Method prepareRequest

src/IO/ReadWriteBufferFromHTTP.cpp:100–127

}

void ReadWriteBufferFromHTTP::prepareRequest(Poco::Net::HTTPRequest & request, std::optional<HTTPRange> range) const
{
    if (current_uri.getPort())
        request.setHost(current_uri.getHost(), current_uri.getPort());
    else
        request.setHost(current_uri.getHost());

    if (out_stream_callback)
        request.setChunkedTransferEncoding(true);
    else if (method == Poco::Net::HTTPRequest::HTTP_POST)
        request.setContentLength(0);    /// No callback - no body

    for (const auto & [header, value] : http_header_entries)
        request.set(header, value);

    if (range)
    {
        String range_header_value;
        if (range->end)
            range_header_value = fmt::format("bytes={}-{}", *range->begin, *range->end);
        else
            range_header_value = fmt::format("bytes={}-", *range->begin);
        request.set("Range", range_header_value);
    }

    if (!credentials.getUsername().empty())
        credentials.authenticate(request);
}

std::optional<size_t> ReadWriteBufferFromHTTP::tryGetFileSize()
{