Move top level packages to internal.

internal/discover/packets.go

@@ -0,0 +1,31 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+package discover
+
+const (
+	AnnouncementMagic = 0x9D79BC39
+	QueryMagic        = 0x2CA856F5
+)
+
+type Query struct {
+	Magic  uint32
+	NodeID []byte // max:32
+}
+
+type Announce struct {
+	Magic uint32
+	This  Node
+	Extra []Node // max:16
+}
+
+type Node struct {
+	ID        []byte    // max:32
+	Addresses []Address // max:16
+}
+
+type Address struct {
+	IP   []byte // max:16
+	Port uint16
+}