1/*
2 Simple DirectMedia Layer
3 Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
4
5 This software is provided 'as-is', without any express or implied
6 warranty. In no event will the authors be held liable for any damages
7 arising from the use of this software.
8
9 Permission is granted to anyone to use this software for any purpose,
10 including commercial applications, and to alter it and redistribute it
11 freely, subject to the following restrictions:
12
13 1. The origin of this software must not be misrepresented; you must not
14 claim that you wrote the original software. If you use this software
15 in a product, an acknowledgment in the product documentation would be
16 appreciated but is not required.
17 2. Altered source versions must be plainly marked as such, and must not be
18 misrepresented as being the original software.
19 3. This notice may not be removed or altered from any source distribution.
20*/
21
22#include "../../SDL_internal.h"
23
24#ifndef SDL_udev_h_
25#define SDL_udev_h_
26
27#if HAVE_LIBUDEV_H
28
29#ifndef SDL_USE_LIBUDEV
30#define SDL_USE_LIBUDEV 1
31#endif
32
33#include "SDL_loadso.h"
34#include "SDL_events.h"
35#include <libudev.h>
36#include <sys/time.h>
37#include <sys/types.h>
38
39/**
40 * \brief Device type
41 */
42
43typedef enum
44{
45 SDL_UDEV_DEVICEADDED = 1,
46 SDL_UDEV_DEVICEREMOVED
47} SDL_UDEV_deviceevent;
48
49typedef void (*SDL_UDEV_Callback)(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath);
50
51typedef struct SDL_UDEV_CallbackList {
52 SDL_UDEV_Callback callback;
53 struct SDL_UDEV_CallbackList *next;
54} SDL_UDEV_CallbackList;
55
56typedef struct SDL_UDEV_Symbols {
57 const char *(*udev_device_get_action)(struct udev_device *);
58 const char *(*udev_device_get_devnode)(struct udev_device *);
59 const char *(*udev_device_get_subsystem)(struct udev_device *);
60 struct udev_device *(*udev_device_get_parent_with_subsystem_devtype)(struct udev_device *udev_device, const char *subsystem, const char *devtype);
61 const char *(*udev_device_get_property_value)(struct udev_device *, const char *);
62 const char *(*udev_device_get_sysattr_value)(struct udev_device *udev_device, const char *sysattr);
63 struct udev_device *(*udev_device_new_from_syspath)(struct udev *, const char *);
64 void (*udev_device_unref)(struct udev_device *);
65 int (*udev_enumerate_add_match_property)(struct udev_enumerate *, const char *, const char *);
66 int (*udev_enumerate_add_match_subsystem)(struct udev_enumerate *, const char *);
67 struct udev_list_entry *(*udev_enumerate_get_list_entry)(struct udev_enumerate *);
68 struct udev_enumerate *(*udev_enumerate_new)(struct udev *);
69 int (*udev_enumerate_scan_devices)(struct udev_enumerate *);
70 void (*udev_enumerate_unref)(struct udev_enumerate *);
71 const char *(*udev_list_entry_get_name)(struct udev_list_entry *);
72 struct udev_list_entry *(*udev_list_entry_get_next)(struct udev_list_entry *);
73 int (*udev_monitor_enable_receiving)(struct udev_monitor *);
74 int (*udev_monitor_filter_add_match_subsystem_devtype)(struct udev_monitor *, const char *, const char *);
75 int (*udev_monitor_get_fd)(struct udev_monitor *);
76 struct udev_monitor *(*udev_monitor_new_from_netlink)(struct udev *, const char *);
77 struct udev_device *(*udev_monitor_receive_device)(struct udev_monitor *);
78 void (*udev_monitor_unref)(struct udev_monitor *);
79 struct udev *(*udev_new)(void);
80 void (*udev_unref)(struct udev *);
81 struct udev_device * (*udev_device_new_from_devnum)(struct udev *udev, char type, dev_t devnum);
82 dev_t (*udev_device_get_devnum) (struct udev_device *udev_device);
83} SDL_UDEV_Symbols;
84
85typedef struct SDL_UDEV_PrivateData
86{
87 const char *udev_library;
88 void *udev_handle;
89 struct udev *udev;
90 struct udev_monitor *udev_mon;
91 int ref_count;
92 SDL_UDEV_CallbackList *first, *last;
93
94 /* Function pointers */
95 SDL_UDEV_Symbols syms;
96} SDL_UDEV_PrivateData;
97
98extern int SDL_UDEV_Init(void);
99extern void SDL_UDEV_Quit(void);
100extern void SDL_UDEV_UnloadLibrary(void);
101extern int SDL_UDEV_LoadLibrary(void);
102extern void SDL_UDEV_Poll(void);
103extern void SDL_UDEV_Scan(void);
104extern int SDL_UDEV_AddCallback(SDL_UDEV_Callback cb);
105extern void SDL_UDEV_DelCallback(SDL_UDEV_Callback cb);
106extern const SDL_UDEV_Symbols *SDL_UDEV_GetUdevSyms(void);
107extern void SDL_UDEV_ReleaseUdevSyms(void);
108
109
110#endif /* HAVE_LIBUDEV_H */
111
112#endif /* SDL_udev_h_ */
113
114/* vi: set ts=4 sw=4 expandtab: */
115