openPMD-api
ParallelADIOS1IOHandler.hpp
1 /* Copyright 2017-2021 Fabian Koller
2  *
3  * This file is part of openPMD-api.
4  *
5  * openPMD-api is free software: you can redistribute it and/or modify
6  * it under the terms of of either the GNU General Public License or
7  * the GNU Lesser General Public License as published by
8  * the Free Software Foundation, either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * openPMD-api is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License and the GNU Lesser General Public License
15  * for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * and the GNU Lesser General Public License along with openPMD-api.
19  * If not, see <http://www.gnu.org/licenses/>.
20  */
21 #pragma once
22 
23 #include "openPMD/IO/AbstractIOHandler.hpp"
24 #include "openPMD/auxiliary/Export.hpp"
25 #include "openPMD/auxiliary/JSON_internal.hpp"
26 #include "openPMD/config.hpp"
27 
28 #include <future>
29 #include <memory>
30 #include <string>
31 #if openPMD_HAVE_ADIOS1
32 #include <queue>
33 #endif
34 
35 namespace openPMD
36 {
37 class OPENPMDAPI_EXPORT ParallelADIOS1IOHandlerImpl;
38 
39 class OPENPMDAPI_EXPORT ParallelADIOS1IOHandler : public AbstractIOHandler
40 {
41  friend class ParallelADIOS1IOHandlerImpl;
42 
43 public:
44 #if openPMD_HAVE_MPI
46  std::string path, Access, json::TracingJSON, MPI_Comm);
47 #else
49 #endif
50  ~ParallelADIOS1IOHandler() override;
51 
52  std::string backendName() const override
53  {
54  return "MPI_ADIOS1";
55  }
56 
57  std::future<void> flush(internal::ParsedFlushParams &) override;
58 #if openPMD_HAVE_ADIOS1
59  void enqueue(IOTask const &) override;
60 #endif
61 
62 private:
63 #if openPMD_HAVE_ADIOS1
64  std::queue<IOTask> m_setup;
65 #endif
66  std::unique_ptr<ParallelADIOS1IOHandlerImpl> m_impl;
67 }; // ParallelADIOS1IOHandler
68 
69 } // namespace openPMD
Extend nlohmann::json with tracing of which keys have been accessed by operator[]().
Definition: JSON_internal.hpp:67
Self-contained description of a single IO operation.
Definition: IOTask.hpp:695
Access
File access mode to use during IO.
Definition: Access.hpp:29
Definition: ParallelADIOS1IOHandler.hpp:39
std::string backendName() const override
The currently used backend.
Definition: ParallelADIOS1IOHandler.hpp:52
Interface for communicating between logical and physically persistent data.
Definition: AbstractIOHandler.hpp:179
Public definitions of openPMD-api.
Definition: FlushParametersInternal.hpp:31
Definition: ParallelADIOS1IOHandlerImpl.hpp:43