### TLS with SNI Extension { #tls-with-sni-extension }

**Only one process** in the server can be listening on a specific **port** in a specific **IP address**. There could be other processes listening on other ports in the same IP address, but only one for each combination of IP address and port.

TLS (HTTPS) uses the specific port `443` by default. So that's the port we would need.

In particular, this may be a good alternative to logic in a middleware.

For example, if you want to read or manipulate the request body before it is processed by your application.

/// danger

This is an "advanced" feature.

If you are just starting with **FastAPI** you might want to skip this section.

///

## Use cases { #use-cases }

    private static FessConfig fessConfig;

    /** List of initialization processes to run after container initialization. */
    private static List<Runnable> initProcesses = new ArrayList<>();

    /**
     * Private constructor to prevent instantiation.
     */
    private ComponentUtil() {
    }

    /**
     * Processes a runnable after container initialization.

                logger.warn(message, e);
            }
            response.sendError(e.getStatusCode(), message);
        }
    }

    /**
     * Processes API requests to the search engine.
     * Handles both regular API calls and plugin requests.
     *
     * @param request  the HTTP servlet request
     * @param response the HTTP servlet response

Em particular, isso pode ser uma boa alternativa para uma lógica em um middleware

Por exemplo, se você quiser ler ou manipular o corpo da requisição antes que ele seja processado pela sua aplicação.

/// danger | Perigo

Isso é um recurso "avançado".

Se você for um iniciante em **FastAPI** você deve considerar pular essa seção.

///

## Casos de Uso

    }

    /**
     * Reads and processes index settings from configuration file.
     *
     * @param fesenType          the search engine type
     * @param indexConfigFile    the path to the index configuration file
     * @param numberOfShards     the number of primary shards
     * @param autoExpandReplicas the auto expand replicas setting
     * @return the processed index settings JSON
     */

    @Resource
    private FailureUrlService failureUrlService;
    @Resource
    private FailureUrlPager failureUrlPager;
    /** Helper for managing crawler processes */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================

    //                                                                           =========
    @Resource
    private CrawlingInfoService crawlingInfoService;

    /** Helper for managing crawling processes and session information */
    @Resource
    protected ProcessHelper processHelper;

    // ===================================================================================

        if (logger.isDebugEnabled()) {
            logger.debug("store {} in session", stateData);
        }
        stateMap.put(state, stateData);
    }

    /**
     * Processes authentication data from the OAuth2 callback.
     * @param request The HTTP servlet request containing authentication data.
     * @return The login credential or null if processing fails.
     */

implementation allows for transforming your data to serve unique data format requirements for each application. For example, a dataset created by an ecommerce application might include personally identifiable information (PII). When the same data is processed for analytics, PII should be redacted. However, if the same dataset is used for a marketing campaign, you might need to enrich the data with additional details, such as information from the customer loyalty database.

MinIO's Object Lambda,...