FM / impl

/usr/include/boost/asio/impl

Name	Size	Mode	Actions
awaitable.hpp	11748	0644	edit dl rm
buffered_read_stream.hpp	16925	0644	edit dl rm
buffered_write_stream.hpp	16429	0644	edit dl rm
compose.hpp	20461	0644	edit dl rm
connect.hpp	32234	0644	edit dl rm
co_spawn.hpp	8834	0644	edit dl rm
defer.hpp	7803	0644	edit dl rm
detached.hpp	3374	0644	edit dl rm
dispatch.hpp	7567	0644	edit dl rm
error.ipp	3070	0644	edit dl rm
execution_context.hpp	3247	0644	edit dl rm
execution_context.ipp	1801	0644	edit dl rm
executor.hpp	6835	0644	edit dl rm
executor.ipp	1002	0644	edit dl rm
handler_alloc_hook.ipp	1984	0644	edit dl rm
io_context.hpp	13728	0644	edit dl rm
io_context.ipp	4108	0644	edit dl rm
multiple_exceptions.ipp	1280	0644	edit dl rm
post.hpp	7762	0644	edit dl rm
read.hpp	45178	0644	edit dl rm
read_at.hpp	28331	0644	edit dl rm
read_until.hpp	115335	0644	edit dl rm
redirect_error.hpp	12015	0644	edit dl rm
serial_port_base.hpp	1375	0644	edit dl rm
serial_port_base.ipp	13327	0644	edit dl rm
spawn.hpp	15854	0644	edit dl rm
src.hpp	3833	0644	edit dl rm
system_context.hpp	875	0644	edit dl rm
system_context.ipp	2109	0644	edit dl rm
system_executor.hpp	6391	0644	edit dl rm
thread_pool.hpp	10853	0644	edit dl rm
thread_pool.ipp	3132	0644	edit dl rm
use_awaitable.hpp	7244	0644	edit dl rm
use_future.hpp	27610	0644	edit dl rm
write.hpp	41076	0644	edit dl rm
write_at.hpp	24732	0644	edit dl rm

Edit: /usr/include/boost/asio/impl/write.hpp (41076B)

//
// impl/write.hpp
// ~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef BOOST_ASIO_IMPL_WRITE_HPP
#define BOOST_ASIO_IMPL_WRITE_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include <boost/asio/associated_allocator.hpp>
#include <boost/asio/associated_executor.hpp>
#include <boost/asio/buffer.hpp>
#include <boost/asio/completion_condition.hpp>
#include <boost/asio/detail/array_fwd.hpp>
#include <boost/asio/detail/base_from_completion_cond.hpp>
#include <boost/asio/detail/bind_handler.hpp>
#include <boost/asio/detail/consuming_buffers.hpp>
#include <boost/asio/detail/dependent_type.hpp>
#include <boost/asio/detail/handler_alloc_helpers.hpp>
#include <boost/asio/detail/handler_cont_helpers.hpp>
#include <boost/asio/detail/handler_invoke_helpers.hpp>
#include <boost/asio/detail/handler_tracking.hpp>
#include <boost/asio/detail/handler_type_requirements.hpp>
#include <boost/asio/detail/non_const_lvalue.hpp>
#include <boost/asio/detail/throw_error.hpp>

#include <boost/asio/detail/push_options.hpp>

namespace boost {
namespace asio {

namespace detail
{
  template <typename SyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition>
  std::size_t write_buffer_sequence(SyncWriteStream& s,
      const ConstBufferSequence& buffers, const ConstBufferIterator&,
      CompletionCondition completion_condition, boost::system::error_code& ec)
  {
    ec = boost::system::error_code();
    boost::asio::detail::consuming_buffers<const_buffer,
        ConstBufferSequence, ConstBufferIterator> tmp(buffers);
    while (!tmp.empty())
    {
      if (std::size_t max_size = detail::adapt_completion_condition_result(
            completion_condition(ec, tmp.total_consumed())))
        tmp.consume(s.write_some(tmp.prepare(max_size), ec));
      else
        break;
    }
    return tmp.total_consumed();;
  }
} // namespace detail

template <typename SyncWriteStream, typename ConstBufferSequence,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
    CompletionCondition completion_condition, boost::system::error_code& ec,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  return detail::write_buffer_sequence(s, buffers,
      boost::asio::buffer_sequence_begin(buffers),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}

template <typename SyncWriteStream, typename ConstBufferSequence>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s, buffers, transfer_all(), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

template <typename SyncWriteStream, typename ConstBufferSequence>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
    boost::system::error_code& ec,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  return write(s, buffers, transfer_all(), ec);
}

template <typename SyncWriteStream, typename ConstBufferSequence,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, const ConstBufferSequence& buffers,
    CompletionCondition completion_condition,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s, buffers,
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

#if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

template <typename SyncWriteStream, typename DynamicBuffer_v1,
    typename CompletionCondition>
std::size_t write(SyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    CompletionCondition completion_condition, boost::system::error_code& ec,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  typename decay<DynamicBuffer_v1>::type b(
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers));

std::size_t bytes_transferred = write(s, b.data(),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
  b.consume(bytes_transferred);
  return bytes_transferred;
}

template <typename SyncWriteStream, typename DynamicBuffer_v1>
inline std::size_t write(SyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
      transfer_all(), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

template <typename SyncWriteStream, typename DynamicBuffer_v1>
inline std::size_t write(SyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    boost::system::error_code& ec,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  return write(s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
      transfer_all(), ec);
}

template <typename SyncWriteStream, typename DynamicBuffer_v1,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    CompletionCondition completion_condition,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

#if !defined(BOOST_ASIO_NO_EXTENSIONS)
#if !defined(BOOST_ASIO_NO_IOSTREAM)

template <typename SyncWriteStream, typename Allocator,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b,
    CompletionCondition completion_condition, boost::system::error_code& ec)
{
  return write(s, basic_streambuf_ref<Allocator>(b),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
}

template <typename SyncWriteStream, typename Allocator>
inline std::size_t write(SyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b)
{
  return write(s, basic_streambuf_ref<Allocator>(b));
}

template <typename SyncWriteStream, typename Allocator>
inline std::size_t write(SyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b,
    boost::system::error_code& ec)
{
  return write(s, basic_streambuf_ref<Allocator>(b), ec);
}

template <typename SyncWriteStream, typename Allocator,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b,
    CompletionCondition completion_condition)
{
  return write(s, basic_streambuf_ref<Allocator>(b),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}

#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

template <typename SyncWriteStream, typename DynamicBuffer_v2,
    typename CompletionCondition>
std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
    CompletionCondition completion_condition, boost::system::error_code& ec,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  std::size_t bytes_transferred = write(s, buffers.data(0, buffers.size()),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
  buffers.consume(bytes_transferred);
  return bytes_transferred;
}

template <typename SyncWriteStream, typename DynamicBuffer_v2>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
      transfer_all(), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

template <typename SyncWriteStream, typename DynamicBuffer_v2>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
    boost::system::error_code& ec,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  return write(s, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
      transfer_all(), ec);
}

template <typename SyncWriteStream, typename DynamicBuffer_v2,
    typename CompletionCondition>
inline std::size_t write(SyncWriteStream& s, DynamicBuffer_v2 buffers,
    CompletionCondition completion_condition,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  boost::system::error_code ec;
  std::size_t bytes_transferred = write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition), ec);
  boost::asio::detail::throw_error(ec, "write");
  return bytes_transferred;
}

namespace detail
{
  template <typename AsyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition,
      typename WriteHandler>
  class write_op
    : detail::base_from_completion_cond<CompletionCondition>
  {
  public:
    write_op(AsyncWriteStream& stream, const ConstBufferSequence& buffers,
        CompletionCondition& completion_condition, WriteHandler& handler)
      : detail::base_from_completion_cond<
          CompletionCondition>(completion_condition),
        stream_(stream),
        buffers_(buffers),
        start_(0),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))
    {
    }

#if defined(BOOST_ASIO_HAS_MOVE)
    write_op(const write_op& other)
      : detail::base_from_completion_cond<CompletionCondition>(other),
        stream_(other.stream_),
        buffers_(other.buffers_),
        start_(other.start_),
        handler_(other.handler_)
    {
    }

write_op(write_op&& other)
      : detail::base_from_completion_cond<CompletionCondition>(
          BOOST_ASIO_MOVE_CAST(detail::base_from_completion_cond<
            CompletionCondition>)(other)),
        stream_(other.stream_),
        buffers_(BOOST_ASIO_MOVE_CAST(buffers_type)(other.buffers_)),
        start_(other.start_),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_))
    {
    }
#endif // defined(BOOST_ASIO_HAS_MOVE)

void operator()(const boost::system::error_code& ec,
        std::size_t bytes_transferred, int start = 0)
    {
      std::size_t max_size;
      switch (start_ = start)
      {
        case 1:
        max_size = this->check_for_completion(ec, buffers_.total_consumed());
        do
        {
          {
            BOOST_ASIO_HANDLER_LOCATION((__FILE__, __LINE__, "async_write"));
            stream_.async_write_some(buffers_.prepare(max_size),
                BOOST_ASIO_MOVE_CAST(write_op)(*this));
          }
          return; default:
          buffers_.consume(bytes_transferred);
          if ((!ec && bytes_transferred == 0) || buffers_.empty())
            break;
          max_size = this->check_for_completion(ec, buffers_.total_consumed());
        } while (max_size > 0);

handler_(ec, buffers_.total_consumed());
      }
    }

//private:
    typedef boost::asio::detail::consuming_buffers<const_buffer,
        ConstBufferSequence, ConstBufferIterator> buffers_type;

AsyncWriteStream& stream_;
    buffers_type buffers_;
    int start_;
    WriteHandler handler_;
  };

template <typename AsyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_allocate_is_deprecated
  asio_handler_allocate(std::size_t size,
      write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
        CompletionCondition, WriteHandler>* this_handler)
  {
#if defined(BOOST_ASIO_NO_DEPRECATED)
    boost_asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
    return asio_handler_allocate_is_no_longer_used();
#else // defined(BOOST_ASIO_NO_DEPRECATED)
    return boost_asio_handler_alloc_helpers::allocate(
        size, this_handler->handler_);
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_deallocate_is_deprecated
  asio_handler_deallocate(void* pointer, std::size_t size,
      write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_alloc_helpers::deallocate(
        pointer, size, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_deallocate_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition,
      typename WriteHandler>
  inline bool asio_handler_is_continuation(
      write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
        CompletionCondition, WriteHandler>* this_handler)
  {
    return this_handler->start_ == 0 ? true
      : boost_asio_handler_cont_helpers::is_continuation(
          this_handler->handler_);
  }

template <typename Function, typename AsyncWriteStream,
      typename ConstBufferSequence, typename ConstBufferIterator,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(Function& function,
      write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename Function, typename AsyncWriteStream,
      typename ConstBufferSequence, typename ConstBufferIterator,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(const Function& function,
      write_op<AsyncWriteStream, ConstBufferSequence, ConstBufferIterator,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename ConstBufferSequence,
      typename ConstBufferIterator, typename CompletionCondition,
      typename WriteHandler>
  inline void start_write_buffer_sequence_op(AsyncWriteStream& stream,
      const ConstBufferSequence& buffers, const ConstBufferIterator&,
      CompletionCondition& completion_condition, WriteHandler& handler)
  {
    detail::write_op<AsyncWriteStream, ConstBufferSequence,
      ConstBufferIterator, CompletionCondition, WriteHandler>(
        stream, buffers, completion_condition, handler)(
          boost::system::error_code(), 0, 1);
  }

template <typename AsyncWriteStream>
  class initiate_async_write_buffer_sequence
  {
  public:
    typedef typename AsyncWriteStream::executor_type executor_type;

explicit initiate_async_write_buffer_sequence(AsyncWriteStream& stream)
      : stream_(stream)
    {
    }

executor_type get_executor() const BOOST_ASIO_NOEXCEPT
    {
      return stream_.get_executor();
    }

template <typename WriteHandler, typename ConstBufferSequence,
        typename CompletionCondition>
    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
        const ConstBufferSequence& buffers,
        BOOST_ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
    {
      // If you get an error on the following line it means that your handler
      // does not meet the documented type requirements for a WriteHandler.
      BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;

non_const_lvalue<WriteHandler> handler2(handler);
      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
      start_write_buffer_sequence_op(stream_, buffers,
          boost::asio::buffer_sequence_begin(buffers),
          completion_cond2.value, handler2.value);
    }

private:
    AsyncWriteStream& stream_;
  };
} // namespace detail

#if !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream, typename ConstBufferSequence,
    typename ConstBufferIterator, typename CompletionCondition,
    typename WriteHandler, typename Allocator>
struct associated_allocator<
    detail::write_op<AsyncWriteStream, ConstBufferSequence,
      ConstBufferIterator, CompletionCondition, WriteHandler>,
    Allocator>
{
  typedef typename associated_allocator<WriteHandler, Allocator>::type type;

static type get(
      const detail::write_op<AsyncWriteStream, ConstBufferSequence,
        ConstBufferIterator, CompletionCondition, WriteHandler>& h,
      const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
  {
    return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
  }
};

template <typename AsyncWriteStream, typename ConstBufferSequence,
    typename ConstBufferIterator, typename CompletionCondition,
    typename WriteHandler, typename Executor>
struct associated_executor<
    detail::write_op<AsyncWriteStream, ConstBufferSequence,
      ConstBufferIterator, CompletionCondition, WriteHandler>,
    Executor>
  : detail::associated_executor_forwarding_base<WriteHandler, Executor>
{
  typedef typename associated_executor<WriteHandler, Executor>::type type;

static type get(
      const detail::write_op<AsyncWriteStream, ConstBufferSequence,
        ConstBufferIterator, CompletionCondition, WriteHandler>& h,
      const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
  {
    return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
  }
};

#endif // !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream,
    typename ConstBufferSequence, typename CompletionCondition,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
    CompletionCondition completion_condition,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  return async_initiate<WriteHandler,
    void (boost::system::error_code, std::size_t)>(
      detail::initiate_async_write_buffer_sequence<AsyncWriteStream>(s),
      handler, buffers,
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}

template <typename AsyncWriteStream, typename ConstBufferSequence,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, const ConstBufferSequence& buffers,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_const_buffer_sequence<ConstBufferSequence>::value
    >::type*)
{
  return async_initiate<WriteHandler,
    void (boost::system::error_code, std::size_t)>(
      detail::initiate_async_write_buffer_sequence<AsyncWriteStream>(s),
      handler, buffers, transfer_all());
}

#if !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

namespace detail
{
  template <typename AsyncWriteStream, typename DynamicBuffer_v1,
      typename CompletionCondition, typename WriteHandler>
  class write_dynbuf_v1_op
  {
  public:
    template <typename BufferSequence>
    write_dynbuf_v1_op(AsyncWriteStream& stream,
        BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
        CompletionCondition& completion_condition, WriteHandler& handler)
      : stream_(stream),
        buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
        completion_condition_(
          BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition)),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))
    {
    }

#if defined(BOOST_ASIO_HAS_MOVE)
    write_dynbuf_v1_op(const write_dynbuf_v1_op& other)
      : stream_(other.stream_),
        buffers_(other.buffers_),
        completion_condition_(other.completion_condition_),
        handler_(other.handler_)
    {
    }

write_dynbuf_v1_op(write_dynbuf_v1_op&& other)
      : stream_(other.stream_),
        buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(other.buffers_)),
        completion_condition_(
          BOOST_ASIO_MOVE_CAST(CompletionCondition)(
            other.completion_condition_)),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_))
    {
    }
#endif // defined(BOOST_ASIO_HAS_MOVE)

void operator()(const boost::system::error_code& ec,
        std::size_t bytes_transferred, int start = 0)
    {
      switch (start)
      {
        case 1:
        async_write(stream_, buffers_.data(),
            BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
            BOOST_ASIO_MOVE_CAST(write_dynbuf_v1_op)(*this));
        return; default:
        buffers_.consume(bytes_transferred);
        handler_(ec, static_cast<const std::size_t&>(bytes_transferred));
      }
    }

//private:
    AsyncWriteStream& stream_;
    DynamicBuffer_v1 buffers_;
    CompletionCondition completion_condition_;
    WriteHandler handler_;
  };

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_allocate_is_deprecated
  asio_handler_allocate(std::size_t size,
      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
        CompletionCondition, WriteHandler>* this_handler)
  {
#if defined(BOOST_ASIO_NO_DEPRECATED)
    boost_asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
    return asio_handler_allocate_is_no_longer_used();
#else // defined(BOOST_ASIO_NO_DEPRECATED)
    return boost_asio_handler_alloc_helpers::allocate(
        size, this_handler->handler_);
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_deallocate_is_deprecated
  asio_handler_deallocate(void* pointer, std::size_t size,
      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_alloc_helpers::deallocate(
        pointer, size, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_deallocate_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
      typename CompletionCondition, typename WriteHandler>
  inline bool asio_handler_is_continuation(
      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
        CompletionCondition, WriteHandler>* this_handler)
  {
    return boost_asio_handler_cont_helpers::is_continuation(
        this_handler->handler_);
  }

template <typename Function, typename AsyncWriteStream,
      typename DynamicBuffer_v1, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(Function& function,
      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename Function, typename AsyncWriteStream,
      typename DynamicBuffer_v1, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(const Function& function,
      write_dynbuf_v1_op<AsyncWriteStream, DynamicBuffer_v1,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream>
  class initiate_async_write_dynbuf_v1
  {
  public:
    typedef typename AsyncWriteStream::executor_type executor_type;

explicit initiate_async_write_dynbuf_v1(AsyncWriteStream& stream)
      : stream_(stream)
    {
    }

executor_type get_executor() const BOOST_ASIO_NOEXCEPT
    {
      return stream_.get_executor();
    }

template <typename WriteHandler, typename DynamicBuffer_v1,
        typename CompletionCondition>
    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
        BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
        BOOST_ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
    {
      // If you get an error on the following line it means that your handler
      // does not meet the documented type requirements for a WriteHandler.
      BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;

non_const_lvalue<WriteHandler> handler2(handler);
      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
      write_dynbuf_v1_op<AsyncWriteStream,
        typename decay<DynamicBuffer_v1>::type,
          CompletionCondition, typename decay<WriteHandler>::type>(
            stream_, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
              completion_cond2.value, handler2.value)(
                boost::system::error_code(), 0, 1);
    }

private:
    AsyncWriteStream& stream_;
  };
} // namespace detail

#if !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
    typename CompletionCondition, typename WriteHandler, typename Allocator>
struct associated_allocator<
    detail::write_dynbuf_v1_op<AsyncWriteStream,
      DynamicBuffer_v1, CompletionCondition, WriteHandler>,
    Allocator>
{
  typedef typename associated_allocator<WriteHandler, Allocator>::type type;

static type get(
      const detail::write_dynbuf_v1_op<AsyncWriteStream,
        DynamicBuffer_v1, CompletionCondition, WriteHandler>& h,
      const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
  {
    return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
  }
};

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
    typename CompletionCondition, typename WriteHandler, typename Executor>
struct associated_executor<
    detail::write_dynbuf_v1_op<AsyncWriteStream,
      DynamicBuffer_v1, CompletionCondition, WriteHandler>,
    Executor>
  : detail::associated_executor_forwarding_base<WriteHandler, Executor>
{
  typedef typename associated_executor<WriteHandler, Executor>::type type;

static type get(
      const detail::write_dynbuf_v1_op<AsyncWriteStream,
        DynamicBuffer_v1, CompletionCondition, WriteHandler>& h,
      const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
  {
    return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
  }
};

#endif // !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream, typename DynamicBuffer_v1,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  return async_write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
      transfer_all(), BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
}

template <typename AsyncWriteStream,
    typename DynamicBuffer_v1, typename CompletionCondition,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
    BOOST_ASIO_MOVE_ARG(DynamicBuffer_v1) buffers,
    CompletionCondition completion_condition,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_dynamic_buffer_v1<typename decay<DynamicBuffer_v1>::type>::value
        && !is_dynamic_buffer_v2<typename decay<DynamicBuffer_v1>::type>::value
    >::type*)
{
  return async_initiate<WriteHandler,
    void (boost::system::error_code, std::size_t)>(
      detail::initiate_async_write_dynbuf_v1<AsyncWriteStream>(s),
      handler, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v1)(buffers),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}

#if !defined(BOOST_ASIO_NO_EXTENSIONS)
#if !defined(BOOST_ASIO_NO_IOSTREAM)

template <typename AsyncWriteStream, typename Allocator,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
{
  return async_write(s, basic_streambuf_ref<Allocator>(b),
      BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
}

template <typename AsyncWriteStream,
    typename Allocator, typename CompletionCondition,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s,
    boost::asio::basic_streambuf<Allocator>& b,
    CompletionCondition completion_condition,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler)
{
  return async_write(s, basic_streambuf_ref<Allocator>(b),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition),
      BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
}

#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // !defined(BOOST_ASIO_NO_EXTENSIONS)
#endif // !defined(BOOST_ASIO_NO_DYNAMIC_BUFFER_V1)

namespace detail
{
  template <typename AsyncWriteStream, typename DynamicBuffer_v2,
      typename CompletionCondition, typename WriteHandler>
  class write_dynbuf_v2_op
  {
  public:
    template <typename BufferSequence>
    write_dynbuf_v2_op(AsyncWriteStream& stream,
        BOOST_ASIO_MOVE_ARG(BufferSequence) buffers,
        CompletionCondition& completion_condition, WriteHandler& handler)
      : stream_(stream),
        buffers_(BOOST_ASIO_MOVE_CAST(BufferSequence)(buffers)),
        completion_condition_(
          BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition)),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(handler))
    {
    }

#if defined(BOOST_ASIO_HAS_MOVE)
    write_dynbuf_v2_op(const write_dynbuf_v2_op& other)
      : stream_(other.stream_),
        buffers_(other.buffers_),
        completion_condition_(other.completion_condition_),
        handler_(other.handler_)
    {
    }

write_dynbuf_v2_op(write_dynbuf_v2_op&& other)
      : stream_(other.stream_),
        buffers_(BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(other.buffers_)),
        completion_condition_(
          BOOST_ASIO_MOVE_CAST(CompletionCondition)(
            other.completion_condition_)),
        handler_(BOOST_ASIO_MOVE_CAST(WriteHandler)(other.handler_))
    {
    }
#endif // defined(BOOST_ASIO_HAS_MOVE)

void operator()(const boost::system::error_code& ec,
        std::size_t bytes_transferred, int start = 0)
    {
      switch (start)
      {
        case 1:
        async_write(stream_, buffers_.data(0, buffers_.size()),
            BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition_),
            BOOST_ASIO_MOVE_CAST(write_dynbuf_v2_op)(*this));
        return; default:
        buffers_.consume(bytes_transferred);
        handler_(ec, static_cast<const std::size_t&>(bytes_transferred));
      }
    }

//private:
    AsyncWriteStream& stream_;
    DynamicBuffer_v2 buffers_;
    CompletionCondition completion_condition_;
    WriteHandler handler_;
  };

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_allocate_is_deprecated
  asio_handler_allocate(std::size_t size,
      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
        CompletionCondition, WriteHandler>* this_handler)
  {
#if defined(BOOST_ASIO_NO_DEPRECATED)
    boost_asio_handler_alloc_helpers::allocate(size, this_handler->handler_);
    return asio_handler_allocate_is_no_longer_used();
#else // defined(BOOST_ASIO_NO_DEPRECATED)
    return boost_asio_handler_alloc_helpers::allocate(
        size, this_handler->handler_);
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
      typename CompletionCondition, typename WriteHandler>
  inline asio_handler_deallocate_is_deprecated
  asio_handler_deallocate(void* pointer, std::size_t size,
      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_alloc_helpers::deallocate(
        pointer, size, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_deallocate_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
      typename CompletionCondition, typename WriteHandler>
  inline bool asio_handler_is_continuation(
      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
        CompletionCondition, WriteHandler>* this_handler)
  {
    return boost_asio_handler_cont_helpers::is_continuation(
        this_handler->handler_);
  }

template <typename Function, typename AsyncWriteStream,
      typename DynamicBuffer_v2, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(Function& function,
      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename Function, typename AsyncWriteStream,
      typename DynamicBuffer_v2, typename CompletionCondition,
      typename WriteHandler>
  inline asio_handler_invoke_is_deprecated
  asio_handler_invoke(const Function& function,
      write_dynbuf_v2_op<AsyncWriteStream, DynamicBuffer_v2,
        CompletionCondition, WriteHandler>* this_handler)
  {
    boost_asio_handler_invoke_helpers::invoke(
        function, this_handler->handler_);
#if defined(BOOST_ASIO_NO_DEPRECATED)
    return asio_handler_invoke_is_no_longer_used();
#endif // defined(BOOST_ASIO_NO_DEPRECATED)
  }

template <typename AsyncWriteStream>
  class initiate_async_write_dynbuf_v2
  {
  public:
    typedef typename AsyncWriteStream::executor_type executor_type;

explicit initiate_async_write_dynbuf_v2(AsyncWriteStream& stream)
      : stream_(stream)
    {
    }

executor_type get_executor() const BOOST_ASIO_NOEXCEPT
    {
      return stream_.get_executor();
    }

template <typename WriteHandler, typename DynamicBuffer_v2,
        typename CompletionCondition>
    void operator()(BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
        BOOST_ASIO_MOVE_ARG(DynamicBuffer_v2) buffers,
        BOOST_ASIO_MOVE_ARG(CompletionCondition) completion_cond) const
    {
      // If you get an error on the following line it means that your handler
      // does not meet the documented type requirements for a WriteHandler.
      BOOST_ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;

non_const_lvalue<WriteHandler> handler2(handler);
      non_const_lvalue<CompletionCondition> completion_cond2(completion_cond);
      write_dynbuf_v2_op<AsyncWriteStream,
        typename decay<DynamicBuffer_v2>::type,
          CompletionCondition, typename decay<WriteHandler>::type>(
            stream_, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
              completion_cond2.value, handler2.value)(
                boost::system::error_code(), 0, 1);
    }

private:
    AsyncWriteStream& stream_;
  };
} // namespace detail

#if !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
    typename CompletionCondition, typename WriteHandler, typename Allocator>
struct associated_allocator<
    detail::write_dynbuf_v2_op<AsyncWriteStream,
      DynamicBuffer_v2, CompletionCondition, WriteHandler>,
    Allocator>
{
  typedef typename associated_allocator<WriteHandler, Allocator>::type type;

static type get(
      const detail::write_dynbuf_v2_op<AsyncWriteStream,
        DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
      const Allocator& a = Allocator()) BOOST_ASIO_NOEXCEPT
  {
    return associated_allocator<WriteHandler, Allocator>::get(h.handler_, a);
  }
};

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
    typename CompletionCondition, typename WriteHandler, typename Executor>
struct associated_executor<
    detail::write_dynbuf_v2_op<AsyncWriteStream,
      DynamicBuffer_v2, CompletionCondition, WriteHandler>,
    Executor>
  : detail::associated_executor_forwarding_base<WriteHandler, Executor>
{
  typedef typename associated_executor<WriteHandler, Executor>::type type;

static type get(
      const detail::write_dynbuf_v2_op<AsyncWriteStream,
        DynamicBuffer_v2, CompletionCondition, WriteHandler>& h,
      const Executor& ex = Executor()) BOOST_ASIO_NOEXCEPT
  {
    return associated_executor<WriteHandler, Executor>::get(h.handler_, ex);
  }
};

#endif // !defined(GENERATING_DOCUMENTATION)

template <typename AsyncWriteStream, typename DynamicBuffer_v2,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  return async_write(s,
      BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
      transfer_all(), BOOST_ASIO_MOVE_CAST(WriteHandler)(handler));
}

template <typename AsyncWriteStream,
    typename DynamicBuffer_v2, typename CompletionCondition,
    BOOST_ASIO_COMPLETION_TOKEN_FOR(void (boost::system::error_code,
      std::size_t)) WriteHandler>
inline BOOST_ASIO_INITFN_AUTO_RESULT_TYPE(WriteHandler,
    void (boost::system::error_code, std::size_t))
async_write(AsyncWriteStream& s, DynamicBuffer_v2 buffers,
    CompletionCondition completion_condition,
    BOOST_ASIO_MOVE_ARG(WriteHandler) handler,
    typename enable_if<
      is_dynamic_buffer_v2<DynamicBuffer_v2>::value
    >::type*)
{
  return async_initiate<WriteHandler,
    void (boost::system::error_code, std::size_t)>(
      detail::initiate_async_write_dynbuf_v2<AsyncWriteStream>(s),
      handler, BOOST_ASIO_MOVE_CAST(DynamicBuffer_v2)(buffers),
      BOOST_ASIO_MOVE_CAST(CompletionCondition)(completion_condition));
}

} // namespace asio
} // namespace boost

#include <boost/asio/detail/pop_options.hpp>

#endif // BOOST_ASIO_IMPL_WRITE_HPP

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