GDBus: Introduce G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL

This is preferable to the current magical solution whereby the serial
is only rewritten if non-zero. In particular, it makes it easier to
send the same message on multiple connections without having to reset
the serial number.

Signed-off-by: David Zeuthen <davidz@redhat.com>
This commit is contained in:
David Zeuthen 2010-07-19 17:03:07 -04:00
parent 9d7b00638f
commit 493d8cb292
2 changed files with 27 additions and 24 deletions

View File

@ -1324,11 +1324,10 @@ g_dbus_connection_send_message_unlocked (GDBusConnection *connection,
if (blob == NULL)
goto out;
serial_to_use = g_dbus_message_get_serial (message);
if (serial_to_use == 0)
{
serial_to_use = ++connection->last_serial; /* TODO: handle overflow */
}
if (flags & G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL)
serial_to_use = g_dbus_message_get_serial (message);
else
serial_to_use = ++connection->last_serial; /* TODO: handle overflow */
switch (blob[0])
{
@ -1376,17 +1375,17 @@ g_dbus_connection_send_message_unlocked (GDBusConnection *connection,
* g_dbus_connection_send_message:
* @connection: A #GDBusConnection.
* @message: A #GDBusMessage
* @flags: Flags affecting how the message is sent (currently unused).
* @flags: Flags affecting how the message is sent.
* @out_serial: Return location for serial number assigned to @message when sending it or %NULL.
* @error: Return location for error or %NULL.
*
* Asynchronously sends @message to the peer represented by @connection.
*
* If g_dbus_message_get_serial() returns non-zero for @message, then
* that value is used for the message serial number. Otherwise a
* serial number will be assigned by @connection and set on @message
* via g_dbus_message_set_serial(). If @out_serial is not %NULL, then
* the serial number used will be written to this location prior to
* Unless @flags contain the
* %G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL flag, the serial number
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
* submitting the message to the underlying transport.
*
* If @connection is closed then the operation will fail with
@ -1690,7 +1689,7 @@ g_dbus_connection_send_message_with_reply_unlocked (GDBusConnection *connect
* g_dbus_connection_send_message_with_reply:
* @connection: A #GDBusConnection.
* @message: A #GDBusMessage.
* @flags: Flags affecting how the message is sent (currently unused).
* @flags: Flags affecting how the message is sent.
* @timeout_msec: The timeout in milliseconds or -1 to use the default timeout.
* @out_serial: Return location for serial number assigned to @message when sending it or %NULL.
* @cancellable: A #GCancellable or %NULL.
@ -1700,11 +1699,11 @@ g_dbus_connection_send_message_with_reply_unlocked (GDBusConnection *connect
*
* Asynchronously sends @message to the peer represented by @connection.
*
* If g_dbus_message_get_serial() returns non-zero for @message, then
* that value is used for the message serial number. Otherwise a
* serial number will be assigned by @connection and set on @message
* via g_dbus_message_set_serial(). If @out_serial is not %NULL, then
* the serial number used will be written to this location prior to
* Unless @flags contain the
* %G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL flag, the serial number
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
* submitting the message to the underlying transport.
*
* If @connection is closed then the operation will fail with
@ -1828,7 +1827,7 @@ send_message_with_reply_sync_cb (GDBusConnection *connection,
* g_dbus_connection_send_message_with_reply_sync:
* @connection: A #GDBusConnection.
* @message: A #GDBusMessage.
* @flags: Flags affecting how the message is sent (currently unused).
* @flags: Flags affecting how the message is sent.
* @timeout_msec: The timeout in milliseconds or -1 to use the default timeout.
* @out_serial: Return location for serial number assigned to @message when sending it or %NULL.
* @cancellable: A #GCancellable or %NULL.
@ -1839,11 +1838,11 @@ send_message_with_reply_sync_cb (GDBusConnection *connection,
* timeout is reached. See g_dbus_connection_send_message_with_reply()
* for the asynchronous version of this method.
*
* If g_dbus_message_get_serial() returns non-zero for @message, then
* that value is used for the message serial number. Otherwise a
* serial number will be assigned by @connection and set on @message
* via g_dbus_message_set_serial(). If @out_serial is not %NULL, then
* the serial number used will be written to this location prior to
* Unless @flags contain the
* %G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL flag, the serial number
* will be assigned by @connection and set on @message via
* g_dbus_message_set_serial(). If @out_serial is not %NULL, then the
* serial number used will be written to this location prior to
* submitting the message to the underlying transport.
*
* If @connection is closed then the operation will fail with

View File

@ -1155,14 +1155,18 @@ typedef enum /*< flags >*/
/**
* GDBusSendMessageFlags:
* @G_DBUS_SEND_MESSAGE_FLAGS_NONE: No flags set.
* @G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL: Do not automatically
* assign a serial number from the #GDBusConnection object when
* sending a message.
*
* Flags used when sending #GDBusMessage<!-- -->s on a #GDBusConnection.
*
* Since: 2.26
*/
typedef enum /*< flags >*/
typedef enum
{
G_DBUS_SEND_MESSAGE_FLAGS_NONE = 0,
G_DBUS_SEND_MESSAGE_FLAGS_PRESERVE_SERIAL = (1<<0)
} GDBusSendMessageFlags;
G_END_DECLS