openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/multilayer/MultiLayerTableMultipartService.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.util.concurrent.FutureCallback;
  12 import com.google.common.util.concurrent.Futures;
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import com.google.common.util.concurrent.SettableFuture;
  16 import java.math.BigInteger;
  17 import java.util.ArrayList;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import java.util.Optional;
  21 import java.util.concurrent.Future;
  22 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  23 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  24 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  25 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  26 import org.opendaylight.openflowplugin.impl.services.AbstractTableMultipartService;
  27 import org.opendaylight.openflowplugin.impl.services.util.RequestInputUtils;
  28 import org.opendaylight.openflowplugin.impl.services.util.ServiceException;
  29 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  30 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeaturesCaseBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.MultipartRequestTableFeaturesBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.table.features.TableFeatures;
  44 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  45 import org.opendaylight.yangtools.yang.common.RpcResult;
  46 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  47 import org.slf4j.Logger;
  48 import org.slf4j.LoggerFactory;
  49
  50 public class MultiLayerTableMultipartService extends AbstractTableMultipartService<MultipartReply> {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(MultiLayerTableMultipartService.class);
  53     private final VersionConvertorData data;
  54     private final ConvertorExecutor convertorExecutor;
  55
  56     public MultiLayerTableMultipartService(RequestContextStack requestContextStack,
  57                                            DeviceContext deviceContext,
  58                                            ConvertorExecutor convertorExecutor,
  59                                            MultipartWriterProvider multipartWriterProvider) {
  60         super(requestContextStack, deviceContext, multipartWriterProvider);
  61         this.convertorExecutor = convertorExecutor;
  62         data = new VersionConvertorData(getVersion());
  63     }
  64
  65     @Override
  66     protected OfHeader buildRequest(final Xid xid, final UpdateTableInput input) throws ServiceException {
  67         final Optional<List<org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart
  68                 .request.multipart.request.body.multipart.request.table.features._case.multipart.request
  69                 .table.features.TableFeatures>> tableFeatures =
  70                 convertorExecutor.convert(input.getUpdatedTable(), data);
  71
  72         return RequestInputUtils.createMultipartHeader(MultipartType.OFPMPTABLEFEATURES, xid.getValue(), getVersion())
  73                 .setMultipartRequestBody(new MultipartRequestTableFeaturesCaseBuilder()
  74                         .setMultipartRequestTableFeatures(new MultipartRequestTableFeaturesBuilder()
  75                                 .setTableFeatures(tableFeatures
  76                                         .orElseGet(Collections::emptyList))
  77                                 .build())
  78                         .build())
  79                 .build();
  80     }
  81
  82     @Override
  83
  84     public Future<RpcResult<UpdateTableOutput>> handleAndReply(UpdateTableInput input) {
  85         final ListenableFuture<RpcResult<List<MultipartReply>>> multipartFuture = handleServiceCall(input);
  86         final SettableFuture<RpcResult<UpdateTableOutput>> finalFuture = SettableFuture.create();
  87
  88         class CallBackImpl implements FutureCallback<RpcResult<List<MultipartReply>>> {
  89             @Override
  90             @SuppressWarnings("checkstyle:IllegalCatch")
  91             public void onSuccess(final RpcResult<List<MultipartReply>> result) {
  92
  93                 if (result.isSuccessful()) {
  94                     final List<MultipartReply> multipartReplies = result.getResult();
  95                     if (multipartReplies.isEmpty()) {
  96                         LOG.debug("Multipart reply to table features request shouldn't be empty list.");
  97                         finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
  98                             .withError(ErrorType.RPC, "Multipart reply list is empty.").build());
  99                     } else {
 100                         final Long xid = multipartReplies.get(0).getXid();
 101                         LOG.debug(
 102                             "OnSuccess, rpc result successful,"
 103                                     + " multipart response for rpc update-table with xid {} obtained.",
 104                             xid);
 105                         final UpdateTableOutputBuilder updateTableOutputBuilder = new UpdateTableOutputBuilder();
 106                         updateTableOutputBuilder.setTransactionId(new TransactionId(BigInteger.valueOf(xid)));
 107                         finalFuture.set(RpcResultBuilder.success(updateTableOutputBuilder.build()).build());
 108                         try {
 109                             storeStatistics(convertToSalTableFeatures(multipartReplies));
 110                         } catch (Exception e) {
 111                             LOG.warn("Not able to write to operational datastore: {}", e.getMessage());
 112                         }
 113                     }
 114                 } else {
 115                     LOG.debug("OnSuccess, rpc result unsuccessful,"
 116                             + " multipart response for rpc update-table was unsuccessful.");
 117                     finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed().withRpcErrors(result.getErrors())
 118                         .build());
 119                 }
 120             }
 121
 122             @Override
 123             public void onFailure(final Throwable throwable) {
 124                 LOG.error("Failure multipart response for table features request. Exception: {}", throwable);
 125                 finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
 126                     .withError(ErrorType.RPC, "Future error", throwable).build());
 127             }
 128         }
 129
 130         Futures.addCallback(multipartFuture, new CallBackImpl(), MoreExecutors.directExecutor());
 131
 132         return finalFuture;
 133     }
 134
 135     protected List<org.opendaylight.yang.gen.v1.urn
 136             .opendaylight.table.types.rev131026.table.features.TableFeatures> convertToSalTableFeatures(
 137             final List<MultipartReply> multipartReplies) {
 138         final List<org.opendaylight.yang.gen.v1.urn
 139                 .opendaylight.table.types.rev131026.table.features.TableFeatures> salTableFeaturesAll =
 140                 new ArrayList<>();
 141         for (final MultipartReply multipartReply : multipartReplies) {
 142             if (multipartReply.getType().equals(MultipartType.OFPMPTABLEFEATURES)) {
 143                 final MultipartReplyBody multipartReplyBody = multipartReply.getMultipartReplyBody();
 144                 if (multipartReplyBody instanceof MultipartReplyTableFeaturesCase) {
 145                     final MultipartReplyTableFeaturesCase tableFeaturesCase =
 146                             ((MultipartReplyTableFeaturesCase) multipartReplyBody);
 147                     final MultipartReplyTableFeatures salTableFeatures = tableFeaturesCase
 148                             .getMultipartReplyTableFeatures();
 149
 150                     final Optional<List<TableFeatures>> salTableFeaturesPartial =
 151                             convertorExecutor.convert(salTableFeatures, data);
 152
 153                     salTableFeaturesPartial.ifPresent(salTableFeaturesAll::addAll);
 154
 155                     LOG.debug("TableFeature {} for xid {}.", salTableFeatures, multipartReply.getXid());
 156                 }
 157             }
 158         }
 159
 160         return salTableFeaturesAll;
 161     }
 162 }