project_files/frontlib/util/logging.c
author Medo <smaxein@googlemail.com>
Mon, 11 Jun 2012 00:02:17 +0200 (2012-06-10)
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parent 7179 f84805e6df03
child 7224 5143861c83bd
permissions -rw-r--r--
Small improvements to the frontend lib for better debugging
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#include "logging.h"
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#include <time.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdlib.h>
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static int flib_loglevel = FLIB_LOGLEVEL_INFO;
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static FILE *flib_logfile = NULL;
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char* flib_format_ip(uint32_t numip) {
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	static char ip[16];
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	snprintf(ip, 16, "%u.%u.%u.%u", (unsigned)(numip>>24), (unsigned)((numip>>16)&0xff), (unsigned)((numip>>8)&0xff), (unsigned)(numip&0xff));
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	return ip;
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}
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static inline FILE *flib_log_getfile() {
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	if(flib_logfile==NULL) {
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		return stdout;
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	} else {
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		return flib_logfile;
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	}
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}
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static void log_time() {
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    time_t timer;
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    char buffer[25];
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    struct tm* tm_info;
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    time(&timer);
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    tm_info = localtime(&timer);
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    strftime(buffer, 25, "%Y-%m-%d %H:%M:%S", tm_info);
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    fprintf(flib_log_getfile(), "%s", buffer);
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}
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static void flib_vflog(const char *prefix, int level, const char *fmt, va_list args) {
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	FILE *logfile = flib_log_getfile();
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	if(level >= flib_loglevel) {
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		fprintf(logfile, "%s ", prefix);
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		log_time(logfile);
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		fprintf(logfile, "  ", prefix);
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		vfprintf(logfile, fmt, args);
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		fprintf(logfile, "\n");
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		fflush(logfile);
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	}
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}
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void flib_log_e(const char *fmt, ...) {
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	va_list argp;
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	va_start(argp, fmt);
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	flib_vflog("E", FLIB_LOGLEVEL_ERROR, fmt, argp);
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	va_end(argp);
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}
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void flib_log_w(const char *fmt, ...) {
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	va_list argp;
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	va_start(argp, fmt);
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	flib_vflog("W", FLIB_LOGLEVEL_WARNING, fmt, argp);
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	va_end(argp);
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}
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void flib_log_i(const char *fmt, ...) {
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	va_list argp;
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	va_start(argp, fmt);
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	flib_vflog("I", FLIB_LOGLEVEL_INFO, fmt, argp);
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	va_end(argp);
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}
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void flib_log_d(const char *fmt, ...) {
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	va_list argp;
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	va_start(argp, fmt);
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	flib_vflog("D", FLIB_LOGLEVEL_DEBUG, fmt, argp);
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	va_end(argp);
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}
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int flib_log_getLevel() {
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	return flib_loglevel;
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}
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void flib_log_setLevel(int level) {
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	flib_loglevel = level;
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}
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void flib_log_setFile(FILE *file) {
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	flib_logfile = file;
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}