blob: cf9871e2f7ac9e97183faec0be5784c329a76552 [file] [log] [blame]
Alexander Afanasyev8b379052011-08-21 16:58:20 -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_DTAG_H_
22#define _CCNB_PARSER_DTAG_H_
23
Alexander Afanasyev2b4c9472012-08-09 15:00:38 -070024#include "base-tag.h"
Alexander Afanasyev8b379052011-08-21 16:58:20 -070025
26namespace ns3 {
Alexander Afanasyev2b4c9472012-08-09 15:00:38 -070027namespace ndn {
Alexander Afanasyev8b379052011-08-21 16:58:20 -070028namespace CcnbParser {
29
30/**
31 * \ingroup ccnx-ccnb
32 * \brief Class to represent DTAG ccnb-encoded node
33 *
34 * \see http://www.ccnx.org/releases/latest/doc/technical/BinaryEncoding.html
35 */
36class Dtag : public BaseTag
37{
38public:
39 /**
40 * \brief Constructor that actually parsed ccnb-encoded DTAG block
41 *
42 * \param start buffer iterator pointing to the first nesting block or closing tag
43 * \param dtag dictionary code of DTAG (extracted from the value field)
44 *
45 * DTAG parsing is slightly hacked to provide memory optimization
46 * for NS-3 simulations. Parsing will be stopped after encountering
Alexander Afanasyev6315ef72012-06-01 20:56:31 -070047 * "Content" dtag. Actual content (including virtual payload) will
Alexander Afanasyev8b379052011-08-21 16:58:20 -070048 * be stored in Packet buffer
49 *
50 * \see http://www.ccnx.org/releases/latest/doc/technical/BinaryEncoding.html
51 */
52 Dtag (Buffer::Iterator &start, uint32_t dtag);
53
Alexander Afanasyeve709f3d2011-08-21 17:55:45 -070054 virtual void accept( VoidNoArguVisitor &v ) { v.visit( *this ); }
55 virtual void accept( VoidVisitor &v, boost::any param ) { v.visit( *this, param ); }
56 virtual boost::any accept( NoArguVisitor &v ) { return v.visit( *this ); }
57 virtual boost::any accept( Visitor &v, boost::any param ) { return v.visit( *this, param ); }
Alexander Afanasyev8b379052011-08-21 16:58:20 -070058
59 uint32_t m_dtag; ///< \brief Dictionary code for DTAG
60};
61
62}
63}
Alexander Afanasyev2b4c9472012-08-09 15:00:38 -070064}
Alexander Afanasyev8b379052011-08-21 16:58:20 -070065
66#endif // _CCNB_PARSER_DTAG_H_