interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/servicebindings/flowbased/state/helpers/FlowBasedEgressServicesStateBindHelper.java

   1 /*
   2  * Copyright (c) 2016, 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.genius.interfacemanager.servicebindings.flowbased.state.helpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Comparator;
  12 import java.util.List;
  13 import javax.inject.Inject;
  14 import javax.inject.Singleton;
  15 import org.apache.aries.blueprint.annotation.service.Reference;
  16 import org.opendaylight.genius.infra.Datastore.Configuration;
  17 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  18 import org.opendaylight.genius.interfacemanager.IfmUtil;
  19 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  20 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  21 import org.opendaylight.genius.mdsalutil.NwConstants;
  22 import org.opendaylight.mdsal.binding.api.DataBroker;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  26 import org.opendaylight.yangtools.yang.common.Uint64;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 @Singleton
  31 public class FlowBasedEgressServicesStateBindHelper extends AbstractFlowBasedServicesStateBindHelper {
  32
  33     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedEgressServicesStateBindHelper.class);
  34
  35     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  36
  37     @Inject
  38     public FlowBasedEgressServicesStateBindHelper(@Reference final DataBroker dataBroker,
  39             final InterfaceManagerCommonUtils interfaceManagerCommonUtils) {
  40         super(dataBroker);
  41         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  42     }
  43
  44     @Override
  45     public void bindServicesOnInterface(TypedReadWriteTransaction<Configuration> tx, List<BoundServices> allServices,
  46                                         Interface ifState) {
  47         LOG.info("bind all egress services for interface: {}", ifState.getName());
  48         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(ifState);
  49         Uint64 dpId = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId);
  50         allServices.sort(Comparator.comparing(BoundServices::getServicePriority));
  51         BoundServices highestPriority = allServices.remove(0);
  52         short nextServiceIndex = (short) (allServices.size() > 0 ? allServices.get(0).getServicePriority().toJava()
  53                 : highestPriority.getServicePriority().toJava() + 1);
  54         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
  55                 .ietf.interfaces.rev140508.interfaces.Interface iface = interfaceManagerCommonUtils
  56                 .getInterfaceFromConfigDS(ifState.getName());
  57         FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, highestPriority, ifState.getName(), tx,
  58                 ifState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, nextServiceIndex, iface);
  59         BoundServices prev = null;
  60         for (BoundServices boundService : allServices) {
  61             if (prev != null) {
  62                 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), tx,
  63                         ifState.getIfIndex(), prev.getServicePriority().toJava(),
  64                         boundService.getServicePriority().toJava(), iface);
  65             }
  66             prev = boundService;
  67         }
  68         if (prev != null) {
  69             FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), tx,
  70                     ifState.getIfIndex(), prev.getServicePriority().toJava(),
  71                     (short) (prev.getServicePriority().toJava() + 1), iface);
  72         }
  73     }
  74
  75     @Override
  76     public void bindServicesOnInterfaceType(List<ListenableFuture<Void>> futures, Uint64 dpnId, String ifaceName) {
  77         // TODO: No-op?
  78     }
  79 }