telegraf/plugins/system/ps/process/process_windows.go

306 lines
7.3 KiB
Go

// +build windows
package process
import (
"errors"
"fmt"
"strconv"
"syscall"
"unsafe"
"github.com/shirou/w32"
common "github.com/influxdb/tivan/plugins/system/ps/common"
cpu "github.com/influxdb/tivan/plugins/system/ps/cpu"
net "github.com/influxdb/tivan/plugins/system/ps/net"
)
const (
NoMoreFiles = 0x12
MaxPathLength = 260
)
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 {
}
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 (p *Process) Name() (string, error) {
query := fmt.Sprintf("ProcessId = %d", p.Pid)
lines, err := common.GetWmic("process", "where", query, "get", "Name")
if err != nil {
return "", err
}
if len(lines) == 0 {
return "", fmt.Errorf("could not get Name")
}
return lines[0][1], nil
}
func (p *Process) Exe() (string, error) {
query := fmt.Sprintf("ProcessId = %d", p.Pid)
lines, err := common.GetWmic("process", "where", query, "get", "ExecutablePath")
if err != nil {
return "", err
}
if len(lines) == 0 {
return "", fmt.Errorf("could not get ExecutablePath")
}
return lines[0][1], nil
}
func (p *Process) Cmdline() (string, error) {
query := fmt.Sprintf("ProcessId = %d", p.Pid)
lines, err := common.GetWmic("process", "where", query, "get", "CommandLine")
if err != nil {
return "", err
}
if len(lines) == 0 {
return "", fmt.Errorf("could not get command line")
}
return lines[0][1], nil
}
func (p *Process) Cwd() (string, error) {
return "", common.NotImplementedError
}
func (p *Process) Parent() (*Process, error) {
return p, common.NotImplementedError
}
func (p *Process) Status() (string, error) {
return "", common.NotImplementedError
}
func (p *Process) Username() (string, error) {
return "", common.NotImplementedError
}
func (p *Process) Uids() ([]int32, error) {
var uids []int32
return uids, common.NotImplementedError
}
func (p *Process) Gids() ([]int32, error) {
var gids []int32
return gids, common.NotImplementedError
}
func (p *Process) Terminal() (string, error) {
return "", common.NotImplementedError
}
// Nice returnes priority in Windows
func (p *Process) Nice() (int32, error) {
query := fmt.Sprintf("ProcessId = %d", p.Pid)
lines, err := common.GetWmic("process", "where", query, "get", "Priority")
if err != nil {
return 0, err
}
if len(lines) == 0 {
return 0, fmt.Errorf("could not get command line")
}
priority, err := strconv.Atoi(lines[0][1])
if err != nil {
return 0, err
}
return int32(priority), nil
}
func (p *Process) IOnice() (int32, error) {
return 0, common.NotImplementedError
}
func (p *Process) Rlimit() ([]RlimitStat, error) {
var rlimit []RlimitStat
return rlimit, common.NotImplementedError
}
func (p *Process) IOCounters() (*IOCountersStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) NumFDs() (int32, error) {
return 0, common.NotImplementedError
}
func (p *Process) NumThreads() (int32, error) {
query := fmt.Sprintf("ProcessId = %d", p.Pid)
lines, err := common.GetWmic("process", "where", query, "get", "ThreadCount")
if err != nil {
return 0, err
}
if len(lines) == 0 {
return 0, fmt.Errorf("could not get command line")
}
count, err := strconv.Atoi(lines[0][1])
if err != nil {
return 0, err
}
return int32(count), nil
}
func (p *Process) Threads() (map[string]string, error) {
ret := make(map[string]string, 0)
return ret, common.NotImplementedError
}
func (p *Process) CPUTimes() (*cpu.CPUTimesStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) CPUAffinity() ([]int32, error) {
return nil, common.NotImplementedError
}
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) MemoryPercent() (float32, error) {
return 0, common.NotImplementedError
}
func (p *Process) Children() ([]*Process, error) {
return nil, common.NotImplementedError
}
func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) Connections() ([]net.NetConnectionStat, error) {
return nil, common.NotImplementedError
}
func (p *Process) IsRunning() (bool, error) {
return true, common.NotImplementedError
}
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
ret := make([]MemoryMapsStat, 0)
return &ret, common.NotImplementedError
}
func NewProcess(pid int32) (*Process, error) {
p := &Process{Pid: pid}
return p, nil
}
func (p *Process) SendSignal(sig syscall.Signal) error {
return common.NotImplementedError
}
func (p *Process) Suspend() error {
return common.NotImplementedError
}
func (p *Process) Resume() error {
return common.NotImplementedError
}
func (p *Process) Terminate() error {
return common.NotImplementedError
}
func (p *Process) Kill() error {
return common.NotImplementedError
}
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) {
lines, err := common.GetWmic("process", "get", "processid")
if err != nil {
return nil, err
}
var results []*Process
for _, l := range lines {
pid, err := strconv.Atoi(l[1])
if err != nil {
continue
}
p, err := NewProcess(int32(pid))
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
}