Files
strom/event/stdin.go
T

46 lines
659 B
Go

package event
import (
"bufio"
"context"
"os"
)
type Stdin struct {
Val string
}
type StdinHandler struct {
*Loop
stdInChan chan Stdin
Ctx context.Context
}
func (s *StdinHandler) OnTick(_ Tick) (err error) {
select {
case stdin := <-s.stdInChan:
err = s.Fire(Stdin{stdin.Val})
default:
}
return
}
func (s *StdinHandler) ScanJob() {
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
select {
case <-s.Ctx.Done():
return
default:
s.stdInChan <- Stdin{scanner.Text()}
}
}
}
func (s *StdinHandler) OnStart() (err error) {
s.RegisterCritical(s.OnTick)
s.stdInChan = make(chan Stdin)
go s.ScanJob()
return
}