52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package test
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import (
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"net"
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"sync"
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"time"
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"github.com/miekg/dns"
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)
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// TCPServer starts a DNS server with a TCP listener on laddr.
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func TCPServer(laddr string) (*dns.Server, string, error) {
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l, err := net.Listen("tcp", laddr)
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if err != nil {
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return nil, "", err
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}
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server := &dns.Server{Listener: l, ReadTimeout: time.Hour, WriteTimeout: time.Hour}
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waitLock := sync.Mutex{}
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waitLock.Lock()
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server.NotifyStartedFunc = func() { waitLock.Unlock() }
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go func() {
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server.ActivateAndServe()
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l.Close()
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}()
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waitLock.Lock()
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return server, l.Addr().String(), nil
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}
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// UDPServer starts a DNS server with an UDP listener on laddr.
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func UDPServer(laddr string) (*dns.Server, string, error) {
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pc, err := net.ListenPacket("udp", laddr)
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if err != nil {
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return nil, "", err
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}
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server := &dns.Server{PacketConn: pc, ReadTimeout: time.Hour, WriteTimeout: time.Hour}
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waitLock := sync.Mutex{}
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waitLock.Lock()
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server.NotifyStartedFunc = func() { waitLock.Unlock() }
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go func() {
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server.ActivateAndServe()
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pc.Close()
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}()
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waitLock.Lock()
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return server, pc.LocalAddr().String(), nil
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}
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