4 * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
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.
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.
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/>.
29 #include <sys/select.h>
33 static void log_fn(struct udev *udev,
34 int priority, const char *file, int line, const char *fn,
35 const char *format, va_list args)
37 printf("test-libudev: %s %s:%d ", fn, file, line);
38 vprintf(format, args);
41 static void print_device(struct udev_device *device)
46 struct udev_list_entry *list_entry;
48 printf("*** device: %p ***\n", device);
49 str = udev_device_get_action(device);
51 printf("action: '%s'\n", str);
53 str = udev_device_get_syspath(device);
54 printf("syspath: '%s'\n", str);
56 str = udev_device_get_devpath(device);
57 printf("devpath: '%s'\n", str);
59 str = udev_device_get_subsystem(device);
61 printf("subsystem: '%s'\n", str);
63 str = udev_device_get_driver(device);
65 printf("driver: '%s'\n", str);
67 str = udev_device_get_devnode(device);
69 printf("devname: '%s'\n", str);
71 devnum = udev_device_get_devnum(device);
72 if (major(devnum) > 0)
73 printf("devnum: %u:%u\n", major(devnum), minor(devnum));
76 udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
77 printf("link: '%s'\n", udev_list_entry_get_name(list_entry));
81 printf("found %i links\n", count);
84 udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
85 printf("property: '%s=%s'\n",
86 udev_list_entry_get_name(list_entry),
87 udev_list_entry_get_value(list_entry));
91 printf("found %i properties\n", count);
93 str = udev_device_get_attr_value(device, "dev");
95 printf("attr{dev}: '%s'\n", str);
100 static int test_device(struct udev *udev, const char *syspath)
102 struct udev_device *device;
104 printf("looking at device: %s\n", syspath);
105 device = udev_device_new_from_syspath(udev, syspath);
106 if (device == NULL) {
107 printf("no device\n");
110 print_device(device);
111 udev_device_unref(device);
115 static int test_device_parents(struct udev *udev, const char *syspath)
117 struct udev_device *device;
118 struct udev_device *device_parent;
120 printf("looking at device: %s\n", syspath);
121 device = udev_device_new_from_syspath(udev, syspath);
125 printf("looking at parents\n");
126 device_parent = device;
128 print_device(device_parent);
129 device_parent = udev_device_get_parent(device_parent);
130 } while (device_parent != NULL);
132 printf("looking at parents again\n");
133 device_parent = device;
135 print_device(device_parent);
136 device_parent = udev_device_get_parent(device_parent);
137 } while (device_parent != NULL);
138 udev_device_unref(device);
143 static int test_device_devnum(struct udev *udev)
145 dev_t devnum = makedev(1, 3);
146 struct udev_device *device;
148 printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
149 device = udev_device_new_from_devnum(udev, 'c', devnum);
152 print_device(device);
153 udev_device_unref(device);
157 static int test_enumerate_print_list(struct udev_enumerate *enumerate)
159 struct udev_list_entry *list_entry;
162 udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
163 struct udev_device *device;
165 device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
166 udev_list_entry_get_name(list_entry));
167 if (device != NULL) {
168 printf("device: '%s' (%s)\n",
169 udev_device_get_syspath(device),
170 udev_device_get_subsystem(device));
171 udev_device_unref(device);
175 printf("found %i devices\n\n", count);
179 static int test_monitor(struct udev *udev, const char *socket_path)
181 struct udev_monitor *udev_monitor;
185 udev_monitor = udev_monitor_new_from_socket(udev, socket_path);
186 if (udev_monitor == NULL) {
187 printf("no socket\n");
190 if (udev_monitor_enable_receiving(udev_monitor) < 0) {
191 printf("bind failed\n");
195 fd = udev_monitor_get_fd(udev_monitor);
199 struct udev_device *device;
202 FD_SET(STDIN_FILENO, &readfds);
203 FD_SET(fd, &readfds);
205 printf("waiting for events on %s, press ENTER to exit\n", socket_path);
206 fdcount = select(fd+1, &readfds, NULL, NULL, NULL);
207 printf("select fd count: %i\n", fdcount);
209 if (FD_ISSET(fd, &readfds)) {
210 device = udev_monitor_receive_device(udev_monitor);
211 if (device == NULL) {
212 printf("no device from socket\n");
215 print_device(device);
216 udev_device_unref(device);
219 if (FD_ISSET(STDIN_FILENO, &readfds)) {
220 printf("exiting loop\n");
225 udev_monitor_unref(udev_monitor);
229 static int test_queue(struct udev *udev)
231 struct udev_queue *udev_queue;
232 unsigned long long int seqnum;
233 struct udev_list_entry *list_entry;
235 udev_queue = udev_queue_new(udev);
236 if (udev_queue == NULL)
238 seqnum = udev_queue_get_kernel_seqnum(udev_queue);
239 printf("seqnum kernel: %llu\n", seqnum);
240 seqnum = udev_queue_get_udev_seqnum(udev_queue);
241 printf("seqnum udev : %llu\n", seqnum);
243 if (udev_queue_get_queue_is_empty(udev_queue))
244 printf("queue is empty\n");
245 printf("get queue list\n");
246 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
247 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
249 printf("get queue list again\n");
250 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
251 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
253 printf("get failed list\n");
254 udev_list_entry_foreach(list_entry, udev_queue_get_failed_list_entry(udev_queue))
255 printf("failed: '%s'\n", udev_list_entry_get_name(list_entry));
258 list_entry = udev_queue_get_queued_list_entry(udev_queue);
259 if (list_entry != NULL) {
260 printf("event [%llu] is queued\n", seqnum);
261 seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
262 if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
263 printf("event [%llu] is not finished\n", seqnum);
265 printf("event [%llu] is finished\n", seqnum);
268 udev_queue_unref(udev_queue);
272 int main(int argc, char *argv[], char *envp[])
274 struct udev *udev = NULL;
275 static const struct option options[] = {
276 { "syspath", 1, NULL, 'p' },
277 { "subsystem", 1, NULL, 's' },
278 { "socket", 1, NULL, 'S' },
279 { "debug", 0, NULL, 'd' },
280 { "help", 0, NULL, 'h' },
281 { "version", 0, NULL, 'V' },
284 struct udev_enumerate *udev_enumerate;
285 const char *syspath = "/devices/virtual/mem/null";
286 const char *subsystem = NULL;
287 const char *socket = "@/org/kernel/udev/monitor";
292 printf("context: %p\n", udev);
294 printf("no context\n");
297 udev_set_log_fn(udev, log_fn);
298 printf("set log: %p\n", log_fn);
303 option = getopt_long(argc, argv, "+dhV", options, NULL);
318 if (udev_get_log_priority(udev) < LOG_INFO)
319 udev_set_log_priority(udev, LOG_INFO);
322 printf("--debug --syspath= --subsystem= --socket= --help\n");
325 printf("%s\n", VERSION);
332 str = udev_get_sys_path(udev);
333 printf("sys_path: '%s'\n", str);
334 str = udev_get_dev_path(udev);
335 printf("dev_path: '%s'\n", str);
337 /* add sys path if needed */
338 if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
339 snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
343 test_device(udev, syspath);
344 test_device_devnum(udev);
345 test_device_parents(udev, syspath);
347 printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
348 udev_enumerate = udev_enumerate_new(udev);
349 if (udev_enumerate == NULL)
351 udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
352 udev_enumerate_scan_devices(udev_enumerate);
353 test_enumerate_print_list(udev_enumerate);
354 udev_enumerate_unref(udev_enumerate);
356 printf("enumerate 'block'\n");
357 udev_enumerate = udev_enumerate_new(udev);
358 if (udev_enumerate == NULL)
360 udev_enumerate_add_match_subsystem(udev_enumerate,"block");
361 udev_enumerate_scan_devices(udev_enumerate);
362 test_enumerate_print_list(udev_enumerate);
363 udev_enumerate_unref(udev_enumerate);
365 printf("enumerate 'not block'\n");
366 udev_enumerate = udev_enumerate_new(udev);
367 if (udev_enumerate == NULL)
369 udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
370 udev_enumerate_scan_devices(udev_enumerate);
371 test_enumerate_print_list(udev_enumerate);
372 udev_enumerate_unref(udev_enumerate);
374 printf("enumerate 'pci, mem, vc'\n");
375 udev_enumerate = udev_enumerate_new(udev);
376 if (udev_enumerate == NULL)
378 udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
379 udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
380 udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
381 udev_enumerate_scan_devices(udev_enumerate);
382 test_enumerate_print_list(udev_enumerate);
383 udev_enumerate_unref(udev_enumerate);
385 printf("enumerate 'subsystem'\n");
386 udev_enumerate = udev_enumerate_new(udev);
387 if (udev_enumerate == NULL)
389 udev_enumerate_scan_subsystems(udev_enumerate);
390 test_enumerate_print_list(udev_enumerate);
391 udev_enumerate_unref(udev_enumerate);
395 test_monitor(udev, socket);