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f42dcd79 JG |
1 | /* |
2 | * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License, version 2.1 only, | |
6 | * as published by the Free Software Foundation. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
18 | #ifndef LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H | |
19 | #define LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H | |
20 | ||
21 | #include <lttng/condition/buffer-usage.h> | |
22 | #include <lttng/condition/condition-internal.h> | |
e892d3f7 | 23 | #include <lttng/condition/evaluation-internal.h> |
f42dcd79 JG |
24 | #include <lttng/domain.h> |
25 | ||
26 | struct lttng_condition_buffer_usage { | |
27 | struct lttng_condition parent; | |
f42dcd79 JG |
28 | struct { |
29 | bool set; | |
30 | uint64_t value; | |
31 | } threshold_bytes; | |
32 | struct { | |
33 | bool set; | |
34 | double value; | |
3c47cdaf | 35 | } threshold_ratio; |
f42dcd79 JG |
36 | char *session_name; |
37 | char *channel_name; | |
38 | struct { | |
39 | bool set; | |
40 | enum lttng_domain_type type; | |
41 | } domain; | |
42 | }; | |
43 | ||
2a38b722 JG |
44 | struct lttng_condition_buffer_usage_comm { |
45 | uint8_t threshold_set_in_bytes; | |
3c47cdaf JG |
46 | /* |
47 | * Expressed in bytes if "threshold_set_in_bytes" is not 0. | |
48 | * Otherwise, it is expressed a ratio in the interval [0.0, 1.0] | |
49 | * that is mapped to the range on a 64-bit unsigned integer. | |
50 | * The ratio is obtained by (threshold / UINT64_MAX). | |
51 | */ | |
52 | uint64_t threshold; | |
2a38b722 JG |
53 | /* Both lengths include the trailing \0. */ |
54 | uint32_t session_name_len; | |
55 | uint32_t channel_name_len; | |
56 | /* enum lttng_domain_type */ | |
57 | int8_t domain_type; | |
58 | /* session and channel names. */ | |
59 | char names[]; | |
60 | } LTTNG_PACKED; | |
61 | ||
e892d3f7 JG |
62 | struct lttng_evaluation_buffer_usage { |
63 | struct lttng_evaluation parent; | |
64 | uint64_t buffer_use; | |
65 | uint64_t buffer_capacity; | |
66 | }; | |
67 | ||
3c47cdaf JG |
68 | struct lttng_evaluation_buffer_usage_comm { |
69 | uint64_t buffer_use; | |
70 | uint64_t buffer_capacity; | |
71 | } LTTNG_PACKED; | |
72 | ||
e892d3f7 | 73 | LTTNG_HIDDEN |
3c47cdaf JG |
74 | struct lttng_evaluation *lttng_evaluation_buffer_usage_create( |
75 | enum lttng_condition_type type, uint64_t use, | |
e892d3f7 JG |
76 | uint64_t capacity); |
77 | ||
0883d500 JG |
78 | LTTNG_HIDDEN |
79 | ssize_t lttng_condition_buffer_usage_low_create_from_buffer(const char *buf, | |
80 | struct lttng_condition **condition); | |
81 | ||
82 | LTTNG_HIDDEN | |
83 | ssize_t lttng_condition_buffer_usage_high_create_from_buffer(const char *buf, | |
84 | struct lttng_condition **condition); | |
85 | ||
3c47cdaf JG |
86 | LTTNG_HIDDEN |
87 | ssize_t lttng_evaluation_buffer_usage_low_create_from_buffer(const char *buf, | |
88 | struct lttng_evaluation **evaluation); | |
89 | ||
90 | LTTNG_HIDDEN | |
91 | ssize_t lttng_evaluation_buffer_usage_high_create_from_buffer(const char *buf, | |
92 | struct lttng_evaluation **evaluation); | |
93 | ||
94 | ||
95 | ||
f42dcd79 | 96 | #endif /* LTTNG_CONDITION_BUFFER_USAGE_INTERNAL_H */ |