include/lttng/event-rule/tracepoint-internal.h

   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/buffer-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
  38         struct {
  39                 char **values;
  40                 unsigned int count;
  41         } exclusions;
  42
  43         /* internal use only */
  44         struct {
  45                 char *filter;
  46                 struct lttng_bytecode *bytecode;
  47         } internal_filter;
  48 };
  49
  50 struct lttng_event_rule_tracepoint_comm {
  51         /* enum lttng_domain_type */
  52         int8_t domain_type;
  53         /* enum lttng_event_logleven_type */
  54         int8_t loglevel_type;
  55         int32_t loglevel_value;
  56         uint32_t pattern_len;
  57         uint32_t filter_expression_len;
  58         uint32_t exclusions_count;
  59         uint32_t exclusions_len;
  60         /*
  61          * pattern, filter expression and exclusions each terminating with '\0'
  62          */
  63         char payload[];
  64 } LTTNG_PACKED;
  65
  66 LTTNG_HIDDEN
  67 ssize_t lttng_event_rule_tracepoint_create_from_buffer(
  68                 const struct lttng_buffer_view *view,
  69                 struct lttng_event_rule **rule);
  70
  71 #endif /* LTTNG_EVENT_RULE_TRACEPOINT_INTERNAL_H */