action-executor: evaluated object credentials are optional
[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 * Internal use only.
34 * The unique token passed to the tracer to identify an event-rule
35 * notification.
36 */
37 LTTNG_OPTIONAL(uint64_t) tracer_token;
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38};
39
40struct lttng_trigger_comm {
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41 /*
42 * Credentials, only the uid portion is used for now.
43 * Used as an override when desired by the root user.
44 */
45 uint64_t uid;
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46 /*
47 * Length of the variable length payload (name, condition, and
48 * an action).
49 */
50 uint32_t length;
51 /* Includes '\0' terminator. */
52 uint32_t name_length;
53 /* A null-terminated name, a condition, and an action follow. */
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54 char payload[];
55} LTTNG_PACKED;
56
57LTTNG_HIDDEN
c0a66c84 58ssize_t lttng_trigger_create_from_payload(struct lttng_payload_view *view,
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59 struct lttng_trigger **trigger);
60
61LTTNG_HIDDEN
3647288f 62int lttng_trigger_serialize(struct lttng_trigger *trigger,
c0a66c84 63 struct lttng_payload *payload);
a58c490f 64
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65LTTNG_HIDDEN
66const struct lttng_condition *lttng_trigger_get_const_condition(
67 const struct lttng_trigger *trigger);
68
69LTTNG_HIDDEN
70const struct lttng_action *lttng_trigger_get_const_action(
71 const struct lttng_trigger *trigger);
72
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73LTTNG_HIDDEN
74bool lttng_trigger_validate(struct lttng_trigger *trigger);
75
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76LTTNG_HIDDEN
77int lttng_trigger_assign_name(
78 struct lttng_trigger *dst, const struct lttng_trigger *src);
79
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80LTTNG_HIDDEN
81void lttng_trigger_set_tracer_token(
82 struct lttng_trigger *trigger, uint64_t token);
83
84LTTNG_HIDDEN
85uint64_t lttng_trigger_get_tracer_token(const struct lttng_trigger *trigger);
86
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87LTTNG_HIDDEN
88int lttng_trigger_generate_name(struct lttng_trigger *trigger,
89 uint64_t unique_id);
90
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91LTTNG_HIDDEN
92bool lttng_trigger_is_equal(
93 const struct lttng_trigger *a, const struct lttng_trigger *b);
94
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95LTTNG_HIDDEN
96void lttng_trigger_get(struct lttng_trigger *trigger);
97
98LTTNG_HIDDEN
99void lttng_trigger_put(struct lttng_trigger *trigger);
100
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101LTTNG_HIDDEN
102const struct lttng_credentials *lttng_trigger_get_credentials(
103 const struct lttng_trigger *trigger);
104
105LTTNG_HIDDEN
64eafdf6 106void lttng_trigger_set_credentials(struct lttng_trigger *trigger,
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107 const struct lttng_credentials *creds);
108
a58c490f 109#endif /* LTTNG_TRIGGER_INTERNAL_H */
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