mirror of
https://gitlab.freedesktop.org/libinput/libei.git
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ac16ba77ff
Once we get the fd, fork off ei-debug-events for that fd so we can debug what the EIS implementation actually sends us.
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/* A simple tool that connects to an EIS implementation via the RemoteDesktop
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* portal using liboeffis
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*/
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#include "config.h"
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#include <assert.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <signal.h>
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#include <sys/poll.h>
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#include "src/util-macros.h"
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#include "src/util-mem.h"
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#include "src/util-io.h"
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#include "liboeffis.h"
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#ifndef MESON_BUILDDIR
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#error MESON_BUILDDIR must be defined
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#endif
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DEFINE_UNREF_CLEANUP_FUNC(oeffis);
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static bool stop = false;
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static void sighandler(int signal) {
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stop = true;
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}
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static void start_debug_events(int fd)
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{
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pid_t pid = fork();
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assert(pid != -1);
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if (pid == 0) {
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_cleanup_free_ char *fdstr = xaprintf("%d", fd);
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execl(MESON_BUILDDIR "/ei-debug-events",
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"ei-debug-events",
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"--socketfd", fdstr, NULL);
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fprintf(stderr, "Failed to fork: %m\n");
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exit(1);
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}
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}
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int main(int argc, char **argv)
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{
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_unref_(oeffis) *oeffis = oeffis_new(NULL);
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signal(SIGINT, sighandler);
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struct pollfd fds = {
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.fd = oeffis_get_fd(oeffis),
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.events = POLLIN,
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.revents = 0,
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};
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oeffis_create_session(oeffis, OEFFIS_DEVICE_POINTER|OEFFIS_DEVICE_KEYBOARD);
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while (!stop && poll(&fds, 1, 1000) > -1) {
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oeffis_dispatch(oeffis);
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enum oeffis_event_type e = oeffis_get_event(oeffis);
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switch (e) {
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case OEFFIS_EVENT_NONE:
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break;
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case OEFFIS_EVENT_CONNECTED_TO_EIS: {
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_cleanup_close_ int eisfd = oeffis_get_eis_fd(oeffis);
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printf("# We have an eisfd: lucky number %d\n", eisfd);
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/* Note: unless we get closed/disconnected, we are
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* started now, or will be once the compositor is
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* happy with it.
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*
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* We still need to keep dispatching events though
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* to be able to receive the Session.Closed signal
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* or any disconnections. And we must keep the
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* oeffis context alive - once the context is
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* destroyed we disconnect from DBus which will
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* cause the compositor or the portal to invalidate
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* our EIS fd.
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*/
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start_debug_events(eisfd);
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break;
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}
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case OEFFIS_EVENT_DISCONNECTED:
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fprintf(stderr, "Disconnected: %s\n", oeffis_get_error_message(oeffis));
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stop = true;
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break;
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case OEFFIS_EVENT_CLOSED:
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printf("Closing\n");
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stop = true;
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break;
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}
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}
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return 0;
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}
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