Method downloadResource

source/Network/NetworkService.cpp:556–601

}

bool NetworkService::downloadResource(std::string& mainData, std::string& auxiliaryData, std::string& statistics, std::string const& simId)
{
    try {
        if (auto cachedEntry = _downloadCache.find(simId)) {
            log(Priority::Important, "network: get resource with id=" + simId + " from download cache");
            mainData = cachedEntry->content;
            auxiliaryData = cachedEntry->auxiliaryData;
            statistics = cachedEntry->statistics;
            incDownloadCounter(simId);
            return true;
        } else {
            log(Priority::Important, "network: download resource with id=" + simId);

            httplib::SSLClient client(_serverAddress);
            configureClient(client);

            httplib::Params params;
            params.emplace("id", simId);
            {
                
                for (int chunkIndex = 0; chunkIndex < 6; ++chunkIndex) {
                    auto paramsClone = params;
                    paramsClone.emplace("chunkIndex", std::to_string(chunkIndex));
                    auto result = executeRequest([&] { return client.Get("/alien-server/downloadcontent.php", paramsClone, {}); });
                    if (result->body.empty()) {
                        break;
                    }
                    mainData.append(result->body);
                }
            }
            {
                auto result = executeRequest([&] { return client.Get("/alien-server/downloadsettings.php", params, {}); });
                auxiliaryData = result->body;
            }
            {
                auto result = executeRequest([&] { return client.Get("/alien-server/downloadstatistics.php", params, {}); });
                statistics = result->body;
            }
            _downloadCache.insertOrAssign(simId, ResourceData{mainData, auxiliaryData, statistics});
            return true;
        }
    } catch (...) {
        logNetworkError();
        return false;
    }
}

void NetworkService::incDownloadCounter(std::string const& simId)
{