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0a23a07d JR |
1 | /* |
2 | * Copyright (C) 2021 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com> | |
3 | * | |
4 | * SPDX-License-Identifier: LGPL-2.1-only | |
5 | * | |
6 | */ | |
7 | ||
8 | #ifndef LTTNG_EVENT_RULE_USER_TRACEPOINT_INTERNAL_H | |
9 | #define LTTNG_EVENT_RULE_USER_TRACEPOINT_INTERNAL_H | |
10 | ||
11 | #include <common/payload-view.h> | |
12 | #include <common/macros.h> | |
13 | #include <common/optional.h> | |
14 | #include <lttng/domain.h> | |
15 | #include <lttng/event-rule/event-rule-internal.h> | |
16 | #include <lttng/event-rule/user-tracepoint.h> | |
17 | #include <lttng/event.h> | |
18 | #include <lttng/log-level-rule-internal.h> | |
19 | ||
20 | struct lttng_event_rule_user_tracepoint { | |
21 | struct lttng_event_rule parent; | |
22 | ||
23 | /* Name pattern. */ | |
24 | char *pattern; | |
25 | ||
26 | /* Filter. */ | |
27 | char *filter_expression; | |
28 | ||
29 | /* Log level. */ | |
30 | struct lttng_log_level_rule *log_level_rule; | |
31 | ||
32 | /* Exclusions. */ | |
33 | struct lttng_dynamic_pointer_array exclusions; | |
34 | ||
35 | /* internal use only. */ | |
36 | struct { | |
37 | char *filter; | |
38 | struct lttng_bytecode *bytecode; | |
39 | } internal_filter; | |
40 | }; | |
41 | ||
42 | struct lttng_event_rule_user_tracepoint_comm { | |
43 | /* Includes terminator `\0`. */ | |
44 | uint32_t pattern_len; | |
45 | /* Includes terminator `\0`. */ | |
46 | uint32_t filter_expression_len; | |
47 | /* enum lttng_log_level_rule_comm + payload if any */ | |
48 | uint32_t log_level_rule_len; | |
49 | uint32_t exclusions_count; | |
50 | uint32_t exclusions_len; | |
51 | /* | |
52 | * Payload is composed of, in that order: | |
53 | * - pattern (null terminated), | |
54 | * - filter expression (null terminated), | |
55 | * - log level rule serialized object, | |
56 | * - exclusions (32 bit length + null terminated string). | |
57 | */ | |
58 | char payload[]; | |
59 | } LTTNG_PACKED; | |
60 | ||
61 | LTTNG_HIDDEN | |
62 | ssize_t lttng_event_rule_user_tracepoint_create_from_payload( | |
63 | struct lttng_payload_view *view, | |
64 | struct lttng_event_rule **rule); | |
65 | ||
66 | #endif /* LTTNG_EVENT_RULE_USER_TRACEPOINT_INTERNAL_H */ |