mirror of https://github.com/dnomd343/ClearDNS
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57 lines
1.6 KiB
57 lines
1.6 KiB
#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "logger.h"
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int LOG_LEVEL = LOG_INFO; // default log level
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static const char *log_string[] = {
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"[DEBUG]",
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"[INFO]",
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"[WARN]",
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"[ERROR]",
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"[FATAL]",
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};
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static const char *log_color[] = {
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"\x1b[39m", // debug
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"\x1b[32m", // info
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"\x1b[33m", // warn
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"\x1b[31m", // error
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"\x1b[95m", // fatal
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};
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void log_printf(int level, const char *fmt, ...) {
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if (level < LOG_LEVEL) { // skip low log level
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return;
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}
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time_t t = time(NULL);
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char time_str[20]; // YYYY-mm-dd HH:MM:SS (20 bytes)
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time_str[strftime(time_str, 20, "%Y-%m-%d %H:%M:%S", localtime(&t))] = '\0'; // generate time str
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "\x1b[36m[ClearDNS]\x1b[0m \x1b[90m%s\x1b[0m", time_str); // show log prefix
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fprintf(stderr, " %s%s\x1b[0m ", log_color[level], log_string[level]); // show log level
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vfprintf(stderr, fmt, ap); // output log content
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fprintf(stderr, "\n"); // add LF after line
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fflush(stderr);
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va_end(ap);
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if (level == LOG_FATAL) {
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exit(1);
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}
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}
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void log_perror(char *prefix) {
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time_t t;
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time(&t);
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struct tm *lt = localtime(&t);
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fprintf(stderr, "\x1b[36m[ClearDNS]\x1b[0m ");
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fprintf(stderr, "\x1b[90m%04d-%02d-%02d %02d:%02d:%02d\x1b[0m",
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lt->tm_year + 1900, lt->tm_mon, lt->tm_mday, lt->tm_hour, lt->tm_min, lt->tm_sec);
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fprintf(stderr, " %s%s\x1b[0m ", log_color[3], log_string[3]); // error level
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fflush(stderr);
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perror(prefix);
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}
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