33 lines
		
	
	
		
			726 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			726 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package web
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import (
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	"net"
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	"time"
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	log "github.com/sirupsen/logrus"
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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.WithError(err).Warning("Error setting Keep-Alive")
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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.WithError(err).Warning("Error setting Keep-Alive period")
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	}
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	return tc, nil
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}
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