32 lines
684 B
Go
32 lines
684 B
Go
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package web
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import (
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"log"
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"net"
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"time"
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)
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// tcpKeepAliveListener sets TCP keep-alive timeouts on accepted
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// connections. It's used by ListenAndServe and ListenAndServeTLS so
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// dead TCP connections (e.g. closing laptop mid-download) eventually
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// go away.
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type tcpKeepAliveListener struct {
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*net.TCPListener
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}
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func (ln tcpKeepAliveListener) Accept() (net.Conn, error) {
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tc, err := ln.AcceptTCP()
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if err != nil {
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return nil, err
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}
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err = tc.SetKeepAlive(true)
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if err != nil {
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log.Printf("Error setting Keep-Alive: %v", err)
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}
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err = tc.SetKeepAlivePeriod(3 * time.Minute)
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if err != nil {
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log.Printf("Error setting Keep-Alive period: %v", err)
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}
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return tc, nil
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}
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