c5efd45720
* experimental dnstap support into proxy * proxy reports dnstap errors * refactoring * add a message builder for less dnstap code * msg lint * context * proxy by DNS: dnstap comments * TapBuilder * resolves conflict * dnstap into ServeDNS * testing * more tests * `go lint` * doc update
80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
package test
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import (
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"net"
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"reflect"
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"github.com/coredns/coredns/middleware/dnstap/msg"
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tap "github.com/dnstap/golang-dnstap"
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"golang.org/x/net/context"
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)
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// Context is a message trap.
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type Context struct {
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context.Context
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TrapTapper
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}
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// TestingData returns the Data matching coredns/test.ResponseWriter.
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func TestingData() (d *msg.Data) {
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d = &msg.Data{
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SocketFam: tap.SocketFamily_INET,
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SocketProto: tap.SocketProtocol_UDP,
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Address: net.ParseIP("10.240.0.1"),
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Port: 40212,
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}
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return
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}
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type comp struct {
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Type *tap.Message_Type
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SF *tap.SocketFamily
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SP *tap.SocketProtocol
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QA []byte
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RA []byte
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QP *uint32
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RP *uint32
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QTSec bool
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RTSec bool
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RM []byte
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QM []byte
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}
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func toComp(m *tap.Message) comp {
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return comp{
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Type: m.Type,
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SF: m.SocketFamily,
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SP: m.SocketProtocol,
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QA: m.QueryAddress,
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RA: m.ResponseAddress,
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QP: m.QueryPort,
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RP: m.ResponsePort,
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QTSec: m.QueryTimeSec != nil,
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RTSec: m.ResponseTimeSec != nil,
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RM: m.ResponseMessage,
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QM: m.QueryMessage,
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}
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}
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// MsgEqual compares two dnstap messages ignoring timestamps.
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func MsgEqual(a, b *tap.Message) bool {
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return reflect.DeepEqual(toComp(a), toComp(b))
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}
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// TrapTapper traps messages.
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type TrapTapper struct {
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Trap []*tap.Message
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Full bool
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}
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// TapMessage adds the message to the trap.
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func (t *TrapTapper) TapMessage(m *tap.Message) error {
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t.Trap = append(t.Trap, m)
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return nil
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}
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// TapBuilder returns a test msg.Builder.
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func (t *TrapTapper) TapBuilder() msg.Builder {
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return msg.Builder{Full: t.Full}
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}
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