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GDBusProxy: Add G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES flag

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This is useful when using certain D-Bus services where the
PropertiesChanged signal does not include the property value such as
e.g. various systemd mechanisms, see e.g.

 https://bugs.freedesktop.org/show_bug.cgi?id=37632

Signed-off-by: David Zeuthen <davidz@redhat.com>
This commit is contained in:
David Zeuthen
2012-02-08 12:46:04 -05:00
parent 1370804f2b
commit a067df5d72
4 changed files with 153 additions and 12 deletions
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47
gio/tests/gdbus-proxy.c
View File

@@ -280,7 +280,7 @@ test_properties (GDBusProxy *proxy)
*/
result = g_dbus_proxy_call_sync (proxy,
"FrobInvalidateProperty",
NULL,
g_variant_new ("(s)", "OMGInvalidated"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
@@ -294,6 +294,51 @@ test_properties (GDBusProxy *proxy)
/* ... and now we finally, check that the cached value has been invalidated */
variant = g_dbus_proxy_get_cached_property (proxy, "PropertyThatWillBeInvalidated");
g_assert (variant == NULL);
/* Now test that G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES works - we need a new proxy for that */
gchar *name_owner;
GDBusProxy *proxy2;
error = NULL;
proxy2 = g_dbus_proxy_new_sync (g_dbus_proxy_get_connection (proxy),
G_DBUS_PROXY_FLAGS_GET_INVALIDATED_PROPERTIES,
NULL, /* GDBusInterfaceInfo */
"com.example.TestService", /* name */
"/com/example/TestObject", /* object path */
"com.example.Frob", /* interface */
NULL, /* GCancellable */
&error);
g_assert_no_error (error);
name_owner = g_dbus_proxy_get_name_owner (proxy2);
g_assert (name_owner != NULL);
g_free (name_owner);
variant = g_dbus_proxy_get_cached_property (proxy2, "PropertyThatWillBeInvalidated");
g_assert (variant != NULL);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "OMGInvalidated"); /* from previous test */
g_variant_unref (variant);
result = g_dbus_proxy_call_sync (proxy2,
"FrobInvalidateProperty",
g_variant_new ("(s)", "OMGInvalidated2"),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
&error);
g_assert_no_error (error);
g_assert (result != NULL);
g_assert_cmpstr (g_variant_get_type_string (result), ==, "()");
g_variant_unref (result);
/* this time we should get the ::g-properties-changed _with_ the value */
_g_assert_signal_received (proxy2, "g-properties-changed");
variant = g_dbus_proxy_get_cached_property (proxy2, "PropertyThatWillBeInvalidated");
g_assert (variant != NULL);
g_assert_cmpstr (g_variant_get_string (variant, NULL), ==, "OMGInvalidated2");
g_variant_unref (variant);
g_object_unref (proxy2);
}
/* ---------------------------------------------------------------------------------------------------- */

6
gio/tests/gdbus-testserver.py
View File

@@ -193,9 +193,9 @@ class TestService(dbus.service.Object):
# ----------------------------------------------------------------------------------------------------
@dbus.service.method("com.example.Frob",
in_signature='', out_signature='')
def FrobInvalidateProperty(self):
self.frob_props["PropertyThatWillBeInvalidated"] = "OMGInvalidated"
in_signature='s', out_signature='')
def FrobInvalidateProperty(self, new_value):
self.frob_props["PropertyThatWillBeInvalidated"] = new_value
message = dbus.lowlevel.SignalMessage("/com/example/TestObject",
"org.freedesktop.DBus.Properties",
"PropertiesChanged")