std::size_t write_at_buffer_sequence(SyncRandomAccessWriteDevice& d,
uint64_t offset, 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(d.write_some_at(offset + tmp.total_consumed(),
tmp.prepare(max_size), ec));
}
else
break;
}
return tmp.total_consumed();;
}
std::size_t write_at(SyncRandomAccessWriteDevice& d,
lslboost::uint64_t offset, const ConstBufferSequence& buffers,
CompletionCondition completion_condition, lslboost::system::error_code& ec)
{
ec = lslboost::system::error_code();
lslboost::asio::detail::consuming_buffers<
const_buffer, ConstBufferSequence> tmp(buffers);
std::size_t total_transferred = 0;
tmp.prepare(detail::adapt_completion_condition_result(
completion_condition(ec, total_transferred)));
while (tmp.begin() != tmp.end())
{
std::size_t bytes_transferred = d.write_some_at(
offset + total_transferred, tmp, ec);
tmp.consume(bytes_transferred);
total_transferred += bytes_transferred;
tmp.prepare(detail::adapt_completion_condition_result(
completion_condition(ec, total_transferred)));
}
return total_transferred;
}
