NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
notification-stream.hpp
Go to the documentation of this file.
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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2018 Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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*
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* ndn-cxx library is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later version.
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*
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* ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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*
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* You should have received copies of the GNU General Public License and GNU Lesser
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* General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* See AUTHORS.md for complete list of ndn-cxx authors and contributors.
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*/
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#ifndef NDN_UTIL_NOTIFICATION_STREAM_HPP
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#define NDN_UTIL_NOTIFICATION_STREAM_HPP
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#include "
concepts.hpp
"
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#include "../face.hpp"
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#include "../name.hpp"
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#include "../security/v2/key-chain.hpp"
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namespace
ndn
{
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namespace
util {
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template
<
typename
Notification>
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class
NotificationStream
: noncopyable
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{
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public
:
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BOOST_CONCEPT_ASSERT((
WireEncodable<Notification>
));
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NotificationStream
(
Face
&
face
,
const
Name
& prefix,
KeyChain
& keyChain)
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: m_face(
face
)
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, m_prefix(prefix)
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, m_keyChain(keyChain)
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, m_sequenceNo(0)
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{
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}
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virtual
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~NotificationStream
() =
default
;
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void
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postNotification
(
const
Notification& notification)
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{
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Name
dataName = m_prefix;
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dataName.
appendSequenceNumber
(m_sequenceNo);
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shared_ptr<Data> data = make_shared<Data>(dataName);
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data->setContent(notification.wireEncode());
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data->setFreshnessPeriod(1_s);
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m_keyChain.
sign
(*data);
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m_face.
put
(*data);
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++m_sequenceNo;
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}
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private
:
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Face
& m_face;
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const
Name
m_prefix;
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KeyChain
& m_keyChain;
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uint64_t m_sequenceNo;
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};
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}
// namespace util
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}
// namespace ndn
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#endif // NDN_UTIL_NOTIFICATION_STREAM_HPP
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-strategy-choice-helper.hpp:34
ndn::security::v2::KeyChain
The interface of signing key management.
Definition:
key-chain.hpp:46
ndn::util::NotificationStream
provides a publisher of Notification Stream
Definition:
notification-stream.hpp:43
ndn::util::NotificationStream::postNotification
void postNotification(const Notification ¬ification)
Definition:
notification-stream.hpp:60
ndn::util::NotificationStream::~NotificationStream
virtual ~NotificationStream()=default
ndn::Face
Provide a communication channel with local or remote NDN forwarder.
Definition:
face.hpp:90
face
ndn::util::NotificationStream::NotificationStream
NotificationStream(Face &face, const Name &prefix, KeyChain &keyChain)
Definition:
notification-stream.hpp:48
ndn::Name::appendSequenceNumber
Name & appendSequenceNumber(uint64_t seqNo)
Append a sequence number component.
Definition:
name.hpp:426
ndn::Name
Represents an absolute name.
Definition:
name.hpp:42
ndn::security::v2::KeyChain::sign
void sign(Data &data, const SigningInfo ¶ms=getDefaultSigningInfo())
Sign data according to the supplied signing information.
Definition:
key-chain.cpp:423
concepts.hpp
ndn::Face::put
void put(Data data)
Publish data packet.
Definition:
face.cpp:170
ndn::WireEncodable
a concept check for TLV abstraction with .wireEncode method
Definition:
concepts.hpp:44
ndnSIM
ndn-cxx
src
util
notification-stream.hpp
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