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27 lines
487 B
Go
27 lines
487 B
Go
6 years ago
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package main
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import (
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"net"
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"github.com/fangdingjun/go-log"
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"github.com/miekg/dns"
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)
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func (srv *server) handleUDP(buf []byte, addr net.Addr, conn *net.UDPConn) {
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msg := new(dns.Msg)
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if err := msg.Unpack(buf); err != nil {
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log.Debugln("udp parse msg", err)
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return
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}
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for _, up := range srv.upstreams {
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m, err := queryUpstream(msg, up)
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if err == nil {
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d, _ := m.Pack()
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conn.WriteTo(d, addr)
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break
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} else {
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log.Debugln("udp query upstream err", err)
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}
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}
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}
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