2014-07-08 01:16:42 +10:00
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// +build linux
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package dns
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import (
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"net"
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"syscall"
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)
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func udpSocketOobData(conn *net.UDPConn) (err error) {
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file, err := conn.File()
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if err != nil {
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return
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}
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err = syscall.SetsockoptInt(int(file.Fd()), syscall.IPPROTO_IP, syscall.IP_PKTINFO, 1)
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2014-07-08 07:19:51 +10:00
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if err != nil {
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return
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}
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err = syscall.SetsockoptInt(int(file.Fd()), syscall.IPPROTO_IPV6, syscall.IPV6_RECVPKTINFO, 1)
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2014-07-08 01:16:42 +10:00
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return
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}
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