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Add durable HostID generation for Windows. 

https://github.com/shirou/gopsutil/pull/312
This commit is contained in:
Sean Chittenden 2017-02-02 16:11:54 -08:00
parent 137f03814a
commit 6a787ec6f7
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GPG Key ID: 4EBC9DC16C2E5E16
1 changed files with 62 additions and 18 deletions
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80
vendor/github.com/shirou/gopsutil/host/host_windows.go generated vendored
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@ -7,7 +7,9 @@ import (
"os" "os"
"runtime" "runtime"
"strings" "strings"
"syscall"
"time" "time"
"unsafe"
"github.com/StackExchange/wmi" "github.com/StackExchange/wmi"
@ -33,34 +35,77 @@ func Info() (*InfoStat, error) {
OS: runtime.GOOS, OS: runtime.GOOS,
} }
hostname, err := os.Hostname() {
if err == nil { hostname, err := os.Hostname()
ret.Hostname = hostname if err == nil {
ret.Hostname = hostname
}
} }
platform, family, version, err := PlatformInformation() {
if err == nil { platform, family, version, err := PlatformInformation()
ret.Platform = platform if err == nil {
ret.PlatformFamily = family ret.Platform = platform
ret.PlatformVersion = version ret.PlatformFamily = family
} else { ret.PlatformVersion = version
return ret, err } else {
return ret, err
}
} }
boot, err := BootTime() {
if err == nil { boot, err := BootTime()
ret.BootTime = boot if err == nil {
ret.Uptime, _ = Uptime() ret.BootTime = boot
ret.Uptime, _ = Uptime()
}
} }
procs, err := process.Pids() {
if err == nil { hostID, err := getMachineGuid()
ret.Procs = uint64(len(procs)) if err == nil {
ret.HostID = hostID
}
}
{
procs, err := process.Pids()
if err == nil {
ret.Procs = uint64(len(procs))
}
} }
return ret, nil return ret, nil
} }
func getMachineGuid() (string, error) {
var h syscall.Handle
err := syscall.RegOpenKeyEx(syscall.HKEY_LOCAL_MACHINE, syscall.StringToUTF16Ptr(`SOFTWARE\Microsoft\Cryptography`), 0, syscall.KEY_READ, &h)
if err != nil {
return "", err
}
defer syscall.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 = syscall.RegQueryValueEx(h, syscall.StringToUTF16Ptr(`MachineGuid`), nil, &valType, (*byte)(unsafe.Pointer(&regBuf[0])), &bufLen)
if err != nil {
return "", err
}
hostID := syscall.UTF16ToString(regBuf[:])
hostIDLen := len(hostID)
if hostIDLen != uuidLen {
return "", fmt.Errorf("HostID incorrect: %q\n", hostID)
}
return hostID, nil
}
func GetOSInfo() (Win32_OperatingSystem, error) { func GetOSInfo() (Win32_OperatingSystem, error) {
var dst []Win32_OperatingSystem var dst []Win32_OperatingSystem
q := wmi.CreateQuery(&dst, "") q := wmi.CreateQuery(&dst, "")
@ -130,7 +175,6 @@ func PlatformInformation() (platform string, family string, version string, err
} }
func Users() ([]UserStat, error) { func Users() ([]UserStat, error) {
var ret []UserStat var ret []UserStat
return ret, nil return ret, nil