2 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
4 * SPDX-License-Identifier: LGPL-2.1-only
8 #ifndef LTTNG_EVENT_RULE_INTERNAL_H
9 #define LTTNG_EVENT_RULE_INTERNAL_H
11 #include <common/macros.h>
12 #include <lttng/domain.h>
13 #include <lttng/event-rule/event-rule.h>
14 #include <lttng/lttng-error.h>
17 #include <sys/types.h>
21 struct lttng_payload_view
;
23 typedef void (*event_rule_destroy_cb
)(struct lttng_event_rule
*event_rule
);
24 typedef bool (*event_rule_validate_cb
)(
25 const struct lttng_event_rule
*event_rule
);
26 typedef int (*event_rule_serialize_cb
)(
27 const struct lttng_event_rule
*event_rule
,
28 struct lttng_payload
*payload
);
29 typedef bool (*event_rule_equal_cb
)(const struct lttng_event_rule
*a
,
30 const struct lttng_event_rule
*b
);
31 typedef ssize_t (*event_rule_create_from_payload_cb
)(
32 struct lttng_payload_view
*view
,
33 struct lttng_event_rule
**event_rule
);
34 typedef enum lttng_error_code (*event_rule_generate_filter_bytecode_cb
)(
35 struct lttng_event_rule
*event_rule
, uid_t uid
, gid_t gid
);
36 typedef const char *(*event_rule_get_filter_cb
)(
37 const struct lttng_event_rule
*event_rule
);
38 typedef const struct lttng_filter_bytecode
*(
39 *event_rule_get_filter_bytecode_cb
)(
40 const struct lttng_event_rule
*event_rule
);
41 typedef struct lttng_event_exclusion
*(*event_rule_generate_exclusions_cb
)(
42 const struct lttng_event_rule
*event_rule
);
44 struct lttng_event_rule
{
46 enum lttng_event_rule_type type
;
47 event_rule_validate_cb validate
;
48 event_rule_serialize_cb serialize
;
49 event_rule_equal_cb equal
;
50 event_rule_destroy_cb destroy
;
51 event_rule_generate_filter_bytecode_cb generate_filter_bytecode
;
52 event_rule_get_filter_cb get_filter
;
53 event_rule_get_filter_bytecode_cb get_filter_bytecode
;
54 event_rule_generate_exclusions_cb generate_exclusions
;
57 struct lttng_event_rule_comm
{
58 /* enum lttng_event_rule_type */
59 int8_t event_rule_type
;
64 void lttng_event_rule_init(struct lttng_event_rule
*event_rule
,
65 enum lttng_event_rule_type type
);
68 bool lttng_event_rule_validate(const struct lttng_event_rule
*event_rule
);
71 ssize_t
lttng_event_rule_create_from_payload(
72 struct lttng_payload_view
*payload
,
73 struct lttng_event_rule
**event_rule
);
76 int lttng_event_rule_serialize(const struct lttng_event_rule
*event_rule
,
77 struct lttng_payload
*payload
);
80 bool lttng_event_rule_is_equal(const struct lttng_event_rule
*a
,
81 const struct lttng_event_rule
*b
);
84 bool lttng_event_rule_get(struct lttng_event_rule
*rule
);
87 void lttng_event_rule_put(struct lttng_event_rule
*rule
);
90 enum lttng_domain_type
lttng_event_rule_get_domain_type(
91 const struct lttng_event_rule
*rule
);
94 enum lttng_error_code
lttng_event_rule_generate_filter_bytecode(
95 struct lttng_event_rule
*rule
, uid_t uid
, gid_t gid
);
98 * If not present/implemented returns NULL.
99 * Caller DOES NOT own the returned object.
102 const char *lttng_event_rule_get_filter(const struct lttng_event_rule
*rule
);
105 * If not present/implemented returns NULL.
106 * Caller DOES NOT own the returned object.
109 const struct lttng_filter_bytecode
*lttng_event_rule_get_filter_bytecode(
110 const struct lttng_event_rule
*rule
);
113 * If not present/implemented return NULL.
114 * Caller OWNS the returned object.
117 struct lttng_event_exclusion
*lttng_event_rule_generate_exclusions(
118 const struct lttng_event_rule
*rule
);
121 const char *lttng_event_rule_type_str(enum lttng_event_rule_type type
);
123 #endif /* LTTNG_EVENT_RULE_INTERNAL_H */