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.math.BigInteger;
  12 import java.util.Comparator;
  13 import java.util.List;
  14 import javax.inject.Inject;
  15 import javax.inject.Singleton;
  16
  17 import org.apache.aries.blueprint.annotation.service.Reference;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.genius.infra.Datastore.Configuration;
  20 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  21 import org.opendaylight.genius.interfacemanager.IfmUtil;
  22 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  23 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  24 import org.opendaylight.genius.mdsalutil.NwConstants;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.servicebinding.rev160406.service.bindings.services.info.BoundServices;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 @Singleton
  32 public class FlowBasedEgressServicesStateBindHelper extends AbstractFlowBasedServicesStateBindHelper {
  33
  34     private static final Logger LOG = LoggerFactory.getLogger(FlowBasedEgressServicesStateBindHelper.class);
  35
  36     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  37
  38     @Inject
  39     public FlowBasedEgressServicesStateBindHelper(@Reference final DataBroker dataBroker,
  40             final InterfaceManagerCommonUtils interfaceManagerCommonUtils) {
  41         super(dataBroker);
  42         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  43     }
  44
  45     @Override
  46     public void bindServicesOnInterface(TypedReadWriteTransaction<Configuration> tx, List<BoundServices> allServices,
  47                                         Interface ifState) {
  48         LOG.info("bind all egress services for interface: {}", ifState.getName());
  49         NodeConnectorId nodeConnectorId = FlowBasedServicesUtils.getNodeConnectorIdFromInterface(ifState);
  50         BigInteger dpId = IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId);
  51         allServices.sort(Comparator.comparing(BoundServices::getServicePriority));
  52         BoundServices highestPriority = allServices.remove(0);
  53         short nextServiceIndex = (short) (allServices.size() > 0 ? allServices.get(0).getServicePriority()
  54                 : highestPriority.getServicePriority() + 1);
  55         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
  56                 .ietf.interfaces.rev140508.interfaces.Interface iface = interfaceManagerCommonUtils
  57                 .getInterfaceFromConfigDS(ifState.getName());
  58         FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, highestPriority, ifState.getName(), tx,
  59                 ifState.getIfIndex(), NwConstants.DEFAULT_SERVICE_INDEX, nextServiceIndex, iface);
  60         BoundServices prev = null;
  61         for (BoundServices boundService : allServices) {
  62             if (prev != null) {
  63                 FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), tx,
  64                         ifState.getIfIndex(), prev.getServicePriority(), boundService.getServicePriority(), iface);
  65             }
  66             prev = boundService;
  67         }
  68         if (prev != null) {
  69             FlowBasedServicesUtils.installEgressDispatcherFlows(dpId, prev, ifState.getName(), tx,
  70                     ifState.getIfIndex(), prev.getServicePriority(), (short) (prev.getServicePriority() + 1),
  71                     iface);
  72         }
  73     }
  74
  75     @Override
  76     public void bindServicesOnInterfaceType(List<ListenableFuture<Void>> futures, BigInteger dpnId, String ifaceName) {
  77     }
  78 }