blob: c4912aa55f30b87d580862f886ea764537531940 [file] [log] [blame]
Alexander Afanasyevf21c5be2011-08-22 00:35:54 -07001/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
2/*
3 * Copyright (c) 2011 University of California, Los Angeles
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 */
20
21#ifndef _CCNB_PARSER_NONCE_VISITOR_H_
22#define _CCNB_PARSER_NONCE_VISITOR_H_
23
24#include "ccnb-parser-no-argu-depth-first-visitor.h"
25
26namespace ns3 {
27namespace CcnbParser {
28
29/**
30 * \ingroup ccnx-ccnb
31 * \brief Visitor to obtain nonce value from BLOB block
32 *
33 * Note, only first 32 bits will be actually parsed into nonce. If
34 * original Nonce contains more, the rest will be ignored
35 *
36 * Will return empty boost::any() if called on anything except BLOB block
37 */
38class NonceVisitor : public NoArguDepthFirstVisitor
39{
40public:
41 virtual boost::any visit (Blob &n);
42 virtual boost::any visit (Udata &n); ///< Throws parsing error if BLOB object is encountered
43};
44
45}
46}
47
48#endif // _CCNB_PARSER_NONCE_VISITOR_H_