105 lines
2.8 KiB
C
105 lines
2.8 KiB
C
#ifndef MESA_HANDLE__LOGGER_H
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#define MESA_HANDLE__LOGGER_H
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/*
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* runtime_log with handle,
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* based on runtime_log.
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* yang wei
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* create time:2014-03-24
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* version:20140324
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*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <pthread.h>
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#define RLOG_LV_DEBUG 10
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#define RLOG_LV_INFO 20
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#define RLOG_LV_FATAL 30
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typedef struct log_ratelimit_s
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{
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int interval;
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int burst;
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int printed;
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int missed;
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long begin;
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pthread_mutex_t mutex;
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}log_ratelimit_t;
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int MESA_handle_runtime_log_creation(const char *conf_path);
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int MESA_handle_runtime_log_reconstruction(const char *conf_path);
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void MESA_handle_runtime_log_destruction();
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#define MESA_HANDLE_RUNTIME_LOG(handle, lv, mod, fmt, args...) \
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MESA_handle_runtime_log((handle), (lv), (mod), "file %s, line %d, " fmt, \
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__FILE__, __LINE__, ##args)
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#define MESA_HANDLE_RUNTIME_LOG_RATELIMIT(handle, lv, mod, fmt, args...) \
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({ \
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static log_ratelimit_t _rs = { \
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.mutex = PTHREAD_MUTEX_INITIALIZER, \
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}; \
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if (MESA_runtime_log_ratelimit((handle), (&_rs), (lv), (mod), (__func__))) \
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MESA_handle_runtime_log((handle), (lv), (mod), fmt, ##args); \
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})
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/*
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* name: MESA_create_runtime_log_handle
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* functionality: get runtime_log handle;
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* params:
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* file_path: path of log file, like "./log/runtime_log";
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* level: level of log;
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* returns:
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* not NULL, if succeeded;
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* NULL, if file is not absolute path, or failed to create log file;
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*/
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void *MESA_create_runtime_log_handle(const char *file_path, int level);
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/*
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* name: MESA_handle_runtime_log
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* functionality: appends log message to runtime log file;
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* params:
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* handle:handle of runtime log, which is created by MESA_create_runtime_log_handle;
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* level: log level, messages with level value smaller the global var
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* "runtime_log_level" are ignored;
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* module: name of loggin module;
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* fmt: format string;
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* returns:
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* none;
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*/
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void MESA_handle_runtime_log(void *handle, int level, const char *module, const char *fmt, ...);
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/*
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* name: MESA_destroy_runtime_log_handle
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* functionality: release runtime log handle memory.
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* params:
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* handle: runtime log handle which is going to be released;
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* returns:
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* none;
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*/
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void MESA_destroy_runtime_log_handle(void *handle);
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/*
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* name: MESA_set_runtime_log_handle_ratelimit
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* functionality: set not more than @burst in every @interval when appends log message
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* params:
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* handle: runtime log handle which is going to be released;
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* interval: interval time(second). if set '0', it means unlimit.
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* burst: in interval time max count
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* returns:
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* none;
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*/
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void MESA_set_runtime_log_handle_ratelimit(void *handle, int interval, int burst);
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#ifdef __cplusplus
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}
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#endif
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#endif
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