125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
/*
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* Copyright 2003 James Bursa <bursa@users.sourceforge.net>
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* Copyright 2004 John Tytgat <joty@netsurf-browser.org>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef NETSURF_LOG_H
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#define NETSURF_LOG_H
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#include <stdio.h>
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#include <stdbool.h>
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#include "utils/errors.h"
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extern bool verbose_log;
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/**
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* Ensures the FILE handle is available to write logging to.
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*
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* This is provided by the frontends if required
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*/
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typedef bool(nslog_ensure_t)(FILE *fptr);
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/**
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* Initialise the logging system.
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*
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* Sets up everything required for logging. Processes the argv passed
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* to remove the -v switch for verbose logging. If necessary ensures
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* the output file handle is available.
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*/
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extern nserror nslog_init(nslog_ensure_t *ensure, int *pargc, char **argv);
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/**
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* Shut down the logging system.
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*
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* Shuts down the logging subsystem, resetting to verbose logging and output
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* to stderr. Note, if logging is done after calling this, it will be sent
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* to stderr without filtering.
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*/
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extern void nslog_finalise(void);
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/**
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* Set the logging filter.
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*
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* Compiles and enables the given logging filter.
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*/
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extern nserror nslog_set_filter(const char *filter);
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/**
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* Set the logging filter according to the options.
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*/
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extern nserror nslog_set_filter_by_options(void);
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/* ensure a logging level is defined */
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#ifndef NETSURF_LOG_LEVEL
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#define NETSURF_LOG_LEVEL INFO
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#endif
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#define NSLOG_LVL(level) NSLOG_LEVEL_ ## level
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#define NSLOG_EVL(level) NSLOG_LVL(level)
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#define NSLOG_COMPILED_MIN_LEVEL NSLOG_EVL(NETSURF_LOG_LEVEL)
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#ifdef WITH_NSLOG
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#include <nslog/nslog.h>
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NSLOG_DECLARE_CATEGORY(netsurf);
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NSLOG_DECLARE_CATEGORY(llcache);
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NSLOG_DECLARE_CATEGORY(fetch);
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NSLOG_DECLARE_CATEGORY(plot);
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NSLOG_DECLARE_CATEGORY(schedule);
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NSLOG_DECLARE_CATEGORY(fbtk);
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NSLOG_DECLARE_CATEGORY(layout);
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NSLOG_DECLARE_CATEGORY(dukky);
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NSLOG_DECLARE_CATEGORY(jserrors);
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#else /* WITH_NSLOG */
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enum nslog_level {
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NSLOG_LEVEL_DEEPDEBUG = 0,
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NSLOG_LEVEL_DEBUG = 1,
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NSLOG_LEVEL_VERBOSE = 2,
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NSLOG_LEVEL_INFO = 3,
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NSLOG_LEVEL_WARNING = 4,
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NSLOG_LEVEL_ERROR = 5,
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NSLOG_LEVEL_CRITICAL = 6
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};
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extern void nslog_log(const char *file, const char *func, int ln, const char *format, ...) __attribute__ ((format (printf, 4, 5)));
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# ifdef __GNUC__
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# define LOG_FN __PRETTY_FUNCTION__
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# define LOG_LN __LINE__
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# elif defined(__CC_NORCROFT)
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# define LOG_FN __func__
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# define LOG_LN __LINE__
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# else
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# define LOG_FN ""
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# define LOG_LN __LINE__
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# endif
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#define NSLOG(catname, level, logmsg, args...) \
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do { \
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if (NSLOG_LEVEL_##level >= NSLOG_COMPILED_MIN_LEVEL) { \
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nslog_log(__FILE__, LOG_FN, LOG_LN, logmsg , ##args); \
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} \
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} while(0)
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#endif /* WITH_NSLOG */
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#endif
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