/*

 * libvirt-gconfig-domain-filesys.c: libvirt domain filesystem configuration

 *

 * 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: Daniel P. Berrange <berrange@redhat.com>

 */

#include <config.h>

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

#include "libvirt-gconfig/libvirt-gconfig-private.h"

#define GVIR_CONFIG_DOMAIN_FILESYS_GET_PRIVATE(obj)                         \

        (G_TYPE_INSTANCE_GET_PRIVATE((obj), GVIR_CONFIG_TYPE_DOMAIN_FILESYS, GVirConfigDomainFilesysPrivate))

struct _GVirConfigDomainFilesysPrivate

{

    GVirConfigDomainFilesysType type;

};

G_DEFINE_TYPE_WITH_PRIVATE(GVirConfigDomainFilesys, gvir_config_domain_filesys, GVIR_CONFIG_TYPE_DOMAIN_DEVICE);

static void gvir_config_domain_filesys_class_init(GVirConfigDomainFilesysClass *klass G_GNUC_UNUSED)

{

}

static void gvir_config_domain_filesys_init(GVirConfigDomainFilesys *filesys)

{

    filesys->priv = GVIR_CONFIG_DOMAIN_FILESYS_GET_PRIVATE(filesys);

}

GVirConfigDomainFilesys *gvir_config_domain_filesys_new(void)

{

    GVirConfigObject *object;

    object = gvir_config_object_new(GVIR_CONFIG_TYPE_DOMAIN_FILESYS,

                                    "filesystem", NULL);

    return GVIR_CONFIG_DOMAIN_FILESYS(object);

}

GVirConfigDomainFilesys *gvir_config_domain_filesys_new_from_xml(const gchar *xml,

                                                                 GError **error)

{

    GVirConfigObject *object;

    object = gvir_config_object_new_from_xml(GVIR_CONFIG_TYPE_DOMAIN_FILESYS,

                                             "filesystem", NULL, xml, error);

    return GVIR_CONFIG_DOMAIN_FILESYS(object);

}

GVirConfigDomainDevice *

gvir_config_domain_filesys_new_from_tree(GVirConfigXmlDoc *doc,

                                         xmlNodePtr tree)

{

    GVirConfigObject *object;

    GVirConfigDomainFilesys *filesys;

    GVirConfigDomainFilesysType type;

    const char *type_str;

    type_str = gvir_config_xml_get_attribute_content(tree, "type");

    if (type_str == NULL)

        return NULL;

    type = gvir_config_genum_get_value(GVIR_CONFIG_TYPE_DOMAIN_FILESYS_TYPE,

                                       type_str,

                                       GVIR_CONFIG_DOMAIN_FILESYS_FILE);

    object = gvir_config_object_new_from_tree(GVIR_CONFIG_TYPE_DOMAIN_FILESYS,

                                              doc, NULL, tree);

    filesys = GVIR_CONFIG_DOMAIN_FILESYS(object);

    filesys->priv->type = type;

    return GVIR_CONFIG_DOMAIN_DEVICE(object);

}

void gvir_config_domain_filesys_set_type(GVirConfigDomainFilesys *filesys,

                                         GVirConfigDomainFilesysType type)

{

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    gvir_config_object_set_attribute_with_type(GVIR_CONFIG_OBJECT(filesys),

                                               "type",

                                               GVIR_CONFIG_TYPE_DOMAIN_FILESYS_TYPE,

                                               type,

                                               NULL);

    filesys->priv->type = type;

}

void gvir_config_domain_filesys_set_access_type(GVirConfigDomainFilesys *filesys,

                                                GVirConfigDomainFilesysAccessType type)

{

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    gvir_config_object_set_attribute_with_type(GVIR_CONFIG_OBJECT(filesys),

                                               "accessmode",

                                               GVIR_CONFIG_TYPE_DOMAIN_FILESYS_ACCESS_TYPE,

                                               type,

                                               NULL);

}

void gvir_config_domain_filesys_set_driver_type(GVirConfigDomainFilesys *filesys,

                                                GVirConfigDomainFilesysDriverType type)

{

    GVirConfigObject *node;

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    node = gvir_config_object_add_child(GVIR_CONFIG_OBJECT(filesys), "driver");

    g_return_if_fail(GVIR_CONFIG_IS_OBJECT(node));

    if (type != GVIR_CONFIG_DOMAIN_FILESYS_DRIVER_DEFAULT)

        gvir_config_object_set_attribute_with_type(

            node, "type",

            GVIR_CONFIG_TYPE_DOMAIN_FILESYS_DRIVER_TYPE,

            type, NULL);

    else

        gvir_config_object_remove_attribute(node, "type");

    g_object_unref(G_OBJECT(node));

}

void gvir_config_domain_filesys_set_driver_format(GVirConfigDomainFilesys *filesys,

                                                  GVirConfigDomainDiskFormat format)

{

    GVirConfigObject *node;

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    node = gvir_config_object_add_child(GVIR_CONFIG_OBJECT(filesys), "driver");

    g_return_if_fail(GVIR_CONFIG_IS_OBJECT(node));

    gvir_config_object_set_attribute_with_type(

        node,

        "format", GVIR_CONFIG_TYPE_DOMAIN_DISK_FORMAT, format,

        NULL);

    g_object_unref(G_OBJECT(node));

}

void gvir_config_domain_filesys_set_source(GVirConfigDomainFilesys *filesys,

                                           const char *source)

{

    const char *attribute_name;

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    switch (filesys->priv->type) {

        case GVIR_CONFIG_DOMAIN_FILESYS_MOUNT:

        case GVIR_CONFIG_DOMAIN_FILESYS_BIND:

            attribute_name = "dir";

            break;

        case GVIR_CONFIG_DOMAIN_FILESYS_FILE:

            attribute_name = "file";

            break;

        case GVIR_CONFIG_DOMAIN_FILESYS_BLOCK:

            attribute_name = "dev";

            break;

        case GVIR_CONFIG_DOMAIN_FILESYS_TEMPLATE:

            attribute_name = "name";

            break;

        case GVIR_CONFIG_DOMAIN_FILESYS_RAM:

            g_return_if_reached();

        default:

            g_return_if_reached();

    }

    gvir_config_object_replace_child_with_attribute(GVIR_CONFIG_OBJECT(filesys),

                                                    "source",

                                                    attribute_name, source);

}

void gvir_config_domain_filesys_set_ram_usage(GVirConfigDomainFilesys *filesys,

                                              guint64 bytes)

{

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    g_return_if_fail(filesys->priv->type == GVIR_CONFIG_DOMAIN_FILESYS_RAM);

    GVirConfigObject *src;

    src = gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(filesys),

                                           "source");

    gvir_config_object_set_attribute_with_type(src,

                                               "usage", G_TYPE_UINT64, bytes,

                                               "units", G_TYPE_STRING, "bytes",

                                               NULL);

    g_object_unref(G_OBJECT(src));

}

void gvir_config_domain_filesys_set_target(GVirConfigDomainFilesys *filesys,

                                           const char *path)

{

    g_return_if_fail(GVIR_CONFIG_IS_DOMAIN_FILESYS(filesys));

    gvir_config_object_add_child_with_attribute(GVIR_CONFIG_OBJECT(filesys),

                                                "target", "dir", path);

}

void gvir_config_domain_filesys_set_readonly(GVirConfigDomainFilesys *filesys,

                                             gboolean readonly)

{

    if (readonly) {

        GVirConfigObject *node = gvir_config_object_replace_child(GVIR_CONFIG_OBJECT(filesys), "readonly");

        g_object_unref(node);

    } else {

        gvir_config_object_delete_child(GVIR_CONFIG_OBJECT(filesys), "readonly", NULL);

    }

}