163 lines
3 KiB
Go
163 lines
3 KiB
Go
// +build openbsd
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package host
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import (
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"bytes"
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"encoding/binary"
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"io/ioutil"
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"os"
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"os/exec"
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"runtime"
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"strconv"
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"strings"
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"time"
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"unsafe"
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"github.com/shirou/gopsutil/internal/common"
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"github.com/shirou/gopsutil/process"
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)
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const (
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UTNameSize = 32 /* see MAXLOGNAME in <sys/param.h> */
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UTLineSize = 8
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UTHostSize = 16
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)
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func Info() (*InfoStat, error) {
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ret := &InfoStat{
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OS: runtime.GOOS,
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PlatformFamily: "openbsd",
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}
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hostname, err := os.Hostname()
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if err == nil {
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ret.Hostname = hostname
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}
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platform, family, version, err := PlatformInformation()
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if err == nil {
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ret.Platform = platform
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ret.PlatformFamily = family
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ret.PlatformVersion = version
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}
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system, role, err := Virtualization()
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if err == nil {
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ret.VirtualizationSystem = system
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ret.VirtualizationRole = role
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}
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procs, err := process.Pids()
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if err == nil {
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ret.Procs = uint64(len(procs))
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}
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boot, err := BootTime()
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if err == nil {
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ret.BootTime = boot
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ret.Uptime = uptime(boot)
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}
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return ret, nil
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}
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func BootTime() (uint64, error) {
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val, err := common.DoSysctrl("kern.boottime")
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if err != nil {
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return 0, err
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}
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boottime, err := strconv.ParseUint(val[0], 10, 64)
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if err != nil {
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return 0, err
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}
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return boottime, nil
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}
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func uptime(boot uint64) uint64 {
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return uint64(time.Now().Unix()) - boot
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}
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func Uptime() (uint64, error) {
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boot, err := BootTime()
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if err != nil {
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return 0, err
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}
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return uptime(boot), nil
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}
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func PlatformInformation() (string, string, string, error) {
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platform := ""
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family := ""
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version := ""
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uname, err := exec.LookPath("uname")
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if err != nil {
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return "", "", "", err
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}
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out, err := invoke.Command(uname, "-s")
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if err == nil {
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platform = strings.ToLower(strings.TrimSpace(string(out)))
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}
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out, err = invoke.Command(uname, "-r")
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if err == nil {
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version = strings.ToLower(strings.TrimSpace(string(out)))
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}
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return platform, family, version, nil
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}
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func Virtualization() (string, string, error) {
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return "", "", common.ErrNotImplementedError
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}
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func Users() ([]UserStat, error) {
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var ret []UserStat
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utmpfile := "/var/run/utmp"
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file, err := os.Open(utmpfile)
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if err != nil {
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return ret, err
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}
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defer file.Close()
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buf, err := ioutil.ReadAll(file)
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if err != nil {
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return ret, err
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}
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u := Utmp{}
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entrySize := int(unsafe.Sizeof(u))
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count := len(buf) / entrySize
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for i := 0; i < count; i++ {
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b := buf[i*entrySize : i*entrySize+entrySize]
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var u Utmp
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br := bytes.NewReader(b)
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err := binary.Read(br, binary.LittleEndian, &u)
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if err != nil || u.Time == 0 {
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continue
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}
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user := UserStat{
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User: common.IntToString(u.Name[:]),
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Terminal: common.IntToString(u.Line[:]),
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Host: common.IntToString(u.Host[:]),
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Started: int(u.Time),
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}
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ret = append(ret, user)
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}
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return ret, nil
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}
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func SensorsTemperatures() ([]TemperatureStat, error) {
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return []TemperatureStat{}, common.ErrNotImplementedError
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}
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func KernelVersion() (string, error) {
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_, _, version, err := PlatformInformation()
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return version, err
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}
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