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/*
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser 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
*/
#include "base/memory/zalloc.h"
#include "lib/misc/lib.h"
#include "lib/commands/toolcontext.h"
#include "lib/metadata/segtype.h"
#include "lib/format_text/text_export.h"
#include "lib/config/config.h"
static int _unknown_text_import(struct lv_segment *seg, const struct dm_config_node *sn,
struct dm_hash_table *pv_hash)
{
struct dm_config_node *new, *last = NULL, *head = NULL;
const struct dm_config_node *current;
log_verbose("importing unknown segment");
for (current = sn; current != NULL; current = current->sib) {
if (!strcmp(current->key, "type") || !strcmp(current->key, "start_extent") ||
!strcmp(current->key, "tags") || !strcmp(current->key, "extent_count"))
continue;
new = dm_config_clone_node_with_mem(seg->lv->vg->vgmem, current, 0);
if (!new)
return_0;
if (last)
last->sib = new;
if (!head)
head = new;
last = new;
}
seg->segtype_private = head;
return 1;
}
static int _unknown_text_export(const struct lv_segment *seg, struct formatter *f)
{
struct dm_config_node *cn = seg->segtype_private;
return out_config_node(f, cn);
}
static void _unknown_destroy(struct segment_type *segtype)
{
free((void *) segtype->name);
free(segtype);
}
static struct segtype_handler _unknown_ops = {
.text_import = _unknown_text_import,
.text_export = _unknown_text_export,
.destroy = _unknown_destroy,
};
struct segment_type *init_unknown_segtype(struct cmd_context *cmd, const char *name)
{
struct segment_type *segtype = zalloc(sizeof(*segtype));
if (!segtype) {
log_error("Failed to allocate memory for unknown segtype");
return NULL;
}
segtype->ops = &_unknown_ops;
if (!(segtype->name = strdup(name))) {
log_error("Failed to allocate name.");
free(segtype);
return NULL;
}
segtype->flags = SEG_UNKNOWN | SEG_VIRTUAL | SEG_CANNOT_BE_ZEROED;
log_very_verbose("Initialised segtype: %s", segtype->name);
return segtype;
}
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