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/*
* Copyright (C) 2007 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 version 2 of the License.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "config.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include "udev.h"
static int debug;
#ifdef USE_LOG
void log_message(int priority, const char *format, ...)
{
va_list args;
if (priority > udev_log_priority)
return;
va_start(args, format);
if (debug)
vprintf(format, args);
else
vsyslog(priority, format, args);
va_end(args);
}
#endif
struct command {
const char *name;
int (*cmd)(int argc, char *argv[]);
const char *help;
int debug;
};
static const struct command cmds[];
static int version(int argc, char *argv[])
{
printf("%s\n", VERSION);
return 0;
}
static int help(int argc, char *argv[])
{
const struct command *cmd;
printf("Usage: udevadm COMMAND [OPTIONS]\n");
for (cmd = cmds; cmd->name != NULL; cmd++)
printf(" %-12s %s\n", cmd->name, cmd->help);
printf("\n");
return 0;
}
static const struct command cmds[] = {
{
.name = "info",
.cmd = udevadm_info,
.help = "query sysfs or the udev database",
},
{
.name = "trigger",
.cmd = udevadm_trigger,
.help = "request events from the kernel",
},
{
.name = "settle",
.cmd = udevadm_settle, "",
.help = "wait for the event queue to finish",
},
{
.name = "control",
.cmd = udevadm_control,
.help = "control the udev daemon",
},
{
.name = "monitor",
.cmd = udevadm_monitor,
.help = "listen to kernel and udev events",
},
{
.name = "test",
.cmd = udevadm_test,
.help = "simulation run",
.debug = 1,
},
{
.name = "version",
.cmd = version,
.help = "print the version number",
},
{
.name = "help",
.cmd = help,
.help = "print this help text",
},
{}
};
int main(int argc, char *argv[])
{
const char *command = argv[1];
int i;
const char *pos;
int rc;
/* find command */
if (command != NULL)
for (i = 0; cmds[i].cmd != NULL; i++) {
if (strcmp(cmds[i].name, command) == 0) {
debug = cmds[i].debug;
rc = cmds[i].cmd(argc-1, &argv[1]);
goto out;
}
}
/* try to find compat link, will be removed in a future release */
command = argv[0];
pos = strrchr(command, '/');
if (pos != NULL)
command = &pos[1];
/* the trailing part of the binary or link name is the command */
if (strncmp(command, "udev", 4) == 0)
command = &command[4];
for (i = 0; cmds[i].cmd != NULL; i++) {
if (strcmp(cmds[i].name, command) == 0) {
char path[128];
char prog[512];
ssize_t len;
snprintf(path, sizeof(path), "/proc/%lu/exe", (unsigned long) getppid());
len = readlink(path, prog, sizeof(prog));
if (len > 0) {
prog[len] = '\0';
fprintf(stderr, "the program '%s' called '%s', it should use 'udevadm %s <options>', "
"this will stop working in a future release\n", prog, argv[0], command);
info("the program '%s' called '%s', it should use 'udevadm %s <options>', "
"this will stop working in a future release\n", prog, argv[0], command);
}
debug = cmds[i].debug;
rc = cmds[i].cmd(argc, argv);
goto out;
}
}
fprintf(stderr, "unknown command, try help\n\n");
rc = 2;
out:
return rc;
}
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