81 lines
2.4 KiB
C
81 lines
2.4 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_pipe(struct lws_context_per_thread *pt, struct lws *wsi,
|
|
struct lws_pollfd *pollfd)
|
|
{
|
|
#if !defined(WIN32) && !defined(_WIN32)
|
|
char s[100];
|
|
int n;
|
|
|
|
/*
|
|
* discard the byte(s) that signaled us
|
|
* We really don't care about the number of bytes, but coverity
|
|
* thinks we should.
|
|
*/
|
|
n = read(wsi->desc.sockfd, s, sizeof(s));
|
|
(void)n;
|
|
if (n < 0)
|
|
return LWS_HPI_RET_PLEASE_CLOSE_ME;
|
|
#endif
|
|
/*
|
|
* the poll() wait, or the event loop for libuv etc is a
|
|
* process-wide resource that we interrupted. So let every
|
|
* protocol that may be interested in the pipe event know that
|
|
* it happened.
|
|
*/
|
|
if (lws_broadcast(wsi->context, LWS_CALLBACK_EVENT_WAIT_CANCELLED,
|
|
NULL, 0)) {
|
|
lwsl_info("closed in event cancel\n");
|
|
return LWS_HPI_RET_PLEASE_CLOSE_ME;
|
|
}
|
|
|
|
return LWS_HPI_RET_HANDLED;
|
|
}
|
|
|
|
struct lws_role_ops role_ops_pipe = {
|
|
/* role name */ "pipe",
|
|
/* 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_pipe,
|
|
/* 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,
|
|
/* writeable cb clnt, srv */ { 0, 0 },
|
|
/* close cb clnt, srv */ { 0, 0 },
|
|
/* file_handle */ 1,
|
|
};
|