go-judge/worker/waiter.go

50 lines
820 B
Go

package worker
import (
"context"
"time"
"github.com/criyle/go-judge/envexec"
)
// default tick interval 100 ms
const defaultTickInterval = 100 * time.Millisecond
type waiter struct {
tickInterval time.Duration
timeLimit time.Duration
realTimeLimit time.Duration
}
func (w *waiter) Wait(ctx context.Context, u envexec.Process) bool {
if w.realTimeLimit < w.timeLimit {
w.realTimeLimit = w.timeLimit
}
start := time.Now()
tickInterval := w.tickInterval
if tickInterval == 0 {
tickInterval = defaultTickInterval
}
ticker := time.NewTicker(tickInterval)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
return false
case <-ticker.C:
if time.Since(start) > w.realTimeLimit {
return true
}
u := u.Usage()
if u.Time > w.timeLimit {
return true
}
}
}
}