openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/statistics/services/AggregateFlowsInTableService.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;
   9
  10 import com.google.common.base.Preconditions;
  11 import java.util.List;
  12 import java.util.concurrent.atomic.AtomicLong;
  13 import org.opendaylight.openflowplugin.api.OFConstants;
  14 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.MessageTranslator;
  16 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  17 import org.opendaylight.openflowplugin.api.openflow.device.TranslatorLibrary;
  18 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  19 import org.opendaylight.openflowplugin.api.openflow.md.core.TranslatorKey;
  20 import org.opendaylight.openflowplugin.impl.services.util.RequestInputUtils;
  21 import org.opendaylight.openflowplugin.impl.statistics.services.compatibility.AbstractCompatibleStatService;
  22 import org.opendaylight.openflowplugin.impl.util.FlowCreatorUtil;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsUpdate;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.AggregateFlowStatisticsUpdateBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.statistics.rev130819.get.aggregate.flow.statistics.from.flow.table._for.given.match.output.AggregatedFlowStatistics;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyAggregateCase;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregateBuilder;
  37 import org.opendaylight.yangtools.yang.common.Uint8;
  38
  39 public final class AggregateFlowsInTableService extends
  40         AbstractCompatibleStatService<GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput,
  41                                       GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput,
  42                                       AggregateFlowStatisticsUpdate> {
  43     private final TranslatorLibrary translatorLibrary;
  44
  45     public AggregateFlowsInTableService(final RequestContextStack requestContextStack,
  46                                         final DeviceContext deviceContext,
  47                                         final AtomicLong compatibilityXidSeed) {
  48         super(requestContextStack, deviceContext, compatibilityXidSeed);
  49         translatorLibrary = deviceContext.oook();
  50     }
  51
  52     @Override
  53     protected OfHeader buildRequest(final Xid xid,
  54             final GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput input) {
  55         // Create multipart request body for fetch all the group stats
  56         final MultipartRequestAggregateCaseBuilder multipartRequestAggregateCaseBuilder =
  57                 new MultipartRequestAggregateCaseBuilder();
  58         final MultipartRequestAggregateBuilder mprAggregateRequestBuilder = new MultipartRequestAggregateBuilder();
  59         mprAggregateRequestBuilder.setTableId(input.getTableId().getValue());
  60         mprAggregateRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
  61         mprAggregateRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
  62         mprAggregateRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
  63         mprAggregateRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
  64         final Uint8 version = getVersion();
  65         FlowCreatorUtil.setWildcardedFlowMatch(version, mprAggregateRequestBuilder);
  66
  67         // Set request body to main multipart request
  68         multipartRequestAggregateCaseBuilder.setMultipartRequestAggregate(mprAggregateRequestBuilder
  69                 .build());
  70         final MultipartRequestInputBuilder mprInput = RequestInputUtils.createMultipartHeader(
  71                 MultipartType.OFPMPAGGREGATE, xid.getValue(), version);
  72
  73         mprInput.setMultipartRequestBody(multipartRequestAggregateCaseBuilder.build());
  74
  75         return mprInput.build();
  76     }
  77
  78     @Override
  79     public GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput buildTxCapableResult(
  80             final TransactionId emulatedTxId) {
  81         return new GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder().setTransactionId(emulatedTxId)
  82                 .build();
  83     }
  84
  85     @Override
  86     public AggregateFlowStatisticsUpdate transformToNotification(final List<MultipartReply> result,
  87                                                                  final TransactionId emulatedTxId) {
  88         final int mpSize = result.size();
  89         Preconditions.checkArgument(mpSize == 1, "unexpected (!=1) mp-reply size received: {}", mpSize);
  90
  91         MultipartReply mpReply = result.get(0);
  92         final TranslatorKey translatorKey =
  93                 new TranslatorKey(mpReply.getVersion(), MultipartReplyAggregateCase.class.getName());
  94         final MessageTranslator<MultipartReply, AggregatedFlowStatistics> messageTranslator =
  95                 translatorLibrary.lookupTranslator(translatorKey);
  96
  97         final AggregatedFlowStatistics flowStatistics = messageTranslator.translate(mpReply, getDeviceInfo(), null);
  98         final AggregateFlowStatisticsUpdateBuilder notification =
  99                 new AggregateFlowStatisticsUpdateBuilder(flowStatistics)
 100                 .setId(getDeviceInfo().getNodeId())
 101                 .setMoreReplies(Boolean.FALSE)
 102                 .setTransactionId(emulatedTxId);
 103
 104         return notification.build();
 105     }
 106 }