109 lines
3.3 KiB
C
109 lines
3.3 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
|
|
*/
|
|
|
|
#include <core/private.h>
|
|
|
|
static int
|
|
rops_handle_POLLIN_raw_file(struct lws_context_per_thread *pt, struct lws *wsi,
|
|
struct lws_pollfd *pollfd)
|
|
{
|
|
int n;
|
|
|
|
if (pollfd->revents & LWS_POLLOUT) {
|
|
n = lws_callback_as_writeable(wsi);
|
|
if (lws_change_pollfd(wsi, LWS_POLLOUT, 0)) {
|
|
lwsl_info("failed at set pollfd\n");
|
|
return LWS_HPI_RET_WSI_ALREADY_DIED;
|
|
}
|
|
if (n)
|
|
return LWS_HPI_RET_PLEASE_CLOSE_ME;
|
|
}
|
|
|
|
if (pollfd->revents & LWS_POLLIN) {
|
|
if (user_callback_handle_rxflow(wsi->protocol->callback,
|
|
wsi, LWS_CALLBACK_RAW_RX_FILE,
|
|
wsi->user_space, NULL, 0)) {
|
|
lwsl_debug("raw rx callback closed it\n");
|
|
return LWS_HPI_RET_PLEASE_CLOSE_ME;
|
|
}
|
|
}
|
|
|
|
if (pollfd->revents & LWS_POLLHUP)
|
|
return LWS_HPI_RET_PLEASE_CLOSE_ME;
|
|
|
|
return LWS_HPI_RET_HANDLED;
|
|
}
|
|
|
|
#if !defined(LWS_NO_SERVER)
|
|
static int
|
|
rops_adoption_bind_raw_file(struct lws *wsi, int type, const char *vh_prot_name)
|
|
{
|
|
/* no socket or http: it can only be a raw file */
|
|
if ((type & LWS_ADOPT_HTTP) || (type & LWS_ADOPT_SOCKET) ||
|
|
(type & _LWS_ADOPT_FINISH))
|
|
return 0; /* no match */
|
|
|
|
lws_role_transition(wsi, 0, LRS_ESTABLISHED, &role_ops_raw_file);
|
|
|
|
if (!vh_prot_name)
|
|
wsi->protocol = &wsi->vhost->protocols[
|
|
wsi->vhost->default_protocol_index];
|
|
|
|
return 1; /* bound */
|
|
}
|
|
#endif
|
|
|
|
struct lws_role_ops role_ops_raw_file = {
|
|
/* role name */ "raw-file",
|
|
/* alpn id */ NULL,
|
|
/* check_upgrades */ NULL,
|
|
/* init_context */ NULL,
|
|
/* init_vhost */ NULL,
|
|
/* destroy_vhost */ NULL,
|
|
/* periodic_checks */ NULL,
|
|
/* service_flag_pending */ NULL,
|
|
/* handle_POLLIN */ rops_handle_POLLIN_raw_file,
|
|
/* handle_POLLOUT */ NULL,
|
|
/* perform_user_POLLOUT */ NULL,
|
|
/* callback_on_writable */ NULL,
|
|
/* tx_credit */ NULL,
|
|
/* write_role_protocol */ NULL,
|
|
/* encapsulation_parent */ NULL,
|
|
/* alpn_negotiated */ NULL,
|
|
/* close_via_role_protocol */ NULL,
|
|
/* close_role */ NULL,
|
|
/* close_kill_connection */ NULL,
|
|
/* destroy_role */ NULL,
|
|
#if !defined(LWS_NO_SERVER)
|
|
/* adoption_bind */ rops_adoption_bind_raw_file,
|
|
#else
|
|
NULL,
|
|
#endif
|
|
/* client_bind */ NULL,
|
|
/* writeable cb clnt, srv */ { LWS_CALLBACK_RAW_WRITEABLE_FILE, 0 },
|
|
/* close cb clnt, srv */ { LWS_CALLBACK_RAW_CLOSE_FILE, 0 },
|
|
/* protocol_bind cb c, srv */ { LWS_CALLBACK_RAW_FILE_BIND_PROTOCOL,
|
|
LWS_CALLBACK_RAW_FILE_BIND_PROTOCOL },
|
|
/* protocol_unbind cb c, srv */ { LWS_CALLBACK_RAW_FILE_DROP_PROTOCOL,
|
|
LWS_CALLBACK_RAW_FILE_DROP_PROTOCOL },
|
|
/* file_handle */ 1,
|
|
};
|