mirror of
https://github.com/OPM/opm-simulators.git
synced 2024-12-25 08:41:00 -06:00
120 lines
4.3 KiB
C++
120 lines
4.3 KiB
C++
/*
|
|
This file is part of the Open Porous Media project (OPM).
|
|
|
|
OPM is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OPM is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OPM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Consult the COPYING file in the top-level source directory of this
|
|
module for the precise wording of the license and the list of
|
|
copyright holders.
|
|
*/
|
|
#ifndef HDF5_FILE_HPP
|
|
#define HDF5_FILE_HPP
|
|
|
|
#include <opm/simulators/utils/ParallelCommunication.hpp>
|
|
|
|
#include <hdf5.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
namespace Opm {
|
|
|
|
//! \brief Class handling simple output to HDF5.
|
|
class HDF5File {
|
|
public:
|
|
//! \brief Enumeration of file opening modes.
|
|
enum class OpenMode {
|
|
APPEND, //!< Append to an existing file (creates new if not)
|
|
OVERWRITE, //!< Overwrite and write to an existing file
|
|
READ //!< Open existing file for reading
|
|
};
|
|
|
|
//! \brief Enumeration of dataset modes.
|
|
enum class DataSetMode {
|
|
ROOT_ONLY, //!< A single dataset created at the root process
|
|
PROCESS_SPLIT //!< One separate data set for each parallel process
|
|
};
|
|
|
|
//! \brief Opens HDF5 file for I/O.
|
|
//! \param fileName Name of file to open
|
|
//! \param mode Open mode for file
|
|
HDF5File(const std::string& fileName,
|
|
OpenMode mode,
|
|
Parallel::Communication comm);
|
|
|
|
//! \brief Destructor clears up any opened files.
|
|
~HDF5File();
|
|
|
|
//! \brief Write a char buffer to a specified location in file.
|
|
//! \param group Group ("directory") to write data to
|
|
//! \param dset Data set ("file") to write data to
|
|
//! \param buffer Data to write
|
|
//! \details Throws exception on failure
|
|
void write(const std::string& group,
|
|
const std::string& dset,
|
|
const std::vector<char>& buffer,
|
|
DataSetMode mode = DataSetMode::PROCESS_SPLIT) const;
|
|
|
|
//! \brief Read a char buffer from a specified location in file.
|
|
//! \param group Group ("directory") to read data from
|
|
//! \param dset Data set ("file") to read data from
|
|
//! \param buffer Vector to store read data in
|
|
//! \details Throws exception on failure
|
|
void read(const std::string& group,
|
|
const std::string& dset,
|
|
std::vector<char>& buffer,
|
|
DataSetMode Mode = DataSetMode::PROCESS_SPLIT) const;
|
|
|
|
//! \brief Lists the entries in a given group.
|
|
//! \details Note: Both datasets and subgroups are returned
|
|
std::vector<std::string> list(const std::string& group) const;
|
|
|
|
private:
|
|
//! \brief Write data from each process to a separate dataset.
|
|
//! \param grp Handle for group to store dataset in
|
|
//! \param buffer Data to write
|
|
//! \param dset Name of dataset
|
|
void writeSplit(hid_t grp,
|
|
const std::vector<char>& buffer,
|
|
const std::string& dset) const;
|
|
|
|
//! \brief Write data from root process only.
|
|
//! \param grp Handle for group to store dataset in
|
|
//! \param buffer Data to write
|
|
//! \param dset Name of dataset
|
|
void writeRootOnly(hid_t grp,
|
|
const std::vector<char>& buffer,
|
|
const std::string& group,
|
|
const std::string& dset) const;
|
|
|
|
//! \brief Return a dataset creation properly list with compression settings.
|
|
//! \param size Size of dataset
|
|
hid_t getCompression(hsize_t size) const;
|
|
|
|
//! \brief Helper function to write a dataset.
|
|
//! \param rank Process rank that should write
|
|
//! \param dataset_id Handle for dataset to write
|
|
//! \param dxpl Dataset transfer property list
|
|
//! \param size Size of dataset
|
|
//! \param data Data to write
|
|
void writeDset(int rank, hid_t dataset_id,
|
|
hid_t dxpl, hsize_t size, const void* data) const;
|
|
hid_t m_file = H5I_INVALID_HID; //!< File handle
|
|
Parallel::Communication comm_;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|