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

go-agentx/pdu/timeout.go

@@ -0,0 +1,29 @@
+// Copyright 2018 The agentx authors
+// Licensed under the LGPLv3 with static-linking exception.
+// See LICENCE file for details.
+
+package pdu
+
+import "time"
+
+// Timeout defines the pdu timeout packet.
+type Timeout struct {
+	Duration time.Duration
+	Priority byte
+}
+
+// MarshalBinary returns the pdu packet as a slice of bytes.
+func (t *Timeout) MarshalBinary() ([]byte, error) {
+	return []byte{byte(t.Duration.Seconds()), t.Priority, 0x00, 0x00}, nil
+}
+
+// UnmarshalBinary sets the packet structure from the provided slice of bytes.
+func (t *Timeout) UnmarshalBinary(data []byte) error {
+	t.Duration = time.Duration(data[0]) * time.Second
+	t.Priority = data[1]
+	return nil
+}
+
+func (t Timeout) String() string {
+	return t.Duration.String()
+}