buffer-source.cpp

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
#include "buffer-source.hpp"

namespace ndn {
namespace security {
namespace transform {

BufferSource::BufferSource(const uint8_t* buf, size_t size)
  : m_buf(buf)
  , m_size(size)
{
}

BufferSource::BufferSource(const std::string& string)
  : m_buf(reinterpret_cast<const uint8_t*>(string.data()))
  , m_size(string.size())
{
}

BufferSource::BufferSource(const Buffer& buffer)
  : m_buf(buffer.buf())
  , m_size(buffer.size())
{
}

void
BufferSource::doPump()
{
  BOOST_ASSERT(m_next != nullptr);

  const uint8_t* buf = m_buf;
  size_t size = m_size;

  while (0 < size) {
    size_t nBytesWritten = m_next->write(buf, size);
    buf += nBytesWritten;
    size -= nBytesWritten;
  }

  m_next->end();
}

} // namespace transform
} // namespace security
} // namespace ndn