#include <dirent.h>
#include <fcntl.h>
#include <ctype.h>
+#include <net/if.h>
#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <linux/sockios.h>
#include "libudev.h"
#include "libudev-private.h"
bool uevent_loaded;
bool is_initialized;
bool sysattr_list_read;
+ bool db_persist;
};
struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value)
return udev_list_entry_get_value(list_entry);
}
-int udev_device_read_db(struct udev_device *udev_device)
+int udev_device_read_db(struct udev_device *udev_device, const char *dbfile)
{
- const char *id;
char filename[UTIL_PATH_SIZE];
char line[UTIL_LINE_SIZE];
FILE *f;
- if (udev_device->db_loaded)
- return 0;
- udev_device->db_loaded = true;
+ /* providing a database file will always force-load it */
+ if (dbfile == NULL) {
+ const char *id;
- id = udev_device_get_id_filename(udev_device);
- if (id == NULL)
- return -1;
- util_strscpyl(filename, sizeof(filename), udev_get_dev_path(udev_device->udev), "/.udev/db/", id, NULL);
- f = fopen(filename, "re");
+ if (udev_device->db_loaded)
+ return 0;
+ udev_device->db_loaded = true;
+
+ id = udev_device_get_id_filename(udev_device);
+ if (id == NULL)
+ return -1;
+ util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev_device->udev), "/data/", id, NULL);
+ dbfile = filename;
+ }
+
+ f = fopen(dbfile, "re");
if (f == NULL) {
- info(udev_device->udev, "no db file to read %s: %m\n", filename);
+ info(udev_device->udev, "no db file to read %s: %m\n", dbfile);
return -1;
}
udev_device->is_initialized = true;
if (sscanf(id, "%c%i:%i", &type, &maj, &min) != 3)
return NULL;
return udev_device_new_from_devnum(udev, type, makedev(maj, min));
+ case 'n': {
+ int sk;
+ struct ifreq ifr;
+ struct udev_device *dev;
+ int ifindex;
+
+ ifindex = strtoul(&id[1], NULL, 10);
+ if (ifindex <= 0)
+ return NULL;
+
+ sk = socket(PF_INET, SOCK_DGRAM, 0);
+ if (sk < 0)
+ return NULL;
+ memset(&ifr, 0x00, sizeof(struct ifreq));
+ ifr.ifr_ifindex = ifindex;
+ if (ioctl(sk, SIOCGIFNAME, &ifr) != 0) {
+ close(sk);
+ return NULL;
+ }
+ close(sk);
+
+ dev = udev_device_new_from_subsystem_sysname(udev, "net", ifr.ifr_name);
+ if (dev == NULL)
+ return NULL;
+ if (udev_device_get_ifindex(dev) == ifindex)
+ return dev;
+ udev_device_unref(dev);
+ return NULL;
+ }
case '+':
util_strscpy(subsys, sizeof(subsys), &id[1]);
sysname = strchr(subsys, ':');
return NULL;
if (!udev_device->info_loaded) {
udev_device_read_uevent_file(udev_device);
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
}
/* we might get called before we handled an event and have a db, use the kernel-provided name */
if (udev_device == NULL)
return NULL;
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
return udev_list_get_entry(&udev_device->devlinks_list);
}
return NULL;
if (!udev_device->info_loaded) {
udev_device_read_uevent_file(udev_device);
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
}
if (!udev_device->devlinks_uptodate) {
char symlinks[UTIL_PATH_SIZE];
if (udev_device == NULL)
return 0;
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
if (udev_device->usec_initialized == 0)
return 0;
now = usec_monotonic();
int udev_device_get_is_initialized(struct udev_device *udev_device)
{
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
return udev_device->is_initialized;
}
struct udev_list_entry *list_entry;
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
list_entry = udev_device_get_tags_list_entry(udev_device);
list_entry = udev_list_entry_get_by_name(list_entry, tag);
if (list_entry != NULL)
int udev_device_get_event_timeout(struct udev_device *udev_device)
{
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
return udev_device->event_timeout;
}
int udev_device_get_devlink_priority(struct udev_device *udev_device)
{
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
return udev_device->devlink_priority;
}
int udev_device_get_watch_handle(struct udev_device *udev_device)
{
if (!udev_device->info_loaded)
- udev_device_read_db(udev_device);
+ udev_device_read_db(udev_device, NULL);
return udev_device->watch_handle;
}
udev_device_add_property(udev_device, "IFINDEX", num);
return 0;
}
+
+bool udev_device_get_db_persist(struct udev_device *udev_device)
+{
+ return udev_device->db_persist;
+}
+
+void udev_device_set_db_persist(struct udev_device *udev_device)
+{
+ udev_device->db_persist = true;
+}