#include <stddef.h>
#include <stdio.h>
+#include "alloc-util.h"
#include "selinux-util.h"
#include "string-util.h"
#include "terminal-util.h"
+#include "udevadm.h"
#include "udev-util.h"
-#include "udev.h"
-
-static int adm_version(int argc, char *argv[]) {
- printf("%s\n", PACKAGE_VERSION);
- return 0;
-}
+#include "verbs.h"
+#include "util.h"
+
+static int help(void) {
+ static const char * short_descriptions[][2] = {
+ { "info", "Query sysfs or the udev database" },
+ { "trigger", "Request events from the kernel" },
+ { "settle", "Wait for pending udev events" },
+ { "control", "Control the udev daemon" },
+ { "monitor", "Listen to kernel and udev events" },
+ { "test", "Test an event run" },
+ { "test-builtin", "Test a built-in command" },
+ };
-static const struct udevadm_cmd udevadm_version = {
- .name = "version",
- .cmd = adm_version,
-};
-
-static int adm_help(int argc, char *argv[]);
-
-static const struct udevadm_cmd udevadm_help = {
- .name = "help",
- .cmd = adm_help,
-};
-
-static const struct udevadm_cmd *udevadm_cmds[] = {
- &udevadm_info,
- &udevadm_trigger,
- &udevadm_settle,
- &udevadm_control,
- &udevadm_monitor,
- &udevadm_hwdb,
- &udevadm_test,
- &udevadm_test_builtin,
- &udevadm_version,
- &udevadm_help,
-};
-
-static int adm_help(int argc, char *argv[]) {
_cleanup_free_ char *link = NULL;
size_t i;
int r;
"Commands:\n"
, program_invocation_short_name);
- for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++)
- if (udevadm_cmds[i]->help != NULL)
- printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help);
+ for (i = 0; i < ELEMENTSOF(short_descriptions); i++)
+ printf(" %-12s %s\n", short_descriptions[i][0], short_descriptions[i][1]);
printf("\nSee the %s for details.\n", link);
return 0;
}
-static int run_command(const struct udevadm_cmd *cmd, int argc, char *argv[]) {
- if (cmd->debug)
- log_set_max_level(LOG_DEBUG);
- log_debug("calling: %s", cmd->name);
- return cmd->cmd(argc, argv);
-}
-
-int main(int argc, char *argv[]) {
+static int parse_argv(int argc, char *argv[]) {
static const struct option options[] = {
- { "debug", no_argument, NULL, 'd' },
- { "help", no_argument, NULL, 'h' },
+ { "debug", no_argument, NULL, 'd' },
+ { "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'V' },
{}
};
- const char *command;
- unsigned int i;
- int rc = 1, c;
-
- udev_parse_config();
- log_parse_environment();
- log_open();
+ int c;
- mac_selinux_init();
+ assert(argc >= 0);
+ assert(argv);
while ((c = getopt_long(argc, argv, "+dhV", options, NULL)) >= 0)
switch (c) {
break;
case 'h':
- rc = adm_help(argc, argv);
- goto out;
+ return help();
case 'V':
- rc = adm_version(argc, argv);
- goto out;
+ return version();
+
+ case '?':
+ return -EINVAL;
default:
- goto out;
+ assert_not_reached("Unhandled option");
}
- command = argv[optind];
-
- if (command != NULL)
- for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++)
- if (streq(udevadm_cmds[i]->name, command)) {
- argc -= optind;
- argv += optind;
- /* we need '0' here to reset the internal state */
- optind = 0;
- rc = run_command(udevadm_cmds[i], argc, argv);
- goto out;
- }
-
- fprintf(stderr, "%s: missing or unknown command\n", program_invocation_short_name);
- rc = 2;
-out:
+ return 1; /* work to do */
+}
+
+static int version_main(int argc, char *argv[], void *userdata) {
+ return version();
+}
+
+static int help_main(int argc, char *argv[], void *userdata) {
+ return help();
+}
+
+static int udevadm_main(int argc, char *argv[]) {
+ static const Verb verbs[] = {
+ { "info", VERB_ANY, VERB_ANY, 0, info_main },
+ { "trigger", VERB_ANY, VERB_ANY, 0, trigger_main },
+ { "settle", VERB_ANY, VERB_ANY, 0, settle_main },
+ { "control", VERB_ANY, VERB_ANY, 0, control_main },
+ { "monitor", VERB_ANY, VERB_ANY, 0, monitor_main },
+ { "hwdb", VERB_ANY, VERB_ANY, 0, hwdb_main },
+ { "test", VERB_ANY, VERB_ANY, 0, test_main },
+ { "test-builtin", VERB_ANY, VERB_ANY, 0, builtin_main },
+ { "version", VERB_ANY, VERB_ANY, 0, version_main },
+ { "help", VERB_ANY, VERB_ANY, 0, help_main },
+ {}
+ };
+
+ return dispatch_verb(argc, argv, verbs, NULL);
+}
+
+int main(int argc, char *argv[]) {
+ int r;
+
+ udev_parse_config();
+ log_parse_environment();
+ log_open();
+ mac_selinux_init();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ goto finish;
+
+ r = udevadm_main(argc, argv);
+
+finish:
mac_selinux_finish();
log_close();
- return rc;
+
+ /* TODO: fix this later.
+ * Currently, verbs return positive values on failure. */
+ return r < 0 ? EXIT_FAILURE : r;
}
projects / thirdparty / systemd.git / commitdiff
