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libwebsockets/lib/plat/unix/unix-misc.c

93 lines
2 KiB
C

/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2018 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#define _GNU_SOURCE
#include "core/private.h"
lws_usec_t
lws_now_usecs(void)
{
#if defined(LWS_HAVE_CLOCK_GETTIME)
struct timespec ts;
if (clock_gettime(CLOCK_MONOTONIC, &ts))
return 0;
return (((lws_usec_t)ts.tv_sec) * LWS_US_PER_SEC) +
((lws_usec_t)ts.tv_nsec / LWS_NS_PER_US);
#else
struct timeval now;
gettimeofday(&now, NULL);
return (((lws_usec_t)now.tv_sec) * LWS_US_PER_SEC) +
(lws_usec_t)now.tv_usec;
#endif
}
LWS_VISIBLE int
lws_get_random(struct lws_context *context, void *buf, int len)
{
return read(context->fd_random, (char *)buf, len);
}
LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
{
int syslog_level = LOG_DEBUG;
switch (level) {
case LLL_ERR:
syslog_level = LOG_ERR;
break;
case LLL_WARN:
syslog_level = LOG_WARNING;
break;
case LLL_NOTICE:
syslog_level = LOG_NOTICE;
break;
case LLL_INFO:
syslog_level = LOG_INFO;
break;
}
syslog(syslog_level, "%s", line);
}
int
lws_plat_write_cert(struct lws_vhost *vhost, int is_key, int fd, void *buf,
int len)
{
int n;
n = write(fd, buf, len);
fsync(fd);
if (lseek(fd, 0, SEEK_SET) < 0)
return 1;
return n != len;
}
int
lws_plat_recommended_rsa_bits(void)
{
return 4096;
}