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/*
* Copyright (C) 2014-2016
* Olivier Gayot <ogayot@baylibre.com>
* Bartosz Golaszewski <bgolaszewski@baylibre.com>
* Olivier Gayot <olivier.gayot@sigexec.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 <stdio.h>
#include <stdarg.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <libwebsockets.h>
#include "log.h"
#define PRINT_FROM_VA(STREAM, LVL, FMT) \
do { \
va_list va; \
va_start(va, FMT); \
fprintf(STREAM, "caod ["LVL"] PID: %d\t", getpid()); \
vfprintf(STREAM, FMT, va); \
fprintf(STREAM, "\n"); \
va_end(va); \
} while (0)
static const char* const logpath = "/tmp/caod.log";
static FILE* logfd;
static void close_log(void)
{
fclose(logfd);
}
void caod_setup_logs(void)
{
(void)unlink(logpath);
logfd = fopen(logpath, "w");
if (logfd)
atexit(&close_log);
}
void caod_info(const char *fmt, ...)
{
PRINT_FROM_VA(stdout, "INFO", fmt);
if (logfd) {
PRINT_FROM_VA(logfd, "INFO", fmt);
}
}
void caod_warn(const char *fmt, ...)
{
PRINT_FROM_VA(stdout, "WARN", fmt);
if (logfd) {
PRINT_FROM_VA(logfd, "WARN", fmt);
}
}
void caod_err(const char *fmt, ...)
{
PRINT_FROM_VA(stdout, "ERR", fmt);
if (logfd) {
PRINT_FROM_VA(logfd, "ERR", fmt);
}
}
void caod_log_hook(int level, const char *line)
{
char buf[256];
int last;
memset(buf, 0, sizeof(buf));
strncpy(buf, line, sizeof(buf));
last = strlen(buf)-1;
if (buf[last] == '\n') {
buf[last] = '\0';
}
switch (level) {
case LLL_DEBUG:
case LLL_INFO:
case LLL_NOTICE:
caod_info("%s", buf);
break;
case LLL_WARN:
caod_warn("%s", buf);
break;
case LLL_ERR:
caod_err("%s", buf);
break;
default:
break;
}
}
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