[lttng-ust.git] / libmsgpack / msgpack.h

#ifndef _LTTNG_UST_MSGPACK_H
#define _LTTNG_UST_MSGPACK_H

/*
 * msgpack.h
 *
 * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; only
 * version 2.1 of the License.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <stddef.h>
#ifdef __KERNEL__
#include <linux/types.h>
#else /* __KERNEL__ */
#include <stdint.h>
#include "helper.h"
#endif /* __KERNEL__ */

struct lttng_msgpack_writer {
	uint8_t *buffer;
	uint8_t *write_pos;
	const uint8_t *end_write_pos;
	uint8_t array_nesting;
	uint8_t map_nesting;
};

LTTNG_HIDDEN
void lttng_msgpack_writer_init(
		struct lttng_msgpack_writer *writer,
		uint8_t *buffer, size_t size);

LTTNG_HIDDEN
void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer);

LTTNG_HIDDEN
int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer);
LTTNG_HIDDEN
int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer);
LTTNG_HIDDEN
int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer);
LTTNG_HIDDEN
int lttng_msgpack_write_unsigned_integer(
		struct lttng_msgpack_writer *writer, uint64_t value);
LTTNG_HIDDEN
int lttng_msgpack_write_signed_integer(
		struct lttng_msgpack_writer *writer, int64_t value);
LTTNG_HIDDEN
int lttng_msgpack_write_double(struct lttng_msgpack_writer *writer, double value);
LTTNG_HIDDEN
int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer,
		const char *value);
LTTNG_HIDDEN
int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count);
LTTNG_HIDDEN
int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer);
LTTNG_HIDDEN
int lttng_msgpack_begin_array(
		struct lttng_msgpack_writer *writer, size_t count);
LTTNG_HIDDEN
int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer);

#endif /* _LTTNG_UST_MSGPACK_H */
Commit	Line	Data
	1	#ifndef _LTTNG_UST_MSGPACK_H
	2	#define _LTTNG_UST_MSGPACK_H
	3
	4	/*
	5	* msgpack.h
	6	*
	7	* Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
	8	*
	9	* This library is free software; you can redistribute it and/or
	10	* modify it under the terms of the GNU Lesser General Public
	11	* License as published by the Free Software Foundation; only
	12	* version 2.1 of the License.
	13	*
	14	* This library is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	17	* Lesser General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU Lesser General Public
	20	* License along with this library; if not, write to the Free Software
	21	* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
	22	*/
	23
	24	#include <stddef.h>
	25	#ifdef __KERNEL__
	26	#include <linux/types.h>
	27	#else /* __KERNEL__ */
	28	#include <stdint.h>
	29	#include "helper.h"
	30	#endif /* __KERNEL__ */
	31
	32	struct lttng_msgpack_writer {
	33	uint8_t *buffer;
	34	uint8_t *write_pos;
	35	const uint8_t *end_write_pos;
	36	uint8_t array_nesting;
	37	uint8_t map_nesting;
	38	};
	39
	40	LTTNG_HIDDEN
	41	void lttng_msgpack_writer_init(
	42	struct lttng_msgpack_writer *writer,
	43	uint8_t *buffer, size_t size);
	44
	45	LTTNG_HIDDEN
	46	void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer);
	47
	48	LTTNG_HIDDEN
	49	int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer);
	50	LTTNG_HIDDEN
	51	int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer);
	52	LTTNG_HIDDEN
	53	int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer);
	54	LTTNG_HIDDEN
	55	int lttng_msgpack_write_unsigned_integer(
	56	struct lttng_msgpack_writer *writer, uint64_t value);
	57	LTTNG_HIDDEN
	58	int lttng_msgpack_write_signed_integer(
	59	struct lttng_msgpack_writer *writer, int64_t value);
	60	LTTNG_HIDDEN
	61	int lttng_msgpack_write_double(struct lttng_msgpack_writer *writer, double value);
	62	LTTNG_HIDDEN
	63	int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer,
	64	const char *value);
	65	LTTNG_HIDDEN
	66	int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count);
	67	LTTNG_HIDDEN
	68	int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer);
	69	LTTNG_HIDDEN
	70	int lttng_msgpack_begin_array(
	71	struct lttng_msgpack_writer *writer, size_t count);
	72	LTTNG_HIDDEN
	73	int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer);
	74
	75	#endif /* _LTTNG_UST_MSGPACK_H */