bool

       MongoDB, Inc

       2009-present, MongoDB, Inc.

1.30.4                                            Jun 08, 2025MONGOC_STRUCTURED_LOG_...ET_MAX_LEVELS_FROM_ENV(3)

       Returns true on success.  If warnings are encountered in the  environment,  returns  false  and  may  log
       additional  information  to the unstructured logging facility.  Note that, by design, these errors are by
       default non-fatal.  When mongoc_structured_log_opts_new() internally calls this function, it ignores  the
       return value.

       SEEALSO:StructuredLogging

          bool
          mongoc_structured_log_opts_set_max_levels_from_env (mongoc_structured_log_opts_t *opts);

       Sets  any  maximum  log  levels  requested  by environment variables: MONGODB_LOG_ALL for all components,
       followed by per-component log levels MONGODB_LOG_COMMAND,  MONGODB_LOG_CONNECTION,  MONGODB_LOG_TOPOLOGY,
       and MONGODB_LOG_SERVER_SELECTION.

       Expects  the value to be recognizable by mongoc_structured_log_get_named_level().  Parse errors may cause
       a warning message, delivered via unstructured logging.

       Component levels with no valid environment variable setting will be left unmodified.

       This happens automatically when mongoc_structured_log_opts_new() establishes  defaults.   Any  subsequent
       programmatic  modifications  to  the  mongoc_structured_log_opts_t will override the environment variable
       settings.  For applications that desire the opposite behavior, where environment variables  may  override
       programmatic  settings,  they may call mongoc_structured_log_opts_set_max_levels_from_env() after calling
       mongoc_structured_log_opts_set_max_level_for_component()                                              and
       mongoc_structured_log_opts_set_max_level_for_all_components().   This  will  process  the  environment  a
       second time, allowing it to override customized defaults.