71 lines
1.1 KiB
Go
71 lines
1.1 KiB
Go
package utils
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import "fmt"
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// GoroutinePool define routine pool
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type GoroutinePool struct {
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Queue chan func() error
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Number int
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Total int
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result chan error
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finishCallback func()
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}
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// Init routine pool
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func (g *GoroutinePool) Init(number int, total int) {
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g.Queue = make(chan func() error, total)
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g.Number = number
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g.Total = total
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g.result = make(chan error, total)
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}
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// Start routine pool
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func (g *GoroutinePool) Start() {
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for i := 0; i < g.Number; i++ {
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go func() {
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for {
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task, ok := <-g.Queue
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if !ok {
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break
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}
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err := task()
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g.result <- err
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}
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}()
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}
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// get each work result
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for j := 0; j < g.Total; j++ {
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res, ok := <-g.result
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if !ok {
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break
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}
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if res != nil {
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fmt.Println(res)
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}
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}
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if g.finishCallback != nil {
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g.finishCallback()
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}
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}
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// Stop close queue
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func (g *GoroutinePool) Stop() {
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close(g.Queue)
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close(g.result)
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}
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// AddTask job func
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func (g *GoroutinePool) AddTask(task func() error) {
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g.Queue <- task
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}
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// SetFinishCallback func
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func (g *GoroutinePool) SetFinishCallback(callback func()) {
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g.finishCallback = callback
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}
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