| | 1 | /* |
| | 2 | * SPDX-License-Identifier: LGPL-2.1-only |
| | 3 | * |
| | 4 | * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com> |
| | 5 | */ |
| | 6 | |
| | 7 | #ifndef _LTTNG_UST_MSGPACK_H |
| | 8 | #define _LTTNG_UST_MSGPACK_H |
| | 9 | |
| | 10 | #include <stddef.h> |
| | 11 | #ifdef __KERNEL__ |
| | 12 | #include <linux/types.h> |
| | 13 | #else /* __KERNEL__ */ |
| | 14 | #include <stdint.h> |
| | 15 | #endif /* __KERNEL__ */ |
| | 16 | |
| | 17 | struct lttng_msgpack_writer { |
| | 18 | uint8_t *buffer; |
| | 19 | uint8_t *write_pos; |
| | 20 | const uint8_t *end_write_pos; |
| | 21 | uint8_t array_nesting; |
| | 22 | uint8_t map_nesting; |
| | 23 | }; |
| | 24 | |
| | 25 | void lttng_msgpack_writer_init( |
| | 26 | struct lttng_msgpack_writer *writer, |
| | 27 | uint8_t *buffer, size_t size) |
| | 28 | __attribute__((visibility("hidden"))); |
| | 29 | |
| | 30 | void lttng_msgpack_writer_fini(struct lttng_msgpack_writer *writer) |
| | 31 | __attribute__((visibility("hidden"))); |
| | 32 | |
| | 33 | int lttng_msgpack_write_nil(struct lttng_msgpack_writer *writer) |
| | 34 | __attribute__((visibility("hidden"))); |
| | 35 | |
| | 36 | int lttng_msgpack_write_true(struct lttng_msgpack_writer *writer) |
| | 37 | __attribute__((visibility("hidden"))); |
| | 38 | |
| | 39 | int lttng_msgpack_write_false(struct lttng_msgpack_writer *writer) |
| | 40 | __attribute__((visibility("hidden"))); |
| | 41 | |
| | 42 | int lttng_msgpack_write_unsigned_integer( |
| | 43 | struct lttng_msgpack_writer *writer, uint64_t value) |
| | 44 | __attribute__((visibility("hidden"))); |
| | 45 | |
| | 46 | int lttng_msgpack_write_signed_integer( |
| | 47 | struct lttng_msgpack_writer *writer, int64_t value) |
| | 48 | __attribute__((visibility("hidden"))); |
| | 49 | |
| | 50 | int lttng_msgpack_write_double(struct lttng_msgpack_writer *writer, double value) |
| | 51 | __attribute__((visibility("hidden"))); |
| | 52 | |
| | 53 | int lttng_msgpack_write_str(struct lttng_msgpack_writer *writer, |
| | 54 | const char *value) |
| | 55 | __attribute__((visibility("hidden"))); |
| | 56 | |
| | 57 | int lttng_msgpack_begin_map(struct lttng_msgpack_writer *writer, size_t count) |
| | 58 | __attribute__((visibility("hidden"))); |
| | 59 | |
| | 60 | int lttng_msgpack_end_map(struct lttng_msgpack_writer *writer) |
| | 61 | __attribute__((visibility("hidden"))); |
| | 62 | |
| | 63 | int lttng_msgpack_begin_array( |
| | 64 | struct lttng_msgpack_writer *writer, size_t count) |
| | 65 | __attribute__((visibility("hidden"))); |
| | 66 | |
| | 67 | int lttng_msgpack_end_array(struct lttng_msgpack_writer *writer) |
| | 68 | __attribute__((visibility("hidden"))); |
| | 69 | |
| | 70 | #endif /* _LTTNG_UST_MSGPACK_H */ |
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