72 lines
1.2 KiB
Go
72 lines
1.2 KiB
Go
package workerpool
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import (
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"sync"
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"github.com/panjf2000/ants/v2"
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)
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const defaultWorkerPoolSize = 2000
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type WorkerPool interface {
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Submit(task func()) error
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SubmitAndWaitAll(tasks ...func() error) (taskErr chan error, submitErr error)
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}
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type workerPool struct {
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p *ants.Pool
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}
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func NewWorkerPool(size int) WorkerPool {
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if size <= 0 {
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size = defaultWorkerPoolSize
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}
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p, err := ants.NewPool(
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size,
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ants.WithDisablePurge(true),
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)
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if err != nil {
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return &workerPool{p: nil}
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}
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return &workerPool{p: p}
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}
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func (p *workerPool) Submit(task func()) error {
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if p.p == nil {
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return ants.Submit(task)
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}
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return p.p.Submit(task)
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}
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func (p *workerPool) SubmitAndWaitAll(tasks ...func() error) (chan error, error) {
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taskErrCh := make(chan error, len(tasks))
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submitErrCh := make(chan error, len(tasks))
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wg := sync.WaitGroup{}
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wg.Add(len(tasks))
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for i := range tasks {
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task := tasks[i]
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err := p.Submit(func() {
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defer wg.Done()
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if err := task(); err != nil {
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taskErrCh <- err
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}
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})
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if err != nil {
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submitErrCh <- err
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wg.Done()
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}
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}
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wg.Wait()
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if len(submitErrCh) != 0 {
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return nil, <-submitErrCh
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}
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return taskErrCh, nil
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}
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