projects / lttng-ust.git / blame
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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 | #endif /* __KERNEL__ */ | |
| 30 | ||
| 31 | struct lttng_msgpack_writer { | |
| 32 | uint8_t *buffer; | |
| 33 | uint8_t *write_pos; | |
| 34 | const uint8_t *end_write_pos; | |
| 35 | uint8_t array_nesting; | |
| 36 | uint8_t map_nesting; | |
| 37 | }; | |
| 38 | ||
| 39 | void lttng_msgpack_writer_init( | |
| 40 | struct lttng_msgpack_writer *writer, | |
| 41 | uint8_t *buffer, size_t size); | |
| 42 | ||
| 43 | void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer); | |
| 44 | ||
| 45 | int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer); | |
| 46 | int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer); | |
| 47 | int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer); | |
| 48 | int lttng_msgpack_write_unsigned_integer( | |
| 49 | struct lttng_msgpack_writer *writer, uint64_t value); | |
| 50 | int lttng_msgpack_write_signed_integer( | |
| 51 | struct lttng_msgpack_writer *writer, int64_t value); | |
| 52 | int lttng_msgpack_write_double(struct lttng_msgpack_writer *writer, double value); | |
| 53 | int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer, | |
| 54 | const char *value); | |
| 55 | int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count); | |
| 56 | int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer); | |
| 57 | int lttng_msgpack_begin_array( | |
| 58 | struct lttng_msgpack_writer *writer, size_t count); | |
| 59 | int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer); | |
| 60 | ||
| 61 | #endif /* _LTTNG_UST_MSGPACK_H */ |