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_sysname(device);
57 printf("sysname: '%s'\n", str);
59 str = udev_device_get_sysnum(device);
61 printf("sysnum: '%s'\n", str);
63 str = udev_device_get_devpath(device);
64 printf("devpath: '%s'\n", str);
66 str = udev_device_get_subsystem(device);
68 printf("subsystem: '%s'\n", str);
70 str = udev_device_get_devtype(device);
72 printf("devtype: '%s'\n", str);
74 str = udev_device_get_driver(device);
76 printf("driver: '%s'\n", str);
78 str = udev_device_get_devnode(device);
80 printf("devname: '%s'\n", str);
82 devnum = udev_device_get_devnum(device);
83 if (major(devnum) > 0)
84 printf("devnum: %u:%u\n", major(devnum), minor(devnum));
87 udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
88 printf("link: '%s'\n", udev_list_entry_get_name(list_entry));
92 printf("found %i links\n", count);
95 udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
96 printf("property: '%s=%s'\n",
97 udev_list_entry_get_name(list_entry),
98 udev_list_entry_get_value(list_entry));
102 printf("found %i properties\n", count);
104 str = udev_device_get_property_value(device, "MAJOR");
106 printf("MAJOR: '%s'\n", str);
108 str = udev_device_get_sysattr_value(device, "dev");
110 printf("attr{dev}: '%s'\n", str);
115 static int test_device(struct udev *udev, const char *syspath)
117 struct udev_device *device;
119 printf("looking at device: %s\n", syspath);
120 device = udev_device_new_from_syspath(udev, syspath);
121 if (device == NULL) {
122 printf("no device found\n");
125 print_device(device);
126 udev_device_unref(device);
130 static int test_device_parents(struct udev *udev, const char *syspath)
132 struct udev_device *device;
133 struct udev_device *device_parent;
135 printf("looking at device: %s\n", syspath);
136 device = udev_device_new_from_syspath(udev, syspath);
140 printf("looking at parents\n");
141 device_parent = device;
143 print_device(device_parent);
144 device_parent = udev_device_get_parent(device_parent);
145 } while (device_parent != NULL);
147 printf("looking at parents again\n");
148 device_parent = device;
150 print_device(device_parent);
151 device_parent = udev_device_get_parent(device_parent);
152 } while (device_parent != NULL);
153 udev_device_unref(device);
158 static int test_device_devnum(struct udev *udev)
160 dev_t devnum = makedev(1, 3);
161 struct udev_device *device;
163 printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
164 device = udev_device_new_from_devnum(udev, 'c', devnum);
167 print_device(device);
168 udev_device_unref(device);
172 static int test_device_subsys_name(struct udev *udev)
174 struct udev_device *device;
176 printf("looking up device: 'block':'sda'\n");
177 device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
180 print_device(device);
181 udev_device_unref(device);
183 printf("looking up device: 'subsystem':'pci'\n");
184 device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
187 print_device(device);
188 udev_device_unref(device);
190 printf("looking up device: 'drivers':'scsi:sd'\n");
191 device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
194 print_device(device);
195 udev_device_unref(device);
197 printf("looking up device: 'module':'printk'\n");
198 device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
201 print_device(device);
202 udev_device_unref(device);
206 static int test_enumerate_print_list(struct udev_enumerate *enumerate)
208 struct udev_list_entry *list_entry;
211 udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
212 struct udev_device *device;
214 device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
215 udev_list_entry_get_name(list_entry));
216 if (device != NULL) {
217 printf("device: '%s' (%s)\n",
218 udev_device_get_syspath(device),
219 udev_device_get_subsystem(device));
220 udev_device_unref(device);
224 printf("found %i devices\n\n", count);
228 static int test_monitor(struct udev *udev, const char *socket_path)
230 struct udev_monitor *udev_monitor;
234 udev_monitor = udev_monitor_new_from_socket(udev, socket_path);
235 if (udev_monitor == NULL) {
236 printf("no socket\n");
239 if (udev_monitor_enable_receiving(udev_monitor) < 0) {
240 printf("bind failed\n");
244 fd = udev_monitor_get_fd(udev_monitor);
248 struct udev_device *device;
251 FD_SET(STDIN_FILENO, &readfds);
252 FD_SET(fd, &readfds);
254 printf("waiting for events on %s, press ENTER to exit\n", socket_path);
255 fdcount = select(fd+1, &readfds, NULL, NULL, NULL);
256 printf("select fd count: %i\n", fdcount);
258 if (FD_ISSET(fd, &readfds)) {
259 device = udev_monitor_receive_device(udev_monitor);
260 if (device == NULL) {
261 printf("no device from socket\n");
264 print_device(device);
265 udev_device_unref(device);
268 if (FD_ISSET(STDIN_FILENO, &readfds)) {
269 printf("exiting loop\n");
274 udev_monitor_unref(udev_monitor);
278 static int test_queue(struct udev *udev)
280 struct udev_queue *udev_queue;
281 unsigned long long int seqnum;
282 struct udev_list_entry *list_entry;
284 udev_queue = udev_queue_new(udev);
285 if (udev_queue == NULL)
287 seqnum = udev_queue_get_kernel_seqnum(udev_queue);
288 printf("seqnum kernel: %llu\n", seqnum);
289 seqnum = udev_queue_get_udev_seqnum(udev_queue);
290 printf("seqnum udev : %llu\n", seqnum);
292 if (udev_queue_get_queue_is_empty(udev_queue))
293 printf("queue is empty\n");
294 printf("get queue list\n");
295 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
296 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
298 printf("get queue list again\n");
299 udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
300 printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
302 printf("get failed list\n");
303 udev_list_entry_foreach(list_entry, udev_queue_get_failed_list_entry(udev_queue))
304 printf("failed: '%s'\n", udev_list_entry_get_name(list_entry));
307 list_entry = udev_queue_get_queued_list_entry(udev_queue);
308 if (list_entry != NULL) {
309 printf("event [%llu] is queued\n", seqnum);
310 seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
311 if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
312 printf("event [%llu] is not finished\n", seqnum);
314 printf("event [%llu] is finished\n", seqnum);
317 udev_queue_unref(udev_queue);
321 static int test_enumerate(struct udev *udev, const char *subsystem)
323 struct udev_enumerate *udev_enumerate;
325 printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
326 udev_enumerate = udev_enumerate_new(udev);
327 if (udev_enumerate == NULL)
329 udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
330 udev_enumerate_scan_devices(udev_enumerate);
331 test_enumerate_print_list(udev_enumerate);
332 udev_enumerate_unref(udev_enumerate);
334 printf("enumerate 'block'\n");
335 udev_enumerate = udev_enumerate_new(udev);
336 if (udev_enumerate == NULL)
338 udev_enumerate_add_match_subsystem(udev_enumerate,"block");
339 udev_enumerate_scan_devices(udev_enumerate);
340 test_enumerate_print_list(udev_enumerate);
341 udev_enumerate_unref(udev_enumerate);
343 printf("enumerate 'not block'\n");
344 udev_enumerate = udev_enumerate_new(udev);
345 if (udev_enumerate == NULL)
347 udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
348 udev_enumerate_scan_devices(udev_enumerate);
349 test_enumerate_print_list(udev_enumerate);
350 udev_enumerate_unref(udev_enumerate);
352 printf("enumerate 'pci, mem, vc'\n");
353 udev_enumerate = udev_enumerate_new(udev);
354 if (udev_enumerate == NULL)
356 udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
357 udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
358 udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
359 udev_enumerate_scan_devices(udev_enumerate);
360 test_enumerate_print_list(udev_enumerate);
361 udev_enumerate_unref(udev_enumerate);
363 printf("enumerate 'subsystem'\n");
364 udev_enumerate = udev_enumerate_new(udev);
365 if (udev_enumerate == NULL)
367 udev_enumerate_scan_subsystems(udev_enumerate);
368 test_enumerate_print_list(udev_enumerate);
369 udev_enumerate_unref(udev_enumerate);
371 printf("enumerate 'property IF_FS_*=filesystem'\n");
372 udev_enumerate = udev_enumerate_new(udev);
373 if (udev_enumerate == NULL)
375 udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
376 udev_enumerate_scan_devices(udev_enumerate);
377 test_enumerate_print_list(udev_enumerate);
378 udev_enumerate_unref(udev_enumerate);
382 int main(int argc, char *argv[])
384 struct udev *udev = NULL;
385 static const struct option options[] = {
386 { "syspath", required_argument, NULL, 'p' },
387 { "subsystem", required_argument, NULL, 's' },
388 { "socket", required_argument, NULL, 'S' },
389 { "debug", no_argument, NULL, 'd' },
390 { "help", no_argument, NULL, 'h' },
391 { "version", no_argument, NULL, 'V' },
394 const char *syspath = "/devices/virtual/mem/null";
395 const char *subsystem = NULL;
396 const char *socket = "@/org/kernel/udev/monitor";
401 printf("context: %p\n", udev);
403 printf("no context\n");
406 udev_set_log_fn(udev, log_fn);
407 printf("set log: %p\n", log_fn);
412 option = getopt_long(argc, argv, "+dhV", options, NULL);
427 if (udev_get_log_priority(udev) < LOG_INFO)
428 udev_set_log_priority(udev, LOG_INFO);
431 printf("--debug --syspath= --subsystem= --socket= --help\n");
434 printf("%s\n", VERSION);
441 str = udev_get_sys_path(udev);
442 printf("sys_path: '%s'\n", str);
443 str = udev_get_dev_path(udev);
444 printf("dev_path: '%s'\n", str);
446 /* add sys path if needed */
447 if (strncmp(syspath, udev_get_sys_path(udev), strlen(udev_get_sys_path(udev))) != 0) {
448 snprintf(path, sizeof(path), "%s%s", udev_get_sys_path(udev), syspath);
452 test_device(udev, syspath);
453 test_device_devnum(udev);
454 test_device_subsys_name(udev);
455 test_device_parents(udev, syspath);
457 test_enumerate(udev, subsystem);
461 test_monitor(udev, socket);