// always inject compat headers
        headers.put("Content-Type", "application/vnd.elasticsearch+json;compatible-with=" + compatibleVersion);
        headers.put("Accept", "application/vnd.elasticsearch+json;compatible-with=" + compatibleVersion);
        transformations.add(new InjectHeaders(headers, Set.of(RestCompatTestTransformTask::doesNotHaveCatOperation)));
    }

          # The "digest" that allows us to pull an image is not the digest as
          # returned by the API, but a sha256sum of the entire chunk of image
          # metadata. gcr.io helpfully includes it in the header of the response
          # as docker-content-digest: sha256:[digest]. Note we use egrep to
          # match exactly sha256:<hash> because curl may include a ^M symbol at
          # the end of the line.

     * Only trusts X-Forwarded-For/X-Real-IP headers when the request comes from a trusted proxy.
     * @param request the HTTP request
     * @return the client IP address
     */
    public String getClientIp(final HttpServletRequest request) {
        final String remoteAddr = request.getRemoteAddr();

        // Only trust proxy headers if the request comes from a trusted proxy

            int size1 = echoRequest.size();
            int size2 = echoRequest.size();

            assertEquals(size1, size2);
        }

        @Test
        @DisplayName("Size should be 72 bytes (64 header + 4 body aligned to 8)")
        void testExactSize() {
            // SMB2_HEADER_LENGTH = 64, body = 4, total = 68
            // size8 aligns to 8-byte boundary: (68 + 7) & ~7 = 72

Но тогда будут разрешены только некоторые виды взаимодействия, и всё, что связано с учётными данными, будет исключено: куки, HTTP-заголовки Authorization, как при использовании Bearer-токенов, и т.п.

Поэтому, чтобы всё работало корректно, лучше явно указывать список разрешённых источников.

## Использование `CORSMiddleware` { #use-corsmiddleware }

		"Total number of requests rejected for auth failure", "type")
	apiRejectedHeaderTotalMD = NewCounterMD(apiRejectedHeaderTotal,
		"Total number of requests rejected for invalid header", "type")
	apiRejectedTimestampTotalMD = NewCounterMD(apiRejectedTimestampTotal,
		"Total number of requests rejected for invalid timestamp", "type")
	apiRejectedInvalidTotalMD = NewCounterMD(apiRejectedInvalidTotal,

@NullUnmarked
public class CacheBuilderTest extends TestCase {

  public void testNewBuilder() {
    CacheLoader<Object, Integer> loader = constantLoader(1);

    LoadingCache<String, Integer> cache =
        CacheBuilder.newBuilder().removalListener(countingRemovalListener()).build(loader);

    assertThat(cache.getUnchecked("one")).isEqualTo(1);
    assertThat(cache.size()).isEqualTo(1);
  }

@NullUnmarked
public class CacheBuilderTest extends TestCase {

  public void testNewBuilder() {
    CacheLoader<Object, Integer> loader = constantLoader(1);

    LoadingCache<String, Integer> cache =
        CacheBuilder.newBuilder().removalListener(countingRemovalListener()).build(loader);

    assertThat(cache.getUnchecked("one")).isEqualTo(1);
    assertThat(cache.size()).isEqualTo(1);
  }

그리고 모든 메시지는 동일한 WebSocket 연결을 사용합니다.

## `Depends` 및 기타 사용하기 { #using-depends-and-others }

WebSocket 엔드포인트에서 `fastapi`에서 다음을 가져와 사용할 수 있습니다:

* `Depends`
* `Security`
* `Cookie`
* `Header`
* `Path`
* `Query`

이들은 다른 FastAPI 엔드포인트/*경로 처리*와 동일하게 동작합니다:

{* ../../docs_src/websockets_/tutorial002_an_py310.py hl[68:69,82] *}

/// info | 정보

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