/*

 * libvirt-gobject-node_device.c: libvirt glib integration

 *

 * Copyright (C) 2008 Daniel P. Berrange

 * Copyright (C) 2010-2011 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: Daniel P. Berrange <berrange@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"

#define GVIR_NODE_DEVICE_GET_PRIVATE(obj)                         \

        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_TYPE_NODE_DEVICE, GVirNodeDevicePrivate))

struct _GVirNodeDevicePrivate

{

    virNodeDevicePtr handle;

};

G_DEFINE_TYPE_WITH_PRIVATE(GVirNodeDevice, gvir_node_device, G_TYPE_OBJECT);

enum {

    PROP_0,

    PROP_HANDLE,

};

#define GVIR_NODE_DEVICE_ERROR gvir_node_device_error_quark()

static GQuark

gvir_node_device_error_quark(void)

{

    return g_quark_from_static_string("gvir-node_device");

}

static void gvir_node_device_get_property(GObject *object,

                                          guint prop_id,

                                          GValue *value,

                                          GParamSpec *pspec)

{

    GVirNodeDevice *device = GVIR_NODE_DEVICE(object);

    GVirNodeDevicePrivate *priv = device->priv;

    switch (prop_id) {

    case PROP_HANDLE:

        g_value_set_boxed(value, priv->handle);

        break;

    default:

        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);

    }

}

static void gvir_node_device_set_property(GObject *object,

                                          guint prop_id,

                                          const GValue *value,

                                          GParamSpec *pspec)

{

    GVirNodeDevice *device = GVIR_NODE_DEVICE(object);

    GVirNodeDevicePrivate *priv = device->priv;

    switch (prop_id) {

    case PROP_HANDLE:

        if (priv->handle)

            virNodeDeviceFree(priv->handle);

        priv->handle = g_value_dup_boxed(value);

        break;

    default:

        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);

    }

}

static void gvir_node_device_finalize(GObject *object)

{

    GVirNodeDevice *device = GVIR_NODE_DEVICE(object);

    GVirNodeDevicePrivate *priv = device->priv;

    virNodeDeviceFree(priv->handle);

    G_OBJECT_CLASS(gvir_node_device_parent_class)->finalize(object);

}

static void gvir_node_device_class_init(GVirNodeDeviceClass *klass)

{

    GObjectClass *object_class = G_OBJECT_CLASS (klass);

    object_class->finalize = gvir_node_device_finalize;

    object_class->get_property = gvir_node_device_get_property;

    object_class->set_property = gvir_node_device_set_property;

    g_object_class_install_property(object_class,

                                    PROP_HANDLE,

                                    g_param_spec_boxed("handle",

                                                       "Handle",

                                                       "The node_device handle",

                                                       GVIR_TYPE_NODE_DEVICE_HANDLE,

                                                       G_PARAM_READABLE |

                                                       G_PARAM_WRITABLE |

                                                       G_PARAM_CONSTRUCT_ONLY |

                                                       G_PARAM_STATIC_STRINGS));

}

static void gvir_node_device_init(GVirNodeDevice *device)

{

    device->priv = GVIR_NODE_DEVICE_GET_PRIVATE(device);

}

typedef struct virNodeDevice GVirNodeDeviceHandle;

static GVirNodeDeviceHandle*

gvir_node_device_handle_copy(GVirNodeDeviceHandle *src)

{

    virNodeDeviceRef((virNodeDevicePtr)src);

    return src;

}

static void

gvir_node_device_handle_free(GVirNodeDeviceHandle *src)

{

    virNodeDeviceFree((virNodeDevicePtr)src);

}

G_DEFINE_BOXED_TYPE(GVirNodeDeviceHandle, gvir_node_device_handle,

                    gvir_node_device_handle_copy, gvir_node_device_handle_free)

const gchar *gvir_node_device_get_name(GVirNodeDevice *device)

{

    const char *name;

    g_return_val_if_fail(GVIR_IS_NODE_DEVICE(device), NULL);

    if (!(name = virNodeDeviceGetName(device->priv->handle))) {

        gvir_warning("Failed to get node_device name on %p",

                     device->priv->handle);

        return NULL;

    }

    return name;

}

/**

 * gvir_node_device_get_config:

 * @device: the node_device

 * @flags: the flags

 * @err: Place-holder for possible errors

 *

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

 * unreffed with g_object_unref() when no longer needed.

 */

GVirConfigNodeDevice *gvir_node_device_get_config(GVirNodeDevice *device,

                                                  guint flags,

                                                  GError **err)

{

    GVirNodeDevicePrivate *priv;

    gchar *xml;

    g_return_val_if_fail(GVIR_IS_NODE_DEVICE(device), NULL);

    g_return_val_if_fail(err == NULL || *err == NULL, NULL);

    priv = device->priv;

    if (!(xml = virNodeDeviceGetXMLDesc(priv->handle, flags))) {

        gvir_set_error_literal(err, GVIR_NODE_DEVICE_ERROR,

                               0,

                               "Unable to get node_device XML config");

        return NULL;

    }

    GVirConfigNodeDevice *conf = gvir_config_node_device_new_from_xml(xml, err);

    free(xml);

    return conf;

}