#include "libsysfs/sysfs/libsysfs.h"
#include "libsysfs/dlist.h"
#include "udev.h"
-#include "udev_lib.h"
+#include "udev_utils.h"
#include "udev_version.h"
+#include "udev_db.h"
#include "logging.h"
-#include "udevdb.h"
-# define SYSFS_VALUE_MAX 200
-
-char **main_argv;
-int main_argc;
+#define SYSFS_VALUE_SIZE 256
#ifdef LOG
-unsigned char logname[LOGNAME_SIZE];
void log_message (int level, const char *format, ...)
{
va_list args;
}
#endif
-static int print_all_attributes(const char *path)
+static void print_all_attributes(struct dlist *attr_list)
{
- struct dlist *attributes;
struct sysfs_attribute *attr;
- struct sysfs_directory *sysfs_dir;
- char value[SYSFS_VALUE_MAX];
+ char value[SYSFS_VALUE_SIZE];
int len;
- int retval = 0;
-
- sysfs_dir = sysfs_open_directory(path);
- if (sysfs_dir == NULL)
- return -1;
- attributes = sysfs_get_dir_attributes(sysfs_dir);
- if (attributes == NULL) {
- retval = -1;
- goto exit;
- }
-
- dlist_for_each_data(attributes, attr, struct sysfs_attribute) {
+ dlist_for_each_data(attr_list, attr, struct sysfs_attribute) {
if (attr->value != NULL) {
strfieldcpy(value, attr->value);
len = strlen(value);
}
}
printf("\n");
-
-exit:
- sysfs_close_directory(sysfs_dir);
-
- return retval;
}
-/* callback for database dump */
-static int print_record(char *path, struct udevice *dev)
+static int print_record(struct udevice *udev)
{
- printf("P: %s\n", path);
- printf("N: %s\n", dev->name);
- printf("T: %c\n", dev->type);
- printf("M: %#o\n", dev->mode);
- printf("S: %s\n", dev->symlink);
- printf("O: %s\n", dev->owner);
- printf("G: %s\n", dev->group);
- printf("F: %s\n", dev->config_file);
- printf("L: %i\n", dev->config_line);
- printf("U: %li\n", dev->config_uptime);
- printf("\n");
+ struct name_entry *name_loop;
+
+ printf("P: %s\n", udev->devpath);
+ printf("N: %s\n", udev->name);
+ list_for_each_entry(name_loop, &udev->symlink_list, node)
+ printf("S: %s\n", name_loop->name);
+
return 0;
}
NAME,
PATH,
SYMLINK,
- MODE,
- OWNER,
- GROUP,
- ALL
+ ALL,
};
static int print_device_chain(const char *path)
struct sysfs_attribute *attr;
struct sysfs_device *sysfs_dev;
struct sysfs_device *sysfs_dev_parent;
+ struct dlist *attr_list;
int retval = 0;
- char type;
-
- type = get_device_type(path, "");
- dbg("device type is %c", type);
/* get the class dev */
class_dev = sysfs_open_class_device_path(path);
"to match the device for which the node will be created.\n"
"\n");
- if (type == 'b' || type =='c') {
- /* read the 'dev' file for major/minor*/
- attr = sysfs_get_classdev_attr(class_dev, "dev");
- if (attr == NULL) {
- printf("couldn't get the \"dev\" file\n");
- retval = -1;
- goto exit;
- }
+ /* look for the 'dev' file */
+ attr = sysfs_get_classdev_attr(class_dev, "dev");
+ if (attr != NULL)
printf("device '%s' has major:minor %s", class_dev->path, attr->value);
- }
/* open sysfs class device directory and print all attributes */
printf(" looking at class device '%s':\n", class_dev->path);
- if (print_all_attributes(class_dev->path) != 0) {
+ printf(" SUBSYSTEM=\"%s\"\n", class_dev->classname);
+
+ attr_list = sysfs_get_classdev_attributes(class_dev);
+ if (attr_list == NULL) {
printf("couldn't open class device directory\n");
retval = -1;
goto exit;
}
+ print_all_attributes(attr_list);
/* get the device link (if parent exists look here) */
class_dev_parent = sysfs_get_classdev_parent(class_dev);
/* look the device chain upwards */
while (sysfs_dev != NULL) {
+ attr_list = sysfs_get_device_attributes(sysfs_dev);
+ if (attr_list == NULL) {
+ printf("couldn't open device directory\n");
+ retval = -1;
+ goto exit;
+ }
+
printf(" looking at the device chain at '%s':\n", sysfs_dev->path);
printf(" BUS=\"%s\"\n", sysfs_dev->bus);
printf(" ID=\"%s\"\n", sysfs_dev->bus_id);
+ printf(" DRIVER=\"%s\"\n", sysfs_dev->driver_name);
/* open sysfs device directory and print all attributes */
- print_all_attributes(sysfs_dev->path);
+ print_all_attributes(attr_list);
sysfs_dev_parent = sysfs_get_device_parent(sysfs_dev);
if (sysfs_dev_parent == NULL)
return retval;
}
-static int process_options(void)
+static int print_dump(const char *devpath, const char *name) {
+ printf("%s:%s/%s\n", devpath, udev_root, name);
+ return 0;
+}
+
+int main(int argc, char *argv[], char *envp[])
{
static const char short_options[] = "adn:p:q:rVh";
int option;
- int retval = 1;
- struct udevice dev;
+ struct udevice udev;
int root = 0;
int attributes = 0;
enum query_type query = NONE;
- char result[NAME_SIZE] = "";
char path[NAME_SIZE] = "";
char name[NAME_SIZE] = "";
char temp[NAME_SIZE];
+ struct name_entry *name_loop;
char *pos;
+ int retval = 0;
+
+ logging_init("udevinfo");
+
+ udev_init_config();
+ udev_init_device(&udev, NULL, NULL);
/* get command line options */
while (1) {
- option = getopt(main_argc, main_argv, short_options);
+ option = getopt(argc, argv, short_options);
if (option == -1)
break;
break;
}
- if (strcmp(optarg, "mode") == 0) {
- query = MODE;
- break;
- }
-
- if (strcmp(optarg, "owner") == 0) {
- query = OWNER;
- break;
- }
-
- if (strcmp(optarg, "group") == 0) {
- query = GROUP;
- break;
- }
-
if (strcmp(optarg, "path") == 0) {
query = PATH;
break;
}
printf("unknown query type\n");
- exit(1);
+ retval = 1;
+ goto exit;
case 'r':
root = 1;
break;
case 'd':
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- exit(2);
- }
- udevdb_call_foreach(print_record);
- udevdb_exit();
- exit(0);
+ udev_db_dump_names(print_dump);
+ goto exit;
case 'V':
printf("udevinfo, version %s\n", UDEV_VERSION);
- exit(0);
+ goto exit;
case 'h':
- retval = 0;
+ retval = 2;
case '?':
default:
goto help;
/* process options */
if (query != NONE) {
- retval = udevdb_open_ro();
- if (retval != 0) {
- printf("unable to open udev database\n");
- return -EACCES;
- }
-
if (path[0] != '\0') {
/* remove sysfs_path if given */
if (strncmp(path, sysfs_path, strlen(sysfs_path)) == 0) {
} else {
if (path[0] != '/') {
/* prepend '/' if missing */
- strfieldcat(temp, "/");
+ strcpy(temp, "/");
strfieldcat(temp, path);
pos = temp;
} else {
pos = path;
}
}
- retval = udevdb_get_dev(pos, &dev);
+ retval = udev_db_get_device(&udev, pos);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
}
if (name[0] != '\0') {
+ char devpath[NAME_SIZE];
+ int len;
+
/* remove udev_root if given */
- if (strncmp(name, udev_root, strlen(udev_root)) == 0) {
- pos = name + strlen(udev_root);
+ len = strlen(udev_root);
+ if (strncmp(name, udev_root, len) == 0) {
+ pos = &name[len+1];
} else
pos = name;
- retval = udevdb_get_dev_byname(pos, path, &dev);
+
+ retval = udev_db_search_name(devpath, DEVPATH_SIZE, pos);
if (retval != 0) {
printf("device not found in database\n");
goto exit;
}
+ udev_db_get_device(&udev, devpath);
goto print;
}
printf("query needs device path(-p) or node name(-n) specified\n");
+ retval = 3;
goto exit;
print:
switch(query) {
case NAME:
if (root)
- strfieldcpy(result, udev_root);
- strfieldcat(result, dev.name);
- break;
-
+ printf("%s/%s\n", udev_root, udev.name);
+ else
+ printf("%s\n", udev.name);
+ goto exit;
case SYMLINK:
- strfieldcpy(result, dev.symlink);
- break;
-
- case MODE:
- sprintf(result, "%#o", dev.mode);
- break;
-
- case GROUP:
- strfieldcpy(result, dev.group);
- break;
-
- case OWNER:
- strfieldcpy(result, dev.owner);
- break;
-
+ if (list_empty(&udev.symlink_list))
+ break;
+ if (root)
+ list_for_each_entry(name_loop, &udev.symlink_list, node)
+ printf("%s/%s ", udev_root, name_loop->name);
+ else
+ list_for_each_entry(name_loop, &udev.symlink_list, node)
+ printf("%s ", name_loop->name);
+ printf("\n");
+ goto exit;
case PATH:
- strfieldcpy(result, path);
- break;
-
+ printf("%s\n", udev.devpath);
+ goto exit;
case ALL:
- print_record(path, &dev);
+ print_record(&udev);
goto exit;
-
default:
- goto exit;
+ goto help;
}
- printf("%s\n", result);
-
-exit:
- udevdb_exit();
- return retval;
}
if (attributes) {
if (path[0] == '\0') {
printf("attribute walk on device chain needs path(-p) specified\n");
- return -EINVAL;
+ retval = 4;
+ goto exit;
} else {
if (strncmp(path, sysfs_path, strlen(sysfs_path)) != 0) {
/* prepend sysfs mountpoint if not given */
strfieldcat(path, temp);
}
print_device_chain(path);
- return 0;
+ goto exit;
}
}
if (root) {
printf("%s\n", udev_root);
- return 0;
+ goto exit;
}
help:
- printf("Usage: [-anpqrdVh]\n"
+ printf("Usage: udevinfo [-anpqrVh]\n"
" -q TYPE query database for the specified value:\n"
" 'name' name of device node\n"
" 'symlink' pointing to node\n"
- " 'mode' permissions of node\n"
- " 'owner' of node\n"
- " 'group' of node\n"
" 'path' sysfs device path\n"
" 'all' all values\n"
"\n"
"\n"
" -r print udev root\n"
" -a print all SYSFS_attributes along the device chain\n"
- " -d dump whole database\n"
+ " -d print the relationship of devpath and the node name for all\n"
+ " devices available in the database\n"
" -V print udev version\n"
" -h print this help text\n"
"\n");
- return retval;
-}
-
-int main(int argc, char *argv[], char *envp[])
-{
- int retval;
-
- main_argv = argv;
- main_argc = argc;
- init_logging("udevinfo");
-
- /* initialize our configuration */
- udev_init_config();
-
- retval = process_options();
- if (retval != 0)
- exit(1);
- exit(0);
+exit:
+ udev_cleanup_device(&udev);
+ logging_close();
+ return retval;
}