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 <common/credentials.h>
13 #include <lttng/domain.h>
14 #include <lttng/event-rule/event-rule.h>
15 #include <lttng/lttng-error.h>
18 #include <sys/types.h>
22 struct lttng_payload_view
;
24 typedef void (*event_rule_destroy_cb
)(struct lttng_event_rule
*event_rule
);
25 typedef bool (*event_rule_validate_cb
)(
26 const struct lttng_event_rule
*event_rule
);
27 typedef int (*event_rule_serialize_cb
)(
28 const struct lttng_event_rule
*event_rule
,
29 struct lttng_payload
*payload
);
30 typedef bool (*event_rule_equal_cb
)(const struct lttng_event_rule
*a
,
31 const struct lttng_event_rule
*b
);
32 typedef ssize_t (*event_rule_create_from_payload_cb
)(
33 struct lttng_payload_view
*view
,
34 struct lttng_event_rule
**event_rule
);
35 typedef enum lttng_error_code (*event_rule_generate_filter_bytecode_cb
)(
36 struct lttng_event_rule
*event_rule
,
37 const struct lttng_credentials
*creds
);
38 typedef const char *(*event_rule_get_filter_cb
)(
39 const struct lttng_event_rule
*event_rule
);
40 typedef const struct lttng_filter_bytecode
*(
41 *event_rule_get_filter_bytecode_cb
)(
42 const struct lttng_event_rule
*event_rule
);
43 typedef struct lttng_event_exclusion
*(*event_rule_generate_exclusions_cb
)(
44 const struct lttng_event_rule
*event_rule
);
45 typedef unsigned long (*event_rule_hash_cb
)(
46 const struct lttng_event_rule
*event_rule
);
48 struct lttng_event_rule
{
50 enum lttng_event_rule_type type
;
51 event_rule_validate_cb validate
;
52 event_rule_serialize_cb serialize
;
53 event_rule_equal_cb equal
;
54 event_rule_destroy_cb destroy
;
55 event_rule_generate_filter_bytecode_cb generate_filter_bytecode
;
56 event_rule_get_filter_cb get_filter
;
57 event_rule_get_filter_bytecode_cb get_filter_bytecode
;
58 event_rule_generate_exclusions_cb generate_exclusions
;
59 event_rule_hash_cb hash
;
62 struct lttng_event_rule_comm
{
63 /* enum lttng_event_rule_type */
64 int8_t event_rule_type
;
69 void lttng_event_rule_init(struct lttng_event_rule
*event_rule
,
70 enum lttng_event_rule_type type
);
73 bool lttng_event_rule_validate(const struct lttng_event_rule
*event_rule
);
76 ssize_t
lttng_event_rule_create_from_payload(
77 struct lttng_payload_view
*payload
,
78 struct lttng_event_rule
**event_rule
);
81 int lttng_event_rule_serialize(const struct lttng_event_rule
*event_rule
,
82 struct lttng_payload
*payload
);
85 bool lttng_event_rule_is_equal(const struct lttng_event_rule
*a
,
86 const struct lttng_event_rule
*b
);
89 bool lttng_event_rule_get(struct lttng_event_rule
*rule
);
92 void lttng_event_rule_put(struct lttng_event_rule
*rule
);
95 enum lttng_domain_type
lttng_event_rule_get_domain_type(
96 const struct lttng_event_rule
*rule
);
99 enum lttng_error_code
lttng_event_rule_generate_filter_bytecode(
100 struct lttng_event_rule
*rule
,
101 const struct lttng_credentials
*creds
);
104 * If not present/implemented returns NULL.
105 * Caller DOES NOT own the returned object.
108 const char *lttng_event_rule_get_filter(const struct lttng_event_rule
*rule
);
111 * If not present/implemented returns NULL.
112 * Caller DOES NOT own the returned object.
115 const struct lttng_filter_bytecode
*lttng_event_rule_get_filter_bytecode(
116 const struct lttng_event_rule
*rule
);
119 * If not present/implemented return NULL.
120 * Caller OWNS the returned object.
123 struct lttng_event_exclusion
*lttng_event_rule_generate_exclusions(
124 const struct lttng_event_rule
*rule
);
127 const char *lttng_event_rule_type_str(enum lttng_event_rule_type type
);
130 unsigned long lttng_event_rule_hash(const struct lttng_event_rule
*rule
);
132 #endif /* LTTNG_EVENT_RULE_INTERNAL_H */