/*

 * libvirt-gobject-domain-device.c: libvirt gobject integration

 *

 * Copyright (C) 2011 Red Hat, Inc.

 *

 * 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 Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 *

 * Author: Marc-André Lureau <marcandre.lureau@redhat.com>

 */

#include <config.h>

#include <libvirt/virterror.h>

#include <string.h>

#include "libvirt-glib/libvirt-glib.h"

#include "libvirt-gobject/libvirt-gobject.h"

#include "libvirt-gobject-compat.h"

#include "libvirt-gobject/libvirt-gobject-domain-device-private.h"

#define GVIR_DOMAIN_DEVICE_GET_PRIVATE(obj)                         \

        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_DOMAIN_DEVICE, GVirDomainDevicePrivate))

struct _GVirDomainDevicePrivate

{

    GVirDomain *domain;

    GVirConfigDomainDevice *config;

};

G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE(GVirDomainDevice, gvir_domain_device, G_TYPE_OBJECT);

enum {

    PROP_0,

    PROP_DOMAIN,

    PROP_CONFIG,

};

static void gvir_domain_device_get_property(GObject *object,

                                            guint prop_id,

                                            GValue *value,

                                            GParamSpec *pspec)

{

    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);

    GVirDomainDevicePrivate *priv = self->priv;

    switch (prop_id) {

    case PROP_DOMAIN:

        g_value_set_object(value, priv->domain);

        break;

    case PROP_CONFIG:

        g_value_set_object(value, priv->config);

        break;

    default:

        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);

    }

}

static void gvir_domain_device_set_property(GObject *object,

                                            guint prop_id,

                                            const GValue *value,

                                            GParamSpec *pspec)

{

    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);

    GVirDomainDevicePrivate *priv = self->priv;

    switch (prop_id) {

    case PROP_DOMAIN:

        g_clear_object(&priv->domain);

        priv->domain = g_value_dup_object(value);

        break;

    case PROP_CONFIG:

        g_clear_object(&priv->config);

        priv->config = g_value_dup_object(value);

        break;

    default:

        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);

    }

}

static void gvir_domain_device_finalize(GObject *object)

{

    GVirDomainDevice *self = GVIR_DOMAIN_DEVICE(object);

    GVirDomainDevicePrivate *priv = self->priv;

    g_clear_object(&priv->domain);

    g_clear_object(&priv->config);

    G_OBJECT_CLASS(gvir_domain_device_parent_class)->finalize(object);

}

static void gvir_domain_device_class_init(GVirDomainDeviceClass *klass)

{

    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = gvir_domain_device_finalize;

    object_class->get_property = gvir_domain_device_get_property;

    object_class->set_property = gvir_domain_device_set_property;

    g_object_class_install_property(object_class,

                                    PROP_DOMAIN,

                                    g_param_spec_object("domain",

                                                        "domain",

                                                        "The associated domain",

                                                        GVIR_TYPE_DOMAIN,

                                                        G_PARAM_READWRITE |

                                                        G_PARAM_CONSTRUCT_ONLY |

                                                        G_PARAM_STATIC_STRINGS));

    g_object_class_install_property(object_class,

                                    PROP_CONFIG,

                                    g_param_spec_object("config",

                                                        "Config",

                                                        "The configuration",

                                                        GVIR_CONFIG_TYPE_DOMAIN_DEVICE,

                                                        G_PARAM_READWRITE |

                                                        G_PARAM_CONSTRUCT_ONLY |

                                                        G_PARAM_STATIC_STRINGS));

}

static void gvir_domain_device_init(GVirDomainDevice *self)

{

    self->priv = GVIR_DOMAIN_DEVICE_GET_PRIVATE(self);

}

G_GNUC_INTERNAL

virDomainPtr gvir_domain_device_get_domain_handle(GVirDomainDevice *self)

{

    virDomainPtr handle;

    g_object_get(self->priv->domain, "handle", &handle, NULL);

    return handle;

}

/**

 * gvir_domain_device_get_domain:

 * @device: the domain device

 *

 * Returns: (transfer full): the associated domain. The returned object

 * should be unreffed with g_object_unref() when no longer needed.

 */

GVirDomain *gvir_domain_device_get_domain(GVirDomainDevice *device)

{

    g_return_val_if_fail(GVIR_IS_DOMAIN_DEVICE(device), NULL);

    return g_object_ref (device->priv->domain);

}

/**

 * gvir_domain_device_get_config:

 * @device: the domain device

 *

 * Returns: (transfer full): the config. The returned object should be

 * unreffed with g_object_unref() when no longer needed.

 */

GVirConfigDomainDevice *gvir_domain_device_get_config(GVirDomainDevice *device)

{

    g_return_val_if_fail(GVIR_IS_DOMAIN_DEVICE(device), NULL);

    return g_object_ref (device->priv->config);

}

G_GNUC_INTERNAL GVirDomainDevice *gvir_domain_device_new(GVirDomain *domain,

                                                         GVirConfigDomainDevice *config)

{

    GType type;

    g_return_val_if_fail(GVIR_IS_DOMAIN(domain), NULL);

    g_return_val_if_fail(GVIR_CONFIG_IS_DOMAIN_DEVICE(config), NULL);

    if (GVIR_CONFIG_IS_DOMAIN_DISK(config)) {

        type = GVIR_TYPE_DOMAIN_DISK;

    } else if (GVIR_CONFIG_IS_DOMAIN_INTERFACE(config)) {

        type = GVIR_TYPE_DOMAIN_INTERFACE;

    } else {

        g_debug("Unknown device type: %s", G_OBJECT_TYPE_NAME(config));

        return NULL;

    }

    return GVIR_DOMAIN_DEVICE(g_object_new(type,

                                           "config", config,

                                           "domain", domain, NULL));

}