mp2i-vms.fr
149 lines
2.8 KiB
C
149 lines
2.8 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <stdarg.h>
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#include <string.h>
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#include "logger.h"
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Logger logger;
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void create_logger(char* logpath, LogLevel level) {
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logger = malloc(sizeof(*logger));
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logger->t0 = clock();
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logger->level = level;
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if (logpath[0] != '\0')
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{
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logger->logfile = fopen(logpath, "w");
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}
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else
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logger->logfile = NULL;
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}
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void destroy_logger() {
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if (logger->logfile != NULL)
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fclose(logger->logfile);
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free(logger);
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}
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void logprint(LogLevel level, char* str, va_list args)
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{
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clock_t t = clock();
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char label[6];
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switch (level)
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{
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case (PANIC):
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strcpy(label, "PANIC");
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break;
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case (FATAL):
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strcpy(label, "FATAL");
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break;
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case (ERROR):
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strcpy(label, "ERROR");
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break;
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case (WARN):
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strcpy(label, "WARN");
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break;
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case (INFO):
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strcpy(label, "INFO");
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break;
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case (DEBUG):
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strcpy(label, "DEBUG");
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break;
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case (TRACE):
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strcpy(label, "TRACE");
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break;
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}
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FILE* stream = (level >= WARN) ? stderr : stdout;
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if (level < logger->level)
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return;
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fprintf(stream, "[%s][%f]: ", label, (double)t / CLOCKS_PER_SEC);
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vfprintf(stream, str, args);
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fprintf(stream, "\n");
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if (logger->logfile != NULL)
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{
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fprintf(logger->logfile, "[%s][%f]: ", label, (double)t / CLOCKS_PER_SEC);
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vfprintf(logger->logfile, str, args);
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fprintf(logger->logfile, "\n");
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}
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}
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void panic(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(PANIC, str, args);
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va_end(args);
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}
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void fatal(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(FATAL, str, args);
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va_end(args);
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}
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void error(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(ERROR, str, args);
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va_end(args);
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}
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void warn(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(WARN, str, args);
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va_end(args);
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}
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void info(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(INFO, str, args);
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va_end(args);
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}
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void debug(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(DEBUG, str, args);
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va_end(args);
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}
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void trace(char *str, ...)
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{
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va_list args;
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va_start(args, str);
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logprint(TRACE, str, args);
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va_end(args);
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}
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int main()
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{
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create_logger("logger.log", TRACE);
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info("Je me lève.");
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trace("Il y a un oiseau derrière la fenêtre.");
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info("Je sors de ma chambre. Il fait %d degrés.", 18);
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warn("Je trébuche.");
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info("Je descends les escaliers");
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info("Je suis dans la rue");
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panic("Je meurs");
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destroy_logger();
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}
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