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Fix and simplify SockOpt in UDP
https://github.com/golang/go/issues/29277
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parent
a0f1e1f377
commit
3778a367c8
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@ -2,7 +2,6 @@ package internet
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import (
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"context"
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"runtime"
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"syscall"
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"time"
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@ -67,17 +66,16 @@ func (d *DefaultSystemDialer) Dial(ctx context.Context, src net.Address, dest ne
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if err != nil {
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return nil, err
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}
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if runtime.GOOS != "windows" && (sockopt != nil || len(d.controllers) > 0) {
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file, err := packetConn.(*net.UDPConn).File()
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if sockopt != nil {
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sys, err := packetConn.(*net.UDPConn).SyscallConn()
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if err != nil {
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return nil, err
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}
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fd := file.Fd()
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if sockopt != nil {
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sys.Control(func(fd uintptr) {
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if err := applyOutboundSocketOptions("udp", dest.NetAddr(), fd, sockopt); err != nil {
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newError("failed to apply socket options").Base(err).WriteToLog(session.ExportIDToError(ctx))
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}
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}
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})
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}
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return &PacketConnWrapper{
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Conn: packetConn,
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