ResponseCode CLI::InitializeCLI()

in cli/cli.cpp [111:168]
51 lines of code
9 McCabe index (conditional complexity)

    ResponseCode CLI::InitializeCLI(int argc, char **argv) {
        int opt;
        int long_index = 0;
        static struct option long_options[] = {
            {"subscribe", no_argument, 0, 's'},
            {"publish", no_argument, 0, 'p'},
            {"topic", required_argument, 0, 't'},
            {"qos", required_argument, 0, 'q'},
            {"endpoint", required_argument, 0, 'e'},
            {"port", required_argument, 0, 'r'},
            {0, 0, 0, 0}
        };

        InitializeCliConfig();

        while (-1 != (opt = getopt_long(argc, argv, "spt:q:c:e:r:", long_options, &long_index))) {
            switch (opt) {
                case 's':
                    is_subscribe_ = true;
                    std::cout << "Subscribe" << std::endl;
                    break;
                case 'p':
                    is_publish_ = true;
                    std::cout << "Publish" << std::endl;
                    break;
                case 'e':
                    endpoint_ = util::String(optarg, MAX_PATH_LENGTH_);
                    std::cout << "Host : " << optarg << std::endl;
                    break;
                case 'r':
                    port_ = atoi(optarg);
                    std::cout << "Port : " << optarg << std::endl;
                    break;
                case 't':
                    snprintf(topic_, MAX_PATH_LENGTH_, "%s", optarg);
                    std::cout << "Topic : " << optarg << std::endl;
                    break;
                case 'q':
                    qos_ = atoi(optarg);
                    std::cout << "Publish Count :" << optarg << " times" << std::endl;
                    break;
                default:
                    std::cout << "Error in command line argument parsing" << std::endl;
                    break;
            }
        }

        // Atleast one option should be selected but not both
        if (!(is_publish_ ^ is_subscribe_)) {
            return ResponseCode::FAILURE;
        }

        InitializeTLS();

        p_iot_client_ = MqttClient::Create(p_network_connection_, ConfigCommon::mqtt_command_timeout_);

        return ResponseCode::SUCCESS;
    }