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v2fly/transport/internet/sockopt_windows.go

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package internet
import (
"strings"
"syscall"
)
const (
TCP_FASTOPEN = 15
)
func applyOutboundSocketOptions(network string, address string, fd uintptr, config *SocketConfig) error {
if strings.HasPrefix(network, "tcp") {
switch config.Tfo {
case SocketConfig_Enable:
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 1); err != nil {
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return err
}
case SocketConfig_Disable:
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
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return err
}
}
}
return nil
}
func applyInboundSocketOptions(network string, fd uintptr, config *SocketConfig) error {
if strings.HasPrefix(network, "tcp") {
switch config.Tfo {
case SocketConfig_Enable:
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 1); err != nil {
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return err
}
case SocketConfig_Disable:
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if err := syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_TCP, TCP_FASTOPEN, 0); err != nil {
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return err
}
}
}
return nil
}