@bacnet-js/device/dist/objects/device/utils.js

A TypeScript library for implementing BACnet IP devices in Node.js.

import { ensureArray, } from '../../utils.js';
import {} from './device.js';
import {} from './types.js';
/**
 * Sends a confirmed COV (Change of Value) notification to a subscriber
 *
 * This function sends a notification that requires confirmation from the recipient,
 * which helps ensure reliable delivery of property value changes.
 *
 * @param client - The BACnet client instance used to send the notification
 * @param emitter - The BACnet device sending the notification
 * @param subscription - The subscription information for the recipient
 * @param cov - The change of value data to send
 * @returns A promise that resolves when the notification is confirmed or rejects on error
 */
export const sendConfirmedCovNotification = async (client, emitter, subscription, cov) => {
    await client.confirmedCOVNotification({ address: subscription.subscriber.address }, cov.object.identifier, subscription.subscriptionProcessId, emitter.identifier.instance, Math.floor(Math.max(0, subscription.expiresAt - Date.now()) / 1000), [{ property: { id: cov.property.identifier }, value: ensureArray(cov.value) }]);
};
/**
 * Sends an unconfirmed COV (Change of Value) notification to a subscriber
 *
 * This function sends a notification without requiring confirmation from the recipient.
 * This is more efficient but less reliable than confirmed notifications.
 *
 * @param client - The BACnet client instance used to send the notification
 * @param emitter - The BACnet device sending the notification
 * @param subscription - The subscription information for the recipient
 * @param cov - The change of value data to send
 * @returns A promise that resolves when the notification is sent
 */
export const sendUnconfirmedCovNotification = async (client, emitter, subscription, cov) => {
    client.unconfirmedCOVNotification(subscription.subscriber, subscription.subscriptionProcessId, emitter.identifier.instance, cov.object.identifier, Math.floor(Math.max(0, subscription.expiresAt - Date.now()) / 1000), [{ property: { id: cov.property.identifier }, value: ensureArray(cov.value) }]);
};
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