openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/dedicated/StatisticsGatheringOnTheFlyService.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
   9 package org.opendaylight.openflowplugin.impl.statistics.services.dedicated;
  10
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import java.util.List;
  13 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  14 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  15 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  16 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.EventIdentifier;
  17 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.StatisticsGatherer;
  18 import org.opendaylight.openflowplugin.impl.common.MultipartRequestInputFactory;
  19 import org.opendaylight.openflowplugin.impl.services.AbstractMultipartOnTheFlyService;
  20 import org.opendaylight.openflowplugin.impl.services.util.ServiceException;
  21 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  22 import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.EventsTimeCounter;
  23 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  26 import org.opendaylight.yangtools.yang.common.RpcResult;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * collects statistics and processes them on the fly
  32  */
  33 public class StatisticsGatheringOnTheFlyService<T extends OfHeader>
  34     extends AbstractMultipartOnTheFlyService<MultipartType, T>
  35     implements StatisticsGatherer<T> {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(StatisticsGatheringOnTheFlyService.class);
  38
  39     public StatisticsGatheringOnTheFlyService(final RequestContextStack requestContextStack,
  40                                               final DeviceContext deviceContext,
  41                                               final ConvertorExecutor convertorExecutor,
  42                                               final MultipartWriterProvider statisticsWriterProvider) {
  43         super(requestContextStack, deviceContext, convertorExecutor, statisticsWriterProvider);
  44     }
  45
  46     @Override
  47     public ListenableFuture<RpcResult<List<T>>> getStatisticsOfType(final EventIdentifier eventIdentifier, final MultipartType type) {
  48         LOG.debug("Getting statistics (onTheFly) for node {} of type {}", getDeviceInfo().getNodeId(), type);
  49         EventsTimeCounter.markStart(eventIdentifier);
  50         setEventIdentifier(eventIdentifier);
  51         return handleServiceCall(type);
  52     }
  53
  54     @Override
  55     protected OfHeader buildRequest(final Xid xid, final MultipartType input) throws ServiceException {
  56         return MultipartRequestInputFactory.makeMultipartRequest(xid.getValue(), getVersion(), input, canUseSingleLayerSerialization());
  57     }
  58
  59 }