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wifi/ap: explicitly unexport AP and refactor add/remove AP

Browse source 
For future use of ObjectManager, we must explicitly unexport
the AP and no longer depend on having it unexported during
deconstruction (because object manager keeps the instance alive).

Also refactor adding/removal of APs and move the export/unexport
calls to the place where we emit the signal.
This commit is contained in:
Thomas Haller 2015-11-04 12:43:56 +01:00
parent 0c1e290c97
commit 96f40dcdcd
2 changed files with 45 additions and 33 deletions
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58
src/devices/wifi/nm-device-wifi.c
View file

@ -162,7 +162,7 @@ static void supplicant_iface_notify_current_bss (NMSupplicantInterface *iface,
static void request_wireless_scan (NMDeviceWifi *self, GVariant *scan_options);
static void emit_ap_added_removed (NMDeviceWifi *self,
static void ap_add_remove (NMDeviceWifi *self,
guint signum,
NMAccessPoint *ap,
gboolean recheck_available_connections);
@ -358,12 +358,8 @@ set_current_ap (NMDeviceWifi *self, NMAccessPoint *new_ap, gboolean recheck_avai
if (old_ap) {
NM80211Mode mode = nm_ap_get_mode (old_ap);
if (force_remove_old_ap || mode == NM_802_11_MODE_ADHOC || mode == NM_802_11_MODE_AP || nm_ap_get_fake (old_ap)) {
emit_ap_added_removed (self, ACCESS_POINT_REMOVED, old_ap, FALSE);
g_hash_table_remove (priv->aps, nm_exported_object_get_path (NM_EXPORTED_OBJECT (old_ap)));
if (recheck_available_connections)
nm_device_recheck_available_connections (NM_DEVICE (self));
}
if (force_remove_old_ap || mode == NM_802_11_MODE_ADHOC || mode == NM_802_11_MODE_AP || nm_ap_get_fake (old_ap))
ap_add_remove (self, ACCESS_POINT_REMOVED, old_ap, recheck_available_connections);
g_object_unref (old_ap);
}
@ -442,13 +438,30 @@ bring_up (NMDevice *device, gboolean *no_firmware)
}
static void
emit_ap_added_removed (NMDeviceWifi *self,
ap_add_remove (NMDeviceWifi *self,
guint signum,
NMAccessPoint *ap,
gboolean recheck_available_connections)
{
NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
nm_assert (NM_IN_SET (signum, ACCESS_POINT_ADDED, ACCESS_POINT_REMOVED));
if (signum == ACCESS_POINT_ADDED) {
g_hash_table_insert (priv->aps,
(gpointer) nm_exported_object_export ((NMExportedObject *) ap),
g_object_ref (ap));
}
g_signal_emit (self, signals[signum], 0, ap);
g_object_notify (G_OBJECT (self), NM_DEVICE_WIFI_ACCESS_POINTS);
if (signum == ACCESS_POINT_REMOVED) {
g_hash_table_steal (priv->aps, nm_exported_object_get_path ((NMExportedObject *) ap));
nm_exported_object_unexport ((NMExportedObject *) ap);
g_object_unref (ap);
}
nm_device_emit_recheck_auto_activate (NM_DEVICE (self));
if (recheck_available_connections)
nm_device_recheck_available_connections (NM_DEVICE (self));
@ -461,17 +474,20 @@ remove_all_aps (NMDeviceWifi *self)
GHashTableIter iter;
NMAccessPoint *ap;
if (g_hash_table_size (priv->aps)) {
if (!g_hash_table_size (priv->aps))
return;
set_current_ap (self, NULL, FALSE, FALSE);
again:
g_hash_table_iter_init (&iter, priv->aps);
while (g_hash_table_iter_next (&iter, NULL, (gpointer) &ap)) {
emit_ap_added_removed (self, ACCESS_POINT_REMOVED, ap, FALSE);
g_hash_table_iter_remove (&iter);
if (g_hash_table_iter_next (&iter, NULL, (gpointer) &ap)) {
ap_add_remove (self, ACCESS_POINT_REMOVED, ap, FALSE);
goto again;
}
nm_device_recheck_available_connections (NM_DEVICE (self));
}
}
static void
deactivate (NMDevice *device)
@ -1520,7 +1536,7 @@ supplicant_iface_new_bss_cb (NMSupplicantInterface *iface,
NMAccessPoint *ap;
NMAccessPoint *found_ap = NULL;
const GByteArray *ssid;
const char *bssid, *ap_path;
const char *bssid;
g_return_if_fail (self != NULL);
g_return_if_fail (properties != NULL);
@ -1564,9 +1580,7 @@ supplicant_iface_new_bss_cb (NMSupplicantInterface *iface,
nm_ap_update_from_properties (found_ap, object_path, properties);
} else {
nm_ap_dump (ap, "added ", nm_device_get_iface (NM_DEVICE (self)));
ap_path = nm_exported_object_export (NM_EXPORTED_OBJECT (ap));
g_hash_table_insert (priv->aps, (gpointer) ap_path, g_object_ref (ap));
emit_ap_added_removed (self, ACCESS_POINT_ADDED, ap, TRUE);
ap_add_remove (self, ACCESS_POINT_ADDED, ap, TRUE);
}
g_object_unref (ap);
@ -1629,8 +1643,7 @@ supplicant_iface_bss_removed_cb (NMSupplicantInterface *iface,
nm_ap_set_fake (ap, TRUE);
} else {
nm_ap_dump (ap, "removed ", nm_device_get_iface (NM_DEVICE (self)));
emit_ap_added_removed (self, ACCESS_POINT_REMOVED, ap, TRUE);
g_hash_table_remove (priv->aps, nm_exported_object_get_path (NM_EXPORTED_OBJECT (ap)));
ap_add_remove (self, ACCESS_POINT_REMOVED, ap, TRUE);
schedule_ap_list_dump (self);
}
}
@ -2343,13 +2356,12 @@ act_stage1_prepare (NMDevice *device, NMDeviceStateReason *reason)
if (nm_ap_is_hotspot (ap))
nm_ap_set_address (ap, nm_device_get_hw_address (device));
ap_path = nm_exported_object_export (NM_EXPORTED_OBJECT (ap));
g_hash_table_insert (priv->aps, (gpointer) ap_path, ap);
g_object_freeze_notify (G_OBJECT (self));
emit_ap_added_removed (self, ACCESS_POINT_ADDED, ap, TRUE);
ap_add_remove (self, ACCESS_POINT_ADDED, ap, TRUE);
g_object_thaw_notify (G_OBJECT (self));
set_current_ap (self, ap, FALSE, FALSE);
nm_active_connection_set_specific_object (NM_ACTIVE_CONNECTION (req), ap_path);
nm_active_connection_set_specific_object (NM_ACTIVE_CONNECTION (req),
nm_exported_object_get_path (NM_EXPORTED_OBJECT (ap)));
return NM_ACT_STAGE_RETURN_SUCCESS;
done:

2
src/nm-exported-object.c
View file

@ -496,7 +496,7 @@ nm_exported_object_export (NMExportedObject *self)
priv = NM_EXPORTED_OBJECT_GET_PRIVATE (self);
g_return_val_if_fail (!priv->path, priv->path);
g_return_val_if_fail (!priv->bus_mgr, NULL);
g_return_val_if_fail (!priv->bus_mgr, priv->path);
#ifdef _ASSERT_NO_EARLY_EXPORT
nm_assert (priv->_constructed);