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