112 lines
2.5 KiB
C
112 lines
2.5 KiB
C
/* debug.c - debug/log management
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*
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* Copyright (C) 2021-2022 Bruno Raoult ("br")
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* Licensed under the GNU General Public License v3.0 or later.
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* Some rights reserved. See COPYING.
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*
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* You should have received a copy of the GNU General Public License along with this
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* program. If not, see <https://www.gnu.org/licenses/gpl-3.0-standalone.html>.
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*
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* SPDX-License-Identifier: GPL-3.0-or-later <https://spdx.org/licenses/GPL-3.0-or-later.html>
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*
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*/
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#include <stdio.h>
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#include <stdarg.h>
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#include <time.h>
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#ifndef DEBUG_DEBUG
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#define DEBUG_DEBUG
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#endif
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#include "bits.h"
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#include "debug.h"
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#define NANOSEC 1000000000 /* nano sec in sec */
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#define MILLISEC 1000000 /* milli sec in sec */
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static long long timer_start; /* in nanosecond */
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static u32 debug_level=0;
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void debug_level_set(u32 level)
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{
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debug_level = level;
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log(1, "debug level set to %u\n", level);
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}
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void debug_init(u32 level)
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{
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struct timespec timer;
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debug_level_set(level);
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if (!clock_gettime(CLOCK_MONOTONIC, &timer)) {
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timer_start = timer.tv_sec * NANOSEC + timer.tv_nsec;
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}
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else {
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timer_start = 0;
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}
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log(0, "timer started.\n");
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}
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inline static long long timer_elapsed()
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{
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struct timespec timer;
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clock_gettime(CLOCK_MONOTONIC, &timer);
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return (timer.tv_sec * NANOSEC + timer.tv_nsec) - timer_start;
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}
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/* void debug - log function
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* @timestamp : boolean
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* @indent : indent level (2 spaces each)
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* @src : source file/func name (or NULL)
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* @line : line number
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*/
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void debug(u32 level, bool timestamp, u32 indent, const char *src,
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u32 line, const char *fmt, ...)
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{
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if (level > debug_level)
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return;
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va_list ap;
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if (indent)
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printf("%*s", 2*(indent-1), "");
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if (timestamp) {
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long long diff = timer_elapsed();
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printf("%lld.%03lld ", diff/NANOSEC, (diff/1000000)%1000);
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printf("%010lld ", diff);
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}
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if (src) {
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if (line)
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printf("[%s:%u] ", src, line);
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else
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printf("[%s] ", src);
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}
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va_start(ap, fmt);
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vprintf(fmt, ap);
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va_end(ap);
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}
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#ifdef BIN_debug
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#include <unistd.h>
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int main()
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{
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int foo=1;
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debug_init(5);
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log(0, "log0=%d\n", foo++);
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log(1, "log1=%d\n", foo++);
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log(2, "log2=%d\n", foo++);
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log_i(2, "log_i 2=%d\n", foo++);
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log_i(5, "log_i 5=%d\n", foo++);
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log_i(6, "log_i 6=%d\n", foo++);
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log_it(4, "log_it 4=%d\n", foo++);
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log_f(1, "log_f 5=%d\n", foo++);
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}
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#endif
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