/usr/share/gocode/src/github.com/shirou/gopsutil/host/host_freebsd.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | // +build freebsd
package host
import (
"bytes"
"encoding/binary"
"io/ioutil"
"os"
"os/exec"
"runtime"
"strconv"
"strings"
"sync/atomic"
"time"
"unsafe"
"github.com/shirou/gopsutil/internal/common"
"github.com/shirou/gopsutil/process"
)
const (
UTNameSize = 16 /* see MAXLOGNAME in <sys/param.h> */
UTLineSize = 8
UTHostSize = 16
)
func Info() (*InfoStat, error) {
ret := &InfoStat{
OS: runtime.GOOS,
PlatformFamily: "freebsd",
}
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
ret.KernelVersion = version
}
system, role, err := Virtualization()
if err == nil {
ret.VirtualizationSystem = system
ret.VirtualizationRole = role
}
boot, err := BootTime()
if err == nil {
ret.BootTime = boot
ret.Uptime = uptime(boot)
}
procs, err := process.Pids()
if err == nil {
ret.Procs = uint64(len(procs))
}
values, err := common.DoSysctrl("kern.hostuuid")
if err == nil && len(values) == 1 && values[0] != "" {
ret.HostID = strings.ToLower(values[0])
}
return ret, nil
}
// 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
}
values, err := common.DoSysctrl("kern.boottime")
if err != nil {
return 0, err
}
// ex: { sec = 1392261637, usec = 627534 } Thu Feb 13 12:20:37 2014
v := strings.Replace(values[2], ",", "", 1)
boottime, err := strconv.ParseUint(v, 10, 64)
if err != nil {
return 0, err
}
t = uint64(boottime)
atomic.StoreUint64(&cachedBootTime, t)
return t, nil
}
func uptime(boot uint64) uint64 {
return uint64(time.Now().Unix()) - boot
}
func Uptime() (uint64, error) {
boot, err := BootTime()
if err != nil {
return 0, err
}
return uptime(boot), nil
}
func Users() ([]UserStat, error) {
utmpfile := "/var/run/utx.active"
if !common.PathExists(utmpfile) {
utmpfile = "/var/run/utmp" // before 9.0
return getUsersFromUtmp(utmpfile)
}
var ret []UserStat
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
}
entrySize := sizeOfUtmpx
count := len(buf) / entrySize
for i := 0; i < count; i++ {
b := buf[i*sizeOfUtmpx : (i+1)*sizeOfUtmpx]
var u Utmpx
br := bytes.NewReader(b)
err := binary.Read(br, binary.LittleEndian, &u)
if err != nil || u.Type != 4 {
continue
}
sec := (binary.LittleEndian.Uint32(u.Tv.Sec[:])) / 2 // TODO:
user := UserStat{
User: common.IntToString(u.User[:]),
Terminal: common.IntToString(u.Line[:]),
Host: common.IntToString(u.Host[:]),
Started: int(sec),
}
ret = append(ret, user)
}
return ret, nil
}
func PlatformInformation() (string, string, string, error) {
platform := ""
family := ""
version := ""
uname, err := exec.LookPath("uname")
if err != nil {
return "", "", "", err
}
out, err := invoke.Command(uname, "-s")
if err == nil {
platform = strings.ToLower(strings.TrimSpace(string(out)))
}
out, err = invoke.Command(uname, "-r")
if err == nil {
version = strings.ToLower(strings.TrimSpace(string(out)))
}
return platform, family, version, nil
}
func Virtualization() (string, string, error) {
return "", "", common.ErrNotImplementedError
}
// before 9.0
func getUsersFromUtmp(utmpfile string) ([]UserStat, error) {
var ret []UserStat
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 []TemperatureStat{}, common.ErrNotImplementedError
}
func KernelVersion() (string, error) {
_, _, version, err := PlatformInformation()
return version, err
}
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