mirror of https://github.com/fatedier/frp.git
55 lines
995 B
Go
55 lines
995 B
Go
package process
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"os/exec"
|
|
)
|
|
|
|
type Process struct {
|
|
cmd *exec.Cmd
|
|
cancel context.CancelFunc
|
|
errorOutput *bytes.Buffer
|
|
stdOutput *bytes.Buffer
|
|
|
|
beforeStopHandler func()
|
|
}
|
|
|
|
func New(path string, params []string) *Process {
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
cmd := exec.CommandContext(ctx, path, params...)
|
|
p := &Process{
|
|
cmd: cmd,
|
|
cancel: cancel,
|
|
}
|
|
p.errorOutput = bytes.NewBufferString("")
|
|
p.stdOutput = bytes.NewBufferString("")
|
|
cmd.Stderr = p.errorOutput
|
|
cmd.Stdout = p.stdOutput
|
|
return p
|
|
}
|
|
|
|
func (p *Process) Start() error {
|
|
return p.cmd.Start()
|
|
}
|
|
|
|
func (p *Process) Stop() error {
|
|
if p.beforeStopHandler != nil {
|
|
p.beforeStopHandler()
|
|
}
|
|
p.cancel()
|
|
return p.cmd.Wait()
|
|
}
|
|
|
|
func (p *Process) ErrorOutput() string {
|
|
return p.errorOutput.String()
|
|
}
|
|
|
|
func (p *Process) StdOutput() string {
|
|
return p.stdOutput.String()
|
|
}
|
|
|
|
func (p *Process) SetBeforeStopHandler(fn func()) {
|
|
p.beforeStopHandler = fn
|
|
}
|