29 lines
593 B
Go
29 lines
593 B
Go
package middleware
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import (
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"game-driver/internal/common"
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"game-driver/leaf"
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"game-driver/pkg/logger"
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"sync"
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)
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// Unique 唯一任务中间件，会停止之前的任务，让新任务执行。同一时间只能有一个任务在执行
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func Unique(stopper common.Stopper) leaf.HandlerFunc {
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var lock sync.Mutex
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return func(c *leaf.Context) {
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if !lock.TryLock() {
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logger.Infoln("尝试加锁失败，执行停止任务")
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stopper.Stop()
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lock.Lock()
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}
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logger.Infoln("加锁完成")
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defer func() {
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lock.Unlock()
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logger.Infoln("解锁完成")
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}()
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c.Next()
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}
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}
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