virtualx-engine/thirdparty/libwebsockets/lib/plat/unix/unix-init.c

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/*
* 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"
#include <pwd.h>
#include <grp.h>
#ifdef LWS_WITH_PLUGINS
#include <dlfcn.h>
#endif
#include <dirent.h>
int
lws_plat_init(struct lws_context *context,
const struct lws_context_creation_info *info)
{
int fd;
/* master context has the global fd lookup array */
context->lws_lookup = lws_zalloc(sizeof(struct lws *) *
context->max_fds, "lws_lookup");
if (context->lws_lookup == NULL) {
lwsl_err("OOM on lws_lookup array for %d connections\n",
context->max_fds);
return 1;
}
lwsl_info(" mem: platform fd map: %5lu bytes\n",
(unsigned long)(sizeof(struct lws *) * context->max_fds));
fd = lws_open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
context->fd_random = fd;
if (context->fd_random < 0) {
lwsl_err("Unable to open random device %s %d\n",
SYSTEM_RANDOM_FILEPATH, context->fd_random);
return 1;
}
#ifdef LWS_WITH_PLUGINS
if (info->plugin_dirs && (context->options & LWS_SERVER_OPTION_LIBUV))
lws_plat_plugins_init(context, info->plugin_dirs);
#endif
return 0;
}
int
lws_plat_context_early_init(void)
{
#if !defined(LWS_AVOID_SIGPIPE_IGN)
signal(SIGPIPE, SIG_IGN);
#endif
return 0;
}
void
lws_plat_context_early_destroy(struct lws_context *context)
{
}
void
lws_plat_context_late_destroy(struct lws_context *context)
{
#ifdef LWS_WITH_PLUGINS
if (context->plugin_list)
lws_plat_plugins_destroy(context);
#endif
if (context->lws_lookup)
lws_free(context->lws_lookup);
if (!context->fd_random)
lwsl_err("ZERO RANDOM FD\n");
if (context->fd_random != LWS_INVALID_FILE)
close(context->fd_random);
}