Bee Red
55fbbdd082
used -Wall for find warning: 'logtxt' defined but not used [-Wunused-variable] logtxt should only exist in log.c every other include of log.h introduce another logtxt which waste space
183 lines
3.3 KiB
C
183 lines
3.3 KiB
C
/*
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* Copyright (C) Roland Jax 2012-2013 <roland.jax@liwest.at>
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*
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* This file is part of ebusd.
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*
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* ebusd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ebusd 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 ebusd. If not, see http://www.gnu.org/licenses/.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif /* HAVE_CONFIG_H */
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <time.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <syslog.h>
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#include "log.h"
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static unsigned char loglvl = L_NUL;
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static const char *logtxt[] = {"INF","NOT","WAR","ERR","DBG","EBH","EBS","NET"};
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static int logtxtlen = sizeof(logtxt) / sizeof(char*);
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static FILE *logfp = NULL;
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char *log_time(char *time);
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char *log_txt(unsigned char lvl);
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void
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log_file(FILE *fp)
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{
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if(logfp)
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fclose(logfp);
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logfp = fp;
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}
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void
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log_level(char *lvl)
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{
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unsigned char tmp;
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int i;
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char *par;
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loglvl = L_NUL;
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par = strtok(lvl, ", ");
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while (par) {
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if (strncasecmp(par, "ALL", 3) == 0) {
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loglvl = L_ALL;
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break;
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}
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tmp = 0x01;
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for (i = 0; i < logtxtlen; i++) {
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if (strncasecmp(par, logtxt[i], 3) == 0) {
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loglvl |= (tmp << i);
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break;
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}
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}
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par = strtok(NULL, ", ");
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}
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}
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int
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log_open(const char *file, int foreground)
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{
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FILE *fp = NULL;
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if (foreground) {
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log_file(stdout);
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} else {
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if (file) {
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if ((fp = fopen(file, "a+")) == 0) {
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fprintf(stderr, "can't open logfile: %s\n", file);
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return -1;
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}
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log_file(fp);
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}
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}
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openlog(NULL, LOG_CONS|LOG_NDELAY|LOG_PID, LOG_DAEMON);
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return 0;
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}
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void
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log_close()
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{
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if (logfp) {
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fflush(logfp);
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fclose(logfp);
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}
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closelog();
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}
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char *
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log_time(char *time)
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{
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struct timeval tv;
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struct tm *tm;
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gettimeofday(&tv, NULL);
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tm = localtime(&tv.tv_sec);
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sprintf(time, "%04d-%02d-%02d %02d:%02d:%02d.%03ld",
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tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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tm->tm_hour, tm->tm_min, tm->tm_sec, tv.tv_usec/1000);
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return time;
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}
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char *
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log_txt(unsigned char lvl)
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{
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char *type = NULL;
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if (logtxtlen > 0) {
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unsigned char tmp;
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int i;
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tmp = 0x01;
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for (i = 0; i < logtxtlen; i++) {
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if (lvl == L_ALL) {
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type = "ALL";
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break;
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}
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if ((lvl & (tmp << i)) != 0x00 &&
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(loglvl & (tmp << i)) != 0x00) {
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type = (char *)logtxt[i];
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break;
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}
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}
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}
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return type;
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}
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void
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log_print(unsigned char lvl, const char *txt, ...)
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{
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char time[24];
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char buf[512];
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va_list ap;
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va_start(ap, txt);
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vsprintf(buf, txt, ap);
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if ((loglvl & lvl) != 0x00) {
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if (logfp) {
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//~ fprintf(logfp, "%s [0x%02x %s] %s\n",
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//~ log_time(time), lvl , log_txt(lvl), buf);
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fprintf(logfp, "%s [%s] %s\n",
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log_time(time), log_txt(lvl), buf);
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fflush(logfp);
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} else {
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//~ syslog(LOG_INFO, "[0x%02x %s] %s\n",
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//~ lvl, log_txt(lvl), txt);
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syslog(LOG_INFO, "[%s] %s\n", log_txt(lvl), txt);
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}
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}
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va_end(ap);
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}
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