transcriber/src/main/java/org/opendaylight/neutron/transcriber/NeutronTapFlowInterface.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
   9 package org.opendaylight.neutron.transcriber;
  10
  11 import com.google.common.collect.ImmutableBiMap;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import java.util.List;
  14 import java.util.concurrent.ExecutionException;
  15 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  16 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.neutron.spi.INeutronTapFlowCRUD;
  20 import org.opendaylight.neutron.spi.NeutronTapFlow;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.DirectionBase;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.DirectionBoth;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.DirectionIn;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.DirectionOut;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.TapServiceAttributes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.service.attributes.TapFlows;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.service.attributes.tap.flows.TapFlow;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.service.attributes.tap.flows.TapFlowBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.service.attributes.tap.flows.TapFlowKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.services.attributes.TapServices;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.services.attributes.tap.services.TapService;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.tapaas.rev171024.tap.services.attributes.tap.services.TapServiceKey;
  34 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 public final class NeutronTapFlowInterface
  39         extends AbstractTranscriberInterface<TapFlow, TapFlows, TapFlowKey, NeutronTapFlow, TapServiceAttributes>
  40         implements INeutronTapFlowCRUD {
  41
  42     private static final Logger LOG = LoggerFactory.getLogger(NeutronTapFlowInterface.class);
  43
  44     private static final ImmutableBiMap<Class<? extends DirectionBase>,
  45             String> DIRECTION_MAP = new ImmutableBiMap.Builder<Class<? extends DirectionBase>, String>()
  46                     .put(DirectionOut.class, "OUT")
  47                     .put(DirectionIn.class, "IN")
  48                     .put(DirectionBoth.class, "BOTH").build();
  49
  50     NeutronTapFlowInterface(DataBroker db) {
  51         super(TapFlowBuilder.class, db);
  52     }
  53
  54     protected InstanceIdentifier<TapFlow> createTapFlowInstanceIdentifier(String tapServiceUUID, TapFlow item) {
  55         return InstanceIdentifier.create(Neutron.class)
  56                 .child(TapServices.class)
  57                 .child(TapService.class, new TapServiceKey(toUuid(tapServiceUUID)))
  58                 .child(TapFlows.class).child(TapFlow.class, item.getKey());
  59     }
  60
  61     @Override
  62     protected List<TapFlow> getDataObjectList(TapFlows flows) {
  63         return flows.getTapFlow();
  64     }
  65
  66     @Override
  67     protected NeutronTapFlow fromMd(TapFlow flow) {
  68         final NeutronTapFlow answer = new NeutronTapFlow();
  69         fromMdBaseAttributes(flow, answer);
  70         if (flow.getTapServiceId() != null) {
  71             answer.setTapFlowServiceID(flow.getTapServiceId().getValue());
  72         }
  73         if (flow.getSourcePort() != null) {
  74             answer.setTapFlowSourcePort(flow.getSourcePort().getValue());
  75         }
  76         if (flow.getDirection() != null) {
  77             answer.setTapFlowDirection(DIRECTION_MAP.get(flow.getDirection()));
  78         }
  79
  80         return answer;
  81     }
  82
  83     @Override
  84     protected TapFlow toMd(NeutronTapFlow flow) {
  85         final TapFlowBuilder flowBuilder = new TapFlowBuilder();
  86         toMdBaseAttributes(flow, flowBuilder);
  87         if (flow.getTapFlowServiceID() != null) {
  88             flowBuilder.setTapServiceId(toUuid(flow.getTapFlowServiceID()));
  89         }
  90         if (flow.getTapFlowSourcePort() != null) {
  91             flowBuilder.setSourcePort(toUuid(flow.getTapFlowSourcePort()));
  92         }
  93         if (flow.getTapFlowDirection() != null) {
  94             final ImmutableBiMap<String, Class<? extends DirectionBase>> mapper = DIRECTION_MAP.inverse();
  95             flowBuilder.setDirection(mapper.get(flow.getTapFlowDirection()));
  96         }
  97
  98         return flowBuilder.build();
  99     }
 100
 101     public boolean tapFlowExists(String tapServiceUUID, String tapFlowUUID) {
 102         final TapFlow dataObject = readMd(createTapFlowInstanceIdentifier(tapServiceUUID, toMd(tapFlowUUID)));
 103         return dataObject != null;
 104     }
 105
 106     private boolean tapServiceExists(String tapServiceUUID) {
 107         final TapService tapService = readMd(InstanceIdentifier.create(Neutron.class).child(TapServices.class)
 108                                         .child(TapService.class, new TapServiceKey(toUuid(tapServiceUUID))));
 109         return tapService != null;
 110     }
 111
 112
 113     private boolean updateTapFlowMd(NeutronTapFlow tapFlow) {
 114         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 115         final TapFlow item = toMd(tapFlow);
 116         final InstanceIdentifier<TapFlow> iid = createTapFlowInstanceIdentifier(tapFlow.getTapFlowServiceID(), item);
 117         transaction.put(LogicalDatastoreType.CONFIGURATION, iid, item, true);
 118         final CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 119         try {
 120             future.get();
 121         } catch (InterruptedException | ExecutionException e) {
 122             LOG.warn("Transaction Failed ", e);
 123             return false;
 124         }
 125         return true;
 126     }
 127
 128     private boolean removeTapFlowMd(String tapServiceUUID, String tapFlowUUID) {
 129         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 130         final InstanceIdentifier<TapFlow> iid = createTapFlowInstanceIdentifier(tapServiceUUID, toMd(tapFlowUUID));
 131         transaction.delete(LogicalDatastoreType.CONFIGURATION, iid);
 132         final CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 133         try {
 134             future.get();
 135         } catch (InterruptedException | ExecutionException e) {
 136             LOG.warn("Transation failed ", e);
 137             return false;
 138         }
 139         return true;
 140     }
 141
 142     private boolean addTapFlowMd(NeutronTapFlow tapFlow) {
 143         return updateTapFlowMd(tapFlow);
 144     }
 145
 146     @Override
 147     public boolean updateTapFlow(NeutronTapFlow tapFlow) {
 148         return updateTapFlowMd(tapFlow);
 149     }
 150
 151     @Override
 152     public boolean addTapFlow(NeutronTapFlow tapFlow) {
 153         if (!tapServiceExists(tapFlow.getTapFlowServiceID())) {
 154             return false;
 155         }
 156         if (tapFlowExists(tapFlow.getTapFlowServiceID(), tapFlow.getID())) {
 157             return false;
 158         }
 159         addTapFlowMd(tapFlow);
 160         return true;
 161     }
 162
 163     @Override
 164     public NeutronTapFlow getTapFlow(String tapServiceUUID, String tapFlowUUID) {
 165         final TapFlow tapFlow = readMd(createTapFlowInstanceIdentifier(tapServiceUUID, toMd(tapFlowUUID)));
 166         if (tapFlow == null) {
 167             return null;
 168         }
 169         return fromMd(tapFlow);
 170     }
 171
 172     @Override
 173     public boolean deleteTapFlow(String tapServiceUUID, String tapFlowUUID) {
 174         return removeTapFlowMd(tapServiceUUID, tapFlowUUID);
 175     }
 176 }