Commit | Line | Data |
---|---|---|
a58c490f | 1 | /* |
ab5be9fa | 2 | * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
a58c490f | 3 | * |
ab5be9fa | 4 | * SPDX-License-Identifier: LGPL-2.1-only |
a58c490f | 5 | * |
a58c490f JG |
6 | */ |
7 | ||
2463b787 | 8 | #include <lttng/condition/condition-internal.h> |
a58c490f JG |
9 | #include <lttng/condition/evaluation-internal.h> |
10 | #include <lttng/condition/buffer-usage-internal.h> | |
e8360425 | 11 | #include <lttng/condition/session-consumed-size-internal.h> |
c19092cd | 12 | #include <lttng/condition/session-rotation-internal.h> |
2463b787 | 13 | #include <lttng/condition/event-rule-internal.h> |
a58c490f JG |
14 | #include <common/macros.h> |
15 | #include <common/error.h> | |
16 | #include <stdbool.h> | |
17 | #include <assert.h> | |
18 | ||
c19092cd JG |
19 | LTTNG_HIDDEN |
20 | void lttng_evaluation_init(struct lttng_evaluation *evaluation, | |
21 | enum lttng_condition_type type) | |
22 | { | |
23 | evaluation->type = type; | |
24 | } | |
25 | ||
a58c490f | 26 | LTTNG_HIDDEN |
9b63a4aa | 27 | int lttng_evaluation_serialize(const struct lttng_evaluation *evaluation, |
c0a66c84 | 28 | struct lttng_payload *payload) |
a58c490f | 29 | { |
3647288f | 30 | int ret; |
db315d75 JG |
31 | struct lttng_evaluation_comm evaluation_comm = { |
32 | .type = (int8_t) evaluation->type | |
33 | }; | |
a58c490f | 34 | |
c0a66c84 | 35 | ret = lttng_dynamic_buffer_append(&payload->buffer, &evaluation_comm, |
3647288f JG |
36 | sizeof(evaluation_comm)); |
37 | if (ret) { | |
38 | goto end; | |
a58c490f | 39 | } |
a58c490f JG |
40 | |
41 | if (evaluation->serialize) { | |
c0a66c84 | 42 | ret = evaluation->serialize(evaluation, payload); |
3647288f | 43 | if (ret) { |
a58c490f JG |
44 | goto end; |
45 | } | |
a58c490f | 46 | } |
a58c490f JG |
47 | end: |
48 | return ret; | |
49 | } | |
50 | ||
51 | LTTNG_HIDDEN | |
c0a66c84 | 52 | ssize_t lttng_evaluation_create_from_payload( |
2463b787 | 53 | const struct lttng_condition *condition, |
c0a66c84 | 54 | struct lttng_payload_view *src_view, |
a58c490f JG |
55 | struct lttng_evaluation **evaluation) |
56 | { | |
57 | ssize_t ret, evaluation_size = 0; | |
58 | const struct lttng_evaluation_comm *evaluation_comm; | |
2f571d6f JG |
59 | struct lttng_payload_view evaluation_view = src_view ? |
60 | lttng_payload_view_from_view(src_view, | |
61 | sizeof(*evaluation_comm), -1) : | |
62 | (typeof(evaluation_view)) {}; | |
a58c490f JG |
63 | |
64 | if (!src_view || !evaluation) { | |
65 | ret = -1; | |
66 | goto end; | |
67 | } | |
68 | ||
c0a66c84 | 69 | evaluation_comm = (typeof(evaluation_comm)) src_view->buffer.data; |
a58c490f JG |
70 | evaluation_size += sizeof(*evaluation_comm); |
71 | ||
72 | switch ((enum lttng_condition_type) evaluation_comm->type) { | |
73 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
c0a66c84 | 74 | ret = lttng_evaluation_buffer_usage_low_create_from_payload( |
a58c490f JG |
75 | &evaluation_view, evaluation); |
76 | if (ret < 0) { | |
77 | goto end; | |
78 | } | |
79 | evaluation_size += ret; | |
80 | break; | |
81 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
c0a66c84 | 82 | ret = lttng_evaluation_buffer_usage_high_create_from_payload( |
a58c490f JG |
83 | &evaluation_view, evaluation); |
84 | if (ret < 0) { | |
85 | goto end; | |
86 | } | |
87 | evaluation_size += ret; | |
88 | break; | |
e8360425 | 89 | case LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE: |
c0a66c84 | 90 | ret = lttng_evaluation_session_consumed_size_create_from_payload( |
e8360425 JD |
91 | &evaluation_view, evaluation); |
92 | if (ret < 0) { | |
93 | goto end; | |
94 | } | |
95 | evaluation_size += ret; | |
96 | break; | |
c19092cd | 97 | case LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING: |
c0a66c84 | 98 | ret = lttng_evaluation_session_rotation_ongoing_create_from_payload( |
c19092cd JG |
99 | &evaluation_view, evaluation); |
100 | if (ret < 0) { | |
101 | goto end; | |
102 | } | |
103 | evaluation_size += ret; | |
104 | break; | |
105 | case LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED: | |
c0a66c84 | 106 | ret = lttng_evaluation_session_rotation_completed_create_from_payload( |
c19092cd JG |
107 | &evaluation_view, evaluation); |
108 | if (ret < 0) { | |
109 | goto end; | |
110 | } | |
111 | evaluation_size += ret; | |
112 | break; | |
2463b787 JR |
113 | case LTTNG_CONDITION_TYPE_EVENT_RULE_HIT: |
114 | assert(condition); | |
115 | assert(condition->type == LTTNG_CONDITION_TYPE_EVENT_RULE_HIT); | |
116 | ret = lttng_evaluation_event_rule_create_from_payload( | |
117 | container_of(condition, | |
118 | struct lttng_condition_event_rule, | |
119 | parent), | |
120 | &evaluation_view, evaluation); | |
121 | if (ret < 0) { | |
122 | goto end; | |
123 | } | |
124 | evaluation_size += ret; | |
125 | break; | |
a58c490f JG |
126 | default: |
127 | ERR("Attempted to create evaluation of unknown type (%i)", | |
128 | (int) evaluation_comm->type); | |
129 | ret = -1; | |
130 | goto end; | |
131 | } | |
c0a66c84 | 132 | |
a58c490f JG |
133 | ret = evaluation_size; |
134 | end: | |
135 | return ret; | |
136 | } | |
137 | ||
138 | enum lttng_condition_type lttng_evaluation_get_type( | |
139 | const struct lttng_evaluation *evaluation) | |
140 | { | |
141 | return evaluation ? evaluation->type : LTTNG_CONDITION_TYPE_UNKNOWN; | |
142 | } | |
143 | ||
144 | void lttng_evaluation_destroy(struct lttng_evaluation *evaluation) | |
145 | { | |
146 | if (!evaluation) { | |
147 | return; | |
148 | } | |
149 | ||
150 | assert(evaluation->destroy); | |
151 | evaluation->destroy(evaluation); | |
152 | } |