2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: LGPL-2.1-only
8 #include <lttng/condition/evaluation-internal.h>
9 #include <lttng/condition/buffer-usage-internal.h>
10 #include <lttng/condition/session-consumed-size-internal.h>
11 #include <lttng/condition/session-rotation-internal.h>
12 #include <common/macros.h>
13 #include <common/error.h>
18 void lttng_evaluation_init(struct lttng_evaluation
*evaluation
,
19 enum lttng_condition_type type
)
21 evaluation
->type
= type
;
25 int lttng_evaluation_serialize(const struct lttng_evaluation
*evaluation
,
26 struct lttng_payload
*payload
)
29 struct lttng_evaluation_comm evaluation_comm
= {
30 .type
= (int8_t) evaluation
->type
33 ret
= lttng_dynamic_buffer_append(&payload
->buffer
, &evaluation_comm
,
34 sizeof(evaluation_comm
));
39 if (evaluation
->serialize
) {
40 ret
= evaluation
->serialize(evaluation
, payload
);
50 ssize_t
lttng_evaluation_create_from_payload(
51 struct lttng_payload_view
*src_view
,
52 struct lttng_evaluation
**evaluation
)
54 ssize_t ret
, evaluation_size
= 0;
55 const struct lttng_evaluation_comm
*evaluation_comm
;
56 struct lttng_payload_view evaluation_view
=
57 lttng_payload_view_from_view(
58 src_view
, sizeof(*evaluation_comm
), -1);
60 if (!src_view
|| !evaluation
) {
65 evaluation_comm
= (typeof(evaluation_comm
)) src_view
->buffer
.data
;
66 evaluation_size
+= sizeof(*evaluation_comm
);
68 switch ((enum lttng_condition_type
) evaluation_comm
->type
) {
69 case LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW
:
70 ret
= lttng_evaluation_buffer_usage_low_create_from_payload(
71 &evaluation_view
, evaluation
);
75 evaluation_size
+= ret
;
77 case LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH
:
78 ret
= lttng_evaluation_buffer_usage_high_create_from_payload(
79 &evaluation_view
, evaluation
);
83 evaluation_size
+= ret
;
85 case LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE
:
86 ret
= lttng_evaluation_session_consumed_size_create_from_payload(
87 &evaluation_view
, evaluation
);
91 evaluation_size
+= ret
;
93 case LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING
:
94 ret
= lttng_evaluation_session_rotation_ongoing_create_from_payload(
95 &evaluation_view
, evaluation
);
99 evaluation_size
+= ret
;
101 case LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED
:
102 ret
= lttng_evaluation_session_rotation_completed_create_from_payload(
103 &evaluation_view
, evaluation
);
107 evaluation_size
+= ret
;
110 ERR("Attempted to create evaluation of unknown type (%i)",
111 (int) evaluation_comm
->type
);
116 ret
= evaluation_size
;
121 enum lttng_condition_type
lttng_evaluation_get_type(
122 const struct lttng_evaluation
*evaluation
)
124 return evaluation
? evaluation
->type
: LTTNG_CONDITION_TYPE_UNKNOWN
;
127 void lttng_evaluation_destroy(struct lttng_evaluation
*evaluation
)
133 assert(evaluation
->destroy
);
134 evaluation
->destroy(evaluation
);