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 found\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_device_subsys_name(struct udev *udev)
159 struct udev_device *device;
161 printf("looking up device: 'block':'sda'\n");
162 device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
165 print_device(device);
166 udev_device_unref(device);
168 printf("looking up device: 'subsystem':'pci'\n");
169 device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
172 print_device(device);
173 udev_device_unref(device);
175 printf("looking up device: 'drivers':'scsi:sd'\n");
176 device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
179 print_device(device);
180 udev_device_unref(device);
182 printf("looking up device: 'module':'printk'\n");
183 device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
186 print_device(device);
187 udev_device_unref(device);
191 static int test_enumerate_print_list(struct udev_enumerate *enumerate)
193 struct udev_list_entry *list_entry;
196 udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
197 struct udev_device *device;
199 device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
200 udev_list_entry_get_name(list_entry));
201 if (device != NULL) {
202 printf("device: '%s' (%s)\n",
203 udev_device_get_syspath(device),
204 udev_device_get_subsystem(device));
205 udev_device_unref(device);
209 printf("found %i devices\n\n", count);
213 static int test_monitor(struct udev *udev, const char *socket_path)
215 struct udev_monitor *udev_monitor;
219 udev_monitor = udev_monitor_new_from_socket(udev, socket_path);
220 if (udev_monitor == NULL) {
221 printf("no socket\n");
224 if (udev_monitor_enable_receiving(udev_monitor) < 0) {
225 printf("bind failed\n");
229 fd = udev_monitor_get_fd(udev_monitor);
233 struct udev_device *device;
236 FD_SET(STDIN_FILENO, &readfds);
237 FD_SET(fd, &readfds);
239 printf("waiting for events on %s, press ENTER to exit\n", socket_path);
240 fdcount = select(fd+1, &readfds, NULL, NULL, NULL);
241 printf("select fd count: %i\n", fdcount);
243 if (FD_ISSET(fd, &readfds)) {
244 device = udev_monitor_receive_device(udev_monitor);
245 if (device == NULL) {
246 printf("no device from socket\n");
249 print_device(device);
250 udev_device_unref(device);
253 if (FD_ISSET(STDIN_FILENO, &readfds)) {
254 printf("exiting loop\n");
259 udev_monitor_unref(udev_monitor);
263 static int test_queue(struct udev *udev)
265 struct udev_queue *udev_queue;
266 unsigned long long int seqnum;
267 struct udev_list_entry *list_entry;
269 udev_queue = udev_queue_new(udev);
270 if (udev_queue == NULL)
272 seqnum = udev_queue_get_kernel_seqnum(udev_queue);
273 printf("seqnum kernel: %llu\n", seqnum);
274 seqnum = udev_queue_get_udev_seqnum(udev_queue);
275 printf("seqnum udev : %llu\n", seqnum);
277 if (udev_queue_get_queue_is_empty(udev_queue))
278 printf("queue is empty\n");
279 printf("get queue list\n");
280 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
281 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
283 printf("get queue list again\n");
284 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
285 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
287 printf("get failed list\n");
288 udev_list_entry_foreach(list_entry, udev_queue_get_failed_list_entry(udev_queue))
289 printf("failed: '%s'\n", udev_list_entry_get_name(list_entry));
292 list_entry = udev_queue_get_queued_list_entry(udev_queue);
293 if (list_entry != NULL) {
294 printf("event [%llu] is queued\n", seqnum);
295 seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
296 if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
297 printf("event [%llu] is not finished\n", seqnum);
299 printf("event [%llu] is finished\n", seqnum);
302 udev_queue_unref(udev_queue);
306 static int test_enumerate(struct udev *udev, const char *subsystem)
308 struct udev_enumerate *udev_enumerate;
310 printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
311 udev_enumerate = udev_enumerate_new(udev);
312 if (udev_enumerate == NULL)
314 udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
315 udev_enumerate_scan_devices(udev_enumerate);
316 test_enumerate_print_list(udev_enumerate);
317 udev_enumerate_unref(udev_enumerate);
319 printf("enumerate 'block'\n");
320 udev_enumerate = udev_enumerate_new(udev);
321 if (udev_enumerate == NULL)
323 udev_enumerate_add_match_subsystem(udev_enumerate,"block");
324 udev_enumerate_scan_devices(udev_enumerate);
325 test_enumerate_print_list(udev_enumerate);
326 udev_enumerate_unref(udev_enumerate);
328 printf("enumerate 'not block'\n");
329 udev_enumerate = udev_enumerate_new(udev);
330 if (udev_enumerate == NULL)
332 udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
333 udev_enumerate_scan_devices(udev_enumerate);
334 test_enumerate_print_list(udev_enumerate);
335 udev_enumerate_unref(udev_enumerate);
337 printf("enumerate 'pci, mem, vc'\n");
338 udev_enumerate = udev_enumerate_new(udev);
339 if (udev_enumerate == NULL)
341 udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
342 udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
343 udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
344 udev_enumerate_scan_devices(udev_enumerate);
345 test_enumerate_print_list(udev_enumerate);
346 udev_enumerate_unref(udev_enumerate);
348 printf("enumerate 'subsystem'\n");
349 udev_enumerate = udev_enumerate_new(udev);
350 if (udev_enumerate == NULL)
352 udev_enumerate_scan_subsystems(udev_enumerate);
353 test_enumerate_print_list(udev_enumerate);
354 udev_enumerate_unref(udev_enumerate);
358 int main(int argc, char *argv[])
360 struct udev *udev = NULL;
361 static const struct option options[] = {
362 { "syspath", required_argument, NULL, 'p' },
363 { "subsystem", required_argument, NULL, 's' },
364 { "socket", required_argument, NULL, 'S' },
365 { "debug", no_argument, NULL, 'd' },
366 { "help", no_argument, NULL, 'h' },
367 { "version", no_argument, NULL, 'V' },
370 const char *syspath = "/devices/virtual/mem/null";
371 const char *subsystem = NULL;
372 const char *socket = "@/org/kernel/udev/monitor";
377 printf("context: %p\n", udev);
379 printf("no context\n");
382 udev_set_log_fn(udev, log_fn);
383 printf("set log: %p\n", log_fn);
388 option = getopt_long(argc, argv, "+dhV", options, NULL);
403 if (udev_get_log_priority(udev) < LOG_INFO)
404 udev_set_log_priority(udev, LOG_INFO);
407 printf("--debug --syspath= --subsystem= --socket= --help\n");
410 printf("%s\n", VERSION);
417 str = udev_get_sys_path(udev);
418 printf("sys_path: '%s'\n", str);
419 str = udev_get_dev_path(udev);
420 printf("dev_path: '%s'\n", str);
422 /* add sys path if needed */
423 if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
424 snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
428 test_device(udev, syspath);
429 test_device_devnum(udev);
430 test_device_subsys_name(udev);
431 test_device_parents(udev, syspath);
433 test_enumerate(udev, subsystem);
437 test_monitor(udev, socket);