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exported-object: cache signal-id for "property-changed" in InterfaceData

Browse source 
Instead of looking up the signal-id every time, cache it.
g_signal_lookup() requires a g_quark_try_string() and a
lock a lock on a global mutex.

Downside is that the InterfaceData structure grows.
This commit is contained in:
Thomas Haller 2016-03-30 12:36:37 +02:00
parent 6a42e18d53
commit 05d4faf334
1 changed files with 8 additions and 9 deletions
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17
src/nm-exported-object.c
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@ -40,6 +40,7 @@ G_DEFINE_ABSTRACT_TYPE_WITH_CODE (NMExportedObject, nm_exported_object, G_TYPE_D
typedef struct {
GDBusInterfaceSkeleton *interface;
guint property_changed_signal_id;
} InterfaceData;
typedef struct {
@ -488,6 +489,8 @@ nm_exported_object_create_skeletons (NMExportedObject *self,
methods_len,
(GObject *) self);
g_dbus_object_skeleton_add_interface ((GDBusObjectSkeleton *) self, ifdata->interface);
ifdata->property_changed_signal_id = g_signal_lookup ("properties-changed", G_OBJECT_TYPE (ifdata->interface));
}
nm_assert (i == 0);
@ -764,8 +767,7 @@ idle_emit_properties_changed (gpointer self)
{
NMExportedObjectPrivate *priv = NM_EXPORTED_OBJECT_GET_PRIVATE (self);
gs_unref_variant GVariant *variant = NULL;
GDBusInterfaceSkeleton *interface = NULL;
guint signal_id = 0;
InterfaceData *ifdata = NULL;
GHashTableIter hash_iter;
GVariantBuilder notifies;
guint i, n;
@ -795,15 +797,12 @@ idle_emit_properties_changed (gpointer self)
g_hash_table_remove_all (priv->pending_notifies);
for (i = 0; i < priv->num_interfaces; i++) {
InterfaceData *ifdata = &priv->interfaces[i];
signal_id = g_signal_lookup ("properties-changed", G_OBJECT_TYPE (ifdata->interface));
if (signal_id != 0) {
interface = ifdata->interface;
if (priv->interfaces[i].property_changed_signal_id != 0) {
ifdata = &priv->interfaces[i];
break;
}
}
g_return_val_if_fail (signal_id != 0, FALSE);
g_return_val_if_fail (ifdata, FALSE);
if (nm_logging_enabled (LOGL_DEBUG, LOGD_DBUS_PROPS)) {
gs_free char *notification = g_variant_print (variant, TRUE);
@ -812,7 +811,7 @@ idle_emit_properties_changed (gpointer self)
G_OBJECT_TYPE_NAME (self), self, notification);
}
g_signal_emit (interface, signal_id, 0, variant);
g_signal_emit (ifdata->interface, ifdata->property_changed_signal_id, 0, variant);
return FALSE;
}