-
Notifications
You must be signed in to change notification settings - Fork 496
Expand file tree
/
Copy pathDPLRouter.cxx
More file actions
54 lines (46 loc) · 2.22 KB
/
DPLRouter.cxx
File metadata and controls
54 lines (46 loc) · 2.22 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
/// \file DPLGatherer.cxx
/// \brief Implementation of generic DPL gatherer, v0.1
///
/// \author Gabriele Gaetano Fronzé, gfronze@cern.ch
#include "DPLUtils/Utils.h"
#include "Framework/DataProcessorSpec.h"
#include "Framework/DataRefUtils.h"
#include <vector>
namespace o2f = o2::framework;
namespace o2
{
namespace workflows
{
// This is a possible implementation of a DPL compliant and generic gatherer
o2f::DataProcessorSpec defineRouter(std::string devName, o2f::Inputs usrInput, o2f::Outputs usrOutputs,
std::function<size_t(const o2f::DataRef)> const mappingFunc)
{
return {devName, // Device name from user
o2f::Inputs{usrInput}, // User defined input as a vector of one InputSpec
usrOutputs, // user defined outputs as a vector of OutputSpecs
o2f::AlgorithmSpec{[usrOutputs, mappingFunc](o2f::InitContext&) {
// Creating shared ptrs to useful parameters
auto outputsPtr = getOutputList(usrOutputs);
auto mappingFuncPtr = std::make_shared<std::function<size_t(o2f::DataRef)> const>(mappingFunc);
// Defining the ProcessCallback as returned object of InitCallback
return [outputsPtr, mappingFuncPtr](o2f::ProcessingContext& ctx) {
auto inputMsg = ctx.inputs().getByPos(0);
auto msgSize = o2::framework::DataRefUtils::getPayloadSize(inputMsg);
auto& outputCh = (*outputsPtr)[(*mappingFuncPtr)(inputMsg)];
auto& fwdMsg = ctx.outputs().newChunk(outputCh, msgSize);
std::memcpy(fwdMsg.data(), inputMsg.payload, msgSize);
};
}}};
}
} // namespace workflows
} // namespace o2