var opts ObjectOptions

	var partNumber int
	var err error
	if pn := r.Form.Get(xhttp.PartNumber); pn != "" {
		partNumber, err = strconv.Atoi(pn)
		if err != nil {
			return opts, err
		}
		if isMaxPartID(partNumber) {
			return opts, errInvalidMaxParts
		}
		if partNumber <= 0 {
			return opts, errInvalidArgument
		}
	}

		port := name[len("http."):]
		portNumber, _ = strconv.Atoi(port)
		return
	} else if strings.HasPrefix(name, "https.") && strings.Count(name, ".") == 4 {
		name = name[len("https."):]
		// format: https.<port>.<port_name>.<gw name>.<gw namespace>
		portNums, rest, ok := strings.Cut(name, ".")
		if !ok {
			return
		}
		portNumber, _ = strconv.Atoi(portNums)
		portName, rest, ok = strings.Cut(rest, ".")
		if !ok {

	DataplaneModeAmbient = "ambient"
	// Set by users to indicate that the (namespace|pod) should NOT be captured for ambient
	DataplaneModeNone    = "none"
	DataplaneModeInherit = "inherit" // TODO do we need this atm

	// AmbientRedirection specifies whether a pod has ambient redirection (to ztunnel) configured.
	AmbientRedirection = "ambient.istio.io/redirection"

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	uploadID := r.Form.Get(xhttp.UploadID)
	partIDString := r.Form.Get(xhttp.PartNumber)

	partID, err := strconv.Atoi(partIDString)
	if err != nil || partID <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPart), r.URL)
		return
	}

	// check partID with maximum part ID for multipart objects

			hostIP, hostPort, hostErr := net.SplitHostPort(ingressListener.DefaultEndpoint)
			if hostPort == "" || hostErr != nil {
				continue
			}
			var err error
			if port, err = strconv.Atoi(hostPort); err != nil {
				continue
			}
			if hostIP == model.PodIPAddressPrefix {
				for _, proxyIPAddr := range cb.proxyIPAddresses {
					if netutil.IsIPv4Address(proxyIPAddr) {