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1 | #ifndef _LTTNG_KERNEL_MSGPACK_H |
2 | #define _LTTNG_KERNEL_MSGPACK_H | |
7ab8c616 FD |
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); | |
7ab8c616 FD |
52 | int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer, |
53 | const char *value); | |
54 | int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count); | |
55 | int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer); | |
56 | int lttng_msgpack_begin_array( | |
57 | struct lttng_msgpack_writer *writer, size_t count); | |
58 | int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer); | |
59 | ||
afa8f7a5 | 60 | #endif /* _LTTNG_KERNEL_MSGPACK_H */ |