if i < 0 {
		return token, -1
	}
	nodeIndex, err := strconv.Atoi(token[i+1:])
	if err != nil {
		return token, -1
	}
	subToken = token[:i]
	return subToken, nodeIndex
}

func proxyRequestByToken(ctx context.Context, w http.ResponseWriter, r *http.Request, token string, returnErr bool) (subToken string, proxied bool, success bool) {
	var nodeIndex int
	if subToken, nodeIndex = parseRequestToken(token); nodeIndex >= 0 {

		return
	}

	jobID := r.Form.Get("id")
	if jobID == "" {
		writeErrorResponseJSON(ctx, w, toAPIError(ctx, errInvalidArgument), r.URL)
		return
	}

	if _, proxied, _ := proxyRequestByToken(ctx, w, r, jobID, true); proxied {
		return
	}

	if err := globalBatchJobPool.canceler(jobID, true); err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErrWithErr(ErrInvalidRequest, err), r.URL)

	if errCode != ErrNone {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(errCode), r.URL)
		return
	}

	// Analyze the heal token and route the request accordingly
	token, _, success := proxyRequestByToken(ctx, w, r, hip.clientToken, false)
	if success {
		return
	}
	hip.clientToken = token
	// if request was not successful, try this server locally if token