89 lines
2 KiB
HTML
89 lines
2 KiB
HTML
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<!DOCTYPE html>
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<meta charset="utf-8" />
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<title>WebSocket Test</title>
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<style media="screen">
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body{
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font-family: Helvetica, sans-serif;
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}
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#graph{
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height: calc(100vh - 5em);
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}
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</style>
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<script src="https://cdn.plot.ly/plotly-1.5.0.min.js"></script>
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<script language="javascript" type="text/javascript">
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var wsUri = window.location.toString().replace('http','ws') + "ws";
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console.log(wsUri)
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</script>
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<h2 id="title">current bpm: <span id='value'>...</span></h2>
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<div id='downloads'>
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Claim data
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<span>Last hour <a href='/1h.csv'>as CSV</a>.</span>
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<span>Last day <a href='/24h.csv'>as CSV</a>.</span>
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<span>Last week <a href='/week.csv'>as CSV</a>.</span>
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</div>
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<div id="graph">
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</div>
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<script type="text/javascript">
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var valueEl = document.getElementById('value');
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Plotly.d3.csv("/1h.csv", function(err, rows){
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console.log(rows);
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function unpack(rows, key) {
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return rows.map(function(row) { return row[key]; });
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}
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var trace1 = {
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type: "scatter",
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mode: "lines",
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name: 'BPM',
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x: unpack(rows, 'timestamp'),
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y: unpack(rows, 'bpm'),
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line: {color: '#17BECF'}
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}
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var data = [trace1];
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var layout = {
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title: 'Last hour',
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};
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Plotly.newPlot('graph', data, layout);
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var wsUri = window.location.toString().replace('http','ws') + "ws";
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var connectSocket = function() {
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websocket = new WebSocket(wsUri);
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websocket.onopen = function(evt) {
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console.log("opened");
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};
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websocket.onclose = function(evt) {
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console.log("closed", evt);
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valueEl.innerHTML = '...';
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setTimeout(connectSocket, 1000 * 10);
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};
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websocket.onmessage = function(evt) {
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data = JSON.parse(evt.data);
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var update = {
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x: [[data['timestamp']]],
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y: [[data['bpm']]]
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}
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console.log("update", update)
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valueEl.innerHTML = data['bpm'];
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Plotly.extendTraces('graph', update, [0])
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};
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websocket.onerror = function(evt) {
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};
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}
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connectSocket();
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});
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</script>
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