linuxptp/print.c

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/**
* @file print.c
* @note Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <syslog.h>
#include <unistd.h>
#include "print.h"
static int verbose;
static int print_level = LOG_INFO;
static int use_syslog = 1;
void print_no_syslog(void)
{
use_syslog = 0;
}
void print_set_level(int level)
{
print_level = level;
}
void print_verbose(void)
{
verbose = 1;
}
void print(int level, char const *format, ...)
{
pid_t pid;
va_list ap;
char buf[1024];
if (level > print_level)
return;
pid = getpid();
va_start(ap, format);
vsnprintf(buf, sizeof(buf), format, ap);
va_end(ap);
if (verbose) {
fprintf(stdout, "ptp4l[%d]: %s\n", pid, buf);
fflush(stdout);
}
if (use_syslog) {
syslog(level, "[%d] %s", pid, buf);
}
}