openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/singlelayer/SingleLayerAggregateFlowMultipartService.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.openflowplugin.impl.services.singlelayer;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.Futures;
  13 import java.util.concurrent.Future;
  14 import java.util.stream.Collectors;
  15 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  18 import org.opendaylight.openflowplugin.impl.services.AbstractAggregateFlowMultipartService;
  19 import org.opendaylight.openflowplugin.impl.services.util.ServiceException;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutputBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.get.aggregate.flow.statistics.from.flow.table._for.given.match.output.AggregatedFlowStatisticsBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.multipart.reply.multipart.reply.body.MultipartReplyFlowAggregateStats;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.multipart.request.multipart.request.body.MultipartRequestFlowAggregateStatsBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartReply;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartRequestBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  29 import org.opendaylight.yangtools.yang.common.RpcResult;
  30 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  31
  32 public class SingleLayerAggregateFlowMultipartService
  33         extends AbstractAggregateFlowMultipartService<MultipartReply> {
  34
  35     public SingleLayerAggregateFlowMultipartService(final RequestContextStack requestContextStack,
  36                                                     final DeviceContext deviceContext) {
  37         super(requestContextStack, deviceContext);
  38     }
  39
  40     @Override
  41     protected OfHeader buildRequest(final Xid xid,
  42                                     final GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput input)
  43                                     throws ServiceException {
  44         return new MultipartRequestBuilder()
  45                 .setXid(xid.getValue())
  46                 .setVersion(getVersion())
  47                 .setRequestMore(false)
  48                 .setMultipartRequestBody(new MultipartRequestFlowAggregateStatsBuilder(input)
  49                         .build())
  50                 .build();
  51     }
  52
  53     @Override
  54     public Future<RpcResult<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>> handleAndReply(
  55             final GetAggregateFlowStatisticsFromFlowTableForGivenMatchInput input) {
  56         return Futures.transform(handleServiceCall(input), result -> {
  57             if (Preconditions.checkNotNull(result).isSuccessful()) {
  58                 return RpcResultBuilder
  59                         .success(new GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutputBuilder()
  60                                 .setAggregatedFlowStatistics(result
  61                                         .getResult()
  62                                         .stream()
  63                                         .map(MultipartReply::getMultipartReplyBody)
  64                                         .filter(MultipartReplyFlowAggregateStats.class::isInstance)
  65                                         .map(multipartReplyBody ->
  66                                                 new AggregatedFlowStatisticsBuilder(
  67                                                         MultipartReplyFlowAggregateStats.class
  68                                                         .cast(multipartReplyBody))
  69                                                         .build())
  70                                         .collect(Collectors.toList())))
  71                         .build();
  72             }
  73
  74             return RpcResultBuilder
  75                     .<GetAggregateFlowStatisticsFromFlowTableForGivenMatchOutput>failed()
  76                     .withRpcErrors(result.getErrors())
  77                     .build();
  78         });
  79     }
  80 }