include/lttng/event-rule/log4j-logging-internal.hpp

   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_LOG4J_LOGGING_INTERNAL_H
   9 #define LTTNG_EVENT_RULE_LOG4J_LOGGING_INTERNAL_H
  10
  11 #include <common/macros.hpp>
  12 #include <common/optional.hpp>
  13 #include <common/payload-view.hpp>
  14
  15 #include <lttng/event-rule/event-rule-internal.hpp>
  16 #include <lttng/event-rule/log4j-logging.h>
  17 #include <lttng/event.h>
  18 #include <lttng/log-level-rule-internal.hpp>
  19
  20 struct lttng_event_rule_log4j_logging {
  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         /* internal use only. */
  33         struct {
  34                 char *filter;
  35                 struct lttng_bytecode *bytecode;
  36         } internal_filter;
  37 };
  38
  39 struct lttng_event_rule_log4j_logging_comm {
  40         /* Includes terminator `\0`. */
  41         uint32_t pattern_len;
  42         /* Includes terminator `\0`. */
  43         uint32_t filter_expression_len;
  44         /*  enum lttng_log_level_rule_comm + payload if any */
  45         uint32_t log_level_rule_len;
  46         /*
  47          * Payload is composed of, in that order:
  48          *   - pattern (null terminated),
  49          *   - filter expression (null terminated),
  50          *   - log level rule serialized object,
  51          */
  52         char payload[];
  53 } LTTNG_PACKED;
  54
  55 ssize_t lttng_event_rule_log4j_logging_create_from_payload(struct lttng_payload_view *view,
  56                                                            struct lttng_event_rule **rule);
  57
  58 #endif /* LTTNG_EVENT_RULE_LOG4J_LOGGING_INTERNAL_H */