runtime::post_outcome runtime::do_post()

in src/runtime.cpp [325:379]

• 48 lines of code
• 4 McCabe index (conditional complexity)

runtime::post_outcome runtime::do_post(
    std::string const& url,
    std::string const& request_id,
    invocation_response const& handler_response)
{
    set_curl_post_result_options();
    curl_easy_setopt(m_curl_handle, CURLOPT_URL, url.c_str());
    logging::log_info(LOG_TAG, "Making request to %s", url.c_str());

    curl_slist* headers = nullptr;
    if (handler_response.get_content_type().empty()) {
        headers = curl_slist_append(headers, "content-type: text/html");
    }
    else {
        headers = curl_slist_append(headers, ("content-type: " + handler_response.get_content_type()).c_str());
    }

    headers = curl_slist_append(headers, "Expect:");
    headers = curl_slist_append(headers, "transfer-encoding:");
    headers = curl_slist_append(headers, m_user_agent_header.c_str());
    auto const& payload = handler_response.get_payload();
    logging::log_debug(
        LOG_TAG, "calculating content length... %s", ("content-length: " + std::to_string(payload.length())).c_str());
    headers = curl_slist_append(headers, ("content-length: " + std::to_string(payload.length())).c_str());

    std::pair<std::string const&, size_t> ctx{payload, 0};
    aws::http::response resp;
    curl_easy_setopt(m_curl_handle, CURLOPT_WRITEDATA, &resp);
    curl_easy_setopt(m_curl_handle, CURLOPT_HEADERDATA, &resp);
    curl_easy_setopt(m_curl_handle, CURLOPT_READDATA, &ctx);
    curl_easy_setopt(m_curl_handle, CURLOPT_HTTPHEADER, headers);
    CURLcode curl_code = curl_easy_perform(m_curl_handle);
    curl_slist_free_all(headers);

    if (curl_code != CURLE_OK) {
        logging::log_debug(
            LOG_TAG,
            "CURL returned error code %d - %s, for invocation %s",
            curl_code,
            curl_easy_strerror(curl_code),
            request_id.c_str());
        return aws::http::response_code::REQUEST_NOT_MADE;
    }

    long http_response_code;
    curl_easy_getinfo(m_curl_handle, CURLINFO_RESPONSE_CODE, &http_response_code);

    if (!is_success(aws::http::response_code(http_response_code))) {
        logging::log_error(
            LOG_TAG, "Failed to post handler success response. Http response code: %ld.", http_response_code);
        return aws::http::response_code(http_response_code);
    }

    return post_outcome(no_result{});
}