mirror of
https://github.com/moonlight-stream/moonlight-embedded.git
synced 2026-04-03 06:26:04 +00:00
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* This file is part of Moonlight Embedded.
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*
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* Copyright (C) 2015-2017 Iwan Timmer
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*
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* Moonlight is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* Moonlight is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Moonlight; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../loop.h"
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#include "udev.h"
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#include "evdev.h"
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#include <libudev.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <poll.h>
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static bool autoadd, debug;
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static struct mapping* defaultMappings;
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static struct udev *udev;
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static struct udev_monitor *udev_mon;
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static int udev_fd;
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static int udev_handle(int fd) {
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struct udev_device *dev = udev_monitor_receive_device(udev_mon);
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const char *action = udev_device_get_action(dev);
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if (action != NULL) {
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if (autoadd && strcmp("add", action) == 0) {
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const char *devnode = udev_device_get_devnode(dev);
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int id;
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if (devnode != NULL && sscanf(devnode, "/dev/input/event%d", &id) == 1) {
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evdev_create(devnode, defaultMappings, debug);
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}
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}
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udev_device_unref(dev);
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}
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return LOOP_OK;
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}
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void udev_init(bool autoload, struct mapping* mappings, bool verbose) {
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udev = udev_new();
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debug = verbose;
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if (!udev) {
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fprintf(stderr, "Can't create udev\n");
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exit(1);
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}
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autoadd = autoload;
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if (autoload) {
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struct udev_enumerate *enumerate = udev_enumerate_new(udev);
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udev_enumerate_add_match_subsystem(enumerate, "input");
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udev_enumerate_scan_devices(enumerate);
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struct udev_list_entry *devices = udev_enumerate_get_list_entry(enumerate);
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struct udev_list_entry *dev_list_entry;
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udev_list_entry_foreach(dev_list_entry, devices) {
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const char *path = udev_list_entry_get_name(dev_list_entry);
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struct udev_device *dev = udev_device_new_from_syspath(udev, path);
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const char *devnode = udev_device_get_devnode(dev);
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int id;
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if (devnode != NULL && sscanf(devnode, "/dev/input/event%d", &id) == 1) {
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evdev_create(devnode, mappings, verbose);
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}
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udev_device_unref(dev);
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}
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udev_enumerate_unref(enumerate);
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}
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udev_mon = udev_monitor_new_from_netlink(udev, "udev");
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udev_monitor_filter_add_match_subsystem_devtype(udev_mon, "input", NULL);
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udev_monitor_enable_receiving(udev_mon);
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defaultMappings = mappings;
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int udev_fd = udev_monitor_get_fd(udev_mon);
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loop_add_fd(udev_fd, &udev_handle, POLLIN);
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}
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void evdev_destroy() {
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udev_unref(udev);
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}
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