2 * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
3 * Copyright (C) 2004-2008 Kay Sievers <kay@vrfy.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 #include <sys/signalfd.h>
32 #include "udev-util.h"
34 static void help(void) {
36 printf("%s test OPTIONS <syspath>\n\n"
37 "Test an event run.\n"
38 " -h --help Show this help\n"
39 " --version Show package version\n"
40 " -a --action=ACTION Set action string\n"
41 " -N --resolve-names=early|late|never When to resolve names\n"
42 , program_invocation_short_name);
45 static int adm_test(struct udev *udev, int argc, char *argv[]) {
46 int resolve_names = 1;
47 char filename[UTIL_PATH_SIZE];
48 const char *action = "add";
49 const char *syspath = NULL;
50 struct udev_list_entry *entry;
51 _cleanup_udev_rules_unref_ struct udev_rules *rules = NULL;
52 _cleanup_udev_device_unref_ struct udev_device *dev = NULL;
53 _cleanup_udev_event_unref_ struct udev_event *event = NULL;
54 sigset_t mask, sigmask_orig;
57 static const struct option options[] = {
58 { "action", required_argument, NULL, 'a' },
59 { "resolve-names", required_argument, NULL, 'N' },
60 { "help", no_argument, NULL, 'h' },
64 log_debug("version %s", VERSION);
66 while((c = getopt_long(argc, argv, "a:N:h", options, NULL)) >= 0)
72 if (streq (optarg, "early")) {
74 } else if (streq (optarg, "late")) {
76 } else if (streq (optarg, "never")) {
79 fprintf(stderr, "resolve-names must be early, late or never\n");
80 log_error("resolve-names must be early, late or never");
90 assert_not_reached("Unknown option");
93 syspath = argv[optind];
94 if (syspath == NULL) {
95 fprintf(stderr, "syspath parameter missing\n");
100 printf("This program is for debugging only, it does not run any program\n"
101 "specified by a RUN key. It may show incorrect results, because\n"
102 "some values may be different, or not available at a simulation run.\n"
105 sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
107 udev_builtin_init(udev);
109 rules = udev_rules_new(udev, resolve_names);
111 fprintf(stderr, "error reading rules\n");
116 /* add /sys if needed */
117 if (!startswith(syspath, "/sys"))
118 strscpyl(filename, sizeof(filename), "/sys", syspath, NULL);
120 strscpy(filename, sizeof(filename), syspath);
121 util_remove_trailing_chars(filename, '/');
123 dev = udev_device_new_from_syspath(udev, filename);
125 fprintf(stderr, "unable to open device '%s'\n", filename);
130 /* skip reading of db, but read kernel parameters */
131 udev_device_set_info_loaded(dev);
132 udev_device_read_uevent_file(dev);
134 udev_device_set_action(dev, action);
135 event = udev_event_new(dev);
138 sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
139 event->fd_signal = signalfd(-1, &mask, SFD_NONBLOCK|SFD_CLOEXEC);
140 if (event->fd_signal < 0) {
141 fprintf(stderr, "error creating signalfd\n");
146 udev_event_execute_rules(event,
147 60 * USEC_PER_SEC, 20 * USEC_PER_SEC,
152 udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
153 printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
155 udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) {
156 char program[UTIL_PATH_SIZE];
158 udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program));
159 printf("run: '%s'\n", program);
162 if (event != NULL && event->fd_signal >= 0)
163 close(event->fd_signal);
164 udev_builtin_exit(udev);
168 const struct udevadm_cmd udevadm_test = {
171 .help = "Test an event run",