/
goroutinepool.go
77 lines (64 loc) · 1.22 KB
/
goroutinepool.go
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package goutils
/*
Golang 实现的协程池
*/
import (
"log"
)
type GoroutinePool struct {
Queue chan func() error
Number int
Total int
result chan error
finishCallback func()
}
// 初始化
func (self *GoroutinePool) Init(number int, total int) {
self.Queue = make(chan func() error, total)
self.Number = number
self.Total = total
self.result = make(chan error, total)
}
// 开门接客
func (self *GoroutinePool) Start() {
// 开启Number个goroutine
for i := 0; i < self.Number; i++ {
go func() {
for {
task, ok := <-self.Queue
if !ok {
break
}
err := task()
self.result <- err
}
}()
}
// 获得每个work的执行结果
for j := 0; j < self.Total; j++ {
res, ok := <-self.result
if !ok {
break
}
if res != nil {
log.Println(res)
}
}
// 所有任务都执行完成,回调函数
if self.finishCallback != nil {
self.finishCallback()
}
}
// 关门送客
func (self *GoroutinePool) Stop() {
close(self.Queue)
close(self.result)
}
// 添加任务
func (self *GoroutinePool) AddTask(task func() error) {
self.Queue <- task
}
// 设置结束回调
func (self *GoroutinePool) SetFinishCallback(callback func()) {
self.finishCallback = callback
}