73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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// +build aix
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package perfstat
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/*
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#cgo LDFLAGS: -lperfstat
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#include <libperfstat.h>
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#include <string.h>
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#include <stdlib.h>
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#include "c_helpers.h"
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*/
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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func LogicalVolumeStat() ([]LogicalVolume, error) {
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var lv *C.perfstat_logicalvolume_t
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var lvname C.perfstat_id_t
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numlvs := C.perfstat_logicalvolume(nil, nil, C.sizeof_perfstat_logicalvolume_t, 0)
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if numlvs <= 0 {
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return nil, fmt.Errorf("perfstat_logicalvolume() error")
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}
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lv_len := C.sizeof_perfstat_logicalvolume_t * C.ulong(numlvs)
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lv = (*C.perfstat_logicalvolume_t)(C.malloc(lv_len))
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defer C.free(unsafe.Pointer(lv))
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C.strcpy(&lvname.name[0], C.CString(""))
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r := C.perfstat_logicalvolume(&lvname, lv, C.sizeof_perfstat_logicalvolume_t, numlvs)
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if r < 0 {
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return nil, fmt.Errorf("perfstat_logicalvolume() error")
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}
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lvs := make([]LogicalVolume, r)
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for i := 0; i < int(r); i++ {
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l := C.get_logicalvolume_stat(lv, C.int(i))
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if l != nil {
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lvs[i] = perfstatlogicalvolume2logicalvolume(l)
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}
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}
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return lvs, nil
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}
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func VolumeGroupStat() ([]VolumeGroup, error) {
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var vg *C.perfstat_volumegroup_t
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var vgname C.perfstat_id_t
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numvgs := C.perfstat_volumegroup(nil, nil, C.sizeof_perfstat_volumegroup_t, 0)
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if numvgs <= 0 {
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return nil, fmt.Errorf("perfstat_volumegroup() error")
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}
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vg_len := C.sizeof_perfstat_volumegroup_t * C.ulong(numvgs)
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vg = (*C.perfstat_volumegroup_t)(C.malloc(vg_len))
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defer C.free(unsafe.Pointer(vg))
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C.strcpy(&vgname.name[0], C.CString(""))
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r := C.perfstat_volumegroup(&vgname, vg, C.sizeof_perfstat_volumegroup_t, numvgs)
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if r < 0 {
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return nil, fmt.Errorf("perfstat_volumegroup() error")
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}
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vgs := make([]VolumeGroup, r)
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for i := 0; i < int(r); i++ {
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v := C.get_volumegroup_stat(vg, C.int(i))
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if v != nil {
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vgs[i] = perfstatvolumegroup2volumegroup(v)
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}
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}
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return vgs, nil
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}
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