Method SendFile

lib/remote/httpmessage.cpp:223–256

template<bool isRequest, typename Body, typename StreamVariant>
void OutgoingHttpMessage<isRequest, Body, StreamVariant>::SendFile(
	const String& path,
	const boost::asio::yield_context& yc
)
{
	std::ifstream fp(path.CStr(), std::ifstream::in | std::ifstream::binary | std::ifstream::ate);
	fp.exceptions(std::ifstream::failbit | std::ifstream::badbit | std::ifstream::eofbit);

	std::uint64_t remaining = fp.tellg();
	fp.seekg(0);

	Base::content_length(remaining);
	Base::body().Start();

	while (remaining) {
		auto maxTransfer = std::min(remaining, static_cast<std::uint64_t>(l_FlushThreshold));

		using BodyBuffer = std::decay_t<decltype(std::declval<typename Body::value_type>().Buffer())>;
		using BufferOrSequence = typename BodyBuffer::mutable_buffers_type;
		
		boost::asio::mutable_buffer buf;

		if constexpr (!std::is_same_v<BufferOrSequence, boost::asio::mutable_buffer>) {
			buf = *Base::body().Buffer().prepare(maxTransfer).begin();
		} else {
			buf = Base::body().Buffer().prepare(maxTransfer);
		}
		fp.read(static_cast<char*>(buf.data()), buf.size());
		Base::body().Buffer().commit(buf.size());

		remaining -= buf.size();
		Flush(yc);
	}
}

template<bool isRequest, typename Body, typename StreamVariant>
JsonEncoder OutgoingHttpMessage<isRequest, Body, StreamVariant>::GetJsonEncoder(bool pretty)