f-stack/dpdk/lib/eal/linux/eal_log.c

62 lines
1.1 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <sys/types.h>
#include <syslog.h>
#include <rte_log.h>
#include "eal_log.h"
/*
* default log function
*/
static ssize_t
console_log_write(__rte_unused void *c, const char *buf, size_t size)
{
ssize_t ret;
/* write on stderr */
ret = fwrite(buf, 1, size, stderr);
fflush(stderr);
/* Syslog error levels are from 0 to 7, so subtract 1 to convert */
syslog(rte_log_cur_msg_loglevel() - 1, "%.*s", (int)size, buf);
return ret;
}
static int
console_log_close(__rte_unused void *c)
{
closelog();
return 0;
}
static cookie_io_functions_t console_log_func = {
.write = console_log_write,
.close = console_log_close,
};
/*
* set the log to default function, called during eal init process,
* once memzones are available.
*/
int
eal_log_init(const char *id, int facility)
{
FILE *log_stream;
log_stream = fopencookie(NULL, "w+", console_log_func);
if (log_stream == NULL)
return -1;
openlog(id, LOG_NDELAY | LOG_PID, facility);
eal_log_set_default(log_stream);
return 0;
}