diff options
Diffstat (limited to 'src/grp-udev/udevadm/udevadm-test.c')
| -rw-r--r-- | src/grp-udev/udevadm/udevadm-test.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/src/grp-udev/udevadm/udevadm-test.c b/src/grp-udev/udevadm/udevadm-test.c new file mode 100644 index 0000000000..00b326d2cb --- /dev/null +++ b/src/grp-udev/udevadm/udevadm-test.c @@ -0,0 +1,160 @@ +/* + * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (C) 2004-2008 Kay Sievers <kay@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/>. + */ + +#include <errno.h> +#include <getopt.h> +#include <signal.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <sys/signalfd.h> +#include <unistd.h> + +#include "systemd-basic/string-util.h" +#include "systemd-shared/udev-util.h" +#include "udev.h" + +static void help(void) { + + printf("%s test OPTIONS <syspath>\n\n" + "Test an event run.\n" + " -h --help Show this help\n" + " --version Show package version\n" + " -a --action=ACTION Set action string\n" + " -N --resolve-names=early|late|never When to resolve names\n" + , program_invocation_short_name); +} + +static int adm_test(struct udev *udev, int argc, char *argv[]) { + int resolve_names = 1; + char filename[UTIL_PATH_SIZE]; + const char *action = "add"; + const char *syspath = NULL; + struct udev_list_entry *entry; + _cleanup_udev_rules_unref_ struct udev_rules *rules = NULL; + _cleanup_udev_device_unref_ struct udev_device *dev = NULL; + _cleanup_udev_event_unref_ struct udev_event *event = NULL; + sigset_t mask, sigmask_orig; + int rc = 0, c; + + static const struct option options[] = { + { "action", required_argument, NULL, 'a' }, + { "resolve-names", required_argument, NULL, 'N' }, + { "help", no_argument, NULL, 'h' }, + {} + }; + + log_debug("version %s", VERSION); + + while ((c = getopt_long(argc, argv, "a:N:h", options, NULL)) >= 0) + switch (c) { + case 'a': + action = optarg; + break; + case 'N': + if (streq (optarg, "early")) { + resolve_names = 1; + } else if (streq (optarg, "late")) { + resolve_names = 0; + } else if (streq (optarg, "never")) { + resolve_names = -1; + } else { + fprintf(stderr, "resolve-names must be early, late or never\n"); + log_error("resolve-names must be early, late or never"); + exit(EXIT_FAILURE); + } + break; + case 'h': + help(); + exit(EXIT_SUCCESS); + case '?': + exit(EXIT_FAILURE); + default: + assert_not_reached("Unknown option"); + } + + syspath = argv[optind]; + if (syspath == NULL) { + fprintf(stderr, "syspath parameter missing\n"); + rc = 2; + goto out; + } + + printf("This program is for debugging only, it does not run any program\n" + "specified by a RUN key. It may show incorrect results, because\n" + "some values may be different, or not available at a simulation run.\n" + "\n"); + + sigprocmask(SIG_SETMASK, NULL, &sigmask_orig); + + udev_builtin_init(udev); + + rules = udev_rules_new(udev, resolve_names); + if (rules == NULL) { + fprintf(stderr, "error reading rules\n"); + rc = 3; + goto out; + } + + /* add /sys if needed */ + if (!startswith(syspath, "/sys")) + strscpyl(filename, sizeof(filename), "/sys", syspath, NULL); + else + strscpy(filename, sizeof(filename), syspath); + util_remove_trailing_chars(filename, '/'); + + dev = udev_device_new_from_synthetic_event(udev, filename, action); + if (dev == NULL) { + fprintf(stderr, "unable to open device '%s'\n", filename); + rc = 4; + goto out; + } + + /* don't read info from the db */ + udev_device_set_info_loaded(dev); + + event = udev_event_new(dev); + + sigfillset(&mask); + sigprocmask(SIG_SETMASK, &mask, &sigmask_orig); + + udev_event_execute_rules(event, + 60 * USEC_PER_SEC, 20 * USEC_PER_SEC, + NULL, + rules); + + udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev)) + printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry)); + + udev_list_entry_foreach(entry, udev_list_get_entry(&event->run_list)) { + char program[UTIL_PATH_SIZE]; + + udev_event_apply_format(event, udev_list_entry_get_name(entry), program, sizeof(program)); + printf("run: '%s'\n", program); + } +out: + udev_builtin_exit(udev); + return rc; +} + +const struct udevadm_cmd udevadm_test = { + .name = "test", + .cmd = adm_test, + .help = "Test an event run", + .debug = true, +}; |