2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
4 * SPDX-License-Identifier: LGPL-2.1-only
8 #ifndef LTTNG_CONDITION_ON_EVENT_INTERNAL_H
9 #define LTTNG_CONDITION_ON_EVENT_INTERNAL_H
11 #include <lttng/condition/condition-internal.h>
12 #include <common/buffer-view.h>
13 #include <common/macros.h>
14 #include <common/optional.h>
15 #include <lttng/condition/evaluation-internal.h>
16 #include <common/dynamic-array.h>
17 #include <lttng/event-field-value.h>
19 struct lttng_capture_descriptor
{
20 struct lttng_event_expr
*event_expression
;
21 struct lttng_bytecode
*bytecode
;
24 struct lttng_condition_on_event
{
25 struct lttng_condition parent
;
26 struct lttng_event_rule
*rule
;
28 LTTNG_OPTIONAL(uint64_t) error_count
;
31 * Error accounting counter index.
33 LTTNG_OPTIONAL(uint64_t) error_counter_index
;
35 /* Array of `struct lttng_capture_descriptor *`. */
36 struct lttng_dynamic_pointer_array capture_descriptors
;
39 struct lttng_evaluation_on_event
{
40 struct lttng_evaluation parent
;
42 /* MessagePack-encoded captured event field values. */
43 struct lttng_dynamic_buffer capture_payload
;
46 * The content of this array event field value is the decoded
47 * version of `capture_payload` above.
49 * This is a cache: it's not serialized/deserialized in
50 * communications from/to the library and the session daemon.
52 struct lttng_event_field_value
*captured_values
;
56 ssize_t
lttng_condition_on_event_create_from_payload(
57 struct lttng_payload_view
*view
,
58 struct lttng_condition
**condition
);
61 enum lttng_condition_status
62 lttng_condition_on_event_borrow_rule_mutable(
63 const struct lttng_condition
*condition
,
64 struct lttng_event_rule
**rule
);
67 void lttng_condition_on_event_set_error_counter_index(
68 struct lttng_condition
*condition
, uint64_t error_counter_index
);
71 uint64_t lttng_condition_on_event_get_error_counter_index(
72 const struct lttng_condition
*condition
);
75 uint64_t lttng_condition_on_event_get_error_count(
76 const struct lttng_condition
*condition
);
79 void lttng_condition_on_event_set_error_count(struct lttng_condition
*condition
,
80 uint64_t error_count
);
83 struct lttng_evaluation
*lttng_evaluation_on_event_create(
84 const struct lttng_condition_on_event
*condition
,
85 const char *capture_payload
, size_t capture_payload_size
,
86 bool decode_capture_payload
);
89 ssize_t
lttng_evaluation_on_event_create_from_payload(
90 const struct lttng_condition_on_event
*condition
,
91 struct lttng_payload_view
*view
,
92 struct lttng_evaluation
**_evaluation
);
96 lttng_condition_on_event_generate_capture_descriptor_bytecode(
97 struct lttng_condition
*condition
);
100 const struct lttng_bytecode
*
101 lttng_condition_on_event_get_capture_bytecode_at_index(
102 const struct lttng_condition
*condition
, unsigned int index
);
104 #endif /* LTTNG_CONDITION_ON_EVENT_INTERNAL_H */