projects / lttng-tools.git / blame
| Commit | Line | Data |
|---|---|---|
| ffe60014 | 1 | /* |
| c70636a7 | 2 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| ffe60014 | 3 | * |
| ab5be9fa | 4 | * SPDX-License-Identifier: MIT |
| ffe60014 | 5 | * |
| ffe60014 DG |
6 | */ |
| 7 | ||
| 8 | #ifndef LTTNG_UUID_H | |
| 9 | #define LTTNG_UUID_H | |
| 10 | ||
| c9e313bc | 11 | #include <common/macros.hpp> |
| 28f23191 JG |
12 | |
| 13 | #include <array> | |
| 14 | #include <inttypes.h> | |
| 8cfbd4f4 | 15 | #include <stdbool.h> |
| c70636a7 | 16 | #include <stdint.h> |
| 23083fa0 | 17 | #include <string> |
| bef4c7a1 | 18 | |
| ffe60014 DG |
19 | /* |
| 20 | * Includes final \0. | |
| 21 | */ | |
| 28f23191 JG |
22 | #define LTTNG_UUID_STR_LEN 37 |
| 23 | #define LTTNG_UUID_LEN 16 | |
| 24 | #define LTTNG_UUID_VER 4 | |
| ffe60014 | 25 | |
| 28f23191 JG |
26 | #define LTTNG_UUID_FMT \ |
| 27 | "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 \ | |
| 28 | "%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 "-%02" SCNx8 "%02" SCNx8 "%02" SCNx8 "%02" SCNx8 \ | |
| 29 | "%02" SCNx8 "%02" SCNx8 | |
| 52a0e931 | 30 | |
| 28f23191 JG |
31 | #define LTTNG_UUID_FMT_VALUES(uuid) \ |
| 32 | (uuid)[0], (uuid)[1], (uuid)[2], (uuid)[3], (uuid)[4], (uuid)[5], (uuid)[6], (uuid)[7], \ | |
| 33 | (uuid)[8], (uuid)[9], (uuid)[10], (uuid)[11], (uuid)[12], (uuid)[13], (uuid)[14], \ | |
| 34 | (uuid)[15] | |
| ffe60014 | 35 | |
| 28f23191 JG |
36 | #define LTTNG_UUID_SCAN_VALUES(uuid) \ |
| 37 | &(uuid)[0], &(uuid)[1], &(uuid)[2], &(uuid)[3], &(uuid)[4], &(uuid)[5], &(uuid)[6], \ | |
| 38 | &(uuid)[7], &(uuid)[8], &(uuid)[9], &(uuid)[10], &(uuid)[11], &(uuid)[12], \ | |
| 39 | &(uuid)[13], &(uuid)[14], &(uuid)[15] | |
| ffe60014 | 40 | |
| 328c2fe7 | 41 | using lttng_uuid = std::array<uint8_t, LTTNG_UUID_LEN>; |
| ffe60014 | 42 | |
| 328c2fe7 | 43 | int lttng_uuid_from_str(const char *str_in, lttng_uuid& uuid_out); |
| ffe60014 | 44 | |
| bef4c7a1 JG |
45 | /* |
| 46 | * Convert a UUID to a human-readable, NULL-terminated, string of the form | |
| 47 | * xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx. | |
| 48 | * | |
| c70636a7 | 49 | * Assumes uuid_str is at least LTTNG_UUID_STR_LEN byte long. |
| bef4c7a1 | 50 | */ |
| 328c2fe7 | 51 | void lttng_uuid_to_str(const lttng_uuid& uuid, char *uuid_str); |
| bef4c7a1 | 52 | |
| 23083fa0 JG |
53 | namespace lttng { |
| 54 | namespace utils { | |
| 55 | std::string uuid_to_str(const lttng_uuid& uuid); | |
| 56 | } /* namespace utils */ | |
| 57 | } /* namespace lttng */ | |
| 58 | ||
| 328c2fe7 | 59 | bool lttng_uuid_is_equal(const lttng_uuid& a, const lttng_uuid& b); |
| 8cfbd4f4 | 60 | |
| 328c2fe7 | 61 | bool lttng_uuid_is_nil(const lttng_uuid& uuid); |
| eafef9eb | 62 | |
| c70636a7 MJ |
63 | /* |
| 64 | * Generate a random UUID according to RFC4122, section 4.4. | |
| 65 | */ | |
| 328c2fe7 | 66 | int lttng_uuid_generate(lttng_uuid& uuid_out); |
| c70636a7 | 67 | |
| ffe60014 | 68 | #endif /* LTTNG_UUID_H */ |