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121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/** Logging and debugging routines
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2014-2016, Institute for Automation of Complex Power Systems, EONERC
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* This file is part of S2SS. All Rights Reserved. Proprietary and confidential.
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* Unauthorized copying of this file, via any medium is strictly prohibited.
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*********************************************************************************/
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#ifndef _LOG_H_
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#define _LOG_H_
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#include <stdarg.h>
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#include <libconfig.h>
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#ifdef __GNUC__
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#define INDENT int __attribute__ ((__cleanup__(log_outdent), unused)) _old_indent = log_indent(1);
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#else
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#define INDENT ;
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#endif
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/* The log level which is passed as first argument to print() */
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#define DEBUG GRY("Debug")
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#define INFO ""
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#define WARN YEL("Warn ")
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#define ERROR RED("Error")
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#define STATS MAG("Stats")
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/** Debug facilities.
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*
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* To be or-ed with the debug level
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*/
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enum debug_facilities {
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DBG_POOL = (1 << 8),
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DBG_QUEUE = (1 << 9),
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DBG_CONFIG = (1 << 10),
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DBG_HOOK = (1 << 11),
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DBG_PATH = (1 << 12),
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/* Node-types */
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DBG_SOCKET = (1 << 16),
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DBG_FILE = (1 << 17),
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DBG_GTFPGA = (1 << 18),
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DBG_NGSI = (1 << 19),
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DBG_WEBSOCKET = (1 << 20),
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DBG_OPAL = (1 << 21),
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DBG_NODE = (0xFF << 16)
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};
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/** Change log indention for current thread.
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*
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* The argument level can be negative!
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*/
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int log_indent(int levels);
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/** A helper function the restore the previous log indention level.
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*
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* This function is usually called by a __cleanup__ handler (GCC C Extension).
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* See INDENT macro.
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*/
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void log_outdent(int *);
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/** Set the verbosity level of debug messages.
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*
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* @param lvl The new debug level.
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* @param fac The new mask for debug facilities.
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*/
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void log_setlevel(int lvl, int fac);
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/** Reset the wallclock of debug messages. */
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void log_init();
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/** Logs variadic messages to stdout.
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*
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* @param lvl The log level
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* @param fmt The format string (printf alike)
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*/
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void log_print(const char *lvl, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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/** Logs variadic messages to stdout.
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*
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* @param lvl The log level
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* @param fmt The format string (printf alike)
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* @param va The variadic argument list (see stdarg.h)
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*/
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void log_vprint(const char *lvl, const char *fmt, va_list va);
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/** Printf alike debug message with level. */
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void debug(int lvl, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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/** Print a horizontal line. */
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void line();
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/** Printf alike info message. */
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void info(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/** Printf alike warning message. */
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void warn(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/** Printf alike statistics message. */
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void stats(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/** Print error and exit. */
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void error(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/** Print error and strerror(errno). */
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void serror(const char *fmt, ...)
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__attribute__ ((format(printf, 1, 2)));
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/** Print configuration error and exit. */
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void cerror(config_setting_t *cfg, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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#endif /* _LOG_H_ */
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