rdmaWrites.incrementAndGet();
        bytesTransferred.addAndGet(bytes);
        totalWriteTime.addAndGet(durationNanos);
    }

    /**
     * Record an RDMA send operation
     *
     * @param bytes number of bytes sent
     * @param durationNanos operation duration in nanoseconds
     */
    public void recordRdmaSend(int bytes, long durationNanos) {
        rdmaSends.incrementAndGet();

    private static final int DEFAULT_BUFFER_LENGTH = 4096;

    /** The buffer of bytes sent to the stream */
    private byte[] buffer = new byte[DEFAULT_BUFFER_LENGTH];

    /** Offset of the start of unwritten data in the buffer */
    private int start = 0;

    /** Offset of the end (semi-open) of unwritten data in the buffer */
    private int end = 0;

    @Override

    }

    /**
     * Get the preferred size for send operations
     *
     * @return preferred send size in bytes
     */
    public int getPreferredSendSize() {
        return preferredSendSize;
    }

    /**
     * Set the preferred size for send operations
     *
     * @param preferredSendSize preferred send size in bytes
     */

The user of your API (an external developer) will create an invoice in your API with a POST request.

Then your API will (let's imagine):

* Send the invoice to some customer of the external developer.
* Collect the money.
* Send a notification back to the API user (the external developer).

	if eErr != nil {
		// The last event key in a successful batch will be sent in the channel atmost once by the replayEvents()
		// Such events will not exist and wouldve been already been sent successfully.
		if os.IsNotExist(eErr) {
			return nil
		}
		return eErr
	}

	if err := target.send(eventData, ch, confirms); err != nil {
		return err
	}

	// Delete the event from store.

import org.codelibs.fess.mylasta.mail.LogNotificationPostcard;
import org.codelibs.fess.opensearch.client.SearchEngineClient;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.mail.send.hook.SMailCallbackContext;
import org.lastaflute.core.mail.Postbox;
import org.opensearch.action.bulk.BulkRequestBuilder;
import org.opensearch.action.search.SearchResponse;
import org.opensearch.index.query.QueryBuilders;

	}

	if err := target.init(); err != nil {
		return err
	}

	_, err := target.isActive()
	if err != nil {
		return err
	}
	return target.send(eventData)
}

// send - sends an event to the Nats.
func (target *NATSTarget) send(eventData event.Event) error {
	objectName, err := url.QueryUnescape(eventData.S3.Object.Key)
	if err != nil {
		return err
	}

	err := target.checkAndInitClient(ctx)
	if err != nil {
		return err
	}

	err = target.send(eventData)
	if xnet.IsNetworkOrHostDown(err, false) {
		return store.ErrNotConnected
	}
	return err
}

// send - sends the event to the target.
func (target *ElasticsearchTarget) send(eventData event.Event) error {
	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()

		h.logEntry(entry)
	}
}

func (h *Target) logEntry(entry any) {
	atomic.AddInt64(&h.totalMessages, 1)
	if err := h.send(entry); err != nil {
		atomic.AddInt64(&h.failedMessages, 1)
		h.kconfig.LogOnce(context.Background(), err, h.kconfig.Topic)
	}
}

func (h *Target) send(entry any) error {
	if err := h.initKafkaOnce.Do(h.init); err != nil {
		return err
	}
	logJSON, err := json.Marshal(&entry)

    """
    # assert asyncio.iscoroutinefunction(func), "WebSocket endpoints must be async"

    async def app(scope: Scope, receive: Receive, send: Send) -> None:
        session = WebSocket(scope, receive=receive, send=send)

        async def app(scope: Scope, receive: Receive, send: Send) -> None:
            async with AsyncExitStack() as request_stack:
                scope["fastapi_inner_astack"] = request_stack