/** Read / write sample data in different formats. * * @file * @author Steffen Vogel * @copyright 2017, Institute for Automation of Complex Power Systems, EONERC * @license GNU General Public License (version 3) * * VILLASnode * * This program 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 3 of the License, or * any later version. * * This program 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 this program. If not, see . *********************************************************************************/ #pragma once #include #include /* Forward declarations */ struct sample; enum sample_io_format { SAMPLE_IO_FORMAT_VILLAS, SAMPLE_IO_FORMAT_JSON, SAMPLE_IO_FORMAT_HDF5, SAMPLE_IO_FORMAT_COMTRADE }; /** These flags define the format which is used by sample_io_fscan() and sample_io_fprint(). */ enum sample_flags { SAMPLE_IO_NANOSECONDS = (1 << 0), SAMPLE_IO_OFFSET = (1 << 1), SAMPLE_IO_SEQUENCE = (1 << 2), SAMPLE_IO_VALUES = (1 << 3), SAMPLE_IO_ALL = 16-1 }; /* Not implemented yet */ #if 0 struct sample_io_handle { enum sample_io_format format; int flags FILE *file; struct list fields; }; int sample_io_init(struct sample_io *io, enum sample_io_format fmt, char *mode, int flags); int sample_io_destroy(struct sample_io *io); int sample_io_open(struct sample_io *io); int sample_io_close(struct sample_io *io); int sample_io_write(struct sample_io *io, struct sample *smps[], size_t cnt); int sample_io_read(struct sample_io *io, struct sample *smps[], size_t cnt); int sample_io_eof(struct sample_io *io); int sample_io_rewind(struct sample_io *io); #endif /* Lowlevel interface */ int sample_io_fprint(FILE *f, struct sample *s, enum sample_io_format fmt, int flags); int sample_io_fscan(FILE *f, struct sample *s, enum sample_io_format fmt, int *flags); /* VILLASnode human readable format */ int sample_io_villas_print(char *buf, size_t len, struct sample *s, int flags); int sample_io_villas_scan(const char *line, struct sample *s, int *fl); int sample_io_villas_fprint(FILE *f, struct sample *s, int flags); int sample_io_villas_fscan(FILE *f, struct sample *s, int *flags);