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station: implement Scan on debug interface

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This is to support the autotesting framework by allowing a smaller
scan subset. This will cut down on the amount of time spent scanning
via normal DBus scans (where the entire spectrum is scanned).
This commit is contained in:
James Prestwood 2021-08-12 16:12:28 -07:00 committed by Denis Kenzior
parent ba6c8174d2
commit dffff73e89
1 changed files with 107 additions and 0 deletions
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107
src/station.c
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@ -3840,6 +3840,109 @@ invalid_args:
return dbus_error_invalid_args(message);
}
static void station_debug_scan_triggered(int err, void *user_data)
{
struct station *station = user_data;
struct l_dbus_message *reply;
if (err < 0) {
if (station->scan_pending) {
reply = dbus_error_from_errno(err,
station->scan_pending);
dbus_pending_reply(&station->scan_pending, reply);
}
station_dbus_scan_done(station);
return;
}
l_debug("debug scan triggered for %s",
netdev_get_name(station->netdev));
if (station->scan_pending) {
reply = l_dbus_message_new_method_return(station->scan_pending);
l_dbus_message_set_arguments(reply, "");
dbus_pending_reply(&station->scan_pending, reply);
}
station_property_set_scanning(station, true);
}
static bool station_debug_scan_results(int err, struct l_queue *bss_list,
const struct scan_freq_set *freqs,
void *userdata)
{
struct station *station = userdata;
bool autoconnect;
if (err) {
station_dbus_scan_done(station);
return false;
}
autoconnect = station_is_autoconnecting(station);
station_set_scan_results(station, bss_list, freqs, autoconnect);
station_dbus_scan_done(station);
return true;
}
static struct l_dbus_message *station_debug_scan(struct l_dbus *dbus,
struct l_dbus_message *message,
void *user_data)
{
struct station *station = user_data;
struct l_dbus_message_iter iter;
uint16_t *freqs;
uint32_t freqs_len;
struct scan_freq_set *freq_set;
unsigned int i;
if (station->dbus_scan_id)
return dbus_error_busy(message);
if (station->state == STATION_STATE_CONNECTING ||
station->state == STATION_STATE_CONNECTING_AUTO)
return dbus_error_busy(message);
if (!l_dbus_message_get_arguments(message, "aq", &iter))
goto invalid_args;
if (!l_dbus_message_iter_get_fixed_array(&iter, &freqs, &freqs_len))
goto invalid_args;
freq_set = scan_freq_set_new();
for (i = 0; i < freqs_len; i++) {
if (!scan_freq_set_add(freq_set, (uint32_t)freqs[i])) {
scan_freq_set_free(freq_set);
goto invalid_args;
}
l_debug("added frequency %u", freqs[i]);
}
station->dbus_scan_id = station_scan_trigger(station, freq_set,
station_debug_scan_triggered,
station_debug_scan_results,
NULL);
scan_freq_set_free(freq_set);
if (!station->dbus_scan_id)
goto failed;
station->scan_pending = l_dbus_message_ref(message);
return NULL;
failed:
return dbus_error_failed(message);
invalid_args:
return dbus_error_invalid_args(message);
}
static bool station_property_get_autoconnect(struct l_dbus *dbus,
struct l_dbus_message *message,
struct l_dbus_message_builder *builder,
@ -3884,6 +3987,10 @@ static void station_setup_debug_interface(
l_dbus_interface_method(interface, "Roam", 0,
station_force_roam, "", "ay", "mac");
l_dbus_interface_method(interface, "Scan", 0,
station_debug_scan, "", "aq",
"frequencies");
l_dbus_interface_property(interface, "AutoConnect", 0, "b",
station_property_get_autoconnect,
station_property_set_autoconnect);