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.RequestInputUtils;
  21 import org.opendaylight.openflowplugin.impl.statistics.services.compatibility.AbstractCompatibleStatService;
  22 import org.opendaylight.openflowplugin.openflow.md.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
  38 public final class AggregateFlowsInTableService extends AbstractCompatibleStatService<GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput,
  39         GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput, AggregateFlowStatisticsUpdate> {
  40
  41     public AggregateFlowsInTableService(final RequestContextStack requestContextStack, final DeviceContext deviceContext, AtomicLong compatibilityXidSeed) {
  42         super(requestContextStack, deviceContext, compatibilityXidSeed);
  43     }
  44
  45     @Override
  46     protected OfHeader buildRequest(final Xid xid, final GetAggregateFlowStatisticsFromFlowTableForAllFlowsInput input) {
  47         // Create multipart request body for fetch all the group stats
  48         final MultipartRequestAggregateCaseBuilder multipartRequestAggregateCaseBuilder = new MultipartRequestAggregateCaseBuilder();
  49         final MultipartRequestAggregateBuilder mprAggregateRequestBuilder = new MultipartRequestAggregateBuilder();
  50         mprAggregateRequestBuilder.setTableId(input.getTableId().getValue());
  51         mprAggregateRequestBuilder.setOutPort(OFConstants.OFPP_ANY);
  52         mprAggregateRequestBuilder.setOutGroup(OFConstants.OFPG_ANY);
  53         mprAggregateRequestBuilder.setCookie(OFConstants.DEFAULT_COOKIE);
  54         mprAggregateRequestBuilder.setCookieMask(OFConstants.DEFAULT_COOKIE_MASK);
  55         final short version = getVersion();
  56         FlowCreatorUtil.setWildcardedFlowMatch(version, mprAggregateRequestBuilder);
  57
  58         // Set request body to main multipart request
  59         multipartRequestAggregateCaseBuilder.setMultipartRequestAggregate(mprAggregateRequestBuilder
  60                 .build());
  61         final MultipartRequestInputBuilder mprInput = RequestInputUtils.createMultipartHeader(
  62                 MultipartType.OFPMPAGGREGATE, xid.getValue(), version);
  63
  64         mprInput.setMultipartRequestBody(multipartRequestAggregateCaseBuilder.build());
  65
  66         return mprInput.build();
  67     }
  68
  69     @Override
  70     public GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutput buildTxCapableResult(TransactionId emulatedTxId) {
  71         return new GetAggregateFlowStatisticsFromFlowTableForAllFlowsOutputBuilder().setTransactionId(emulatedTxId).build();
  72     }
  73
  74     @Override
  75     public AggregateFlowStatisticsUpdate transformToNotification(List<MultipartReply> result, TransactionId emulatedTxId) {
  76         final int mpSize = result.size();
  77         Preconditions.checkArgument(mpSize == 1, "unexpected (!=1) mp-reply size received: {}", mpSize);
  78
  79         TranslatorLibrary translatorLibrary = getDeviceContext().oook();
  80         MultipartReply mpReply = result.get(0);
  81         final TranslatorKey translatorKey = new TranslatorKey(mpReply.getVersion(), MultipartReplyAggregateCase.class.getName());
  82         final MessageTranslator<MultipartReply, AggregatedFlowStatistics> messageTranslator = translatorLibrary.lookupTranslator(translatorKey);
  83
  84         final AggregatedFlowStatistics flowStatistics = messageTranslator.translate(mpReply, getDeviceContext(), null);
  85         final AggregateFlowStatisticsUpdateBuilder notification = new AggregateFlowStatisticsUpdateBuilder(flowStatistics)
  86                 .setId(getDeviceContext().getDeviceState().getNodeId())
  87                 .setMoreReplies(Boolean.FALSE)
  88                 .setTransactionId(emulatedTxId);
  89
  90         return notification.build();
  91     }
  92 }