openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/multilayer/MultiLayerFlowMultipartRequestOnTheFlyCallback.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.multilayer;
  10
  11 import com.google.common.base.Function;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.List;
  15 import java.util.Optional;
  16 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  17 import org.opendaylight.openflowplugin.api.openflow.device.DeviceInfo;
  18 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  19 import org.opendaylight.openflowplugin.api.openflow.registry.flow.DeviceFlowRegistry;
  20 import org.opendaylight.openflowplugin.api.openflow.statistics.ofpspecific.EventIdentifier;
  21 import org.opendaylight.openflowplugin.impl.common.MultipartReplyTranslatorUtil;
  22 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  23 import org.opendaylight.openflowplugin.impl.services.AbstractMultipartRequestOnTheFlyCallback;
  24 import org.opendaylight.openflowplugin.impl.statistics.StatisticsGatheringUtils;
  25 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNode;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  31
  32 public class MultiLayerFlowMultipartRequestOnTheFlyCallback<T extends OfHeader> extends AbstractMultipartRequestOnTheFlyCallback<T> {
  33
  34     private final ConvertorExecutor convertorExecutor;
  35     private final DeviceInfo deviceInfo;
  36     private final DeviceFlowRegistry deviceFlowRegistry;
  37     private boolean virgin = true;
  38
  39     public MultiLayerFlowMultipartRequestOnTheFlyCallback(final RequestContext<List<T>> context,
  40                                                           final Class<?> requestType,
  41                                                           final DeviceContext deviceContext,
  42                                                           final EventIdentifier eventIdentifier,
  43                                                           final MultipartWriterProvider statisticsWriterProvider,
  44                                                           final ConvertorExecutor convertorExecutor) {
  45         super(context, requestType, deviceContext, eventIdentifier, statisticsWriterProvider);
  46         this.convertorExecutor = convertorExecutor;
  47         deviceInfo = deviceContext.getDeviceInfo();
  48         deviceFlowRegistry = deviceContext.getDeviceFlowRegistry();
  49     }
  50
  51     @Override
  52     protected boolean isMultipart(OfHeader result) {
  53         return result instanceof MultipartReply
  54             && MultipartReply.class.cast(result).getType().equals(getMultipartType());
  55     }
  56
  57     @Override
  58     protected boolean isReqMore(T result) {
  59         return MultipartReply.class.cast(result).getFlags().isOFPMPFREQMORE();
  60     }
  61
  62     @Override
  63     protected MultipartType getMultipartType() {
  64         return MultipartType.OFPMPFLOW;
  65     }
  66
  67     @Override
  68     protected void onFinishedCollecting() {
  69         deviceFlowRegistry.processMarks();
  70     }
  71
  72     @Override
  73     protected ListenableFuture<Optional<? extends MultipartReplyBody>> processStatistics(T result) {
  74         final ListenableFuture<Optional<? extends MultipartReplyBody>> future = Futures.transform(
  75             StatisticsGatheringUtils.deleteAllKnownFlows(
  76                 getTxFacade(),
  77                 deviceInfo
  78                     .getNodeInstanceIdentifier()
  79                     .augmentation(FlowCapableNode.class),
  80                 !virgin),
  81             (Function<Void, Optional<? extends MultipartReplyBody>>) input -> MultipartReplyTranslatorUtil
  82                 .translate(result, deviceInfo, convertorExecutor, null));
  83
  84         if (virgin) {
  85             virgin = false;
  86         }
  87
  88         return future;
  89     }
  90
  91 }