138 lines
2.3 KiB
Go
138 lines
2.3 KiB
Go
// +build windows
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package host
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import (
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"fmt"
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"os"
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"runtime"
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"strings"
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"time"
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"github.com/StackExchange/wmi"
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"github.com/shirou/gopsutil/internal/common"
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process "github.com/shirou/gopsutil/process"
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)
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var (
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procGetSystemTimeAsFileTime = common.Modkernel32.NewProc("GetSystemTimeAsFileTime")
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osInfo *Win32_OperatingSystem
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)
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type Win32_OperatingSystem struct {
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Version string
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Caption string
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ProductType uint32
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BuildNumber string
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LastBootUpTime time.Time
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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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}
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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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} else {
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return ret, err
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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()
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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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return ret, nil
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}
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func GetOSInfo() (Win32_OperatingSystem, error) {
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var dst []Win32_OperatingSystem
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q := wmi.CreateQuery(&dst, "")
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err := wmi.Query(q, &dst)
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if err != nil {
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return Win32_OperatingSystem{}, err
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}
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osInfo = &dst[0]
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return dst[0], nil
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}
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func Uptime() (uint64, error) {
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if osInfo == nil {
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_, err := GetOSInfo()
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if err != nil {
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return 0, err
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}
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}
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now := time.Now()
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t := osInfo.LastBootUpTime.Local()
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return uint64(now.Sub(t).Seconds()), nil
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}
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func bootTime(up uint64) uint64 {
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return uint64(time.Now().Unix()) - up
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}
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func BootTime() (uint64, error) {
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if cachedBootTime != 0 {
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return cachedBootTime, nil
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}
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up, err := Uptime()
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if err != nil {
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return 0, err
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}
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cachedBootTime = bootTime(up)
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return cachedBootTime, nil
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}
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func PlatformInformation() (platform string, family string, version string, err error) {
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if osInfo == nil {
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_, err = GetOSInfo()
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if err != nil {
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return
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}
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}
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// Platform
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platform = strings.Trim(osInfo.Caption, " ")
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// PlatformFamily
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switch osInfo.ProductType {
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case 1:
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family = "Standalone Workstation"
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case 2:
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family = "Server (Domain Controller)"
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case 3:
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family = "Server"
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}
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// Platform Version
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version = fmt.Sprintf("%s Build %s", osInfo.Version, osInfo.BuildNumber)
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return
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}
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func Users() ([]UserStat, error) {
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var ret []UserStat
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return ret, nil
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}
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