9ccb340893
* deps: update golang.org/x/sys * deps: update imports to gopsutil/v3 * chore: make update-vendor
124 lines
2.5 KiB
Go
124 lines
2.5 KiB
Go
// +build darwin
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package host
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import (
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"bytes"
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"context"
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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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"strings"
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"unsafe"
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"github.com/shirou/gopsutil/v3/internal/common"
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"github.com/shirou/gopsutil/v3/process"
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"golang.org/x/sys/unix"
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)
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// from utmpx.h
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const user_PROCESS = 7
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func HostIDWithContext(ctx context.Context) (string, error) {
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uuid, err := unix.Sysctl("kern.uuid")
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if err != nil {
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return "", err
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}
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return strings.ToLower(uuid), err
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}
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func numProcs(ctx context.Context) (uint64, error) {
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procs, err := process.PidsWithContext(ctx)
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if err != nil {
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return 0, err
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}
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return uint64(len(procs)), nil
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}
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func UsersWithContext(ctx context.Context) ([]UserStat, error) {
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utmpfile := "/var/run/utmpx"
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var ret []UserStat
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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 := Utmpx{}
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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 Utmpx
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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 {
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continue
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}
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if u.Type != user_PROCESS {
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continue
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}
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user := UserStat{
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User: common.IntToString(u.User[:]),
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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.Tv.Sec),
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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 PlatformInformationWithContext(ctx context.Context) (string, string, string, error) {
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platform := ""
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family := ""
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pver := ""
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sw_vers, err := exec.LookPath("sw_vers")
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if err != nil {
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return "", "", "", err
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}
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p, err := unix.Sysctl("kern.ostype")
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if err == nil {
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platform = strings.ToLower(p)
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}
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out, err := invoke.CommandWithContext(ctx, sw_vers, "-productVersion")
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if err == nil {
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pver = strings.ToLower(strings.TrimSpace(string(out)))
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}
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// check if the macos server version file exists
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_, err = os.Stat("/System/Library/CoreServices/ServerVersion.plist")
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// server file doesn't exist
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if os.IsNotExist(err) {
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family = "Standalone Workstation"
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} else {
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family = "Server"
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}
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return platform, family, pver, nil
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}
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func VirtualizationWithContext(ctx context.Context) (string, string, error) {
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return "", "", common.ErrNotImplementedError
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}
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func KernelVersionWithContext(ctx context.Context) (string, error) {
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version, err := unix.Sysctl("kern.osrelease")
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return strings.ToLower(version), err
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}
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