open-consul/vendor/github.com/shirou/gopsutil/process/process_windows.go

438 lines
11 KiB
Go

// +build windows
package process
import (
"errors"
"fmt"
"strings"
"syscall"
"time"
"unsafe"
"github.com/StackExchange/wmi"
"github.com/shirou/w32"
cpu "github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/internal/common"
net "github.com/shirou/gopsutil/net"
)
const (
NoMoreFiles = 0x12
MaxPathLength = 260
)
var (
modpsapi = syscall.NewLazyDLL("psapi.dll")
procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo")
)
type SystemProcessInformation struct {
NextEntryOffset uint64
NumberOfThreads uint64
Reserved1 [48]byte
Reserved2 [3]byte
UniqueProcessID uintptr
Reserved3 uintptr
HandleCount uint64
Reserved4 [4]byte
Reserved5 [11]byte
PeakPagefileUsage uint64
PrivatePageCount uint64
Reserved6 [6]uint64
}
// Memory_info_ex is different between OSes
type MemoryInfoExStat struct {
}
type MemoryMapsStat struct {
}
type Win32_Process struct {
Name string
ExecutablePath *string
CommandLine *string
Priority uint32
CreationDate *time.Time
ProcessID uint32
ThreadCount uint32
Status *string
ReadOperationCount uint64
ReadTransferCount uint64
WriteOperationCount uint64
WriteTransferCount uint64
/*
CSCreationClassName string
CSName string
Caption *string
CreationClassName string
Description *string
ExecutionState *uint16
HandleCount uint32
KernelModeTime uint64
MaximumWorkingSetSize *uint32
MinimumWorkingSetSize *uint32
OSCreationClassName string
OSName string
OtherOperationCount uint64
OtherTransferCount uint64
PageFaults uint32
PageFileUsage uint32
ParentProcessID uint32
PeakPageFileUsage uint32
PeakVirtualSize uint64
PeakWorkingSetSize uint32
PrivatePageCount uint64
TerminationDate *time.Time
UserModeTime uint64
WorkingSetSize uint64
*/
}
func Pids() ([]int32, error) {
var ret []int32
procs, err := processes()
if err != nil {
return ret, nil
}
for _, proc := range procs {
ret = append(ret, proc.Pid)
}
return ret, nil
}
func (p *Process) Ppid() (int32, error) {
ret, _, _, err := p.getFromSnapProcess(p.Pid)
if err != nil {
return 0, err
}
return ret, nil
}
func GetWin32Proc(pid int32) ([]Win32_Process, error) {
var dst []Win32_Process
query := fmt.Sprintf("WHERE ProcessId = %d", pid)
q := wmi.CreateQuery(&dst, query)
err := wmi.Query(q, &dst)
if err != nil {
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: %s", err)
}
if len(dst) != 1 {
return []Win32_Process{}, fmt.Errorf("could not get win32Proc: empty")
}
return dst, nil
}
func (p *Process) Name() (string, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil {
return "", fmt.Errorf("could not get Name: %s", err)
}
return dst[0].Name, nil
}
func (p *Process) Exe() (string, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil {
return "", fmt.Errorf("could not get ExecutablePath: %s", err)
}
return *dst[0].ExecutablePath, nil
}
func (p *Process) Cmdline() (string, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil {
return "", fmt.Errorf("could not get CommandLine: %s", err)
}
return *dst[0].CommandLine, nil
}
// CmdlineSlice returns the command line arguments of the process as a slice with each
// element being an argument. This merely returns the CommandLine informations passed
// to the process split on the 0x20 ASCII character.
func (p *Process) CmdlineSlice() ([]string, error) {
cmdline, err := p.Cmdline()
if err != nil {
return nil, err
}
return strings.Split(cmdline, " "), nil
}
func (p *Process) CreateTime() (int64, error) {
ru, err := getRusage(p.Pid)
if err != nil {
return 0, fmt.Errorf("could not get CreationDate: %s", err)
}
return ru.CreationTime.Nanoseconds() / 1000000, nil
}
func (p *Process) Cwd() (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) Parent() (*Process, error) {
return p, common.ErrNotImplementedError
}
func (p *Process) Status() (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) Username() (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) Uids() ([]int32, error) {
var uids []int32
return uids, common.ErrNotImplementedError
}
func (p *Process) Gids() ([]int32, error) {
var gids []int32
return gids, common.ErrNotImplementedError
}
func (p *Process) Terminal() (string, error) {
return "", common.ErrNotImplementedError
}
// Nice returnes priority in Windows
func (p *Process) Nice() (int32, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil {
return 0, fmt.Errorf("could not get Priority: %s", err)
}
return int32(dst[0].Priority), nil
}
func (p *Process) IOnice() (int32, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) Rlimit() ([]RlimitStat, error) {
var rlimit []RlimitStat
return rlimit, common.ErrNotImplementedError
}
func (p *Process) IOCounters() (*IOCountersStat, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil || len(dst) == 0 {
return nil, fmt.Errorf("could not get Win32Proc: %s", err)
}
ret := &IOCountersStat{
ReadCount: uint64(dst[0].ReadOperationCount),
ReadBytes: uint64(dst[0].ReadTransferCount),
WriteCount: uint64(dst[0].WriteOperationCount),
WriteBytes: uint64(dst[0].WriteTransferCount),
}
return ret, nil
}
func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) NumFDs() (int32, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) NumThreads() (int32, error) {
dst, err := GetWin32Proc(p.Pid)
if err != nil {
return 0, fmt.Errorf("could not get ThreadCount: %s", err)
}
return int32(dst[0].ThreadCount), nil
}
func (p *Process) Threads() (map[string]string, error) {
ret := make(map[string]string, 0)
return ret, common.ErrNotImplementedError
}
func (p *Process) Times() (*cpu.TimesStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) CPUAffinity() ([]int32, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
mem, err := getMemoryInfo(p.Pid)
if err != nil {
return nil, err
}
ret := &MemoryInfoStat{
RSS: uint64(mem.WorkingSetSize),
VMS: uint64(mem.PagefileUsage),
}
return ret, nil
}
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) Children() ([]*Process, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) Connections() ([]net.ConnectionStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) IsRunning() (bool, error) {
return true, common.ErrNotImplementedError
}
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
var ret []MemoryMapsStat
return &ret, common.ErrNotImplementedError
}
func NewProcess(pid int32) (*Process, error) {
p := &Process{Pid: pid}
return p, nil
}
func (p *Process) SendSignal(sig syscall.Signal) error {
return common.ErrNotImplementedError
}
func (p *Process) Suspend() error {
return common.ErrNotImplementedError
}
func (p *Process) Resume() error {
return common.ErrNotImplementedError
}
func (p *Process) Terminate() error {
// PROCESS_TERMINATE = 0x0001
proc := w32.OpenProcess(0x0001, false, uint32(p.Pid))
ret := w32.TerminateProcess(proc, 0)
w32.CloseHandle(proc)
if ret == false {
return syscall.GetLastError()
} else {
return nil
}
}
func (p *Process) Kill() error {
return common.ErrNotImplementedError
}
func (p *Process) getFromSnapProcess(pid int32) (int32, int32, string, error) {
snap := w32.CreateToolhelp32Snapshot(w32.TH32CS_SNAPPROCESS, uint32(pid))
if snap == 0 {
return 0, 0, "", syscall.GetLastError()
}
defer w32.CloseHandle(snap)
var pe32 w32.PROCESSENTRY32
pe32.DwSize = uint32(unsafe.Sizeof(pe32))
if w32.Process32First(snap, &pe32) == false {
return 0, 0, "", syscall.GetLastError()
}
if pe32.Th32ProcessID == uint32(pid) {
szexe := syscall.UTF16ToString(pe32.SzExeFile[:])
return int32(pe32.Th32ParentProcessID), int32(pe32.CntThreads), szexe, nil
}
for w32.Process32Next(snap, &pe32) {
if pe32.Th32ProcessID == uint32(pid) {
szexe := syscall.UTF16ToString(pe32.SzExeFile[:])
return int32(pe32.Th32ParentProcessID), int32(pe32.CntThreads), szexe, nil
}
}
return 0, 0, "", errors.New("Couldn't find pid:" + string(pid))
}
// Get processes
func processes() ([]*Process, error) {
var dst []Win32_Process
q := wmi.CreateQuery(&dst, "")
err := wmi.Query(q, &dst)
if err != nil {
return []*Process{}, err
}
if len(dst) == 0 {
return []*Process{}, fmt.Errorf("could not get Process")
}
results := make([]*Process, 0, len(dst))
for _, proc := range dst {
p, err := NewProcess(int32(proc.ProcessID))
if err != nil {
continue
}
results = append(results, p)
}
return results, nil
}
func getProcInfo(pid int32) (*SystemProcessInformation, error) {
initialBufferSize := uint64(0x4000)
bufferSize := initialBufferSize
buffer := make([]byte, bufferSize)
var sysProcInfo SystemProcessInformation
ret, _, _ := common.ProcNtQuerySystemInformation.Call(
uintptr(unsafe.Pointer(&sysProcInfo)),
uintptr(unsafe.Pointer(&buffer[0])),
uintptr(unsafe.Pointer(&bufferSize)),
uintptr(unsafe.Pointer(&bufferSize)))
if ret != 0 {
return nil, syscall.GetLastError()
}
return &sysProcInfo, nil
}
func getRusage(pid int32) (*syscall.Rusage, error) {
var CPU syscall.Rusage
c, err := syscall.OpenProcess(syscall.PROCESS_QUERY_INFORMATION, false, uint32(pid))
if err != nil {
return nil, err
}
defer syscall.CloseHandle(c)
if err := syscall.GetProcessTimes(c, &CPU.CreationTime, &CPU.ExitTime, &CPU.KernelTime, &CPU.UserTime); err != nil {
return nil, err
}
return &CPU, nil
}
func getMemoryInfo(pid int32) (PROCESS_MEMORY_COUNTERS, error) {
var mem PROCESS_MEMORY_COUNTERS
c, err := syscall.OpenProcess(syscall.PROCESS_QUERY_INFORMATION, false, uint32(pid))
if err != nil {
return mem, err
}
defer syscall.CloseHandle(c)
if err := getProcessMemoryInfo(c, &mem); err != nil {
return mem, err
}
return mem, err
}
func getProcessMemoryInfo(h syscall.Handle, mem *PROCESS_MEMORY_COUNTERS) (err error) {
r1, _, e1 := syscall.Syscall(procGetProcessMemoryInfo.Addr(), 3, uintptr(h), uintptr(unsafe.Pointer(mem)), uintptr(unsafe.Sizeof(*mem)))
if r1 == 0 {
if e1 != 0 {
err = error(e1)
} else {
err = syscall.EINVAL
}
}
return
}