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/*
Copyright (c) 2015 Red Hat, Inc. <http://www.redhat.com>
This file is part of GlusterFS.
This file is licensed to you under your choice of the GNU Lesser
General Public License, version 3 or any later version (LGPLv3 or
later), or the GNU General Public License, version 2 (GPLv2), in all
cases as published by the Free Software Foundation.
*/
#include "dict.h"
#include "logging.h"
#include "byte-order.h"
#include "quota-common-utils.h"
int32_t
quota_dict_get_meta (dict_t *dict, char *key, quota_meta_t *meta)
{
int32_t ret = -1;
data_t *data = NULL;
quota_meta_t *value = NULL;
int64_t *size = NULL;
if (!dict || !key || !meta)
goto out;
data = dict_get (dict, key);
if (!data || !data->data)
goto out;
if (data->len > sizeof (int64_t)) {
value = (quota_meta_t *) data->data;
meta->size = ntoh64 (value->size);
meta->file_count = ntoh64 (value->file_count);
if (data->len > (sizeof (int64_t)) * 2)
meta->dir_count = ntoh64 (value->dir_count);
else
meta->dir_count = 0;
} else {
size = (int64_t *) data->data;
meta->size = ntoh64 (*size);
meta->file_count = 0;
meta->dir_count = 0;
/* This can happen during software upgrade.
* Older version of glusterfs will not have inode count.
* Return failure, this will be healed as part of lookup
*/
gf_log_callingfn ("quota", GF_LOG_DEBUG, "Object quota xattrs "
"missing: len = %d", data->len);
ret = -2;
goto out;
}
ret = 0;
out:
return ret;
}
int32_t
quota_dict_set_meta (dict_t *dict, char *key, const quota_meta_t *meta,
ia_type_t ia_type)
{
int32_t ret = -1;
quota_meta_t *value = NULL;
value = GF_CALLOC (1, sizeof (quota_meta_t), gf_common_quota_meta_t);
if (value == NULL) {
gf_log_callingfn ("quota", GF_LOG_ERROR,
"Memory allocation failed");
goto out;
}
value->size = hton64 (meta->size);
value->file_count = hton64 (meta->file_count);
value->dir_count = hton64 (meta->dir_count);
if (ia_type == IA_IFDIR) {
ret = dict_set_bin (dict, key, value, sizeof (*value));
} else {
/* For a file we don't need to store dir_count in the
* quota size xattr, so we set the len of the data in the dict
* as 128bits, so when the posix xattrop reads the dict, it only
* performs operations on size and file_count
*/
ret = dict_set_bin (dict, key, value,
sizeof (*value) - sizeof (int64_t));
}
if (ret < 0) {
gf_log_callingfn ("quota", GF_LOG_ERROR, "dict set failed");
GF_FREE (value);
}
out:
return ret;
}
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