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159b042f JG |
1 | /* |
2 | * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
3 | * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
4 | * | |
5 | * SPDX-License-Identifier: LGPL-2.1-only | |
6 | * | |
7 | */ | |
8 | ||
9 | #ifndef LTTNG_COMMON_TRACKER_H | |
10 | #define LTTNG_COMMON_TRACKER_H | |
11 | ||
12 | #include <lttng/lttng-error.h> | |
13 | #include <lttng/tracker.h> | |
14 | ||
15 | #include <common/buffer-view.h> | |
16 | #include <common/dynamic-array.h> | |
17 | #include <common/macros.h> | |
18 | #include <common/sessiond-comm/sessiond-comm.h> | |
19 | ||
20 | struct process_attr_value { | |
21 | enum lttng_process_attr_value_type type; | |
22 | union value { | |
23 | pid_t pid; | |
24 | uid_t uid; | |
25 | char *user_name; | |
26 | gid_t gid; | |
27 | char *group_name; | |
28 | } value; | |
29 | }; | |
30 | ||
31 | struct lttng_process_attr_values { | |
32 | /* Array of struct process_attr_tracker_value. */ | |
33 | struct lttng_dynamic_pointer_array array; | |
34 | }; | |
35 | ||
36 | LTTNG_HIDDEN | |
37 | const char *lttng_process_attr_to_string(enum lttng_process_attr process_attr); | |
38 | ||
39 | LTTNG_HIDDEN | |
40 | struct lttng_process_attr_values *lttng_process_attr_values_create(void); | |
41 | ||
42 | /* Prefixed with '_' since the name conflicts with a public API. */ | |
43 | LTTNG_HIDDEN | |
44 | unsigned int _lttng_process_attr_values_get_count( | |
45 | const struct lttng_process_attr_values *values); | |
46 | ||
47 | LTTNG_HIDDEN | |
48 | const struct process_attr_value *lttng_process_attr_tracker_values_get_at_index( | |
49 | const struct lttng_process_attr_values *values, | |
50 | unsigned int index); | |
51 | ||
52 | LTTNG_HIDDEN | |
53 | int lttng_process_attr_values_serialize( | |
54 | const struct lttng_process_attr_values *values, | |
55 | struct lttng_dynamic_buffer *buffer); | |
56 | ||
57 | LTTNG_HIDDEN | |
58 | ssize_t lttng_process_attr_values_create_from_buffer( | |
59 | enum lttng_domain_type domain, | |
60 | enum lttng_process_attr process_attr, | |
61 | const struct lttng_buffer_view *buffer_view, | |
62 | struct lttng_process_attr_values **_values); | |
63 | ||
64 | LTTNG_HIDDEN | |
65 | void lttng_process_attr_values_destroy( | |
66 | struct lttng_process_attr_values *values); | |
67 | ||
68 | LTTNG_HIDDEN | |
69 | struct process_attr_value *process_attr_value_copy( | |
70 | const struct process_attr_value *value); | |
71 | ||
72 | LTTNG_HIDDEN | |
73 | unsigned long process_attr_value_hash(const struct process_attr_value *a); | |
74 | ||
75 | LTTNG_HIDDEN | |
76 | bool process_attr_tracker_value_equal(const struct process_attr_value *a, | |
77 | const struct process_attr_value *b); | |
78 | ||
79 | LTTNG_HIDDEN | |
80 | void process_attr_value_destroy(struct process_attr_value *value); | |
81 | ||
82 | LTTNG_HIDDEN | |
83 | enum lttng_error_code process_attr_value_from_comm( | |
84 | enum lttng_domain_type domain, | |
85 | enum lttng_process_attr process_attr, | |
86 | enum lttng_process_attr_value_type value_type, | |
87 | const struct process_attr_integral_value_comm *integral_value, | |
88 | const struct lttng_buffer_view *value_view, | |
89 | struct process_attr_value **value); | |
90 | ||
91 | #endif /* LTTNG_COMMON_TRACKER_H */ |