[lttng-tools.git] / include / lttng / event-rule / tracepoint-internal.h

/*
 * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
 *
 * SPDX-License-Identifier: LGPL-2.1-only
 *
 */

#ifndef LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H
#define LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H

#include <common/payload-view.h>
#include <common/macros.h>
#include <lttng/domain.h>
#include <lttng/event-rule/event-rule-internal.h>
#include <lttng/event-rule/tracepoint.h>
#include <lttng/event.h>

struct lttng_event_rule_tracepoint {
	struct lttng_event_rule parent;

	/* Domain. */
	enum lttng_domain_type domain;

	/* Name pattern. */
	char *pattern;

	/* Filter. */
	char *filter_expression;

	/* Loglevel. */
	struct {
		enum lttng_loglevel_type type;
		int value;
	} loglevel;

	/* Exclusions. */
	struct lttng_dynamic_pointer_array exclusions;

	/* internal use only. */
	struct {
		char *filter;
		struct lttng_filter_bytecode *bytecode;
	} internal_filter;
};

struct lttng_event_rule_tracepoint_comm {
	/* enum lttng_domain_type. */
	int8_t domain_type;
	/* enum lttng_event_logleven_type. */
	int8_t loglevel_type;
	int32_t loglevel_value;
	/* Includes terminator `\0`. */
	uint32_t pattern_len;
	/* Includes terminator `\0`. */
	uint32_t filter_expression_len;
	uint32_t exclusions_count;
	uint32_t exclusions_len;
	/*
	 * Payload is composed of, in that order:
	 *   - pattern (null terminated),
	 *   - filter expression (null terminated),
	 *   - exclusions (32 bit length + null terminated string).
	 */
	char payload[];
} LTTNG_PACKED;

LTTNG_HIDDEN
ssize_t lttng_event_rule_tracepoint_create_from_payload(
		struct lttng_payload_view *view,
		struct lttng_event_rule **rule);

#endif /* LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H */
Commit	Line	Data
6d420eff JR	1	/*
	2	* Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
	3	*
	4	* SPDX-License-Identifier: LGPL-2.1-only
	5	*
	6	*/
	7
	8	#ifndef LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H
	9	#define LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H
	10
	11	#include <common/payload-view.h>
	12	#include <common/macros.h>
	13	#include <lttng/domain.h>
	14	#include <lttng/event-rule/event-rule-internal.h>
	15	#include <lttng/event-rule/tracepoint.h>
	16	#include <lttng/event.h>
	17
	18	struct lttng_event_rule_tracepoint {
	19	struct lttng_event_rule parent;
	20
	21	/* Domain. */
	22	enum lttng_domain_type domain;
	23
	24	/* Name pattern. */
	25	char *pattern;
	26
	27	/* Filter. */
	28	char *filter_expression;
	29
	30	/* Loglevel. */
	31	struct {
	32	enum lttng_loglevel_type type;
	33	int value;
	34	} loglevel;
	35
	36	/* Exclusions. */
	37	struct lttng_dynamic_pointer_array exclusions;
	38
	39	/* internal use only. */
	40	struct {
	41	char *filter;
	42	struct lttng_filter_bytecode *bytecode;
	43	} internal_filter;
	44	};
	45
	46	struct lttng_event_rule_tracepoint_comm {
	47	/* enum lttng_domain_type. */
	48	int8_t domain_type;
	49	/* enum lttng_event_logleven_type. */
	50	int8_t loglevel_type;
	51	int32_t loglevel_value;
	52	/* Includes terminator `\0`. */
	53	uint32_t pattern_len;
	54	/* Includes terminator `\0`. */
	55	uint32_t filter_expression_len;
	56	uint32_t exclusions_count;
	57	uint32_t exclusions_len;
	58	/*
	59	* Payload is composed of, in that order:
	60	* - pattern (null terminated),
	61	* - filter expression (null terminated),
	62	* - exclusions (32 bit length + null terminated string).
	63	*/
	64	char payload[];
65	} LTTNG_PACKED;
66
67	LTTNG_HIDDEN
68	ssize_t lttng_event_rule_tracepoint_create_from_payload(
69	struct lttng_payload_view *view,
70	struct lttng_event_rule **rule);
71
72	#endif /* LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H */