]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * test-libudev | |
3 | * | |
4 | * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "config.h" | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <stdarg.h> | |
24 | #include "libudev.h" | |
25 | ||
26 | static void log_fn(struct udev *udev, | |
27 | int priority, const char *file, int line, const char *fn, | |
28 | const char *format, va_list args) | |
29 | { | |
30 | printf("test-libudev: %s %s:%d ", fn, file, line); | |
31 | vprintf(format, args); | |
32 | } | |
33 | ||
34 | static int devlinks_cb(struct udev_device *udev_device, const char *value, void *data) | |
35 | { | |
36 | printf("link: %s\n", value); | |
37 | return 0; | |
38 | } | |
39 | ||
40 | static int devices_enum_cb(struct udev *udev, | |
41 | const char *devpath, const char *subsystem, const char *name, | |
42 | void *data) | |
43 | { | |
44 | printf("device: %s (%s) %s\n", devpath, subsystem, name); | |
45 | return 0; | |
46 | } | |
47 | ||
48 | static int properties_cb(struct udev_device *udev_device, const char *key, const char *value, void *data) | |
49 | { | |
50 | printf("property: %s=%s\n", key, value); | |
51 | return 0; | |
52 | } | |
53 | ||
54 | int main(int argc, char *argv[], char *envp[]) | |
55 | { | |
56 | struct udev *udev; | |
57 | struct udev_device *device; | |
58 | const char *str; | |
59 | const char *devpath = "/devices/virtual/mem/null"; | |
60 | const char *subsystem = NULL; | |
61 | ||
62 | if (argv[1] != NULL) { | |
63 | devpath = argv[1]; | |
64 | if (argv[2] != NULL) | |
65 | subsystem = argv[2]; | |
66 | } | |
67 | ||
68 | udev = udev_new(); | |
69 | printf("context: %p\n", udev); | |
70 | if (udev == NULL) { | |
71 | printf("no context\n"); | |
72 | return 1; | |
73 | } | |
74 | udev_set_log_fn(udev, log_fn); | |
75 | printf("set log: %p\n", log_fn); | |
76 | ||
77 | str = udev_get_sys_path(udev); | |
78 | printf("sys_path: %s\n", str); | |
79 | str = udev_get_dev_path(udev); | |
80 | printf("dev_path: %s\n", str); | |
81 | ||
82 | printf("looking at device: %s\n", devpath); | |
83 | device = udev_device_new_from_devpath(udev, devpath); | |
84 | printf("device: %p\n", device); | |
85 | if (device == NULL) { | |
86 | printf("no device\n"); | |
87 | return 1; | |
88 | } | |
89 | str = udev_device_get_devpath(device); | |
90 | printf("devpath: %s\n", str); | |
91 | str = udev_device_get_subsystem(device); | |
92 | printf("subsystem: %s\n", str); | |
93 | str = udev_device_get_devname(device); | |
94 | printf("devname: %s\n", str); | |
95 | udev_device_get_devlinks(device, devlinks_cb, NULL); | |
96 | udev_device_get_properties(device, properties_cb, NULL); | |
97 | udev_device_unref(device); | |
98 | ||
99 | if (subsystem == NULL) | |
100 | printf("enumerating devices from all subsystems\n"); | |
101 | else | |
102 | printf("enumerating devices from subsystem: %s\n", subsystem); | |
103 | udev_devices_enumerate(udev, subsystem, devices_enum_cb, NULL); | |
104 | ||
105 | udev_unref(udev); | |
106 | return 0; | |
107 | } |