mirror of https://github.com/shirou/gopsutil
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
388 lines
8.4 KiB
Go
388 lines
8.4 KiB
Go
//go:build openbsd
|
|
// +build openbsd
|
|
|
|
package process
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/binary"
|
|
"fmt"
|
|
"io"
|
|
"path/filepath"
|
|
"strconv"
|
|
"strings"
|
|
"unsafe"
|
|
|
|
cpu "github.com/shirou/gopsutil/v3/cpu"
|
|
"github.com/shirou/gopsutil/v3/internal/common"
|
|
mem "github.com/shirou/gopsutil/v3/mem"
|
|
net "github.com/shirou/gopsutil/v3/net"
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func pidsWithContext(ctx context.Context) ([]int32, error) {
|
|
var ret []int32
|
|
procs, err := ProcessesWithContext(ctx)
|
|
if err != nil {
|
|
return ret, nil
|
|
}
|
|
|
|
for _, p := range procs {
|
|
ret = append(ret, p.Pid)
|
|
}
|
|
|
|
return ret, nil
|
|
}
|
|
|
|
func (p *Process) PpidWithContext(ctx context.Context) (int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return k.Ppid, nil
|
|
}
|
|
|
|
func (p *Process) NameWithContext(ctx context.Context) (string, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
name := common.IntToString(k.Comm[:])
|
|
|
|
if len(name) >= 15 {
|
|
cmdlineSlice, err := p.CmdlineSliceWithContext(ctx)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if len(cmdlineSlice) > 0 {
|
|
extendedName := filepath.Base(cmdlineSlice[0])
|
|
if strings.HasPrefix(extendedName, p.name) {
|
|
name = extendedName
|
|
}
|
|
}
|
|
}
|
|
|
|
return name, nil
|
|
}
|
|
|
|
func (p *Process) CwdWithContext(ctx context.Context) (string, error) {
|
|
return "", common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
|
|
return "", common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error) {
|
|
mib := []int32{CTLKern, KernProcArgs, p.Pid, KernProcArgv}
|
|
buf, _, err := common.CallSyscall(mib)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
/* From man sysctl(2):
|
|
The buffer pointed to by oldp is filled with an array of char
|
|
pointers followed by the strings themselves. The last char
|
|
pointer is a NULL pointer. */
|
|
var strParts []string
|
|
r := bytes.NewReader(buf)
|
|
baseAddr := uintptr(unsafe.Pointer(&buf[0]))
|
|
for {
|
|
argvp, err := readPtr(r)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if argvp == 0 { // check for a NULL pointer
|
|
break
|
|
}
|
|
offset := argvp - baseAddr
|
|
length := uintptr(bytes.IndexByte(buf[offset:], 0))
|
|
str := string(buf[offset : offset+length])
|
|
strParts = append(strParts, str)
|
|
}
|
|
|
|
return strParts, nil
|
|
}
|
|
|
|
// readPtr reads a pointer data from a given reader. WARNING: only little
|
|
// endian architectures are supported.
|
|
func readPtr(r io.Reader) (uintptr, error) {
|
|
switch sizeofPtr {
|
|
case 4:
|
|
var p uint32
|
|
if err := binary.Read(r, binary.LittleEndian, &p); err != nil {
|
|
return 0, err
|
|
}
|
|
return uintptr(p), nil
|
|
case 8:
|
|
var p uint64
|
|
if err := binary.Read(r, binary.LittleEndian, &p); err != nil {
|
|
return 0, err
|
|
}
|
|
return uintptr(p), nil
|
|
default:
|
|
return 0, fmt.Errorf("unsupported pointer size")
|
|
}
|
|
}
|
|
|
|
func (p *Process) CmdlineWithContext(ctx context.Context) (string, error) {
|
|
argv, err := p.CmdlineSliceWithContext(ctx)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return strings.Join(argv, " "), nil
|
|
}
|
|
|
|
func (p *Process) createTimeWithContext(ctx context.Context) (int64, error) {
|
|
return 0, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) StatusWithContext(ctx context.Context) ([]string, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return []string{""}, err
|
|
}
|
|
var s string
|
|
switch k.Stat {
|
|
case SIDL:
|
|
case SRUN:
|
|
case SONPROC:
|
|
s = Running
|
|
case SSLEEP:
|
|
s = Sleep
|
|
case SSTOP:
|
|
s = Stop
|
|
case SDEAD:
|
|
s = Zombie
|
|
}
|
|
|
|
return []string{s}, nil
|
|
}
|
|
|
|
func (p *Process) ForegroundWithContext(ctx context.Context) (bool, error) {
|
|
// see https://github.com/shirou/gopsutil/issues/596#issuecomment-432707831 for implementation details
|
|
pid := p.Pid
|
|
out, err := invoke.CommandWithContext(ctx, "ps", "-o", "stat=", "-p", strconv.Itoa(int(pid)))
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return strings.IndexByte(string(out), '+') != -1, nil
|
|
}
|
|
|
|
func (p *Process) UidsWithContext(ctx context.Context) ([]int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
uids := make([]int32, 0, 3)
|
|
|
|
uids = append(uids, int32(k.Ruid), int32(k.Uid), int32(k.Svuid))
|
|
|
|
return uids, nil
|
|
}
|
|
|
|
func (p *Process) GidsWithContext(ctx context.Context) ([]int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
gids := make([]int32, 0, 3)
|
|
gids = append(gids, int32(k.Rgid), int32(k.Ngroups), int32(k.Svgid))
|
|
|
|
return gids, nil
|
|
}
|
|
|
|
func (p *Process) GroupsWithContext(ctx context.Context) ([]int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
groups := make([]int32, k.Ngroups)
|
|
for i := int16(0); i < k.Ngroups; i++ {
|
|
groups[i] = int32(k.Groups[i])
|
|
}
|
|
|
|
return groups, nil
|
|
}
|
|
|
|
func (p *Process) TerminalWithContext(ctx context.Context) (string, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
ttyNr := uint64(k.Tdev)
|
|
|
|
termmap, err := getTerminalMap()
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
|
|
return termmap[ttyNr], nil
|
|
}
|
|
|
|
func (p *Process) NiceWithContext(ctx context.Context) (int32, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
return int32(k.Nice), nil
|
|
}
|
|
|
|
func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &IOCountersStat{
|
|
ReadCount: uint64(k.Uru_inblock),
|
|
WriteCount: uint64(k.Uru_oublock),
|
|
}, nil
|
|
}
|
|
|
|
func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
|
|
/* not supported, just return 1 */
|
|
return 1, nil
|
|
}
|
|
|
|
func (p *Process) TimesWithContext(ctx context.Context) (*cpu.TimesStat, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &cpu.TimesStat{
|
|
CPU: "cpu",
|
|
User: float64(k.Uutime_sec) + float64(k.Uutime_usec)/1000000,
|
|
System: float64(k.Ustime_sec) + float64(k.Ustime_usec)/1000000,
|
|
}, nil
|
|
}
|
|
|
|
func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) {
|
|
k, err := p.getKProc()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
pageSize, err := mem.GetPageSizeWithContext(ctx)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &MemoryInfoStat{
|
|
RSS: uint64(k.Vm_rssize) * pageSize,
|
|
VMS: uint64(k.Vm_tsize) + uint64(k.Vm_dsize) +
|
|
uint64(k.Vm_ssize),
|
|
}, nil
|
|
}
|
|
|
|
func (p *Process) ChildrenWithContext(ctx context.Context) ([]*Process, error) {
|
|
pids, err := common.CallPgrepWithContext(ctx, invoke, p.Pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ret := make([]*Process, 0, len(pids))
|
|
for _, pid := range pids {
|
|
np, err := NewProcessWithContext(ctx, pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
ret = append(ret, np)
|
|
}
|
|
return ret, nil
|
|
}
|
|
|
|
func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error) {
|
|
return nil, common.ErrNotImplementedError
|
|
}
|
|
|
|
func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
|
|
results := []*Process{}
|
|
|
|
buf, length, err := callKernProcSyscall(KernProcAll, 0)
|
|
if err != nil {
|
|
return results, err
|
|
}
|
|
|
|
// get kinfo_proc size
|
|
count := int(length / uint64(sizeOfKinfoProc))
|
|
|
|
// parse buf to procs
|
|
for i := 0; i < count; i++ {
|
|
b := buf[i*sizeOfKinfoProc : (i+1)*sizeOfKinfoProc]
|
|
k, err := parseKinfoProc(b)
|
|
if err != nil {
|
|
continue
|
|
}
|
|
p, err := NewProcessWithContext(ctx, int32(k.Pid))
|
|
if err != nil {
|
|
continue
|
|
}
|
|
|
|
results = append(results, p)
|
|
}
|
|
|
|
return results, nil
|
|
}
|
|
|
|
func (p *Process) getKProc() (*KinfoProc, error) {
|
|
buf, length, err := callKernProcSyscall(KernProcPID, p.Pid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if length != sizeOfKinfoProc {
|
|
return nil, err
|
|
}
|
|
|
|
k, err := parseKinfoProc(buf)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &k, nil
|
|
}
|
|
|
|
func callKernProcSyscall(op int32, arg int32) ([]byte, uint64, error) {
|
|
mib := []int32{CTLKern, KernProc, op, arg, sizeOfKinfoProc, 0}
|
|
mibptr := unsafe.Pointer(&mib[0])
|
|
miblen := uint64(len(mib))
|
|
length := uint64(0)
|
|
_, _, err := unix.Syscall6(
|
|
unix.SYS___SYSCTL,
|
|
uintptr(mibptr),
|
|
uintptr(miblen),
|
|
0,
|
|
uintptr(unsafe.Pointer(&length)),
|
|
0,
|
|
0)
|
|
if err != 0 {
|
|
return nil, length, err
|
|
}
|
|
|
|
count := int32(length / uint64(sizeOfKinfoProc))
|
|
mib = []int32{CTLKern, KernProc, op, arg, sizeOfKinfoProc, count}
|
|
mibptr = unsafe.Pointer(&mib[0])
|
|
miblen = uint64(len(mib))
|
|
// get proc info itself
|
|
buf := make([]byte, length)
|
|
_, _, err = unix.Syscall6(
|
|
unix.SYS___SYSCTL,
|
|
uintptr(mibptr),
|
|
uintptr(miblen),
|
|
uintptr(unsafe.Pointer(&buf[0])),
|
|
uintptr(unsafe.Pointer(&length)),
|
|
0,
|
|
0)
|
|
if err != 0 {
|
|
return buf, length, err
|
|
}
|
|
|
|
return buf, length, nil
|
|
}
|