78 lines
1.5 KiB
JavaScript
78 lines
1.5 KiB
JavaScript
/* exported socket */
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/* globals notify,gui,store,config*/
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let socket = {'readyState': 0};
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(function init () {
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'use strict';
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const RECONNECT_AFTER = 5000;
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function onerror (err) {
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console.warn(err);
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// eslint-disable-next-line no-magic-numbers
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if (socket.readyState !== 3) {
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notify.send('error', 'Es gibt Übertragungsprobleme!');
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gui.render();
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}
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}
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function onopen () {
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gui.render();
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}
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function onmessage (raw) {
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const msg = JSON.parse(raw.data);
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switch (msg.type) {
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case 'current':
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store.updateNode(msg.node, true);
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break;
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case 'to-update':
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store.updateNode(msg.node);
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break;
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case 'stats':
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if (msg.body) {
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store.stats = msg.body;
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}
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break;
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default:
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notify.send('warn', `unable to identify message: ${raw}`);
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break;
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}
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gui.render();
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}
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function onclose () {
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console.log('socket closed by server');
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notify.send('warn', 'Es besteht ein Verbindungsproblem!');
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gui.render();
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// eslint-disable-next-line no-use-before-define
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window.setTimeout(connect, RECONNECT_AFTER);
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}
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function sendnode (node) {
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const notifyMsg = `Einstellungen für '${node.node_id}' gespeichert.`,
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socketMsg = JSON.stringify({
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'node': node,
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'type': 'to-update'
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});
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socket.send(socketMsg);
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notify.send('success', notifyMsg);
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}
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function connect () {
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socket = new window.WebSocket(config.backend);
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socket.onopen = onopen;
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socket.onerror = onerror;
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socket.onmessage = onmessage;
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socket.onclose = onclose;
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socket.sendnode = sendnode;
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}
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connect();
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})();
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