ResponseCode CLI::InitializeTLS()

in cli/cli.cpp [44:101]
55 lines of code
4 McCabe index (conditional complexity)

    ResponseCode CLI::InitializeTLS() {
        ResponseCode rc = ResponseCode::SUCCESS;

#ifdef USE_WEBSOCKETS
        p_network_connection_ = std::shared_ptr<NetworkConnection>(
            new network::WebSocketConnection(ConfigCommon::endpoint_, ConfigCommon::endpoint_https_port_,
                                             ConfigCommon::root_ca_path_, ConfigCommon::aws_region_,
                                             ConfigCommon::aws_access_key_id_,
                                             ConfigCommon::aws_secret_access_key_,
                                             ConfigCommon::aws_session_token_,
                                             ConfigCommon::tls_handshake_timeout_,
                                             ConfigCommon::tls_read_timeout_,
                                             ConfigCommon::tls_write_timeout_, true));
        if (nullptr == p_network_connection_) {
            AWS_LOG_ERROR(CLI_LOG_TAG,
                          "Failed to initialize Network Connection. %s",
                          ResponseHelper::ToString(rc).c_str());
            rc = ResponseCode::FAILURE;
        }
#elif defined USE_MBEDTLS
        p_network_connection_ = std::make_shared<network::MbedTLSConnection>(ConfigCommon::endpoint_,
                                                                             ConfigCommon::endpoint_mqtt_port_,
                                                                             ConfigCommon::root_ca_path_,
                                                                             ConfigCommon::client_cert_path_,
                                                                             ConfigCommon::client_key_path_,
                                                                             ConfigCommon::tls_handshake_timeout_,
                                                                             ConfigCommon::tls_read_timeout_,
                                                                             ConfigCommon::tls_write_timeout_, true);
        if (nullptr == p_network_connection_) {
            AWS_LOG_ERROR(CLI_LOG_TAG,
                          "Failed to initialize Network Connection. %s",
                          ResponseHelper::ToString(rc).c_str());
            rc = ResponseCode::FAILURE;
        }
#else
        std::shared_ptr<network::OpenSSLConnection> p_network_connection =
            std::make_shared<network::OpenSSLConnection>(ConfigCommon::endpoint_,
                                                         ConfigCommon::endpoint_mqtt_port_,
                                                         ConfigCommon::root_ca_path_,
                                                         ConfigCommon::client_cert_path_,
                                                         ConfigCommon::client_key_path_,
                                                         ConfigCommon::tls_handshake_timeout_,
                                                         ConfigCommon::tls_read_timeout_,
                                                         ConfigCommon::tls_write_timeout_, true);
        rc = p_network_connection->Initialize();

        if (ResponseCode::SUCCESS != rc) {
            AWS_LOG_ERROR(CLI_LOG_TAG,
                          "Failed to initialize Network Connection. %s",
                          ResponseHelper::ToString(rc).c_str());
            rc = ResponseCode::FAILURE;
        } else {
            p_network_connection_ = std::dynamic_pointer_cast<NetworkConnection>(p_network_connection);
        }
#endif

        return rc;
    }