Clean-up: sessiond: cmd_enable_channel_internal
[lttng-tools.git] / src / common / tracker.h
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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
20struct 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
31struct lttng_process_attr_values {
32 /* Array of struct process_attr_tracker_value. */
33 struct lttng_dynamic_pointer_array array;
34};
35
36const char *lttng_process_attr_to_string(enum lttng_process_attr process_attr);
37
38struct lttng_process_attr_values *lttng_process_attr_values_create(void);
39
40/* Prefixed with '_' since the name conflicts with a public API. */
41unsigned int _lttng_process_attr_values_get_count(
42 const struct lttng_process_attr_values *values);
43
44const struct process_attr_value *lttng_process_attr_tracker_values_get_at_index(
45 const struct lttng_process_attr_values *values,
46 unsigned int index);
47
48int lttng_process_attr_values_serialize(
49 const struct lttng_process_attr_values *values,
50 struct lttng_dynamic_buffer *buffer);
51
52ssize_t lttng_process_attr_values_create_from_buffer(
53 enum lttng_domain_type domain,
54 enum lttng_process_attr process_attr,
55 const struct lttng_buffer_view *buffer_view,
56 struct lttng_process_attr_values **_values);
57
58void lttng_process_attr_values_destroy(
59 struct lttng_process_attr_values *values);
60
61struct process_attr_value *process_attr_value_copy(
62 const struct process_attr_value *value);
63
64unsigned long process_attr_value_hash(const struct process_attr_value *a);
65
66bool process_attr_tracker_value_equal(const struct process_attr_value *a,
67 const struct process_attr_value *b);
68
69void process_attr_value_destroy(struct process_attr_value *value);
70
71enum lttng_error_code process_attr_value_from_comm(
72 enum lttng_domain_type domain,
73 enum lttng_process_attr process_attr,
74 enum lttng_process_attr_value_type value_type,
75 const struct process_attr_integral_value_comm *integral_value,
76 const struct lttng_buffer_view *value_view,
77 struct process_attr_value **value);
78
79#endif /* LTTNG_COMMON_TRACKER_H */
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