packet-base.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * Copyright (c) 2013-2017 Regents of the University of California.
4  *
5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
6  *
7  * ndn-cxx library is free software: you can redistribute it and/or modify it under the
8  * terms of the GNU Lesser General Public License as published by the Free Software
9  * Foundation, either version 3 of the License, or (at your option) any later version.
10  *
11  * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
13  * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
14  *
15  * You should have received copies of the GNU General Public License and GNU Lesser
16  * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
17  * <http://www.gnu.org/licenses/>.
18  *
19  * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
20  */
21 
22 #include "packet-base.hpp"
23 #include "lp/tags.hpp"
24 
25 namespace ndn {
26 
27 uint64_t
29 {
30  auto mark = this->getTag<lp::CongestionMarkTag>();
31 
32  if (mark == nullptr) {
33  return 0;
34  }
35  else {
36  return *mark;
37  }
38 }
39 
40 void
42 {
43  if (mark != 0) {
44  auto tag = make_shared<lp::CongestionMarkTag>(mark);
45  this->setTag(std::move(tag));
46  }
47  else {
48  this->removeTag<lp::CongestionMarkTag>();
49  }
50 }
51 
52 } // namespace ndn
Copyright (c) 2013-2017 Regents of the University of California.
Definition: common.hpp:66
uint64_t getCongestionMark() const
get the value of the CongestionMark tag
Definition: packet-base.cpp:28
void setTag(shared_ptr< T > tag) const
set a tag item
Definition: tag-host.hpp:80
void setCongestionMark(uint64_t mark)
set the CongestionMark tag to the specified value
Definition: packet-base.cpp:41