Method constructor

examples/io/udp/sntp/sntp.js:22–43

(options)

	#onError;
	#timer;
	constructor(options) {
		this.#udp = new UDP({
			target: this,
			onReadable: this.#onReadable
		});

		this.#onTime = options.onTime;
		if (!this.#onTime)
			throw new Error("onTime required");

		this.#onError = options.onError;

		System.resolve(options.host, (name, address) => {
			if (!address) {
				this.#onError?.();
				return;
			}

			request.call(this.#udp, address);
			this.#timer = System.setInterval(() => request.call(this.#udp, address), 5 * 1000);
		});
	}
	close() {
		if (this.#timer)
			System.clearInterval(this.#timer);