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81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* Copyright 2001,2002,2003 Roger Dingledine, Matej Pfajfar. */
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/* See LICENSE for licensing information */
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/* $Id$ */
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/**
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* /file log.h
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*
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* /brief Headers for logging functions.
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**/
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#ifndef __LOG_H
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/**
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* \file log.h
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* \brief Headers for log.c
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*/
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#ifdef HAVE_SYSLOG_H
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#include <syslog.h>
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#define LOG_WARN LOG_WARNING
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#else
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/** Debug-level severity: for hyper-verbose messages of no interest to
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* anybody but developers. */
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#define LOG_DEBUG 0
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/** Info-level severity: for messages that appear frequently during normal
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* operation. */
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#define LOG_INFO 1
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/** Notice-level severity: for messages that appear infrequently
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* during normal operation; that the user will probably care about;
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* and that are not errors.
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*/
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#define LOG_NOTICE 2
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/** Warn-level severity: for messages that only appear when something has gone
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* wrong. */
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#define LOG_WARN 3
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/** Warn-level severity: for messages that only appear when something has gone
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* very wrong, and the Tor process can no longer proceed. */
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#define LOG_ERR 4
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#endif
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/* magic to make GCC check for proper format strings. */
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#ifdef __GNUC__
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#define CHECK_PRINTF(formatIdx, firstArg) \
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__attribute__ ((format (printf, formatIdx, firstArg)))
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#else
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#define CHECK_PRINTF(formatIdx, firstArg)
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#endif
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int parse_log_level(const char *level);
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void add_stream_log(int severityMin, int severityMax, const char *name, FILE *stream);
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int add_file_log(int severityMin, int severityMax, const char *filename);
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int get_min_log_level(void);
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void close_logs();
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void reset_logs();
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/* Outputs a message to stdout */
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void _log(int severity, const char *format, ...) CHECK_PRINTF(2,3);
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#ifdef __GNUC__
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void _log_fn(int severity, const char *funcname, const char *format, ...)
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CHECK_PRINTF(3,4);
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/** Log a message at level <b>severity</b>, using a pretty-printed version
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* of the current function name. */
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#define log_fn(severity, args...) \
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_log_fn(severity, __PRETTY_FUNCTION__, args)
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#else
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#define log_fn _log
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#endif
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#define log _log /* hack it so we don't conflict with log() as much */
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# define __LOG_H
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#endif
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/*
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Local Variables:
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mode:c
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indent-tabs-mode:nil
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c-basic-offset:2
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End:
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*/
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