Method WriteBufferFromHTTP

src/IO/WriteBufferFromHTTP.cpp:17–53

{

WriteBufferFromHTTP::WriteBufferFromHTTP(
    const HTTPConnectionGroupType & connection_group,
    const Poco::URI & uri,
    const std::string & method,
    const std::string & content_type,
    const std::string & content_encoding,
    const HTTPHeaderEntries & additional_headers,
    const ConnectionTimeouts & timeouts,
    size_t buffer_size_,
    ProxyConfiguration proxy_configuration
)
    : WriteBufferFromOStream(buffer_size_)
    , session{makeHTTPSession(connection_group, uri, timeouts, proxy_configuration)}
    , request{method, uri.getPathAndQuery(), Poco::Net::HTTPRequest::HTTP_1_1}
{
    if (uri.getPort())
        request.setHost(uri.getHost(), uri.getPort());
    else
        request.setHost(uri.getHost());
    request.setChunkedTransferEncoding(true);

    if (!content_encoding.empty())
        request.set("Content-Encoding", content_encoding);

    for (const auto & header: additional_headers)
        request.add(header.name, header.value);

    if (!content_type.empty() && !request.has("Content-Type"))
    {
        request.set("Content-Type", content_type);
    }

    LOG_TRACE((getLogger("WriteBufferToHTTP")), "Sending request to {}", uri.toString());

    ProfileEvents::increment(ProfileEvents::WriteBufferFromHTTPRequestsSent);
    ostr = &session->sendRequest(request);
}

void WriteBufferFromHTTP::nextImpl()
{