gboolean
g_variant_lookup (GVariant *dictionary,
const gchar *key,
const gchar *format_string,
...)
{
GVariantType *type;
GVariant *value;
/* flatten */
g_variant_get_data (dictionary);
type = g_variant_type_new (format_string);
value = g_variant_lookup_value (dictionary, key, type);
g_variant_type_free (type);
if (value)
{
va_list ap;
va_start (ap, format_string);
g_variant_get_va (value, format_string, NULL, &ap);
g_variant_unref (value);
va_end (ap);
return TRUE;
}
else
return FALSE;
}
gboolean
eas_gdbus_call_finish (struct eas_gdbus_client *client, GAsyncResult *result,
guint cancel_serial, const gchar *out_params,
va_list *ap, GError **error)
{
GDBusMessage *reply;
gchar *out_params_type = (gchar *) out_params;
gboolean success = FALSE;
GVariant *v;
reply = g_dbus_connection_send_message_with_reply_finish(client->connection,
result, error);
if (cancel_serial) {
GDBusMessage *message;
message = g_dbus_message_new_method_call (EAS_SERVICE_NAME,
EAS_SERVICE_COMMON_OBJECT_PATH,
EAS_SERVICE_COMMON_INTERFACE,
"cancel_request");
g_dbus_message_set_body (message,
g_variant_new ("(su)",
client->account_uid,
cancel_serial));
g_dbus_connection_send_message (client->connection,
message,
G_DBUS_SEND_MESSAGE_FLAGS_NONE,
NULL, NULL);
g_object_unref (message);
}
if (!reply)
return FALSE;
/* g_variant_is_of_type() will fail to match a DBus return
of (sas) with a format string of (s^as), where the ^ is
required to make it convert to a strv instead of something
more complicated. So we remove all ^ characters from the
string that we show to g_variant_is_of_type(). Ick. */
if (out_params && strchr (out_params, '^')) {
gchar *x, *y;
out_params_type = g_strdup (out_params);
x = y = strchr (out_params_type, '^');
y++;
while (*y) {
if (*y == '^')
y++;
else
*(x++) = *(y++);
}
*x = 0;
}
switch (g_dbus_message_get_message_type (reply)) {
case G_DBUS_MESSAGE_TYPE_METHOD_RETURN:
/* An empty (successful) response will give a NULL GVariant here */
v = g_dbus_message_get_body (reply);
if (!out_params) {
if (v)
goto inval;
else {
success = TRUE;
break;
}
}
if (!g_variant_is_of_type (v, G_VARIANT_TYPE (out_params_type))) {
inval:
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
"ActiveSync DBus call returned invalid response type %s",
v?g_variant_get_type_string (v):"()");
goto out;
g_object_unref (reply);
}
g_variant_get_va (v, out_params, NULL, ap);
success = TRUE;
break;
case G_DBUS_MESSAGE_TYPE_ERROR:
g_dbus_message_to_gerror (reply, error);
break;
default:
g_set_error (error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT,
"EAS DBus call returned weird message type %d",
g_dbus_message_get_message_type (reply));
break;
}
out:
if (out_params_type != out_params)
g_free (out_params_type);
g_object_unref (reply);
return success;
}
