33 lines
530 B
Go
33 lines
530 B
Go
package utils
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import (
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"net"
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"time"
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)
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const (
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defaultKeepAlivePeriod = 180 * time.Second
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)
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// TCPKeepAliveListener is a TCP listener with keep alive enabled.
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type TCPKeepAliveListener struct {
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KeepAlivePeriod time.Duration
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*net.TCPListener
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}
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func (l *TCPKeepAliveListener) Accept() (c net.Conn, err error) {
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tc, err := l.AcceptTCP()
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if err != nil {
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return
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}
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tc.SetKeepAlive(true)
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period := l.KeepAlivePeriod
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if period <= 0 {
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period = defaultKeepAlivePeriod
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}
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tc.SetKeepAlivePeriod(period)
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return tc, nil
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}
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