openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/direct/AbstractGetFlowStatistics.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.openflowplugin.impl.statistics.services.direct;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  12 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  13 import org.opendaylight.openflowplugin.api.openflow.registry.flow.FlowRegistryKey;
  14 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  15 import org.opendaylight.openflowplugin.impl.registry.flow.FlowRegistryKeyFactory;
  16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.GetFlowStatistics;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.GetFlowStatisticsInput;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.direct.statistics.rev160511.GetFlowStatisticsOutput;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowId;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.FlowBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.FlowStatisticsDataBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.and.statistics.map.list.FlowAndStatisticsMapList;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.flow.statistics.FlowStatisticsBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  27 import org.opendaylight.yangtools.yang.common.RpcResult;
  28
  29 /**
  30  * The Flow direct statistics service.
  31  */
  32 public abstract class AbstractGetFlowStatistics<T extends OfHeader>
  33         extends AbstractDirectStatisticsService<GetFlowStatisticsInput, GetFlowStatisticsOutput, T>
  34         implements GetFlowStatistics {
  35     protected AbstractGetFlowStatistics(final RequestContextStack requestContextStack,
  36             final DeviceContext deviceContext, final ConvertorExecutor convertorExecutor,
  37             final MultipartWriterProvider statisticsWriterProvider) {
  38         super(MultipartType.OFPMPFLOW, requestContextStack, deviceContext, convertorExecutor, statisticsWriterProvider);
  39     }
  40
  41     @Override
  42     public final ListenableFuture<RpcResult<GetFlowStatisticsOutput>> invoke(final GetFlowStatisticsInput input) {
  43         return handleAndReply(input);
  44     }
  45
  46     /**
  47      * Get flow ID from #{@link org.opendaylight.openflowplugin.api.openflow.registry.flow.DeviceFlowRegistry} or
  48      * create alien ID.
  49      * @param flowStatistics flow statistics
  50      * @return generated flow ID
  51      */
  52     protected FlowId generateFlowId(final FlowAndStatisticsMapList flowStatistics) {
  53         final FlowStatisticsDataBuilder flowStatisticsDataBld = new FlowStatisticsDataBuilder()
  54                 .setFlowStatistics(new FlowStatisticsBuilder(flowStatistics).build());
  55
  56         final FlowBuilder flowBuilder = new FlowBuilder(flowStatistics)
  57             .withKey(FlowRegistryKeyFactory.DUMMY_FLOW_KEY)
  58             .addAugmentation(flowStatisticsDataBld.build());
  59
  60         final FlowRegistryKey flowRegistryKey = FlowRegistryKeyFactory.create(getVersion(), flowBuilder.build());
  61
  62         getDeviceRegistry().getDeviceFlowRegistry().store(flowRegistryKey);
  63         return getDeviceRegistry().getDeviceFlowRegistry().retrieveDescriptor(flowRegistryKey).getFlowId();
  64     }
  65
  66 }