log.h File Reference

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Macros
#define	RL_LOG_DEFAULT_FILE   "/var/log/rocketlogger.log"
	Default log file name.
#define	RL_LOG_PATH_LENGTH_MAX   256
	Maximum log file name path length.
#define	RL_LOG_FILE_SIZE_MAX   (1000 * 1000)
	Maximum log file size in bytes.

Typedefs
typedef enum rl_log_level	rl_log_level_t

Enumerations
enum	rl_log_level {   RL_LOG_IGNORE , RL_LOG_ERROR , RL_LOG_WARNING , RL_LOG_INFO ,   RL_LOG_VERBOSE }

Functions
int	rl_log_init (char const *const log_file, rl_log_level_t verbosity)
void	rl_log_verbosity (rl_log_level_t verbosity)
int	rl_log (rl_log_level_t log_level, char const *const format,...)

Macro Definition Documentation

RL_LOG_DEFAULT_FILE

#define RL_LOG_DEFAULT_FILE   "/var/log/rocketlogger.log"

Default log file name.

Copyright (c) 2016-2020, ETH Zurich, Computer Engineering Group All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
• Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition at line 36 of file log.h.

RL_LOG_FILE_SIZE_MAX

#define RL_LOG_FILE_SIZE_MAX   (1000 * 1000)

Maximum log file size in bytes.

Definition at line 42 of file log.h.

RL_LOG_PATH_LENGTH_MAX

#define RL_LOG_PATH_LENGTH_MAX   256

Maximum log file name path length.

Definition at line 39 of file log.h.

Typedef Documentation

rl_log_level_t

typedef enum rl_log_level rl_log_level_t

Typedef for RocketLogger level types

Definition at line 58 of file log.h.

Enumeration Type Documentation

rl_log_level

enum rl_log_level

RocketLogger log level definition

Enumerator
RL_LOG_IGNORE	Ignore log (only for verbosity configuration)
RL_LOG_ERROR	Error.
RL_LOG_WARNING	Warning.
RL_LOG_INFO	Information.
RL_LOG_VERBOSE	Verbose.

Definition at line 47 of file log.h.

Function Documentation

rl_log()

int rl_log	(	rl_log_level_t	log_level,
		char const *const	format,
			...
	)

Write a new log message.

Parameters

log_level	Log level of the message
format	The message format string passed to fprintf()
...	Variables used to format value string

Returns

Returns 0 on success, negative on failure with errno set accordingly

Definition at line 82 of file log.c.

References RL_LOG_ERROR, RL_LOG_IGNORE, RL_LOG_INFO, RL_LOG_VERBOSE, and RL_LOG_WARNING.

Referenced by bme280_get_id(), bme280_init(), bme280_read(), bme280_read_calibration(), bme280_set_parameters(), button_interrupt_handler(), calibration_load(), create_time_stamp(), fs_space_free(), fs_space_total(), gpio_init(), gpio_setup(), gpio_setup_interrupt(), gpio_wait_interrupt(), hw_sample(), main(), main(), pru_init(), pru_sample(), rl_config_read_default(), rl_config_validate(), rl_config_write_default(), rl_file_add_data_block(), rl_is_sampling(), rl_pid_set(), rl_run(), rl_socket_handle_data(), rl_socket_init(), rl_status_pub_init(), rl_status_read(), rl_status_shm_deinit(), rl_status_shm_init(), rl_status_write(), rl_stop(), sem_create(), sem_get(), sem_open(), sem_remove(), sem_set(), sem_wait(), sensors_close_bus(), sensors_open_bus(), sensors_scan(), tsl4531_get_id(), tsl4531_init(), tsl4531_read(), tsl4531_send_range(), tsl4531_set_parameters(), and tsl4531_set_range().

rl_log_init()

int rl_log_init	(	char const *const	log_file,
		rl_log_level_t	verbosity
	)

Initialize the log module.

Note

This function should be called before the first log message is stored.

Parameters

log_file	The filename of the file the log messages are written to
verbosity	Messages with a log level more severe or equal to this level are also printed to the terminal

Returns

Returns 0 on success, negative on failure with errno set accordingly

Definition at line 49 of file log.c.

References RL_LOG_FILE_SIZE_MAX, and rl_log_verbosity().

Referenced by main(), and main().

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rl_log_verbosity()

void rl_log_verbosity

(

rl_log_level_t

verbosity

)

Change the log module's verbosity.

Parameters

verbosity

Messages with log levels more severe or equal to the verbosity level are also printed to the terminal

Definition at line 80 of file log.c.

Referenced by rl_log_init().