openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/services/OpendaylightFlowTableStatisticsServiceImpl.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.services;
   9
  10 import com.google.common.util.concurrent.JdkFutureAdapters;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import com.google.common.util.concurrent.SettableFuture;
  13 import java.util.concurrent.Future;
  14 import org.opendaylight.openflowplugin.api.openflow.device.RequestContext;
  15 import org.opendaylight.openflowplugin.api.openflow.device.Xid;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsInput;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.GetFlowTablesStatisticsOutput;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.table.statistics.rev131215.OpendaylightFlowTableStatisticsService;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInputBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCaseBuilder;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table._case.MultipartRequestTableBuilder;
  23 import org.opendaylight.yangtools.yang.common.RpcResult;
  24
  25 /**
  26  * @author joe
  27  */
  28 public class OpendaylightFlowTableStatisticsServiceImpl extends CommonService implements
  29         OpendaylightFlowTableStatisticsService {
  30
  31     @Override
  32     public Future<RpcResult<GetFlowTablesStatisticsOutput>> getFlowTablesStatistics(
  33             final GetFlowTablesStatisticsInput input) {
  34         final RequestContext<GetFlowTablesStatisticsOutput> requestContext = rpcContext.createRequestContext();
  35         final SettableFuture<RpcResult<GetFlowTablesStatisticsOutput>> result = rpcContext.storeOrFail(requestContext);
  36
  37         if (!result.isDone()) {
  38
  39             final Xid xid = deviceContext.getNextXid();
  40
  41             // Create multipart request body for fetch all the group stats
  42             final MultipartRequestTableCaseBuilder multipartRequestTableCaseBuilder = new MultipartRequestTableCaseBuilder();
  43             final MultipartRequestTableBuilder multipartRequestTableBuilder = new MultipartRequestTableBuilder();
  44             multipartRequestTableBuilder.setEmpty(true);
  45             multipartRequestTableCaseBuilder.setMultipartRequestTable(multipartRequestTableBuilder.build());
  46
  47             // Set request body to main multipart request
  48             final MultipartRequestInputBuilder mprInput = RequestInputUtils.createMultipartHeader(
  49                     MultipartType.OFPMPFLOW, xid.getValue(), version);
  50
  51             mprInput.setMultipartRequestBody(multipartRequestTableCaseBuilder.build());
  52             final Future<RpcResult<Void>> resultFromOFLib = deviceContext.getPrimaryConnectionContext()
  53                     .getConnectionAdapter().multipartRequest(mprInput.build());
  54
  55             final ListenableFuture<RpcResult<Void>> futureResultFromOfLib = JdkFutureAdapters
  56                     .listenInPoolThread(resultFromOFLib);
  57
  58             RpcResultConvertor<GetFlowTablesStatisticsOutput> rpcResultConvertor = new RpcResultConvertor<>(requestContext, deviceContext);
  59             rpcResultConvertor.processResultFromOfJava(futureResultFromOfLib);
  60
  61         } else {
  62             RequestContextUtil.closeRequstContext(requestContext);
  63         }
  64         return result;
  65     }
  66
  67 }