Method send_headers

boost-http/http.cpp:207–236

  }

  void send_headers(http::status status, std::string content_type,
                    std::vector<std::pair<std::string, std::string>> headers) {
    res_.version(req_.version());
    res_.result((http::status)status);
    res_.set(http::field::server, "cocoon-client");
    if (content_type.size() > 0) {
      res_.set(http::field::content_type, content_type);
    }
    res_.keep_alive(req_.keep_alive());
    for (auto &h : headers) {
      if (allow_header(h.first)) {
        res_.set(h.first, h.second);
      }
    }
    res_.chunked(true);

    header_sr_.emplace(res_);

    writing_ = true;
    http::async_write_header(
        stream_, *header_sr_,
        asio::bind_executor(strand_, [self = shared_from_this()](beast::error_code error, std::size_t) {
          if (error) {
            LOG(ERROR) << "http: failed to write answer header: " << error.message();
            self->close();
            return;
          }
          self->write_completed(std::move(error), WriteType::Headers);
        }));
  }

  void send_error(http::status status, std::string body) {
    send_headers(status, "text/plain", {});