freeswitch/libs/unimrcp/libs/apr-toolkit/include/apt_log.h

171 lines
5.3 KiB
C

/*
* Copyright 2008 Arsen Chaloyan
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __APT_LOG_H__
#define __APT_LOG_H__
/**
* @file apt_log.h
* @brief Basic Logger
*/
#include <stdio.h>
#include <stdarg.h>
#include "apt.h"
APT_BEGIN_EXTERN_C
/** Default max size of the log file (8Mb) */
#define MAX_LOG_FILE_SIZE (8 * 1024 * 1024)
/** Default max number of rotated log files */
#define MAX_LOG_FILE_COUNT 10
/** File:line mark */
#define APT_LOG_MARK __FILE__,__LINE__
/** Format to log pointer values */
#define APT_PTR_FMT "0x%x"
/** Format to log string identifiers */
#define APT_SID_FMT "<%s>"
/** Format to log string identifiers and resources */
#define APT_SIDRES_FMT "<%s@%s>"
/** Format to log pointers and identifiers */
#define APT_PTRSID_FMT APT_PTR_FMT" "APT_SID_FMT
/** Format to log pointers, identifiers and resources */
#define APT_PTRSIDRES_FMT APT_PTR_FMT" "APT_SIDRES_FMT
/** Priority of log messages ordered from highest priority to lowest (rfc3164) */
typedef enum {
APT_PRIO_EMERGENCY, /**< system is unusable */
APT_PRIO_ALERT, /**< action must be taken immediately */
APT_PRIO_CRITICAL, /**< critical condition */
APT_PRIO_ERROR, /**< error condition */
APT_PRIO_WARNING, /**< warning condition */
APT_PRIO_NOTICE, /**< normal, but significant condition */
APT_PRIO_INFO, /**< informational message */
APT_PRIO_DEBUG, /**< debug-level message */
APT_PRIO_COUNT /**< number of priorities */
} apt_log_priority_e;
/** Header (format) of log messages */
typedef enum {
APT_LOG_HEADER_NONE = 0x00, /**< disable optional headers output */
APT_LOG_HEADER_DATE = 0x01, /**< enable date output */
APT_LOG_HEADER_TIME = 0x02, /**< enable time output */
APT_LOG_HEADER_PRIORITY = 0x04, /**< enable priority name output */
APT_LOG_HEADER_MARK = 0x08, /**< enable file:line mark output */
APT_LOG_HEADER_DEFAULT = APT_LOG_HEADER_DATE | APT_LOG_HEADER_TIME | APT_LOG_HEADER_PRIORITY
} apt_log_header_e;
/** Log output modes */
typedef enum {
APT_LOG_OUTPUT_NONE = 0x00, /**< disable logging */
APT_LOG_OUTPUT_CONSOLE = 0x01, /**< enable console output */
APT_LOG_OUTPUT_FILE = 0x02, /**< enable log file output */
} apt_log_output_e;
/** Opaque logger declaration */
typedef struct apt_logger_t apt_logger_t;
/** Prototype of extended log handler function */
typedef apt_bool_t (*apt_log_ext_handler_f)(const char *file, int line, const char *id,
apt_log_priority_e priority, const char *format, va_list arg_ptr);
/**
* Create the singleton instance of the logger.
* @param mode the log output mode
* @param priority the log priority level
* @param pool the memory pool to use
*/
APT_DECLARE(apt_bool_t) apt_log_instance_create(apt_log_output_e mode, apt_log_priority_e priority, apr_pool_t *pool);
/**
* Destroy the singleton instance of the logger.
*/
APT_DECLARE(apt_bool_t) apt_log_instance_destroy();
/**
* Get the singleton instance of the logger.
*/
APT_DECLARE(apt_logger_t*) apt_log_instance_get();
/**
* Set the singleton instance of the logger.
*/
APT_DECLARE(apt_bool_t) apt_log_instance_set(apt_logger_t *logger);
/**
* Open the log file.
* @param dir_path the path to the log directory
* @param file_name the name of the log file
* @param max_file_size the max size of the log file
* @param max_file_count the max number of files used in log rotation
* @param pool the memory pool to use
*/
APT_DECLARE(apt_bool_t) apt_log_file_open(
const char *dir_path,
const char *file_name,
apr_size_t max_file_size,
apr_size_t max_file_count,
apr_pool_t *pool);
/**
* Close the log file.
*/
APT_DECLARE(apt_bool_t) apt_log_file_close();
/**
* Set the logging output.
* @param mode the mode to set
*/
APT_DECLARE(apt_bool_t) apt_log_output_mode_set(apt_log_output_e mode);
/**
* Set the logging priority (log level).
* @param priority the priority to set
*/
APT_DECLARE(apt_bool_t) apt_log_priority_set(apt_log_priority_e priority);
/**
* Set the header (format) for log messages.
* @param header the header to set (used as bitmask)
*/
APT_DECLARE(apt_bool_t) apt_log_header_set(int header);
/**
* Set the extended external log handler.
* @param handler the handler to pass log events to
* @remark default logger is used to output the logs to stdout and/or log file,
* if external log handler isn't set
*/
APT_DECLARE(apt_bool_t) apt_log_ext_handler_set(apt_log_ext_handler_f handler);
/**
* Do logging.
* @param file the file name log entry is generated from
* @param line the line number log entry is generated from
* @param priority the priority of the entire log entry
* @param format the format of the entire log entry
*/
APT_DECLARE(apt_bool_t) apt_log(const char *file, int line, apt_log_priority_e priority, const char *format, ...);
APT_END_EXTERN_C
#endif /*__APT_LOG_H__*/