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/******************************************************************************
logging.cc from libdap
Copyright (C) 1999 Christine Caulfield christine.caulfield@googlemail.com
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// Logging module for libdap
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <syslog.h>
#include "logging.h"
static enum {DAPLOG_MONO, DAPLOG_STDERR, DAPLOG_SYSLOG}
log_type = DAPLOG_SYSLOG;
static bool show_pid = false;
void init_logging(const char *progname, char type, bool pid)
{
switch (type)
{
case 'm':
log_type = DAPLOG_MONO;
break;
case 'e':
log_type = DAPLOG_STDERR;
break;
default:
log_type = DAPLOG_SYSLOG;
openlog(progname, LOG_PID, LOG_DAEMON);
break;
}
#ifndef NO_FORK
show_pid = pid;
#endif
}
static void daplog_stderr(int level, const char *fmt, va_list ap)
{
if (show_pid) fprintf(stderr, "[%d] ", getpid());
vfprintf(stderr, fmt, ap);
}
// This will output to the /dev/mono device (using my mono driver - see
// web page for details) or tty13 which is usually the mono monitor
// in a framebuffer system.
static void daplog_mono(int level, const char *fmt, va_list ap)
{
char outbuf[4096];
static int fd = 0;
if (!fd) fd = open("/dev/mono", O_WRONLY);
if (!fd) fd = open("/dev/tty13", O_WRONLY);
#ifndef NO_FORK
sprintf(outbuf, "[%d] ", getpid());
write(fd, outbuf, strlen(outbuf));
#endif
vsprintf(outbuf, fmt, ap);
write(fd, outbuf, strlen(outbuf));
}
void daplog(int level, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
switch(log_type)
{
case DAPLOG_MONO:
daplog_mono(level, fmt, ap);
break;
case DAPLOG_STDERR:
daplog_stderr(level, fmt, ap);
break;
case DAPLOG_SYSLOG:
vsyslog(level, fmt, ap);
break;
}
va_end(ap);
}
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