action-executor: add trigger name to debugging output
[lttng-tools.git] / include / lttng / trigger / trigger-internal.h
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a58c490f 1/*
ab5be9fa 2 * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
a58c490f 3 *
ab5be9fa 4 * SPDX-License-Identifier: LGPL-2.1-only
a58c490f 5 *
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6 */
7
8#ifndef LTTNG_TRIGGER_INTERNAL_H
9#define LTTNG_TRIGGER_INTERNAL_H
10
11#include <lttng/trigger/trigger.h>
3da864a9 12#include <common/credentials.h>
a58c490f 13#include <common/macros.h>
3da864a9 14#include <common/optional.h>
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15#include <stdint.h>
16#include <stdbool.h>
72756a3f 17#include <sys/types.h>
f01d28b4 18#include <urcu/ref.h>
a58c490f 19
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20struct lttng_payload;
21struct lttng_payload_view;
22
a58c490f 23struct lttng_trigger {
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24 /* Reference counting is only exposed to internal users. */
25 struct urcu_ref ref;
26
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27 struct lttng_condition *condition;
28 struct lttng_action *action;
242388e4 29 char *name;
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30 /* For now only the uid portion of the credentials is used. */
31 struct lttng_credentials creds;
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32};
33
34struct lttng_trigger_comm {
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35 /*
36 * Credentials, only the uid portion is used for now.
37 * Used as an override when desired by the root user.
38 */
39 uint64_t uid;
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40 /*
41 * Length of the variable length payload (name, condition, and
42 * an action).
43 */
44 uint32_t length;
45 /* Includes '\0' terminator. */
46 uint32_t name_length;
47 /* A null-terminated name, a condition, and an action follow. */
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48 char payload[];
49} LTTNG_PACKED;
50
51LTTNG_HIDDEN
c0a66c84 52ssize_t lttng_trigger_create_from_payload(struct lttng_payload_view *view,
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53 struct lttng_trigger **trigger);
54
55LTTNG_HIDDEN
3647288f 56int lttng_trigger_serialize(struct lttng_trigger *trigger,
c0a66c84 57 struct lttng_payload *payload);
a58c490f 58
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59LTTNG_HIDDEN
60const struct lttng_condition *lttng_trigger_get_const_condition(
61 const struct lttng_trigger *trigger);
62
63LTTNG_HIDDEN
64const struct lttng_action *lttng_trigger_get_const_action(
65 const struct lttng_trigger *trigger);
66
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67LTTNG_HIDDEN
68bool lttng_trigger_validate(struct lttng_trigger *trigger);
69
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70LTTNG_HIDDEN
71int lttng_trigger_assign_name(
72 struct lttng_trigger *dst, const struct lttng_trigger *src);
73
74LTTNG_HIDDEN
75int lttng_trigger_generate_name(struct lttng_trigger *trigger,
76 uint64_t unique_id);
77
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78LTTNG_HIDDEN
79bool lttng_trigger_is_equal(
80 const struct lttng_trigger *a, const struct lttng_trigger *b);
81
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82LTTNG_HIDDEN
83void lttng_trigger_get(struct lttng_trigger *trigger);
84
85LTTNG_HIDDEN
86void lttng_trigger_put(struct lttng_trigger *trigger);
87
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88LTTNG_HIDDEN
89const struct lttng_credentials *lttng_trigger_get_credentials(
90 const struct lttng_trigger *trigger);
91
92LTTNG_HIDDEN
64eafdf6 93void lttng_trigger_set_credentials(struct lttng_trigger *trigger,
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94 const struct lttng_credentials *creds);
95
a58c490f 96#endif /* LTTNG_TRIGGER_INTERNAL_H */
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