*
* 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>
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);
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);
if (str != NULL)
printf("driver: '%s'\n", str);
if (count > 0)
printf("found %i properties\n", count);
- str = udev_device_get_attr_value(device, "dev");
+ 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);
return 0;
}
+static int test_device_subsys_name(struct udev *udev)
+{
+ 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;
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;
}
+ if (udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "block", NULL) < 0 ||
+ udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "tty", NULL) < 0 ||
+ udev_monitor_filter_add_match_subsystem_devtype(udev_monitor, "usb", "usb_device") < 0) {
+ printf("filter failed\n");
+ return -1;
+ }
if (udev_monitor_enable_receiving(udev_monitor) < 0) {
printf("bind failed\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_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", required_argument, NULL, 'p' },
{ "subsystem", required_argument, NULL, 's' },
- { "socket", required_argument, NULL, 'S' },
{ "debug", no_argument, NULL, 'd' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{}
};
- struct udev_enumerate *udev_enumerate;
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);
- 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);
+ test_enumerate(udev, subsystem);
test_queue(udev);
- test_monitor(udev, socket);
+ test_monitor(udev);
out:
udev_unref(udev);
return 0;
~ianmdlvl / elogind.git / blobdiff