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/*
Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS 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
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/>.
*/
#include <unistd.h>
#include <sys/uio.h>
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include "xlator.h"
#include "meta.h"
#define min(x,y) ((x) < (y) ? (x) : (y))
/* /.meta/version */
static const char *version_str = PACKAGE_NAME " " PACKAGE_VERSION "\n";
int32_t
meta_version_readv (call_frame_t *frame, xlator_t *this,
dict_t *fd, size_t size, off_t offset)
{
static int version_size;
version_size = strlen (version_str);
struct iovec vec;
vec.iov_base = version_str + offset;
vec.iov_len = min (version_size - offset, size);
STACK_UNWIND (frame, vec.iov_len, 0, &vec, 1);
return 0;
}
int32_t
meta_version_getattr (call_frame_t *frame,
xlator_t *this,
const char *path)
{
meta_private_t *priv = (meta_private_t *) this->private;
meta_dirent_t *root = priv->tree;
meta_dirent_t *file = lookup_meta_entry (root, path, NULL);
file->stbuf->st_size = strlen (version_str);
STACK_UNWIND (frame, 0, 0, file->stbuf);
}
struct xlator_fops meta_version_fops = {
.readv = meta_version_readv,
.getattr = meta_version_getattr
};
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