Commit | Line | Data |
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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 | ||
c9e313bc SM |
8 | #include <lttng/condition/condition-internal.hpp> |
9 | #include <lttng/condition/evaluation-internal.hpp> | |
10 | #include <lttng/condition/buffer-usage-internal.hpp> | |
11 | #include <lttng/condition/session-consumed-size-internal.hpp> | |
12 | #include <lttng/condition/session-rotation-internal.hpp> | |
13 | #include <lttng/condition/event-rule-matches-internal.hpp> | |
14 | #include <common/macros.hpp> | |
15 | #include <common/error.hpp> | |
a58c490f | 16 | #include <stdbool.h> |
a58c490f | 17 | |
c19092cd JG |
18 | void lttng_evaluation_init(struct lttng_evaluation *evaluation, |
19 | enum lttng_condition_type type) | |
20 | { | |
21 | evaluation->type = type; | |
22 | } | |
23 | ||
9b63a4aa | 24 | int lttng_evaluation_serialize(const struct lttng_evaluation *evaluation, |
c0a66c84 | 25 | struct lttng_payload *payload) |
a58c490f | 26 | { |
3647288f | 27 | int ret; |
21a887ac JG |
28 | struct lttng_evaluation_comm evaluation_comm; |
29 | ||
30 | evaluation_comm.type = (int8_t) evaluation->type; | |
a58c490f | 31 | |
c0a66c84 | 32 | ret = lttng_dynamic_buffer_append(&payload->buffer, &evaluation_comm, |
3647288f JG |
33 | sizeof(evaluation_comm)); |
34 | if (ret) { | |
35 | goto end; | |
a58c490f | 36 | } |
a58c490f JG |
37 | |
38 | if (evaluation->serialize) { | |
c0a66c84 | 39 | ret = evaluation->serialize(evaluation, payload); |
3647288f | 40 | if (ret) { |
a58c490f JG |
41 | goto end; |
42 | } | |
a58c490f | 43 | } |
a58c490f JG |
44 | end: |
45 | return ret; | |
46 | } | |
47 | ||
c0a66c84 | 48 | ssize_t lttng_evaluation_create_from_payload( |
7c920b63 | 49 | const struct lttng_condition *condition, |
c0a66c84 | 50 | struct lttng_payload_view *src_view, |
a58c490f JG |
51 | struct lttng_evaluation **evaluation) |
52 | { | |
53 | ssize_t ret, evaluation_size = 0; | |
54 | const struct lttng_evaluation_comm *evaluation_comm; | |
3e6e0df2 JG |
55 | struct lttng_payload_view evaluation_comm_view = |
56 | lttng_payload_view_from_view( | |
57 | src_view, 0, sizeof(*evaluation_comm)); | |
58 | struct lttng_payload_view evaluation_view = | |
2f571d6f | 59 | lttng_payload_view_from_view(src_view, |
3e6e0df2 | 60 | sizeof(*evaluation_comm), -1); |
a58c490f JG |
61 | |
62 | if (!src_view || !evaluation) { | |
63 | ret = -1; | |
64 | goto end; | |
65 | } | |
66 | ||
3e6e0df2 JG |
67 | if (!lttng_payload_view_is_valid(&evaluation_comm_view)) { |
68 | ret = -1; | |
69 | goto end; | |
70 | } | |
71 | ||
72 | evaluation_comm = (typeof(evaluation_comm)) evaluation_comm_view.buffer.data; | |
a58c490f JG |
73 | evaluation_size += sizeof(*evaluation_comm); |
74 | ||
75 | switch ((enum lttng_condition_type) evaluation_comm->type) { | |
76 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW: | |
c0a66c84 | 77 | ret = lttng_evaluation_buffer_usage_low_create_from_payload( |
a58c490f JG |
78 | &evaluation_view, evaluation); |
79 | if (ret < 0) { | |
80 | goto end; | |
81 | } | |
82 | evaluation_size += ret; | |
83 | break; | |
84 | case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH: | |
c0a66c84 | 85 | ret = lttng_evaluation_buffer_usage_high_create_from_payload( |
a58c490f JG |
86 | &evaluation_view, evaluation); |
87 | if (ret < 0) { | |
88 | goto end; | |
89 | } | |
90 | evaluation_size += ret; | |
91 | break; | |
e8360425 | 92 | case LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE: |
c0a66c84 | 93 | ret = lttng_evaluation_session_consumed_size_create_from_payload( |
e8360425 JD |
94 | &evaluation_view, evaluation); |
95 | if (ret < 0) { | |
96 | goto end; | |
97 | } | |
98 | evaluation_size += ret; | |
99 | break; | |
c19092cd | 100 | case LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING: |
c0a66c84 | 101 | ret = lttng_evaluation_session_rotation_ongoing_create_from_payload( |
c19092cd JG |
102 | &evaluation_view, evaluation); |
103 | if (ret < 0) { | |
104 | goto end; | |
105 | } | |
106 | evaluation_size += ret; | |
107 | break; | |
108 | case LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED: | |
c0a66c84 | 109 | ret = lttng_evaluation_session_rotation_completed_create_from_payload( |
c19092cd JG |
110 | &evaluation_view, evaluation); |
111 | if (ret < 0) { | |
112 | goto end; | |
113 | } | |
114 | evaluation_size += ret; | |
115 | break; | |
8dbb86b8 | 116 | case LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES: |
a0377dfe FD |
117 | LTTNG_ASSERT(condition); |
118 | LTTNG_ASSERT(condition->type == | |
8dbb86b8 JR |
119 | LTTNG_CONDITION_TYPE_EVENT_RULE_MATCHES); |
120 | ret = lttng_evaluation_event_rule_matches_create_from_payload( | |
0114db0e JG |
121 | lttng::utils::container_of(condition, |
122 | <tng_condition_event_rule_matches::parent), | |
7c920b63 | 123 | &evaluation_view, evaluation); |
f1446131 JR |
124 | if (ret < 0) { |
125 | goto end; | |
126 | } | |
127 | evaluation_size += ret; | |
128 | break; | |
a58c490f JG |
129 | default: |
130 | ERR("Attempted to create evaluation of unknown type (%i)", | |
131 | (int) evaluation_comm->type); | |
132 | ret = -1; | |
133 | goto end; | |
134 | } | |
c0a66c84 | 135 | |
a58c490f JG |
136 | ret = evaluation_size; |
137 | end: | |
138 | return ret; | |
139 | } | |
140 | ||
141 | enum lttng_condition_type lttng_evaluation_get_type( | |
142 | const struct lttng_evaluation *evaluation) | |
143 | { | |
144 | return evaluation ? evaluation->type : LTTNG_CONDITION_TYPE_UNKNOWN; | |
145 | } | |
146 | ||
147 | void lttng_evaluation_destroy(struct lttng_evaluation *evaluation) | |
148 | { | |
149 | if (!evaluation) { | |
150 | return; | |
151 | } | |
152 | ||
a0377dfe | 153 | LTTNG_ASSERT(evaluation->destroy); |
a58c490f JG |
154 | evaluation->destroy(evaluation); |
155 | } |