Properly vendor the gopsutil dependency

This commit is contained in:
Cameron Sparr 2015-09-17 12:08:10 -07:00
parent dd7a3b37b0
commit df651ab98e
47 changed files with 5152 additions and 0 deletions

35
Godeps/Godeps.json generated
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@ -141,6 +141,41 @@
"ImportPath": "github.com/samuel/go-zookeeper/zk", "ImportPath": "github.com/samuel/go-zookeeper/zk",
"Rev": "5bb5cfc093ad18a28148c578f8632cfdb4d802e4" "Rev": "5bb5cfc093ad18a28148c578f8632cfdb4d802e4"
}, },
{
"ImportPath": "github.com/shirou/gopsutil/common",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/cpu",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/disk",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/docker",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/load",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/mem",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{
"ImportPath": "github.com/shirou/gopsutil/net",
"Comment": "1.0.0-146-g9c0474c",
"Rev": "9c0474c2a7cbea73ea2d93fc5e1ef1c024caf761"
},
{ {
"ImportPath": "github.com/streadway/amqp", "ImportPath": "github.com/streadway/amqp",
"Rev": "f4879ba28fffbb576743b03622a9ff20461826b2" "Rev": "f4879ba28fffbb576743b03622a9ff20461826b2"

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@ -0,0 +1,209 @@
//
// gopsutil is a port of psutil(http://pythonhosted.org/psutil/).
// This covers these architectures.
// - linux (amd64, arm)
// - freebsd (amd64)
// - windows (amd64)
package common
import (
"bufio"
"errors"
"io/ioutil"
"net/url"
"os"
"os/exec"
"path"
"reflect"
"runtime"
"strconv"
"strings"
)
type Invoker interface {
Command(string, ...string) ([]byte, error)
}
type Invoke struct{}
func (i Invoke) Command(name string, arg ...string) ([]byte, error) {
return exec.Command(name, arg...).Output()
}
type FakeInvoke struct {
CommandExpectedDir string // CommandExpectedDir specifies dir which includes expected outputs.
Suffix string // Suffix species expected file name suffix such as "fail"
Error error // If Error specfied, return the error.
}
// Command in FakeInvoke returns from expected file if exists.
func (i FakeInvoke) Command(name string, arg ...string) ([]byte, error) {
if i.Error != nil {
return []byte{}, i.Error
}
arch := runtime.GOOS
fname := strings.Join(append([]string{name}, arg...), "")
fname = url.QueryEscape(fname)
var dir string
if i.CommandExpectedDir == "" {
dir = "expected"
} else {
dir = i.CommandExpectedDir
}
fpath := path.Join(dir, arch, fname)
if i.Suffix != "" {
fpath += "_" + i.Suffix
}
if PathExists(fpath) {
return ioutil.ReadFile(fpath)
} else {
return exec.Command(name, arg...).Output()
}
}
var NotImplementedError = errors.New("not implemented yet")
// ReadLines reads contents from a file and splits them by new lines.
// A convenience wrapper to ReadLinesOffsetN(filename, 0, -1).
func ReadLines(filename string) ([]string, error) {
return ReadLinesOffsetN(filename, 0, -1)
}
// ReadLines reads contents from file and splits them by new line.
// The offset tells at which line number to start.
// The count determines the number of lines to read (starting from offset):
// n >= 0: at most n lines
// n < 0: whole file
func ReadLinesOffsetN(filename string, offset uint, n int) ([]string, error) {
f, err := os.Open(filename)
if err != nil {
return []string{""}, err
}
defer f.Close()
var ret []string
r := bufio.NewReader(f)
for i := 0; i < n+int(offset) || n < 0; i++ {
line, err := r.ReadString('\n')
if err != nil {
break
}
if i < int(offset) {
continue
}
ret = append(ret, strings.Trim(line, "\n"))
}
return ret, nil
}
func IntToString(orig []int8) string {
ret := make([]byte, len(orig))
size := -1
for i, o := range orig {
if o == 0 {
size = i
break
}
ret[i] = byte(o)
}
if size == -1 {
size = len(orig)
}
return string(ret[0:size])
}
func ByteToString(orig []byte) string {
n := -1
l := -1
for i, b := range orig {
// skip left side null
if l == -1 && b == 0 {
continue
}
if l == -1 {
l = i
}
if b == 0 {
break
}
n = i + 1
}
if n == -1 {
return string(orig)
}
return string(orig[l:n])
}
// Parse to int32 without error
func mustParseInt32(val string) int32 {
vv, _ := strconv.ParseInt(val, 10, 32)
return int32(vv)
}
// Parse to uint64 without error
func mustParseUint64(val string) uint64 {
vv, _ := strconv.ParseInt(val, 10, 64)
return uint64(vv)
}
// Parse to Float64 without error
func mustParseFloat64(val string) float64 {
vv, _ := strconv.ParseFloat(val, 64)
return vv
}
// StringsHas checks the target string slice containes src or not
func StringsHas(target []string, src string) bool {
for _, t := range target {
if strings.TrimSpace(t) == src {
return true
}
}
return false
}
// StringsContains checks the src in any string of the target string slice
func StringsContains(target []string, src string) bool {
for _, t := range target {
if strings.Contains(t, src) {
return true
}
}
return false
}
// get struct attributes.
// This method is used only for debugging platform dependent code.
func attributes(m interface{}) map[string]reflect.Type {
typ := reflect.TypeOf(m)
if typ.Kind() == reflect.Ptr {
typ = typ.Elem()
}
attrs := make(map[string]reflect.Type)
if typ.Kind() != reflect.Struct {
return nil
}
for i := 0; i < typ.NumField(); i++ {
p := typ.Field(i)
if !p.Anonymous {
attrs[p.Name] = p.Type
}
}
return attrs
}
func PathExists(filename string) bool {
if _, err := os.Stat(filename); err == nil {
return true
}
return false
}

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@ -0,0 +1,89 @@
// +build darwin
package common
import (
"os/exec"
"strconv"
"strings"
"syscall"
"unsafe"
)
func DoSysctrl(mib string) ([]string, error) {
out, err := exec.Command("/usr/sbin/sysctl", "-n", mib).Output()
if err != nil {
return []string{}, err
}
v := strings.Replace(string(out), "{ ", "", 1)
v = strings.Replace(string(v), " }", "", 1)
values := strings.Fields(string(v))
return values, nil
}
func CallSyscall(mib []int32) ([]byte, uint64, error) {
miblen := uint64(len(mib))
// get required buffer size
length := uint64(0)
_, _, err := syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(unsafe.Pointer(&mib[0])),
uintptr(miblen),
0,
uintptr(unsafe.Pointer(&length)),
0,
0)
if err != 0 {
var b []byte
return b, length, err
}
if length == 0 {
var b []byte
return b, length, err
}
// get proc info itself
buf := make([]byte, length)
_, _, err = syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(unsafe.Pointer(&mib[0])),
uintptr(miblen),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&length)),
0,
0)
if err != 0 {
return buf, length, err
}
return buf, length, nil
}
func CallLsof(invoke Invoker, pid int32, args ...string) ([]string, error) {
var cmd []string
if pid == 0 { // will get from all processes.
cmd = []string{"-a", "-n", "-P"}
} else {
cmd = []string{"-a", "-n", "-P", "-p", strconv.Itoa(int(pid))}
}
cmd = append(cmd, args...)
lsof, err := exec.LookPath("lsof")
if err != nil {
return []string{}, err
}
out, err := invoke.Command(lsof, cmd...)
if err != nil {
return []string{}, err
}
lines := strings.Split(string(out), "\n")
var ret []string
for _, l := range lines[1:] {
if len(l) == 0 {
continue
}
ret = append(ret, l)
}
return ret, nil
}

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@ -0,0 +1,61 @@
// +build freebsd
package common
import (
"syscall"
"os/exec"
"strings"
"unsafe"
)
func DoSysctrl(mib string) ([]string, error) {
out, err := exec.Command("/sbin/sysctl", "-n", mib).Output()
if err != nil {
return []string{}, err
}
v := strings.Replace(string(out), "{ ", "", 1)
v = strings.Replace(string(v), " }", "", 1)
values := strings.Fields(string(v))
return values, nil
}
func CallSyscall(mib []int32) ([]byte, uint64, error) {
miblen := uint64(len(mib))
// get required buffer size
length := uint64(0)
_, _, err := syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(unsafe.Pointer(&mib[0])),
uintptr(miblen),
0,
uintptr(unsafe.Pointer(&length)),
0,
0)
if err != 0 {
var b []byte
return b, length, err
}
if length == 0 {
var b []byte
return b, length, err
}
// get proc info itself
buf := make([]byte, length)
_, _, err = syscall.Syscall6(
syscall.SYS___SYSCTL,
uintptr(unsafe.Pointer(&mib[0])),
uintptr(miblen),
uintptr(unsafe.Pointer(&buf[0])),
uintptr(unsafe.Pointer(&length)),
0,
0)
if err != 0 {
return buf, length, err
}
return buf, length, nil
}

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@ -0,0 +1,37 @@
// +build linux
package common
import (
"os/exec"
"strconv"
"strings"
)
func CallLsof(invoke Invoker, pid int32, args ...string) ([]string, error) {
var cmd []string
if pid == 0 { // will get from all processes.
cmd = []string{"-a", "-n", "-P"}
} else {
cmd = []string{"-a", "-n", "-P", "-p", strconv.Itoa(int(pid))}
}
cmd = append(cmd, args...)
lsof, err := exec.LookPath("lsof")
if err != nil {
return []string{}, err
}
out, err := invoke.Command(lsof, cmd...)
if err != nil {
return []string{}, err
}
lines := strings.Split(string(out), "\n")
var ret []string
for _, l := range lines[1:] {
if len(l) == 0 {
continue
}
ret = append(ret, l)
}
return ret, nil
}

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@ -0,0 +1,90 @@
package common
import (
"fmt"
"strings"
"testing"
)
func TestReadlines(t *testing.T) {
ret, err := ReadLines("common_test.go")
if err != nil {
t.Error(err)
}
if !strings.Contains(ret[0], "package common") {
t.Error("could not read correctly")
}
}
func TestReadLinesOffsetN(t *testing.T) {
ret, err := ReadLinesOffsetN("common_test.go", 2, 1)
if err != nil {
t.Error(err)
}
fmt.Println(ret[0])
if !strings.Contains(ret[0], `import (`) {
t.Error("could not read correctly")
}
}
func TestIntToString(t *testing.T) {
src := []int8{65, 66, 67}
dst := IntToString(src)
if dst != "ABC" {
t.Error("could not convert")
}
}
func TestByteToString(t *testing.T) {
src := []byte{65, 66, 67}
dst := ByteToString(src)
if dst != "ABC" {
t.Error("could not convert")
}
src = []byte{0, 65, 66, 67}
dst = ByteToString(src)
if dst != "ABC" {
t.Error("could not convert")
}
}
func TestmustParseInt32(t *testing.T) {
ret := mustParseInt32("11111")
if ret != int32(11111) {
t.Error("could not parse")
}
}
func TestmustParseUint64(t *testing.T) {
ret := mustParseUint64("11111")
if ret != uint64(11111) {
t.Error("could not parse")
}
}
func TestmustParseFloat64(t *testing.T) {
ret := mustParseFloat64("11111.11")
if ret != float64(11111.11) {
t.Error("could not parse")
}
ret = mustParseFloat64("11111")
if ret != float64(11111) {
t.Error("could not parse")
}
}
func TestStringsContains(t *testing.T) {
target, err := ReadLines("common_test.go")
if err != nil {
t.Error(err)
}
if !StringsContains(target, "func TestStringsContains(t *testing.T) {") {
t.Error("cloud not test correctly")
}
}
func TestPathExists(t *testing.T) {
if !PathExists("common_test.go") {
t.Error("exists but return not exists")
}
if PathExists("should_not_exists.go") {
t.Error("not exists but return exists")
}
}

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// +build windows
package common
import (
"syscall"
"unsafe"
)
// for double values
type PDH_FMT_COUNTERVALUE_DOUBLE struct {
CStatus uint32
DoubleValue float64
}
// for 64 bit integer values
type PDH_FMT_COUNTERVALUE_LARGE struct {
CStatus uint32
LargeValue int64
}
// for long values
type PDH_FMT_COUNTERVALUE_LONG struct {
CStatus uint32
LongValue int32
padding [4]byte
}
// windows system const
const (
ERROR_SUCCESS = 0
ERROR_FILE_NOT_FOUND = 2
DRIVE_REMOVABLE = 2
DRIVE_FIXED = 3
HKEY_LOCAL_MACHINE = 0x80000002
RRF_RT_REG_SZ = 0x00000002
RRF_RT_REG_DWORD = 0x00000010
PDH_FMT_LONG = 0x00000100
PDH_FMT_DOUBLE = 0x00000200
PDH_FMT_LARGE = 0x00000400
PDH_INVALID_DATA = 0xc0000bc6
PDH_INVALID_HANDLE = 0xC0000bbc
PDH_NO_DATA = 0x800007d5
)
var (
Modkernel32 = syscall.NewLazyDLL("kernel32.dll")
ModNt = syscall.NewLazyDLL("ntdll.dll")
ModPdh = syscall.NewLazyDLL("pdh.dll")
ProcGetSystemTimes = Modkernel32.NewProc("GetSystemTimes")
ProcNtQuerySystemInformation = ModNt.NewProc("NtQuerySystemInformation")
PdhOpenQuery = ModPdh.NewProc("PdhOpenQuery")
PdhAddCounter = ModPdh.NewProc("PdhAddCounterW")
PdhCollectQueryData = ModPdh.NewProc("PdhCollectQueryData")
PdhGetFormattedCounterValue = ModPdh.NewProc("PdhGetFormattedCounterValue")
PdhCloseQuery = ModPdh.NewProc("PdhCloseQuery")
)
type FILETIME struct {
DwLowDateTime uint32
DwHighDateTime uint32
}
// borrowed from net/interface_windows.go
func BytePtrToString(p *uint8) string {
a := (*[10000]uint8)(unsafe.Pointer(p))
i := 0
for a[i] != 0 {
i++
}
return string(a[:i])
}
// CounterInfo
// copied from https://github.com/mackerelio/mackerel-agent/
type CounterInfo struct {
PostName string
CounterName string
Counter syscall.Handle
}
// CreateQuery XXX
// copied from https://github.com/mackerelio/mackerel-agent/
func CreateQuery() (syscall.Handle, error) {
var query syscall.Handle
r, _, err := PdhOpenQuery.Call(0, 0, uintptr(unsafe.Pointer(&query)))
if r != 0 {
return 0, err
}
return query, nil
}
// CreateCounter XXX
func CreateCounter(query syscall.Handle, pname, cname string) (*CounterInfo, error) {
var counter syscall.Handle
r, _, err := PdhAddCounter.Call(
uintptr(query),
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(cname))),
0,
uintptr(unsafe.Pointer(&counter)))
if r != 0 {
return nil, err
}
return &CounterInfo{
PostName: pname,
CounterName: cname,
Counter: counter,
}, nil
}

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package cpu
import (
"encoding/json"
"runtime"
"strconv"
"strings"
)
type CPUTimesStat struct {
CPU string `json:"cpu"`
User float64 `json:"user"`
System float64 `json:"system"`
Idle float64 `json:"idle"`
Nice float64 `json:"nice"`
Iowait float64 `json:"iowait"`
Irq float64 `json:"irq"`
Softirq float64 `json:"softirq"`
Steal float64 `json:"steal"`
Guest float64 `json:"guest"`
GuestNice float64 `json:"guest_nice"`
Stolen float64 `json:"stolen"`
}
type CPUInfoStat struct {
CPU int32 `json:"cpu"`
VendorID string `json:"vendor_id"`
Family string `json:"family"`
Model string `json:"model"`
Stepping int32 `json:"stepping"`
PhysicalID string `json:"physical_id"`
CoreID string `json:"core_id"`
Cores int32 `json:"cores"`
ModelName string `json:"model_name"`
Mhz float64 `json:"mhz"`
CacheSize int32 `json:"cache_size"`
Flags []string `json:"flags"`
}
var lastCPUTimes []CPUTimesStat
var lastPerCPUTimes []CPUTimesStat
func CPUCounts(logical bool) (int, error) {
return runtime.NumCPU(), nil
}
func (c CPUTimesStat) String() string {
v := []string{
`"cpu":"` + c.CPU + `"`,
`"user":` + strconv.FormatFloat(c.User, 'f', 1, 64),
`"system":` + strconv.FormatFloat(c.System, 'f', 1, 64),
`"idle":` + strconv.FormatFloat(c.Idle, 'f', 1, 64),
`"nice":` + strconv.FormatFloat(c.Nice, 'f', 1, 64),
`"iowait":` + strconv.FormatFloat(c.Iowait, 'f', 1, 64),
`"irq":` + strconv.FormatFloat(c.Irq, 'f', 1, 64),
`"softirq":` + strconv.FormatFloat(c.Softirq, 'f', 1, 64),
`"steal":` + strconv.FormatFloat(c.Steal, 'f', 1, 64),
`"guest":` + strconv.FormatFloat(c.Guest, 'f', 1, 64),
`"guest_nice":` + strconv.FormatFloat(c.GuestNice, 'f', 1, 64),
`"stolen":` + strconv.FormatFloat(c.Stolen, 'f', 1, 64),
}
return `{` + strings.Join(v, ",") + `}`
}
func (c CPUInfoStat) String() string {
s, _ := json.Marshal(c)
return string(s)
}
func init() {
lastCPUTimes, _ = CPUTimes(false)
lastPerCPUTimes, _ = CPUTimes(true)
}

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// +build darwin
package cpu
/*
#include <stdlib.h>
#include <sys/sysctl.h>
#include <sys/mount.h>
#include <mach/mach_init.h>
#include <mach/mach_host.h>
#include <mach/host_info.h>
#include <libproc.h>
#include <mach/processor_info.h>
#include <mach/vm_map.h>
*/
import "C"
import (
"bytes"
"encoding/binary"
"fmt"
"os/exec"
"strconv"
"strings"
"unsafe"
)
// sys/resource.h
const (
CPUser = 0
CPNice = 1
CPSys = 2
CPIntr = 3
CPIdle = 4
CPUStates = 5
)
// default value. from time.h
var ClocksPerSec = float64(128)
// these CPU times for darwin is borrowed from influxdb/telegraf.
func perCPUTimes() ([]CPUTimesStat, error) {
var (
count C.mach_msg_type_number_t
cpuload *C.processor_cpu_load_info_data_t
ncpu C.natural_t
)
status := C.host_processor_info(C.host_t(C.mach_host_self()),
C.PROCESSOR_CPU_LOAD_INFO,
&ncpu,
(*C.processor_info_array_t)(unsafe.Pointer(&cpuload)),
&count)
if status != C.KERN_SUCCESS {
return nil, fmt.Errorf("host_processor_info error=%d", status)
}
// jump through some cgo casting hoops and ensure we properly free
// the memory that cpuload points to
target := C.vm_map_t(C.mach_task_self_)
address := C.vm_address_t(uintptr(unsafe.Pointer(cpuload)))
defer C.vm_deallocate(target, address, C.vm_size_t(ncpu))
// the body of struct processor_cpu_load_info
// aka processor_cpu_load_info_data_t
var cpu_ticks [C.CPU_STATE_MAX]uint32
// copy the cpuload array to a []byte buffer
// where we can binary.Read the data
size := int(ncpu) * binary.Size(cpu_ticks)
buf := C.GoBytes(unsafe.Pointer(cpuload), C.int(size))
bbuf := bytes.NewBuffer(buf)
var ret []CPUTimesStat
for i := 0; i < int(ncpu); i++ {
err := binary.Read(bbuf, binary.LittleEndian, &cpu_ticks)
if err != nil {
return nil, err
}
c := CPUTimesStat{
CPU: fmt.Sprintf("cpu%d", i),
User: float64(cpu_ticks[C.CPU_STATE_USER]) / ClocksPerSec,
System: float64(cpu_ticks[C.CPU_STATE_SYSTEM]) / ClocksPerSec,
Nice: float64(cpu_ticks[C.CPU_STATE_NICE]) / ClocksPerSec,
Idle: float64(cpu_ticks[C.CPU_STATE_IDLE]) / ClocksPerSec,
}
ret = append(ret, c)
}
return ret, nil
}
func allCPUTimes() ([]CPUTimesStat, error) {
var count C.mach_msg_type_number_t = C.HOST_CPU_LOAD_INFO_COUNT
var cpuload C.host_cpu_load_info_data_t
status := C.host_statistics(C.host_t(C.mach_host_self()),
C.HOST_CPU_LOAD_INFO,
C.host_info_t(unsafe.Pointer(&cpuload)),
&count)
if status != C.KERN_SUCCESS {
return nil, fmt.Errorf("host_statistics error=%d", status)
}
c := CPUTimesStat{
CPU: "cpu-total",
User: float64(cpuload.cpu_ticks[C.CPU_STATE_USER]) / ClocksPerSec,
System: float64(cpuload.cpu_ticks[C.CPU_STATE_SYSTEM]) / ClocksPerSec,
Nice: float64(cpuload.cpu_ticks[C.CPU_STATE_NICE]) / ClocksPerSec,
Idle: float64(cpuload.cpu_ticks[C.CPU_STATE_IDLE]) / ClocksPerSec,
}
return []CPUTimesStat{c}, nil
}
func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
if percpu {
return perCPUTimes()
}
return allCPUTimes()
}
// Returns only one CPUInfoStat on FreeBSD
func CPUInfo() ([]CPUInfoStat, error) {
var ret []CPUInfoStat
out, err := exec.Command("/usr/sbin/sysctl", "machdep.cpu").Output()
if err != nil {
return ret, err
}
c := CPUInfoStat{}
for _, line := range strings.Split(string(out), "\n") {
values := strings.Fields(line)
if len(values) < 1 {
continue
}
t, err := strconv.ParseInt(values[1], 10, 64)
// err is not checked here because some value is string.
if strings.HasPrefix(line, "machdep.cpu.brand_string") {
c.ModelName = strings.Join(values[1:], " ")
} else if strings.HasPrefix(line, "machdep.cpu.family") {
c.Family = values[1]
} else if strings.HasPrefix(line, "machdep.cpu.model") {
c.Model = values[1]
} else if strings.HasPrefix(line, "machdep.cpu.stepping") {
if err != nil {
return ret, err
}
c.Stepping = int32(t)
} else if strings.HasPrefix(line, "machdep.cpu.features") {
for _, v := range values[1:] {
c.Flags = append(c.Flags, strings.ToLower(v))
}
} else if strings.HasPrefix(line, "machdep.cpu.leaf7_features") {
for _, v := range values[1:] {
c.Flags = append(c.Flags, strings.ToLower(v))
}
} else if strings.HasPrefix(line, "machdep.cpu.extfeatures") {
for _, v := range values[1:] {
c.Flags = append(c.Flags, strings.ToLower(v))
}
} else if strings.HasPrefix(line, "machdep.cpu.core_count") {
if err != nil {
return ret, err
}
c.Cores = int32(t)
} else if strings.HasPrefix(line, "machdep.cpu.cache.size") {
if err != nil {
return ret, err
}
c.CacheSize = int32(t)
} else if strings.HasPrefix(line, "machdep.cpu.vendor") {
c.VendorID = values[1]
}
}
// Use the rated frequency of the CPU. This is a static value and does not
// account for low power or Turbo Boost modes.
out, err = exec.Command("/usr/sbin/sysctl", "hw.cpufrequency").Output()
if err != nil {
return ret, err
}
values := strings.Fields(string(out))
mhz, err := strconv.ParseFloat(values[1], 64)
if err != nil {
return ret, err
}
c.Mhz = mhz / 1000000.0
return append(ret, c), nil
}

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// +build freebsd
package cpu
import (
"fmt"
"os/exec"
"regexp"
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
)
// sys/resource.h
const (
CPUser = 0
CPNice = 1
CPSys = 2
CPIntr = 3
CPIdle = 4
CPUStates = 5
)
var ClocksPerSec = float64(128)
func init() {
out, err := exec.Command("/usr/bin/getconf", "CLK_TCK").Output()
// ignore errors
if err == nil {
i, err := strconv.ParseFloat(strings.TrimSpace(string(out)), 64)
if err == nil {
ClocksPerSec = float64(i)
}
}
}
func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
var ret []CPUTimesStat
var sysctlCall string
var ncpu int
if percpu {
sysctlCall = "kern.cp_times"
ncpu, _ = CPUCounts(true)
} else {
sysctlCall = "kern.cp_time"
ncpu = 1
}
cpuTimes, err := common.DoSysctrl(sysctlCall)
if err != nil {
return ret, err
}
for i := 0; i < ncpu; i++ {
offset := CPUStates * i
user, err := strconv.ParseFloat(cpuTimes[CPUser+offset], 64)
if err != nil {
return ret, err
}
nice, err := strconv.ParseFloat(cpuTimes[CPNice+offset], 64)
if err != nil {
return ret, err
}
sys, err := strconv.ParseFloat(cpuTimes[CPSys+offset], 64)
if err != nil {
return ret, err
}
idle, err := strconv.ParseFloat(cpuTimes[CPIdle+offset], 64)
if err != nil {
return ret, err
}
intr, err := strconv.ParseFloat(cpuTimes[CPIntr+offset], 64)
if err != nil {
return ret, err
}
c := CPUTimesStat{
User: float64(user / ClocksPerSec),
Nice: float64(nice / ClocksPerSec),
System: float64(sys / ClocksPerSec),
Idle: float64(idle / ClocksPerSec),
Irq: float64(intr / ClocksPerSec),
}
if !percpu {
c.CPU = "cpu-total"
} else {
c.CPU = fmt.Sprintf("cpu%d", i)
}
ret = append(ret, c)
}
return ret, nil
}
// Returns only one CPUInfoStat on FreeBSD
func CPUInfo() ([]CPUInfoStat, error) {
filename := "/var/run/dmesg.boot"
lines, _ := common.ReadLines(filename)
var ret []CPUInfoStat
c := CPUInfoStat{}
for _, line := range lines {
if matches := regexp.MustCompile(`CPU:\s+(.+) \(([\d.]+).+\)`).FindStringSubmatch(line); matches != nil {
c.ModelName = matches[1]
t, err := strconv.ParseFloat(matches[2], 64)
if err != nil {
return ret, nil
}
c.Mhz = t
} else if matches := regexp.MustCompile(`Origin = "(.+)" Id = (.+) Family = (.+) Model = (.+) Stepping = (.+)`).FindStringSubmatch(line); matches != nil {
c.VendorID = matches[1]
c.Family = matches[3]
c.Model = matches[4]
t, err := strconv.ParseInt(matches[5], 10, 32)
if err != nil {
return ret, nil
}
c.Stepping = int32(t)
} else if matches := regexp.MustCompile(`Features=.+<(.+)>`).FindStringSubmatch(line); matches != nil {
for _, v := range strings.Split(matches[1], ",") {
c.Flags = append(c.Flags, strings.ToLower(v))
}
} else if matches := regexp.MustCompile(`Features2=[a-f\dx]+<(.+)>`).FindStringSubmatch(line); matches != nil {
for _, v := range strings.Split(matches[1], ",") {
c.Flags = append(c.Flags, strings.ToLower(v))
}
} else if matches := regexp.MustCompile(`Logical CPUs per core: (\d+)`).FindStringSubmatch(line); matches != nil {
// FIXME: no this line?
t, err := strconv.ParseInt(matches[1], 10, 32)
if err != nil {
return ret, nil
}
c.Cores = int32(t)
}
}
return append(ret, c), nil
}

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// +build linux
package cpu
import (
"errors"
"os/exec"
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
)
var cpu_tick = float64(100)
func init() {
out, err := exec.Command("/usr/bin/getconf", "CLK_TCK").Output()
// ignore errors
if err == nil {
i, err := strconv.ParseFloat(strings.TrimSpace(string(out)), 64)
if err == nil {
cpu_tick = float64(i)
}
}
}
func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
filename := "/proc/stat"
var lines = []string{}
if percpu {
var startIdx uint = 1
for {
linen, _ := common.ReadLinesOffsetN(filename, startIdx, 1)
line := linen[0]
if !strings.HasPrefix(line, "cpu") {
break
}
lines = append(lines, line)
startIdx += 1
}
} else {
lines, _ = common.ReadLinesOffsetN(filename, 0, 1)
}
ret := make([]CPUTimesStat, 0, len(lines))
for _, line := range lines {
ct, err := parseStatLine(line)
if err != nil {
continue
}
ret = append(ret, *ct)
}
return ret, nil
}
func CPUInfo() ([]CPUInfoStat, error) {
filename := "/proc/cpuinfo"
lines, _ := common.ReadLines(filename)
var ret []CPUInfoStat
var c CPUInfoStat
for _, line := range lines {
fields := strings.Split(line, ":")
if len(fields) < 2 {
if c.VendorID != "" {
ret = append(ret, c)
}
continue
}
key := strings.TrimSpace(fields[0])
value := strings.TrimSpace(fields[1])
switch key {
case "processor":
c = CPUInfoStat{}
t, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return ret, err
}
c.CPU = int32(t)
case "vendor_id":
c.VendorID = value
case "cpu family":
c.Family = value
case "model":
c.Model = value
case "model name":
c.ModelName = value
case "stepping":
t, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return ret, err
}
c.Stepping = int32(t)
case "cpu MHz":
t, err := strconv.ParseFloat(value, 64)
if err != nil {
return ret, err
}
c.Mhz = t
case "cache size":
t, err := strconv.ParseInt(strings.Replace(value, " KB", "", 1), 10, 64)
if err != nil {
return ret, err
}
c.CacheSize = int32(t)
case "physical id":
c.PhysicalID = value
case "core id":
c.CoreID = value
case "cpu cores":
t, err := strconv.ParseInt(value, 10, 64)
if err != nil {
return ret, err
}
c.Cores = int32(t)
case "flags":
c.Flags = strings.Split(value, ",")
}
}
return ret, nil
}
func parseStatLine(line string) (*CPUTimesStat, error) {
fields := strings.Fields(line)
if strings.HasPrefix(fields[0], "cpu") == false {
// return CPUTimesStat{}, e
return nil, errors.New("not contain cpu")
}
cpu := fields[0]
if cpu == "cpu" {
cpu = "cpu-total"
}
user, err := strconv.ParseFloat(fields[1], 64)
if err != nil {
return nil, err
}
nice, err := strconv.ParseFloat(fields[2], 64)
if err != nil {
return nil, err
}
system, err := strconv.ParseFloat(fields[3], 64)
if err != nil {
return nil, err
}
idle, err := strconv.ParseFloat(fields[4], 64)
if err != nil {
return nil, err
}
iowait, err := strconv.ParseFloat(fields[5], 64)
if err != nil {
return nil, err
}
irq, err := strconv.ParseFloat(fields[6], 64)
if err != nil {
return nil, err
}
softirq, err := strconv.ParseFloat(fields[7], 64)
if err != nil {
return nil, err
}
ct := &CPUTimesStat{
CPU: cpu,
User: float64(user) / cpu_tick,
Nice: float64(nice) / cpu_tick,
System: float64(system) / cpu_tick,
Idle: float64(idle) / cpu_tick,
Iowait: float64(iowait) / cpu_tick,
Irq: float64(irq) / cpu_tick,
Softirq: float64(softirq) / cpu_tick,
}
if len(fields) > 8 { // Linux >= 2.6.11
steal, err := strconv.ParseFloat(fields[8], 64)
if err != nil {
return nil, err
}
ct.Steal = float64(steal) / cpu_tick
}
if len(fields) > 9 { // Linux >= 2.6.24
guest, err := strconv.ParseFloat(fields[9], 64)
if err != nil {
return nil, err
}
ct.Guest = float64(guest) / cpu_tick
}
if len(fields) > 10 { // Linux >= 3.2.0
guestNice, err := strconv.ParseFloat(fields[10], 64)
if err != nil {
return nil, err
}
ct.GuestNice = float64(guestNice) / cpu_tick
}
return ct, nil
}

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package cpu
import (
"fmt"
"runtime"
"testing"
"time"
)
func TestCpu_times(t *testing.T) {
v, err := CPUTimes(false)
if err != nil {
t.Errorf("error %v", err)
}
if len(v) == 0 {
t.Error("could not get CPUs ", err)
}
empty := CPUTimesStat{}
for _, vv := range v {
if vv == empty {
t.Errorf("could not get CPU User: %v", vv)
}
}
}
func TestCpu_counts(t *testing.T) {
v, err := CPUCounts(true)
if err != nil {
t.Errorf("error %v", err)
}
if v == 0 {
t.Errorf("could not get CPU counts: %v", v)
}
}
func TestCPUTimeStat_String(t *testing.T) {
v := CPUTimesStat{
CPU: "cpu0",
User: 100.1,
System: 200.1,
Idle: 300.1,
}
e := `{"cpu":"cpu0","user":100.1,"system":200.1,"idle":300.1,"nice":0.0,"iowait":0.0,"irq":0.0,"softirq":0.0,"steal":0.0,"guest":0.0,"guest_nice":0.0,"stolen":0.0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("CPUTimesStat string is invalid: %v", v)
}
}
func TestCpuInfo(t *testing.T) {
v, err := CPUInfo()
if err != nil {
t.Errorf("error %v", err)
}
if len(v) == 0 {
t.Errorf("could not get CPU Info")
}
for _, vv := range v {
if vv.ModelName == "" {
t.Errorf("could not get CPU Info: %v", vv)
}
}
}
func testCPUPercent(t *testing.T, percpu bool) {
numcpu := runtime.NumCPU()
testCount := 3
if runtime.GOOS != "windows" {
testCount = 100
v, err := CPUPercent(time.Millisecond, percpu)
if err != nil {
t.Errorf("error %v", err)
}
if (percpu && len(v) != numcpu) || (!percpu && len(v) != 1) {
t.Fatalf("wrong number of entries from CPUPercent: %v", v)
}
}
for i := 0; i < testCount; i++ {
duration := time.Duration(10) * time.Microsecond
v, err := CPUPercent(duration, percpu)
if err != nil {
t.Errorf("error %v", err)
}
for _, percent := range v {
if percent < 0.0 || percent > 100.0*float64(numcpu) {
t.Fatalf("CPUPercent value is invalid: %f", percent)
}
}
}
}
func TestCPUPercent(t *testing.T) {
testCPUPercent(t, false)
}
func TestCPUPercentPerCpu(t *testing.T) {
testCPUPercent(t, true)
}

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// +build linux freebsd darwin
package cpu
import "time"
func init() {
lastCPUTimes, _ = CPUTimes(false)
lastPerCPUTimes, _ = CPUTimes(true)
}
func CPUPercent(interval time.Duration, percpu bool) ([]float64, error) {
getAllBusy := func(t CPUTimesStat) (float64, float64) {
busy := t.User + t.System + t.Nice + t.Iowait + t.Irq +
t.Softirq + t.Steal + t.Guest + t.GuestNice + t.Stolen
return busy + t.Idle, busy
}
calculate := func(t1, t2 CPUTimesStat) float64 {
t1All, t1Busy := getAllBusy(t1)
t2All, t2Busy := getAllBusy(t2)
if t2Busy <= t1Busy {
return 0
}
if t2All <= t1All {
return 1
}
return (t2Busy - t1Busy) / (t2All - t1All) * 100
}
cpuTimes, err := CPUTimes(percpu)
if err != nil {
return nil, err
}
if interval > 0 {
if !percpu {
lastCPUTimes = cpuTimes
} else {
lastPerCPUTimes = cpuTimes
}
time.Sleep(interval)
cpuTimes, err = CPUTimes(percpu)
if err != nil {
return nil, err
}
}
ret := make([]float64, len(cpuTimes))
if !percpu {
ret[0] = calculate(lastCPUTimes[0], cpuTimes[0])
lastCPUTimes = cpuTimes
} else {
for i, t := range cpuTimes {
ret[i] = calculate(lastPerCPUTimes[i], t)
}
lastPerCPUTimes = cpuTimes
}
return ret, nil
}

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// +build windows
package cpu
import (
"fmt"
"syscall"
"time"
"unsafe"
"github.com/StackExchange/wmi"
common "github.com/shirou/gopsutil/common"
)
type Win32_Processor struct {
LoadPercentage *uint16
Family uint16
Manufacturer string
Name string
NumberOfLogicalProcessors uint32
ProcessorId *string
Stepping *string
MaxClockSpeed uint32
}
// TODO: Get percpu
func CPUTimes(percpu bool) ([]CPUTimesStat, error) {
var ret []CPUTimesStat
var lpIdleTime common.FILETIME
var lpKernelTime common.FILETIME
var lpUserTime common.FILETIME
r, _, _ := common.ProcGetSystemTimes.Call(
uintptr(unsafe.Pointer(&lpIdleTime)),
uintptr(unsafe.Pointer(&lpKernelTime)),
uintptr(unsafe.Pointer(&lpUserTime)))
if r == 0 {
return ret, syscall.GetLastError()
}
LOT := float64(0.0000001)
HIT := (LOT * 4294967296.0)
idle := ((HIT * float64(lpIdleTime.DwHighDateTime)) + (LOT * float64(lpIdleTime.DwLowDateTime)))
user := ((HIT * float64(lpUserTime.DwHighDateTime)) + (LOT * float64(lpUserTime.DwLowDateTime)))
kernel := ((HIT * float64(lpKernelTime.DwHighDateTime)) + (LOT * float64(lpKernelTime.DwLowDateTime)))
system := (kernel - idle)
ret = append(ret, CPUTimesStat{
Idle: float64(idle),
User: float64(user),
System: float64(system),
})
return ret, nil
}
func CPUInfo() ([]CPUInfoStat, error) {
var ret []CPUInfoStat
var dst []Win32_Processor
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return ret, err
}
var procID string
for i, l := range dst {
procID = ""
if l.ProcessorId != nil {
procID = *l.ProcessorId
}
cpu := CPUInfoStat{
CPU: int32(i),
Family: fmt.Sprintf("%d", l.Family),
VendorID: l.Manufacturer,
ModelName: l.Name,
Cores: int32(l.NumberOfLogicalProcessors),
PhysicalID: procID,
Mhz: float64(l.MaxClockSpeed),
Flags: []string{},
}
ret = append(ret, cpu)
}
return ret, nil
}
func CPUPercent(interval time.Duration, percpu bool) ([]float64, error) {
var ret []float64
var dst []Win32_Processor
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return ret, err
}
for _, l := range dst {
// use range but windows can only get one percent.
if l.LoadPercentage == nil {
continue
}
ret = append(ret, float64(*l.LoadPercentage))
}
return ret, nil
}

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@ -0,0 +1,634 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package binary implements simple translation between numbers and byte
// sequences and encoding and decoding of varints.
//
// Numbers are translated by reading and writing fixed-size values.
// A fixed-size value is either a fixed-size arithmetic
// type (int8, uint8, int16, float32, complex64, ...)
// or an array or struct containing only fixed-size values.
//
// The varint functions encode and decode single integer values using
// a variable-length encoding; smaller values require fewer bytes.
// For a specification, see
// http://code.google.com/apis/protocolbuffers/docs/encoding.html.
//
// This package favors simplicity over efficiency. Clients that require
// high-performance serialization, especially for large data structures,
// should look at more advanced solutions such as the encoding/gob
// package or protocol buffers.
package disk
import (
"errors"
"io"
"math"
"reflect"
)
// A ByteOrder specifies how to convert byte sequences into
// 16-, 32-, or 64-bit unsigned integers.
type ByteOrder interface {
Uint16([]byte) uint16
Uint32([]byte) uint32
Uint64([]byte) uint64
PutUint16([]byte, uint16)
PutUint32([]byte, uint32)
PutUint64([]byte, uint64)
String() string
}
// LittleEndian is the little-endian implementation of ByteOrder.
var LittleEndian littleEndian
// BigEndian is the big-endian implementation of ByteOrder.
var BigEndian bigEndian
type littleEndian struct{}
func (littleEndian) Uint16(b []byte) uint16 { return uint16(b[0]) | uint16(b[1])<<8 }
func (littleEndian) PutUint16(b []byte, v uint16) {
b[0] = byte(v)
b[1] = byte(v >> 8)
}
func (littleEndian) Uint32(b []byte) uint32 {
return uint32(b[0]) | uint32(b[1])<<8 | uint32(b[2])<<16 | uint32(b[3])<<24
}
func (littleEndian) PutUint32(b []byte, v uint32) {
b[0] = byte(v)
b[1] = byte(v >> 8)
b[2] = byte(v >> 16)
b[3] = byte(v >> 24)
}
func (littleEndian) Uint64(b []byte) uint64 {
return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
}
func (littleEndian) PutUint64(b []byte, v uint64) {
b[0] = byte(v)
b[1] = byte(v >> 8)
b[2] = byte(v >> 16)
b[3] = byte(v >> 24)
b[4] = byte(v >> 32)
b[5] = byte(v >> 40)
b[6] = byte(v >> 48)
b[7] = byte(v >> 56)
}
func (littleEndian) String() string { return "LittleEndian" }
func (littleEndian) GoString() string { return "binary.LittleEndian" }
type bigEndian struct{}
func (bigEndian) Uint16(b []byte) uint16 { return uint16(b[1]) | uint16(b[0])<<8 }
func (bigEndian) PutUint16(b []byte, v uint16) {
b[0] = byte(v >> 8)
b[1] = byte(v)
}
func (bigEndian) Uint32(b []byte) uint32 {
return uint32(b[3]) | uint32(b[2])<<8 | uint32(b[1])<<16 | uint32(b[0])<<24
}
func (bigEndian) PutUint32(b []byte, v uint32) {
b[0] = byte(v >> 24)
b[1] = byte(v >> 16)
b[2] = byte(v >> 8)
b[3] = byte(v)
}
func (bigEndian) Uint64(b []byte) uint64 {
return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
}
func (bigEndian) PutUint64(b []byte, v uint64) {
b[0] = byte(v >> 56)
b[1] = byte(v >> 48)
b[2] = byte(v >> 40)
b[3] = byte(v >> 32)
b[4] = byte(v >> 24)
b[5] = byte(v >> 16)
b[6] = byte(v >> 8)
b[7] = byte(v)
}
func (bigEndian) String() string { return "BigEndian" }
func (bigEndian) GoString() string { return "binary.BigEndian" }
// Read reads structured binary data from r into data.
// Data must be a pointer to a fixed-size value or a slice
// of fixed-size values.
// Bytes read from r are decoded using the specified byte order
// and written to successive fields of the data.
// When reading into structs, the field data for fields with
// blank (_) field names is skipped; i.e., blank field names
// may be used for padding.
// When reading into a struct, all non-blank fields must be exported.
func Read(r io.Reader, order ByteOrder, data interface{}) error {
// Fast path for basic types and slices.
if n := intDataSize(data); n != 0 {
var b [8]byte
var bs []byte
if n > len(b) {
bs = make([]byte, n)
} else {
bs = b[:n]
}
if _, err := io.ReadFull(r, bs); err != nil {
return err
}
switch data := data.(type) {
case *int8:
*data = int8(b[0])
case *uint8:
*data = b[0]
case *int16:
*data = int16(order.Uint16(bs))
case *uint16:
*data = order.Uint16(bs)
case *int32:
*data = int32(order.Uint32(bs))
case *uint32:
*data = order.Uint32(bs)
case *int64:
*data = int64(order.Uint64(bs))
case *uint64:
*data = order.Uint64(bs)
case []int8:
for i, x := range bs { // Easier to loop over the input for 8-bit values.
data[i] = int8(x)
}
case []uint8:
copy(data, bs)
case []int16:
for i := range data {
data[i] = int16(order.Uint16(bs[2*i:]))
}
case []uint16:
for i := range data {
data[i] = order.Uint16(bs[2*i:])
}
case []int32:
for i := range data {
data[i] = int32(order.Uint32(bs[4*i:]))
}
case []uint32:
for i := range data {
data[i] = order.Uint32(bs[4*i:])
}
case []int64:
for i := range data {
data[i] = int64(order.Uint64(bs[8*i:]))
}
case []uint64:
for i := range data {
data[i] = order.Uint64(bs[8*i:])
}
}
return nil
}
// Fallback to reflect-based decoding.
v := reflect.ValueOf(data)
size := -1
switch v.Kind() {
case reflect.Ptr:
v = v.Elem()
size = dataSize(v)
case reflect.Slice:
size = dataSize(v)
}
if size < 0 {
return errors.New("binary.Read: invalid type " + reflect.TypeOf(data).String())
}
d := &decoder{order: order, buf: make([]byte, size)}
if _, err := io.ReadFull(r, d.buf); err != nil {
return err
}
d.value(v)
return nil
}
// Write writes the binary representation of data into w.
// Data must be a fixed-size value or a slice of fixed-size
// values, or a pointer to such data.
// Bytes written to w are encoded using the specified byte order
// and read from successive fields of the data.
// When writing structs, zero values are written for fields
// with blank (_) field names.
func Write(w io.Writer, order ByteOrder, data interface{}) error {
// Fast path for basic types and slices.
if n := intDataSize(data); n != 0 {
var b [8]byte
var bs []byte
if n > len(b) {
bs = make([]byte, n)
} else {
bs = b[:n]
}
switch v := data.(type) {
case *int8:
bs = b[:1]
b[0] = byte(*v)
case int8:
bs = b[:1]
b[0] = byte(v)
case []int8:
for i, x := range v {
bs[i] = byte(x)
}
case *uint8:
bs = b[:1]
b[0] = *v
case uint8:
bs = b[:1]
b[0] = byte(v)
case []uint8:
bs = v
case *int16:
bs = b[:2]
order.PutUint16(bs, uint16(*v))
case int16:
bs = b[:2]
order.PutUint16(bs, uint16(v))
case []int16:
for i, x := range v {
order.PutUint16(bs[2*i:], uint16(x))
}
case *uint16:
bs = b[:2]
order.PutUint16(bs, *v)
case uint16:
bs = b[:2]
order.PutUint16(bs, v)
case []uint16:
for i, x := range v {
order.PutUint16(bs[2*i:], x)
}
case *int32:
bs = b[:4]
order.PutUint32(bs, uint32(*v))
case int32:
bs = b[:4]
order.PutUint32(bs, uint32(v))
case []int32:
for i, x := range v {
order.PutUint32(bs[4*i:], uint32(x))
}
case *uint32:
bs = b[:4]
order.PutUint32(bs, *v)
case uint32:
bs = b[:4]
order.PutUint32(bs, v)
case []uint32:
for i, x := range v {
order.PutUint32(bs[4*i:], x)
}
case *int64:
bs = b[:8]
order.PutUint64(bs, uint64(*v))
case int64:
bs = b[:8]
order.PutUint64(bs, uint64(v))
case []int64:
for i, x := range v {
order.PutUint64(bs[8*i:], uint64(x))
}
case *uint64:
bs = b[:8]
order.PutUint64(bs, *v)
case uint64:
bs = b[:8]
order.PutUint64(bs, v)
case []uint64:
for i, x := range v {
order.PutUint64(bs[8*i:], x)
}
}
_, err := w.Write(bs)
return err
}
// Fallback to reflect-based encoding.
v := reflect.Indirect(reflect.ValueOf(data))
size := dataSize(v)
if size < 0 {
return errors.New("binary.Write: invalid type " + reflect.TypeOf(data).String())
}
buf := make([]byte, size)
e := &encoder{order: order, buf: buf}
e.value(v)
_, err := w.Write(buf)
return err
}
// Size returns how many bytes Write would generate to encode the value v, which
// must be a fixed-size value or a slice of fixed-size values, or a pointer to such data.
// If v is neither of these, Size returns -1.
func Size(v interface{}) int {
return dataSize(reflect.Indirect(reflect.ValueOf(v)))
}
// dataSize returns the number of bytes the actual data represented by v occupies in memory.
// For compound structures, it sums the sizes of the elements. Thus, for instance, for a slice
// it returns the length of the slice times the element size and does not count the memory
// occupied by the header. If the type of v is not acceptable, dataSize returns -1.
func dataSize(v reflect.Value) int {
if v.Kind() == reflect.Slice {
if s := sizeof(v.Type().Elem()); s >= 0 {
return s * v.Len()
}
return -1
}
return sizeof(v.Type())
}
// sizeof returns the size >= 0 of variables for the given type or -1 if the type is not acceptable.
func sizeof(t reflect.Type) int {
switch t.Kind() {
case reflect.Array:
if s := sizeof(t.Elem()); s >= 0 {
return s * t.Len()
}
case reflect.Struct:
sum := 0
for i, n := 0, t.NumField(); i < n; i++ {
s := sizeof(t.Field(i).Type)
if s < 0 {
return -1
}
sum += s
}
return sum
case reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64,
reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Float32, reflect.Float64, reflect.Complex64, reflect.Complex128, reflect.Ptr:
return int(t.Size())
}
return -1
}
type coder struct {
order ByteOrder
buf []byte
}
type decoder coder
type encoder coder
func (d *decoder) uint8() uint8 {
x := d.buf[0]
d.buf = d.buf[1:]
return x
}
func (e *encoder) uint8(x uint8) {
e.buf[0] = x
e.buf = e.buf[1:]
}
func (d *decoder) uint16() uint16 {
x := d.order.Uint16(d.buf[0:2])
d.buf = d.buf[2:]
return x
}
func (e *encoder) uint16(x uint16) {
e.order.PutUint16(e.buf[0:2], x)
e.buf = e.buf[2:]
}
func (d *decoder) uint32() uint32 {
x := d.order.Uint32(d.buf[0:4])
d.buf = d.buf[4:]
return x
}
func (e *encoder) uint32(x uint32) {
e.order.PutUint32(e.buf[0:4], x)
e.buf = e.buf[4:]
}
func (d *decoder) uint64() uint64 {
x := d.order.Uint64(d.buf[0:8])
d.buf = d.buf[8:]
return x
}
func (e *encoder) uint64(x uint64) {
e.order.PutUint64(e.buf[0:8], x)
e.buf = e.buf[8:]
}
func (d *decoder) int8() int8 { return int8(d.uint8()) }
func (e *encoder) int8(x int8) { e.uint8(uint8(x)) }
func (d *decoder) int16() int16 { return int16(d.uint16()) }
func (e *encoder) int16(x int16) { e.uint16(uint16(x)) }
func (d *decoder) int32() int32 { return int32(d.uint32()) }
func (e *encoder) int32(x int32) { e.uint32(uint32(x)) }
func (d *decoder) int64() int64 { return int64(d.uint64()) }
func (e *encoder) int64(x int64) { e.uint64(uint64(x)) }
func (d *decoder) value(v reflect.Value) {
switch v.Kind() {
case reflect.Array:
l := v.Len()
for i := 0; i < l; i++ {
d.value(v.Index(i))
}
case reflect.Struct:
t := v.Type()
l := v.NumField()
for i := 0; i < l; i++ {
// Note: Calling v.CanSet() below is an optimization.
// It would be sufficient to check the field name,
// but creating the StructField info for each field is
// costly (run "go test -bench=ReadStruct" and compare
// results when making changes to this code).
if v := v.Field(i); v.CanSet() || t.Field(i).Name != "_" {
d.value(v)
} else {
d.skip(v)
}
}
case reflect.Slice:
l := v.Len()
for i := 0; i < l; i++ {
d.value(v.Index(i))
}
case reflect.Int8:
v.SetInt(int64(d.int8()))
case reflect.Int16:
v.SetInt(int64(d.int16()))
case reflect.Int32:
v.SetInt(int64(d.int32()))
case reflect.Int64:
v.SetInt(d.int64())
case reflect.Uint8:
v.SetUint(uint64(d.uint8()))
case reflect.Uint16:
v.SetUint(uint64(d.uint16()))
case reflect.Uint32:
v.SetUint(uint64(d.uint32()))
case reflect.Uint64:
v.SetUint(d.uint64())
case reflect.Float32:
v.SetFloat(float64(math.Float32frombits(d.uint32())))
case reflect.Float64:
v.SetFloat(math.Float64frombits(d.uint64()))
case reflect.Complex64:
v.SetComplex(complex(
float64(math.Float32frombits(d.uint32())),
float64(math.Float32frombits(d.uint32())),
))
case reflect.Complex128:
v.SetComplex(complex(
math.Float64frombits(d.uint64()),
math.Float64frombits(d.uint64()),
))
}
}
func (e *encoder) value(v reflect.Value) {
switch v.Kind() {
case reflect.Array:
l := v.Len()
for i := 0; i < l; i++ {
e.value(v.Index(i))
}
case reflect.Struct:
t := v.Type()
l := v.NumField()
for i := 0; i < l; i++ {
// see comment for corresponding code in decoder.value()
if v := v.Field(i); v.CanSet() || t.Field(i).Name != "_" {
e.value(v)
} else {
e.skip(v)
}
}
case reflect.Slice:
l := v.Len()
for i := 0; i < l; i++ {
e.value(v.Index(i))
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
switch v.Type().Kind() {
case reflect.Int8:
e.int8(int8(v.Int()))
case reflect.Int16:
e.int16(int16(v.Int()))
case reflect.Int32:
e.int32(int32(v.Int()))
case reflect.Int64:
e.int64(v.Int())
}
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
switch v.Type().Kind() {
case reflect.Uint8:
e.uint8(uint8(v.Uint()))
case reflect.Uint16:
e.uint16(uint16(v.Uint()))
case reflect.Uint32:
e.uint32(uint32(v.Uint()))
case reflect.Uint64:
e.uint64(v.Uint())
}
case reflect.Float32, reflect.Float64:
switch v.Type().Kind() {
case reflect.Float32:
e.uint32(math.Float32bits(float32(v.Float())))
case reflect.Float64:
e.uint64(math.Float64bits(v.Float()))
}
case reflect.Complex64, reflect.Complex128:
switch v.Type().Kind() {
case reflect.Complex64:
x := v.Complex()
e.uint32(math.Float32bits(float32(real(x))))
e.uint32(math.Float32bits(float32(imag(x))))
case reflect.Complex128:
x := v.Complex()
e.uint64(math.Float64bits(real(x)))
e.uint64(math.Float64bits(imag(x)))
}
}
}
func (d *decoder) skip(v reflect.Value) {
d.buf = d.buf[dataSize(v):]
}
func (e *encoder) skip(v reflect.Value) {
n := dataSize(v)
for i := range e.buf[0:n] {
e.buf[i] = 0
}
e.buf = e.buf[n:]
}
// intDataSize returns the size of the data required to represent the data when encoded.
// It returns zero if the type cannot be implemented by the fast path in Read or Write.
func intDataSize(data interface{}) int {
switch data := data.(type) {
case int8, *int8, *uint8:
return 1
case []int8:
return len(data)
case []uint8:
return len(data)
case int16, *int16, *uint16:
return 2
case []int16:
return 2 * len(data)
case []uint16:
return 2 * len(data)
case int32, *int32, *uint32:
return 4
case []int32:
return 4 * len(data)
case []uint32:
return 4 * len(data)
case int64, *int64, *uint64:
return 8
case []int64:
return 8 * len(data)
case []uint64:
return 8 * len(data)
}
return 0
}

View File

@ -0,0 +1,52 @@
package disk
import (
"encoding/json"
)
type DiskUsageStat struct {
Path string `json:"path"`
Fstype string `json:"fstype"`
Total uint64 `json:"total"`
Free uint64 `json:"free"`
Used uint64 `json:"used"`
UsedPercent float64 `json:"used_percent"`
InodesTotal uint64 `json:"inodes_total"`
InodesUsed uint64 `json:"inodes_used"`
InodesFree uint64 `json:"inodes_free"`
InodesUsedPercent float64 `json:"inodes_used_percent"`
}
type DiskPartitionStat struct {
Device string `json:"device"`
Mountpoint string `json:"mountpoint"`
Fstype string `json:"fstype"`
Opts string `json:"opts"`
}
type DiskIOCountersStat struct {
ReadCount uint64 `json:"read_count"`
WriteCount uint64 `json:"write_count"`
ReadBytes uint64 `json:"read_bytes"`
WriteBytes uint64 `json:"write_bytes"`
ReadTime uint64 `json:"read_time"`
WriteTime uint64 `json:"write_time"`
Name string `json:"name"`
IoTime uint64 `json:"io_time"`
SerialNumber string `json:"serial_number"`
}
func (d DiskUsageStat) String() string {
s, _ := json.Marshal(d)
return string(s)
}
func (d DiskPartitionStat) String() string {
s, _ := json.Marshal(d)
return string(s)
}
func (d DiskIOCountersStat) String() string {
s, _ := json.Marshal(d)
return string(s)
}

View File

@ -0,0 +1,104 @@
// +build darwin
package disk
import (
"syscall"
"unsafe"
common "github.com/shirou/gopsutil/common"
)
func DiskPartitions(all bool) ([]DiskPartitionStat, error) {
var ret []DiskPartitionStat
count, err := Getfsstat(nil, MntWait)
if err != nil {
return ret, err
}
fs := make([]Statfs_t, count)
_, err = Getfsstat(fs, MntWait)
for _, stat := range fs {
opts := "rw"
if stat.Flags&MntReadOnly != 0 {
opts = "ro"
}
if stat.Flags&MntSynchronous != 0 {
opts += ",sync"
}
if stat.Flags&MntNoExec != 0 {
opts += ",noexec"
}
if stat.Flags&MntNoSuid != 0 {
opts += ",nosuid"
}
if stat.Flags&MntUnion != 0 {
opts += ",union"
}
if stat.Flags&MntAsync != 0 {
opts += ",async"
}
if stat.Flags&MntSuidDir != 0 {
opts += ",suiddir"
}
if stat.Flags&MntSoftDep != 0 {
opts += ",softdep"
}
if stat.Flags&MntNoSymFollow != 0 {
opts += ",nosymfollow"
}
if stat.Flags&MntGEOMJournal != 0 {
opts += ",gjounalc"
}
if stat.Flags&MntMultilabel != 0 {
opts += ",multilabel"
}
if stat.Flags&MntACLs != 0 {
opts += ",acls"
}
if stat.Flags&MntNoATime != 0 {
opts += ",noattime"
}
if stat.Flags&MntClusterRead != 0 {
opts += ",nocluster"
}
if stat.Flags&MntClusterWrite != 0 {
opts += ",noclusterw"
}
if stat.Flags&MntNFS4ACLs != 0 {
opts += ",nfs4acls"
}
d := DiskPartitionStat{
Device: common.IntToString(stat.Mntfromname[:]),
Mountpoint: common.IntToString(stat.Mntonname[:]),
Fstype: common.IntToString(stat.Fstypename[:]),
Opts: opts,
}
ret = append(ret, d)
}
return ret, nil
}
func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
return nil, common.NotImplementedError
}
func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf))
}
r0, _, e1 := syscall.Syscall(SYS_GETFSSTAT64, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
func getFsType(stat syscall.Statfs_t) string {
return common.IntToString(stat.Fstypename[:])
}

View File

@ -0,0 +1,58 @@
// +build darwin
// +build amd64
package disk
const (
MntWait = 1
MfsNameLen = 15 /* length of fs type name, not inc. nul */
MNameLen = 90 /* length of buffer for returned name */
MFSTYPENAMELEN = 16 /* length of fs type name including null */
MAXPATHLEN = 1024
MNAMELEN = MAXPATHLEN
SYS_GETFSSTAT64 = 347
)
type Fsid struct{ val [2]int32 } /* file system id type */
type uid_t int32
// sys/mount.h
const (
MntReadOnly = 0x00000001 /* read only filesystem */
MntSynchronous = 0x00000002 /* filesystem written synchronously */
MntNoExec = 0x00000004 /* can't exec from filesystem */
MntNoSuid = 0x00000008 /* don't honor setuid bits on fs */
MntUnion = 0x00000020 /* union with underlying filesystem */
MntAsync = 0x00000040 /* filesystem written asynchronously */
MntSuidDir = 0x00100000 /* special handling of SUID on dirs */
MntSoftDep = 0x00200000 /* soft updates being done */
MntNoSymFollow = 0x00400000 /* do not follow symlinks */
MntGEOMJournal = 0x02000000 /* GEOM journal support enabled */
MntMultilabel = 0x04000000 /* MAC support for individual objects */
MntACLs = 0x08000000 /* ACL support enabled */
MntNoATime = 0x10000000 /* disable update of file access time */
MntClusterRead = 0x40000000 /* disable cluster read */
MntClusterWrite = 0x80000000 /* disable cluster write */
MntNFS4ACLs = 0x00000010
)
type Statfs_t struct {
Bsize uint32
Iosize int32
Blocks uint64
Bfree uint64
Bavail uint64
Files uint64
Ffree uint64
Fsid Fsid
Owner uint32
Type uint32
Flags uint32
Fssubtype uint32
Fstypename [16]int8
Mntonname [1024]int8
Mntfromname [1024]int8
Reserved [8]uint32
}

View File

@ -0,0 +1,179 @@
// +build freebsd
package disk
import (
"bytes"
"encoding/binary"
"strconv"
"syscall"
"unsafe"
common "github.com/shirou/gopsutil/common"
)
const (
CTLKern = 1
// KernDevstat = 773 // for freebsd 8.4
// KernDevstatAll = 772 // for freebsd 8.4
KernDevstat = 974
KernDevstatAll = 975
)
func DiskPartitions(all bool) ([]DiskPartitionStat, error) {
var ret []DiskPartitionStat
// get length
count, err := syscall.Getfsstat(nil, MNT_WAIT)
if err != nil {
return ret, err
}
fs := make([]Statfs, count)
_, err = Getfsstat(fs, MNT_WAIT)
for _, stat := range fs {
opts := "rw"
if stat.Flags&MNT_RDONLY != 0 {
opts = "ro"
}
if stat.Flags&MNT_SYNCHRONOUS != 0 {
opts += ",sync"
}
if stat.Flags&MNT_NOEXEC != 0 {
opts += ",noexec"
}
if stat.Flags&MNT_NOSUID != 0 {
opts += ",nosuid"
}
if stat.Flags&MNT_UNION != 0 {
opts += ",union"
}
if stat.Flags&MNT_ASYNC != 0 {
opts += ",async"
}
if stat.Flags&MNT_SUIDDIR != 0 {
opts += ",suiddir"
}
if stat.Flags&MNT_SOFTDEP != 0 {
opts += ",softdep"
}
if stat.Flags&MNT_NOSYMFOLLOW != 0 {
opts += ",nosymfollow"
}
if stat.Flags&MNT_GJOURNAL != 0 {
opts += ",gjounalc"
}
if stat.Flags&MNT_MULTILABEL != 0 {
opts += ",multilabel"
}
if stat.Flags&MNT_ACLS != 0 {
opts += ",acls"
}
if stat.Flags&MNT_NOATIME != 0 {
opts += ",noattime"
}
if stat.Flags&MNT_NOCLUSTERR != 0 {
opts += ",nocluster"
}
if stat.Flags&MNT_NOCLUSTERW != 0 {
opts += ",noclusterw"
}
if stat.Flags&MNT_NFS4ACLS != 0 {
opts += ",nfs4acls"
}
d := DiskPartitionStat{
Device: common.IntToString(stat.Mntfromname[:]),
Mountpoint: common.IntToString(stat.Mntonname[:]),
Fstype: common.IntToString(stat.Fstypename[:]),
Opts: opts,
}
ret = append(ret, d)
}
return ret, nil
}
func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
// statinfo->devinfo->devstat
// /usr/include/devinfo.h
// sysctl.sysctl ('kern.devstat.all', 0)
ret := make(map[string]DiskIOCountersStat)
mib := []int32{CTLKern, KernDevstat, KernDevstatAll}
buf, length, err := common.CallSyscall(mib)
if err != nil {
return nil, err
}
ds := Devstat{}
devstatLen := int(unsafe.Sizeof(ds))
count := int(length / uint64(devstatLen))
buf = buf[8:] // devstat.all has version in the head.
// parse buf to Devstat
for i := 0; i < count; i++ {
b := buf[i*devstatLen : i*devstatLen+devstatLen]
d, err := parseDevstat(b)
if err != nil {
continue
}
un := strconv.Itoa(int(d.Unit_number))
name := common.IntToString(d.Device_name[:]) + un
ds := DiskIOCountersStat{
ReadCount: d.Operations[DEVSTAT_READ],
WriteCount: d.Operations[DEVSTAT_WRITE],
ReadBytes: d.Bytes[DEVSTAT_READ],
WriteBytes: d.Bytes[DEVSTAT_WRITE],
ReadTime: d.Duration[DEVSTAT_READ].Compute(),
WriteTime: d.Duration[DEVSTAT_WRITE].Compute(),
Name: name,
}
ret[name] = ds
}
return ret, nil
}
func (b Bintime) Compute() uint64 {
BINTIME_SCALE := 5.42101086242752217003726400434970855712890625e-20
return uint64(b.Sec) + b.Frac*uint64(BINTIME_SCALE)
}
// BT2LD(time) ((long double)(time).sec + (time).frac * BINTIME_SCALE)
// Getfsstat is borrowed from pkg/syscall/syscall_freebsd.go
// change Statfs_t to Statfs in order to get more information
func Getfsstat(buf []Statfs, flags int) (n int, err error) {
var _p0 unsafe.Pointer
var bufsize uintptr
if len(buf) > 0 {
_p0 = unsafe.Pointer(&buf[0])
bufsize = unsafe.Sizeof(Statfs{}) * uintptr(len(buf))
}
r0, _, e1 := syscall.Syscall(syscall.SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags))
n = int(r0)
if e1 != 0 {
err = e1
}
return
}
func parseDevstat(buf []byte) (Devstat, error) {
var ds Devstat
br := bytes.NewReader(buf)
// err := binary.Read(br, binary.LittleEndian, &ds)
err := Read(br, binary.LittleEndian, &ds)
if err != nil {
return ds, err
}
return ds, nil
}
func getFsType(stat syscall.Statfs_t) string {
return common.IntToString(stat.Fstypename[:])
}

View File

@ -0,0 +1,111 @@
// Created by cgo -godefs - DO NOT EDIT
// cgo -godefs types_freebsd.go
package disk
const (
sizeofPtr = 0x8
sizeofShort = 0x2
sizeofInt = 0x4
sizeofLong = 0x8
sizeofLongLong = 0x8
sizeofLongDouble = 0x8
DEVSTAT_NO_DATA = 0x00
DEVSTAT_READ = 0x01
DEVSTAT_WRITE = 0x02
DEVSTAT_FREE = 0x03
MNT_RDONLY = 0x00000001
MNT_SYNCHRONOUS = 0x00000002
MNT_NOEXEC = 0x00000004
MNT_NOSUID = 0x00000008
MNT_UNION = 0x00000020
MNT_ASYNC = 0x00000040
MNT_SUIDDIR = 0x00100000
MNT_SOFTDEP = 0x00200000
MNT_NOSYMFOLLOW = 0x00400000
MNT_GJOURNAL = 0x02000000
MNT_MULTILABEL = 0x04000000
MNT_ACLS = 0x08000000
MNT_NOATIME = 0x10000000
MNT_NOCLUSTERR = 0x40000000
MNT_NOCLUSTERW = 0x80000000
MNT_NFS4ACLS = 0x00000010
MNT_WAIT = 1
MNT_NOWAIT = 2
MNT_LAZY = 3
MNT_SUSPEND = 4
)
type (
_C_short int16
_C_int int32
_C_long int64
_C_long_long int64
_C_long_double int64
)
type Statfs struct {
Version uint32
Type uint32
Flags uint64
Bsize uint64
Iosize uint64
Blocks uint64
Bfree uint64
Bavail int64
Files uint64
Ffree int64
Syncwrites uint64
Asyncwrites uint64
Syncreads uint64
Asyncreads uint64
Spare [10]uint64
Namemax uint32
Owner uint32
Fsid Fsid
Charspare [80]int8
Fstypename [16]int8
Mntfromname [88]int8
Mntonname [88]int8
}
type Fsid struct {
Val [2]int32
}
type Devstat struct {
Sequence0 uint32
Allocated int32
Start_count uint32
End_count uint32
Busy_from Bintime
Dev_links _Ctype_struct___0
Device_number uint32
Device_name [16]int8
Unit_number int32
Bytes [4]uint64
Operations [4]uint64
Duration [4]Bintime
Busy_time Bintime
Creation_time Bintime
Block_size uint32
Pad_cgo_0 [4]byte
Tag_types [3]uint64
Flags uint32
Device_type uint32
Priority uint32
Pad_cgo_1 [4]byte
Id *byte
Sequence1 uint32
Pad_cgo_2 [4]byte
}
type Bintime struct {
Sec int64
Frac uint64
}
type _Ctype_struct___0 struct {
Empty uint64
}

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@ -0,0 +1,327 @@
// +build linux
package disk
import (
"fmt"
"os/exec"
"strconv"
"strings"
"syscall"
common "github.com/shirou/gopsutil/common"
)
const (
SectorSize = 512
)
const (
// man statfs
ADFS_SUPER_MAGIC = 0xadf5
AFFS_SUPER_MAGIC = 0xADFF
BDEVFS_MAGIC = 0x62646576
BEFS_SUPER_MAGIC = 0x42465331
BFS_MAGIC = 0x1BADFACE
BINFMTFS_MAGIC = 0x42494e4d
BTRFS_SUPER_MAGIC = 0x9123683E
CGROUP_SUPER_MAGIC = 0x27e0eb
CIFS_MAGIC_NUMBER = 0xFF534D42
CODA_SUPER_MAGIC = 0x73757245
COH_SUPER_MAGIC = 0x012FF7B7
CRAMFS_MAGIC = 0x28cd3d45
DEBUGFS_MAGIC = 0x64626720
DEVFS_SUPER_MAGIC = 0x1373
DEVPTS_SUPER_MAGIC = 0x1cd1
EFIVARFS_MAGIC = 0xde5e81e4
EFS_SUPER_MAGIC = 0x00414A53
EXT_SUPER_MAGIC = 0x137D
EXT2_OLD_SUPER_MAGIC = 0xEF51
EXT2_SUPER_MAGIC = 0xEF53
EXT3_SUPER_MAGIC = 0xEF53
EXT4_SUPER_MAGIC = 0xEF53
FUSE_SUPER_MAGIC = 0x65735546
FUTEXFS_SUPER_MAGIC = 0xBAD1DEA
HFS_SUPER_MAGIC = 0x4244
HOSTFS_SUPER_MAGIC = 0x00c0ffee
HPFS_SUPER_MAGIC = 0xF995E849
HUGETLBFS_MAGIC = 0x958458f6
ISOFS_SUPER_MAGIC = 0x9660
JFFS2_SUPER_MAGIC = 0x72b6
JFS_SUPER_MAGIC = 0x3153464a
MINIX_SUPER_MAGIC = 0x137F /* orig. minix */
MINIX_SUPER_MAGIC2 = 0x138F /* 30 char minix */
MINIX2_SUPER_MAGIC = 0x2468 /* minix V2 */
MINIX2_SUPER_MAGIC2 = 0x2478 /* minix V2, 30 char names */
MINIX3_SUPER_MAGIC = 0x4d5a /* minix V3 fs, 60 char names */
MQUEUE_MAGIC = 0x19800202
MSDOS_SUPER_MAGIC = 0x4d44
NCP_SUPER_MAGIC = 0x564c
NFS_SUPER_MAGIC = 0x6969
NILFS_SUPER_MAGIC = 0x3434
NTFS_SB_MAGIC = 0x5346544e
OCFS2_SUPER_MAGIC = 0x7461636f
OPENPROM_SUPER_MAGIC = 0x9fa1
PIPEFS_MAGIC = 0x50495045
PROC_SUPER_MAGIC = 0x9fa0
PSTOREFS_MAGIC = 0x6165676C
QNX4_SUPER_MAGIC = 0x002f
QNX6_SUPER_MAGIC = 0x68191122
RAMFS_MAGIC = 0x858458f6
REISERFS_SUPER_MAGIC = 0x52654973
ROMFS_MAGIC = 0x7275
SELINUX_MAGIC = 0xf97cff8c
SMACK_MAGIC = 0x43415d53
SMB_SUPER_MAGIC = 0x517B
SOCKFS_MAGIC = 0x534F434B
SQUASHFS_MAGIC = 0x73717368
SYSFS_MAGIC = 0x62656572
SYSV2_SUPER_MAGIC = 0x012FF7B6
SYSV4_SUPER_MAGIC = 0x012FF7B5
TMPFS_MAGIC = 0x01021994
UDF_SUPER_MAGIC = 0x15013346
UFS_MAGIC = 0x00011954
USBDEVICE_SUPER_MAGIC = 0x9fa2
V9FS_MAGIC = 0x01021997
VXFS_SUPER_MAGIC = 0xa501FCF5
XENFS_SUPER_MAGIC = 0xabba1974
XENIX_SUPER_MAGIC = 0x012FF7B4
XFS_SUPER_MAGIC = 0x58465342
_XIAFS_SUPER_MAGIC = 0x012FD16D
AFS_SUPER_MAGIC = 0x5346414F
AUFS_SUPER_MAGIC = 0x61756673
ANON_INODE_FS_SUPER_MAGIC = 0x09041934
CEPH_SUPER_MAGIC = 0x00C36400
ECRYPTFS_SUPER_MAGIC = 0xF15F
FAT_SUPER_MAGIC = 0x4006
FHGFS_SUPER_MAGIC = 0x19830326
FUSEBLK_SUPER_MAGIC = 0x65735546
FUSECTL_SUPER_MAGIC = 0x65735543
GFS_SUPER_MAGIC = 0x1161970
GPFS_SUPER_MAGIC = 0x47504653
MTD_INODE_FS_SUPER_MAGIC = 0x11307854
INOTIFYFS_SUPER_MAGIC = 0x2BAD1DEA
ISOFS_R_WIN_SUPER_MAGIC = 0x4004
ISOFS_WIN_SUPER_MAGIC = 0x4000
JFFS_SUPER_MAGIC = 0x07C0
KAFS_SUPER_MAGIC = 0x6B414653
LUSTRE_SUPER_MAGIC = 0x0BD00BD0
NFSD_SUPER_MAGIC = 0x6E667364
PANFS_SUPER_MAGIC = 0xAAD7AAEA
RPC_PIPEFS_SUPER_MAGIC = 0x67596969
SECURITYFS_SUPER_MAGIC = 0x73636673
UFS_BYTESWAPPED_SUPER_MAGIC = 0x54190100
VMHGFS_SUPER_MAGIC = 0xBACBACBC
VZFS_SUPER_MAGIC = 0x565A4653
ZFS_SUPER_MAGIC = 0x2FC12FC1
)
// coreutils/src/stat.c
var fsTypeMap = map[int64]string{
ADFS_SUPER_MAGIC: "adfs", /* 0xADF5 local */
AFFS_SUPER_MAGIC: "affs", /* 0xADFF local */
AFS_SUPER_MAGIC: "afs", /* 0x5346414F remote */
ANON_INODE_FS_SUPER_MAGIC: "anon-inode FS", /* 0x09041934 local */
AUFS_SUPER_MAGIC: "aufs", /* 0x61756673 remote */
// AUTOFS_SUPER_MAGIC: "autofs", /* 0x0187 local */
BEFS_SUPER_MAGIC: "befs", /* 0x42465331 local */
BDEVFS_MAGIC: "bdevfs", /* 0x62646576 local */
BFS_MAGIC: "bfs", /* 0x1BADFACE local */
BINFMTFS_MAGIC: "binfmt_misc", /* 0x42494E4D local */
BTRFS_SUPER_MAGIC: "btrfs", /* 0x9123683E local */
CEPH_SUPER_MAGIC: "ceph", /* 0x00C36400 remote */
CGROUP_SUPER_MAGIC: "cgroupfs", /* 0x0027E0EB local */
CIFS_MAGIC_NUMBER: "cifs", /* 0xFF534D42 remote */
CODA_SUPER_MAGIC: "coda", /* 0x73757245 remote */
COH_SUPER_MAGIC: "coh", /* 0x012FF7B7 local */
CRAMFS_MAGIC: "cramfs", /* 0x28CD3D45 local */
DEBUGFS_MAGIC: "debugfs", /* 0x64626720 local */
DEVFS_SUPER_MAGIC: "devfs", /* 0x1373 local */
DEVPTS_SUPER_MAGIC: "devpts", /* 0x1CD1 local */
ECRYPTFS_SUPER_MAGIC: "ecryptfs", /* 0xF15F local */
EFS_SUPER_MAGIC: "efs", /* 0x00414A53 local */
EXT_SUPER_MAGIC: "ext", /* 0x137D local */
EXT2_SUPER_MAGIC: "ext2/ext3", /* 0xEF53 local */
EXT2_OLD_SUPER_MAGIC: "ext2", /* 0xEF51 local */
FAT_SUPER_MAGIC: "fat", /* 0x4006 local */
FHGFS_SUPER_MAGIC: "fhgfs", /* 0x19830326 remote */
FUSEBLK_SUPER_MAGIC: "fuseblk", /* 0x65735546 remote */
FUSECTL_SUPER_MAGIC: "fusectl", /* 0x65735543 remote */
FUTEXFS_SUPER_MAGIC: "futexfs", /* 0x0BAD1DEA local */
GFS_SUPER_MAGIC: "gfs/gfs2", /* 0x1161970 remote */
GPFS_SUPER_MAGIC: "gpfs", /* 0x47504653 remote */
HFS_SUPER_MAGIC: "hfs", /* 0x4244 local */
HPFS_SUPER_MAGIC: "hpfs", /* 0xF995E849 local */
HUGETLBFS_MAGIC: "hugetlbfs", /* 0x958458F6 local */
MTD_INODE_FS_SUPER_MAGIC: "inodefs", /* 0x11307854 local */
INOTIFYFS_SUPER_MAGIC: "inotifyfs", /* 0x2BAD1DEA local */
ISOFS_SUPER_MAGIC: "isofs", /* 0x9660 local */
ISOFS_R_WIN_SUPER_MAGIC: "isofs", /* 0x4004 local */
ISOFS_WIN_SUPER_MAGIC: "isofs", /* 0x4000 local */
JFFS_SUPER_MAGIC: "jffs", /* 0x07C0 local */
JFFS2_SUPER_MAGIC: "jffs2", /* 0x72B6 local */
JFS_SUPER_MAGIC: "jfs", /* 0x3153464A local */
KAFS_SUPER_MAGIC: "k-afs", /* 0x6B414653 remote */
LUSTRE_SUPER_MAGIC: "lustre", /* 0x0BD00BD0 remote */
MINIX_SUPER_MAGIC: "minix", /* 0x137F local */
MINIX_SUPER_MAGIC2: "minix (30 char.)", /* 0x138F local */
MINIX2_SUPER_MAGIC: "minix v2", /* 0x2468 local */
MINIX2_SUPER_MAGIC2: "minix v2 (30 char.)", /* 0x2478 local */
MINIX3_SUPER_MAGIC: "minix3", /* 0x4D5A local */
MQUEUE_MAGIC: "mqueue", /* 0x19800202 local */
MSDOS_SUPER_MAGIC: "msdos", /* 0x4D44 local */
NCP_SUPER_MAGIC: "novell", /* 0x564C remote */
NFS_SUPER_MAGIC: "nfs", /* 0x6969 remote */
NFSD_SUPER_MAGIC: "nfsd", /* 0x6E667364 remote */
NILFS_SUPER_MAGIC: "nilfs", /* 0x3434 local */
NTFS_SB_MAGIC: "ntfs", /* 0x5346544E local */
OPENPROM_SUPER_MAGIC: "openprom", /* 0x9FA1 local */
OCFS2_SUPER_MAGIC: "ocfs2", /* 0x7461636f remote */
PANFS_SUPER_MAGIC: "panfs", /* 0xAAD7AAEA remote */
PIPEFS_MAGIC: "pipefs", /* 0x50495045 remote */
PROC_SUPER_MAGIC: "proc", /* 0x9FA0 local */
PSTOREFS_MAGIC: "pstorefs", /* 0x6165676C local */
QNX4_SUPER_MAGIC: "qnx4", /* 0x002F local */
QNX6_SUPER_MAGIC: "qnx6", /* 0x68191122 local */
RAMFS_MAGIC: "ramfs", /* 0x858458F6 local */
REISERFS_SUPER_MAGIC: "reiserfs", /* 0x52654973 local */
ROMFS_MAGIC: "romfs", /* 0x7275 local */
RPC_PIPEFS_SUPER_MAGIC: "rpc_pipefs", /* 0x67596969 local */
SECURITYFS_SUPER_MAGIC: "securityfs", /* 0x73636673 local */
SELINUX_MAGIC: "selinux", /* 0xF97CFF8C local */
SMB_SUPER_MAGIC: "smb", /* 0x517B remote */
SOCKFS_MAGIC: "sockfs", /* 0x534F434B local */
SQUASHFS_MAGIC: "squashfs", /* 0x73717368 local */
SYSFS_MAGIC: "sysfs", /* 0x62656572 local */
SYSV2_SUPER_MAGIC: "sysv2", /* 0x012FF7B6 local */
SYSV4_SUPER_MAGIC: "sysv4", /* 0x012FF7B5 local */
TMPFS_MAGIC: "tmpfs", /* 0x01021994 local */
UDF_SUPER_MAGIC: "udf", /* 0x15013346 local */
UFS_MAGIC: "ufs", /* 0x00011954 local */
UFS_BYTESWAPPED_SUPER_MAGIC: "ufs", /* 0x54190100 local */
USBDEVICE_SUPER_MAGIC: "usbdevfs", /* 0x9FA2 local */
V9FS_MAGIC: "v9fs", /* 0x01021997 local */
VMHGFS_SUPER_MAGIC: "vmhgfs", /* 0xBACBACBC remote */
VXFS_SUPER_MAGIC: "vxfs", /* 0xA501FCF5 local */
VZFS_SUPER_MAGIC: "vzfs", /* 0x565A4653 local */
XENFS_SUPER_MAGIC: "xenfs", /* 0xABBA1974 local */
XENIX_SUPER_MAGIC: "xenix", /* 0x012FF7B4 local */
XFS_SUPER_MAGIC: "xfs", /* 0x58465342 local */
_XIAFS_SUPER_MAGIC: "xia", /* 0x012FD16D local */
ZFS_SUPER_MAGIC: "zfs", /* 0x2FC12FC1 local */
}
// Get disk partitions.
// should use setmntent(3) but this implement use /etc/mtab file
func DiskPartitions(all bool) ([]DiskPartitionStat, error) {
filename := "/etc/mtab"
lines, err := common.ReadLines(filename)
if err != nil {
return nil, err
}
ret := make([]DiskPartitionStat, 0, len(lines))
for _, line := range lines {
fields := strings.Fields(line)
d := DiskPartitionStat{
Device: fields[0],
Mountpoint: fields[1],
Fstype: fields[2],
Opts: fields[3],
}
ret = append(ret, d)
}
return ret, nil
}
func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
filename := "/proc/diskstats"
lines, err := common.ReadLines(filename)
if err != nil {
return nil, err
}
ret := make(map[string]DiskIOCountersStat, 0)
empty := DiskIOCountersStat{}
for _, line := range lines {
fields := strings.Fields(line)
name := fields[2]
reads, err := strconv.ParseUint((fields[3]), 10, 64)
if err != nil {
return ret, err
}
rbytes, err := strconv.ParseUint((fields[5]), 10, 64)
if err != nil {
return ret, err
}
rtime, err := strconv.ParseUint((fields[6]), 10, 64)
if err != nil {
return ret, err
}
writes, err := strconv.ParseUint((fields[7]), 10, 64)
if err != nil {
return ret, err
}
wbytes, err := strconv.ParseUint((fields[9]), 10, 64)
if err != nil {
return ret, err
}
wtime, err := strconv.ParseUint((fields[10]), 10, 64)
if err != nil {
return ret, err
}
iotime, err := strconv.ParseUint((fields[12]), 10, 64)
if err != nil {
return ret, err
}
d := DiskIOCountersStat{
ReadBytes: rbytes * SectorSize,
WriteBytes: wbytes * SectorSize,
ReadCount: reads,
WriteCount: writes,
ReadTime: rtime,
WriteTime: wtime,
IoTime: iotime,
}
if d == empty {
continue
}
d.Name = name
d.SerialNumber = GetDiskSerialNumber(name)
ret[name] = d
}
return ret, nil
}
func GetDiskSerialNumber(name string) string {
n := fmt.Sprintf("--name=%s", name)
out, err := exec.Command("/sbin/udevadm", "info", "--query=property", n).Output()
// does not return error, just an empty string
if err != nil {
return ""
}
lines := strings.Split(string(out), "\n")
for _, line := range lines {
values := strings.Split(line, "=")
if len(values) < 2 || values[0] != "ID_SERIAL" {
// only get ID_SERIAL, not ID_SERIAL_SHORT
continue
}
return values[1]
}
return ""
}
func getFsType(stat syscall.Statfs_t) string {
t := stat.Type
ret, ok := fsTypeMap[t]
if !ok {
return ""
}
return ret
}

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package disk
import (
"fmt"
"runtime"
"testing"
)
func TestDisk_usage(t *testing.T) {
path := "/"
if runtime.GOOS == "windows" {
path = "C:"
}
v, err := DiskUsage(path)
if err != nil {
t.Errorf("error %v", err)
}
if v.Path != path {
t.Errorf("error %v", err)
}
}
func TestDisk_partitions(t *testing.T) {
ret, err := DiskPartitions(false)
if err != nil || len(ret) == 0 {
t.Errorf("error %v", err)
}
empty := DiskPartitionStat{}
for _, disk := range ret {
if disk == empty {
t.Errorf("Could not get device info %v", disk)
}
}
}
func TestDisk_io_counters(t *testing.T) {
ret, err := DiskIOCounters()
if err != nil {
t.Errorf("error %v", err)
}
if len(ret) == 0 {
t.Errorf("ret is empty, %v", ret)
}
empty := DiskIOCountersStat{}
for part, io := range ret {
if io == empty {
t.Errorf("io_counter error %v, %v", part, io)
}
}
}
func TestDiskUsageStat_String(t *testing.T) {
v := DiskUsageStat{
Path: "/",
Total: 1000,
Free: 2000,
Used: 3000,
UsedPercent: 50.1,
InodesTotal: 4000,
InodesUsed: 5000,
InodesFree: 6000,
InodesUsedPercent: 49.1,
Fstype: "ext4",
}
e := `{"path":"/","fstype":"ext4","total":1000,"free":2000,"used":3000,"used_percent":50.1,"inodes_total":4000,"inodes_used":5000,"inodes_free":6000,"inodes_used_percent":49.1}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("DiskUsageStat string is invalid: %v", v)
}
}
func TestDiskPartitionStat_String(t *testing.T) {
v := DiskPartitionStat{
Device: "sd01",
Mountpoint: "/",
Fstype: "ext4",
Opts: "ro",
}
e := `{"device":"sd01","mountpoint":"/","fstype":"ext4","opts":"ro"}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("DiskUsageStat string is invalid: %v", v)
}
}
func TestDiskIOCountersStat_String(t *testing.T) {
v := DiskIOCountersStat{
Name: "sd01",
ReadCount: 100,
WriteCount: 200,
ReadBytes: 300,
WriteBytes: 400,
SerialNumber: "SERIAL",
}
e := `{"read_count":100,"write_count":200,"read_bytes":300,"write_bytes":400,"read_time":0,"write_time":0,"name":"sd01","io_time":0,"serial_number":"SERIAL"}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("DiskUsageStat string is invalid: %v", v)
}
}

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// +build freebsd linux darwin
package disk
import "syscall"
func DiskUsage(path string) (*DiskUsageStat, error) {
stat := syscall.Statfs_t{}
err := syscall.Statfs(path, &stat)
if err != nil {
return nil, err
}
bsize := stat.Bsize
ret := &DiskUsageStat{
Path: path,
Fstype: getFsType(stat),
Total: (uint64(stat.Blocks) * uint64(bsize)),
Free: (uint64(stat.Bfree) * uint64(bsize)),
InodesTotal: (uint64(stat.Files)),
InodesFree: (uint64(stat.Ffree)),
}
ret.InodesUsed = (ret.InodesTotal - ret.InodesFree)
ret.InodesUsedPercent = (float64(ret.InodesUsed) / float64(ret.InodesTotal)) * 100.0
ret.Used = (uint64(stat.Blocks) - uint64(stat.Bfree)) * uint64(bsize)
ret.UsedPercent = (float64(ret.Used) / float64(ret.Total)) * 100.0
return ret, nil
}

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// +build windows
package disk
import (
"bytes"
"syscall"
"unsafe"
"github.com/StackExchange/wmi"
common "github.com/shirou/gopsutil/common"
)
var (
procGetDiskFreeSpaceExW = common.Modkernel32.NewProc("GetDiskFreeSpaceExW")
procGetLogicalDriveStringsW = common.Modkernel32.NewProc("GetLogicalDriveStringsW")
procGetDriveType = common.Modkernel32.NewProc("GetDriveTypeW")
provGetVolumeInformation = common.Modkernel32.NewProc("GetVolumeInformationW")
)
var (
FileFileCompression = int64(16) // 0x00000010
FileReadOnlyVolume = int64(524288) // 0x00080000
)
type Win32_PerfFormattedData struct {
Name string
AvgDiskBytesPerRead uint64
AvgDiskBytesPerWrite uint64
AvgDiskReadQueueLength uint64
AvgDiskWriteQueueLength uint64
AvgDisksecPerRead uint64
AvgDisksecPerWrite uint64
}
const WaitMSec = 500
func DiskUsage(path string) (*DiskUsageStat, error) {
ret := &DiskUsageStat{}
lpFreeBytesAvailable := int64(0)
lpTotalNumberOfBytes := int64(0)
lpTotalNumberOfFreeBytes := int64(0)
diskret, _, err := procGetDiskFreeSpaceExW.Call(
uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))),
uintptr(unsafe.Pointer(&lpFreeBytesAvailable)),
uintptr(unsafe.Pointer(&lpTotalNumberOfBytes)),
uintptr(unsafe.Pointer(&lpTotalNumberOfFreeBytes)))
if diskret == 0 {
return nil, err
}
ret = &DiskUsageStat{
Path: path,
Total: uint64(lpTotalNumberOfBytes),
Free: uint64(lpTotalNumberOfFreeBytes),
Used: uint64(lpTotalNumberOfBytes) - uint64(lpTotalNumberOfFreeBytes),
UsedPercent: (float64(lpTotalNumberOfBytes) - float64(lpTotalNumberOfFreeBytes)) / float64(lpTotalNumberOfBytes) * 100,
// InodesTotal: 0,
// InodesFree: 0,
// InodesUsed: 0,
// InodesUsedPercent: 0,
}
return ret, nil
}
func DiskPartitions(all bool) ([]DiskPartitionStat, error) {
var ret []DiskPartitionStat
lpBuffer := make([]byte, 254)
diskret, _, err := procGetLogicalDriveStringsW.Call(
uintptr(len(lpBuffer)),
uintptr(unsafe.Pointer(&lpBuffer[0])))
if diskret == 0 {
return ret, err
}
for _, v := range lpBuffer {
if v >= 65 && v <= 90 {
path := string(v) + ":"
if path == "A:" || path == "B:" { // skip floppy drives
continue
}
typepath, _ := syscall.UTF16PtrFromString(path)
typeret, _, _ := procGetDriveType.Call(uintptr(unsafe.Pointer(typepath)))
if typeret == 0 {
return ret, syscall.GetLastError()
}
// 2: DRIVE_REMOVABLE 3: DRIVE_FIXED 5: DRIVE_CDROM
if typeret == 2 || typeret == 3 || typeret == 5 {
lpVolumeNameBuffer := make([]byte, 256)
lpVolumeSerialNumber := int64(0)
lpMaximumComponentLength := int64(0)
lpFileSystemFlags := int64(0)
lpFileSystemNameBuffer := make([]byte, 256)
volpath, _ := syscall.UTF16PtrFromString(string(v) + ":/")
driveret, _, err := provGetVolumeInformation.Call(
uintptr(unsafe.Pointer(volpath)),
uintptr(unsafe.Pointer(&lpVolumeNameBuffer[0])),
uintptr(len(lpVolumeNameBuffer)),
uintptr(unsafe.Pointer(&lpVolumeSerialNumber)),
uintptr(unsafe.Pointer(&lpMaximumComponentLength)),
uintptr(unsafe.Pointer(&lpFileSystemFlags)),
uintptr(unsafe.Pointer(&lpFileSystemNameBuffer[0])),
uintptr(len(lpFileSystemNameBuffer)))
if driveret == 0 {
if typeret == 5 {
continue //device is not ready will happen if there is no disk in the drive
}
return ret, err
}
opts := "rw"
if lpFileSystemFlags&FileReadOnlyVolume != 0 {
opts = "ro"
}
if lpFileSystemFlags&FileFileCompression != 0 {
opts += ".compress"
}
d := DiskPartitionStat{
Mountpoint: path,
Device: path,
Fstype: string(bytes.Replace(lpFileSystemNameBuffer, []byte("\x00"), []byte(""), -1)),
Opts: opts,
}
ret = append(ret, d)
}
}
}
return ret, nil
}
func DiskIOCounters() (map[string]DiskIOCountersStat, error) {
ret := make(map[string]DiskIOCountersStat, 0)
var dst []Win32_PerfFormattedData
err := wmi.Query("SELECT * FROM Win32_PerfFormattedData_PerfDisk_LogicalDisk ", &dst)
if err != nil {
return ret, err
}
for _, d := range dst {
if len(d.Name) > 3 { // not get _Total or Harddrive
continue
}
ret[d.Name] = DiskIOCountersStat{
Name: d.Name,
ReadCount: uint64(d.AvgDiskReadQueueLength),
WriteCount: d.AvgDiskWriteQueueLength,
ReadBytes: uint64(d.AvgDiskBytesPerRead),
WriteBytes: uint64(d.AvgDiskBytesPerWrite),
ReadTime: d.AvgDisksecPerRead,
WriteTime: d.AvgDisksecPerWrite,
}
}
return ret, nil
}

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// +build ignore
// Hand writing: _Ctype_struct___0
/*
Input to cgo -godefs.
*/
package disk
/*
#include <sys/types.h>
#include <sys/mount.h>
#include <devstat.h>
enum {
sizeofPtr = sizeof(void*),
};
// because statinfo has long double snap_time, redefine with changing long long
struct statinfo2 {
long cp_time[CPUSTATES];
long tk_nin;
long tk_nout;
struct devinfo *dinfo;
long long snap_time;
};
*/
import "C"
// Machine characteristics; for internal use.
const (
sizeofPtr = C.sizeofPtr
sizeofShort = C.sizeof_short
sizeofInt = C.sizeof_int
sizeofLong = C.sizeof_long
sizeofLongLong = C.sizeof_longlong
sizeofLongDouble = C.sizeof_longlong
DEVSTAT_NO_DATA = 0x00
DEVSTAT_READ = 0x01
DEVSTAT_WRITE = 0x02
DEVSTAT_FREE = 0x03
// from sys/mount.h
MNT_RDONLY = 0x00000001 /* read only filesystem */
MNT_SYNCHRONOUS = 0x00000002 /* filesystem written synchronously */
MNT_NOEXEC = 0x00000004 /* can't exec from filesystem */
MNT_NOSUID = 0x00000008 /* don't honor setuid bits on fs */
MNT_UNION = 0x00000020 /* union with underlying filesystem */
MNT_ASYNC = 0x00000040 /* filesystem written asynchronously */
MNT_SUIDDIR = 0x00100000 /* special handling of SUID on dirs */
MNT_SOFTDEP = 0x00200000 /* soft updates being done */
MNT_NOSYMFOLLOW = 0x00400000 /* do not follow symlinks */
MNT_GJOURNAL = 0x02000000 /* GEOM journal support enabled */
MNT_MULTILABEL = 0x04000000 /* MAC support for individual objects */
MNT_ACLS = 0x08000000 /* ACL support enabled */
MNT_NOATIME = 0x10000000 /* disable update of file access time */
MNT_NOCLUSTERR = 0x40000000 /* disable cluster read */
MNT_NOCLUSTERW = 0x80000000 /* disable cluster write */
MNT_NFS4ACLS = 0x00000010
MNT_WAIT = 1 /* synchronously wait for I/O to complete */
MNT_NOWAIT = 2 /* start all I/O, but do not wait for it */
MNT_LAZY = 3 /* push data not written by filesystem syncer */
MNT_SUSPEND = 4 /* Suspend file system after sync */
)
// Basic types
type (
_C_short C.short
_C_int C.int
_C_long C.long
_C_long_long C.longlong
_C_long_double C.longlong
)
type Statfs C.struct_statfs
type Fsid C.struct_fsid
type Devstat C.struct_devstat
type Bintime C.struct_bintime

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package docker
import "errors"
var ErrDockerNotAvailable = errors.New("docker not available")
var ErrCgroupNotAvailable = errors.New("cgroup not available")
type CgroupMemStat struct {
ContainerID string `json:"container_id"`
Cache uint64 `json:"cache"`
RSS uint64 `json:"rss"`
RSSHuge uint64 `json:"rss_huge"`
MappedFile uint64 `json:"mapped_file"`
Pgpgin uint64 `json:"pgpgin"`
Pgpgout uint64 `json:"pgpgout"`
Pgfault uint64 `json:"pgfault"`
Pgmajfault uint64 `json:"pgmajfault"`
InactiveAnon uint64 `json:"inactive_anon"`
ActiveAnon uint64 `json:"active_anon"`
InactiveFile uint64 `json:"inactive_file"`
ActiveFile uint64 `json:"active_file"`
Unevictable uint64 `json:"unevictable"`
HierarchicalMemoryLimit uint64 `json:"hierarchical_memory_limit"`
TotalCache uint64 `json:"total_cache"`
TotalRSS uint64 `json:"total_rss"`
TotalRSSHuge uint64 `json:"total_rss_huge"`
TotalMappedFile uint64 `json:"total_mapped_file"`
TotalPgpgIn uint64 `json:"total_pgpgin"`
TotalPgpgOut uint64 `json:"total_pgpgout"`
TotalPgFault uint64 `json:"total_pgfault"`
TotalPgMajFault uint64 `json:"total_pgmajfault"`
TotalInactiveAnon uint64 `json:"total_inactive_anon"`
TotalActiveAnon uint64 `json:"total_active_anon"`
TotalInactiveFile uint64 `json:"total_inactive_file"`
TotalActiveFile uint64 `json:"total_active_file"`
TotalUnevictable uint64 `json:"total_unevictable"`
}

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// +build linux
package docker
import (
"encoding/json"
"os/exec"
"path"
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
cpu "github.com/shirou/gopsutil/cpu"
)
// GetDockerIDList returnes a list of DockerID.
// This requires certain permission.
func GetDockerIDList() ([]string, error) {
path, err := exec.LookPath("docker")
if err != nil {
return nil, ErrDockerNotAvailable
}
out, err := exec.Command(path, "ps", "-q", "--no-trunc").Output()
if err != nil {
return []string{}, err
}
lines := strings.Split(string(out), "\n")
ret := make([]string, 0, len(lines))
for _, l := range lines {
if l == "" {
continue
}
ret = append(ret, l)
}
return ret, nil
}
// CgroupCPU returnes specified cgroup id CPU status.
// containerid is same as docker id if you use docker.
// If you use container via systemd.slice, you could use
// containerid = docker-<container id>.scope and base=/sys/fs/cgroup/cpuacct/system.slice/
func CgroupCPU(containerid string, base string) (*cpu.CPUTimesStat, error) {
if len(base) == 0 {
base = "/sys/fs/cgroup/cpuacct/docker"
}
path := path.Join(base, containerid, "cpuacct.stat")
lines, err := common.ReadLines(path)
if err != nil {
return nil, err
}
// empty containerid means all cgroup
if len(containerid) == 0 {
containerid = "all"
}
ret := &cpu.CPUTimesStat{CPU: containerid}
for _, line := range lines {
fields := strings.Split(line, " ")
if fields[0] == "user" {
user, err := strconv.ParseFloat(fields[1], 64)
if err == nil {
ret.User = float64(user)
}
}
if fields[0] == "system" {
system, err := strconv.ParseFloat(fields[1], 64)
if err == nil {
ret.System = float64(system)
}
}
}
return ret, nil
}
func CgroupCPUDocker(containerid string) (*cpu.CPUTimesStat, error) {
return CgroupCPU(containerid, "/sys/fs/cgroup/cpuacct/docker")
}
func CgroupMem(containerid string, base string) (*CgroupMemStat, error) {
if len(base) == 0 {
base = "/sys/fs/cgroup/memory/docker"
}
path := path.Join(base, containerid, "memory.stat")
// empty containerid means all cgroup
if len(containerid) == 0 {
containerid = "all"
}
lines, err := common.ReadLines(path)
if err != nil {
return nil, err
}
ret := &CgroupMemStat{ContainerID: containerid}
for _, line := range lines {
fields := strings.Split(line, " ")
v, err := strconv.ParseUint(fields[1], 10, 64)
if err != nil {
continue
}
switch fields[0] {
case "cache":
ret.Cache = v
case "rss":
ret.RSS = v
case "rss_huge":
ret.RSSHuge = v
case "mapped_file":
ret.MappedFile = v
case "pgpgin":
ret.Pgpgin = v
case "pgpgout":
ret.Pgpgout = v
case "pgfault":
ret.Pgfault = v
case "pgmajfault":
ret.Pgmajfault = v
case "inactive_anon":
ret.InactiveAnon = v
case "active_anon":
ret.ActiveAnon = v
case "inactive_file":
ret.InactiveFile = v
case "active_file":
ret.ActiveFile = v
case "unevictable":
ret.Unevictable = v
case "hierarchical_memory_limit":
ret.HierarchicalMemoryLimit = v
case "total_cache":
ret.TotalCache = v
case "total_rss":
ret.TotalRSS = v
case "total_rss_huge":
ret.TotalRSSHuge = v
case "total_mapped_file":
ret.TotalMappedFile = v
case "total_pgpgin":
ret.TotalPgpgIn = v
case "total_pgpgout":
ret.TotalPgpgOut = v
case "total_pgfault":
ret.TotalPgFault = v
case "total_pgmajfault":
ret.TotalPgMajFault = v
case "total_inactive_anon":
ret.TotalInactiveAnon = v
case "total_active_anon":
ret.TotalActiveAnon = v
case "total_inactive_file":
ret.TotalInactiveFile = v
case "total_active_file":
ret.TotalActiveFile = v
case "total_unevictable":
ret.TotalUnevictable = v
}
}
return ret, nil
}
func CgroupMemDocker(containerid string) (*CgroupMemStat, error) {
return CgroupMem(containerid, "/sys/fs/cgroup/memory/docker")
}
func (m CgroupMemStat) String() string {
s, _ := json.Marshal(m)
return string(s)
}

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// +build linux
package docker
import (
"testing"
)
func TestGetDockerIDList(t *testing.T) {
// If there is not docker environment, this test always fail.
// not tested here
/*
_, err := GetDockerIDList()
if err != nil {
t.Errorf("error %v", err)
}
*/
}
func TestCgroupCPU(t *testing.T) {
v, _ := GetDockerIDList()
for _, id := range v {
v, err := CgroupCPUDocker(id)
if err != nil {
t.Errorf("error %v", err)
}
if v.CPU == "" {
t.Errorf("could not get CgroupCPU %v", v)
}
}
}
func TestCgroupCPUInvalidId(t *testing.T) {
_, err := CgroupCPUDocker("bad id")
if err == nil {
t.Error("Expected path does not exist error")
}
}
func TestCgroupMem(t *testing.T) {
v, _ := GetDockerIDList()
for _, id := range v {
v, err := CgroupMemDocker(id)
if err != nil {
t.Errorf("error %v", err)
}
empty := &CgroupMemStat{}
if v == empty {
t.Errorf("Could not CgroupMemStat %v", v)
}
}
}
func TestCgroupMemInvalidId(t *testing.T) {
_, err := CgroupMemDocker("bad id")
if err == nil {
t.Error("Expected path does not exist error")
}
}

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// +build !linux
package docker
import (
"encoding/json"
"github.com/shirou/gopsutil/cpu"
)
// GetDockerIDList returnes a list of DockerID.
// This requires certain permission.
func GetDockerIDList() ([]string, error) {
return nil, ErrDockerNotAvailable
}
// CgroupCPU returnes specified cgroup id CPU status.
// containerid is same as docker id if you use docker.
// If you use container via systemd.slice, you could use
// containerid = docker-<container id>.scope and base=/sys/fs/cgroup/cpuacct/system.slice/
func CgroupCPU(containerid string, base string) (*cpu.CPUTimesStat, error) {
return nil, ErrCgroupNotAvailable
}
func CgroupCPUDocker(containerid string) (*cpu.CPUTimesStat, error) {
return CgroupCPU(containerid, "/sys/fs/cgroup/cpuacct/docker")
}
func CgroupMem(containerid string, base string) (*CgroupMemStat, error) {
return nil, ErrCgroupNotAvailable
}
func CgroupMemDocker(containerid string) (*CgroupMemStat, error) {
return CgroupMem(containerid, "/sys/fs/cgroup/memory/docker")
}
func (m CgroupMemStat) String() string {
s, _ := json.Marshal(m)
return string(s)
}

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package load
import (
"encoding/json"
)
type LoadAvgStat struct {
Load1 float64 `json:"load1"`
Load5 float64 `json:"load5"`
Load15 float64 `json:"load15"`
}
func (l LoadAvgStat) String() string {
s, _ := json.Marshal(l)
return string(s)
}

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// +build darwin
package load
import (
"strconv"
common "github.com/shirou/gopsutil/common"
)
func LoadAvg() (*LoadAvgStat, error) {
values, err := common.DoSysctrl("vm.loadavg")
if err != nil {
return nil, err
}
load1, err := strconv.ParseFloat(values[0], 64)
if err != nil {
return nil, err
}
load5, err := strconv.ParseFloat(values[1], 64)
if err != nil {
return nil, err
}
load15, err := strconv.ParseFloat(values[2], 64)
if err != nil {
return nil, err
}
ret := &LoadAvgStat{
Load1: float64(load1),
Load5: float64(load5),
Load15: float64(load15),
}
return ret, nil
}

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// +build freebsd
package load
import (
"strconv"
common "github.com/shirou/gopsutil/common"
)
func LoadAvg() (*LoadAvgStat, error) {
values, err := common.DoSysctrl("vm.loadavg")
if err != nil {
return nil, err
}
load1, err := strconv.ParseFloat(values[0], 64)
if err != nil {
return nil, err
}
load5, err := strconv.ParseFloat(values[1], 64)
if err != nil {
return nil, err
}
load15, err := strconv.ParseFloat(values[2], 64)
if err != nil {
return nil, err
}
ret := &LoadAvgStat{
Load1: float64(load1),
Load5: float64(load5),
Load15: float64(load15),
}
return ret, nil
}

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// +build linux
package load
import (
"io/ioutil"
"strconv"
"strings"
)
func LoadAvg() (*LoadAvgStat, error) {
filename := "/proc/loadavg"
line, err := ioutil.ReadFile(filename)
if err != nil {
return nil, err
}
values := strings.Fields(string(line))
load1, err := strconv.ParseFloat(values[0], 64)
if err != nil {
return nil, err
}
load5, err := strconv.ParseFloat(values[1], 64)
if err != nil {
return nil, err
}
load15, err := strconv.ParseFloat(values[2], 64)
if err != nil {
return nil, err
}
ret := &LoadAvgStat{
Load1: load1,
Load5: load5,
Load15: load15,
}
return ret, nil
}

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@ -0,0 +1,30 @@
package load
import (
"fmt"
"testing"
)
func TestLoad(t *testing.T) {
v, err := LoadAvg()
if err != nil {
t.Errorf("error %v", err)
}
empty := &LoadAvgStat{}
if v == empty {
t.Errorf("error load: %v", v)
}
}
func TestLoadAvgStat_String(t *testing.T) {
v := LoadAvgStat{
Load1: 10.1,
Load5: 20.1,
Load15: 30.1,
}
e := `{"load1":10.1,"load5":20.1,"load15":30.1}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("LoadAvgStat string is invalid: %v", v)
}
}

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// +build windows
package load
import (
common "github.com/shirou/gopsutil/common"
)
func LoadAvg() (*LoadAvgStat, error) {
ret := LoadAvgStat{}
return &ret, common.NotImplementedError
}

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package mem
import (
"encoding/json"
)
type VirtualMemoryStat struct {
Total uint64 `json:"total"`
Available uint64 `json:"available"`
Used uint64 `json:"used"`
UsedPercent float64 `json:"used_percent"`
Free uint64 `json:"free"`
Active uint64 `json:"active"`
Inactive uint64 `json:"inactive"`
Buffers uint64 `json:"buffers"`
Cached uint64 `json:"cached"`
Wired uint64 `json:"wired"`
Shared uint64 `json:"shared"`
}
type SwapMemoryStat struct {
Total uint64 `json:"total"`
Used uint64 `json:"used"`
Free uint64 `json:"free"`
UsedPercent float64 `json:"used_percent"`
Sin uint64 `json:"sin"`
Sout uint64 `json:"sout"`
}
func (m VirtualMemoryStat) String() string {
s, _ := json.Marshal(m)
return string(s)
}
func (m SwapMemoryStat) String() string {
s, _ := json.Marshal(m)
return string(s)
}

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// +build darwin
package mem
import (
"os/exec"
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
)
func getPageSize() (uint64, error) {
out, err := exec.Command("pagesize").Output()
if err != nil {
return 0, err
}
o := strings.TrimSpace(string(out))
p, err := strconv.ParseUint(o, 10, 64)
if err != nil {
return 0, err
}
return p, nil
}
// VirtualMemory returns VirtualmemoryStat.
func VirtualMemory() (*VirtualMemoryStat, error) {
p, err := getPageSize()
if err != nil {
return nil, err
}
total, err := common.DoSysctrl("hw.memsize")
if err != nil {
return nil, err
}
free, err := common.DoSysctrl("vm.page_free_count")
if err != nil {
return nil, err
}
parsed := make([]uint64, 0, 7)
vv := []string{
total[0],
free[0],
}
for _, target := range vv {
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
ret := &VirtualMemoryStat{
Total: parsed[0],
Free: parsed[1] * p,
}
// TODO: platform independent (worked freebsd?)
ret.Available = ret.Free + ret.Buffers + ret.Cached
ret.Used = ret.Total - ret.Free
ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
return ret, nil
}
// SwapMemory returns swapinfo.
func SwapMemory() (*SwapMemoryStat, error) {
var ret *SwapMemoryStat
swapUsage, err := common.DoSysctrl("vm.swapusage")
if err != nil {
return ret, err
}
total := strings.Replace(swapUsage[2], "M", "", 1)
used := strings.Replace(swapUsage[5], "M", "", 1)
free := strings.Replace(swapUsage[8], "M", "", 1)
total_v, err := strconv.ParseFloat(total, 64)
if err != nil {
return nil, err
}
used_v, err := strconv.ParseFloat(used, 64)
if err != nil {
return nil, err
}
free_v, err := strconv.ParseFloat(free, 64)
if err != nil {
return nil, err
}
u := float64(0)
if total_v != 0 {
u = ((total_v - free_v) / total_v) * 100.0
}
// vm.swapusage shows "M", multiply 1000
ret = &SwapMemoryStat{
Total: uint64(total_v * 1000),
Used: uint64(used_v * 1000),
Free: uint64(free_v * 1000),
UsedPercent: u,
}
return ret, nil
}

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// +build freebsd
package mem
import (
"os/exec"
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
)
func VirtualMemory() (*VirtualMemoryStat, error) {
pageSize, err := common.DoSysctrl("vm.stats.vm.v_page_size")
if err != nil {
return nil, err
}
p, err := strconv.ParseUint(pageSize[0], 10, 64)
if err != nil {
return nil, err
}
pageCount, err := common.DoSysctrl("vm.stats.vm.v_page_count")
if err != nil {
return nil, err
}
free, err := common.DoSysctrl("vm.stats.vm.v_free_count")
if err != nil {
return nil, err
}
active, err := common.DoSysctrl("vm.stats.vm.v_active_count")
if err != nil {
return nil, err
}
inactive, err := common.DoSysctrl("vm.stats.vm.v_inactive_count")
if err != nil {
return nil, err
}
cache, err := common.DoSysctrl("vm.stats.vm.v_cache_count")
if err != nil {
return nil, err
}
buffer, err := common.DoSysctrl("vfs.bufspace")
if err != nil {
return nil, err
}
wired, err := common.DoSysctrl("vm.stats.vm.v_wire_count")
if err != nil {
return nil, err
}
parsed := make([]uint64, 0, 7)
vv := []string{
pageCount[0],
free[0],
active[0],
inactive[0],
cache[0],
buffer[0],
wired[0],
}
for _, target := range vv {
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
ret := &VirtualMemoryStat{
Total: parsed[0] * p,
Free: parsed[1] * p,
Active: parsed[2] * p,
Inactive: parsed[3] * p,
Cached: parsed[4] * p,
Buffers: parsed[5],
Wired: parsed[6] * p,
}
// TODO: platform independent (worked freebsd?)
ret.Available = ret.Free + ret.Buffers + ret.Cached
ret.Used = ret.Total - ret.Free
ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
return ret, nil
}
// Return swapinfo
// FreeBSD can have multiple swap devices. but use only first device
func SwapMemory() (*SwapMemoryStat, error) {
out, err := exec.Command("swapinfo").Output()
if err != nil {
return nil, err
}
var ret *SwapMemoryStat
for _, line := range strings.Split(string(out), "\n") {
values := strings.Fields(line)
// skip title line
if len(values) == 0 || values[0] == "Device" {
continue
}
u := strings.Replace(values[4], "%", "", 1)
total_v, err := strconv.ParseUint(values[1], 10, 64)
if err != nil {
return nil, err
}
used_v, err := strconv.ParseUint(values[2], 10, 64)
if err != nil {
return nil, err
}
free_v, err := strconv.ParseUint(values[3], 10, 64)
if err != nil {
return nil, err
}
up_v, err := strconv.ParseFloat(u, 64)
if err != nil {
return nil, err
}
ret = &SwapMemoryStat{
Total: total_v,
Used: used_v,
Free: free_v,
UsedPercent: up_v,
}
}
return ret, nil
}

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// +build linux
package mem
import (
"strconv"
"strings"
"syscall"
common "github.com/shirou/gopsutil/common"
)
func VirtualMemory() (*VirtualMemoryStat, error) {
filename := "/proc/meminfo"
lines, _ := common.ReadLines(filename)
ret := &VirtualMemoryStat{}
for _, line := range lines {
fields := strings.Split(line, ":")
if len(fields) != 2 {
continue
}
key := strings.TrimSpace(fields[0])
value := strings.TrimSpace(fields[1])
value = strings.Replace(value, " kB", "", -1)
t, err := strconv.ParseUint(value, 10, 64)
if err != nil {
return ret, err
}
switch key {
case "MemTotal":
ret.Total = t * 1024
case "MemFree":
ret.Free = t * 1024
case "Buffers":
ret.Buffers = t * 1024
case "Cached":
ret.Cached = t * 1024
case "Active":
ret.Active = t * 1024
case "Inactive":
ret.Inactive = t * 1024
}
}
ret.Available = ret.Free + ret.Buffers + ret.Cached
ret.Used = ret.Total - ret.Free
ret.UsedPercent = float64(ret.Total-ret.Available) / float64(ret.Total) * 100.0
return ret, nil
}
func SwapMemory() (*SwapMemoryStat, error) {
sysinfo := &syscall.Sysinfo_t{}
if err := syscall.Sysinfo(sysinfo); err != nil {
return nil, err
}
ret := &SwapMemoryStat{
Total: uint64(sysinfo.Totalswap),
Free: uint64(sysinfo.Freeswap),
}
ret.Used = ret.Total - ret.Free
//check Infinity
if ret.Total != 0 {
ret.UsedPercent = float64(ret.Total-ret.Free) / float64(ret.Total) * 100.0
} else {
ret.UsedPercent = 0
}
lines, _ := common.ReadLines("/proc/vmstat")
for _, l := range lines {
fields := strings.Fields(l)
if len(fields) < 2 {
continue
}
switch fields[0] {
case "pswpin":
value, err := strconv.ParseUint(fields[1], 10, 64)
if err != nil {
continue
}
ret.Sin = value * 4 * 1024
case "pswpout":
value, err := strconv.ParseUint(fields[1], 10, 64)
if err != nil {
continue
}
ret.Sout = value * 4 * 1024
}
}
return ret, nil
}

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package mem
import (
"fmt"
"testing"
)
func TestVirtual_memory(t *testing.T) {
v, err := VirtualMemory()
if err != nil {
t.Errorf("error %v", err)
}
empty := &VirtualMemoryStat{}
if v == empty {
t.Errorf("error %v", v)
}
}
func TestSwap_memory(t *testing.T) {
v, err := SwapMemory()
if err != nil {
t.Errorf("error %v", err)
}
empty := &SwapMemoryStat{}
if v == empty {
t.Errorf("error %v", v)
}
}
func TestVirtualMemoryStat_String(t *testing.T) {
v := VirtualMemoryStat{
Total: 10,
Available: 20,
Used: 30,
UsedPercent: 30.1,
Free: 40,
}
e := `{"total":10,"available":20,"used":30,"used_percent":30.1,"free":40,"active":0,"inactive":0,"buffers":0,"cached":0,"wired":0,"shared":0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("VirtualMemoryStat string is invalid: %v", v)
}
}
func TestSwapMemoryStat_String(t *testing.T) {
v := SwapMemoryStat{
Total: 10,
Used: 30,
Free: 40,
UsedPercent: 30.1,
}
e := `{"total":10,"used":30,"free":40,"used_percent":30.1,"sin":0,"sout":0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("SwapMemoryStat string is invalid: %v", v)
}
}

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// +build windows
package mem
import (
"syscall"
"unsafe"
common "github.com/shirou/gopsutil/common"
)
var (
procGlobalMemoryStatusEx = common.Modkernel32.NewProc("GlobalMemoryStatusEx")
)
type MEMORYSTATUSEX struct {
cbSize uint32
dwMemoryLoad uint32
ullTotalPhys uint64 // in bytes
ullAvailPhys uint64
ullTotalPageFile uint64
ullAvailPageFile uint64
ullTotalVirtual uint64
ullAvailVirtual uint64
ullAvailExtendedVirtual uint64
}
func VirtualMemory() (*VirtualMemoryStat, error) {
var memInfo MEMORYSTATUSEX
memInfo.cbSize = uint32(unsafe.Sizeof(memInfo))
mem, _, _ := procGlobalMemoryStatusEx.Call(uintptr(unsafe.Pointer(&memInfo)))
if mem == 0 {
return nil, syscall.GetLastError()
}
ret := &VirtualMemoryStat{
Total: memInfo.ullTotalPhys,
Available: memInfo.ullAvailPhys,
UsedPercent: float64(memInfo.dwMemoryLoad),
}
ret.Used = ret.Total - ret.Available
return ret, nil
}
func SwapMemory() (*SwapMemoryStat, error) {
ret := &SwapMemoryStat{}
return ret, nil
}

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package net
import (
"encoding/json"
"fmt"
"net"
"strconv"
"strings"
"syscall"
"github.com/shirou/gopsutil/common"
)
var invoke common.Invoker
func init() {
invoke = common.Invoke{}
}
type NetIOCountersStat struct {
Name string `json:"name"` // interface name
BytesSent uint64 `json:"bytes_sent"` // number of bytes sent
BytesRecv uint64 `json:"bytes_recv"` // number of bytes received
PacketsSent uint64 `json:"packets_sent"` // number of packets sent
PacketsRecv uint64 `json:"packets_recv"` // number of packets received
Errin uint64 `json:"errin"` // total number of errors while receiving
Errout uint64 `json:"errout"` // total number of errors while sending
Dropin uint64 `json:"dropin"` // total number of incoming packets which were dropped
Dropout uint64 `json:"dropout"` // total number of outgoing packets which were dropped (always 0 on OSX and BSD)
}
// Addr is implemented compatibility to psutil
type Addr struct {
IP string `json:"ip"`
Port uint32 `json:"port"`
}
type NetConnectionStat struct {
Fd uint32 `json:"fd"`
Family uint32 `json:"family"`
Type uint32 `json:"type"`
Laddr Addr `json:"localaddr"`
Raddr Addr `json:"remoteaddr"`
Status string `json:"status"`
Pid int32 `json:"pid"`
}
// NetInterfaceAddr is designed for represent interface addresses
type NetInterfaceAddr struct {
Addr string `json:"addr"`
}
type NetInterfaceStat struct {
MTU int `json:"mtu"` // maximum transmission unit
Name string `json:"name"` // e.g., "en0", "lo0", "eth0.100"
HardwareAddr string `json:"hardwareaddr"` // IEEE MAC-48, EUI-48 and EUI-64 form
Flags []string `json:"flags"` // e.g., FlagUp, FlagLoopback, FlagMulticast
Addrs []NetInterfaceAddr `json:"addrs"`
}
var constMap = map[string]int{
"TCP": syscall.SOCK_STREAM,
"UDP": syscall.SOCK_DGRAM,
"IPv4": syscall.AF_INET,
"IPv6": syscall.AF_INET6,
}
func (n NetIOCountersStat) String() string {
s, _ := json.Marshal(n)
return string(s)
}
func (n NetConnectionStat) String() string {
s, _ := json.Marshal(n)
return string(s)
}
func (a Addr) String() string {
s, _ := json.Marshal(a)
return string(s)
}
func (n NetInterfaceStat) String() string {
s, _ := json.Marshal(n)
return string(s)
}
func (n NetInterfaceAddr) String() string {
s, _ := json.Marshal(n)
return string(s)
}
func NetInterfaces() ([]NetInterfaceStat, error) {
is, err := net.Interfaces()
if err != nil {
return nil, err
}
ret := make([]NetInterfaceStat, 0, len(is))
for _, ifi := range is {
var flags []string
if ifi.Flags&net.FlagUp != 0 {
flags = append(flags, "up")
}
if ifi.Flags&net.FlagBroadcast != 0 {
flags = append(flags, "broadcast")
}
if ifi.Flags&net.FlagLoopback != 0 {
flags = append(flags, "loopback")
}
if ifi.Flags&net.FlagPointToPoint != 0 {
flags = append(flags, "pointtopoint")
}
if ifi.Flags&net.FlagMulticast != 0 {
flags = append(flags, "multicast")
}
r := NetInterfaceStat{
Name: ifi.Name,
MTU: ifi.MTU,
HardwareAddr: ifi.HardwareAddr.String(),
Flags: flags,
}
addrs, err := ifi.Addrs()
if err == nil {
r.Addrs = make([]NetInterfaceAddr, 0, len(addrs))
for _, addr := range addrs {
r.Addrs = append(r.Addrs, NetInterfaceAddr{
Addr: addr.String(),
})
}
}
ret = append(ret, r)
}
return ret, nil
}
func getNetIOCountersAll(n []NetIOCountersStat) ([]NetIOCountersStat, error) {
r := NetIOCountersStat{
Name: "all",
}
for _, nic := range n {
r.BytesRecv += nic.BytesRecv
r.PacketsRecv += nic.PacketsRecv
r.Errin += nic.Errin
r.Dropin += nic.Dropin
r.BytesSent += nic.BytesSent
r.PacketsSent += nic.PacketsSent
r.Errout += nic.Errout
r.Dropout += nic.Dropout
}
return []NetIOCountersStat{r}, nil
}
func parseNetLine(line string) (NetConnectionStat, error) {
f := strings.Fields(line)
if len(f) < 9 {
return NetConnectionStat{}, fmt.Errorf("wrong line,%s", line)
}
pid, err := strconv.Atoi(f[1])
if err != nil {
return NetConnectionStat{}, err
}
fd, err := strconv.Atoi(strings.Trim(f[3], "u"))
if err != nil {
return NetConnectionStat{}, fmt.Errorf("unknown fd, %s", f[3])
}
netFamily, ok := constMap[f[4]]
if !ok {
return NetConnectionStat{}, fmt.Errorf("unknown family, %s", f[4])
}
netType, ok := constMap[f[7]]
if !ok {
return NetConnectionStat{}, fmt.Errorf("unknown type, %s", f[7])
}
laddr, raddr, err := parseNetAddr(f[8])
if err != nil {
return NetConnectionStat{}, fmt.Errorf("failed to parse netaddr, %s", f[8])
}
n := NetConnectionStat{
Fd: uint32(fd),
Family: uint32(netFamily),
Type: uint32(netType),
Laddr: laddr,
Raddr: raddr,
Pid: int32(pid),
}
if len(f) == 10 {
n.Status = strings.Trim(f[9], "()")
}
return n, nil
}
func parseNetAddr(line string) (laddr Addr, raddr Addr, err error) {
parse := func(l string) (Addr, error) {
host, port, err := net.SplitHostPort(l)
if err != nil {
return Addr{}, fmt.Errorf("wrong addr, %s", l)
}
lport, err := strconv.Atoi(port)
if err != nil {
return Addr{}, err
}
return Addr{IP: host, Port: uint32(lport)}, nil
}
addrs := strings.Split(line, "->")
if len(addrs) == 0 {
return laddr, raddr, fmt.Errorf("wrong netaddr, %s", line)
}
laddr, err = parse(addrs[0])
if len(addrs) == 2 { // remote addr exists
raddr, err = parse(addrs[1])
if err != nil {
return laddr, raddr, err
}
}
return laddr, raddr, err
}

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// +build darwin
package net
import (
"os/exec"
"strconv"
"strings"
"github.com/shirou/gopsutil/common"
)
// example of netstat -idbn output on yosemite
// Name Mtu Network Address Ipkts Ierrs Ibytes Opkts Oerrs Obytes Coll Drop
// lo0 16384 <Link#1> 869107 0 169411755 869107 0 169411755 0 0
// lo0 16384 ::1/128 ::1 869107 - 169411755 869107 - 169411755 - -
// lo0 16384 127 127.0.0.1 869107 - 169411755 869107 - 169411755 - -
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
out, err := exec.Command("/usr/sbin/netstat", "-ibdn").Output()
if err != nil {
return nil, err
}
lines := strings.Split(string(out), "\n")
ret := make([]NetIOCountersStat, 0, len(lines)-1)
exists := make([]string, 0, len(ret))
for _, line := range lines {
values := strings.Fields(line)
if len(values) < 1 || values[0] == "Name" {
// skip first line
continue
}
if common.StringsHas(exists, values[0]) {
// skip if already get
continue
}
exists = append(exists, values[0])
base := 1
// sometimes Address is ommitted
if len(values) < 11 {
base = 0
}
parsed := make([]uint64, 0, 7)
vv := []string{
values[base+3], // Ipkts == PacketsRecv
values[base+4], // Ierrs == Errin
values[base+5], // Ibytes == BytesRecv
values[base+6], // Opkts == PacketsSent
values[base+7], // Oerrs == Errout
values[base+8], // Obytes == BytesSent
}
if len(values) == 12 {
vv = append(vv, values[base+10])
}
for _, target := range vv {
if target == "-" {
parsed = append(parsed, 0)
continue
}
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
n := NetIOCountersStat{
Name: values[0],
PacketsRecv: parsed[0],
Errin: parsed[1],
BytesRecv: parsed[2],
PacketsSent: parsed[3],
Errout: parsed[4],
BytesSent: parsed[5],
}
if len(parsed) == 7 {
n.Dropout = parsed[6]
}
ret = append(ret, n)
}
if pernic == false {
return getNetIOCountersAll(ret)
}
return ret, nil
}
// Return a list of network connections opened by a process
func NetConnections(kind string) ([]NetConnectionStat, error) {
var ret []NetConnectionStat
args := []string{"-i"}
switch strings.ToLower(kind) {
default:
fallthrough
case "":
fallthrough
case "all":
fallthrough
case "inet":
args = append(args, "tcp")
case "inet4":
args = append(args, "4")
case "inet6":
args = append(args, "6")
case "tcp":
args = append(args, "tcp")
case "tcp4":
args = append(args, "4tcp")
case "tcp6":
args = append(args, "6tcp")
case "udp":
args = append(args, "udp")
case "udp4":
args = append(args, "6udp")
case "udp6":
args = append(args, "6udp")
case "unix":
return ret, common.NotImplementedError
}
// we can not use -F filter to get all of required information at once.
r, err := common.CallLsof(invoke, 0, args...)
if err != nil {
return nil, err
}
for _, rr := range r {
if strings.HasPrefix(rr, "COMMAND") {
continue
}
n, err := parseNetLine(rr)
if err != nil {
// fmt.Println(err) // TODO: should debug print?
continue
}
ret = append(ret, n)
}
return ret, nil
}

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// +build freebsd
package net
import (
"os/exec"
"strconv"
"strings"
"github.com/shirou/gopsutil/common"
)
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
out, err := exec.Command("/usr/bin/netstat", "-ibdn").Output()
if err != nil {
return nil, err
}
lines := strings.Split(string(out), "\n")
ret := make([]NetIOCountersStat, 0, len(lines)-1)
exists := make([]string, 0, len(ret))
for _, line := range lines {
values := strings.Fields(line)
if len(values) < 1 || values[0] == "Name" {
continue
}
if common.StringsHas(exists, values[0]) {
// skip if already get
continue
}
exists = append(exists, values[0])
base := 1
// sometimes Address is ommitted
if len(values) < 13 {
base = 0
}
parsed := make([]uint64, 0, 8)
vv := []string{
values[base+3], // PacketsRecv
values[base+4], // Errin
values[base+5], // Dropin
values[base+6], // BytesRecvn
values[base+7], // PacketSent
values[base+8], // Errout
values[base+9], // BytesSent
values[base+11], // Dropout
}
for _, target := range vv {
if target == "-" {
parsed = append(parsed, 0)
continue
}
t, err := strconv.ParseUint(target, 10, 64)
if err != nil {
return nil, err
}
parsed = append(parsed, t)
}
n := NetIOCountersStat{
Name: values[0],
PacketsRecv: parsed[0],
Errin: parsed[1],
Dropin: parsed[2],
BytesRecv: parsed[3],
PacketsSent: parsed[4],
Errout: parsed[5],
BytesSent: parsed[6],
Dropout: parsed[7],
}
ret = append(ret, n)
}
if pernic == false {
return getNetIOCountersAll(ret)
}
return ret, nil
}
func NetConnections(kind string) ([]NetConnectionStat, error) {
var ret []NetConnectionStat
return ret, common.NotImplementedError
}

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// +build linux
package net
import (
"strconv"
"strings"
common "github.com/shirou/gopsutil/common"
)
// NetIOCounters returnes network I/O statistics for every network
// interface installed on the system. If pernic argument is false,
// return only sum of all information (which name is 'all'). If true,
// every network interface installed on the system is returned
// separately.
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
filename := "/proc/net/dev"
lines, err := common.ReadLines(filename)
if err != nil {
return nil, err
}
statlen := len(lines) - 1
ret := make([]NetIOCountersStat, 0, statlen)
for _, line := range lines[2:] {
parts := strings.SplitN(line, ":", 2)
if len(parts) != 2 {
continue
}
interfaceName := strings.TrimSpace(parts[0])
if interfaceName == "" {
continue
}
fields := strings.Fields(strings.TrimSpace(parts[1]))
bytesRecv, err := strconv.ParseUint(fields[0], 10, 64)
if err != nil {
return ret, err
}
packetsRecv, err := strconv.ParseUint(fields[1], 10, 64)
if err != nil {
return ret, err
}
errIn, err := strconv.ParseUint(fields[2], 10, 64)
if err != nil {
return ret, err
}
dropIn, err := strconv.ParseUint(fields[3], 10, 64)
if err != nil {
return ret, err
}
bytesSent, err := strconv.ParseUint(fields[8], 10, 64)
if err != nil {
return ret, err
}
packetsSent, err := strconv.ParseUint(fields[9], 10, 64)
if err != nil {
return ret, err
}
errOut, err := strconv.ParseUint(fields[10], 10, 64)
if err != nil {
return ret, err
}
dropOut, err := strconv.ParseUint(fields[13], 10, 64)
if err != nil {
return ret, err
}
nic := NetIOCountersStat{
Name: interfaceName,
BytesRecv: bytesRecv,
PacketsRecv: packetsRecv,
Errin: errIn,
Dropin: dropIn,
BytesSent: bytesSent,
PacketsSent: packetsSent,
Errout: errOut,
Dropout: dropOut,
}
ret = append(ret, nic)
}
if pernic == false {
return getNetIOCountersAll(ret)
}
return ret, nil
}
func NetConnections(kind string) ([]NetConnectionStat, error) {
var ret []NetConnectionStat
args := []string{"-i"}
switch strings.ToLower(kind) {
default:
fallthrough
case "":
fallthrough
case "all":
fallthrough
case "inet":
args = append(args, "tcp")
case "inet4":
args = append(args, "4")
case "inet6":
args = append(args, "6")
case "tcp":
args = append(args, "tcp")
case "tcp4":
args = append(args, "4tcp")
case "tcp6":
args = append(args, "6tcp")
case "udp":
args = append(args, "udp")
case "udp4":
args = append(args, "6udp")
case "udp6":
args = append(args, "6udp")
case "unix":
return ret, common.NotImplementedError
}
// we can not use -F filter to get all of required information at once.
r, err := common.CallLsof(invoke, 0, args...)
if err != nil {
return nil, err
}
for _, rr := range r {
if strings.HasPrefix(rr, "COMMAND") {
continue
}
n, err := parseNetLine(rr)
if err != nil {
// fmt.Println(err) // TODO: should debug print?
continue
}
ret = append(ret, n)
}
return ret, nil
}

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package net
import (
"fmt"
"os"
"testing"
)
func TestAddrString(t *testing.T) {
v := Addr{IP: "192.168.0.1", Port: 8000}
s := fmt.Sprintf("%v", v)
if s != "{\"ip\":\"192.168.0.1\",\"port\":8000}" {
t.Errorf("Addr string is invalid: %v", v)
}
}
func TestNetIOCountersStatString(t *testing.T) {
v := NetIOCountersStat{
Name: "test",
BytesSent: 100,
}
e := `{"name":"test","bytes_sent":100,"bytes_recv":0,"packets_sent":0,"packets_recv":0,"errin":0,"errout":0,"dropin":0,"dropout":0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("NetIOCountersStat string is invalid: %v", v)
}
}
func TestNetConnectionStatString(t *testing.T) {
v := NetConnectionStat{
Fd: 10,
Family: 10,
Type: 10,
}
e := `{"fd":10,"family":10,"type":10,"localaddr":{"ip":"","port":0},"remoteaddr":{"ip":"","port":0},"status":"","pid":0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("NetConnectionStat string is invalid: %v", v)
}
}
func TestNetIOCountersAll(t *testing.T) {
v, err := NetIOCounters(false)
per, err := NetIOCounters(true)
if err != nil {
t.Errorf("Could not get NetIOCounters: %v", err)
}
if len(v) != 1 {
t.Errorf("Could not get NetIOCounters: %v", v)
}
if v[0].Name != "all" {
t.Errorf("Invalid NetIOCounters: %v", v)
}
var pr uint64
for _, p := range per {
pr += p.PacketsRecv
}
if v[0].PacketsRecv != pr {
t.Errorf("invalid sum value: %v, %v", v[0].PacketsRecv, pr)
}
}
func TestNetIOCountersPerNic(t *testing.T) {
v, err := NetIOCounters(true)
if err != nil {
t.Errorf("Could not get NetIOCounters: %v", err)
}
if len(v) == 0 {
t.Errorf("Could not get NetIOCounters: %v", v)
}
for _, vv := range v {
if vv.Name == "" {
t.Errorf("Invalid NetIOCounters: %v", vv)
}
}
}
func Test_getNetIOCountersAll(t *testing.T) {
n := []NetIOCountersStat{
NetIOCountersStat{
Name: "a",
BytesRecv: 10,
PacketsRecv: 10,
},
NetIOCountersStat{
Name: "b",
BytesRecv: 10,
PacketsRecv: 10,
Errin: 10,
},
}
ret, err := getNetIOCountersAll(n)
if err != nil {
t.Error(err)
}
if len(ret) != 1 {
t.Errorf("invalid return count")
}
if ret[0].Name != "all" {
t.Errorf("invalid return name")
}
if ret[0].BytesRecv != 20 {
t.Errorf("invalid count bytesrecv")
}
if ret[0].Errin != 10 {
t.Errorf("invalid count errin")
}
}
func TestNetInterfaces(t *testing.T) {
v, err := NetInterfaces()
if err != nil {
t.Errorf("Could not get NetInterfaceStat: %v", err)
}
if len(v) == 0 {
t.Errorf("Could not get NetInterfaceStat: %v", err)
}
for _, vv := range v {
if vv.Name == "" {
t.Errorf("Invalid NetInterface: %v", vv)
}
}
}
func TestNetConnections(t *testing.T) {
if ci := os.Getenv("CI"); ci != "" { // skip if test on drone.io
return
}
v, err := NetConnections("inet")
if err != nil {
t.Errorf("could not get NetConnections: %v", err)
}
if len(v) == 0 {
t.Errorf("could not get NetConnections: %v", v)
}
for _, vv := range v {
if vv.Family == 0 {
t.Errorf("invalid NetConnections: %v", vv)
}
}
}

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// +build windows
package net
import (
"net"
"os"
"syscall"
"unsafe"
common "github.com/shirou/gopsutil/common"
)
var (
modiphlpapi = syscall.NewLazyDLL("iphlpapi.dll")
procGetExtendedTcpTable = modiphlpapi.NewProc("GetExtendedTcpTable")
procGetExtendedUdpTable = modiphlpapi.NewProc("GetExtendedUdpTable")
)
const (
TCPTableBasicListener = iota
TCPTableBasicConnections
TCPTableBasicAll
TCPTableOwnerPIDListener
TCPTableOwnerPIDConnections
TCPTableOwnerPIDAll
TCPTableOwnerModuleListener
TCPTableOwnerModuleConnections
TCPTableOwnerModuleAll
)
func NetIOCounters(pernic bool) ([]NetIOCountersStat, error) {
ifs, err := net.Interfaces()
if err != nil {
return nil, err
}
ai, err := getAdapterList()
if err != nil {
return nil, err
}
var ret []NetIOCountersStat
for _, ifi := range ifs {
name := ifi.Name
for ; ai != nil; ai = ai.Next {
name = common.BytePtrToString(&ai.Description[0])
c := NetIOCountersStat{
Name: name,
}
row := syscall.MibIfRow{Index: ai.Index}
e := syscall.GetIfEntry(&row)
if e != nil {
return nil, os.NewSyscallError("GetIfEntry", e)
}
c.BytesSent = uint64(row.OutOctets)
c.BytesRecv = uint64(row.InOctets)
c.PacketsSent = uint64(row.OutUcastPkts)
c.PacketsRecv = uint64(row.InUcastPkts)
c.Errin = uint64(row.InErrors)
c.Errout = uint64(row.OutErrors)
c.Dropin = uint64(row.InDiscards)
c.Dropout = uint64(row.OutDiscards)
ret = append(ret, c)
}
}
if pernic == false {
return getNetIOCountersAll(ret)
}
return ret, nil
}
// Return a list of network connections opened by a process
func NetConnections(kind string) ([]NetConnectionStat, error) {
var ret []NetConnectionStat
return ret, common.NotImplementedError
}
// borrowed from src/pkg/net/interface_windows.go
func getAdapterList() (*syscall.IpAdapterInfo, error) {
b := make([]byte, 1000)
l := uint32(len(b))
a := (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
err := syscall.GetAdaptersInfo(a, &l)
if err == syscall.ERROR_BUFFER_OVERFLOW {
b = make([]byte, l)
a = (*syscall.IpAdapterInfo)(unsafe.Pointer(&b[0]))
err = syscall.GetAdaptersInfo(a, &l)
}
if err != nil {
return nil, os.NewSyscallError("GetAdaptersInfo", err)
}
return a, nil
}