175 lines
3.9 KiB
Go
175 lines
3.9 KiB
Go
// +build freebsd
|
|
|
|
package disk
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/binary"
|
|
"path"
|
|
"strconv"
|
|
|
|
"golang.org/x/sys/unix"
|
|
|
|
"github.com/shirou/gopsutil/internal/common"
|
|
)
|
|
|
|
func Partitions(all bool) ([]PartitionStat, error) {
|
|
return PartitionsWithContext(context.Background(), all)
|
|
}
|
|
|
|
func PartitionsWithContext(ctx context.Context, all bool) ([]PartitionStat, error) {
|
|
var ret []PartitionStat
|
|
|
|
// get length
|
|
count, err := unix.Getfsstat(nil, unix.MNT_WAIT)
|
|
if err != nil {
|
|
return ret, err
|
|
}
|
|
|
|
fs := make([]unix.Statfs_t, count)
|
|
if _, err = unix.Getfsstat(fs, unix.MNT_WAIT); err != nil {
|
|
return ret, err
|
|
}
|
|
|
|
for _, stat := range fs {
|
|
opts := "rw"
|
|
if stat.Flags&unix.MNT_RDONLY != 0 {
|
|
opts = "ro"
|
|
}
|
|
if stat.Flags&unix.MNT_SYNCHRONOUS != 0 {
|
|
opts += ",sync"
|
|
}
|
|
if stat.Flags&unix.MNT_NOEXEC != 0 {
|
|
opts += ",noexec"
|
|
}
|
|
if stat.Flags&unix.MNT_NOSUID != 0 {
|
|
opts += ",nosuid"
|
|
}
|
|
if stat.Flags&unix.MNT_UNION != 0 {
|
|
opts += ",union"
|
|
}
|
|
if stat.Flags&unix.MNT_ASYNC != 0 {
|
|
opts += ",async"
|
|
}
|
|
if stat.Flags&unix.MNT_SUIDDIR != 0 {
|
|
opts += ",suiddir"
|
|
}
|
|
if stat.Flags&unix.MNT_SOFTDEP != 0 {
|
|
opts += ",softdep"
|
|
}
|
|
if stat.Flags&unix.MNT_NOSYMFOLLOW != 0 {
|
|
opts += ",nosymfollow"
|
|
}
|
|
if stat.Flags&unix.MNT_GJOURNAL != 0 {
|
|
opts += ",gjournal"
|
|
}
|
|
if stat.Flags&unix.MNT_MULTILABEL != 0 {
|
|
opts += ",multilabel"
|
|
}
|
|
if stat.Flags&unix.MNT_ACLS != 0 {
|
|
opts += ",acls"
|
|
}
|
|
if stat.Flags&unix.MNT_NOATIME != 0 {
|
|
opts += ",noatime"
|
|
}
|
|
if stat.Flags&unix.MNT_NOCLUSTERR != 0 {
|
|
opts += ",noclusterr"
|
|
}
|
|
if stat.Flags&unix.MNT_NOCLUSTERW != 0 {
|
|
opts += ",noclusterw"
|
|
}
|
|
if stat.Flags&unix.MNT_NFS4ACLS != 0 {
|
|
opts += ",nfsv4acls"
|
|
}
|
|
|
|
d := PartitionStat{
|
|
Device: common.ByteToString(stat.Mntfromname[:]),
|
|
Mountpoint: common.ByteToString(stat.Mntonname[:]),
|
|
Fstype: common.ByteToString(stat.Fstypename[:]),
|
|
Opts: opts,
|
|
}
|
|
if all == false {
|
|
if !path.IsAbs(d.Device) || !common.PathExists(d.Device) {
|
|
continue
|
|
}
|
|
}
|
|
|
|
ret = append(ret, d)
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func IOCounters(names ...string) (map[string]IOCountersStat, error) {
|
|
return IOCountersWithContext(context.Background(), names...)
|
|
}
|
|
|
|
func IOCountersWithContext(ctx context.Context, names ...string) (map[string]IOCountersStat, error) {
|
|
// statinfo->devinfo->devstat
|
|
// /usr/include/devinfo.h
|
|
ret := make(map[string]IOCountersStat)
|
|
|
|
r, err := unix.Sysctl("kern.devstat.all")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
buf := []byte(r)
|
|
length := len(buf)
|
|
|
|
count := int(uint64(length) / uint64(sizeOfDevstat))
|
|
|
|
buf = buf[8:] // devstat.all has version in the head.
|
|
// parse buf to Devstat
|
|
for i := 0; i < count; i++ {
|
|
b := buf[i*sizeOfDevstat : i*sizeOfDevstat+sizeOfDevstat]
|
|
d, err := parseDevstat(b)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
un := strconv.Itoa(int(d.Unit_number))
|
|
name := common.IntToString(d.Device_name[:]) + un
|
|
|
|
if len(names) > 0 && !common.StringsHas(names, name) {
|
|
continue
|
|
}
|
|
|
|
ds := IOCountersStat{
|
|
ReadCount: d.Operations[DEVSTAT_READ],
|
|
WriteCount: d.Operations[DEVSTAT_WRITE],
|
|
ReadBytes: d.Bytes[DEVSTAT_READ],
|
|
WriteBytes: d.Bytes[DEVSTAT_WRITE],
|
|
ReadTime: uint64(d.Duration[DEVSTAT_READ].Compute() * 1000),
|
|
WriteTime: uint64(d.Duration[DEVSTAT_WRITE].Compute() * 1000),
|
|
IoTime: uint64(d.Busy_time.Compute() * 1000),
|
|
Name: name,
|
|
}
|
|
ret[name] = ds
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func (b Bintime) Compute() float64 {
|
|
BINTIME_SCALE := 5.42101086242752217003726400434970855712890625e-20
|
|
return float64(b.Sec) + float64(b.Frac)*BINTIME_SCALE
|
|
}
|
|
|
|
// BT2LD(time) ((long double)(time).sec + (time).frac * BINTIME_SCALE)
|
|
|
|
func parseDevstat(buf []byte) (Devstat, error) {
|
|
var ds Devstat
|
|
br := bytes.NewReader(buf)
|
|
// err := binary.Read(br, binary.LittleEndian, &ds)
|
|
err := common.Read(br, binary.LittleEndian, &ds)
|
|
if err != nil {
|
|
return ds, err
|
|
}
|
|
|
|
return ds, nil
|
|
}
|
|
|
|
func getFsType(stat unix.Statfs_t) string {
|
|
return common.ByteToString(stat.Fstypename[:])
|
|
}
|