG.error("failed to get bgp config");
2303         return null;
2304     }
2305
2306     @SuppressWarnings("checkstyle:IllegalCatch")
2307     public synchronized boolean replay() throws InterruptedException, TimeoutException, ExecutionException {
2308         boolean replaySucceded = true;
2309         boolean doRouteSync = false;
2310         String host = getConfigHost();
2311         int port = getConfigPort();
2312         LOG.error("connecting  to bgp host {} ", host);
2313         boolean res = bgpRouter.connect(host, port);
2314         if (!res) {
2315             LOG.error("Cannot connect to BGP config server at {} {}", host, port);
2316             return replaySucceded;
2317         }
2318         config = getConfig();
2319         if (config == null) {
2320             LOG.error("bgp config is empty nothing to push to bgp");
2321             return replaySucceded;
2322         }
2323         BgpRouter br = bgpRouter;
2324         AsId asId = config.getAsId();
2325         if (asId == null) {
2326             LOG.error("bgp as-id is null");
2327             return replaySucceded;
2328         }
2329         long asNum = asId.getLocalAs().toJava();
2330         IpAddress routerId = asId.getRouterId();
2331         String rid = routerId == null ? "" : routerId.stringValue();
2332         int stalepathTime = (int) getStalePathtime(bgpGrRestartTime, config.getAsId());
2333         boolean announceFbit = true;
2334         boolean replayDone = false;
2335         final int numberOfStartBgpRetries = 3;
2336         RetryOnException startBgpRetry = new RetryOnException(numberOfStartBgpRetries);
2337         do {
2338             try {
2339                 LOG.debug("Replaying BGPConfig ");
2340                 br.startBgp(asNum, rid, bgpKaTime, bgpHoldTime, stalepathTime, announceFbit);
2341                 LOG.debug("Replay BGPConfig successful");
2342                 replayDone = true;
2343                 break;
2344             } catch (BgpRouterException bre) {
2345                 if (bre.getErrorCode() == BgpRouterException.BGP_ERR_ACTIVE) {
2346                     LOG.debug("Starting the routesync for exception", bre);
2347                     startBgpRetry.errorOccured();
2348                     if (!startBgpRetry.shouldRetry()) {
2349                         doRouteSync = true;
2350                         replayDone = true;
2351                     }
2352                 } else {
2353                     LOG.error("Replay: startBgp() received exception error {} : ",
2354                             bre.getErrorCode(), bre);
2355                     startBgpRetry.errorOccured();
2356                 }
2357             } catch (TApplicationException tae) {
2358                 if (tae.getType() == BgpRouterException.BGP_ERR_ACTIVE) {
2359                     LOG.debug("Starting the routesync for exception", tae);
2360                     startBgpRetry.errorOccured();
2361                     if (!startBgpRetry.shouldRetry()) {
2362                         doRouteSync = true;
2363                         replayDone = true;
2364                     }
2365                 } else if (tae.getType() == BgpRouterException.BGP_ERR_COMMON_FAILURE) {
2366                     LOG.debug("Starting the routesync for AS-ID started exception", tae);
2367                     startBgpRetry.errorOccured();
2368                     if (!startBgpRetry.shouldRetry()) {
2369                         doRouteSync = true;
2370                         replayDone = true;
2371                     }
2372                 } else {
2373                     LOG.error("Replay: startBgp() received exception type {}: ",
2374                             tae.getType(), tae);
2375                     startBgpRetry.errorOccured();
2376                 }
2377             } catch (Exception e) {
2378                 //not unusual. We may have restarted & BGP is already on
2379                 LOG.error("Replay:startBgp() received exception: ", e);
2380                 startBgpRetry.errorOccured();
2381             }
2382         } while (startBgpRetry.shouldRetry());
2383
2384         replaySucceded = replayDone;
2385
2386         startBgpCountersTask();
2387         startBgpAlarmsTask();
2388
2389         /*
2390          * commenting this due to a bug with QBGP. Will uncomment once QBGP fix is done.
2391          * This wont have any functional impacts
2392          */
2393         //try {
2394         //    br.delayEOR(delayEorSeconds);
2395         //} catch (TException | BgpRouterException e) {
2396         //    LOG.error("Replay: delayEOR() number of seconds to wait for EOR from ODL:", e);
2397         //}
2398
2399         BfdConfig bfdConfig = bgpUtil.getBfdConfig();
2400         if (bfdConfig != null) {
2401             if (bfdConfig.isBfdEnabled()) {
2402                 LOG.debug("Replaying bfd config min-rx {} min-tx {} detect-mul {} mhop {}",
2403                         bfdConfig.getMinRx(), bfdConfig.getMinTx(),
2404                         bfdConfig.getDetectMult(), bfdConfig.isMultihop());
2405                 try {
2406                     br.addBfd(bfdConfig.getDetectMult().intValue(), bfdConfig.getMinRx().intValue(),
2407                             bfdConfig.getMinTx().intValue(), bfdConfig.isMultihop());
2408                 } catch (TApplicationException tae) {
2409                     if (tae.getType() == BgpRouterException.BGP_ERR_PEER_EXISTS) {
2410                         LOG.debug("Replay:addBfd() received exception", tae);
2411                     } else {
2412                         LOG.error("Replay:addBfd() received exception", tae);
2413                     }
2414                 } catch (TException | BgpRouterException e) {
2415                     LOG.error("Replay:addBfd() received exception", e);
2416                 }
2417             }
2418         }
2419
2420         List<Neighbors> neighbors = config.getNeighborsContainer().getNeighbors();
2421         if (neighbors != null) {
2422             LOG.error("configuring existing Neighbors present for replay total neighbors {}", neighbors.size());
2423             boolean neighborConfigReplayResult = replayNbrConfig(neighbors, br);
2424             if (neighborConfigReplayResult == false) {
2425                 replaySucceded = false;
2426             }
2427         } else {
2428             LOG.error("no Neighbors present for replay config ");
2429         }
2430
2431         Logging logging = config.getLogging();
2432         if (logging != null) {
2433             try {
2434                 br.setLogging(logging.getFile(), logging.getLevel());
2435             } catch (TException | BgpRouterException e) {
2436                 LOG.error("Replay:setLogging() received exception", e);
2437             }
2438         }
2439
2440         GracefulRestart gracefulRestart = config.getGracefulRestart();
2441         bgpGrRestartTime = ((gracefulRestart != null)
2442                 ? gracefulRestart.getStalepathTime().intValue() : bgpGrRestartTime);
2443         try {
2444             br.addGracefulRestart(bgpGrRestartTime);
2445         } catch (Exception e) {
2446             LOG.error("Replay:addGr() received exception: ", e);
2447         }
2448         List<Vrfs> vrfs = config.getVrfsContainer().getVrfs();
2449         if (vrfs == null) {
2450             vrfs = new ArrayList<>();
2451         }
2452         for (Vrfs vrf : vrfs) {
2453             for (AddressFamiliesVrf adf : vrf.getAddressFamiliesVrf()) {
2454                 try {
2455                     br.addVrf(BgpUtil.getLayerType(adf), vrf.getRd(), vrf.getImportRts(),
2456                             vrf.getExportRts(), adf.getAfi().toJava(), adf.getSafi().toJava());
2457                 } catch (TException | BgpRouterException e) {
2458                     LOG.error("Replay:addVrf() received exception", e);
2459                 }
2460             }
2461         }
2462
2463         List<Networks> ln = config.getNetworksContainer().getNetworks();
2464         if (ln != null) {
2465             for (Networks net : ln) {
2466                 String rd = net.getRd();
2467                 String pfxlen = net.getPrefixLen();
2468                 String nh = net.getNexthop().getValue();
2469                 Long label = net.getLabel().toJava();
2470                 int lbl = label == null ? 0 : label.intValue();
2471                 int l3vni = net.getL3vni() == null ? 0 : net.getL3vni().intValue();
2472                 int l2vni = net.getL2vni() == null ? 0 : net.getL2vni().intValue();
2473                 if (rd == null && lbl > 0) {
2474                     //LU prefix is being deleted.
2475                     rd = Integer.toString(lbl);
2476                 }
2477
2478                 BgpControlPlaneType protocolType = net.getBgpControlPlaneType();
2479                 int ethernetTag = net.getEthtag().intValue();
2480                 String esi = net.getEsi();
2481                 String macaddress = net.getMacaddress();
2482                 EncapType encapType = net.getEncapType();
2483                 String routerMac = net.getRoutermac();
2484
2485                 try {
2486                     br.addPrefix(rd, pfxlen, nh, lbl, l3vni, l2vni,
2487                             BgpUtil.convertToThriftProtocolType(protocolType),
2488                             ethernetTag, esi, macaddress, BgpUtil.convertToThriftEncapType(encapType), routerMac);
2489                 } catch (TException | BgpRouterException e) {
2490                     LOG.error("Replay:addPfx() received exception", e);
2491                 }
2492             }
2493         }
2494
2495
2496         List<Multipath> multipaths = config.getMultipathContainer().getMultipath();
2497
2498         if (multipaths != null) {
2499             for (Multipath multipath : multipaths) {
2500                 if (multipath != null) {
2501                     af_afi afi = af_afi.findByValue(multipath.getAfi().intValue());
2502                     af_safi safi = af_safi.findByValue(multipath.getSafi().intValue());
2503
2504                     try {
2505                         if (multipath.isMultipathEnabled()) {
2506                             br.enableMultipath(afi, safi);
2507                         } else {
2508                             br.disableMultipath(afi, safi);
2509                         }
2510                     } catch (TException | BgpRouterException e) {
2511                         LOG.info("Replay:multipaths() received exception", e);
2512                     }
2513                 }
2514             }
2515         }
2516         List<VrfMaxpath> vrfMaxpaths = config.getVrfMaxpathContainer().getVrfMaxpath();
2517         if (vrfMaxpaths != null) {
2518             for (VrfMaxpath vrfMaxpath : vrfMaxpaths) {
2519                 try {
2520                     br.multipaths(vrfMaxpath.getRd(), vrfMaxpath.getMaxpaths().toJava());
2521                 } catch (TException | BgpRouterException e) {
2522                     LOG.info("Replay:vrfMaxPath() received exception", e);
2523                 }
2524             }
2525         }
2526
2527         //send End of Rib Marker to Qthriftd.
2528         final int numberOfEORRetries = 3;
2529         RetryOnException eorRetry = new RetryOnException(numberOfEORRetries);
2530         do {
2531             try {
2532                 br.sendEOR();
2533                 LOG.debug("Replay sendEOR() successful");
2534                 break;
2535             } catch (Exception e) {
2536                 eorRetry.errorOccured();
2537                 LOG.error("Replay:sedEOR() received exception:", e);
2538             }
2539         } while (eorRetry.shouldRetry());
2540
2541         if (doRouteSync) {
2542             LOG.debug("starting route sync for Thrift BGP_ERR_COMMON_FAILURE exception "
2543                       + "happened earlier");
2544             doRouteSync();
2545         }
2546
2547         return replaySucceded;
2548     }
2549
2550     private <T extends DataObject> void update(InstanceIdentifier<T> iid, T dto) {
2551         bgpUtil.update(iid, dto);
2552     }
2553
2554     private <T extends DataObject> void delete(InstanceIdentifier<T> iid) {
2555         bgpUtil.delete(iid);
2556     }
2557
2558     public void startConfig(String bgpHost, int thriftPort) {
2559         InstanceIdentifier.InstanceIdentifierBuilder<ConfigServer> iib =
2560                 InstanceIdentifier.builder(Bgp.class).child(ConfigServer.class);
2561         InstanceIdentifier<ConfigServer> iid = iib.build();
2562         Ipv4Address ipAddr = new Ipv4Address(bgpHost);
2563         ConfigServer dto = new ConfigServerBuilder().setHost(ipAddr)
2564                 .setPort((long) thriftPort).build();
2565         update(iid, dto);
2566     }
2567
2568     public void startBgp(long as, String routerId, int spt, boolean fbit) {
2569         IpAddress rid = routerId == null ? null : IpAddressBuilder.getDefaultInstance(routerId);
2570         Long staleTime = (long) spt;
2571         InstanceIdentifier.InstanceIdentifierBuilder<AsId> iib =
2572                 InstanceIdentifier.builder(Bgp.class).child(AsId.class);
2573         InstanceIdentifier<AsId> iid = iib.build();
2574         AsId dto = new AsIdBuilder().setLocalAs(as)
2575                 .setRouterId(rid)
2576                 .setStalepathTime(staleTime)
2577                 .setAnnounceFbit(fbit).build();
2578         update(iid, dto);
2579     }
2580
2581     public void startBfd(long detectMult, long minRx, long minTx, boolean multiHop) {
2582         InstanceIdentifier.InstanceIdentifierBuilder<BfdConfig> iib =
2583                 InstanceIdentifier.builder(BfdConfig.class);
2584         InstanceIdentifier<BfdConfig> iid = iib.build();
2585         BfdConfig dto = new BfdConfigBuilder()
2586                 .setBfdEnabled(true)
2587                 .setMultihop(multiHop)
2588                 .setMinRx(minRx)
2589                 .setMinTx(minTx)
2590                 .setDetectMult(detectMult)
2591                 .build();
2592         update(iid, dto);
2593     }
2594
2595     public void addDcgwTep(String dcgwIp, String tepIp) {
2596         InstanceIdentifier.InstanceIdentifierBuilder<DcgwTep> iib =
2597                 InstanceIdentifier.builder(Bgp.class)
2598                         .child(DcgwTepList.class)
2599                         .child(DcgwTep.class, new DcgwTepKey(dcgwIp));
2600         InstanceIdentifier<DcgwTep> iid = iib.build();
2601         ArrayList<String> tepList = new ArrayList<String>();
2602         tepList.add(tepIp);
2603         DcgwTep dto = new DcgwTepBuilder().setDcGwIp(dcgwIp).setTepIps(tepList)
2604                 .build();
2605         update(iid, dto);
2606         bgpUtil.removeOrUpdateLBGroups(tepIp,NwConstants.MOD_FLOW);
2607     }
2608
2609     public void addLogging(String fileName, String logLevel) {
2610         InstanceIdentifier.InstanceIdentifierBuilder<Logging> iib =
2611                 InstanceIdentifier.builder(Bgp.class).child(Logging.class);
2612         InstanceIdentifier<Logging> iid = iib.build();
2613         Logging dto = new LoggingBuilder().setFile(fileName)
2614                 .setLevel(logLevel).build();
2615         update(iid, dto);
2616     }
2617
2618     public void addGracefulRestart(int staleTime) {
2619         InstanceIdentifier.InstanceIdentifierBuilder<GracefulRestart> iib =
2620                 InstanceIdentifier.builder(Bgp.class).child(GracefulRestart.class);
2621         InstanceIdentifier<GracefulRestart> iid = iib.build();
2622         GracefulRestart dto = new GracefulRestartBuilder()
2623                 .setStalepathTime((long) staleTime).build();
2624         update(iid, dto);
2625     }
2626
2627     public void addNeighbor(
2628             String nbrIp, long remoteAs, @Nullable final TcpMd5SignaturePasswordType md5Secret) {
2629         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2630         InstanceIdentifier.InstanceIdentifierBuilder<Neighbors> iib =
2631                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2632                         .child(Neighbors.class, new NeighborsKey(nbrAddr));
2633         InstanceIdentifier<Neighbors> iid = iib.build();
2634         TcpSecurityOption tcpSecOption = null;
2635         if (md5Secret != null) {
2636             tcpSecOption = new TcpMd5SignatureOptionBuilder().setTcpMd5SignaturePassword(md5Secret).build();
2637         } // else let tcpSecOption be null
2638         Neighbors dto = new NeighborsBuilder().setAddress(nbrAddr)
2639                 .setRemoteAs(remoteAs).setTcpSecurityOption(tcpSecOption).build();
2640         update(iid, dto);
2641     } // public addNeighbor(nbrIp, remoteAs, md5Secret)
2642
2643     public void addUpdateSource(String nbrIp, String srcIp) {
2644         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2645         Ipv4Address srcAddr = new Ipv4Address(srcIp);
2646         InstanceIdentifier.InstanceIdentifierBuilder<UpdateSource> iib =
2647                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2648                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2649                         .child(UpdateSource.class);
2650         InstanceIdentifier<UpdateSource> iid = iib.build();
2651         UpdateSource dto = new UpdateSourceBuilder().setPeerIp(nbrAddr)
2652                 .setSourceIp(srcAddr).build();
2653         update(iid, dto);
2654     }
2655
2656     public void addEbgpMultihop(String nbrIp, int hops) {
2657         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2658         InstanceIdentifier.InstanceIdentifierBuilder<EbgpMultihop> iib =
2659                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2660                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2661                         .child(EbgpMultihop.class);
2662         InstanceIdentifier<EbgpMultihop> iid = iib.build();
2663         EbgpMultihop dto = new EbgpMultihopBuilder().setPeerIp(nbrAddr)
2664                 .setNhops((long) hops).build();
2665         update(iid, dto);
2666     }
2667
2668     public void addAddressFamily(String nbrIp, int afi, int safi) {
2669         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2670         InstanceIdentifier.InstanceIdentifierBuilder<AddressFamilies> iib =
2671                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2672                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2673                         .child(AddressFamilies.class, new AddressFamiliesKey((long) afi, (long) safi));
2674         InstanceIdentifier<AddressFamilies> iid = iib.build();
2675         AddressFamilies dto = new AddressFamiliesBuilder().setPeerIp(nbrAddr)
2676                 .setAfi((long) afi).setSafi((long) safi).build();
2677         update(iid, dto);
2678     }
2679
2680     public void addPrefix(String rd, String macAddress, String pfx, List<String> nhList,
2681               VrfEntry.EncapType encapType, Uint32 lbl, Uint32 l3vni, Uint32 l2vni, String gatewayMac) {
2682         for (String nh : nhList) {
2683             Ipv4Address nexthop = nh != null ? new Ipv4Address(nh) : null;
2684             Uint32 label = lbl;
2685             InstanceIdentifier<Networks> iid = InstanceIdentifier.builder(Bgp.class)
2686                     .child(NetworksContainer.class)
2687                     .child(Networks.class, new NetworksKey(pfx, rd)).build();
2688             NetworksBuilder networksBuilder = new NetworksBuilder().setRd(rd).setPrefixLen(pfx).setNexthop(nexthop)
2689                                                 .setLabel(label).setEthtag(BgpConstants.DEFAULT_ETH_TAG);
2690             buildVpnEncapSpecificInfo(networksBuilder, encapType, label, l3vni, l2vni, macAddress, gatewayMac);
2691             update(iid, networksBuilder.build());
2692         }
2693     }
2694
2695     private static void buildVpnEncapSpecificInfo(NetworksBuilder builder, VrfEntry.EncapType encapType, Uint32 label,
2696                                                   Uint32 l3vni, Uint32 l2vni, String macAddress, String gatewayMac) {
2697         if (encapType.equals(VrfEntry.EncapType.Mplsgre)) {
2698             builder.setLabel(label).setBgpControlPlaneType(BgpControlPlaneType.PROTOCOLL3VPN)
2699                     .setEncapType(EncapType.GRE);
2700         } else {
2701             builder.setL3vni(l3vni).setL2vni(l2vni).setMacaddress(macAddress).setRoutermac(gatewayMac)
2702                     .setBgpControlPlaneType(BgpControlPlaneType.PROTOCOLEVPN).setEncapType(EncapType.VXLAN);
2703         }
2704     }
2705
2706     // TODO: add LayerType as arg - supports command
2707     public void addVrf(String rd, List<String> irts, List<String> erts, AddressFamily addressFamily) {
2708         Vrfs vrf = bgpUtil.getVrfFromRd(rd);
2709         List<AddressFamiliesVrf> adfList = new ArrayList<>(1);
2710         if (vrf != null) {
2711             adfList = vrf.getAddressFamiliesVrf();
2712         }
2713         AddressFamiliesVrfBuilder adfBuilder = new AddressFamiliesVrfBuilder();
2714         if (addressFamily.equals(AddressFamily.IPV4)) {
2715             adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
2716             adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
2717         } else if (addressFamily.equals(AddressFamily.IPV6)) {
2718             adfBuilder.setAfi((long) af_afi.AFI_IPV6.getValue());
2719             adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
2720         } else if (addressFamily.equals(AddressFamily.L2VPN)) {
2721             adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
2722             adfBuilder.setSafi((long) af_safi.SAFI_EVPN.getValue());
2723         }
2724         AddressFamiliesVrf adf = adfBuilder.build();
2725         adfList.add(adf);
2726         InstanceIdentifier.InstanceIdentifierBuilder<Vrfs> iib = InstanceIdentifier.builder(Bgp.class)
2727                 .child(VrfsContainer.class)
2728                 .child(Vrfs.class, new VrfsKey(rd));
2729         InstanceIdentifier<Vrfs> iid = iib.build();
2730         Vrfs dto = new VrfsBuilder().setRd(rd).setImportRts(irts)
2731             .setExportRts(erts).setAddressFamiliesVrf(adfList).build();
2732
2733         List<AddressFamiliesVrf> listAdFamilies = mapNewAdFamily.get(rd);
2734         if (listAdFamilies != null) {
2735             listAdFamilies.add(adf);
2736         } else {
2737             mapNewAdFamily.put(rd, adfList);
2738         }
2739
2740         try {
2741             SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, iid, dto);
2742         } catch (TransactionCommitFailedException e) {
2743             LOG.error("Error adding VRF to datastore", e);
2744             throw new RuntimeException(e);
2745         }
2746
2747         // enable multipath by default in all VRFs
2748         setMultipaths(rd, BgpConstants.BGP_DEFAULT_MULTIPATH);
2749     }
2750
2751     public void stopConfig() {
2752         InstanceIdentifier.InstanceIdentifierBuilder<ConfigServer> iib =
2753                 InstanceIdentifier.builder(Bgp.class).child(ConfigServer.class);
2754         InstanceIdentifier<ConfigServer> iid = iib.build();
2755         delete(iid);
2756     }
2757
2758     public void stopBgp() {
2759         InstanceIdentifier.InstanceIdentifierBuilder<AsId> iib =
2760                 InstanceIdentifier.builder(Bgp.class).child(AsId.class);
2761         InstanceIdentifier<AsId> iid = iib.build();
2762         delete(iid);
2763     }
2764
2765     public void stopBfd() {
2766         InstanceIdentifier.InstanceIdentifierBuilder<BfdConfig> iib =
2767                 InstanceIdentifier.builder(BfdConfig.class);
2768         InstanceIdentifier<BfdConfig> iid = iib.build();
2769         delete(iid);
2770     }
2771
2772     public void delDcgwTep(String dcgwIp, String tepIp) {
2773         if (tepIp == null) {
2774             InstanceIdentifier.InstanceIdentifierBuilder<DcgwTep> iib =
2775                     InstanceIdentifier.builder(Bgp.class)
2776                             .child(DcgwTepList.class)
2777                             .child(DcgwTep.class, new DcgwTepKey(dcgwIp));
2778             InstanceIdentifier<DcgwTep> iid = iib.build();
2779             delete(iid);
2780         } else {
2781             InstanceIdentifier.InstanceIdentifierBuilder<DcgwTep> iib =
2782                     InstanceIdentifier.builder(Bgp.class)
2783                             .child(DcgwTepList.class)
2784                             .child(DcgwTep.class, new DcgwTepKey(dcgwIp));
2785             InstanceIdentifier<DcgwTep> iid = iib.build();
2786             List<String> tepIpList = bgpUtil.getDcgwTepConfig(dcgwIp);
2787             if (tepIpList == null) {
2788                 LOG.error("No Tep IP configured for DCGW {} on deleting the dcgwtep", dcgwIp);
2789                 return;
2790             }
2791             List<String> newTepIpList = new ArrayList<String>();
2792             tepIpList.forEach(tep -> {
2793                 if (!tep.equals(tepIp)) {
2794                     newTepIpList.add(tep);
2795                 }
2796             });
2797             DcgwTep dto = new DcgwTepBuilder().setDcGwIp(dcgwIp).setTepIps(newTepIpList)
2798                     .build();
2799             try {
2800                 SingleTransactionDataBroker.syncWrite(dataBroker,
2801                         LogicalDatastoreType.CONFIGURATION, iid, dto);
2802             } catch (TransactionCommitFailedException e) {
2803                 LOG.error("delDcgwTep: Error deleting DCGW Tep", e);
2804                 throw new RuntimeException(e);
2805             }
2806         }
2807     }
2808
2809     public void delLogging() {
2810         InstanceIdentifier.InstanceIdentifierBuilder<Logging> iib =
2811                 InstanceIdentifier.builder(Bgp.class).child(Logging.class);
2812         InstanceIdentifier<Logging> iid = iib.build();
2813         delete(iid);
2814     }
2815
2816     public void delGracefulRestart() {
2817         InstanceIdentifier.InstanceIdentifierBuilder<GracefulRestart> iib =
2818                 InstanceIdentifier.builder(Bgp.class)
2819                         .child(GracefulRestart.class);
2820         InstanceIdentifier<GracefulRestart> iid = iib.build();
2821         delete(iid);
2822     }
2823
2824     public void delNeighbor(String nbrIp) {
2825         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2826         InstanceIdentifier.InstanceIdentifierBuilder<Neighbors> iib =
2827                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2828                         .child(Neighbors.class, new NeighborsKey(nbrAddr));
2829         InstanceIdentifier<Neighbors> iid = iib.build();
2830         delete(iid);
2831     }
2832
2833     public void delUpdateSource(String nbrIp) {
2834         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2835         InstanceIdentifier.InstanceIdentifierBuilder<UpdateSource> iib =
2836                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2837                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2838                         .child(UpdateSource.class);
2839         InstanceIdentifier<UpdateSource> iid = iib.build();
2840         delete(iid);
2841     }
2842
2843     public void delEbgpMultihop(String nbrIp) {
2844         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2845         InstanceIdentifier.InstanceIdentifierBuilder<EbgpMultihop> iib =
2846                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2847                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2848                         .child(EbgpMultihop.class);
2849         InstanceIdentifier<EbgpMultihop> iid = iib.build();
2850         delete(iid);
2851     }
2852
2853     public void delAddressFamily(String nbrIp, int afi, int safi) {
2854         Ipv4Address nbrAddr = new Ipv4Address(nbrIp);
2855         InstanceIdentifier.InstanceIdentifierBuilder<AddressFamilies> iib =
2856                 InstanceIdentifier.builder(Bgp.class).child(NeighborsContainer.class)
2857                         .child(Neighbors.class, new NeighborsKey(nbrAddr))
2858                         .child(AddressFamilies.class, new AddressFamiliesKey((long) afi, (long) safi));
2859         InstanceIdentifier<AddressFamilies> iid = iib.build();
2860         delete(iid);
2861     }
2862
2863     public void delPrefix(String rd, String pfx) {
2864         InstanceIdentifier.InstanceIdentifierBuilder<Networks> iib =
2865                 InstanceIdentifier.builder(Bgp.class).child(NetworksContainer.class)
2866                         .child(Networks.class, new NetworksKey(pfx, rd));
2867         InstanceIdentifier<Networks> iid = iib.build();
2868         delete(iid);
2869     }
2870
2871     public boolean delVrf(String rd, AddressFamily addressFamily) {
2872         if (addressFamily == null) {
2873             LOG.error("delVrf: vrf {}, addressFamily invalid", rd);
2874             return false;
2875         }
2876         delMultipaths(rd);
2877         AddressFamiliesVrfBuilder adfBuilder = new AddressFamiliesVrfBuilder();
2878         if (addressFamily.equals(AddressFamily.IPV4)) {
2879             adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
2880             adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
2881         } else if (addressFamily.equals(AddressFamily.IPV6)) {
2882             adfBuilder.setAfi((long) af_afi.AFI_IPV6.getValue());
2883             adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
2884         } else if (addressFamily.equals(AddressFamily.L2VPN)) {
2885             adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
2886             adfBuilder.setSafi((long) af_safi.SAFI_EVPN.getValue());
2887         }
2888         LOG.debug("delVrf: Received Delete VRF : rd:{}, address family: {} {}", rd,
2889                 adfBuilder.getAfi(), adfBuilder.getSafi());
2890
2891         Vrfs vrfOriginal = bgpUtil.getVrfFromRd(rd);
2892         if (vrfOriginal == null) {
2893             LOG.error("delVrf: no vrf with existing rd {}. step aborted", rd);
2894             return false;
2895         }
2896
2897         InstanceIdentifier.InstanceIdentifierBuilder<Vrfs> iib =
2898                 InstanceIdentifier.builder(Bgp.class).child(VrfsContainer.class)
2899                         .child(Vrfs.class, new VrfsKey(rd));
2900
2901         InstanceIdentifier<Vrfs> iid = iib.build();
2902
2903         @SuppressWarnings("static-access")
2904         InstanceIdentifier<Bgp> iid6 =  iid.builder(Bgp.class).build()
2905                 .child(MultipathContainer.class)
2906                 .child(Multipath.class, new MultipathKey(adfBuilder.getAfi(), adfBuilder.getSafi())).create(Bgp.class);
2907         InstanceIdentifierBuilder<Vrfs> iib3 =
2908                 iid6.child(VrfsContainer.class).child(Vrfs.class, new VrfsKey(rd)).builder();
2909         InstanceIdentifier<Vrfs> iidFinal = iib3.build();
2910
2911         //** update or delete the vrfs with the rest of AddressFamilies already present in the last list
2912         AddressFamiliesVrf adfToDel = adfBuilder.build();
2913         List<AddressFamiliesVrf> adfListOriginal = new ArrayList<>(vrfOriginal.nonnullAddressFamiliesVrf());
2914         List<AddressFamiliesVrf> adfListToRemoveFromOriginal = new ArrayList<>();
2915         adfListOriginal.forEach(adf -> {
2916             if (adf.equals(adfToDel)) {
2917                 adfListToRemoveFromOriginal.add(adfToDel);
2918                 return;
2919             }
2920         });
2921         for (AddressFamiliesVrf adfToRemove : adfListToRemoveFromOriginal) {
2922             adfListOriginal.remove(adfToRemove);
2923             try {
2924                 SingleTransactionDataBroker.syncWrite(dataBroker,
2925                         LogicalDatastoreType.CONFIGURATION, iid, vrfOriginal);
2926             } catch (TransactionCommitFailedException e) {
2927                 LOG.error("delVrf: Error updating VRF to datastore", e);
2928                 throw new RuntimeException(e);
2929             }
2930         }
2931         if (adfListOriginal.isEmpty()) {
2932             LOG.debug("delVrf: delete iid: {}", iidFinal);
2933             delete(iidFinal);
2934             return true;
2935         }
2936         // not all is removed
2937         return false;
2938     }
2939
2940     public void setMultipathStatus(af_afi afi, af_safi safi, boolean enable) {
2941         long lafi = afi.getValue();
2942         long lsafi = safi.getValue();
2943
2944         InstanceIdentifier.InstanceIdentifierBuilder<Multipath> iib =
2945                 InstanceIdentifier
2946                         .builder(Bgp.class).child(MultipathContainer.class)
2947                         .child(Multipath.class,
2948                                 new MultipathKey(Long.valueOf(afi.getValue()), Long.valueOf(safi.getValue())));
2949
2950         Multipath dto = new MultipathBuilder().setAfi(lafi).setSafi(lsafi).setMultipathEnabled(enable).build();
2951         update(iib.build(), dto);
2952     }
2953
2954     public void setMultipaths(String rd, int maxpath) {
2955         InstanceIdentifier.InstanceIdentifierBuilder<VrfMaxpath> iib =
2956                 InstanceIdentifier
2957                         .builder(Bgp.class).child(VrfMaxpathContainer.class)
2958                         .child(VrfMaxpath.class, new VrfMaxpathKey(rd));
2959
2960         VrfMaxpath dto = new VrfMaxpathBuilder().setRd(rd).setMaxpaths(maxpath).build();
2961         update(iib.build(), dto);
2962     }
2963
2964     public void delMultipaths(String rd) {
2965         InstanceIdentifier.InstanceIdentifierBuilder<VrfMaxpath> iib =
2966                 InstanceIdentifier.builder(Bgp.class).child(VrfMaxpathContainer.class)
2967                         .child(VrfMaxpath.class, new VrfMaxpathKey(rd));
2968         InstanceIdentifier<VrfMaxpath> iid = iib.build();
2969         delete(iid);
2970     }
2971
2972     /*
2973     * Remove Stale Marked Routes after timer expiry.
2974     */
2975     private class RouteCleanup implements Callable<Integer> {
2976
2977         @Override
2978         public Integer call() {
2979             totalCleared = 0;
2980             try {
2981                 if (staledFibEntriesMap.isEmpty()) {
2982                     LOG.info("BGP: RouteCleanup timertask tirggered but STALED FIB MAP is EMPTY");
2983                 } else {
2984                     for (String rd : staledFibEntriesMap.keySet()) {
2985                         if (Thread.interrupted()) {
2986                             return 0;
2987                         }
2988                         Map<String, Uint32> map = staledFibEntriesMap.get(rd);
2989                         if (map != null) {
2990                             for (String key : map.keySet()) {
2991                                 if (Thread.interrupted()) {
2992                                     return 0;
2993                                 }
2994                                 String prefix = extractPrefix(key);
2995                                 String nextHop = extractNextHop(key);
2996                                 totalCleared++;
2997                                 LOG.debug("BGP: RouteCleanup deletePrefix called for : rd:{}, prefix{}, nextHop:{}",
2998                                         rd, prefix, nextHop);
2999                                 fibDSWriter.removeOrUpdateFibEntryFromDS(rd, prefix, nextHop);
3000                             }
3001                         }
3002                     }
3003                 }
3004             } finally {
3005                 staledFibEntriesMap.clear();
3006             }
3007             LOG.error("cleared {} stale routes after bgp restart", totalCleared);
3008             return 0;
3009         }
3010     }
3011
3012     /*
3013      * BGP restart scenario, ODL-BGP manager was/is running.
3014      * On re-sync notification, Get a copy of FIB database.
3015      */
3016     public void createStaleFibMap() {
3017         totalStaledCount = 0;
3018         try {
3019             staledFibEntriesMap.clear();
3020             InstanceIdentifier<FibEntries> id = InstanceIdentifier.create(FibEntries.class);
3021
3022             Optional<FibEntries> fibEntries = SingleTransactionDataBroker.syncReadOptional(dataBroker,
3023                     LogicalDatastoreType.CONFIGURATION, id);
3024             if (fibEntries.isPresent()) {
3025                 List<VrfTables> staleVrfTables = fibEntries.get().getVrfTables();
3026                 for (VrfTables vrfTable : staleVrfTables) {
3027                     Map<String, Uint32> staleFibEntMap = new HashMap<>();
3028                     for (VrfEntry vrfEntry : vrfTable.getVrfEntry()) {
3029                         if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.BGP) {
3030                             //Stale marking and cleanup is only meant for the routes learned through BGP.
3031                             continue;
3032                         }
3033                         if (Thread.interrupted()) {
3034                             break;
3035                         }
3036                         totalStaledCount++;
3037                         //Create MAP from staleVrfTables.
3038                         vrfEntry.getRoutePaths()
3039                                 .forEach(
3040                                     routePath -> staleFibEntMap.put(
3041                                             appendNextHopToPrefix(vrfEntry.getDestPrefix(),
3042                                                     routePath.getNexthopAddress()), routePath.getLabel()));
3043                     }
3044                     staledFibEntriesMap.put(vrfTable.getRouteDistinguisher(), staleFibEntMap);
3045                 }
3046             } else {
3047                 LOG.error("createStaleFibMap:: FIBentries.class is not present");
3048             }
3049         } catch (ReadFailedException e) {
3050             LOG.error("createStaleFibMap:: error ", e);
3051         }
3052         LOG.error("created {} staled entries ", totalStaledCount);
3053     }
3054
3055     /*
3056      * BGP config remove scenario, Need to remove all the
3057      * external routes from FIB.
3058      */
3059     public void deleteExternalFibRoutes() {
3060         totalExternalRoutes = 0;
3061         totalExternalMacRoutes = 0;
3062         try {
3063             InstanceIdentifier<FibEntries> id = InstanceIdentifier.create(FibEntries.class);
3064
3065             Optional<FibEntries> fibEntries = SingleTransactionDataBroker.syncReadOptional(dataBroker,
3066                     LogicalDatastoreType.CONFIGURATION, id);
3067             if (fibEntries.isPresent()) {
3068                 if (fibEntries.get().getVrfTables() == null) {
3069                     LOG.error("deleteExternalFibRoutes::getVrfTables is null");
3070                     return;
3071                 }
3072                 List<VrfTables> staleVrfTables = fibEntries.get().getVrfTables();
3073                 for (VrfTables vrfTable : staleVrfTables) {
3074                     String rd = vrfTable.getRouteDistinguisher();
3075                     if (vrfTable.getVrfEntry() != null) {
3076                         for (VrfEntry vrfEntry : vrfTable.getVrfEntry()) {
3077                             if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.BGP) {
3078                                 //route cleanup is only meant for the routes learned through BGP.
3079                                 continue;
3080                             }
3081                             totalExternalRoutes++;
3082                             fibDSWriter.removeFibEntryFromDS(rd, vrfEntry.getDestPrefix());
3083                         }
3084                     } else if (vrfTable.getMacVrfEntry() != null) {
3085                         for (MacVrfEntry macEntry : vrfTable.getMacVrfEntry()) {
3086                             if (RouteOrigin.value(macEntry.getOrigin()) != RouteOrigin.BGP) {
3087                                 //route cleanup is only meant for the routes learned through BGP.
3088                                 continue;
3089                             }
3090                             totalExternalMacRoutes++;
3091                             fibDSWriter.removeMacEntryFromDS(rd, macEntry.getMac());
3092                         }
3093                     }
3094                 }
3095             } else {
3096                 LOG.error("deleteExternalFibRoutes:: FIBentries.class is not present");
3097             }
3098         } catch (ReadFailedException e) {
3099             LOG.error("deleteExternalFibRoutes:: error ", e);
3100         }
3101         LOG.debug("deleted {} fib entries {} mac entries", totalExternalRoutes, totalExternalMacRoutes);
3102     }
3103
3104     public boolean addToRt2TepMap(String rd, String tepIp, String mac, Uint32 l2vni) {
3105         boolean isFirstMacUpdateFromTep = false;
3106         if (rt2TepMap.containsKey(rd)) {
3107             if (rt2TepMap.get(rd).containsKey(tepIp)) {
3108                 LOG.debug("RT2 with mac {} l2vni {} from existing rd {} and tep-ip {}. No Elan DS write required",
3109                         mac, l2vni, rd, tepIp);
3110                 rt2TepMap.get(rd).get(tepIp).put(mac, l2vni);
3111             } else {
3112                 LOG.debug("RT2 with mac {} l2vni {} from existing rd {} and new tep-ip {}",
3113                         mac, l2vni, rd, tepIp);
3114                 isFirstMacUpdateFromTep = true;
3115                 Map<String, Uint32> macList = new HashMap<>();
3116                 macList.put(mac, l2vni);
3117                 rt2TepMap.get(rd).put(tepIp, macList);
3118             }
3119         } else {
3120             LOG.debug("RT2 with mac {} l2vni {} from new rd {} and tep ip {}",
3121                     mac, l2vni, rd, tepIp);
3122             isFirstMacUpdateFromTep = true;
3123             Map<String, Uint32> macList = new HashMap<>();
3124             macList.put(mac, l2vni);
3125             Map<String, Map<String, Uint32>> tepIpMacMap = new HashMap<>();
3126             tepIpMacMap.put(tepIp, macList);
3127             rt2TepMap.put(rd, tepIpMacMap);
3128         }
3129         return isFirstMacUpdateFromTep;
3130     }
3131
3132     public boolean deleteFromRt2TepMap(String rd, String tepIp, String mac) {
3133         boolean isLastMacUpdateFromTep = false;
3134         LOG.debug("RT2 withdraw with rd {} mac {} tep-ip {} ", rd, mac, tepIp);
3135         if (rt2TepMap.containsKey(rd)) {
3136             if (rt2TepMap.get(rd).containsKey(tepIp)) {
3137                 if (rt2TepMap.get(rd).get(tepIp).containsKey(mac)) {
3138                     LOG.debug("RT2 Withdraw : Removing the mac {} from Map", mac);
3139                     rt2TepMap.get(rd).get(tepIp).remove(mac);
3140                     if (rt2TepMap.get(rd).get(tepIp).isEmpty()) {
3141                         isLastMacUpdateFromTep = true;
3142                         LOG.debug("RT2 Withdraw : Removing the tep-ip {} from Map", tepIp);
3143                         rt2TepMap.get(rd).remove(tepIp);
3144                         if (rt2TepMap.get(rd).isEmpty()) {
3145                             LOG.debug("RT2 Withdraw : Removing the rd {} from Map", rd);
3146                             rt2TepMap.remove(rd);
3147                         }
3148                     }
3149                 }
3150             }
3151         }
3152         return isLastMacUpdateFromTep;
3153     }
3154
3155     public Collection<String> getTepIPs(String rd) {
3156         final Map<String, Map<String, Uint32>> tepIpMap = rt2TepMap.get(rd);
3157         return tepIpMap != null ? tepIpMap.keySet() : Collections.emptyList();
3158     }
3159
3160     public boolean isBgpConnected() {
3161         return (bgpRouter == null) ? false : bgpRouter.isBgpConnected();
3162     }
3163
3164     public long getLastConnectedTS() {
3165         return (bgpRouter == null) ? 0 : bgpRouter.getLastConnectedTS();
3166     }
3167
3168     public long getConnectTS() {
3169         return (bgpRouter == null) ? 0 : bgpRouter.getConnectTS();
3170     }
3171
3172     public long getStartTS() {
3173         return (bgpRouter == null) ? 0 : bgpRouter.getStartTS();
3174     }
3175
3176     public TTransport getTransport() {
3177         return bgpRouter.getTransport();
3178     }
3179
3180     public int getTotalStaledCount() {
3181         return totalStaledCount;
3182     }
3183
3184     public int getTotalCleared() {
3185         return totalCleared;
3186     }
3187
3188     public BgpCounters getBgpCounters() {
3189         return bgpCountersReference.get();
3190     }
3191
3192     private void startBgpCountersTask() {
3193         if (getBgpCounters() == null && bgpCountersReference.compareAndSet(null,
3194                 new BgpCounters(getBgpSdncMipIp(), metricProvider))) {
3195             bgpCountersTask = executor.scheduleAtFixedRate(bgpCountersReference.get(), 0, 120 * 1000,
3196                     TimeUnit.MILLISECONDS);
3197             LOG.info("Bgp Counters task scheduled for every two minutes.");
3198
3199             bgpManager.setQbgpLog(BgpConstants.BGP_DEF_LOG_FILE, BgpConstants.BGP_DEF_LOG_LEVEL);
3200         }
3201     }
3202
3203     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
3204             justification = "https://github.com/spotbugs/spotbugs/issues/811")
3205     private void stopBgpCountersTask() {
3206         final BgpCounters bgpCounters = bgpCountersReference.getAndSet(null);
3207         if (bgpCounters != null) {
3208             bgpCountersTask.cancel(true);
3209             bgpCounters.close();
3210         }
3211     }
3212
3213     private void startBgpAlarmsTask() {
3214         if (getBgpAlarms() == null && bgpAlarmsReference.compareAndSet(null, new BgpAlarms(this))) {
3215             bgpAlarmsReference.get().init();
3216             bgpAlarmsTask = executor.scheduleAtFixedRate(bgpAlarmsReference.get(), 0, 60 * 1000, TimeUnit.MILLISECONDS);
3217             LOG.info("Bgp Alarms task scheduled for every minute.");
3218         } else {
3219             LOG.trace("Bgp Alarms task already scheduled for every minute.");
3220         }
3221     }
3222
3223     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
3224             justification = "https://github.com/spotbugs/spotbugs/issues/811")
3225     private void stopBgpAlarmsTask() {
3226         final BgpAlarms bgpAlarms = bgpAlarmsReference.getAndSet(null);
3227         if (bgpAlarms != null) {
3228             bgpAlarmsTask.cancel(true);
3229             bgpAlarms.close();
3230         }
3231     }
3232
3233     public BgpAlarms getBgpAlarms() {
3234         return bgpAlarmsReference.get();
3235     }
3236
3237     public void getPeerStatus(String nbrIp, long nbrAsNum) throws
3238             BgpRouterException, TException {
3239         bgpRouter.getPeerStatus(nbrIp, nbrAsNum);
3240     }
3241
3242     private static String appendNextHopToPrefix(String prefix, String nextHop) {
3243         return prefix + ":" + nextHop;
3244     }
3245
3246     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
3247             justification = "https://github.com/spotbugs/spotbugs/issues/811")
3248     private static String extractPrefix(String prefixNextHop) {
3249         return prefixNextHop.split(":")[0];
3250     }
3251
3252     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
3253             justification = "https://github.com/spotbugs/spotbugs/issues/811")
3254     private static String extractNextHop(String prefixNextHop) {
3255         return prefixNextHop.split(":")[1];
3256     }
3257
3258     private static String extractMd5Secret(final Neighbors val) {
3259         String md5Secret = null;
3260         TcpSecurityOption tcpSecOpt = val.getTcpSecurityOption();
3261         if (tcpSecOpt != null) {
3262             if (tcpSecOpt instanceof TcpMd5SignatureOption) {
3263                 md5Secret = ((TcpMd5SignatureOption) tcpSecOpt).getTcpMd5SignaturePassword().getValue();
3264             } else { // unknown TcpSecurityOption
3265                 LOG.debug("neighbors  Ignored unknown tcp-security-option of peer {}", val.getAddress().getValue());
3266             }
3267         }
3268         return md5Secret;
3269     } // private method extractMd5Secret
3270
3271     @SuppressWarnings("checkstyle:IllegalCatch")
3272     @Override
3273     public ListenableFuture<RpcResult<InitiateEorOutput>> initiateEor(InitiateEorInput input) {
3274         boolean returnError = false;
3275         String msg = null;
3276         String neighborIp = null;
3277         if (!isBGPEntityOwner()) {
3278             msg = String.format("RPC triggered in Non-EoS Owner");
3279             return Futures.immediateFuture(
3280                     RpcResultBuilder.<InitiateEorOutput>failed().withError(RpcError.ErrorType.APPLICATION,
3281                             msg).build());
3282         }
3283         if (input == null) {
3284             msg = String.format("BGP invalid input for EoR");
3285             LOG.error("Error : {}", msg);
3286             returnError = true;
3287         } else {
3288             neighborIp = input.getNeighborIp();
3289         }
3290         if (eorSupressedDuetoUpgradeFlag.get() == false) {
3291             msg = String.format("EoR triggerd by RBU-RPC call before replay"
3292                     + "of BGP configuration (or) BGP not restarted");
3293             LOG.error("Error : {}", msg);
3294         }
3295         if ("ALL".compareToIgnoreCase(neighborIp) == 0) {
3296             //send EoR for all the neighbor
3297             LOG.error("EoR trigger received to ALL neighbors");
3298             final int numberOfEORRetries = 3;
3299             RetryOnException eorRetry = new RetryOnException(numberOfEORRetries);
3300             do {
3301                 try {
3302                     BgpRouter br = bgpRouter;
3303                     br.sendEOR();
3304                     LOG.debug("RPC: sendEOR {} successful", br);
3305                     break;
3306                 } catch (Exception e) {
3307                     eorRetry.errorOccured();
3308                     LOG.error("Replay:sedEOR() received exception:", e);
3309                 }
3310             } while (eorRetry.shouldRetry());
3311             eorSupressedDuetoUpgradeFlag.set(false);
3312         } else if (InetAddresses.isInetAddress(neighborIp)) {
3313             //send EoR for only one neighbor
3314             msg = String.format("Inidividual neighbors EoR is not supported");
3315             LOG.warn("Error : {}", msg);
3316             returnError = true;
3317         } else {
3318             //error
3319             msg = String.format("RPC: initiateEor: Invalid input ");
3320             LOG.warn("Error : {}", msg);
3321             returnError = true;
3322         }
3323         if (returnError) {
3324             return Futures.immediateFuture(
3325                     RpcResultBuilder.<InitiateEorOutput>failed().withError(RpcError.ErrorType.APPLICATION,
3326                             msg).build());
3327         }
3328         InitiateEorOutput initiateEorOutput =
3329                 new InitiateEorOutputBuilder().setRetVal(0L).build();
3330         return Futures.immediateFuture(RpcResultBuilder.<InitiateEorOutput>success()
3331                 .withResult(initiateEorOutput).build());
3332     }
3333 }