mirror of
https://github.com/systemd/systemd.git
synced 2024-12-23 21:35:11 +03:00
udevadm: trigger: use libudev
This commit is contained in:
Kay Sievers
parent
c97f839eed
commit
f5001d2465
5
NEWS
5
NEWS
@ -1,3 +1,8 @@
|
||||
udev 129
|
||||
========
|
||||
More libudev work. Most of udevadm's functionality comes from libudev
|
||||
now.
|
||||
|
||||
udev 128
|
||||
========
|
||||
Bugfixes.
|
||||
|
||||
2
TODO
2
TODO
@ -1,6 +1,6 @@
|
||||
o use enumerate for "trigger"
|
||||
o add libudev queue - interface for /dev/.udev/queue/ state
|
||||
use queue interface for "settle"
|
||||
use queue interface for --type=failed
|
||||
#129
|
||||
|
||||
o use libudev device in udev_rules.c
|
||||
|
||||
@ -1,6 +1,5 @@
|
||||
/*
|
||||
* Copyright (C) 2004-2008 Kay Sievers <kay@vrfy.org>
|
||||
* Copyright (C) 2006 Hannes Reinecke <hare@suse.de>
|
||||
* Copyright (C) 2008 Kay Sievers <kayi.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
|
||||
@ -33,503 +32,39 @@
|
||||
#include <sys/un.h>
|
||||
|
||||
#include "udev.h"
|
||||
#include "udev_rules.h"
|
||||
|
||||
static int verbose;
|
||||
static int dry_run;
|
||||
LIST_HEAD(device_list);
|
||||
LIST_HEAD(filter_subsystem_match_list);
|
||||
LIST_HEAD(filter_subsystem_nomatch_list);
|
||||
LIST_HEAD(filter_attr_match_list);
|
||||
LIST_HEAD(filter_attr_nomatch_list);
|
||||
static int sock = -1;
|
||||
static struct sockaddr_un saddr;
|
||||
static socklen_t saddrlen;
|
||||
|
||||
/* devices that should run last cause of their dependencies */
|
||||
static int delay_device(const char *syspath)
|
||||
static void exec_list(struct udev_enumerate *udev_enumerate, const char *action)
|
||||
{
|
||||
static const char *delay_device_list[] = {
|
||||
"*/md*",
|
||||
"*/dm-*",
|
||||
NULL
|
||||
};
|
||||
int i;
|
||||
struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
|
||||
struct udev_list_entry *entry;
|
||||
|
||||
for (i = 0; delay_device_list[i] != NULL; i++)
|
||||
if (fnmatch(delay_device_list[i], syspath, 0) == 0)
|
||||
return 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int device_list_insert(struct udev *udev, const char *path)
|
||||
{
|
||||
char filename[UTIL_PATH_SIZE];
|
||||
struct stat statbuf;
|
||||
|
||||
dbg(udev, "add '%s'\n" , path);
|
||||
|
||||
/* we only have a device, if we have an uevent file */
|
||||
util_strlcpy(filename, path, sizeof(filename));
|
||||
util_strlcat(filename, "/uevent", sizeof(filename));
|
||||
if (stat(filename, &statbuf) < 0)
|
||||
return -1;
|
||||
if (!(statbuf.st_mode & S_IWUSR))
|
||||
return -1;
|
||||
|
||||
/* resolve possible link to real target */
|
||||
util_strlcpy(filename, path, sizeof(filename));
|
||||
if (lstat(filename, &statbuf) < 0)
|
||||
return -1;
|
||||
if (S_ISLNK(statbuf.st_mode))
|
||||
if (util_resolve_sys_link(udev, filename, sizeof(filename)) != 0)
|
||||
return -1;
|
||||
|
||||
name_list_add(udev, &device_list, filename, 1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void trigger_uevent(struct udev *udev, const char *syspath, const char *action)
|
||||
{
|
||||
char filename[UTIL_PATH_SIZE];
|
||||
int fd;
|
||||
|
||||
util_strlcpy(filename, syspath, sizeof(filename));
|
||||
util_strlcat(filename, "/uevent", sizeof(filename));
|
||||
|
||||
if (verbose)
|
||||
printf("%s\n", syspath);
|
||||
|
||||
if (dry_run)
|
||||
return;
|
||||
|
||||
fd = open(filename, O_WRONLY);
|
||||
if (fd < 0) {
|
||||
dbg(udev, "error on opening %s: %m\n", filename);
|
||||
return;
|
||||
}
|
||||
|
||||
if (write(fd, action, strlen(action)) < 0)
|
||||
info(udev, "error writing '%s' to '%s': %m\n", action, filename);
|
||||
|
||||
close(fd);
|
||||
}
|
||||
|
||||
static int pass_to_socket(struct udev *udev, const char *syspath, const char *action, const char *env)
|
||||
{
|
||||
struct udevice *udevice;
|
||||
struct name_entry *name_loop;
|
||||
char buf[4096];
|
||||
size_t bufpos = 0;
|
||||
ssize_t count;
|
||||
char path[UTIL_PATH_SIZE];
|
||||
int fd;
|
||||
char link_target[UTIL_PATH_SIZE];
|
||||
int len;
|
||||
const char *devpath = &syspath[strlen(udev_get_sys_path(udev))];
|
||||
int err = 0;
|
||||
|
||||
if (verbose)
|
||||
printf("%s\n", devpath);
|
||||
|
||||
udevice = udev_device_init(udev);
|
||||
if (udevice == NULL)
|
||||
return -1;
|
||||
udev_db_get_device(udevice, devpath);
|
||||
|
||||
/* add header */
|
||||
bufpos = snprintf(buf, sizeof(buf)-1, "%s@%s", action, devpath);
|
||||
bufpos++;
|
||||
|
||||
/* add cookie */
|
||||
if (env != NULL) {
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "%s", env);
|
||||
bufpos++;
|
||||
}
|
||||
|
||||
/* add standard keys */
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVPATH=%s", devpath);
|
||||
bufpos++;
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "ACTION=%s", action);
|
||||
bufpos++;
|
||||
|
||||
/* add subsystem */
|
||||
util_strlcpy(path, udev_get_sys_path(udev), sizeof(path));
|
||||
util_strlcat(path, devpath, sizeof(path));
|
||||
util_strlcat(path, "/subsystem", sizeof(path));
|
||||
len = readlink(path, link_target, sizeof(link_target));
|
||||
if (len > 0) {
|
||||
char *pos;
|
||||
|
||||
link_target[len] = '\0';
|
||||
pos = strrchr(link_target, '/');
|
||||
if (pos != NULL) {
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "SUBSYSTEM=%s", &pos[1]);
|
||||
bufpos++;
|
||||
}
|
||||
}
|
||||
|
||||
/* add symlinks and node name */
|
||||
path[0] = '\0';
|
||||
list_for_each_entry(name_loop, &udevice->symlink_list, node) {
|
||||
util_strlcat(path, udev_get_dev_path(udev), sizeof(path));
|
||||
util_strlcat(path, "/", sizeof(path));
|
||||
util_strlcat(path, name_loop->name, sizeof(path));
|
||||
util_strlcat(path, " ", sizeof(path));
|
||||
}
|
||||
util_remove_trailing_chars(path, ' ');
|
||||
if (path[0] != '\0') {
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVLINKS=%s", path);
|
||||
bufpos++;
|
||||
}
|
||||
if (udevice->name[0] != '\0') {
|
||||
util_strlcpy(path, udev_get_dev_path(udev), sizeof(path));
|
||||
util_strlcat(path, "/", sizeof(path));
|
||||
util_strlcat(path, udevice->name, sizeof(path));
|
||||
bufpos += snprintf(&buf[bufpos], sizeof(buf)-1, "DEVNAME=%s", path);
|
||||
bufpos++;
|
||||
}
|
||||
|
||||
/* add keys from device "uevent" file */
|
||||
util_strlcpy(path, syspath, sizeof(path));
|
||||
util_strlcat(path, "/uevent", sizeof(path));
|
||||
fd = open(path, O_RDONLY);
|
||||
if (fd >= 0) {
|
||||
char value[4096];
|
||||
|
||||
count = read(fd, value, sizeof(value));
|
||||
close(fd);
|
||||
if (count > 0) {
|
||||
char *key;
|
||||
|
||||
value[count] = '\0';
|
||||
key = value;
|
||||
while (key[0] != '\0') {
|
||||
char *next;
|
||||
|
||||
next = strchr(key, '\n');
|
||||
if (next == NULL)
|
||||
break;
|
||||
next[0] = '\0';
|
||||
bufpos += util_strlcpy(&buf[bufpos], key, sizeof(buf) - bufpos-1);
|
||||
bufpos++;
|
||||
key = &next[1];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* add keys from database */
|
||||
list_for_each_entry(name_loop, &udevice->env_list, node) {
|
||||
bufpos += util_strlcpy(&buf[bufpos], name_loop->name, sizeof(buf) - bufpos-1);
|
||||
bufpos++;
|
||||
}
|
||||
if (bufpos > sizeof(buf))
|
||||
bufpos = sizeof(buf);
|
||||
|
||||
count = sendto(sock, &buf, bufpos, 0, (struct sockaddr *)&saddr, saddrlen);
|
||||
if (count < 0)
|
||||
err = -1;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void exec_list(struct udev *udev, const char *action, const char *env)
|
||||
{
|
||||
struct name_entry *loop_device;
|
||||
struct name_entry *tmp_device;
|
||||
|
||||
list_for_each_entry_safe(loop_device, tmp_device, &device_list, node) {
|
||||
if (delay_device(loop_device->name))
|
||||
continue;
|
||||
if (sock >= 0)
|
||||
pass_to_socket(udev, loop_device->name, action, env);
|
||||
else
|
||||
trigger_uevent(udev, loop_device->name, action);
|
||||
list_del(&loop_device->node);
|
||||
free(loop_device);
|
||||
}
|
||||
|
||||
/* trigger remaining delayed devices */
|
||||
list_for_each_entry_safe(loop_device, tmp_device, &device_list, node) {
|
||||
if (sock >= 0)
|
||||
pass_to_socket(udev, loop_device->name, action, env);
|
||||
else
|
||||
trigger_uevent(udev, loop_device->name, action);
|
||||
list_del(&loop_device->node);
|
||||
free(loop_device);
|
||||
}
|
||||
}
|
||||
|
||||
static int subsystem_filtered(const char *subsystem)
|
||||
{
|
||||
struct name_entry *loop_name;
|
||||
|
||||
/* skip devices matching the listed subsystems */
|
||||
list_for_each_entry(loop_name, &filter_subsystem_nomatch_list, node)
|
||||
if (fnmatch(loop_name->name, subsystem, 0) == 0)
|
||||
return 1;
|
||||
|
||||
/* skip devices not matching the listed subsystems */
|
||||
if (!list_empty(&filter_subsystem_match_list)) {
|
||||
list_for_each_entry(loop_name, &filter_subsystem_match_list, node)
|
||||
if (fnmatch(loop_name->name, subsystem, 0) == 0)
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int attr_match(const char *path, const char *attr_value)
|
||||
{
|
||||
char attr[UTIL_NAME_SIZE];
|
||||
char file[UTIL_PATH_SIZE];
|
||||
char *match_value;
|
||||
|
||||
util_strlcpy(attr, attr_value, sizeof(attr));
|
||||
|
||||
/* separate attr and match value */
|
||||
match_value = strchr(attr, '=');
|
||||
if (match_value != NULL) {
|
||||
match_value[0] = '\0';
|
||||
match_value = &match_value[1];
|
||||
}
|
||||
|
||||
util_strlcpy(file, path, sizeof(file));
|
||||
util_strlcat(file, "/", sizeof(file));
|
||||
util_strlcat(file, attr, sizeof(file));
|
||||
|
||||
if (match_value != NULL) {
|
||||
/* match file content */
|
||||
char value[UTIL_NAME_SIZE];
|
||||
udev_list_entry_foreach(entry, udev_enumerate_get_list_entry(udev_enumerate)) {
|
||||
char filename[UTIL_PATH_SIZE];
|
||||
int fd;
|
||||
ssize_t size;
|
||||
|
||||
fd = open(file, O_RDONLY);
|
||||
if (fd < 0)
|
||||
return 0;
|
||||
size = read(fd, value, sizeof(value));
|
||||
if (verbose)
|
||||
printf("%s\n", udev_list_entry_get_name(entry));
|
||||
if (dry_run)
|
||||
continue;
|
||||
util_strlcpy(filename, udev_list_entry_get_name(entry), sizeof(filename));
|
||||
util_strlcat(filename, "/uevent", sizeof(filename));
|
||||
fd = open(filename, O_WRONLY);
|
||||
if (fd < 0) {
|
||||
dbg(udev, "error on opening %s: %m\n", filename);
|
||||
continue;
|
||||
}
|
||||
if (write(fd, action, strlen(action)) < 0)
|
||||
info(udev, "error writing '%s' to '%s': %m\n", action, filename);
|
||||
close(fd);
|
||||
if (size < 0)
|
||||
return 0;
|
||||
value[size] = '\0';
|
||||
util_remove_trailing_chars(value, '\n');
|
||||
|
||||
/* match if attribute value matches */
|
||||
if (fnmatch(match_value, value, 0) == 0)
|
||||
return 1;
|
||||
} else {
|
||||
/* match if attribute exists */
|
||||
struct stat statbuf;
|
||||
|
||||
if (stat(file, &statbuf) == 0)
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int attr_filtered(const char *path)
|
||||
{
|
||||
struct name_entry *loop_name;
|
||||
|
||||
/* skip devices matching the listed sysfs attributes */
|
||||
list_for_each_entry(loop_name, &filter_attr_nomatch_list, node)
|
||||
if (attr_match(path, loop_name->name))
|
||||
return 1;
|
||||
|
||||
/* skip devices not matching the listed sysfs attributes */
|
||||
if (!list_empty(&filter_attr_match_list)) {
|
||||
list_for_each_entry(loop_name, &filter_attr_match_list, node)
|
||||
if (attr_match(path, loop_name->name))
|
||||
return 0;
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
enum scan_type {
|
||||
SCAN_DEVICES,
|
||||
SCAN_SUBSYSTEM,
|
||||
};
|
||||
|
||||
static void scan_subsystem(struct udev *udev, const char *subsys, enum scan_type scan)
|
||||
{
|
||||
char base[UTIL_PATH_SIZE];
|
||||
DIR *dir;
|
||||
struct dirent *dent;
|
||||
const char *subdir;
|
||||
|
||||
if (scan == SCAN_DEVICES)
|
||||
subdir = "/devices";
|
||||
else if (scan == SCAN_SUBSYSTEM)
|
||||
subdir = "/drivers";
|
||||
else
|
||||
return;
|
||||
|
||||
util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
|
||||
util_strlcat(base, "/", sizeof(base));
|
||||
util_strlcat(base, subsys, sizeof(base));
|
||||
|
||||
dir = opendir(base);
|
||||
if (dir != NULL) {
|
||||
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
|
||||
char dirname[UTIL_PATH_SIZE];
|
||||
DIR *dir2;
|
||||
struct dirent *dent2;
|
||||
|
||||
if (dent->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
if (scan == SCAN_DEVICES)
|
||||
if (subsystem_filtered(dent->d_name))
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname, base, sizeof(dirname));
|
||||
util_strlcat(dirname, "/", sizeof(dirname));
|
||||
util_strlcat(dirname, dent->d_name, sizeof(dirname));
|
||||
|
||||
if (scan == SCAN_SUBSYSTEM) {
|
||||
if (attr_filtered(dirname))
|
||||
continue;
|
||||
if (!subsystem_filtered("subsystem"))
|
||||
device_list_insert(udev, dirname);
|
||||
if (subsystem_filtered("drivers"))
|
||||
continue;
|
||||
}
|
||||
|
||||
util_strlcat(dirname, subdir, sizeof(dirname));
|
||||
|
||||
/* look for devices/drivers */
|
||||
dir2 = opendir(dirname);
|
||||
if (dir2 != NULL) {
|
||||
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
|
||||
char dirname2[UTIL_PATH_SIZE];
|
||||
|
||||
if (dent2->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname2, dirname, sizeof(dirname2));
|
||||
util_strlcat(dirname2, "/", sizeof(dirname2));
|
||||
util_strlcat(dirname2, dent2->d_name, sizeof(dirname2));
|
||||
if (attr_filtered(dirname2))
|
||||
continue;
|
||||
device_list_insert(udev, dirname2);
|
||||
}
|
||||
closedir(dir2);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
}
|
||||
}
|
||||
|
||||
static void scan_block(struct udev *udev)
|
||||
{
|
||||
char base[UTIL_PATH_SIZE];
|
||||
DIR *dir;
|
||||
struct dirent *dent;
|
||||
|
||||
if (subsystem_filtered("block"))
|
||||
return;
|
||||
|
||||
util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
|
||||
util_strlcat(base, "/block", sizeof(base));
|
||||
|
||||
dir = opendir(base);
|
||||
if (dir != NULL) {
|
||||
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
|
||||
char dirname[UTIL_PATH_SIZE];
|
||||
DIR *dir2;
|
||||
struct dirent *dent2;
|
||||
|
||||
if (dent->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname, base, sizeof(dirname));
|
||||
util_strlcat(dirname, "/", sizeof(dirname));
|
||||
util_strlcat(dirname, dent->d_name, sizeof(dirname));
|
||||
if (attr_filtered(dirname))
|
||||
continue;
|
||||
if (device_list_insert(udev, dirname) != 0)
|
||||
continue;
|
||||
|
||||
/* look for partitions */
|
||||
dir2 = opendir(dirname);
|
||||
if (dir2 != NULL) {
|
||||
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
|
||||
char dirname2[UTIL_PATH_SIZE];
|
||||
|
||||
if (dent2->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
if (!strcmp(dent2->d_name,"device"))
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname2, dirname, sizeof(dirname2));
|
||||
util_strlcat(dirname2, "/", sizeof(dirname2));
|
||||
util_strlcat(dirname2, dent2->d_name, sizeof(dirname2));
|
||||
if (attr_filtered(dirname2))
|
||||
continue;
|
||||
device_list_insert(udev, dirname2);
|
||||
}
|
||||
closedir(dir2);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
}
|
||||
}
|
||||
|
||||
static void scan_class(struct udev *udev)
|
||||
{
|
||||
char base[UTIL_PATH_SIZE];
|
||||
DIR *dir;
|
||||
struct dirent *dent;
|
||||
|
||||
util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
|
||||
util_strlcat(base, "/class", sizeof(base));
|
||||
|
||||
dir = opendir(base);
|
||||
if (dir != NULL) {
|
||||
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
|
||||
char dirname[UTIL_PATH_SIZE];
|
||||
DIR *dir2;
|
||||
struct dirent *dent2;
|
||||
|
||||
if (dent->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
if (subsystem_filtered(dent->d_name))
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname, base, sizeof(dirname));
|
||||
util_strlcat(dirname, "/", sizeof(dirname));
|
||||
util_strlcat(dirname, dent->d_name, sizeof(dirname));
|
||||
dir2 = opendir(dirname);
|
||||
if (dir2 != NULL) {
|
||||
for (dent2 = readdir(dir2); dent2 != NULL; dent2 = readdir(dir2)) {
|
||||
char dirname2[UTIL_PATH_SIZE];
|
||||
|
||||
if (dent2->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
if (!strcmp(dent2->d_name, "device"))
|
||||
continue;
|
||||
|
||||
util_strlcpy(dirname2, dirname, sizeof(dirname2));
|
||||
util_strlcat(dirname2, "/", sizeof(dirname2));
|
||||
util_strlcat(dirname2, dent2->d_name, sizeof(dirname2));
|
||||
if (attr_filtered(dirname2))
|
||||
continue;
|
||||
device_list_insert(udev, dirname2);
|
||||
}
|
||||
closedir(dir2);
|
||||
}
|
||||
}
|
||||
closedir(dir);
|
||||
}
|
||||
}
|
||||
|
||||
static void scan_failed(struct udev *udev)
|
||||
static int enumerate_scan_failed(struct udev_enumerate *udev_enumerate)
|
||||
{
|
||||
struct udev *udev = udev_enumerate_get_udev(udev_enumerate);
|
||||
char base[UTIL_PATH_SIZE];
|
||||
DIR *dir;
|
||||
struct dirent *dent;
|
||||
@ -540,49 +75,63 @@ static void scan_failed(struct udev *udev)
|
||||
dir = opendir(base);
|
||||
if (dir != NULL) {
|
||||
for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
|
||||
char device[UTIL_PATH_SIZE];
|
||||
char syspath[UTIL_PATH_SIZE];
|
||||
size_t start;
|
||||
struct udev_device *device;
|
||||
|
||||
if (dent->d_name[0] == '.')
|
||||
continue;
|
||||
|
||||
start = util_strlcpy(device, udev_get_sys_path(udev), sizeof(device));
|
||||
if(start >= sizeof(device))
|
||||
start = sizeof(device) - 1;
|
||||
util_strlcat(device, dent->d_name, sizeof(device));
|
||||
util_path_decode(&device[start]);
|
||||
device_list_insert(udev, device);
|
||||
start = util_strlcpy(syspath, udev_get_sys_path(udev), sizeof(syspath));
|
||||
util_strlcat(syspath, dent->d_name, sizeof(syspath));
|
||||
util_path_decode(&syspath[start]);
|
||||
device = udev_device_new_from_syspath(udev, syspath);
|
||||
if (device == NULL)
|
||||
continue;
|
||||
udev_enumerate_add_device(udev_enumerate, device);
|
||||
udev_device_unref(device);
|
||||
}
|
||||
closedir(dir);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int udevadm_trigger(struct udev *udev, int argc, char *argv[])
|
||||
{
|
||||
int failed = 0;
|
||||
const char *sockpath = NULL;
|
||||
int option;
|
||||
const char *action = "add";
|
||||
const char *env = NULL;
|
||||
static const struct option options[] = {
|
||||
{ "verbose", 0, NULL, 'v' },
|
||||
{ "dry-run", 0, NULL, 'n' },
|
||||
{ "type", 0, NULL, 't' },
|
||||
{ "retry-failed", 0, NULL, 'F' },
|
||||
{ "socket", 1, NULL, 'o' },
|
||||
{ "help", 0, NULL, 'h' },
|
||||
{ "action", 1, NULL, 'c' },
|
||||
{ "subsystem-match", 1, NULL, 's' },
|
||||
{ "subsystem-nomatch", 1, NULL, 'S' },
|
||||
{ "attr-match", 1, NULL, 'a' },
|
||||
{ "attr-nomatch", 1, NULL, 'A' },
|
||||
{ "env", 1, NULL, 'e' },
|
||||
{ "help", 0, NULL, 'h' },
|
||||
{}
|
||||
};
|
||||
enum {
|
||||
TYPE_DEVICES,
|
||||
TYPE_SUBSYSTEMS,
|
||||
TYPE_FAILED,
|
||||
} device_type = TYPE_DEVICES;
|
||||
const char *action = "add";
|
||||
struct udev_enumerate *udev_enumerate;
|
||||
int rc = 0;
|
||||
|
||||
dbg(udev, "version %s\n", VERSION);
|
||||
udev_enumerate = udev_enumerate_new(udev);
|
||||
if (udev_enumerate == NULL) {
|
||||
rc = 1;
|
||||
goto exit;
|
||||
}
|
||||
|
||||
while (1) {
|
||||
option = getopt_long(argc, argv, "vnFo:hce::s:S:a:A:", options, NULL);
|
||||
int option;
|
||||
char attr[UTIL_PATH_SIZE];
|
||||
char *val;
|
||||
|
||||
option = getopt_long(argc, argv, "vnFo:t:hce::s:S:a:A:", options, NULL);
|
||||
if (option == -1)
|
||||
break;
|
||||
|
||||
@ -593,45 +142,63 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
|
||||
case 'n':
|
||||
dry_run = 1;
|
||||
break;
|
||||
case 'F':
|
||||
failed = 1;
|
||||
case 't':
|
||||
if (strcmp(optarg, "devices") == 0) {
|
||||
device_type = TYPE_DEVICES;
|
||||
} else if (strcmp(optarg, "subsystems") == 0) {
|
||||
device_type = TYPE_SUBSYSTEMS;
|
||||
} else if (strcmp(optarg, "failed") == 0) {
|
||||
device_type = TYPE_FAILED;
|
||||
} else {
|
||||
fprintf(stderr, "unknown type --type=%s\n", optarg);
|
||||
err(udev, "unknown type --type=%s\n", optarg);
|
||||
rc = 2;
|
||||
goto exit;
|
||||
}
|
||||
break;
|
||||
case 'o':
|
||||
sockpath = optarg;
|
||||
case 'F':
|
||||
device_type = TYPE_FAILED;
|
||||
break;
|
||||
case 'c':
|
||||
action = optarg;
|
||||
break;
|
||||
case 'e':
|
||||
if (strchr(optarg, '=') != NULL)
|
||||
env = optarg;
|
||||
break;
|
||||
case 's':
|
||||
name_list_add(udev, &filter_subsystem_match_list, optarg, 0);
|
||||
udev_enumerate_add_match_subsystem(udev_enumerate, optarg);
|
||||
break;
|
||||
case 'S':
|
||||
name_list_add(udev, &filter_subsystem_nomatch_list, optarg, 0);
|
||||
udev_enumerate_add_nomatch_subsystem(udev_enumerate, optarg);
|
||||
break;
|
||||
case 'a':
|
||||
name_list_add(udev, &filter_attr_match_list, optarg, 0);
|
||||
util_strlcpy(attr, optarg, sizeof(attr));
|
||||
val = strchr(attr, '=');
|
||||
if (val != NULL) {
|
||||
val[0] = 0;
|
||||
val = &val[1];
|
||||
}
|
||||
udev_enumerate_add_match_attr(udev_enumerate, attr, val);
|
||||
break;
|
||||
case 'A':
|
||||
name_list_add(udev, &filter_attr_nomatch_list, optarg, 0);
|
||||
util_strlcpy(attr, optarg, sizeof(attr));
|
||||
val = strchr(attr, '=');
|
||||
if (val != NULL) {
|
||||
val[0] = 0;
|
||||
val = &val[1];
|
||||
}
|
||||
udev_enumerate_add_nomatch_attr(udev_enumerate, attr, val);
|
||||
break;
|
||||
case 'h':
|
||||
printf("Usage: udevadm trigger OPTIONS\n"
|
||||
" --verbose print the list of devices while running\n"
|
||||
" --dry-run do not actually trigger the events\n"
|
||||
" --retry-failed trigger only the events which have been\n"
|
||||
" marked as failed during a previous run\n"
|
||||
" --socket=<socket path> pass events to socket instead of triggering kernel events\n"
|
||||
" --env=<KEY>=<value> pass an additional key (works only with --socket=)\n"
|
||||
" --type= type of events to trigger\n"
|
||||
" devices sys devices\n"
|
||||
" subsystems sys subsystems and drivers\n"
|
||||
" failed trigger only the events which have been\n"
|
||||
" marked as failed during a previous run\n"
|
||||
" --subsystem-match=<subsystem> trigger devices from a matching subystem\n"
|
||||
" --subsystem-nomatch=<subsystem> exclude devices from a matching subystem\n"
|
||||
" --attr-match=<file[=<value>]> trigger devices with a matching sysfs\n"
|
||||
" attribute\n"
|
||||
" --attr-nomatch=<file[=<value>]> exclude devices with a matching sysfs\n"
|
||||
" attribute\n"
|
||||
" --attr-match=<file[=<value>]> trigger devices with a matching attribute\n"
|
||||
" --attr-nomatch=<file[=<value>]> exclude devices with a matching attribute\n"
|
||||
" --help print this text\n"
|
||||
"\n");
|
||||
goto exit;
|
||||
@ -640,67 +207,23 @@ int udevadm_trigger(struct udev *udev, int argc, char *argv[])
|
||||
}
|
||||
}
|
||||
|
||||
if (sockpath != NULL) {
|
||||
struct stat stats;
|
||||
|
||||
sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
|
||||
memset(&saddr, 0x00, sizeof(struct sockaddr_un));
|
||||
saddr.sun_family = AF_LOCAL;
|
||||
if (sockpath[0] == '@') {
|
||||
/* abstract namespace socket requested */
|
||||
util_strlcpy(&saddr.sun_path[1], &sockpath[1], sizeof(saddr.sun_path)-1);
|
||||
saddrlen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(&saddr.sun_path[1]);
|
||||
} else if (stat(sockpath, &stats) == 0 && S_ISSOCK(stats.st_mode)) {
|
||||
/* existing socket file */
|
||||
util_strlcpy(saddr.sun_path, sockpath, sizeof(saddr.sun_path));
|
||||
saddrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path);
|
||||
} else {
|
||||
/* no socket file, assume abstract namespace socket */
|
||||
util_strlcpy(&saddr.sun_path[1], sockpath, sizeof(saddr.sun_path)-1);
|
||||
saddrlen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(&saddr.sun_path[1]);
|
||||
}
|
||||
} else if (env != NULL) {
|
||||
fprintf(stderr, "error: --env= only valid with --socket= option\n");
|
||||
switch (device_type) {
|
||||
case TYPE_FAILED:
|
||||
enumerate_scan_failed(udev_enumerate);
|
||||
exec_list(udev_enumerate, action);
|
||||
goto exit;
|
||||
case TYPE_SUBSYSTEMS:
|
||||
udev_enumerate_scan_subsystems(udev_enumerate);
|
||||
exec_list(udev_enumerate, action);
|
||||
goto exit;
|
||||
case TYPE_DEVICES:
|
||||
udev_enumerate_scan_devices(udev_enumerate);
|
||||
exec_list(udev_enumerate, action);
|
||||
goto exit;
|
||||
default:
|
||||
goto exit;
|
||||
}
|
||||
|
||||
if (failed) {
|
||||
scan_failed(udev);
|
||||
exec_list(udev, action, env);
|
||||
} else {
|
||||
char base[UTIL_PATH_SIZE];
|
||||
struct stat statbuf;
|
||||
|
||||
/* if we have /sys/subsystem, forget all the old stuff */
|
||||
util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
|
||||
util_strlcat(base, "/subsystem", sizeof(base));
|
||||
if (stat(base, &statbuf) == 0) {
|
||||
scan_subsystem(udev, "subsystem", SCAN_SUBSYSTEM);
|
||||
exec_list(udev, action, env);
|
||||
scan_subsystem(udev, "subsystem", SCAN_DEVICES);
|
||||
exec_list(udev, action, env);
|
||||
} else {
|
||||
scan_subsystem(udev, "bus", SCAN_SUBSYSTEM);
|
||||
exec_list(udev, action, env);
|
||||
scan_subsystem(udev, "bus", SCAN_DEVICES);
|
||||
scan_class(udev);
|
||||
|
||||
/* scan "block" if it isn't a "class" */
|
||||
util_strlcpy(base, udev_get_sys_path(udev), sizeof(base));
|
||||
util_strlcat(base, "/class/block", sizeof(base));
|
||||
if (stat(base, &statbuf) != 0)
|
||||
scan_block(udev);
|
||||
exec_list(udev, action, env);
|
||||
}
|
||||
}
|
||||
|
||||
exit:
|
||||
name_list_cleanup(udev, &filter_subsystem_match_list);
|
||||
name_list_cleanup(udev, &filter_subsystem_nomatch_list);
|
||||
name_list_cleanup(udev, &filter_attr_match_list);
|
||||
name_list_cleanup(udev, &filter_attr_nomatch_list);
|
||||
|
||||
if (sock >= 0)
|
||||
close(sock);
|
||||
return 0;
|
||||
udev_enumerate_unref(udev_enumerate);
|
||||
return rc;
|
||||
}
|
||||
|
||||
@ -150,7 +150,7 @@
|
||||
</refsect2>
|
||||
|
||||
<refsect2><title>udevadm trigger <optional>options</optional></title>
|
||||
<para>Request device uevents, usually used to replay events at system coldplug.</para>
|
||||
<para>Request device events from the kernel. Usually used to replay events at system coldplug time.</para>
|
||||
<variablelist>
|
||||
<varlistentry>
|
||||
<term><option>--verbose</option></term>
|
||||
@ -165,15 +165,17 @@
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><option>--retry-failed</option></term>
|
||||
<term><option>--type=<replaceable>type</replaceable></option></term>
|
||||
<listitem>
|
||||
<para>Trigger only the events which are failed during a previous run.</para>
|
||||
<para>Trigger a specific type of devices. Valid types are:
|
||||
<command>devices</command>, <command>subsystems</command>, <command>failed</command>.
|
||||
The default value is <command>devices</command>.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><option>--action=<replaceable>action</replaceable></option></term>
|
||||
<listitem>
|
||||
<para>Type of event to be triggered. The default value is "add".</para>
|
||||
<para>Type of event to be triggered. The default value is <command>add</command>.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
@ -208,23 +210,6 @@
|
||||
of the sysfs attribute is checked. This option can be specified multiple times.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><option>--socket=<replaceable>path</replaceable></option></term>
|
||||
<listitem>
|
||||
<para>Pass the synthesized events to the specified socket, instead of triggering
|
||||
a global kernel event. All available event values will be send in the same format
|
||||
the kernel sends an uevent, or <option>RUN+="socket:<replaceable>path</replaceable>"</option>
|
||||
sends a message. If the first character of the specified path is an @ character,
|
||||
an abstract namespace socket is used, instead of an existing socket file.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
<varlistentry>
|
||||
<term><option>--env=<replaceable>KEY</replaceable>=<replaceable>value</replaceable></option></term>
|
||||
<listitem>
|
||||
<para>Pass an additional environemt key to the event. This works only with the
|
||||
--socket option.</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
</variablelist>
|
||||
</refsect2>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user