*
 * By orchestrating two different servers with the same port but different IP addresses, we can
 * test what OkHttp does when both are reachable, or if only one is reachable.
 *
 * This test only runs on host machines that have both IPv4 and IPv6 addresses for localhost.
 */
@Timeout(30)
class FastFallbackTest {
  @RegisterExtension
  val clientTestRule = OkHttpClientTestRule()

  },
  {
    "comment": "IDNA ignored code points",
    "input": "a\u00ADb",
    "output": "ab"
  },
  {
    "input": "a%C2%ADb",
    "output": "ab"
  },
  {
    "comment": "Empty host after domain to ASCII",
    "input": "\u00AD",
    "output": null
  },
  {
    "input": "%C2%AD",
    "output": null
  },
  {
    "input": "xn--",
    "output": null
  },
  {

Mas há situações específicas onde é útil utilizar o objeto `Request`.

## Utilize o objeto `Request` diretamente

Vamos imaginar que você deseja obter o endereço de IP/host do cliente dentro da sua *função de operação de rota*.

Para isso você precisa acessar a requisição diretamente.

{* ../../docs_src/using_request_directly/tutorial001.py hl[1,7:8] *}

🛠️ 👈 🌐 📨 📨 🔜 👯‍♂️ `https` ⚖️ `wss`.

🙆 📨 📨 `http` ⚖️ `ws` 🔜 ❎ 🔐 ⚖ ↩️.

{* ../../docs_src/advanced_middleware/tutorial001.py hl[2,6] *}

## `TrustedHostMiddleware`

🛠️ 👈 🌐 📨 📨 ✔️ ☑ ⚒ `Host` 🎚, ✔ 💂‍♂ 🛡 🇺🇸🔍 🦠 🎚 👊.

{* ../../docs_src/advanced_middleware/tutorial002.py hl[2,6:8] *}

📄 ❌ 🐕‍🦺:

    public Integer maxSize;

    /**
     * The boost score for matched results.
     */
    @Required
    @ValidateTypeFailure
    public Float boost;

    /**
     * The virtual host for the key match.
     */
    @Size(max = 1000)
    public String virtualHost;

    /**
     * The user who created this key match.
     */
    @Size(max = 255)
    public String createdBy;

    /**

                + "-Dclassifier=aClassifier -Dpackaging=jar -Dfile=/path/to/file" + LS + LS
                + "  Alternatively, if you host your own repository you can deploy the file there: " + LS
                + "      mvn deploy:deploy-file -DgroupId=aGroupId -DartifactId=anArtifactId"

RUN pip install --no-cache-dir --upgrade -r /code/requirements.txt

COPY ./app /code/app

CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80"]

# Если используете прокси-сервер, такой как Nginx или Traefik, добавьте --proxy-headers
# CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "80", "--proxy-headers"]
```

</details>

## Что такое "контейнер"

```

</div>

...または、これら以外のASGIサーバ。

////

そして、チュートリアルと同様な方法でアプリケーションを起動して下さい。ただし、以下の様に`--reload` オプションは使用しないで下さい:

//// tab | Uvicorn

<div class="termy">

```console
$ uvicorn main:app --host 0.0.0.0 --port 80

<span style="color: green;">INFO</span>:     Uvicorn running on http://0.0.0.0:80 (Press CTRL+C to quit)
```

</div>

////

//// tab | Hypercorn

<div class="termy">

            public long getCurrentTimeAsLong() {
                return System.currentTimeMillis();
            }

            @Override
            public String getHostname() {
                return "test-host";
            }

            @Override
            public File createTempFile(String prefix, String suffix) {
                try {
                    return File.createTempFile(prefix, suffix);

     */
    public static PathMappingHelper getPathMappingHelper() {
        return getComponent(PATH_MAPPING_HELPER);
    }

    /**
     * Gets the duplicate host helper component.
     * @return The duplicate host helper.
     */
    public static DuplicateHostHelper getDuplicateHostHelper() {
        return getComponent(DUPLICATE_HOST_HELPER);
    }

    /**