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package msg
import (
"fmt"
"net"
"time"
tap "github.com/dnstap/golang-dnstap"
)
var (
protoUDP = tap.SocketProtocol_UDP
protoTCP = tap.SocketProtocol_TCP
familyINET = tap.SocketFamily_INET
familyINET6 = tap.SocketFamily_INET6
)
// SetQueryAddress adds the query address to the message. This also sets the SocketFamily and SocketProtocol.
func SetQueryAddress(t *tap.Message, addr net.Addr) error {
t.SocketFamily = &familyINET
switch a := addr.(type) {
case *net.TCPAddr:
t.SocketProtocol = &protoTCP
t.QueryAddress = a.IP
p := uint32(a.Port)
t.QueryPort = &p
if a.IP.To4() == nil {
t.SocketFamily = &familyINET6
}
return nil
case *net.UDPAddr:
t.SocketProtocol = &protoUDP
t.QueryAddress = a.IP
p := uint32(a.Port)
t.QueryPort = &p
if a.IP.To4() == nil {
t.SocketFamily = &familyINET6
}
return nil
default:
return fmt.Errorf("unknown address type: %T", a)
}
}
// SetResponseAddress the response address to the message. This also sets the SocketFamily and SocketProtocol.
func SetResponseAddress(t *tap.Message, addr net.Addr) error {
t.SocketFamily = &familyINET
switch a := addr.(type) {
case *net.TCPAddr:
t.SocketProtocol = &protoTCP
t.ResponseAddress = a.IP
p := uint32(a.Port)
t.ResponsePort = &p
if a.IP.To4() == nil {
t.SocketFamily = &familyINET6
}
return nil
case *net.UDPAddr:
t.SocketProtocol = &protoUDP
t.ResponseAddress = a.IP
p := uint32(a.Port)
t.ResponsePort = &p
if a.IP.To4() == nil {
t.SocketFamily = &familyINET6
}
return nil
default:
return fmt.Errorf("unknown address type: %T", a)
}
}
// SetQueryTime sets the time of the query in t.
func SetQueryTime(t *tap.Message, ti time.Time) {
qts := uint64(ti.Unix())
qtn := uint32(ti.Nanosecond())
t.QueryTimeSec = &qts
t.QueryTimeNsec = &qtn
}
// SetResponseTime sets the time of the response in t.
func SetResponseTime(t *tap.Message, ti time.Time) {
rts := uint64(ti.Unix())
rtn := uint32(ti.Nanosecond())
t.ResponseTimeSec = &rts
t.ResponseTimeNsec = &rtn
}
// SetType sets the type in t.
func SetType(t *tap.Message, typ tap.Message_Type) { t.Type = &typ }
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