/*
* __curstat_get_value --
* WT_CURSOR->get_value for statistics cursors.
*/
static int
__curstat_get_value(WT_CURSOR *cursor, ...)
{
WT_CURSOR_STAT *cst;
WT_DECL_RET;
WT_ITEM *item;
WT_SESSION_IMPL *session;
size_t size;
uint64_t *v;
const char *desc, **p;
va_list ap;
cst = (WT_CURSOR_STAT *)cursor;
va_start(ap, cursor);
CURSOR_API_CALL(cursor, session, get_value, NULL);
WT_ERR(__cursor_needvalue(cursor));
WT_ERR(cst->stats_desc(cst, WT_STAT_KEY_OFFSET(cst), &desc));
if (F_ISSET(cursor, WT_CURSTD_RAW)) {
WT_ERR(__wt_struct_size(session, &size, cursor->value_format,
desc, cst->pv.data, cst->v));
WT_ERR(__wt_buf_initsize(session, &cursor->value, size));
WT_ERR(__wt_struct_pack(session, cursor->value.mem, size,
cursor->value_format, desc, cst->pv.data, cst->v));
item = va_arg(ap, WT_ITEM *);
item->data = cursor->value.data;
item->size = cursor->value.size;
} else {
/*
* Don't drop core if the statistics value isn't requested; NULL
* pointer support isn't documented, but it's a cheap test.
*/
if ((p = va_arg(ap, const char **)) != NULL)
WT_ERR(__wt_buf_initsize(session, &cursor->value, size));
WT_ERR(__wt_struct_pack(session, cursor->value.mem, size,
cursor->value_format,
cst->stats[WT_STAT_KEY_OFFSET(cst)].desc,
cst->pv.data, cst->v));
item = va_arg(ap, WT_ITEM *);
item->data = cursor->value.data;
item->size = cursor->value.size;
} else {
/*
* Don't drop core if the statistics value isn't requested; NULL
* pointer support isn't documented, but it's a cheap test.
*/
if ((p = va_arg(ap, const char **)) != NULL)
*p = cst->stats[WT_STAT_KEY_OFFSET(cst)].desc;
if ((p = va_arg(ap, const char **)) != NULL)
*p = cst->pv.data;
if ((v = va_arg(ap, uint64_t *)) != NULL)
*v = cst->v;
}
err: va_end(ap);
API_END_RET(session, ret);
}
/*
* __curstat_set_key --
* WT_CURSOR->set_key for statistics cursors.
*/
static void
WT_ERR(__wt_buf_initsize(session, &cursor->value, size));
WT_ERR(__wt_struct_pack(session, cursor->value.mem, size,
cursor->value_format,
cst->stats_first[WT_STAT_KEY_OFFSET(cst)].desc,
cst->pv.data, cst->v));
item = va_arg(ap, WT_ITEM *);
item->data = cursor->value.data;
item->size = cursor->value.size;
} else {
/*
* Don't drop core if the statistics value isn't requested; NULL
* pointer support isn't documented, but it's a cheap test.
*/
if ((p = va_arg(ap, const char **)) != NULL)
*p = cst->stats_first[WT_STAT_KEY_OFFSET(cst)].desc;
if ((p = va_arg(ap, const char **)) != NULL)
*p = cst->pv.data;
if ((v = va_arg(ap, uint64_t *)) != NULL)
*v = cst->v;
}
err: va_end(ap);
API_END_RET(session, ret);
}
/*
* __curstat_set_key --
* WT_CURSOR->set_key for statistics cursors.
*/
static void
