/// tip | Consejo

Para resolver este mismo problema, probablemente sea mucho más fácil usar el `body` en un manejador personalizado para `RequestValidationError` ([Manejo de Errores](../tutorial/handling-errors.md#use-the-requestvalidationerror-body){.internal-link target=_blank}).

Pero este ejemplo sigue siendo válido y muestra cómo interactuar con los componentes internos.

///

        FileRenameInformation2 info = new FileRenameInformation2(unicodeFileName, false);

        byte[] buffer = new byte[200];
        int bytesWritten = info.encode(buffer, 0);

        // Verify the encoded data
        int nameLength = SMBUtil.readInt4(buffer, 16);
        byte[] nameBytes = new byte[nameLength];
        System.arraycopy(buffer, 20, nameBytes, 0, nameLength);

</div>

<details markdown="1">
<summary><code>uvicorn main:app --reload</code> 명령에 관하여...</summary>

명령 `uvicorn main:app`은 다음을 나타냅니다:

* `main`: `main.py` 파일 (파이썬 "모듈").
* `app`: the object created inside of `main.py` with the line `app = FastAPI()`.
* `--reload`: 코드가 변경된 후 서버 재시작하기. 개발환경에서만 사용하십시오.

</details>

### 확인하기

O=ce.Deferred();function P(){C.removeEventListener("DOMContentLoaded",P),ie.removeEventListener("load",P),ce.ready()}ce.fn.ready=function(e){return O.then(e)["catch"](function(e){ce.readyException(e)}),this},ce.extend({isReady:!1,readyWait:1,ready:function(e){(!0===e?--ce.readyWait:ce.isReady)||(ce.isReady=!0)!==e&&0<--ce.readyWait||O.resolveWith(C,[ce])}}),ce.ready.then=O.then,"complete"===C.readyState||"loading"!==C.readyState&&!C.documentElement.doScroll?ie.setTimeout(ce.ready):(C.addEventListener("DOMConte...

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

            request.setData(fullData, offset, length);

            byte[] buffer = new byte[512];
            int bytesWritten = request.writeBytesWireFormat(buffer, 0);

            // Verify only the specified portion is written
            assertEquals(48 + length, bytesWritten);
            assertArrayEquals(Arrays.copyOfRange(fullData, offset, offset + length), Arrays.copyOfRange(buffer, 48, 48 + length));
        }

// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

TEXT errors(SB),$0
	MOVW	(F0), R1           // ERROR "illegal base register"
	MOVB	(F0), R1           // ERROR "illegal base register"
	MOVH	(F0), R1           // ERROR "illegal base register"
	MOVF	(F0), F1           // ERROR "illegal base register"
	MOVD	(F0), F1           // ERROR "illegal base register"

FC11          ; mapped                 ; 062B 062C     # 1.1  ARABIC LIGATURE THEH WITH JEEM ISOLATED FORM
FC12          ; mapped                 ; 062B 0645     # 1.1  ARABIC LIGATURE THEH WITH MEEM ISOLATED FORM
FC13          ; mapped                 ; 062B 0649     # 1.1  ARABIC LIGATURE THEH WITH ALEF MAKSURA ISOLATED FORM
FC14          ; mapped                 ; 062B 064A     # 1.1  ARABIC LIGATURE THEH WITH YEH ISOLATED FORM

# 고급 미들웨어

메인 튜토리얼에서 [Custom Middleware](../tutorial/middleware.md){.internal-link target=_blank}를 응용프로그램에 추가하는 방법을 읽으셨습니다.

그리고 [CORS with the `CORSMiddleware`](){.internal-link target=_blank}하는 방법도 보셨습니다.

이 섹션에서는 다른 미들웨어들을 사용하는 방법을 알아보겠습니다.

## ASGI 미들웨어 추가하기

**FastAPI**는 Starlette을 기반으로 하고 있으며, <abbr title="Asynchronous Server Gateway Interface">ASGI</abbr> 사양을 구현하므로 ASGI 미들웨어를 사용할 수 있습니다.

* Escribe mensajes desde ellas.
* Luego cierra una de las pestañas.

Eso lanzará la excepción `WebSocketDisconnect`, y todos los otros clientes recibirán un mensaje como:

```
Client #1596980209979 left the chat
```

/// tip | Consejo

La aplicación anterior es un ejemplo mínimo y simple para demostrar cómo manejar y transmitir mensajes a varias conexiones WebSocket.