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/* SPDX-License-Identifier: LGPL-2.1-only
* SPDX-FileCopyrightText: 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
*/
#ifndef _LTTNG_KERNEL_MSGPACK_H
#define _LTTNG_KERNEL_MSGPACK_H
#ifdef __KERNEL__
#include <linux/types.h>
#else /* __KERNEL__ */
#include <stdint.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;
};
void lttng_msgpack_writer_init(
struct lttng_msgpack_writer *writer,
uint8_t *buffer, size_t size);
void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer);
int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer);
int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer);
int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer);
int lttng_msgpack_write_unsigned_integer(
struct lttng_msgpack_writer *writer, uint64_t value);
int lttng_msgpack_write_signed_integer(
struct lttng_msgpack_writer *writer, int64_t value);
int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer,
const char *value);
int lttng_msgpack_write_user_str(struct lttng_msgpack_writer *writer,
const char __user *value);
int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count);
int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer);
int lttng_msgpack_begin_array(
struct lttng_msgpack_writer *writer, size_t count);
int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer);
int lttng_msgpack_save_writer_pos(struct lttng_msgpack_writer *writer, uint8_t **pos);
int lttng_msgpack_restore_writer_pos(struct lttng_msgpack_writer *writer, uint8_t *pos);
#endif /* _LTTNG_KERNEL_MSGPACK_H */
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