2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
4 * SPDX-License-Identifier: LGPL-2.1-only
8 #ifndef LTTNG_CONDITION_INTERNAL_H
9 #define LTTNG_CONDITION_INTERNAL_H
11 #include <common/macros.hpp>
12 #include <common/payload-view.hpp>
13 #include <common/payload.hpp>
14 #include <lttng/condition/condition.h>
15 #include <lttng/lttng-error.h>
18 #include <sys/types.h>
19 #include <urcu/list.h>
23 struct mi_lttng_error_query_callbacks;
26 using condition_destroy_cb = void (*)(struct lttng_condition *);
27 using condition_validate_cb = bool (*)(const struct lttng_condition *);
28 using condition_serialize_cb = int (*)(const struct lttng_condition *, struct lttng_payload *);
29 using condition_equal_cb = bool (*)(const struct lttng_condition *, const struct lttng_condition *);
30 using condition_create_from_payload_cb = ssize_t (*)(struct lttng_payload_view *,
31 struct lttng_condition **);
32 using condition_mi_serialize_cb = enum lttng_error_code (*)(const struct lttng_condition *,
35 struct lttng_condition {
36 /* Reference counting is only exposed to internal users. */
38 enum lttng_condition_type type;
39 condition_validate_cb validate;
40 condition_serialize_cb serialize;
41 condition_equal_cb equal;
42 condition_destroy_cb destroy;
43 condition_mi_serialize_cb mi_serialize;
46 struct lttng_condition_comm {
47 /* enum lttng_condition_type */
48 int8_t condition_type;
52 void lttng_condition_get(struct lttng_condition *condition);
54 void lttng_condition_put(struct lttng_condition *condition);
56 void lttng_condition_init(struct lttng_condition *condition,
57 enum lttng_condition_type type);
59 bool lttng_condition_validate(const struct lttng_condition *condition);
61 ssize_t lttng_condition_create_from_payload(
62 struct lttng_payload_view *view,
63 struct lttng_condition **condition);
65 int lttng_condition_serialize(const struct lttng_condition *condition,
66 struct lttng_payload *payload);
68 bool lttng_condition_is_equal(const struct lttng_condition *a,
69 const struct lttng_condition *b);
71 enum lttng_error_code lttng_condition_mi_serialize(
72 const struct lttng_trigger *trigger,
73 const struct lttng_condition *condition,
74 struct mi_writer *writer,
75 const struct mi_lttng_error_query_callbacks
76 *error_query_callbacks);
78 const char *lttng_condition_type_str(enum lttng_condition_type type);
80 #endif /* LTTNG_CONDITION_INTERNAL_H */