58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package procstat
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import (
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"fmt"
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"io/ioutil"
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"strconv"
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"strings"
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"github.com/shirou/gopsutil/process"
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)
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//NativeFinder uses gopsutil to find processes
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type NativeFinder struct {
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}
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//NewNativeFinder ...
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func NewNativeFinder() (PIDFinder, error) {
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return &NativeFinder{}, nil
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}
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//Uid will return all pids for the given user
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func (pg *NativeFinder) Uid(user string) ([]PID, error) {
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var dst []PID
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procs, err := process.Processes()
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if err != nil {
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return dst, err
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}
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for _, p := range procs {
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username, err := p.Username()
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if err != nil {
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//skip, this can happen if we don't have permissions or
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//the pid no longer exists
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continue
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}
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if username == user {
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dst = append(dst, PID(p.Pid))
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}
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}
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return dst, nil
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}
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//PidFile returns the pid from the pid file given.
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func (pg *NativeFinder) PidFile(path string) ([]PID, error) {
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var pids []PID
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pidString, err := ioutil.ReadFile(path)
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if err != nil {
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return pids, fmt.Errorf("Failed to read pidfile '%s'. Error: '%s'",
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path, err)
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}
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pid, err := strconv.Atoi(strings.TrimSpace(string(pidString)))
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if err != nil {
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return pids, err
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}
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pids = append(pids, PID(pid))
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return pids, nil
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}
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