pedroMMM/goss

package system

import (
    "github.com/aelsabbahy/go-ps"
    "github.com/aelsabbahy/goss/util"
)

type Process interface {
    Executable() string
    Exists() (bool, error)
    Running() (bool, error)
    Pids() ([]int, error)
}

type DefProcess struct {
    executable string
    procMap    map[string][]ps.Process
}

func NewDefProcess(executable string, system *System, config util.Config) (Process, error) {
    pmap, err := system.ProcMap()
    if err != nil {
        return nil, err
    }

    return &DefProcess{
        executable: executable,
        procMap:    pmap,
    }, nil
}

func (p *DefProcess) Executable() string {
    return p.executable
}

func (p *DefProcess) Exists() (bool, error) { return p.Running() }

func (p *DefProcess) Pids() ([]int, error) {
    var pids []int
    for _, proc := range p.procMap[p.executable] {
        pids = append(pids, proc.Pid())
    }
    return pids, nil
}

func (p *DefProcess) Running() (bool, error) {
    if _, ok := p.procMap[p.executable]; ok {
        return true, nil
    }
    return false, nil
}

func GetProcs() (map[string][]ps.Process, error) {
    pmap := make(map[string][]ps.Process)
    processes, err := ps.Processes()
    if err != nil {
        return pmap, err
    }
    for _, p := range processes {
        pmap[p.Executable()] = append(pmap[p.Executable()], p)
    }

    return pmap, nil
}