golang.org/x/net/ipv4 windows support

[bar...@gmail.com]

Does anyone know what it would take to implement the windows ControlMessage functions for the golang.org/x/net/ipv4 package? I am using the ipv4 package to specify the outgoing interface index of UDP requests. The following example works correctly on linux but fails with not supported by windows (https://play.golang.org/p/n8Q9xPxINn):

l := ipv4.NewPacketConn(conn)

if err = l.SetControlMessage(ipv4.FlagInterface, true); err != nil {

log.Printf("Unable to set control message %s", err)

} else {

log.Printf("set ipv4.FlagInterface success")

}

Thanks

[Matt Harden]

The relevant socket option seems to be supported in Windows: https://msdn.microsoft.com/en-us/library/windows/desktop/hh285668(v=vs.85).aspx

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[mikioh...@gmail.com]

see golang.org/issues/7175 and golang.org/issues/9252.