Temporarily add go-agentx (w/ fixes to lexico ordering)

go-agentx/pdu/unregister.go

@@ -0,0 +1,37 @@
+// Copyright 2018 The agentx authors
+// Licensed under the LGPLv3 with static-linking exception.
+// See LICENCE file for details.
+
+package pdu
+
+import (
+	"github.com/posteo/go-agentx/marshaler"
+)
+
+// Unregister defines the pdu unregister packet.
+type Unregister struct {
+	Timeout Timeout
+	Subtree ObjectIdentifier
+}
+
+// Type returns the pdu packet type.
+func (u *Unregister) Type() Type {
+	return TypeUnregister
+}
+
+// MarshalBinary returns the pdu packet as a slice of bytes.
+func (u *Unregister) MarshalBinary() ([]byte, error) {
+	combined := marshaler.NewMulti(&u.Timeout, &u.Subtree)
+
+	combinedBytes, err := combined.MarshalBinary()
+	if err != nil {
+		return nil, err
+	}
+
+	return combinedBytes, nil
+}
+
+// UnmarshalBinary sets the packet structure from the provided slice of bytes.
+func (u *Unregister) UnmarshalBinary(data []byte) error {
+	return nil
+}