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/* libnih
*
* dbus_pending_data.c - D-Bus pending call attached data
*
* Copyright © 2009 Scott James Remnant <scott@netsplit.com>.
* Copyright © 2009 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <dbus/dbus.h>
#include <nih/macros.h>
#include <nih/alloc.h>
#include <nih/logging.h>
#include "dbus_pending_data.h"
/* Prototypes for static functions */
static int nih_dbus_pending_data_destroy (NihDBusPendingData *pending_data);
/**
* nih_dbus_pending_data_new:
* @parent: parent object for new structure,
* @connection: D-Bus connection to associate with,
* @message: D-Bus message to encapulsate.
*
* Creates a new D-Bus pending call data object allocated using
* nih_alloc(). You would then use this as the data pointer of a
* DBusPendingCall to be passed to the notify function. The structure
* contains a reference to the underlying D-Bus connection and details
* about the handler functions and user data pointer.
*
* If @parent is not NULL, it should be a pointer to another object which
* will be used as a parent for the returned object. When all parents
* of the returned object are freed, the returned object will also be
* freed.
*
* Returns: new NihDBusPendingData structure, or NULL if insufficient memory.
**/
NihDBusPendingData *
nih_dbus_pending_data_new (const void * parent,
DBusConnection * connection,
NihDBusReplyHandler handler,
NihDBusErrorHandler error_handler,
void * data)
{
NihDBusPendingData *pending_data;
nih_assert (connection != NULL);
nih_assert (error_handler != NULL);
pending_data = nih_new (parent, NihDBusPendingData);
if (! pending_data)
return NULL;
pending_data->connection = connection;
dbus_connection_ref (pending_data->connection);
pending_data->handler = handler;
pending_data->error_handler = error_handler;
pending_data->data = data;
nih_alloc_set_destructor (pending_data, nih_dbus_pending_data_destroy);
return pending_data;
}
/**
* nih_dbus_pending_data_destroy:
* @pending_data: pending data to be destroyed.
*
* Unreferences the attached D-Bus connection.
*
* Returns: zero
**/
static int
nih_dbus_pending_data_destroy (NihDBusPendingData *pending_data)
{
nih_assert (pending_data != NULL);
dbus_connection_unref (pending_data->connection);
return 0;
}
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