openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/singlelayer/SingleLayerTableMultipartService.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.singlelayer;
  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.List;
  18 import java.util.stream.Collectors;
  19 import javax.annotation.Nonnull;
  20 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  21 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  22 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  23 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  24 import org.opendaylight.openflowplugin.impl.services.AbstractTableMultipartService;
  25 import org.opendaylight.openflowplugin.impl.services.util.ServiceException;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartReply;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartRequestBuilder;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.multipart.reply.multipart.reply.body.MultipartReplyTableFeatures;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.types.rev131026.multipart.request.multipart.request.body.MultipartRequestTableFeaturesBuilder;
  35 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  36 import org.opendaylight.yangtools.yang.common.RpcResult;
  37 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  38 import org.slf4j.Logger;
  39 import org.slf4j.LoggerFactory;
  40
  41 public class SingleLayerTableMultipartService extends AbstractTableMultipartService<MultipartReply> {
  42
  43     private static final Logger LOG = LoggerFactory.getLogger(SingleLayerTableMultipartService.class);
  44
  45     public SingleLayerTableMultipartService(RequestContextStack requestContextStack,
  46                                             DeviceContext deviceContext,
  47                                             MultipartWriterProvider multipartWriterProvider) {
  48         super(requestContextStack, deviceContext, multipartWriterProvider);
  49     }
  50
  51
  52     @Override
  53     protected OfHeader buildRequest(final Xid xid, final UpdateTableInput input) throws ServiceException {
  54         return new MultipartRequestBuilder()
  55                 .setXid(xid.getValue())
  56                 .setVersion(getVersion())
  57                 .setRequestMore(false)
  58                 .setMultipartRequestBody(new MultipartRequestTableFeaturesBuilder(input.getUpdatedTable())
  59                         .build())
  60                 .build();
  61     }
  62
  63     @Override
  64     public ListenableFuture<RpcResult<UpdateTableOutput>> handleAndReply(UpdateTableInput input) {
  65         final SettableFuture<RpcResult<UpdateTableOutput>> finalFuture = SettableFuture.create();
  66
  67         Futures.addCallback(handleServiceCall(input), new FutureCallback<RpcResult<List<MultipartReply>>>() {
  68             @Override
  69             @SuppressWarnings("checkstyle:IllegalCatch")
  70             public void onSuccess(@Nonnull final RpcResult<List<MultipartReply>> result) {
  71                 if (result.isSuccessful()) {
  72                     final List<MultipartReply> multipartReplies = result.getResult();
  73                     if (multipartReplies.isEmpty()) {
  74                         LOG.debug("Multipart reply to table features request shouldn't be empty list.");
  75                         finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
  76                             .withError(ErrorType.RPC, "Multipart reply list is empty.").build());
  77                     } else {
  78                         finalFuture.set(RpcResultBuilder
  79                             .success(new UpdateTableOutputBuilder()
  80                                 .setTransactionId(
  81                                         new TransactionId(BigInteger.valueOf(multipartReplies.get(0).getXid())))
  82                                 .build())
  83                             .build());
  84
  85                         try {
  86                             storeStatistics(multipartReplies
  87                                 .stream()
  88                                 .map(MultipartReply::getMultipartReplyBody)
  89                                 .filter(MultipartReplyTableFeatures.class::isInstance)
  90                                 .flatMap(multipartReplyBody -> MultipartReplyTableFeatures.class
  91                                     .cast(multipartReplyBody)
  92                                     .getTableFeatures()
  93                                     .stream())
  94                                 .collect(Collectors.toList()));
  95                         } catch (Exception e) {
  96                             LOG.warn("Not able to write to operational datastore: {}", e.getMessage());
  97                         }
  98                     }
  99                 } else {
 100                     LOG.debug("OnSuccess, rpc result unsuccessful,"
 101                             + " multipart response for rpc update-table was unsuccessful.");
 102                     finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed().withRpcErrors(result.getErrors())
 103                         .build());
 104                 }
 105             }
 106
 107             @Override
 108             public void onFailure(Throwable throwable) {
 109                 LOG.error("Failure multipart response for table features request. Exception: {}", throwable);
 110                 finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
 111                     .withError(ErrorType.RPC, "Future error", throwable).build());
 112             }
 113         }, MoreExecutors.directExecutor());
 114
 115         return finalFuture;
 116     }
 117 }