* over any transport that can by represented as an #GIOStream.
*
* This class is rarely used directly in D-Bus clients. If you are writing
- * an D-Bus client, it is often easier to use the g_bus_own_name(),
+ * a D-Bus client, it is often easier to use the g_bus_own_name(),
* g_bus_watch_name() or g_dbus_proxy_new_for_bus() APIs.
*
* As an exception to the usual GLib rule that a particular object must not
static GWeakRef the_session_bus;
static GWeakRef the_system_bus;
+static GWeakRef the_user_bus;
+static GWeakRef the_machine_bus;
/* Extra pseudo-member of GDBusSendMessageFlags.
* Set by initable_init() to indicate that despite not being initialized yet,
/* ---------------------------------------------------------------------------------------------------- */
/**
+ * g_dbus_get_bus_id:
+ * @connection: a #GDBusConnection
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns the unique ID of the bus.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: the unique ID of the bus or %NULL if @error is set.
+ * Free with g_free().
+ *
+ * Since: 2.4x
+ */
+gchar *
+g_dbus_get_bus_id (GDBusConnection *connection,
+ gint timeout_msec,
+ GError **error)
+{
+ GVariant *result;
+ gchar *bus_id;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ result = NULL;
+ bus_id = NULL;
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "GetId",
+ NULL, G_VARIANT_TYPE ("(s)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ if (result != NULL)
+ {
+ g_variant_get (result, "(s)", &bus_id);
+ g_variant_unref (result);
+ }
+
+ return bus_id;
+}
+
+typedef enum
+{
+ LIST_NAMES,
+ LIST_ACTIVATABLE_NAMES,
+ LIST_QUEUED_OWNERS
+} GDBusListNameType;
+
+static gchar **
+_g_dbus_get_list_internal (GDBusConnection *connection,
+ const gchar *name,
+ GDBusListNameType list_name_type,
+ gint timeout_msec,
+ GError **error)
+{
+ gchar **strv;
+ GVariant *result;
+ GVariantIter *iter;
+ gchar *str;
+ gsize n, i;
+
+ result = NULL;
+ strv = NULL;
+
+ if (list_name_type == LIST_QUEUED_OWNERS)
+ {
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "ListQueuedOwners",
+ g_variant_new ("(s)", name), G_VARIANT_TYPE ("(as)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ }
+ else
+ {
+ gchar *method_name;
+
+ if (list_name_type == LIST_NAMES)
+ method_name = "ListNames";
+ else
+ method_name = "ListActivatableNames";
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", method_name,
+ NULL, G_VARIANT_TYPE ("(as)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ }
+
+ if (result != NULL)
+ {
+ g_variant_get (result, "(as)", &iter);
+ n = g_variant_iter_n_children (iter);
+ strv = g_new (gchar *, n + 1);
+
+ i = 0;
+ while (g_variant_iter_loop (iter, "s", &str))
+ {
+ strv[i] = g_strdup (str);
+ i++;
+ }
+ strv[i] = NULL;
+
+ g_variant_iter_free (iter);
+ g_variant_unref (result);
+ }
+
+ return strv;
+}
+
+/**
+ * g_dbus_get_list_names:
+ * @connection: a #GDBusConnection
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns a list of all currently-owned names on the bus.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: a list of all currently-owned names on the bus.
+ * Free with g_strfreev().
+ *
+ * Since: 2.4x
+ */
+gchar **
+g_dbus_get_list_names (GDBusConnection *connection,
+ gint timeout_msec,
+ GError **error)
+{
+ gchar **strv;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ strv = _g_dbus_get_list_internal (connection, NULL, LIST_NAMES, timeout_msec, error);
+
+ return strv;
+}
+
+/**
+ * g_dbus_get_list_activatable_names:
+ * @connection: a #GDBusConnection
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns a list of all names that can be activated on the bus.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: a list of all names that can be activated on the bus.
+ * Free with g_strfreev().
+ *
+ * Since: 2.4x
+ */
+gchar **
+g_dbus_get_list_activatable_names (GDBusConnection *connection,
+ gint timeout_msec,
+ GError **error)
+{
+ gchar **strv;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ strv = _g_dbus_get_list_internal (connection, NULL, LIST_ACTIVATABLE_NAMES, timeout_msec, error);
+
+ return strv;
+}
+
+/**
+ * g_dbus_get_list_queued_names:
+ * @connection: a #GDBusConnection
+ * @name: a unique or well-known bus name
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns the unique bus names of connections currently queued
+ * for the @name.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED. If @name contains a value not compatible with
+ * the D-Bus syntax and naming conventions for bus names, the operation
+ * returns %NULL.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: the unique bus names of connections currently queued for the @name
+ * or %NULL if @error is set. Free with g_strfreev().
+ *
+ * Since: 2.4x
+ */
+gchar **
+g_dbus_get_list_queued_owners (GDBusConnection *connection,
+ const gchar *name,
+ gint timeout_msec,
+ GError **error)
+{
+ gchar **strv;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (name == NULL || g_dbus_is_name (name), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ strv = _g_dbus_get_list_internal (connection, name, LIST_QUEUED_OWNERS, timeout_msec, error);
+
+ return strv;
+}
+
+/**
+ * g_dbus_get_name_owner:
+ * @connection: a #GDBusConnection
+ * @name: well-known bus name to get the owner of
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns the unique connection name of the primary owner of
+ * the name given. If the requested name doesn't have an owner, an @error is
+ * returned.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED. If @name contains a value not compatible with
+ * the D-Bus syntax and naming conventions for bus names, the operation
+ * returns %NULL.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: the unique connection name of the primary owner of the
+ * name given. If the requested name doesn't have an owner, function
+ * returns %NULL and @error is set. Free with g_free().
+ *
+ * Since: 2.4x
+ */
+gchar *
+g_dbus_get_name_owner (GDBusConnection *connection,
+ const gchar *name,
+ gint timeout_msec,
+ GError **error)
+{
+ GVariant *result;
+ gchar *name_owner;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (name == NULL || g_dbus_is_name (name), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ name_owner = NULL;
+ result = NULL;
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "GetNameOwner",
+ g_variant_new ("(s)", name), G_VARIANT_TYPE ("(s)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ if (result != NULL)
+ {
+ g_variant_get (result, "(s)", &name_owner);
+ g_variant_unref (result);
+ }
+ else
+ name_owner = NULL;
+
+ return name_owner;
+}
+
+/**
+ * g_dbus_name_has_owner:
+ * @connection: a #GDBusConnection
+ * @name: a unique or well-known bus name
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously checks if the specified name exists (currently has an owner).
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED. If @name contains a value not compatible with
+ * the D-Bus syntax and naming conventions for bus names, the operation
+ * returns FALSE.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: %TRUE if specified name exists (currently has an owner)
+ * If the requested name doesn't have an owner or @error is set,
+ * function returns %FALSE.
+ *
+ * Since: 2.4x
+ */
+gboolean
+g_dbus_name_has_owner (GDBusConnection *connection,
+ const gchar *name,
+ gint timeout_msec,
+ GError **error)
+{
+ GVariant *result;
+ gboolean ret;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
+ g_return_val_if_fail (name == NULL || g_dbus_is_name (name), NULL);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ result = NULL;
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "NameHasOwner",
+ g_variant_new ("(s)", name), G_VARIANT_TYPE ("(b)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ if (result != NULL)
+ {
+ g_variant_get (result, "(b)", &ret);
+ g_variant_unref (result);
+ }
+ else
+ ret = FALSE;
+
+ return ret;
+}
+
+/**
+ * g_dbus_get_connection_pid:
+ * @connection: a #GDBusConnection
+ * @name: a unique or well-known bus name of the connection to query
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns the Unix process ID of the process connected to the
+ * bus. If unable to determine it, an @error is returned.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED. If @name contains a value not compatible with
+ * the D-Bus syntax and naming conventions for bus names, the operation
+ * returns (guint32) -1.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: the Unix process ID of the process connected to the bus or
+ * (guint32) -1 if @error is set.
+ *
+ * Since: 2.4x
+ */
+guint32
+g_dbus_get_connection_pid (GDBusConnection *connection,
+ const gchar *name,
+ gint timeout_msec,
+ GError **error)
+{
+ GVariant *result;
+ guint32 pid;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), -1);
+ g_return_val_if_fail (name == NULL || g_dbus_is_name (name), -1);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, -1);
+ g_return_val_if_fail (error == NULL || *error == NULL, -1);
+
+ result = NULL;
+ pid = -1;
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "GetConnectionUnixProcessID",
+ g_variant_new ("(s)", name), G_VARIANT_TYPE ("(u)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ if (result != NULL)
+ {
+ g_variant_get (result, "(u)", &pid);
+ g_variant_unref (result);
+ }
+
+ return pid;
+}
+
+/**
+ * g_dbus_get_connection_uid:
+ * @connection: a #GDBusConnection
+ * @name: a unique or well-known bus name of the connection to query
+ * @timeout_msec: the timeout in milliseconds, -1 to use the default timeout
+ * @error: return location for error or %NULL
+ *
+ * Synchronously returns the Unix user ID of the process connected to the
+ * bus. If unable to determine it, an @error is returned.
+ *
+ * If @connection is closed then the operation will fail with
+ * %G_IO_ERROR_CLOSED. If @name contains a value not compatible with
+ * the D-Bus syntax and naming conventions for bus names, the operation
+ * returns (guint32) -1.
+ *
+ * The calling thread is blocked until a reply is received.
+ *
+ * Returns: the Unix user ID of the process connected to the bus or
+ * (guint32) -1 if @error is set.
+ *
+ * Since: 2.4x
+ */
+guint32
+g_dbus_get_connection_uid (GDBusConnection *connection,
+ const gchar *name,
+ gint timeout_msec,
+ GError **error)
+{
+ GVariant *result;
+ guint32 uid;
+
+ g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), -1);
+ g_return_val_if_fail (name == NULL || g_dbus_is_name (name), -1);
+ g_return_val_if_fail (timeout_msec >= 0 || timeout_msec == -1, -1);
+ g_return_val_if_fail (error == NULL || *error == NULL, -1);
+
+ result = NULL;
+ uid = -1;
+
+ result = g_dbus_connection_call_sync (connection, "org.freedesktop.DBus", "/",
+ "org.freedesktop.DBus", "GetConnectionUnixUser",
+ g_variant_new ("(s)", name), G_VARIANT_TYPE ("(u)"),
+ G_DBUS_CALL_FLAGS_NONE, timeout_msec, NULL, error);
+ if (result != NULL)
+ {
+ g_variant_get (result, "(u)", &uid);
+ g_variant_unref (result);
+ }
+
+ return uid;
+}
+
+/* ---------------------------------------------------------------------------------------------------- */
+
+/**
* g_dbus_connection_get_last_serial:
* @connection: a #GDBusConnection
*
ret = &the_system_bus;
break;
+ case G_BUS_TYPE_USER:
+ ret = &the_user_bus;
+ break;
+
+ case G_BUS_TYPE_MACHINE:
+ ret = &the_machine_bus;
+ break;
+
case G_BUS_TYPE_STARTER:
starter_bus = g_getenv ("DBUS_STARTER_BUS_TYPE");
if (g_strcmp0 (starter_bus, "session") == 0)