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.SettableFuture;
  14 import java.math.BigInteger;
  15 import java.util.List;
  16 import java.util.concurrent.Future;
  17 import java.util.stream.Collectors;
  18 import org.opendaylight.openflowplugin.api.openflow.device.DeviceContext;
  19 import org.opendaylight.openflowplugin.api.openflow.device.RequestContextStack;
  20 import org.opendaylight.openflowplugin.impl.datastore.MultipartWriterProvider;
  21 import org.opendaylight.openflowplugin.impl.services.AbstractTableMultipartService;
  22 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.ConvertorExecutor;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.transaction.rev150304.TransactionId;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.MultipartReply;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableInput;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutput;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.UpdateTableOutputBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.table.service.rev131026.multipart.reply.multipart.reply.body.MultipartReplyTableFeatures;
  29 import org.opendaylight.yangtools.yang.common.RpcError.ErrorType;
  30 import org.opendaylight.yangtools.yang.common.RpcResult;
  31 import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public class SingleLayerTableMultipartService extends AbstractTableMultipartService<MultipartReply> {
  36
  37     private static final Logger LOG = LoggerFactory.getLogger(SingleLayerTableMultipartService.class);
  38
  39     public SingleLayerTableMultipartService(RequestContextStack requestContextStack,
  40                                             DeviceContext deviceContext,
  41                                             ConvertorExecutor convertorExecutor,
  42                                             MultipartWriterProvider multipartWriterProvider) {
  43         super(requestContextStack, deviceContext, convertorExecutor, multipartWriterProvider);
  44     }
  45
  46     @Override
  47     public Future<RpcResult<UpdateTableOutput>> handleAndReply(UpdateTableInput input) {
  48         final SettableFuture<RpcResult<UpdateTableOutput>> finalFuture = SettableFuture.create();
  49
  50         Futures.addCallback(handleServiceCall(input), new FutureCallback<RpcResult<List<MultipartReply>>>() {
  51             @Override
  52             public void onSuccess(final RpcResult<List<MultipartReply>> result) {
  53                 if (result.isSuccessful()) {
  54                     final List<MultipartReply> multipartReplies = result.getResult();
  55                     if (multipartReplies.isEmpty()) {
  56                         LOG.debug("Multipart reply to table features request shouldn't be empty list.");
  57                         finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
  58                             .withError(ErrorType.RPC, "Multipart reply list is empty.").build());
  59                     } else {
  60                         finalFuture.set(RpcResultBuilder
  61                             .success(new UpdateTableOutputBuilder()
  62                                 .setTransactionId(new TransactionId(BigInteger.valueOf(multipartReplies.get(0).getXid())))
  63                                 .build())
  64                             .build());
  65
  66                         try {
  67                             storeStatistics(multipartReplies
  68                                 .stream()
  69                                 .map(MultipartReply::getMultipartReplyBody)
  70                                 .filter(MultipartReplyTableFeatures.class::isInstance)
  71                                 .flatMap(multipartReplyBody -> MultipartReplyTableFeatures.class
  72                                     .cast(multipartReplyBody)
  73                                     .getTableFeatures()
  74                                     .stream())
  75                                 .collect(Collectors.toList()));
  76                         } catch (Exception e) {
  77                             LOG.warn("Not able to write to operational datastore: {}", e.getMessage());
  78                         }
  79                     }
  80                 } else {
  81                     LOG.debug("OnSuccess, rpc result unsuccessful, multipart response for rpc update-table was unsuccessful.");
  82                     finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed().withRpcErrors(result.getErrors())
  83                         .build());
  84                 }
  85             }
  86
  87             @Override
  88             public void onFailure(Throwable t) {
  89                 LOG.error("Failure multipart response for table features request. Exception: {}", t);
  90                 finalFuture.set(RpcResultBuilder.<UpdateTableOutput>failed()
  91                     .withError(ErrorType.RPC, "Future error", t).build());
  92             }
  93         });
  94
  95         return finalFuture;
  96     }
  97
  98 }