mirror of
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40 lines
1.1 KiB
HTML
40 lines
1.1 KiB
HTML
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<!DOCTYPE html>
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<html lang="en">
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<body>
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<h1>Data push over WebSocket demo</h1>
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<div style="margin-top: 1em;">Event log:</div>
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<div id="log" style="background: #eee; height: 10em; padding: 0.5em; overflow:auto;"></div>
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</body>
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<script>
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var log = document.getElementById('log');
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const watch = function() {
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var l = window.location, proto = l.protocol.replace('http', 'ws');
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var tid, wsURI = proto + '//' + l.host + '/api/watch'
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var reconnect = function() {
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var ws = new WebSocket(wsURI);
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ws.onopen = function() { log.innerHTML += 'CONNECTED<br/>'; }
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ws.onmessage = function(ev) {
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console.log(ev.data);
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try {
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var msg = JSON.parse(ev.data);
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log.innerHTML += 'RECEIVED: ' + JSON.stringify(msg) + '<br/>';
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} catch (e) {
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console.log('Invalid ws frame:', ev.data);
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}
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};
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ws.onclose = function() {
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clearTimeout(tid);
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tid = setTimeout(reconnect, 1000);
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log.innerHTML += 'DISCONNECTED<br/>';
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};
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ws.onerror = err => console.log(err);
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};
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reconnect();
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};
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watch();
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</script>
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</html>
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