libmks/lib/mks-device.c

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/*
* mks-device.c
*
* Copyright 2023 Christian Hergert <chergert@redhat.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
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* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include "mks-device-private.h"
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/**
* MksDevice:
*
* An abstraction of a virtualized QEMU device.
*/
G_DEFINE_TYPE (MksDevice, mks_device, G_TYPE_OBJECT)
enum {
PROP_0,
PROP_NAME,
N_PROPS
};
static GParamSpec *properties [N_PROPS];
static gboolean
mks_device_real_setup (MksDevice *device,
MksQemuObject *object)
{
g_assert (MKS_IS_DEVICE (device));
g_assert (MKS_QEMU_IS_OBJECT (object));
return TRUE;
}
static void
mks_device_dispose (GObject *object)
{
MksDevice *self = (MksDevice *)object;
g_clear_weak_pointer (&self->session);
g_clear_pointer (&self->name, g_free);
g_clear_object (&self->object);
G_OBJECT_CLASS (mks_device_parent_class)->dispose (object);
}
static void
mks_device_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MksDevice *self = MKS_DEVICE (object);
switch (prop_id)
{
case PROP_NAME:
g_value_set_string (value, mks_device_get_name (self));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
mks_device_class_init (MksDeviceClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = mks_device_dispose;
object_class->get_property = mks_device_get_property;
klass->setup = mks_device_real_setup;
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/**
* MksDevice:name:
*
* The device name.
*/
properties [PROP_NAME] =
g_param_spec_string ("name", NULL, NULL,
NULL,
(G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_properties (object_class, N_PROPS, properties);
}
static void
mks_device_init (MksDevice *self)
{
}
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/**
* mks_device_get_name:
* @self: A `MksDevice`
*
* Gets the device name.
*/
const char *
mks_device_get_name (MksDevice *self)
{
g_return_val_if_fail (MKS_IS_DEVICE (self), NULL);
return self->name;
}
void
_mks_device_set_name (MksDevice *self,
const char *name)
{
g_return_if_fail (MKS_IS_DEVICE (self));
if (g_set_str (&self->name, name))
g_object_notify_by_pspec (G_OBJECT (self), properties [PROP_NAME]);
}
gpointer
_mks_device_new (GType device_type,
MksSession *session,
MksQemuObject *object)
{
g_autoptr(MksDevice) self = NULL;
g_return_val_if_fail (g_type_is_a (device_type, MKS_TYPE_DEVICE), NULL);
g_return_val_if_fail (device_type != MKS_TYPE_DEVICE, NULL);
g_return_val_if_fail (MKS_IS_SESSION (session), NULL);
g_return_val_if_fail (MKS_QEMU_IS_OBJECT (object), NULL);
if (!(self = g_object_new (device_type, NULL)))
return NULL;
g_set_weak_pointer (&self->session, session);
self->object = g_object_ref (object);
if (!MKS_DEVICE_GET_CLASS (self)->setup (self, object))
return NULL;
return g_steal_pointer (&self);
}