}, "Circuit breaker should throw CIFSException when open");

        assertTrue(exception.getMessage().contains("Circuit breaker 'test' is open"), "Exception message should indicate circuit is open");
    }

    @Test
    public void testCircuitResetsAfterTimeout() throws Exception {
        // Open the circuit
        circuitBreaker.trip();

                }
                _src = _src.deferred;
                this.e.decode(_src);

            }
        }
    }

    /**
     * DCE/RPC message for NetrDfsEnumEx operation to enumerate DFS entries
     */
    public static class NetrDfsEnumEx extends DcerpcMessage {

        @Override
        public int getOpnum() {
            return 0x15;
        }

        if (len == 0) {
            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }

    /**
     * Finalize and return the calculated message digest
     *
     * @return calculated digest
     */
    public byte[] digest() {
        byte[] b = this.digest.digest();

        if (log.isTraceEnabled()) {
            log.trace("digest: ");

        // Mark as server->client response for realism
        SMBUtil.writeInt4(0x00000001, header, 16); // Flags
        // Command SMB2_CREATE (0x0005)
        SMBUtil.writeInt2(0x0005, header, 12);
        // Some message id
        SMBUtil.writeInt8(1L, header, 24);
        return header;
    }

    /**
     * Build a basic CREATE response body without create contexts.
     */

    val fakeAuthChallengeResponse =
      Response
        .Builder()
        .request(proxyConnectRequest)
        .protocol(Protocol.HTTP_1_1)
        .code(HttpURLConnection.HTTP_PROXY_AUTH)
        .message("Preemptive Authenticate")
        .sentRequestAtMillis(-1L)
        .receivedResponseAtMillis(-1L)
        .header("Proxy-Authenticate", "OkHttp-Preemptive")
        .build()

    val authenticatedRequest =

        assertEquals(16, hash1.length, "NT hash should be 16 bytes");
        assertEquals(16, hash2.length, "NT hash should be 16 bytes");
    }

    @Test
    @DisplayName("getNTHash: null password throws NPE with message")
    void testGetNTHash_null() {
        NullPointerException ex = assertThrows(NullPointerException.class, () -> NtlmUtil.getNTHash((String) null));
        assertEquals("Password parameter is required", ex.getMessage());
    }

### Kontrol Edelim

Tarayıcınızı açıp <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a> bağlantısına gidin.

Şu şekilde bir JSON yanıtı ile karşılaşacağız:

```JSON
{"message": "Hello World"}
```

### Etkileşimli API Dokümantasyonu

Şimdi <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a> bağlantısını açalım.

// prefer CIDRs with higher octets, this in-turn skips the
// localhost/loopback address to be not preferred as the
// first ip on the list. Subsequently this list helps us print
// a user friendly message with appropriate values.
func sortIPs(ipList []string) []string {
	if len(ipList) == 1 {
		return ipList
	}

	var ipV4s []net.IP
	var nonIPs []string
	for _, ip := range ipList {

			w.WriteHeader(499)
		default:
			globalHTTPStats.addRequestsInQueue(-1)
			if contextCanceled(ctx) {
				w.WriteHeader(499)
				return
			}
			// Send a http timeout message
			writeErrorResponse(ctx, w,
				errorCodes.ToAPIErr(ErrTooManyRequests),
				r.URL)
		}
	}
}

func (t *apiConfig) getReplicationOpts() replicationPoolOpts {
	t.mu.RLock()
	defer t.mu.RUnlock()

Until a connection is established, all outgoing requests will return `ErrDisconnected`.

# Usage

## Single Payload Requests

Single payload requests are requests and responses that are sent in a single message.
In essence, they are `[]byte` -> `[]byte, error` functions.

It is not possible to return *both* an error and a response.