static int manager_udev_fn(sd_event_source *source,
int fd,
uint32_t mask,
void *data)
{
_cleanup_udev_device_ struct udev_device *d = NULL;
struct manager *m = data;
const char *action, *ifname;
unsigned int ifindex;
struct link *l;
d = udev_monitor_receive_device(m->udev_mon);
if (!d)
return 0;
ifindex = ifindex_from_udev_device(d);
if (!ifindex)
return 0;
l = manager_find_link(m, ifindex);
action = udev_device_get_action(d);
if (action && !strcmp(action, "remove")) {
if (l)
link_free(l);
} else if (l) {
ifname = udev_device_get_property_value(d, "INTERFACE");
if (action && !strcmp(action, "move")) {
if (ifname)
link_renamed(l, ifname);
}
#ifdef RELY_UDEV
if (udev_device_has_tag(d, "miracle") && !lazy_managed)
link_set_managed(l, true);
else
link_set_managed(l, false);
#else
if ((!interface_name || !strcmp(interface_name, ifname)) && !lazy_managed) {
link_set_managed(l, true);
} else {
log_debug("ignored device: %s", ifname);
}
#endif
} else {
manager_add_udev_link(m, d);
}
return 0;
}
static void manager_read_links(struct manager *m)
{
_cleanup_udev_enumerate_ struct udev_enumerate *e = NULL;
struct udev_list_entry *l;
struct udev_device *d;
int r;
e = udev_enumerate_new(m->udev);
if (!e)
goto error;
r = udev_enumerate_add_match_subsystem(e, "net");
if (r < 0)
goto error;
r = udev_enumerate_add_match_property(e, "DEVTYPE", "wlan");
if (r < 0)
goto error;
r = udev_enumerate_add_match_is_initialized(e);
if (r < 0)
goto error;
r = udev_enumerate_scan_devices(e);
if (r < 0)
goto error;
udev_list_entry_foreach(l, udev_enumerate_get_list_entry(e)) {
d = udev_device_new_from_syspath(m->udev,
udev_list_entry_get_name(l));
if (!d)
goto error;
manager_add_udev_link(m, d);
udev_device_unref(d);
}
static void manager_add_udev_link(struct manager *m,
struct udev_device *d)
{
struct link *l;
unsigned int ifindex;
const char *ifname;
int r;
ifindex = ifindex_from_udev_device(d);
if (!ifindex)
return;
ifname = udev_device_get_property_value(d, "INTERFACE");
if (!ifname)
return;
if (interface_name && strcmp(interface_name, ifname)) {
return;
}
/* ignore dynamic p2p interfaces */
if (shl_startswith(ifname, "p2p-"))
return;
r = link_new(m, ifindex, ifname, &l);
if (r < 0)
return;
link_set_friendly_name(l, m->friendly_name);
#ifdef RELY_UDEV
if (udev_device_has_tag(d, "miracle")) {
#else
if (!interface_name || !strcmp(interface_name, ifname)) {
#endif
link_set_managed(l, true);
} else {
log_debug("ignored device: %s", ifname);
}
}
static int manager_udev_fn(sd_event_source *source,
int fd,
uint32_t mask,
void *data)
{
_cleanup_udev_device_ struct udev_device *d = NULL;
struct manager *m = data;
const char *action, *ifname;
unsigned int ifindex;
struct link *l;
d = udev_monitor_receive_device(m->udev_mon);
if (!d)
return 0;
ifindex = ifindex_from_udev_device(d);
if (!ifindex)
return 0;
l = manager_find_link(m, ifindex);
action = udev_device_get_action(d);
if (action && !strcmp(action, "remove")) {
if (l)
link_free(l);
} else if (l) {
ifname = udev_device_get_property_value(d, "INTERFACE");
if (action && !strcmp(action, "move")) {
if (ifname)
link_renamed(l, ifname);
}
#ifdef RELY_UDEV
if (udev_device_has_tag(d, "miracle"))
link_set_managed(l, true);
else
link_set_managed(l, false);
#else
if (!interface_name || !strcmp(interface_name, ifname)) {
link_set_managed(l, true);
} else {
log_debug("ignored device: %s", ifname);
}
#endif
} else {
manager_add_udev_link(m, d);
}
return 0;
}