115 lines
2.3 KiB
Go
115 lines
2.3 KiB
Go
//go:build windows
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package sysinfo
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import (
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"fmt"
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"strings"
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"unsafe"
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"golang.org/x/sys/windows"
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"golang.org/x/sys/windows/registry"
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)
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func collectPlatform() Info {
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return Info{
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CPU: cpuName(),
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GPU: gpuName(),
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RAM: totalRAM(),
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}
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}
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func cpuName() string {
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k, err := registry.OpenKey(registry.LOCAL_MACHINE,
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`HARDWARE\DESCRIPTION\System\CentralProcessor\0`, registry.QUERY_VALUE)
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if err != nil {
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return "unknown"
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}
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defer k.Close()
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name, _, err := k.GetStringValue("ProcessorNameString")
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if err != nil {
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return "unknown"
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}
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return strings.TrimSpace(name)
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}
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func gpuName() string {
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basePath := `SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}`
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k, err := registry.OpenKey(registry.LOCAL_MACHINE, basePath, registry.ENUMERATE_SUB_KEYS)
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if err != nil {
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return "unknown"
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}
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defer k.Close()
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subkeys, err := k.ReadSubKeyNames(-1)
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if err != nil {
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return "unknown"
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}
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var gpus []string
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for _, sub := range subkeys {
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if len(sub) != 4 {
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continue
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}
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allDigits := true
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for _, c := range sub {
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if c < '0' || c > '9' {
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allDigits = false
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break
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}
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}
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if !allDigits {
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continue
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}
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sk, err := registry.OpenKey(registry.LOCAL_MACHINE,
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basePath+`\`+sub, registry.QUERY_VALUE)
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if err != nil {
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continue
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}
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desc, _, err := sk.GetStringValue("DriverDesc")
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sk.Close()
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if err != nil || desc == "" {
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continue
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}
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gpus = append(gpus, strings.TrimSpace(desc))
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}
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if len(gpus) == 0 {
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return "unknown"
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}
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return strings.Join(gpus, ", ")
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}
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func totalRAM() string {
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type memoryStatusEx struct {
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Length uint32
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MemoryLoad uint32
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TotalPhys uint64
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AvailPhys uint64
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TotalPageFile uint64
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AvailPageFile uint64
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TotalVirtual uint64
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AvailVirtual uint64
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AvailExtendedVirtual uint64
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}
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kernel32 := windows.NewLazySystemDLL("kernel32.dll")
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globalMemoryStatusEx := kernel32.NewProc("GlobalMemoryStatusEx")
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var ms memoryStatusEx
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ms.Length = uint32(unsafe.Sizeof(ms))
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ret, _, _ := globalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&ms)))
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if ret == 0 {
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return "unknown"
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}
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gb := float64(ms.TotalPhys) / (1024 * 1024 * 1024)
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if gb >= 1 {
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return fmt.Sprintf("%.0f GB", gb)
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}
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mb := float64(ms.TotalPhys) / (1024 * 1024)
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return fmt.Sprintf("%.0f MB", mb)
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}
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