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/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <stdio.h>
#include <stdint.h>
#include <sys/types.h>
#include <syslog.h>
#include <sys/queue.h>
#include <rte_memory.h>
#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_launch.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
#include <rte_spinlock.h>
#include <rte_log.h>
#include "eal_private.h"
/*
* default log function, used once mempool (hence log history) is
* available
*/
static ssize_t
console_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
{
char copybuf[BUFSIZ + 1];
ssize_t ret;
uint32_t loglevel;
/* add this log in history */
rte_log_add_in_history(buf, size);
/* write on stdout */
ret = fwrite(buf, 1, size, stdout);
fflush(stdout);
/* truncate message if too big (should not happen) */
if (size > BUFSIZ)
size = BUFSIZ;
/* Syslog error levels are from 0 to 7, so subtract 1 to convert */
loglevel = rte_log_cur_msg_loglevel() - 1;
memcpy(copybuf, buf, size);
copybuf[size] = '\0';
/* write on syslog too */
syslog(loglevel, "%s", copybuf);
return ret;
}
static cookie_io_functions_t console_log_func = {
.write = console_log_write,
};
/*
* set the log to default function, called during eal init process,
* once memzones are available.
*/
int
rte_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);
if (rte_eal_common_log_init(log_stream) < 0)
return -1;
return 0;
}
/* early logs */
/*
* early log function, used during boot when mempool (hence log
* history) is not available
*/
static ssize_t
early_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
{
ssize_t ret;
ret = fwrite(buf, size, 1, stdout);
fflush(stdout);
if (ret == 0)
return -1;
return ret;
}
static cookie_io_functions_t early_log_func = {
.write = early_log_write,
};
static FILE *early_log_stream;
/*
* init the log library, called by rte_eal_init() to enable early
* logs
*/
int
rte_eal_log_early_init(void)
{
early_log_stream = fopencookie(NULL, "w+", early_log_func);
if (early_log_stream == NULL) {
printf("Cannot configure early_log_stream\n");
return -1;
}
rte_openlog_stream(early_log_stream);
return 0;
}
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