qosservice/impl/src/main/java/org/opendaylight/netvirt/qosservice/QosNeutronUtils.java

   1 /*
   2  * Copyright (c) 2017 Intel Corporation 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.qosservice;
   9
  10 import com.google.common.base.Optional;
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.concurrent.ConcurrentHashMap;
  18 import java.util.concurrent.ConcurrentMap;
  19 import java.util.concurrent.CopyOnWriteArraySet;
  20 import java.util.concurrent.ExecutionException;
  21 import java.util.concurrent.Future;
  22 import javax.annotation.Nonnull;
  23 import javax.annotation.Nullable;
  24 import javax.inject.Inject;
  25 import javax.inject.Singleton;
  26 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  27 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  30 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  31 import org.opendaylight.genius.mdsalutil.ActionInfo;
  32 import org.opendaylight.genius.mdsalutil.FlowEntity;
  33 import org.opendaylight.genius.mdsalutil.InstructionInfo;
  34 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  35 import org.opendaylight.genius.mdsalutil.MatchInfo;
  36 import org.opendaylight.genius.mdsalutil.MetaDataUtil;
  37 import org.opendaylight.genius.mdsalutil.NwConstants;
  38 import org.opendaylight.genius.mdsalutil.actions.ActionNxResubmit;
  39 import org.opendaylight.genius.mdsalutil.actions.ActionSetFieldDscp;
  40 import org.opendaylight.genius.mdsalutil.instructions.InstructionApplyActions;
  41 import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
  42 import org.opendaylight.genius.mdsalutil.matches.MatchEthernetType;
  43 import org.opendaylight.genius.mdsalutil.matches.MatchMetadata;
  44 import org.opendaylight.genius.utils.ServiceIndex;
  45 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  46 import org.opendaylight.netvirt.neutronvpn.interfaces.INeutronVpnManager;
  47 import org.opendaylight.ovsdb.utils.southbound.utils.SouthboundUtils;
  48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.InterfacesState;
  49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeInterfaceInfo;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.BridgeRefInfo;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntry;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntryKey;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntry;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge.ref.info.BridgeRefEntryKey;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInput;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceInputBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.GetDpidFromInterfaceOutput;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rpcs.rev160406.OdlInterfaceRpcService;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceBindings;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceModeIngress;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.ServiceTypeFlowBased;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.StypeOpenflow;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.StypeOpenflowBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfo;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.ServicesInfoKey;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServicesKey;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.NetworkMaps;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.Subnetmaps;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMap;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.networkmaps.NetworkMapKey;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.Subnetmap;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.rev150602.subnetmaps.SubnetmapKey;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.networks.attributes.networks.Network;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosNetworkExtension;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.ext.rev160613.QosPortExtension;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.QosPolicy;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.BandwidthLimitRules;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.BandwidthLimitRulesBuilder;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.qos.rev160613.qos.attributes.qos.policies.qos.policy.DscpmarkingRules;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentationBuilder;
  92 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  93 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  94 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  95 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  96 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  97 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointBuilder;
  98 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  99 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 100 import org.opendaylight.yangtools.yang.common.RpcResult;
 101 import org.slf4j.Logger;
 102 import org.slf4j.LoggerFactory;
 103
 104 @Singleton
 105 public class QosNeutronUtils {
 106     private static final Logger LOG = LoggerFactory.getLogger(QosNeutronUtils.class);
 107
 108     private final ConcurrentMap<Uuid, QosPolicy> qosPolicyMap = new ConcurrentHashMap<>();
 109     private final ConcurrentMap<Uuid, ConcurrentMap<Uuid, Port>> qosPortsMap = new ConcurrentHashMap<>();
 110     private final ConcurrentMap<Uuid, ConcurrentMap<Uuid, Network>> qosNetworksMap = new ConcurrentHashMap<>();
 111     private final CopyOnWriteArraySet<Uuid> qosServiceConfiguredPorts = new CopyOnWriteArraySet<>();
 112     private final ConcurrentHashMap<Uuid, Port> neutronPortMap = new ConcurrentHashMap<>();
 113     private final ConcurrentHashMap<Uuid, Network> neutronNetworkMap = new ConcurrentHashMap<>();
 114
 115     private final QosEosHandler qosEosHandler;
 116     private final INeutronVpnManager neutronVpnManager;
 117     private final OdlInterfaceRpcService odlInterfaceRpcService;
 118     private final DataBroker dataBroker;
 119     private final ManagedNewTransactionRunner txRunner;
 120     private final IMdsalApiManager mdsalUtils;
 121     private final JobCoordinator jobCoordinator;
 122
 123     @Inject
 124     public QosNeutronUtils(final QosEosHandler qosEosHandler, final INeutronVpnManager neutronVpnManager,
 125             final OdlInterfaceRpcService odlInterfaceRpcService, final DataBroker dataBroker,
 126             final IMdsalApiManager mdsalUtils, final JobCoordinator jobCoordinator) {
 127         this.qosEosHandler = qosEosHandler;
 128         this.neutronVpnManager = neutronVpnManager;
 129         this.odlInterfaceRpcService = odlInterfaceRpcService;
 130         this.dataBroker = dataBroker;
 131         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
 132         this.mdsalUtils = mdsalUtils;
 133         this.jobCoordinator = jobCoordinator;
 134     }
 135
 136     public void addToQosPolicyCache(QosPolicy qosPolicy) {
 137         qosPolicyMap.put(qosPolicy.getUuid(),qosPolicy);
 138     }
 139
 140     public void removeFromQosPolicyCache(QosPolicy qosPolicy) {
 141         qosPolicyMap.remove(qosPolicy.getUuid());
 142     }
 143
 144     public Map<Uuid, QosPolicy> getQosPolicyMap() {
 145         return qosPolicyMap;
 146     }
 147
 148     public Collection<Port> getQosPorts(Uuid qosUuid) {
 149         final ConcurrentMap<Uuid, Port> portMap = qosPortsMap.get(qosUuid);
 150         return portMap != null ? portMap.values() : Collections.emptyList();
 151     }
 152
 153     public void addToQosPortsCache(Uuid qosUuid, Port port) {
 154         qosPortsMap.computeIfAbsent(qosUuid, key -> new ConcurrentHashMap<>()).putIfAbsent(port.getUuid(), port);
 155     }
 156
 157     public void removeFromQosPortsCache(Uuid qosUuid, Port port) {
 158         if (qosPortsMap.containsKey(qosUuid) && qosPortsMap.get(qosUuid).containsKey(port.getUuid())) {
 159             qosPortsMap.get(qosUuid).remove(port.getUuid(), port);
 160         }
 161     }
 162
 163     public void addToQosNetworksCache(Uuid qosUuid, Network network) {
 164         qosNetworksMap.computeIfAbsent(qosUuid, key -> new ConcurrentHashMap<>()).putIfAbsent(network.getUuid(),
 165                 network);
 166     }
 167
 168     public void removeFromQosNetworksCache(Uuid qosUuid, Network network) {
 169         if (qosNetworksMap.containsKey(qosUuid) && qosNetworksMap.get(qosUuid).containsKey(network.getUuid())) {
 170             qosNetworksMap.get(qosUuid).remove(network.getUuid(), network);
 171         }
 172     }
 173
 174     @Nonnull
 175     public Collection<Network> getQosNetworks(Uuid qosUuid) {
 176         final ConcurrentMap<Uuid, Network> networkMap = qosNetworksMap.get(qosUuid);
 177         return networkMap != null ? networkMap.values() : Collections.emptyList();
 178     }
 179
 180     @Nonnull
 181     public List<Uuid> getSubnetIdsFromNetworkId(Uuid networkId) {
 182         InstanceIdentifier<NetworkMap> networkMapId = InstanceIdentifier.builder(NetworkMaps.class)
 183                 .child(NetworkMap.class, new NetworkMapKey(networkId)).build();
 184         Optional<NetworkMap> optionalNetworkMap = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION,
 185                 networkMapId, dataBroker);
 186         return optionalNetworkMap.isPresent() ? optionalNetworkMap.get().getSubnetIdList() : Collections.emptyList();
 187     }
 188
 189     @Nonnull
 190     protected List<Uuid> getPortIdsFromSubnetId(Uuid subnetId) {
 191         InstanceIdentifier<Subnetmap> subnetMapId = InstanceIdentifier
 192                 .builder(Subnetmaps.class)
 193                 .child(Subnetmap.class, new SubnetmapKey(subnetId)).build();
 194         Optional<Subnetmap> optionalSubnetmap = MDSALUtil.read(LogicalDatastoreType.CONFIGURATION,
 195                 subnetMapId,dataBroker);
 196         return optionalSubnetmap.isPresent() ? optionalSubnetmap.get().getPortList() : Collections.emptyList();
 197     }
 198
 199     public void handleNeutronPortQosAdd(Port port, Uuid qosUuid) {
 200         LOG.debug("Handling Port add and QoS associated: port: {} qos: {}", port.getUuid().getValue(),
 201                 qosUuid.getValue());
 202
 203         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 204
 205         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 206             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
 207                 // handle Bandwidth Limit Rules update
 208                 if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 209                         && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 210                     setPortBandwidthLimits(port, qosPolicy.getBandwidthLimitRules().get(0), tx);
 211                 }
 212                 // handle DSCP Mark Rules update
 213                 if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 214                         && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 215                     setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 216                 }
 217             })));
 218     }
 219
 220     public void handleQosInterfaceAdd(Port port, Uuid qosUuid) {
 221         LOG.debug("Handling Port add and QoS associated: port: {} qos: {}", port.getUuid().getValue(),
 222                 qosUuid.getValue());
 223
 224         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 225
 226         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 227             // handle DSCP Mark Rules update
 228             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 229                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 230                 setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 231             }
 232             return Collections.emptyList();
 233         });
 234     }
 235
 236     public void handleNeutronPortQosUpdate(Port port, Uuid qosUuidNew, Uuid qosUuidOld) {
 237         LOG.debug("Handling Port QoS update: port: {} qosservice: {}", port.getUuid().getValue(),
 238                 qosUuidNew.getValue());
 239
 240         QosPolicy qosPolicyNew = qosPolicyMap.get(qosUuidNew);
 241         QosPolicy qosPolicyOld = qosPolicyMap.get(qosUuidOld);
 242
 243         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 244             () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
 245                 // handle Bandwidth Limit Rules update
 246                 if (qosPolicyNew != null && qosPolicyNew.getBandwidthLimitRules() != null
 247                         && !qosPolicyNew.getBandwidthLimitRules().isEmpty()) {
 248                     setPortBandwidthLimits(port, qosPolicyNew.getBandwidthLimitRules().get(0), tx);
 249                 } else {
 250                     if (qosPolicyOld != null && qosPolicyOld.getBandwidthLimitRules() != null
 251                             && !qosPolicyOld.getBandwidthLimitRules().isEmpty()) {
 252                         BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 253                         setPortBandwidthLimits(port, bwLimitBuilder
 254                                 .setMaxBurstKbps(BigInteger.ZERO)
 255                                 .setMaxKbps(BigInteger.ZERO).build(), tx);
 256                     }
 257                 }
 258                 //handle DSCP Mark Rules update
 259                 if (qosPolicyNew != null && qosPolicyNew.getDscpmarkingRules() != null
 260                         && !qosPolicyNew.getDscpmarkingRules().isEmpty()) {
 261                     setPortDscpMarking(port, qosPolicyNew.getDscpmarkingRules().get(0));
 262                 } else {
 263                     if (qosPolicyOld != null && qosPolicyOld.getDscpmarkingRules() != null
 264                             && !qosPolicyOld.getDscpmarkingRules().isEmpty()) {
 265                         unsetPortDscpMark(port);
 266                     }
 267                 }
 268             })));
 269     }
 270
 271     public void handleNeutronPortQosRemove(Port port, Uuid qosUuid) {
 272         LOG.debug("Handling Port QoS removal: port: {} qosservice: {}", port.getUuid().getValue(), qosUuid.getValue());
 273
 274         // check for network qosservice to apply
 275         Network network =  neutronVpnManager.getNeutronNetwork(port.getNetworkId());
 276         if (network != null && network.augmentation(QosNetworkExtension.class) != null) {
 277             Uuid networkQosUuid = network.augmentation(QosNetworkExtension.class).getQosPolicyId();
 278             if (networkQosUuid != null) {
 279                 handleNeutronPortQosUpdate(port, networkQosUuid, qosUuid);
 280             }
 281         } else {
 282             QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 283
 284             jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(),
 285                 () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
 286                     // handle Bandwidth Limit Rules removal
 287                     if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 288                             && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 289                         BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 290                         setPortBandwidthLimits(port, bwLimitBuilder
 291                                 .setMaxBurstKbps(BigInteger.ZERO)
 292                                 .setMaxKbps(BigInteger.ZERO).build(), tx);
 293                     }
 294                     // handle DSCP MArk Rules removal
 295                     if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 296                             && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 297                         unsetPortDscpMark(port);
 298                     }
 299                 })));
 300         }
 301     }
 302
 303     public void handleNeutronPortRemove(Port port, Uuid qosUuid) {
 304         LOG.debug("Handling Port removal and Qos associated: port: {} qos: {}", port.getUuid().getValue(),
 305                 qosUuid.getValue());
 306         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 307
 308         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 309             //check if any DSCP rule in the policy
 310             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 311                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 312                 unsetPortDscpMark(port);
 313             }
 314             return Collections.emptyList();
 315         });
 316     }
 317
 318     public void handleNeutronPortRemove(Port port, Uuid qosUuid, Interface intrf) {
 319         LOG.debug("Handling Port removal and Qos associated: port: {} qos: {}", port.getUuid().getValue(),
 320                 qosUuid.getValue());
 321         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 322
 323         jobCoordinator.enqueueJob("QosPort-" + port.getUuid().getValue(), () -> {
 324             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 325                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 326                 unsetPortDscpMark(port, intrf);
 327             }
 328             return Collections.emptyList();
 329         });
 330     }
 331
 332
 333     public void handleNeutronNetworkQosUpdate(Network network, Uuid qosUuid) {
 334         LOG.debug("Handling Network QoS update: net: {} qosservice: {}", network.getUuid().getValue(), qosUuid);
 335         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 336         if (qosPolicy == null || (qosPolicy.getBandwidthLimitRules() == null
 337                 || qosPolicy.getBandwidthLimitRules().isEmpty())
 338                 && (qosPolicy.getDscpmarkingRules() == null
 339                 || qosPolicy.getDscpmarkingRules().isEmpty())) {
 340             return;
 341         }
 342         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 343         for (Uuid subnetId : subnetIds) {
 344             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 345             for (Uuid portId : portIds) {
 346                 Port port = getNeutronPort(portId);
 347                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 348                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 349                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(),
 350                         () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
 351                             if (qosPolicy.getBandwidthLimitRules() != null
 352                                     && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 353                                 setPortBandwidthLimits(port, qosPolicy.getBandwidthLimitRules().get(0), tx);
 354                             }
 355                             if (qosPolicy.getDscpmarkingRules() != null
 356                                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 357                                 setPortDscpMarking(port, qosPolicy.getDscpmarkingRules().get(0));
 358                             }
 359                         })));
 360                 }
 361             }
 362         }
 363     }
 364
 365     public void handleNeutronNetworkQosRemove(Network network, Uuid qosUuid) {
 366         LOG.debug("Handling Network QoS removal: net: {} qosservice: {}", network.getUuid().getValue(),
 367                 qosUuid.getValue());
 368         QosPolicy qosPolicy = qosPolicyMap.get(qosUuid);
 369
 370         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 371         for (Uuid subnetId : subnetIds) {
 372             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 373             for (Uuid portId : portIds) {
 374                 Port port = getNeutronPort(portId);
 375                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 376                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 377                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(),
 378                         () -> Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
 379                             if (qosPolicy != null && qosPolicy.getBandwidthLimitRules() != null
 380                                     && !qosPolicy.getBandwidthLimitRules().isEmpty()) {
 381                                 BandwidthLimitRulesBuilder bwLimitBuilder = new BandwidthLimitRulesBuilder();
 382                                 setPortBandwidthLimits(port, bwLimitBuilder
 383                                         .setMaxBurstKbps(BigInteger.ZERO)
 384                                         .setMaxKbps(BigInteger.ZERO).build(), tx);
 385                             }
 386                             if (qosPolicy != null && qosPolicy.getDscpmarkingRules() != null
 387                                     && !qosPolicy.getDscpmarkingRules().isEmpty()) {
 388                                 unsetPortDscpMark(port);
 389                             }
 390                         })));
 391                 }
 392             }
 393         }
 394     }
 395
 396     public void handleNeutronNetworkQosBwRuleRemove(Network network, BandwidthLimitRules zeroBwLimitRule) {
 397         LOG.debug("Handling Qos Bandwidth Rule Remove, net: {}", network.getUuid().getValue());
 398
 399         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 400
 401         for (Uuid subnetId: subnetIds) {
 402             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 403             for (Uuid portId : portIds) {
 404                 Port port = getNeutronPort(portId);
 405                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 406                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 407                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(), () -> Collections.singletonList(
 408                             txRunner.callWithNewWriteOnlyTransactionAndSubmit(
 409                                 tx -> setPortBandwidthLimits(port, zeroBwLimitRule, tx))));
 410                 }
 411             }
 412         }
 413     }
 414
 415     public void handleNeutronNetworkQosDscpRuleRemove(Network network) {
 416         LOG.debug("Handling Qos Dscp Rule Remove, net: {}", network.getUuid().getValue());
 417
 418         List<Uuid> subnetIds = getSubnetIdsFromNetworkId(network.getUuid());
 419
 420         for (Uuid subnetId: subnetIds) {
 421             List<Uuid> portIds = getPortIdsFromSubnetId(subnetId);
 422             for (Uuid portId : portIds) {
 423                 Port port = getNeutronPort(portId);
 424                 if (port != null && (port.augmentation(QosPortExtension.class) == null
 425                         || port.augmentation(QosPortExtension.class).getQosPolicyId() == null)) {
 426                     jobCoordinator.enqueueJob("QosPort-" + portId.getValue(), () -> {
 427                         unsetPortDscpMark(port);
 428                         return Collections.emptyList();
 429                     });
 430                 }
 431             }
 432         }
 433     }
 434
 435     // TODO Clean up the exception handling
 436     @SuppressWarnings("checkstyle:IllegalCatch")
 437     public void setPortBandwidthLimits(Port port, BandwidthLimitRules bwLimit, WriteTransaction writeConfigTxn) {
 438         if (!qosEosHandler.isQosClusterOwner()) {
 439             LOG.debug("Not Qos Cluster Owner. Ignoring setting bandwidth limits");
 440             return;
 441         }
 442         BigInteger dpId = getDpnForInterface(port.getUuid().getValue());
 443         if (dpId.equals(BigInteger.ZERO)) {
 444             LOG.info("DPN ID for interface {} not found", port.getUuid().getValue());
 445             return;
 446         }
 447
 448         LOG.trace("Setting bandwidth limits {} on Port {}", port.getUuid().getValue(), bwLimit);
 449         OvsdbBridgeRef bridgeRefEntry = getBridgeRefEntryFromOperDS(dpId);
 450         Optional<Node> bridgeNode = MDSALUtil.read(LogicalDatastoreType.OPERATIONAL,
 451                 bridgeRefEntry.getValue().firstIdentifierOf(Node.class), dataBroker);
 452
 453
 454         TerminationPoint tp = SouthboundUtils.getTerminationPointByExternalId(bridgeNode.get(),
 455                 port.getUuid().getValue());
 456         OvsdbTerminationPointAugmentation ovsdbTp = tp.augmentation(OvsdbTerminationPointAugmentation.class);
 457
 458         OvsdbTerminationPointAugmentationBuilder tpAugmentationBuilder = new OvsdbTerminationPointAugmentationBuilder();
 459         tpAugmentationBuilder.setName(ovsdbTp.getName());
 460         tpAugmentationBuilder.setIngressPolicingRate(bwLimit.getMaxKbps().longValue());
 461         tpAugmentationBuilder.setIngressPolicingBurst(bwLimit.getMaxBurstKbps().longValue());
 462
 463         TerminationPointBuilder tpBuilder = new TerminationPointBuilder();
 464         tpBuilder.withKey(tp.key());
 465         tpBuilder.addAugmentation(OvsdbTerminationPointAugmentation.class, tpAugmentationBuilder.build());
 466         try {
 467             if (writeConfigTxn != null) {
 468                 writeConfigTxn.merge(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier
 469                         .create(NetworkTopology.class)
 470                         .child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
 471                         .child(Node.class, bridgeNode.get().key())
 472                         .child(TerminationPoint.class, new TerminationPointKey(tp.key())), tpBuilder.build(), true);
 473             } else {
 474                 MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier
 475                         .create(NetworkTopology.class)
 476                         .child(Topology.class, new TopologyKey(SouthboundUtils.OVSDB_TOPOLOGY_ID))
 477                         .child(Node.class, bridgeNode.get().key())
 478                         .child(TerminationPoint.class, new TerminationPointKey(tp.key())), tpBuilder.build());
 479             }
 480         } catch (Exception e) {
 481             if (LOG.isDebugEnabled()) {
 482                 LOG.debug("Failure while setting BwLimitRule {} to port {} exception ", bwLimit,
 483                         port.getUuid().getValue(), e);
 484             } else {
 485                 LOG.error("Failure while setting BwLimitRule {} to port {}", bwLimit, port.getUuid().getValue());
 486             }
 487         }
 488
 489     }
 490
 491     public void setPortDscpMarking(Port port, DscpmarkingRules dscpMark) {
 492         if (!qosEosHandler.isQosClusterOwner()) {
 493             LOG.trace("Not Qos Cluster Owner. Ignoring setting DSCP marking");
 494             return;
 495         }
 496
 497         BigInteger dpnId = getDpnForInterface(port.getUuid().getValue());
 498         String ifName = port.getUuid().getValue();
 499         Interface ifState = getInterfaceStateFromOperDS(ifName);
 500         Short dscpValue = dscpMark.getDscpMark();
 501
 502         if (dpnId.equals(BigInteger.ZERO)) {
 503             LOG.info("DPN ID for interface {} not found. Cannot set dscp value {} on port {}",
 504                     port.getUuid().getValue(), dscpMark, port.getUuid().getValue());
 505             return;
 506         }
 507         int ipVersions = getIpVersions(port);
 508         //1. OF rules
 509         if (hasIpv4Addr(ipVersions)) {
 510             LOG.trace("setting ipv4 flow for port: {}, dscp: {}", ifName, dscpValue);
 511             addFlow(dpnId, dscpValue, ifName, NwConstants.ETHTYPE_IPV4, ifState);
 512         }
 513         if (hasIpv6Addr(ipVersions)) {
 514             LOG.trace("setting ipv6 flow for port: {}, dscp: {}", ifName, dscpValue);
 515             addFlow(dpnId, dscpValue, ifName, NwConstants.ETHTYPE_IPV6, ifState);
 516         }
 517
 518         if (qosServiceConfiguredPorts.add(port.getUuid())) {
 519             // bind qos service to interface
 520             bindservice(ifName);
 521         }
 522     }
 523
 524     public void unsetPortDscpMark(Port port) {
 525         if (!qosEosHandler.isQosClusterOwner()) {
 526             LOG.debug("Not Qos Cluster Owner. Ignoring unsetting DSCP marking");
 527             return;
 528         }
 529
 530         BigInteger dpnId = getDpnForInterface(port.getUuid().getValue());
 531         String ifName = port.getUuid().getValue();
 532
 533         if (dpnId.equals(BigInteger.ZERO)) {
 534             LOG.debug("DPN ID for port {} not found. Cannot unset dscp value", port.getUuid().getValue());
 535             return;
 536         }
 537         LOG.trace("Removing dscp marking rule from Port {}", port.getUuid().getValue());
 538         Interface intf = getInterfaceStateFromOperDS(ifName);
 539         //unbind service from interface
 540         unbindservice(ifName);
 541         // 1. OF
 542         int ipVersions = getIpVersions(port);
 543         if (hasIpv4Addr(ipVersions)) {
 544             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV4, intf);
 545         }
 546         if (hasIpv6Addr(ipVersions)) {
 547             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV6, intf);
 548         }
 549         qosServiceConfiguredPorts.remove(port.getUuid());
 550     }
 551
 552     public void unsetPortDscpMark(Port port, Interface intrf) {
 553         if (!qosEosHandler.isQosClusterOwner()) {
 554             return;
 555         }
 556         BigInteger dpnId = getDpIdFromInterface(intrf);
 557         String ifName = port.getUuid().getValue();
 558
 559         if (dpnId.equals(BigInteger.ZERO)) {
 560             LOG.error("Unable to retrieve DPN Id for interface {}. Cannot unset dscp value on port", ifName);
 561             return;
 562         }
 563         LOG.trace("Removing dscp marking rule from Port {}", port.getUuid().getValue());
 564         unbindservice(ifName);
 565         int ipVersions = getIpVersions(port);
 566         if (hasIpv4Addr(ipVersions)) {
 567             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV4, intrf);
 568         }
 569         if (hasIpv6Addr(ipVersions)) {
 570             removeFlow(dpnId, ifName, NwConstants.ETHTYPE_IPV6, intrf);
 571         }
 572         qosServiceConfiguredPorts.remove(port.getUuid());
 573     }
 574
 575     private static BigInteger getDpIdFromInterface(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf
 576                                                            .interfaces.rev140508.interfaces.state.Interface ifState) {
 577         String lowerLayerIf = ifState.getLowerLayerIf().get(0);
 578         NodeConnectorId nodeConnectorId = new NodeConnectorId(lowerLayerIf);
 579         return BigInteger.valueOf(MDSALUtil.getDpnIdFromPortName(nodeConnectorId));
 580     }
 581
 582     public BigInteger getDpnForInterface(String ifName) {
 583         BigInteger nodeId = BigInteger.ZERO;
 584         try {
 585             GetDpidFromInterfaceInput
 586                     dpIdInput = new GetDpidFromInterfaceInputBuilder().setIntfName(ifName).build();
 587             Future<RpcResult<GetDpidFromInterfaceOutput>>
 588                     dpIdOutput = odlInterfaceRpcService.getDpidFromInterface(dpIdInput);
 589             RpcResult<GetDpidFromInterfaceOutput> dpIdResult = dpIdOutput.get();
 590             if (dpIdResult.isSuccessful()) {
 591                 nodeId = dpIdResult.getResult().getDpid();
 592             } else {
 593                 LOG.error("Could not retrieve DPN Id for interface {}", ifName);
 594             }
 595         } catch (NullPointerException | InterruptedException | ExecutionException e) {
 596             if (LOG.isDebugEnabled()) {
 597                 LOG.debug("Exception when getting DPN for interface {} exception ", ifName, e);
 598             } else {
 599                 LOG.error("Could not retrieve DPN for interface {}", ifName);
 600             }
 601         }
 602         return nodeId;
 603     }
 604
 605     @Nullable
 606     private BridgeEntry getBridgeEntryFromConfigDS(BigInteger dpnId) {
 607         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpnId);
 608         InstanceIdentifier<BridgeEntry> bridgeEntryInstanceIdentifier = getBridgeEntryIdentifier(bridgeEntryKey);
 609         LOG.debug("Trying to retrieve bridge entry from config for Id: {}", bridgeEntryInstanceIdentifier);
 610         return getBridgeEntryFromConfigDS(bridgeEntryInstanceIdentifier);
 611     }
 612
 613     @Nullable
 614     private BridgeEntry getBridgeEntryFromConfigDS(InstanceIdentifier<BridgeEntry> bridgeEntryInstanceIdentifier) {
 615         return MDSALUtil.read(LogicalDatastoreType.CONFIGURATION, bridgeEntryInstanceIdentifier, dataBroker).orNull();
 616     }
 617
 618     @Nullable
 619     private BridgeRefEntry getBridgeRefEntryFromOperDS(InstanceIdentifier<BridgeRefEntry> dpnBridgeEntryIid) {
 620         return MDSALUtil.read(LogicalDatastoreType.OPERATIONAL, dpnBridgeEntryIid, dataBroker).orNull();
 621     }
 622
 623     @Nullable
 624     private OvsdbBridgeRef getBridgeRefEntryFromOperDS(BigInteger dpId) {
 625         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 626         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid = getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 627         BridgeRefEntry bridgeRefEntry = getBridgeRefEntryFromOperDS(bridgeRefEntryIid);
 628         if (bridgeRefEntry == null) {
 629             // bridge ref entry will be null if the bridge is disconnected from controller.
 630             // In that case, fetch bridge reference from bridge interface entry config DS
 631             BridgeEntry bridgeEntry = getBridgeEntryFromConfigDS(dpId);
 632             if (bridgeEntry == null) {
 633                 return null;
 634             }
 635             return  bridgeEntry.getBridgeReference();
 636         }
 637         return bridgeRefEntry.getBridgeReference();
 638     }
 639
 640     @Nonnull
 641     private static InstanceIdentifier<BridgeRefEntry> getBridgeRefEntryIdentifier(BridgeRefEntryKey bridgeRefEntryKey) {
 642         return InstanceIdentifier.builder(BridgeRefInfo.class).child(BridgeRefEntry.class, bridgeRefEntryKey).build();
 643     }
 644
 645     @Nonnull
 646     private static InstanceIdentifier<BridgeEntry> getBridgeEntryIdentifier(BridgeEntryKey bridgeEntryKey) {
 647         return InstanceIdentifier.builder(BridgeInterfaceInfo.class).child(BridgeEntry.class, bridgeEntryKey).build();
 648     }
 649
 650     public void removeStaleFlowEntry(Interface intrf, int ethType) {
 651         List<MatchInfo> matches = new ArrayList<>();
 652
 653         BigInteger dpnId = getDpIdFromInterface(intrf);
 654
 655         Integer ifIndex = intrf.getIfIndex();
 656         matches.add(new MatchMetadata(MetaDataUtil.getLportTagMetaData(ifIndex), MetaDataUtil.METADATA_MASK_LPORT_TAG));
 657         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.QOS_DSCP_TABLE,
 658                 getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType),
 659                 QosConstants.QOS_DEFAULT_FLOW_PRIORITY, "QoSRemoveFlow", 0, 0, NwConstants.COOKIE_QOS_TABLE,
 660                 matches, null);
 661         mdsalUtils.removeFlow(flowEntity);
 662     }
 663
 664     public void addFlow(BigInteger dpnId, Short dscpValue, String ifName, int ethType, Interface ifState) {
 665         if (ifState == null) {
 666             LOG.debug("Could not find the ifState for interface {}", ifName);
 667             return;
 668         }
 669         Integer ifIndex = ifState.getIfIndex();
 670
 671         List<MatchInfo> matches = new ArrayList<>();
 672         matches.add(new MatchEthernetType(ethType));
 673         matches.add(new MatchMetadata(MetaDataUtil.getLportTagMetaData(ifIndex), MetaDataUtil.METADATA_MASK_LPORT_TAG));
 674
 675         List<ActionInfo> actionsInfos = new ArrayList<>();
 676         actionsInfos.add(new ActionSetFieldDscp(dscpValue));
 677         actionsInfos.add(new ActionNxResubmit(NwConstants.LPORT_DISPATCHER_TABLE));
 678
 679         List<InstructionInfo> instructions = Collections.singletonList(new InstructionApplyActions(actionsInfos));
 680         FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.QOS_DSCP_TABLE,
 681                 getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType),
 682                 QosConstants.QOS_DEFAULT_FLOW_PRIORITY, "QoSConfigFlow", 0, 0, NwConstants.COOKIE_QOS_TABLE,
 683                 matches, instructions);
 684         mdsalUtils.installFlow(flowEntity);
 685     }
 686
 687     public void removeFlow(BigInteger dpnId, String ifName, int ethType, Interface ifState) {
 688         if (ifState == null) {
 689             LOG.debug("Could not find the ifState for interface {}", ifName);
 690             return;
 691         }
 692         Integer ifIndex = ifState.getIfIndex();
 693
 694         mdsalUtils.removeFlow(dpnId, NwConstants.QOS_DSCP_TABLE,
 695                 new FlowId(getQosFlowId(NwConstants.QOS_DSCP_TABLE, dpnId, ifIndex, ethType)));
 696     }
 697
 698     @Nullable
 699     public org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 700             .ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(
 701             String interfaceName) {
 702         return MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL,
 703                 createInterfaceStateInstanceIdentifier(interfaceName)).orNull();
 704     }
 705
 706     @Nonnull
 707     public static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 708             .ietf.interfaces.rev140508.interfaces.state.Interface> createInterfaceStateInstanceIdentifier(
 709             String interfaceName) {
 710         return InstanceIdentifier
 711                 .builder(InterfacesState.class)
 712                 .child(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 713                                 .ietf.interfaces.rev140508.interfaces.state.Interface.class,
 714                         new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
 715                                 .ietf.interfaces.rev140508.interfaces.state.InterfaceKey(
 716                                 interfaceName))
 717                 .build();
 718     }
 719
 720     public void bindservice(String ifName) {
 721         int priority = QosConstants.QOS_DEFAULT_FLOW_PRIORITY;
 722         int instructionKey = 0;
 723         List<Instruction> instructions = new ArrayList<>();
 724         instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(NwConstants.QOS_DSCP_TABLE, ++instructionKey));
 725         short qosServiceIndex = ServiceIndex.getIndex(NwConstants.QOS_SERVICE_NAME, NwConstants.QOS_SERVICE_INDEX);
 726
 727         BoundServices serviceInfo = getBoundServices(
 728                 String.format("%s.%s", "qos", ifName), qosServiceIndex,
 729                 priority, NwConstants.COOKIE_QOS_TABLE, instructions);
 730         MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION,
 731                 buildServiceId(ifName, qosServiceIndex),
 732                 serviceInfo);
 733     }
 734
 735     public void unbindservice(String ifName) {
 736         MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.CONFIGURATION, buildServiceId(ifName,
 737                 ServiceIndex.getIndex(NwConstants.QOS_SERVICE_NAME, NwConstants.QOS_SERVICE_INDEX)));
 738     }
 739
 740     private static InstanceIdentifier<BoundServices> buildServiceId(String interfaceName, short qosServiceIndex) {
 741         return InstanceIdentifier.builder(ServiceBindings.class)
 742                 .child(ServicesInfo.class, new ServicesInfoKey(interfaceName, ServiceModeIngress.class))
 743                 .child(BoundServices.class, new BoundServicesKey(qosServiceIndex)).build();
 744     }
 745
 746     private static BoundServices getBoundServices(String serviceName, short qosServiceIndex, int priority,
 747                                                   BigInteger cookieQosTable, List<Instruction> instructions) {
 748         StypeOpenflowBuilder augBuilder = new StypeOpenflowBuilder().setFlowCookie(cookieQosTable)
 749                 .setFlowPriority(priority).setInstruction(instructions);
 750         return new BoundServicesBuilder().withKey(new BoundServicesKey(qosServiceIndex)).setServiceName(serviceName)
 751                 .setServicePriority(qosServiceIndex).setServiceType(ServiceTypeFlowBased.class)
 752                 .addAugmentation(StypeOpenflow.class, augBuilder.build()).build();
 753     }
 754
 755     @Nonnull
 756     public static String getQosFlowId(short tableId, BigInteger dpId, int lportTag, int ethType) {
 757         return new StringBuilder().append(tableId).append(NwConstants.FLOWID_SEPARATOR).append(dpId)
 758                 .append(NwConstants.FLOWID_SEPARATOR).append(lportTag)
 759                 .append(NwConstants.FLOWID_SEPARATOR).append(ethType).toString();
 760     }
 761
 762     public boolean portHasQosPolicy(Port port) {
 763         LOG.trace("checking qos policy for port: {}", port.getUuid().getValue());
 764
 765         boolean isQosPolicy = port.augmentation(QosPortExtension.class) != null
 766                 && port.augmentation(QosPortExtension.class).getQosPolicyId() != null;
 767
 768         LOG.trace("portHasQosPolicy for  port: {} return value {}", port.getUuid().getValue(), isQosPolicy);
 769         return isQosPolicy;
 770     }
 771
 772     @Nullable
 773     public QosPolicy getQosPolicy(Port port) {
 774         Uuid qosUuid = null;
 775         QosPolicy qosPolicy = null;
 776
 777         if (port.augmentation(QosPortExtension.class) != null) {
 778             qosUuid = port.augmentation(QosPortExtension.class).getQosPolicyId();
 779         } else {
 780             Network network = neutronVpnManager.getNeutronNetwork(port.getNetworkId());
 781
 782             if (network.augmentation(QosNetworkExtension.class) != null) {
 783                 qosUuid = network.augmentation(QosNetworkExtension.class).getQosPolicyId();
 784             }
 785         }
 786
 787         if (qosUuid != null) {
 788             qosPolicy = qosPolicyMap.get(qosUuid);
 789         }
 790
 791         return qosPolicy;
 792     }
 793
 794     public boolean hasDscpMarkingRule(QosPolicy qosPolicy) {
 795         if (qosPolicy != null) {
 796             return qosPolicy.getDscpmarkingRules() != null && !qosPolicy.getDscpmarkingRules().isEmpty();
 797         }
 798         return false;
 799     }
 800
 801     public void addToPortCache(Port port) {
 802         neutronPortMap.put(port.getUuid(), port);
 803     }
 804
 805     public void removeFromPortCache(Port port) {
 806         neutronPortMap.remove(port.getUuid());
 807     }
 808
 809     public Port getNeutronPort(Uuid portUuid) {
 810         return neutronPortMap.get(portUuid);
 811     }
 812
 813     public Port getNeutronPort(String portName) {
 814         return getNeutronPort(new Uuid(portName));
 815     }
 816
 817     public void addToNetworkCache(Network network) {
 818         neutronNetworkMap.put(network.getUuid(), network);
 819     }
 820
 821     public void removeFromNetworkCache(Network network) {
 822         neutronNetworkMap.remove(network.getUuid());
 823     }
 824
 825     public Network getNeutronNetwork(Uuid networkUuid) {
 826         return neutronNetworkMap.get(networkUuid);
 827     }
 828
 829     public static BigInteger getDpnIdFromLowerLayerIf(String lowerLayerIf) {
 830         try {
 831             return new BigInteger(lowerLayerIf.substring(lowerLayerIf.indexOf(":") + 1, lowerLayerIf.lastIndexOf(":")));
 832         } catch (NullPointerException e) {
 833             return null;
 834         }
 835     }
 836
 837     public static String getPortNumberFromLowerLayerIf(String lowerLayerIf) {
 838         try {
 839             return (lowerLayerIf.substring(lowerLayerIf.lastIndexOf(":") + 1));
 840         } catch (NullPointerException e) {
 841             return null;
 842         }
 843     }
 844
 845     public int getIpVersions(Port port) {
 846         int versions = 0;
 847         for (FixedIps fixedIp: port.getFixedIps()) {
 848             if (fixedIp.getIpAddress().getIpv4Address() != null) {
 849                 versions |= (1 << QosConstants.IPV4_ADDR_MASK_BIT);
 850             } else if (fixedIp.getIpAddress().getIpv6Address() != null) {
 851                 versions |= (1 << QosConstants.IPV6_ADDR_MASK_BIT);
 852             }
 853         }
 854         return versions;
 855     }
 856
 857     public boolean hasIpv4Addr(int versions) {
 858         if ((versions & (1 << QosConstants.IPV4_ADDR_MASK_BIT)) != 0) {
 859             return true;
 860         }
 861         return false;
 862     }
 863
 864     public boolean hasIpv6Addr(int versions) {
 865         if ((versions & (1 << QosConstants.IPV6_ADDR_MASK_BIT)) != 0) {
 866             return true;
 867         }
 868         return false;
 869     }
 870 }