diff options
Diffstat (limited to 'thirdparty/libwebsockets/roles/pipe/ops-pipe.c')
-rw-r--r-- | thirdparty/libwebsockets/roles/pipe/ops-pipe.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/thirdparty/libwebsockets/roles/pipe/ops-pipe.c b/thirdparty/libwebsockets/roles/pipe/ops-pipe.c new file mode 100644 index 0000000000..b9348d58d7 --- /dev/null +++ b/thirdparty/libwebsockets/roles/pipe/ops-pipe.c @@ -0,0 +1,81 @@ +/* + * 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, +}; |