mirror of https://github.com/Xhofe/alist
17 lines
280 B
Go
17 lines
280 B
Go
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package middlewares
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import (
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"github.com/gin-gonic/gin"
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)
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func MaxAllowed(n int) gin.HandlerFunc {
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sem := make(chan struct{}, n)
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acquire := func() { sem <- struct{}{} }
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release := func() { <-sem }
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return func(c *gin.Context) {
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acquire()
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defer release()
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c.Next()
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}
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}
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