#include "disk.h"
#include "../pack.h"
my_disk_t* disk_impl(
int
desired_number,
char
* name,
int
update_name)
{
perfstat_id_t disk_name;
if
(desired_number < 1)
{
die(
"disk: desired_number must be at least 1."
);
}
if
(
strlen
(name) > (IDENTIFIER_LENGTH - 1))
{
die(
"disk: name must be less than IDENTIFER_LENGTH chars including the trailing \'\\0\'.\n"
);
}
strncpy
(disk_name.name, name, IDENTIFIER_LENGTH);
my_disk_t* disk = (my_disk_t*)safemalloc(
sizeof
(my_disk_t));
if
(disk == NULL)
{
die(
"disk: malloc failed for disk"
);
}
disk->size = 0;
disk->data = (perfstat_disk_t*)safemalloc(desired_number *
sizeof
(perfstat_disk_t));
if
(disk->data == NULL)
{
safefree(disk);
die(
"disk: malloc failed for disk->data"
);
}
if
((disk->size = perfstat_disk(&disk_name, disk->data,
sizeof
(perfstat_disk_t), desired_number)) == -1 || (disk->size == 0))
{
safefree(disk->data);
safefree(disk);
disk = NULL;
}
if
(update_name)
{
int
name_len =
strlen
(name);
int
disk_name_len =
strlen
(disk_name.name);
if
(disk_name_len > name_len)
{
safefree(name);
name = (
char
*)safemalloc((disk_name_len+1)*
sizeof
(
char
));
if
(name == NULL)
{
die(
"disk: couldn't malloc for new name string."
);
}
}
strncpy
(name, disk_name.name, disk_name_len+1);
}
return
disk;
}
int
disk_count_impl()
{
return
perfstat_disk(NULL, NULL,
sizeof
(perfstat_disk_t), 0);
}
perfstat_disk_total_t* disk_total_impl()
{
perfstat_disk_total_t* disk_total = (perfstat_disk_total_t*)safemalloc(
sizeof
(perfstat_disk_total_t));
if
(disk_total == NULL)
{
die(
"disk_total: unable to malloc"
);
}
if
(perfstat_disk_total(NULL, disk_total,
sizeof
(perfstat_disk_total_t), 1) == -1)
{
safefree(disk_total);
die(
"disk_total: failed"
);
}
return
disk_total;
}
void
XS_pack_my_disk_tPtr(SV *st, my_disk_t *q)
{
AV *av = newAV();
SV *sv;
perfstat_disk_t *p;
int
i;
for
(i = 0, p = q->data; i < (q->size); i++, p++)
{
HV *hv = newHV();
PACK_PV(name,0);
PACK_PV(description,0);
PACK_PV(vgname,0);
PACK_UV(size);
PACK_UV(
free
);
PACK_UV(bsize);
PACK_UV(xrate);
PACK_UV(xfers);
PACK_UV(wblks);
PACK_UV(rblks);
PACK_UV(qdepth);
PACK_UV(
time
);
av_push(av, newRV_noinc((SV*)hv));
}
sv = newSVrv(st, NULL);
SvREFCNT_dec(sv);
SvRV(st) = (SV*)av;
}
void
XS_pack_perfstat_disk_total_tPtr(SV *st, perfstat_disk_total_t *p)
{
HV *hv = newHV();
SV *sv;
PACK_IV(number);
PACK_UV(size);
PACK_UV(
free
);
PACK_UV(xrate);
PACK_UV(xfers);
PACK_UV(wblks);
PACK_UV(rblks);
PACK_UV(
time
);
sv = newSVrv(st, NULL);
SvREFCNT_dec(sv);
SvRV(st) = (SV*)hv;
}