* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
- * Public License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Author: David Zeuthen <davidz@redhat.com>
*/
#include "gdbuserror.h"
#include "gdbusprivate.h"
+#ifdef G_OS_UNIX
+#include "gunixfdlist.h"
+#endif
+
#include "glibintl.h"
/**
gchar *object_path;
gchar *interface_name;
gchar *method_name;
- const GDBusMethodInfo *method_info;
+ GDBusMethodInfo *method_info;
+ GDBusPropertyInfo *property_info;
GDBusConnection *connection;
GDBusMessage *message;
GVariant *parameters;
g_free (invocation->object_path);
g_free (invocation->interface_name);
g_free (invocation->method_name);
+ if (invocation->method_info)
+ g_dbus_method_info_unref (invocation->method_info);
g_object_unref (invocation->connection);
g_object_unref (invocation->message);
g_variant_unref (invocation->parameters);
*
* Gets the name of the D-Bus interface the method was invoked on.
*
+ * If this method call is a property Get, Set or GetAll call that has
+ * been redirected to the method call handler then
+ * "org.freedesktop.DBus.Properties" will be returned. See
+ * #GDBusInterfaceVTable for more information.
+ *
* Returns: A string. Do not free, it is owned by @invocation.
*
* Since: 2.26
*
* Gets information about the method call, if any.
*
+ * If this method invocation is a property Get, Set or GetAll call that
+ * has been redirected to the method call handler then %NULL will be
+ * returned. See g_dbus_method_invocation_get_property_info() and
+ * #GDBusInterfaceVTable for more information.
+ *
* Returns: A #GDBusMethodInfo or %NULL. Do not free, it is owned by @invocation.
*
* Since: 2.26
}
/**
+ * g_dbus_method_invocation_get_property_info:
+ * @invocation: A #GDBusMethodInvocation
+ *
+ * Gets information about the property that this method call is for, if
+ * any.
+ *
+ * This will only be set in the case of an invocation in response to a
+ * property Get or Set call that has been directed to the method call
+ * handler for an object on account of its property_get() or
+ * property_set() vtable pointers being unset.
+ *
+ * See #GDBusInterfaceVTable for more information.
+ *
+ * If the call was GetAll, %NULL will be returned.
+ *
+ * Returns: (transfer none): a #GDBusPropertyInfo or %NULL
+ *
+ * Since: 2.38
+ */
+const GDBusPropertyInfo *
+g_dbus_method_invocation_get_property_info (GDBusMethodInvocation *invocation)
+{
+ g_return_val_if_fail (G_IS_DBUS_METHOD_INVOCATION (invocation), NULL);
+ return invocation->property_info;
+}
+
+/**
* g_dbus_method_invocation_get_method_name:
* @invocation: A #GDBusMethodInvocation.
*
* descriptor passing, that cannot be properly expressed in the
* #GVariant API.
*
- * See <xref linkend="gdbus-server"/> and <xref
- * linkend="gdbus-unix-fd-client"/> for an example of how to use this
- * low-level API to send and receive UNIX file descriptors.
+ * See this [server][gdbus-server] and [client][gdbus-unix-fd-client]
+ * for an example of how to use this low-level API to send and receive
+ * UNIX file descriptors.
*
* Returns: (transfer none): #GDBusMessage. Do not free, it is owned by @invocation.
*
* g_dbus_method_invocation_get_parameters:
* @invocation: A #GDBusMethodInvocation.
*
- * Gets the parameters of the method invocation.
+ * Gets the parameters of the method invocation. If there are no input
+ * parameters then this will return a GVariant with 0 children rather than NULL.
*
- * Returns: A #GVariant. Do not free, it is owned by @invocation.
+ * Returns: (transfer none): A #GVariant tuple. Do not unref this because it is owned by @invocation.
*
* Since: 2.26
*/
}
/**
+ * g_dbus_method_invocation_peek_unix_fd:
+ * @invocation: A #GDBusMethodInvocation.
+ * @index_: the index
+ *
+ * Gets the fd associated with @index in the method invocation.
+ *
+ * If there is no file descriptor at the given index, -1 is returned.
+ *
+ * The returned file descriptor is owned by the message and must not be
+ * closed by the caller. Use dup() if you want your own copy.
+ *
+ * Returns: the file descriptor, or -1
+ */
+#ifdef G_OS_UNIX
+gint
+g_dbus_method_invocation_peek_unix_fd (GDBusMethodInvocation *invocation,
+ guint index_)
+{
+ GUnixFDList *fd_list;
+
+ fd_list = g_dbus_message_get_unix_fd_list (invocation->message);
+
+ if (fd_list)
+ {
+ const gint *fds;
+ gint n_fds;
+
+ fds = g_unix_fd_list_peek_fds (fd_list, &n_fds);
+
+ if (index_ < (guint) n_fds)
+ return fds[index_];
+ }
+
+ return -1;
+}
+#endif
+
+/**
* g_dbus_method_invocation_get_user_data: (skip)
* @invocation: A #GDBusMethodInvocation.
*
/* < internal >
* _g_dbus_method_invocation_new:
- * @sender: The bus name that invoked the method or %NULL if @connection is not a bus connection.
+ * @sender: (allow-none): The bus name that invoked the method or %NULL if @connection is not a bus connection.
* @object_path: The object path the method was invoked on.
* @interface_name: The name of the D-Bus interface the method was invoked on.
* @method_name: The name of the method that was invoked.
- * @method_info: Information about the method call or %NULL.
+ * @method_info: (allow-none): Information about the method call or %NULL.
+ * @property_info: (allow-none): Information about the property or %NULL.
* @connection: The #GDBusConnection the method was invoked on.
* @message: The D-Bus message as a #GDBusMessage.
* @parameters: The parameters as a #GVariant tuple.
* Since: 2.26
*/
GDBusMethodInvocation *
-_g_dbus_method_invocation_new (const gchar *sender,
- const gchar *object_path,
- const gchar *interface_name,
- const gchar *method_name,
- const GDBusMethodInfo *method_info,
- GDBusConnection *connection,
- GDBusMessage *message,
- GVariant *parameters,
- gpointer user_data)
+_g_dbus_method_invocation_new (const gchar *sender,
+ const gchar *object_path,
+ const gchar *interface_name,
+ const gchar *method_name,
+ const GDBusMethodInfo *method_info,
+ const GDBusPropertyInfo *property_info,
+ GDBusConnection *connection,
+ GDBusMessage *message,
+ GVariant *parameters,
+ gpointer user_data)
{
GDBusMethodInvocation *invocation;
invocation->object_path = g_strdup (object_path);
invocation->interface_name = g_strdup (interface_name);
invocation->method_name = g_strdup (method_name);
- invocation->method_info = g_dbus_method_info_ref ((GDBusMethodInfo *)method_info);
+ if (method_info)
+ invocation->method_info = g_dbus_method_info_ref ((GDBusMethodInfo *)method_info);
+ if (property_info)
+ invocation->property_info = g_dbus_property_info_ref ((GDBusPropertyInfo *)property_info);
invocation->connection = g_object_ref (connection);
invocation->message = g_object_ref (message);
invocation->parameters = g_variant_ref (parameters);
/* ---------------------------------------------------------------------------------------------------- */
-/**
- * g_dbus_method_invocation_return_value:
- * @invocation: A #GDBusMethodInvocation.
- * @parameters: A #GVariant tuple with out parameters for the method or %NULL if not passing any parameters.
- *
- * Finishes handling a D-Bus method call by returning @parameters.
- * If the @parameters GVariant is floating, it is consumed.
- *
- * It is an error if @parameters is not of the right format.
- *
- * This method will free @invocation, you cannot use it afterwards.
- *
- * Since: 2.26
- */
-void
-g_dbus_method_invocation_return_value (GDBusMethodInvocation *invocation,
- GVariant *parameters)
+static void
+g_dbus_method_invocation_return_value_internal (GDBusMethodInvocation *invocation,
+ GVariant *parameters,
+ GUnixFDList *fd_list)
{
GDBusMessage *reply;
GError *error;
{
gchar *type_string = g_variant_type_dup_string (type);
- g_warning (_("Type of return value is incorrect, got `%s', expected `%s'"),
- g_variant_get_type_string (parameters), type_string);
+ g_warning ("Type of return value is incorrect: expected '%s', got '%s''",
+ type_string, g_variant_get_type_string (parameters));
g_variant_type_free (type);
g_free (type_string);
goto out;
g_variant_type_free (type);
}
+ /* property_info is only non-NULL if set that way from
+ * GDBusConnection, so this must be the case of async property
+ * handling on either 'Get', 'Set' or 'GetAll'.
+ */
+ if (invocation->property_info != NULL)
+ {
+ if (g_str_equal (invocation->method_name, "Get"))
+ {
+ GVariant *nested;
+
+ if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(v)")))
+ {
+ g_warning ("Type of return value for property 'Get' call should be '(v)' but got '%s'",
+ g_variant_get_type_string (parameters));
+ goto out;
+ }
+
+ /* Go deeper and make sure that the value inside of the
+ * variant matches the property type.
+ */
+ g_variant_get (parameters, "(v)", &nested);
+ if (!g_str_equal (g_variant_get_type_string (nested), invocation->property_info->signature))
+ {
+ g_warning ("Value returned from property 'Get' call for '%s' should be '%s' but is '%s'",
+ invocation->property_info->name, invocation->property_info->signature,
+ g_variant_get_type_string (nested));
+ g_variant_unref (nested);
+ goto out;
+ }
+ g_variant_unref (nested);
+ }
+
+ else if (g_str_equal (invocation->method_name, "GetAll"))
+ {
+ if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE ("(a{sv})")))
+ {
+ g_warning ("Type of return value for property 'GetAll' call should be '(a{sv})' but got '%s'",
+ g_variant_get_type_string (parameters));
+ goto out;
+ }
+
+ /* Could iterate the list of properties and make sure that all
+ * of them are actually on the interface and with the correct
+ * types, but let's not do that for now...
+ */
+ }
+
+ else if (g_str_equal (invocation->method_name, "Set"))
+ {
+ if (!g_variant_is_of_type (parameters, G_VARIANT_TYPE_UNIT))
+ {
+ g_warning ("Type of return value for property 'Set' call should be '()' but got '%s'",
+ g_variant_get_type_string (parameters));
+ goto out;
+ }
+ }
+
+ else
+ g_assert_not_reached ();
+ }
+
if (G_UNLIKELY (_g_dbus_debug_return ()))
{
_g_dbus_debug_print_lock ();
reply = g_dbus_message_new_method_reply (invocation->message);
g_dbus_message_set_body (reply, parameters);
+
+#ifdef G_OS_UNIX
+ if (fd_list != NULL)
+ g_dbus_message_set_unix_fd_list (reply, fd_list);
+#endif
+
error = NULL;
if (!g_dbus_connection_send_message (g_dbus_method_invocation_get_connection (invocation), reply, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &error))
{
- g_warning (_("Error sending message: %s"), error->message);
+ g_warning ("Error sending message: %s", error->message);
g_error_free (error);
}
g_object_unref (reply);
g_object_unref (invocation);
}
+/**
+ * g_dbus_method_invocation_return_value:
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @parameters: (allow-none): A #GVariant tuple with out parameters for the method or %NULL if not passing any parameters.
+ *
+ * Finishes handling a D-Bus method call by returning @parameters.
+ * If the @parameters GVariant is floating, it is consumed.
+ *
+ * It is an error if @parameters is not of the right format.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ *
+ * Since: 2.26
+ */
+void
+g_dbus_method_invocation_return_value (GDBusMethodInvocation *invocation,
+ GVariant *parameters)
+{
+ g_dbus_method_invocation_return_value_internal (invocation, parameters, NULL);
+}
+
+#ifdef G_OS_UNIX
+/**
+ * g_dbus_method_invocation_return_value_with_unix_fd_list:
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @parameters: (allow-none): A #GVariant tuple with out parameters for the method or %NULL if not passing any parameters.
+ * @fd_list: (allow-none): A #GUnixFDList or %NULL.
+ *
+ * Like g_dbus_method_invocation_return_value() but also takes a #GUnixFDList.
+ *
+ * This method is only available on UNIX.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ *
+ * Since: 2.30
+ */
+void
+g_dbus_method_invocation_return_value_with_unix_fd_list (GDBusMethodInvocation *invocation,
+ GVariant *parameters,
+ GUnixFDList *fd_list)
+{
+ g_dbus_method_invocation_return_value_internal (invocation, parameters, fd_list);
+}
+#endif
+
/* ---------------------------------------------------------------------------------------------------- */
/**
* g_dbus_method_invocation_return_error:
- * @invocation: A #GDBusMethodInvocation.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
* @domain: A #GQuark for the #GError error domain.
* @code: The error code.
* @format: printf()-style format.
* will be returned on the wire. In a nutshell, if the given error is
* registered using g_dbus_error_register_error() the name given
* during registration is used. Otherwise, a name of the form
- * <literal>org.gtk.GDBus.UnmappedGError.Quark...</literal> is
- * used. This provides transparent mapping of #GError between
- * applications using GDBus.
+ * `org.gtk.GDBus.UnmappedGError.Quark...` is used. This provides
+ * transparent mapping of #GError between applications using GDBus.
*
* If you are writing an application intended to be portable,
- * <emphasis>always</emphasis> register errors with g_dbus_error_register_error()
+ * always register errors with g_dbus_error_register_error()
* or use g_dbus_method_invocation_return_dbus_error().
*
* This method will free @invocation, you cannot use it afterwards.
/**
* g_dbus_method_invocation_return_error_valist:
- * @invocation: A #GDBusMethodInvocation.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
* @domain: A #GQuark for the #GError error domain.
* @code: The error code.
* @format: printf()-style format.
/**
* g_dbus_method_invocation_return_error_literal:
- * @invocation: A #GDBusMethodInvocation.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
* @domain: A #GQuark for the #GError error domain.
* @code: The error code.
* @message: The error message.
/**
* g_dbus_method_invocation_return_gerror:
- * @invocation: A #GDBusMethodInvocation.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
* @error: A #GError.
*
* Like g_dbus_method_invocation_return_error() but takes a #GError
}
/**
+ * g_dbus_method_invocation_take_error: (skip)
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
+ * @error: (transfer full): A #GError.
+ *
+ * Like g_dbus_method_invocation_return_gerror() but takes ownership
+ * of @error so the caller does not need to free it.
+ *
+ * This method will free @invocation, you cannot use it afterwards.
+ *
+ * Since: 2.30
+ */
+void
+g_dbus_method_invocation_take_error (GDBusMethodInvocation *invocation,
+ GError *error)
+{
+ g_return_if_fail (G_IS_DBUS_METHOD_INVOCATION (invocation));
+ g_return_if_fail (error != NULL);
+ g_dbus_method_invocation_return_gerror (invocation, error);
+ g_error_free (error);
+}
+
+/**
* g_dbus_method_invocation_return_dbus_error:
- * @invocation: A #GDBusMethodInvocation.
+ * @invocation: (transfer full): A #GDBusMethodInvocation.
* @error_name: A valid D-Bus error name.
* @error_message: A valid D-Bus error message.
*
g_print ("========================================================================\n"
"GDBus-debug:Return:\n"
" >>>> METHOD ERROR %s\n"
- " message `%s'\n"
+ " message '%s'\n"
" in response to %s.%s()\n"
" on object %s\n"
" to name %s\n"
projects / platform / upstream / glib.git / blobdiff