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policy: refactor tracking of registered devices

Browse source 
No need to track the signal id of the device. We unsubscribe
all devices together, hence we can just use
g_signal_handlers_disconnect_by_data().
This commit is contained in:
Thomas Haller 2016-04-04 13:44:30 +02:00
parent 47c6b6db07
commit 7e3d090acb
1 changed files with 46 additions and 47 deletions
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93
src/nm-policy.c
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@ -62,7 +62,8 @@ typedef struct {
GSList *pending_activation_checks;
GSList *manager_ids;
GSList *settings_ids;
GSList *dev_ids;
GHashTable *devices;
GSList *pending_secondaries;
@ -1363,42 +1364,37 @@ device_recheck_auto_activate (NMDevice *device, gpointer user_data)
schedule_activate_check (NM_POLICY (user_data), device);
}
typedef struct {
gulong id;
NMDevice *device;
} DeviceSignalId;
static void
devices_list_unregister (NMPolicy *self, NMDevice *device)
{
g_signal_handlers_disconnect_by_data ((GObject *) device, self);
}
static void
_connect_device_signal (NMPolicy *self,
NMDevice *device,
const char *name,
gpointer callback,
gboolean after)
devices_list_register (NMPolicy *self, NMDevice *device)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE (self);
DeviceSignalId *data;
data = g_slice_new0 (DeviceSignalId);
g_assert (data);
if (after)
data->id = g_signal_connect_after (device, name, callback, self);
else
data->id = g_signal_connect (device, name, callback, self);
data->device = device;
priv->dev_ids = g_slist_prepend (priv->dev_ids, data);
/* Connect state-changed with _after, so that the handler is invoked after other handlers. */
g_signal_connect_after (device, NM_DEVICE_STATE_CHANGED, (GCallback) device_state_changed, self);
g_signal_connect (device, NM_DEVICE_IP4_CONFIG_CHANGED, (GCallback) device_ip4_config_changed, self);
g_signal_connect (device, NM_DEVICE_IP6_CONFIG_CHANGED, (GCallback) device_ip6_config_changed, self);
g_signal_connect (device, "notify::" NM_DEVICE_AUTOCONNECT, (GCallback) device_autoconnect_changed, self);
g_signal_connect (device, NM_DEVICE_RECHECK_AUTO_ACTIVATE, (GCallback) device_recheck_auto_activate, self);
}
static void
device_added (NMManager *manager, NMDevice *device, gpointer user_data)
{
NMPolicy *self = (NMPolicy *) user_data;
NMPolicyPrivate *priv;
/* Connect state-changed with _after, so that the handler is invoked after other handlers. */
_connect_device_signal (self, device, NM_DEVICE_STATE_CHANGED, device_state_changed, TRUE);
_connect_device_signal (self, device, NM_DEVICE_IP4_CONFIG_CHANGED, device_ip4_config_changed, FALSE);
_connect_device_signal (self, device, NM_DEVICE_IP6_CONFIG_CHANGED, device_ip6_config_changed, FALSE);
_connect_device_signal (self, device, "notify::" NM_DEVICE_AUTOCONNECT, device_autoconnect_changed, FALSE);
_connect_device_signal (self, device, NM_DEVICE_RECHECK_AUTO_ACTIVATE, device_recheck_auto_activate, FALSE);
g_return_if_fail (NM_IS_POLICY (self));
priv = NM_POLICY_GET_PRIVATE (self);
if (!nm_g_hash_table_add (priv->devices, device))
g_return_if_reached ();
devices_list_register (self, device);
}
static void
@ -1406,24 +1402,12 @@ device_removed (NMManager *manager, NMDevice *device, gpointer user_data)
{
NMPolicy *self = (NMPolicy *) user_data;
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE (self);
GSList *iter;
/* Clear any idle callbacks for this device */
clear_pending_activate_check (self, device);
/* Clear any signal handlers for this device */
iter = priv->dev_ids;
while (iter) {
DeviceSignalId *data = iter->data;
GSList *next = g_slist_next (iter);
if (data->device == device) {
g_signal_handler_disconnect (data->device, data->id);
g_slice_free (DeviceSignalId, data);
priv->dev_ids = g_slist_delete_link (priv->dev_ids, iter);
}
iter = next;
}
if (g_hash_table_remove (priv->devices, device))
devices_list_unregister (self, device);
/* Don't update routing and DNS here as we've already handled that
* for devices that need it when the device's state changed to UNMANAGED.
@ -1847,6 +1831,9 @@ _connect_settings_signal (NMPolicy *self, const char *name, gpointer callback)
static void
nm_policy_init (NMPolicy *self)
{
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE (self);
priv->devices = g_hash_table_new (NULL, NULL);
}
static void
@ -1914,6 +1901,8 @@ dispose (GObject *object)
NMPolicy *self = NM_POLICY (object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE (self);
const GSList *connections, *iter;
GHashTableIter h_iter;
NMDevice *device;
nm_clear_g_cancellable (&priv->lookup_cancellable);
@ -1945,13 +1934,11 @@ dispose (GObject *object)
g_signal_handler_disconnect (priv->settings, (gulong) iter->data);
g_clear_pointer (&priv->settings_ids, g_slist_free);
for (iter = priv->dev_ids; iter; iter = g_slist_next (iter)) {
DeviceSignalId *data = iter->data;
g_signal_handler_disconnect (data->device, data->id);
g_slice_free (DeviceSignalId, data);
g_hash_table_iter_init (&h_iter, priv->devices);
if (g_hash_table_iter_next (&h_iter, (gpointer *) &device, NULL)) {
g_hash_table_iter_remove (&h_iter);
devices_list_unregister (self, device);
}
g_clear_pointer (&priv->dev_ids, g_slist_free);
/* The manager should have disposed of ActiveConnections already, which
* will have called active_connection_removed() and thus we don't need
@ -1972,6 +1959,17 @@ dispose (GObject *object)
G_OBJECT_CLASS (nm_policy_parent_class)->dispose (object);
}
static void
finalize (GObject *object)
{
NMPolicy *self = NM_POLICY (object);
NMPolicyPrivate *priv = NM_POLICY_GET_PRIVATE (self);
g_hash_table_unref (priv->devices);
G_OBJECT_CLASS (nm_policy_parent_class)->finalize (object);
}
static void
nm_policy_class_init (NMPolicyClass *policy_class)
{
@ -1983,6 +1981,7 @@ nm_policy_class_init (NMPolicyClass *policy_class)
object_class->set_property = set_property;
object_class->constructed = constructed;
object_class->dispose = dispose;
object_class->finalize = finalize;
obj_properties[PROP_MANAGER] =
g_param_spec_object (NM_POLICY_MANAGER, "", "",