| 1 |
package mock |
|
| 2 |
|
|
| 3 |
import ( |
|
| 4 |
"net"
|
|
| 5 |
|
|
| 6 |
"github.com/miekg/dns"
|
|
| 7 |
)
|
|
| 8 |
|
|
| 9 |
// Writer type
|
|
| 10 |
type Writer struct { |
|
| 11 |
msg *dns.Msg |
|
| 12 |
|
|
| 13 |
proto string |
|
| 14 |
|
|
| 15 |
localAddr net.Addr |
|
| 16 |
remoteAddr net.Addr |
|
| 17 |
|
|
| 18 |
remoteip net.IP |
|
| 19 |
}
|
|
| 20 |
|
|
| 21 |
// NewWriter return writer
|
|
| 22 |
func NewWriter(proto, addr string) *Writer { |
|
| 23 | 1 |
w := &Writer{} |
| 24 |
|
|
| 25 | 1 |
switch proto { |
| 26 | 1 |
case "tcp", "tcp-tls": |
| 27 | 1 |
w.localAddr = &net.TCPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 53} |
| 28 | 1 |
w.remoteAddr, _ = net.ResolveTCPAddr("tcp", addr) |
| 29 | 1 |
w.remoteip = w.remoteAddr.(*net.TCPAddr).IP |
| 30 | 1 |
w.proto = "tcp" |
| 31 |
|
|
| 32 | 1 |
case "udp": |
| 33 | 1 |
w.localAddr = &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1), Port: 53} |
| 34 | 1 |
w.remoteAddr, _ = net.ResolveUDPAddr("udp", addr) |
| 35 | 1 |
w.remoteip = w.remoteAddr.(*net.UDPAddr).IP |
| 36 | 1 |
w.proto = "udp" |
| 37 |
}
|
|
| 38 |
|
|
| 39 | 1 |
return w |
| 40 |
}
|
|
| 41 |
|
|
| 42 |
// Rcode return message response code
|
|
| 43 |
func (w *Writer) Rcode() int { |
|
| 44 |
if w.msg == nil { |
|
| 45 | 1 |
return dns.RcodeServerFailure |
| 46 |
}
|
|
| 47 |
|
|
| 48 | 1 |
return w.msg.Rcode |
| 49 |
}
|
|
| 50 |
|
|
| 51 |
// Msg return current dns message
|
|
| 52 |
func (w *Writer) Msg() *dns.Msg { |
|
| 53 | 1 |
return w.msg |
| 54 |
}
|
|
| 55 |
|
|
| 56 |
// Write func
|
|
| 57 |
func (w *Writer) Write(b []byte) (int, error) { |
|
| 58 | 1 |
w.msg = new(dns.Msg) |
| 59 | 1 |
err := w.msg.Unpack(b) |
| 60 |
if err != nil { |
|
| 61 | 1 |
return 0, err |
| 62 |
}
|
|
| 63 | 1 |
return len(b), nil |
| 64 |
}
|
|
| 65 |
|
|
| 66 |
// WriteMsg func
|
|
| 67 |
func (w *Writer) WriteMsg(msg *dns.Msg) error { |
|
| 68 | 1 |
w.msg = msg |
| 69 | 1 |
return nil |
| 70 |
}
|
|
| 71 |
|
|
| 72 |
// Written func
|
|
| 73 |
func (w *Writer) Written() bool { |
|
| 74 | 1 |
return w.msg != nil |
| 75 |
}
|
|
| 76 |
|
|
| 77 |
// RemoteIP func
|
|
| 78 | 1 |
func (w *Writer) RemoteIP() net.IP { return w.remoteip } |
| 79 |
|
|
| 80 |
// Proto func
|
|
| 81 | 1 |
func (w *Writer) Proto() string { return w.proto } |
| 82 |
|
|
| 83 |
// Reset func
|
|
| 84 |
func (w *Writer) Reset(rw dns.ResponseWriter) {} |
|
| 85 |
|
|
| 86 |
// Close func
|
|
| 87 | 1 |
func (w *Writer) Close() error { return nil } |
| 88 |
|
|
| 89 |
// Hijack func
|
|
| 90 |
func (w *Writer) Hijack() {} |
|
| 91 |
|
|
| 92 |
// LocalAddr func
|
|
| 93 | 1 |
func (w *Writer) LocalAddr() net.Addr { return w.localAddr } |
| 94 |
|
|
| 95 |
// RemoteAddr func
|
|
| 96 | 1 |
func (w *Writer) RemoteAddr() net.Addr { return w.remoteAddr } |
| 97 |
|
|
| 98 |
// TsigStatus func
|
|
| 99 | 1 |
func (w *Writer) TsigStatus() error { return nil } |
| 100 |
|
|
| 101 |
// TsigTimersOnly func
|
|
| 102 |
func (w *Writer) TsigTimersOnly(ok bool) {} |
|
| 103 |
|
|
| 104 |
// Internal func
|
|
| 105 | 1 |
func (w *Writer) Internal() bool { return true } |
Read our documentation on viewing source code .