.. _program_listing_file_BackendAsyncmsg_SendMessageUnbuffered.cpp:

Program Listing for File SendMessageUnbuffered.cpp
==================================================

|exhale_lsh| :ref:`Return to documentation for file <file_BackendAsyncmsg_SendMessageUnbuffered.cpp>` (``BackendAsyncmsg/SendMessageUnbuffered.cpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #include "SendMessageUnbuffered.hpp"
   
   #include <algorithm>
   
   netio3::asyncmsg::SendMessageUnbuffered::SendMessageUnbuffered(
     const std::span<const std::uint8_t> data,
     const std::span<const std::uint8_t> header_data,
     const std::uint64_t key) :
     m_data{data}, m_header_data{header_data.begin(), header_data.end()}, m_key{key}
   {}
   
   netio3::asyncmsg::SendMessageUnbuffered::SendMessageUnbuffered(
     const std::span<const iovec> data,
     const std::span<const std::uint8_t> header_data,
     const std::uint64_t key) :
     m_data{[data]() {
       auto transformed = std::vector<std::span<const std::uint8_t>>{};
       std::ranges::transform(
         data,
         std::back_inserter(transformed),
         [](const auto& entry) -> decltype(transformed)::value_type {
           return {static_cast<const std::uint8_t*>(entry.iov_base), entry.iov_len};
         });
       return transformed;
     }()},
     m_header_data{header_data.begin(), header_data.end()},
     m_key{key}
   {}
   
   void netio3::asyncmsg::SendMessageUnbuffered::toBuffers(
     std::vector<boost::asio::const_buffer>& buffers) const
   {
     const boost::asio::const_buffer headerDataBuffer(m_header_data.data(), std::size(m_header_data));
     buffers.push_back(headerDataBuffer);
     std::ranges::transform(m_data, std::back_inserter(buffers), [](const auto& entry) {
       return boost::asio::const_buffer(entry.data(), std::size(entry));
     });
   }