blob: c4912aa55f30b87d580862f886ea764537531940 [file] [log] [blame]
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
#ifndef _CCNB_PARSER_NONCE_VISITOR_H_
#define _CCNB_PARSER_NONCE_VISITOR_H_
#include "ccnb-parser-no-argu-depth-first-visitor.h"
namespace ns3 {
namespace CcnbParser {
/**
* \ingroup ccnx-ccnb
* \brief Visitor to obtain nonce value from BLOB block
*
* Note, only first 32 bits will be actually parsed into nonce. If
* original Nonce contains more, the rest will be ignored
*
* Will return empty boost::any() if called on anything except BLOB block
*/
class NonceVisitor : public NoArguDepthFirstVisitor
{
public:
virtual boost::any visit (Blob &n);
virtual boost::any visit (Udata &n); ///< Throws parsing error if BLOB object is encountered
};
}
}
#endif // _CCNB_PARSER_NONCE_VISITOR_H_