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package main
import (
"fmt"
"math/rand"
"sync"
"time"
"github.com/vbauerster/mpb/v8"
"github.com/vbauerster/mpb/v8/decor"
)
func main() {
var wg sync.WaitGroup
// passed wg will be accounted at p.Wait() call
p := mpb.New(mpb.WithWaitGroup(&wg))
total := 100
numBars := 3
wg.Add(numBars)
for i := 0; i < numBars; i++ {
name := fmt.Sprintf("Bar#%d:", i)
bar := p.AddBar(int64(total),
mpb.BarID(i),
mpb.BarOptional(mpb.BarRemoveOnComplete(), i == 0),
mpb.PrependDecorators(
decor.Name(name),
),
mpb.AppendDecorators(
decor.Any(func(s decor.Statistics) string {
return fmt.Sprintf("completed: %v", s.Completed)
}, decor.WCSyncSpaceR),
decor.Any(func(s decor.Statistics) string {
return fmt.Sprintf("aborted: %v", s.Aborted)
}, decor.WCSyncSpaceR),
decor.OnComplete(decor.NewPercentage("%d", decor.WCSyncSpace), "done"),
decor.OnAbort(decor.NewPercentage("%d", decor.WCSyncSpace), "ohno"),
),
)
go func() {
defer wg.Done()
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
max := 100 * time.Millisecond
for i := 0; bar.IsRunning(); i++ {
if bar.ID() == 2 && i >= 42 {
go bar.Abort(false)
}
time.Sleep(time.Duration(rng.Intn(10)+1) * max / 10)
bar.Increment()
}
}()
}
// wait for passed wg and for all bars to complete and flush
p.Wait()
}
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