Add v16.7.2

vendor/github.com/power-devops/perfstat/lvmstat.go

@@ -0,0 +1,72 @@
+// +build aix
+
+package perfstat
+
+/*
+#cgo LDFLAGS: -lperfstat
+
+#include <libperfstat.h>
+#include <string.h>
+#include <stdlib.h>
+#include "c_helpers.h"
+*/
+import "C"
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+func LogicalVolumeStat() ([]LogicalVolume, error) {
+	var lv *C.perfstat_logicalvolume_t
+	var lvname C.perfstat_id_t
+
+	numlvs := C.perfstat_logicalvolume(nil, nil, C.sizeof_perfstat_logicalvolume_t, 0)
+	if numlvs <= 0 {
+		return nil, fmt.Errorf("perfstat_logicalvolume() error")
+	}
+
+	lv_len := C.sizeof_perfstat_logicalvolume_t * C.ulong(numlvs)
+	lv = (*C.perfstat_logicalvolume_t)(C.malloc(lv_len))
+	defer C.free(unsafe.Pointer(lv))
+	C.strcpy(&lvname.name[0], C.CString(""))
+	r := C.perfstat_logicalvolume(&lvname, lv, C.sizeof_perfstat_logicalvolume_t, numlvs)
+	if r < 0 {
+		return nil, fmt.Errorf("perfstat_logicalvolume() error")
+	}
+	lvs := make([]LogicalVolume, r)
+	for i := 0; i < int(r); i++ {
+		l := C.get_logicalvolume_stat(lv, C.int(i))
+		if l != nil {
+			lvs[i] = perfstatlogicalvolume2logicalvolume(l)
+		}
+	}
+	return lvs, nil
+}
+
+func VolumeGroupStat() ([]VolumeGroup, error) {
+	var vg *C.perfstat_volumegroup_t
+	var vgname C.perfstat_id_t
+
+	numvgs := C.perfstat_volumegroup(nil, nil, C.sizeof_perfstat_volumegroup_t, 0)
+	if numvgs <= 0 {
+		return nil, fmt.Errorf("perfstat_volumegroup() error")
+	}
+
+	vg_len := C.sizeof_perfstat_volumegroup_t * C.ulong(numvgs)
+	vg = (*C.perfstat_volumegroup_t)(C.malloc(vg_len))
+	defer C.free(unsafe.Pointer(vg))
+	C.strcpy(&vgname.name[0], C.CString(""))
+	r := C.perfstat_volumegroup(&vgname, vg, C.sizeof_perfstat_volumegroup_t, numvgs)
+	if r < 0 {
+		return nil, fmt.Errorf("perfstat_volumegroup() error")
+	}
+	vgs := make([]VolumeGroup, r)
+	for i := 0; i < int(r); i++ {
+		v := C.get_volumegroup_stat(vg, C.int(i))
+		if v != nil {
+			vgs[i] = perfstatvolumegroup2volumegroup(v)
+		}
+	}
+	return vgs, nil
+}