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

530 lines
13 KiB
Go

// +build freebsd
package process
import (
"bytes"
"context"
"encoding/binary"
"os/exec"
"path/filepath"
"strconv"
"strings"
cpu "github.com/shirou/gopsutil/cpu"
"github.com/shirou/gopsutil/internal/common"
net "github.com/shirou/gopsutil/net"
"golang.org/x/sys/unix"
)
// MemoryInfoExStat is different between OSes
type MemoryInfoExStat struct {
}
type MemoryMapsStat struct {
}
func pidsWithContext(ctx context.Context) ([]int32, error) {
var ret []int32
procs, err := Processes()
if err != nil {
return ret, nil
}
for _, p := range procs {
ret = append(ret, p.Pid)
}
return ret, nil
}
func (p *Process) Ppid() (int32, error) {
return p.PpidWithContext(context.Background())
}
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) Name() (string, error) {
return p.NameWithContext(context.Background())
}
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
} else {
name = cmdlineSlice[0]
}
}
}
return name, nil
}
func (p *Process) Tgid() (int32, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) Exe() (string, error) {
return p.ExeWithContext(context.Background())
}
func (p *Process) ExeWithContext(ctx context.Context) (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) Cmdline() (string, error) {
return p.CmdlineWithContext(context.Background())
}
func (p *Process) CmdlineWithContext(ctx context.Context) (string, error) {
mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
buf, _, err := common.CallSyscall(mib)
if err != nil {
return "", err
}
ret := strings.FieldsFunc(string(buf), func(r rune) bool {
if r == '\u0000' {
return true
}
return false
})
return strings.Join(ret, " "), nil
}
func (p *Process) CmdlineSlice() ([]string, error) {
return p.CmdlineSliceWithContext(context.Background())
}
func (p *Process) CmdlineSliceWithContext(ctx context.Context) ([]string, error) {
mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
buf, _, err := common.CallSyscall(mib)
if err != nil {
return nil, err
}
if len(buf) == 0 {
return nil, nil
}
if buf[len(buf)-1] == 0 {
buf = buf[:len(buf)-1]
}
parts := bytes.Split(buf, []byte{0})
var strParts []string
for _, p := range parts {
strParts = append(strParts, string(p))
}
return strParts, nil
}
func (p *Process) createTimeWithContext(ctx context.Context) (int64, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) Cwd() (string, error) {
return p.CwdWithContext(context.Background())
}
func (p *Process) CwdWithContext(ctx context.Context) (string, error) {
return "", common.ErrNotImplementedError
}
func (p *Process) Parent() (*Process, error) {
return p.ParentWithContext(context.Background())
}
func (p *Process) ParentWithContext(ctx context.Context) (*Process, error) {
return p, common.ErrNotImplementedError
}
func (p *Process) Status() (string, error) {
return p.StatusWithContext(context.Background())
}
func (p *Process) StatusWithContext(ctx context.Context) (string, error) {
k, err := p.getKProc()
if err != nil {
return "", err
}
var s string
switch k.Stat {
case SIDL:
s = "I"
case SRUN:
s = "R"
case SSLEEP:
s = "S"
case SSTOP:
s = "T"
case SZOMB:
s = "Z"
case SWAIT:
s = "W"
case SLOCK:
s = "L"
}
return s, nil
}
func (p *Process) Foreground() (bool, error) {
return p.ForegroundWithContext(context.Background())
}
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
ps, err := exec.LookPath("ps")
if err != nil {
return false, err
}
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) Uids() ([]int32, error) {
return p.UidsWithContext(context.Background())
}
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) Gids() ([]int32, error) {
return p.GidsWithContext(context.Background())
}
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) Terminal() (string, error) {
return p.TerminalWithContext(context.Background())
}
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) Nice() (int32, error) {
return p.NiceWithContext(context.Background())
}
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) IOnice() (int32, error) {
return p.IOniceWithContext(context.Background())
}
func (p *Process) IOniceWithContext(ctx context.Context) (int32, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) Rlimit() ([]RlimitStat, error) {
return p.RlimitWithContext(context.Background())
}
func (p *Process) RlimitWithContext(ctx context.Context) ([]RlimitStat, error) {
var rlimit []RlimitStat
return rlimit, common.ErrNotImplementedError
}
func (p *Process) RlimitUsage(gatherUsed bool) ([]RlimitStat, error) {
return p.RlimitUsageWithContext(context.Background(), gatherUsed)
}
func (p *Process) RlimitUsageWithContext(ctx context.Context, gatherUsed bool) ([]RlimitStat, error) {
var rlimit []RlimitStat
return rlimit, common.ErrNotImplementedError
}
func (p *Process) IOCounters() (*IOCountersStat, error) {
return p.IOCountersWithContext(context.Background())
}
func (p *Process) IOCountersWithContext(ctx context.Context) (*IOCountersStat, error) {
k, err := p.getKProc()
if err != nil {
return nil, err
}
return &IOCountersStat{
ReadCount: uint64(k.Rusage.Inblock),
WriteCount: uint64(k.Rusage.Oublock),
}, nil
}
func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
return p.NumCtxSwitchesWithContext(context.Background())
}
func (p *Process) NumCtxSwitchesWithContext(ctx context.Context) (*NumCtxSwitchesStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) NumFDs() (int32, error) {
return p.NumFDsWithContext(context.Background())
}
func (p *Process) NumFDsWithContext(ctx context.Context) (int32, error) {
return 0, common.ErrNotImplementedError
}
func (p *Process) NumThreads() (int32, error) {
return p.NumThreadsWithContext(context.Background())
}
func (p *Process) NumThreadsWithContext(ctx context.Context) (int32, error) {
k, err := p.getKProc()
if err != nil {
return 0, err
}
return k.Numthreads, nil
}
func (p *Process) Threads() (map[int32]*cpu.TimesStat, error) {
return p.ThreadsWithContext(context.Background())
}
func (p *Process) ThreadsWithContext(ctx context.Context) (map[int32]*cpu.TimesStat, error) {
ret := make(map[int32]*cpu.TimesStat)
return ret, common.ErrNotImplementedError
}
func (p *Process) Times() (*cpu.TimesStat, error) {
return p.TimesWithContext(context.Background())
}
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.Rusage.Utime.Sec) + float64(k.Rusage.Utime.Usec)/1000000,
System: float64(k.Rusage.Stime.Sec) + float64(k.Rusage.Stime.Usec)/1000000,
}, nil
}
func (p *Process) CPUAffinity() ([]int32, error) {
return p.CPUAffinityWithContext(context.Background())
}
func (p *Process) CPUAffinityWithContext(ctx context.Context) ([]int32, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
return p.MemoryInfoWithContext(context.Background())
}
func (p *Process) MemoryInfoWithContext(ctx context.Context) (*MemoryInfoStat, error) {
k, err := p.getKProc()
if err != nil {
return nil, err
}
v, err := unix.Sysctl("vm.stats.vm.v_page_size")
if err != nil {
return nil, err
}
pageSize := common.LittleEndian.Uint16([]byte(v))
return &MemoryInfoStat{
RSS: uint64(k.Rssize) * uint64(pageSize),
VMS: uint64(k.Size),
}, nil
}
func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
return p.MemoryInfoExWithContext(context.Background())
}
func (p *Process) MemoryInfoExWithContext(ctx context.Context) (*MemoryInfoExStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) PageFaults() (*PageFaultsStat, error) {
return p.PageFaultsWithContext(context.Background())
}
func (p *Process) PageFaultsWithContext(ctx context.Context) (*PageFaultsStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) Children() ([]*Process, error) {
return p.ChildrenWithContext(context.Background())
}
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 := NewProcess(pid)
if err != nil {
return nil, err
}
ret = append(ret, np)
}
return ret, nil
}
func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
return p.OpenFilesWithContext(context.Background())
}
func (p *Process) OpenFilesWithContext(ctx context.Context) ([]OpenFilesStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) Connections() ([]net.ConnectionStat, error) {
return p.ConnectionsWithContext(context.Background())
}
func (p *Process) ConnectionsWithContext(ctx context.Context) ([]net.ConnectionStat, error) {
return nil, common.ErrNotImplementedError
}
// Connections returns a slice of net.ConnectionStat used by the process at most `max`
func (p *Process) ConnectionsMax(max int) ([]net.ConnectionStat, error) {
return p.ConnectionsMaxWithContext(context.Background(), max)
}
func (p *Process) ConnectionsMaxWithContext(ctx context.Context, max int) ([]net.ConnectionStat, error) {
return []net.ConnectionStat{}, common.ErrNotImplementedError
}
func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) {
return p.NetIOCountersWithContext(context.Background(), pernic)
}
func (p *Process) NetIOCountersWithContext(ctx context.Context, pernic bool) ([]net.IOCountersStat, error) {
return nil, common.ErrNotImplementedError
}
func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
return p.MemoryMapsWithContext(context.Background(), grouped)
}
func (p *Process) MemoryMapsWithContext(ctx context.Context, grouped bool) (*[]MemoryMapsStat, error) {
var ret []MemoryMapsStat
return &ret, common.ErrNotImplementedError
}
func Processes() ([]*Process, error) {
return ProcessesWithContext(context.Background())
}
func ProcessesWithContext(ctx context.Context) ([]*Process, error) {
results := []*Process{}
mib := []int32{CTLKern, KernProc, KernProcProc, 0}
buf, length, err := common.CallSyscall(mib)
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 := NewProcess(int32(k.Pid))
if err != nil {
continue
}
results = append(results, p)
}
return results, nil
}
func parseKinfoProc(buf []byte) (KinfoProc, error) {
var k KinfoProc
br := bytes.NewReader(buf)
err := common.Read(br, binary.LittleEndian, &k)
return k, err
}
func (p *Process) getKProc() (*KinfoProc, error) {
return p.getKProcWithContext(context.Background())
}
func (p *Process) getKProcWithContext(ctx context.Context) (*KinfoProc, error) {
mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}
buf, length, err := common.CallSyscall(mib)
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
}