NS-3 based Named Data Networking (NDN) simulator
ndnSIM 2.5: NDN, CCN, CCNx, content centric networks
API Documentation
buffer-source.cpp
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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5  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
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21 
23 
24 namespace ndn {
25 namespace security {
26 namespace transform {
27 
28 BufferSource::BufferSource(span<const uint8_t> buffer)
29  : m_bufs({buffer})
30 {
31 }
32 
33 BufferSource::BufferSource(const std::string& string)
34  : m_bufs({{reinterpret_cast<const uint8_t*>(string.data()), string.size()}})
35 {
36 }
37 
38 BufferSource::BufferSource(InputBuffers buffers)
39  : m_bufs(std::move(buffers))
40 {
41 }
42 
43 void
44 BufferSource::doPump()
45 {
46  BOOST_ASSERT(m_next != nullptr);
47 
48  for (auto buffer : m_bufs) {
49  while (!buffer.empty()) {
50  size_t nBytesWritten = m_next->write(buffer);
51  buffer = buffer.subspan(nBytesWritten);
52  }
53  }
54 
55  m_next->end();
56 }
57 
58 } // namespace transform
59 } // namespace security
60 } // namespace ndn
Copyright (c) 2011-2015 Regents of the University of California.
STL namespace.
BufferSource(span< const uint8_t > buffer)
Take buffer as input.
unique_ptr< Downstream > m_next
span_constexpr std::size_t size(span< T, Extent > const &spn)
Definition: span-lite.hpp:1535