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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <syslog.h>
#include <eal_export.h>
#include <rte_common.h>
#include <rte_log.h>
#include "log_internal.h"
#include "log_private.h"
static int log_facility;
/*
* Usable list of facilities
* Skip kern, mark, and security
*/
static const struct {
const char *name;
int value;
} facilitys[] = {
{ "auth", LOG_AUTH },
{ "cron", LOG_CRON },
{ "daemon", LOG_DAEMON },
{ "ftp", LOG_FTP },
{ "kern", LOG_KERN },
{ "lpr", LOG_LPR },
{ "mail", LOG_MAIL },
{ "news", LOG_NEWS },
{ "syslog", LOG_SYSLOG },
{ "user", LOG_USER },
{ "uucp", LOG_UUCP },
{ "local0", LOG_LOCAL0 },
{ "local1", LOG_LOCAL1 },
{ "local2", LOG_LOCAL2 },
{ "local3", LOG_LOCAL3 },
{ "local4", LOG_LOCAL4 },
{ "local5", LOG_LOCAL5 },
{ "local6", LOG_LOCAL6 },
{ "local7", LOG_LOCAL7 },
};
RTE_EXPORT_INTERNAL_SYMBOL(eal_log_syslog)
int
eal_log_syslog(const char *name)
{
unsigned int i;
if (name == NULL) {
log_facility = LOG_DAEMON;
return 0;
}
for (i = 0; i < RTE_DIM(facilitys); i++) {
if (!strcmp(name, facilitys[i].name)) {
log_facility = facilitys[i].value;
return 0;
}
}
return -1;
}
/* syslog is enabled if facility is set */
bool
log_syslog_enabled(void)
{
return log_facility != 0; /* LOG_KERN is 0 */
}
/*
* default log function
*/
static ssize_t
log_syslog_write(__rte_unused void *c, const char *buf, size_t size)
{
/* 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 size;
}
static int
log_syslog_close(__rte_unused void *c)
{
closelog();
return 0;
}
static cookie_io_functions_t log_syslog_func = {
.write = log_syslog_write,
.close = log_syslog_close,
};
FILE *
log_syslog_open(const char *id)
{
int option = LOG_CONS | LOG_NDELAY | LOG_PID | LOG_PERROR;
openlog(id, option, log_facility);
/* redirect other log messages to syslog as well */
return fopencookie(NULL, "w", log_syslog_func);
}
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