NS-3 based Named Data Networking (NDN) simulator
ndnSIM: NDN, CCN, CCNx, content centric networks
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attr.cc
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2011 University of California, Los Angeles
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
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*/
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#include "attr.h"
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#include "../common.h"
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NDN_NAMESPACE_BEGIN
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namespace
wire {
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namespace
CcnbParser {
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// length length in octets of UTF-8 encoding of tag name - 1 (minimum tag name length is 1)
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Attr::Attr (Buffer::Iterator &start, uint32_t length)
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{
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m_attr.reserve (length+2);
// extra byte for potential \0 at the end
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uint32_t i = 0;
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for
(; !start.IsEnd () && i < (length+1); i++)
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{
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m_attr.push_back (start.ReadU8 ());
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}
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if
(i < (length+1) && start.IsEnd ())
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throw
CcnbDecodingException
();
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m_value = DynamicCast<Udata> (Block::ParseBlock (start));
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if
(m_value == 0)
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throw
CcnbDecodingException
();
// "ATTR must be followed by UDATA field"
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}
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}
// namespace CcnbParser
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}
// namespace wire
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NDN_NAMESPACE_END
ns3::ndn::wire::CcnbParser::CcnbDecodingException
Exception thrown if there is a parsing error.
Definition:
common.h:50
ndnSIM
model
wire
ccnb
ccnb-parser
syntax-tree
attr.cc
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