openPMD-api
ParallelADIOS1IOHandlerImpl.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 #if openPMD_HAVE_ADIOS1 && openPMD_HAVE_MPI
29 #include "openPMD/IO/ADIOS/CommonADIOS1IOHandler.hpp"
30 #endif
31 
32 #include <future>
33 #include <memory>
34 #include <string>
35 #if openPMD_HAVE_ADIOS1
36 #include <unordered_map>
37 #include <unordered_set>
38 #endif
39 
40 namespace openPMD
41 {
42 #if openPMD_HAVE_ADIOS1 && openPMD_HAVE_MPI
43 class OPENPMDAPI_EXPORT ParallelADIOS1IOHandlerImpl
44  : public CommonADIOS1IOHandlerImpl<ParallelADIOS1IOHandlerImpl>
45 {
46 private:
48 
49 public:
52  virtual ~ParallelADIOS1IOHandlerImpl();
53 
54  virtual void init();
55 
56  std::future<void> flush();
57 
58  virtual int64_t open_write(Writable *);
59  virtual ADIOS_FILE *open_read(std::string const &name);
60  int64_t initialize_group(std::string const &name);
61 
62 protected:
63  MPI_Comm m_mpiComm;
64  MPI_Info m_mpiInfo;
65 }; // ParallelADIOS1IOHandlerImpl
66 #else
67 class OPENPMDAPI_EXPORT ParallelADIOS1IOHandlerImpl
68 {}; // ParallelADIOS1IOHandlerImpl
69 #endif
70 
71 } // namespace openPMD
Extend nlohmann::json with tracing of which keys have been accessed by operator[]().
Definition: JSON_internal.hpp:67
Definition: CommonADIOS1IOHandler.hpp:50
Interface for communicating between logical and physically persistent data.
Definition: AbstractIOHandler.hpp:179
Public definitions of openPMD-api.
Layer to mirror structure of logical data and persistent data in file.
Definition: Writable.hpp:64
Definition: ParallelADIOS1IOHandlerImpl.hpp:43