// +build openbsd package host import ( "bytes" "context" "encoding/binary" "io/ioutil" "os" "runtime" "strings" "unsafe" "github.com/shirou/gopsutil/internal/common" "github.com/shirou/gopsutil/process" "golang.org/x/sys/unix" ) const ( UTNameSize = 32 /* see MAXLOGNAME in */ UTLineSize = 8 UTHostSize = 16 ) func Info() (*InfoStat, error) { return InfoWithContext(context.Background()) } func InfoWithContext(ctx context.Context) (*InfoStat, error) { ret := &InfoStat{ OS: runtime.GOOS, PlatformFamily: "openbsd", } hostname, err := os.Hostname() if err == nil { ret.Hostname = hostname } kernelArch, err := kernelArch() if err == nil { ret.KernelArch = kernelArch } platform, family, version, err := PlatformInformation() if err == nil { ret.Platform = platform ret.PlatformFamily = family ret.PlatformVersion = version } system, role, err := Virtualization() if err == nil { ret.VirtualizationSystem = system ret.VirtualizationRole = role } procs, err := process.Pids() if err == nil { ret.Procs = uint64(len(procs)) } boot, err := BootTime() if err == nil { ret.BootTime = boot ret.Uptime = uptime(boot) } return ret, nil } func PlatformInformation() (string, string, string, error) { return PlatformInformationWithContext(context.Background()) } func PlatformInformationWithContext(ctx context.Context) (string, string, string, error) { platform := "" family := "" version := "" p, err := unix.Sysctl("kern.ostype") if err == nil { platform = strings.ToLower(p) } v, err := unix.Sysctl("kern.osrelease") if err == nil { version = strings.ToLower(v) } return platform, family, version, nil } func Virtualization() (string, string, error) { return VirtualizationWithContext(context.Background()) } func VirtualizationWithContext(ctx context.Context) (string, string, error) { return "", "", common.ErrNotImplementedError } func Users() ([]UserStat, error) { return UsersWithContext(context.Background()) } func UsersWithContext(ctx context.Context) ([]UserStat, error) { var ret []UserStat utmpfile := "/var/run/utmp" file, err := os.Open(utmpfile) if err != nil { return ret, err } defer file.Close() buf, err := ioutil.ReadAll(file) if err != nil { return ret, err } u := Utmp{} entrySize := int(unsafe.Sizeof(u)) count := len(buf) / entrySize for i := 0; i < count; i++ { b := buf[i*entrySize : i*entrySize+entrySize] var u Utmp br := bytes.NewReader(b) err := binary.Read(br, binary.LittleEndian, &u) if err != nil || u.Time == 0 { continue } user := UserStat{ User: common.IntToString(u.Name[:]), Terminal: common.IntToString(u.Line[:]), Host: common.IntToString(u.Host[:]), Started: int(u.Time), } ret = append(ret, user) } return ret, nil } func SensorsTemperatures() ([]TemperatureStat, error) { return SensorsTemperaturesWithContext(context.Background()) } func SensorsTemperaturesWithContext(ctx context.Context) ([]TemperatureStat, error) { return []TemperatureStat{}, common.ErrNotImplementedError } func KernelVersion() (string, error) { return KernelVersionWithContext(context.Background()) } func KernelVersionWithContext(ctx context.Context) (string, error) { _, _, version, err := PlatformInformation() return version, err }