src/plugins/ctf/common/metadata/logging.h

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (c) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   5  */
   6
   7 #ifndef CTF_METADATA_LOGGING_H
   8 #define CTF_METADATA_LOGGING_H
   9
  10 #include <babeltrace2/babeltrace.h>
  11 #include "logging/log.h"
  12
  13 /*
  14  * This global log level is for the generated lexer and parser: we can't
  15  * use a contextual log level for their "tracing", so they rely on this.
  16  */
  17 BT_LOG_LEVEL_EXTERN_SYMBOL(ctf_plugin_metadata_log_level);
  18
  19 /*
  20  * To be used by functions without a context structure to pass all the
  21  * logging configuration at once.
  22  */
  23 struct meta_log_config {
  24         bt_logging_level log_level;
  25
  26         /* Weak, exactly one of these must be set */
  27         bt_self_component *self_comp;
  28         bt_self_component_class *self_comp_class;
  29 };
  30
  31 #define _BT_LOGT_LINENO(_lineno, _msg, args...) \
  32         BT_LOGT("At line %u in metadata stream: " _msg, _lineno, ## args)
  33
  34 #define _BT_LOGW_LINENO(_lineno, _msg, args...) \
  35         BT_LOGW("At line %u in metadata stream: " _msg, _lineno, ## args)
  36
  37 #define _BT_LOGE_APPEND_CAUSE_LINENO(_lineno, _msg, args...) \
  38         do { \
  39                 BT_LOGE("At line %u in metadata stream: " _msg, _lineno, ## args); \
  40                 (void) BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN( \
  41                         "CTF metadata parser", "At line %u in metadata stream: " _msg, _lineno, ## args); \
  42         } while (0)
  43
  44 #define _BT_COMP_LOGT_LINENO(_lineno, _msg, args...) \
  45         BT_COMP_LOGT("At line %u in metadata stream: " _msg, _lineno, ## args)
  46
  47 #define _BT_COMP_LOGW_LINENO(_lineno, _msg, args...) \
  48         BT_COMP_LOGW("At line %u in metadata stream: " _msg, _lineno, ## args)
  49
  50 #define _BT_COMP_LOGE_LINENO(_lineno, _msg, args...) \
  51         BT_COMP_LOGE("At line %u in metadata stream: " _msg, _lineno, ## args)
  52
  53 #define _BT_COMP_LOGE_APPEND_CAUSE_LINENO(_lineno, _msg, args...) \
  54         BT_COMP_LOGE_APPEND_CAUSE(BT_COMP_LOG_SELF_COMP, "At line %u in metadata stream: " _msg, _lineno, ## args)
  55
  56 #define _BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE(_msg, args...) \
  57         BT_COMP_OR_COMP_CLASS_LOGE_APPEND_CAUSE( \
  58                 BT_COMP_LOG_SELF_COMP, \
  59                 BT_COMP_LOG_SELF_COMP_CLASS, \
  60                 _msg, ## args)
  61
  62 #endif /* CTF_METADATA_LOGGING_H */