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170 lines
5.2 KiB
C
170 lines
5.2 KiB
C
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsRAN.
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*
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* srsRAN is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsRAN is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#ifndef SRSLOG_SRSLOG_C_H
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#define SRSLOG_SRSLOG_C_H
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#ifdef __cplusplus
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#include <cstddef>
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#else
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#include <stddef.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Common types.
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*/
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typedef int srslog_bool;
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typedef struct srslog_opaque_sink srslog_sink;
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typedef struct srslog_opaque_log_channel srslog_log_channel;
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typedef struct srslog_opaque_basic_logger srslog_logger;
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/**
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* This function initializes the logging framework. It must be called before
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* any log entry is generated.
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* NOTE: Calling this function more than once has no side effects.
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*/
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void srslog_init(void);
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/**
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* Installs the specified sink to be used as the default one by new log
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* channels and loggers.
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* The initial default sink writes to stdout.
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*/
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void srslog_set_default_sink(srslog_sink* s);
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/**
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* Returns the instance of the default sink being used.
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*/
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srslog_sink* srslog_get_default_sink(void);
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/**
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* Returns an instance of a log_channel with the specified id that writes to
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* the default sink using the default log channel configuration.
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* NOTE: Any '#' characters in the id will get removed.
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*/
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srslog_log_channel* srslog_fetch_log_channel(const char* id);
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/**
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* Finds a log channel with the specified id string in the repository. On
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* success returns a pointer to the requested log channel, otherwise NULL.
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*/
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srslog_log_channel* srslog_find_log_channel(const char* id);
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/**
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* Controls whether the specified channel accepts incoming log entries.
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*/
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void srslog_set_log_channel_enabled(srslog_log_channel* channel, srslog_bool enabled);
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/**
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* Returns 1 if the specified channel is accepting incoming log entries,
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* otherwise 0.
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*/
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srslog_bool srslog_is_log_channel_enabled(srslog_log_channel* channel);
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/**
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* Returns the id string of the specified channel.
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*/
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const char* srslog_get_log_channel_id(srslog_log_channel* channel);
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/**
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* Logs the provided log entry using the specified log channel. When the channel
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* is disabled the log entry wil be discarded.
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* NOTE: Only printf style formatting is supported when using the C API.
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*/
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void srslog_log(srslog_log_channel* channel, const char* fmt, ...);
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/**
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* Returns an instance of a basic logger (see basic_logger type) with the
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* specified id string. All logger channels will write into the default sink.
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*/
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srslog_logger* srslog_fetch_default_logger(const char* id);
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/**
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* Finds a logger with the specified id string in the repository. On success
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* returns a pointer to the requested log channel, otherwise NULL.
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*/
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srslog_logger* srslog_find_default_logger(const char* id);
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/**
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* These functions log the provided log entry using the specified logger.
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* Entries are automatically discarded depending on the configured level of the
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* logger.
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* NOTE: Only printf style formatting is supported when using the C API.
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*/
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void srslog_debug(srslog_logger* log, const char* fmt, ...);
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void srslog_info(srslog_logger* log, const char* fmt, ...);
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void srslog_warning(srslog_logger* log, const char* fmt, ...);
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void srslog_error(srslog_logger* log, const char* fmt, ...);
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/**
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* Returns the id string of the specified logger.
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*/
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const char* srslog_get_logger_id(srslog_logger* log);
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typedef enum {
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srslog_lvl_none, /**< disable logger */
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srslog_lvl_error, /**< error logging level */
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srslog_lvl_warning, /**< warning logging level */
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srslog_lvl_info, /**< info logging level */
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srslog_lvl_debug /**< debug logging level */
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} srslog_log_levels;
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/**
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* Sets the logging level into the specified logger.
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*/
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void srslog_set_logger_level(srslog_logger* log, srslog_log_levels lvl);
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/**
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* Finds a sink with the specified id string in the repository. On
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* success returns a pointer to the requested sink, otherwise NULL.
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*/
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srslog_sink* srslog_find_sink(const char* id);
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/**
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* Returns an instance of a sink that writes to the stdout stream.
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*/
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srslog_sink* srslog_fetch_stdout_sink(void);
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/**
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* Returns an instance of a sink that writes to the stderr stream.
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*/
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srslog_sink* srslog_fetch_stderr_sink(void);
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/**
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* Returns an instance of a sink that writes into a file in the specified path.
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* Specifying a max_size value different to zero will make the sink create a
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* new file each time the current file exceeds this value. The units of
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* max_size are bytes.
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* Setting force_flush to true will flush the sink after every write.
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* NOTE: Any '#' characters in the id will get removed.
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*/
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srslog_sink* srslog_fetch_file_sink(const char* path, size_t max_size, srslog_bool force_flush);
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#ifdef __cplusplus
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}
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#endif
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#endif
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