*
* Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
*
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*/
#include <stdio.h>
#include <stdarg.h>
+#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <getopt.h>
#include <syslog.h>
+#include <fcntl.h>
#include <sys/select.h>
#include "libudev.h"
vprintf(format, args);
}
-static int print_devlinks_cb(struct udev_device *udev_device, const char *value, void *data)
-{
- printf("link: '%s'\n", value);
- return 0;
-}
-
-static int print_properties_cb(struct udev_device *udev_device, const char *key, const char *value, void *data)
-{
- printf("property: '%s=%s'\n", key, value);
- return 0;
-}
-
static void print_device(struct udev_device *device)
{
const char *str;
+ dev_t devnum;
int count;
+ struct udev_list_entry *list_entry;
printf("*** device: %p ***\n", device);
str = udev_device_get_action(device);
- printf("action: '%s'\n", str);
+ if (str != NULL)
+ printf("action: '%s'\n", str);
+
str = udev_device_get_syspath(device);
printf("syspath: '%s'\n", str);
+
+ str = udev_device_get_sysname(device);
+ printf("sysname: '%s'\n", str);
+
+ str = udev_device_get_sysnum(device);
+ if (str != NULL)
+ printf("sysnum: '%s'\n", str);
+
str = udev_device_get_devpath(device);
printf("devpath: '%s'\n", str);
+
str = udev_device_get_subsystem(device);
- printf("subsystem: '%s'\n", str);
+ if (str != NULL)
+ printf("subsystem: '%s'\n", str);
+
+ str = udev_device_get_devtype(device);
+ if (str != NULL)
+ printf("devtype: '%s'\n", str);
+
str = udev_device_get_driver(device);
- printf("driver: '%s'\n", str);
+ if (str != NULL)
+ printf("driver: '%s'\n", str);
+
str = udev_device_get_devnode(device);
- printf("devname: '%s'\n", str);
- count = udev_device_get_devlinks(device, print_devlinks_cb, NULL);
- printf("found %i links\n", count);
- count = udev_device_get_properties(device, print_properties_cb, NULL);
- printf("found %i properties\n", count);
+ if (str != NULL)
+ printf("devname: '%s'\n", str);
+
+ devnum = udev_device_get_devnum(device);
+ if (major(devnum) > 0)
+ printf("devnum: %u:%u\n", major(devnum), minor(devnum));
+
+ count = 0;
+ udev_list_entry_foreach(list_entry, udev_device_get_devlinks_list_entry(device)) {
+ printf("link: '%s'\n", udev_list_entry_get_name(list_entry));
+ count++;
+ }
+ if (count > 0)
+ printf("found %i links\n", count);
+
+ count = 0;
+ udev_list_entry_foreach(list_entry, udev_device_get_properties_list_entry(device)) {
+ printf("property: '%s=%s'\n",
+ udev_list_entry_get_name(list_entry),
+ udev_list_entry_get_value(list_entry));
+ count++;
+ }
+ if (count > 0)
+ printf("found %i properties\n", count);
+
+ str = udev_device_get_property_value(device, "MAJOR");
+ if (str != NULL)
+ printf("MAJOR: '%s'\n", str);
+
+ str = udev_device_get_sysattr_value(device, "dev");
+ if (str != NULL)
+ printf("attr{dev}: '%s'\n", str);
+
printf("\n");
}
printf("looking at device: %s\n", syspath);
device = udev_device_new_from_syspath(udev, syspath);
if (device == NULL) {
- printf("no device\n");
+ printf("no device found\n");
return -1;
}
print_device(device);
if (device == NULL)
return -1;
+ printf("looking at parents\n");
device_parent = device;
do {
print_device(device_parent);
device_parent = udev_device_get_parent(device_parent);
} while (device_parent != NULL);
+ printf("looking at parents again\n");
device_parent = device;
do {
print_device(device_parent);
return 0;
}
-static int devices_enum_cb(struct udev_device *device, void *data)
+static int test_device_devnum(struct udev *udev)
{
- printf("device: '%s' (%s) '%s'\n",
- udev_device_get_syspath(device),
- udev_device_get_subsystem(device),
- udev_device_get_sysname(device));
+ dev_t devnum = makedev(1, 3);
+ struct udev_device *device;
+
+ printf("looking up device: %u:%u\n", major(devnum), minor(devnum));
+ device = udev_device_new_from_devnum(udev, 'c', devnum);
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
return 0;
}
-static int test_enumerate(struct udev *udev, const char *subsystem)
+static int test_device_subsys_name(struct udev *udev)
{
- int count;
+ struct udev_device *device;
+
+ printf("looking up device: 'block':'sda'\n");
+ device = udev_device_new_from_subsystem_sysname(udev, "block", "sda");
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
+
+ printf("looking up device: 'subsystem':'pci'\n");
+ device = udev_device_new_from_subsystem_sysname(udev, "subsystem", "pci");
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
+
+ printf("looking up device: 'drivers':'scsi:sd'\n");
+ device = udev_device_new_from_subsystem_sysname(udev, "drivers", "scsi:sd");
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
+
+ printf("looking up device: 'module':'printk'\n");
+ device = udev_device_new_from_subsystem_sysname(udev, "module", "printk");
+ if (device == NULL)
+ return -1;
+ print_device(device);
+ udev_device_unref(device);
+ return 0;
+}
+
+static int test_enumerate_print_list(struct udev_enumerate *enumerate)
+{
+ struct udev_list_entry *list_entry;
+ int count = 0;
- count = udev_enumerate_devices(udev, subsystem, devices_enum_cb, NULL);
+ udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(enumerate)) {
+ struct udev_device *device;
+
+ device = udev_device_new_from_syspath(udev_enumerate_get_udev(enumerate),
+ udev_list_entry_get_name(list_entry));
+ if (device != NULL) {
+ printf("device: '%s' (%s)\n",
+ udev_device_get_syspath(device),
+ udev_device_get_subsystem(device));
+ udev_device_unref(device);
+ count++;
+ }
+ }
printf("found %i devices\n\n", count);
return count;
}
-static int test_monitor(struct udev *udev, const char *socket_path)
+static int test_monitor(struct udev *udev)
{
struct udev_monitor *udev_monitor;
fd_set readfds;
int fd;
- udev_monitor = udev_monitor_new_from_socket(udev, socket_path);
+ udev_monitor = udev_monitor_new_from_netlink(udev, "udev");
if (udev_monitor == NULL) {
printf("no socket\n");
return -1;
FD_SET(STDIN_FILENO, &readfds);
FD_SET(fd, &readfds);
- printf("waiting for events on %s, press ENTER to exit\n", socket_path);
+ printf("waiting for events from udev, press ENTER to exit\n");
fdcount = select(fd+1, &readfds, NULL, NULL, NULL);
printf("select fd count: %i\n", fdcount);
return 0;
}
-int main(int argc, char *argv[], char *envp[])
+static int test_queue(struct udev *udev)
+{
+ struct udev_queue *udev_queue;
+ unsigned long long int seqnum;
+ struct udev_list_entry *list_entry;
+
+ udev_queue = udev_queue_new(udev);
+ if (udev_queue == NULL)
+ return -1;
+ seqnum = udev_queue_get_kernel_seqnum(udev_queue);
+ printf("seqnum kernel: %llu\n", seqnum);
+ seqnum = udev_queue_get_udev_seqnum(udev_queue);
+ printf("seqnum udev : %llu\n", seqnum);
+
+ if (udev_queue_get_queue_is_empty(udev_queue))
+ printf("queue is empty\n");
+ printf("get queue list\n");
+ udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+ printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+ printf("\n");
+ printf("get queue list again\n");
+ udev_list_entry_foreach(list_entry, udev_queue_get_queued_list_entry(udev_queue))
+ printf("queued: '%s' [%s]\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+ printf("\n");
+ printf("get failed list\n");
+ udev_list_entry_foreach(list_entry, udev_queue_get_failed_list_entry(udev_queue))
+ printf("failed: '%s'\n", udev_list_entry_get_name(list_entry));
+ printf("\n");
+
+ list_entry = udev_queue_get_queued_list_entry(udev_queue);
+ if (list_entry != NULL) {
+ printf("event [%llu] is queued\n", seqnum);
+ seqnum = strtoull(udev_list_entry_get_value(list_entry), NULL, 10);
+ if (udev_queue_get_seqnum_is_finished(udev_queue, seqnum))
+ printf("event [%llu] is not finished\n", seqnum);
+ else
+ printf("event [%llu] is finished\n", seqnum);
+ }
+ printf("\n");
+ udev_queue_unref(udev_queue);
+ return 0;
+}
+
+static int test_enumerate(struct udev *udev, const char *subsystem)
+{
+ struct udev_enumerate *udev_enumerate;
+
+ printf("enumerate '%s'\n", subsystem == NULL ? "<all>" : subsystem);
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, subsystem);
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'block'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate,"block");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'not block'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_nomatch_subsystem(udev_enumerate, "block");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'pci, mem, vc'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_subsystem(udev_enumerate, "pci");
+ udev_enumerate_add_match_subsystem(udev_enumerate, "mem");
+ udev_enumerate_add_match_subsystem(udev_enumerate, "vc");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'subsystem'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_scan_subsystems(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+
+ printf("enumerate 'property IF_FS_*=filesystem'\n");
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_add_match_property(udev_enumerate, "ID_FS*", "filesystem");
+ udev_enumerate_scan_devices(udev_enumerate);
+ test_enumerate_print_list(udev_enumerate);
+ udev_enumerate_unref(udev_enumerate);
+ return 0;
+}
+
+int main(int argc, char *argv[])
{
struct udev *udev = NULL;
static const struct option options[] = {
- { "syspath", 1, NULL, 'p' },
- { "subsystem", 1, NULL, 's' },
- { "socket", 1, NULL, 'S' },
- { "debug", 0, NULL, 'd' },
- { "help", 0, NULL, 'h' },
- { "version", 0, NULL, 'V' },
+ { "syspath", required_argument, NULL, 'p' },
+ { "subsystem", required_argument, NULL, 's' },
+ { "debug", no_argument, NULL, 'd' },
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, 'V' },
{}
};
const char *syspath = "/devices/virtual/mem/null";
const char *subsystem = NULL;
- const char *socket = "@/org/kernel/udev/monitor";
char path[1024];
const char *str;
case 's':
subsystem = optarg;
break;
- case 'S':
- socket = optarg;
- break;
case 'd':
if (udev_get_log_priority(udev) < LOG_INFO)
udev_set_log_priority(udev, LOG_INFO);
break;
case 'h':
- printf("--debug --syspath= --subsystem= --socket= --help\n");
+ printf("--debug --syspath= --subsystem= --help\n");
goto out;
case 'V':
printf("%s\n", VERSION);
}
test_device(udev, syspath);
+ test_device_devnum(udev);
+ test_device_subsys_name(udev);
test_device_parents(udev, syspath);
+
test_enumerate(udev, subsystem);
- test_monitor(udev, socket);
+
+ test_queue(udev);
+
+ test_monitor(udev);
out:
udev_unref(udev);
return 0;
~ianmdlvl / elogind.git / blobdiff