83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
#ifndef _NWLOG_H_
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#define _NWLOG_H_
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#include <stdarg.h>
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#include <stdio.h>
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/*
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* Common logging facade vocabulary and first libnwcore logging API.
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*
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* Runtime configuration uses cumulative level names/masks:
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* off/0, error/1, warn/12, info/123, debug/1234 and trace/12345.
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* Detail logging is maintainer-only and is not enabled by nw.ini.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum nwlog_level_e {
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NWLOG_LEVEL_ERROR = 1,
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NWLOG_LEVEL_WARN = 2,
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NWLOG_LEVEL_INFO = 3,
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NWLOG_LEVEL_DEBUG = 4,
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NWLOG_LEVEL_TRACE = 5,
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/* Collapse target for useful legacy XDPRINTF levels 6..99. */
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NWLOG_LEVEL_DETAIL = 6
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} NwLogLevel;
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void nwlog_set_process_name(const char *name);
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void nwlog_set_level_mask(unsigned int mask);
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int nwlog_set_output_path(const char *path);
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void nwlog_set_output_file(FILE *fp);
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void nwlog_close_output(void);
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unsigned int nwlog_get_level_mask(void);
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unsigned int nwlog_parse_level_mask(const char *text, unsigned int fallback);
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int nwlog_enabled(NwLogLevel level);
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const char *nwlog_level_name(NwLogLevel level);
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int nwlog_emitv(NwLogLevel level, const char *subsystem, const char *fmt, va_list ap);
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int nwlog_emit(NwLogLevel level, const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 3, 4)))
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#endif
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;
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int nwlog_error(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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int nwlog_warn(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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int nwlog_info(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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int nwlog_debug(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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int nwlog_trace(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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int nwlog_detail(const char *subsystem, const char *fmt, ...)
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#ifdef __GNUC__
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__attribute__((format(printf, 2, 3)))
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#endif
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;
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#ifdef __cplusplus
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}
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#endif
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#endif
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