buffer-source.cpp
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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
BufferSource(span< const uint8_t > buffer)
Take buffer as input.
unique_ptr< Downstream > m_next
Definition: data.cpp:25