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