project_files/frontlib/util/logging.c
author Medo <smaxein@googlemail.com>
Thu, 05 Jul 2012 00:33:24 +0200
changeset 7316 f7b49b2c5d84
parent 7314 6171f0bad318
child 7338 1ed603a54ebd
permissions -rw-r--r--
frontlib: Improved and unified parameter checking, moved the cmdlineClient out of the frontlib code.
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License
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 * as published by the Free Software Foundation; either version 2
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 * of the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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 */
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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 const char *getPrefix(int level) {
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	switch(level) {
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	case FLIB_LOGLEVEL_ERROR: return "E";
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	case FLIB_LOGLEVEL_WARNING: return "W";
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	case FLIB_LOGLEVEL_INFO: return "I";
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	case FLIB_LOGLEVEL_DEBUG: return "D";
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	default: return "?";
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	}
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}
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static void _flib_vflog(const char *func, 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 ", getPrefix(level));
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		log_time(logfile);
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		fprintf(logfile, " [%-30s] ", func);
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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_flog(const char *func, int level, const char *fmt, ...) {
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	va_list argp;
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	va_start(argp, fmt);
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	_flib_vflog(func, level, fmt, argp);
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	va_end(argp);
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}
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bool _flib_fassert(const char *func, int level, bool cond, const char *fmt, ...) {
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	if(!cond) {
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		va_list argp;
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		va_start(argp, fmt);
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		_flib_vflog(func, level, fmt, argp);
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		va_end(argp);
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	}
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	return !cond;
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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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}
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bool flib_log_isActive(int level) {
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	return level >= flib_log_getLevel();
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}