337 lines
6.8 KiB
Go
337 lines
6.8 KiB
Go
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// +build freebsd
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package process
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import (
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"bytes"
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"encoding/binary"
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"strings"
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"syscall"
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cpu "github.com/shirou/gopsutil/cpu"
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"github.com/shirou/gopsutil/internal/common"
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net "github.com/shirou/gopsutil/net"
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)
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// MemoryInfoExStat is different between OSes
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type MemoryInfoExStat struct {
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}
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type MemoryMapsStat struct {
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}
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func Pids() ([]int32, error) {
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var ret []int32
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procs, err := processes()
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if err != nil {
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return ret, nil
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}
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for _, p := range procs {
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ret = append(ret, p.Pid)
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}
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return ret, nil
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}
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func (p *Process) Ppid() (int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return k.Ppid, nil
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}
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func (p *Process) Name() (string, error) {
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k, err := p.getKProc()
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if err != nil {
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return "", err
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}
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return common.IntToString(k.Comm[:]), nil
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}
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func (p *Process) Exe() (string, error) {
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return "", common.ErrNotImplementedError
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}
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func (p *Process) Cmdline() (string, error) {
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mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
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buf, _, err := common.CallSyscall(mib)
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if err != nil {
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return "", err
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}
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ret := strings.FieldsFunc(string(buf), func(r rune) bool {
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if r == '\u0000' {
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return true
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}
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return false
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})
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return strings.Join(ret, " "), nil
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}
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func (p *Process) CmdlineSlice() ([]string, error) {
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mib := []int32{CTLKern, KernProc, KernProcArgs, p.Pid}
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buf, _, err := common.CallSyscall(mib)
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if err != nil {
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return nil, err
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}
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if len(buf) == 0 {
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return nil, nil
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}
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if buf[len(buf)-1] == 0 {
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buf = buf[:len(buf)-1]
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}
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parts := bytes.Split(buf, []byte{0})
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var strParts []string
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for _, p := range parts {
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strParts = append(strParts, string(p))
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}
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return strParts, nil
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}
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func (p *Process) CreateTime() (int64, error) {
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return 0, common.ErrNotImplementedError
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}
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func (p *Process) Cwd() (string, error) {
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return "", common.ErrNotImplementedError
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}
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func (p *Process) Parent() (*Process, error) {
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return p, common.ErrNotImplementedError
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}
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func (p *Process) Status() (string, error) {
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k, err := p.getKProc()
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if err != nil {
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return "", err
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}
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var s string
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switch k.Stat {
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case SIDL:
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s = "I"
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case SRUN:
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s = "R"
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case SSLEEP:
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s = "S"
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case SSTOP:
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s = "T"
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case SZOMB:
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s = "Z"
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case SWAIT:
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s = "W"
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case SLOCK:
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s = "L"
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}
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return s, nil
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}
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func (p *Process) Uids() ([]int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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uids := make([]int32, 0, 3)
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uids = append(uids, int32(k.Ruid), int32(k.Uid), int32(k.Svuid))
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return uids, nil
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}
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func (p *Process) Gids() ([]int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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gids := make([]int32, 0, 3)
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gids = append(gids, int32(k.Rgid), int32(k.Ngroups), int32(k.Svgid))
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return gids, nil
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}
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func (p *Process) Terminal() (string, error) {
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k, err := p.getKProc()
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if err != nil {
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return "", err
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}
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ttyNr := uint64(k.Tdev)
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termmap, err := getTerminalMap()
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if err != nil {
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return "", err
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}
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return termmap[ttyNr], nil
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}
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func (p *Process) Nice() (int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return int32(k.Nice), nil
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}
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func (p *Process) IOnice() (int32, error) {
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return 0, common.ErrNotImplementedError
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}
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func (p *Process) Rlimit() ([]RlimitStat, error) {
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var rlimit []RlimitStat
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return rlimit, common.ErrNotImplementedError
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}
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func (p *Process) IOCounters() (*IOCountersStat, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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return &IOCountersStat{
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ReadCount: uint64(k.Rusage.Inblock),
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WriteCount: uint64(k.Rusage.Oublock),
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}, nil
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}
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func (p *Process) NumCtxSwitches() (*NumCtxSwitchesStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) NumFDs() (int32, error) {
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return 0, common.ErrNotImplementedError
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}
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func (p *Process) NumThreads() (int32, error) {
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k, err := p.getKProc()
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if err != nil {
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return 0, err
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}
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return k.Numthreads, nil
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}
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func (p *Process) Threads() (map[string]string, error) {
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ret := make(map[string]string, 0)
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return ret, common.ErrNotImplementedError
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}
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func (p *Process) Times() (*cpu.TimesStat, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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return &cpu.TimesStat{
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CPU: "cpu",
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User: float64(k.Rusage.Utime.Sec) + float64(k.Rusage.Utime.Usec)/1000000,
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System: float64(k.Rusage.Stime.Sec) + float64(k.Rusage.Stime.Usec)/1000000,
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}, nil
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}
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func (p *Process) CPUAffinity() ([]int32, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) MemoryInfo() (*MemoryInfoStat, error) {
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k, err := p.getKProc()
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if err != nil {
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return nil, err
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}
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v, err := syscall.Sysctl("vm.stats.vm.v_page_size")
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if err != nil {
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return nil, err
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}
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pageSize := common.LittleEndian.Uint16([]byte(v))
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return &MemoryInfoStat{
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RSS: uint64(k.Rssize) * uint64(pageSize),
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VMS: uint64(k.Size),
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}, nil
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}
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func (p *Process) MemoryInfoEx() (*MemoryInfoExStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) Children() ([]*Process, error) {
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pids, err := common.CallPgrep(invoke, p.Pid)
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if err != nil {
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return nil, err
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}
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ret := make([]*Process, 0, len(pids))
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for _, pid := range pids {
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np, err := NewProcess(pid)
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if err != nil {
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return nil, err
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}
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ret = append(ret, np)
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}
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return ret, nil
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}
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func (p *Process) OpenFiles() ([]OpenFilesStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) Connections() ([]net.ConnectionStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) NetIOCounters(pernic bool) ([]net.IOCountersStat, error) {
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return nil, common.ErrNotImplementedError
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}
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func (p *Process) IsRunning() (bool, error) {
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return true, common.ErrNotImplementedError
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}
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func (p *Process) MemoryMaps(grouped bool) (*[]MemoryMapsStat, error) {
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var ret []MemoryMapsStat
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return &ret, common.ErrNotImplementedError
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}
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func processes() ([]Process, error) {
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results := make([]Process, 0, 50)
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mib := []int32{CTLKern, KernProc, KernProcProc, 0}
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buf, length, err := common.CallSyscall(mib)
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if err != nil {
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return results, err
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}
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// get kinfo_proc size
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count := int(length / uint64(sizeOfKinfoProc))
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// parse buf to procs
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for i := 0; i < count; i++ {
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b := buf[i*sizeOfKinfoProc : (i+1)*sizeOfKinfoProc]
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k, err := parseKinfoProc(b)
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if err != nil {
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continue
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}
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p, err := NewProcess(int32(k.Pid))
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if err != nil {
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continue
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}
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results = append(results, *p)
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}
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return results, nil
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}
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func parseKinfoProc(buf []byte) (KinfoProc, error) {
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var k KinfoProc
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br := bytes.NewReader(buf)
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err := common.Read(br, binary.LittleEndian, &k)
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return k, err
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}
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func (p *Process) getKProc() (*KinfoProc, error) {
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mib := []int32{CTLKern, KernProc, KernProcPID, p.Pid}
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buf, length, err := common.CallSyscall(mib)
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if err != nil {
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return nil, err
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}
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if length != sizeOfKinfoProc {
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return nil, err
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}
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k, err := parseKinfoProc(buf)
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if err != nil {
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return nil, err
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}
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return &k, nil
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}
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func NewProcess(pid int32) (*Process, error) {
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p := &Process{Pid: pid}
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return p, nil
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}
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