/usr/share/gocode/src/github.com/shirou/gopsutil/host/host_windows.go is in golang-github-shirou-gopsutil-dev 2.17.08-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 | // +build windows
package host
import (
"fmt"
"os"
"runtime"
"strings"
"sync/atomic"
"time"
"unsafe"
"github.com/StackExchange/wmi"
"github.com/shirou/gopsutil/internal/common"
process "github.com/shirou/gopsutil/process"
"golang.org/x/sys/windows"
)
var (
procGetSystemTimeAsFileTime = common.Modkernel32.NewProc("GetSystemTimeAsFileTime")
osInfo *Win32_OperatingSystem
)
type Win32_OperatingSystem struct {
Version string
Caption string
ProductType uint32
BuildNumber string
LastBootUpTime time.Time
}
func Info() (*InfoStat, error) {
ret := &InfoStat{
OS: runtime.GOOS,
}
{
hostname, err := os.Hostname()
if err == nil {
ret.Hostname = hostname
}
}
{
platform, family, version, err := PlatformInformation()
if err == nil {
ret.Platform = platform
ret.PlatformFamily = family
ret.PlatformVersion = version
} else {
return ret, err
}
}
{
boot, err := BootTime()
if err == nil {
ret.BootTime = boot
ret.Uptime, _ = Uptime()
}
}
{
hostID, err := getMachineGuid()
if err == nil {
ret.HostID = strings.ToLower(hostID)
}
}
{
procs, err := process.Pids()
if err == nil {
ret.Procs = uint64(len(procs))
}
}
return ret, nil
}
func getMachineGuid() (string, error) {
var h windows.Handle
err := windows.RegOpenKeyEx(windows.HKEY_LOCAL_MACHINE, windows.StringToUTF16Ptr(`SOFTWARE\Microsoft\Cryptography`), 0, windows.KEY_READ|windows.KEY_WOW64_64KEY, &h)
if err != nil {
return "", err
}
defer windows.RegCloseKey(h)
const windowsRegBufLen = 74 // len(`{`) + len(`abcdefgh-1234-456789012-123345456671` * 2) + len(`}`) // 2 == bytes/UTF16
const uuidLen = 36
var regBuf [windowsRegBufLen]uint16
bufLen := uint32(windowsRegBufLen)
var valType uint32
err = windows.RegQueryValueEx(h, windows.StringToUTF16Ptr(`MachineGuid`), nil, &valType, (*byte)(unsafe.Pointer(®Buf[0])), &bufLen)
if err != nil {
return "", err
}
hostID := windows.UTF16ToString(regBuf[:])
hostIDLen := len(hostID)
if hostIDLen != uuidLen {
return "", fmt.Errorf("HostID incorrect: %q\n", hostID)
}
return hostID, nil
}
func GetOSInfo() (Win32_OperatingSystem, error) {
var dst []Win32_OperatingSystem
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return Win32_OperatingSystem{}, err
}
osInfo = &dst[0]
return dst[0], nil
}
func Uptime() (uint64, error) {
if osInfo == nil {
_, err := GetOSInfo()
if err != nil {
return 0, err
}
}
now := time.Now()
t := osInfo.LastBootUpTime.Local()
return uint64(now.Sub(t).Seconds()), nil
}
func bootTime(up uint64) uint64 {
return uint64(time.Now().Unix()) - up
}
// cachedBootTime must be accessed via atomic.Load/StoreUint64
var cachedBootTime uint64
func BootTime() (uint64, error) {
t := atomic.LoadUint64(&cachedBootTime)
if t != 0 {
return t, nil
}
up, err := Uptime()
if err != nil {
return 0, err
}
t = bootTime(up)
atomic.StoreUint64(&cachedBootTime, t)
return t, nil
}
func PlatformInformation() (platform string, family string, version string, err error) {
if osInfo == nil {
_, err = GetOSInfo()
if err != nil {
return
}
}
// Platform
platform = strings.Trim(osInfo.Caption, " ")
// PlatformFamily
switch osInfo.ProductType {
case 1:
family = "Standalone Workstation"
case 2:
family = "Server (Domain Controller)"
case 3:
family = "Server"
}
// Platform Version
version = fmt.Sprintf("%s Build %s", osInfo.Version, osInfo.BuildNumber)
return
}
func Users() ([]UserStat, error) {
var ret []UserStat
return ret, nil
}
func SensorsTemperatures() ([]TemperatureStat, error) {
return []TemperatureStat{}, common.ErrNotImplementedError
}
func Virtualization() (string, string, error) {
return "", "", common.ErrNotImplementedError
}
func KernelVersion() (string, error) {
_, _, version, err := PlatformInformation()
return version, err
}
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