43 lines
977 B
JavaScript
43 lines
977 B
JavaScript
import { WebSocket } from "ws";
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import { WebSocketServer } from "ws";
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const notification_proxy = new WebSocketServer({ port: 3001 });
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let notification_subs = [];
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notification_proxy.on("connection", (ws) => {
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notification_subs.push(ws);
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});
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export function send_notification(is_ok, context, message) {
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let updated_subs = [];
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if (notification_subs.length === 0) {
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console.log("WARNING: Got a notification, but nobody is subscribed");
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}
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for (const sub of notification_subs) {
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if (sub.readyState == WebSocket.CONNECTING) {
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console.log(
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"WARNING: Unable to forward a notification to client that is still connecting"
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);
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updated_subs.push(sub);
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} else {
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try {
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sub.send(
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JSON.stringify({
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is_ok,
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context,
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message,
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})
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);
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updated_subs.push(sub);
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} catch {
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sub.close();
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console.log(
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"WARNING: Fail to send a notification, closing the connection"
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);
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}
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}
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}
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notification_subs = updated_subs;
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}
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