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_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;
if (m->friendly_name && l->managed)
link_set_friendly_name(l, m->friendly_name);
if (m->config_methods)
link_set_config_methods(l, m->config_methods);
if(use_dev)
link_use_dev(l);
#ifdef RELY_UDEV
bool managed = udev_device_has_tag(d, "miracle") && !lazy_managed;
#else
bool managed = (!interface_name || !strcmp(interface_name, ifname)) && !lazy_managed;
#endif
if (managed) {
link_set_managed(l, true);
} else {
log_debug("ignored device: %s", ifname);
}
}
static int show_sysfs_one(
struct udev *udev,
const char *seat,
struct udev_list_entry **item,
const char *sub,
const char *prefix,
unsigned n_columns) {
assert(udev);
assert(seat);
assert(item);
assert(prefix);
while (*item) {
struct udev_list_entry *next, *lookahead;
struct udev_device *d;
const char *sn, *name, *sysfs, *subsystem, *sysname;
char *l, *k;
bool is_master;
sysfs = udev_list_entry_get_name(*item);
if (!path_startswith(sysfs, sub))
return 0;
d = udev_device_new_from_syspath(udev, sysfs);
if (!d) {
*item = udev_list_entry_get_next(*item);
continue;
}
sn = udev_device_get_property_value(d, "ID_SEAT");
if (isempty(sn))
sn = "seat0";
/* Explicitly also check for tag 'seat' here */
if (!streq(seat, sn) || !udev_device_has_tag(d, "seat")) {
udev_device_unref(d);
*item = udev_list_entry_get_next(*item);
continue;
}
is_master = udev_device_has_tag(d, "seat-master");
name = udev_device_get_sysattr_value(d, "name");
if (!name)
name = udev_device_get_sysattr_value(d, "id");
subsystem = udev_device_get_subsystem(d);
sysname = udev_device_get_sysname(d);
/* Look if there's more coming after this */
lookahead = next = udev_list_entry_get_next(*item);
while (lookahead) {
const char *lookahead_sysfs;
lookahead_sysfs = udev_list_entry_get_name(lookahead);
if (path_startswith(lookahead_sysfs, sub) &&
!path_startswith(lookahead_sysfs, sysfs)) {
struct udev_device *lookahead_d;
lookahead_d = udev_device_new_from_syspath(udev, lookahead_sysfs);
if (lookahead_d) {
const char *lookahead_sn;
bool found;
lookahead_sn = udev_device_get_property_value(d, "ID_SEAT");
if (isempty(lookahead_sn))
lookahead_sn = "seat0";
found = streq(seat, lookahead_sn) && udev_device_has_tag(lookahead_d, "seat");
udev_device_unref(lookahead_d);
if (found)
break;
}
}
lookahead = udev_list_entry_get_next(lookahead);
}
k = ellipsize(sysfs, n_columns, 20);
printf("%s%s%s\n", prefix, draw_special_char(lookahead ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT),
k ? k : sysfs);
free(k);
if (asprintf(&l,
"%s%s:%s%s%s%s",
is_master ? "[MASTER] " : "",
subsystem, sysname,
name ? " \"" : "", name ? name : "", name ? "\"" : "") < 0) {
udev_device_unref(d);
return -ENOMEM;
}
k = ellipsize(l, n_columns, 70);
printf("%s%s%s\n", prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ",
k ? k : l);
free(k);
free(l);
*item = next;
if (*item) {
char *p;
p = strappend(prefix, lookahead ? draw_special_char(DRAW_TREE_VERT) : " ");
show_sysfs_one(udev, seat, item, sysfs, p ? p : prefix, n_columns - 2);
free(p);
}
udev_device_unref(d);
}
return 0;
}
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;
}
