2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
3 * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
5 * SPDX-License-Identifier: LGPL-2.1-only
9 #ifndef LTTNG_COMMON_TRACKER_H
10 #define LTTNG_COMMON_TRACKER_H
12 #include <lttng/lttng-error.h>
13 #include <lttng/tracker.h>
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>
20 struct process_attr_value
{
21 enum lttng_process_attr_value_type type
;
31 struct lttng_process_attr_values
{
32 /* Array of struct process_attr_tracker_value. */
33 struct lttng_dynamic_pointer_array array
;
36 const char *lttng_process_attr_to_string(enum lttng_process_attr process_attr
);
38 struct lttng_process_attr_values
*lttng_process_attr_values_create(void);
40 /* Prefixed with '_' since the name conflicts with a public API. */
41 unsigned int _lttng_process_attr_values_get_count(
42 const struct lttng_process_attr_values
*values
);
44 const struct process_attr_value
*lttng_process_attr_tracker_values_get_at_index(
45 const struct lttng_process_attr_values
*values
,
48 int lttng_process_attr_values_serialize(
49 const struct lttng_process_attr_values
*values
,
50 struct lttng_dynamic_buffer
*buffer
);
52 ssize_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
);
58 void lttng_process_attr_values_destroy(
59 struct lttng_process_attr_values
*values
);
61 struct process_attr_value
*process_attr_value_copy(
62 const struct process_attr_value
*value
);
64 unsigned long process_attr_value_hash(const struct process_attr_value
*a
);
66 bool process_attr_tracker_value_equal(const struct process_attr_value
*a
,
67 const struct process_attr_value
*b
);
69 void process_attr_value_destroy(struct process_attr_value
*value
);
71 enum 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
);
79 #endif /* LTTNG_COMMON_TRACKER_H */