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@@ -0,0 +1,793 @@
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+<!DOCTYPE html>
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+<html>
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+<head>
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+<link rel="shortcut icon" href="favicon.ico">
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+<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no, user-scalable=no" />
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+<meta charset="UTF-8" />
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+<title>LibreSpeed - Stability Test</title>
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+<style type="text/css">
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+ html,body{
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+ border:none; padding:0; margin:0;
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+ background:#FFFFFF;
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+ color:#202020;
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+ }
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+ body{
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+ text-align:center;
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+ font-family:"Roboto",sans-serif;
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+ }
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+ h1{
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+ color:#404040;
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+ }
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+ nav{
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+ margin-bottom:1em;
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+ }
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+ nav a{
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+ color:#6060AA;
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+ text-decoration:none;
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+ font-size:0.95em;
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+ }
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+ nav a:hover{
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+ text-decoration:underline;
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+ }
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+ #controls{
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+ margin:1em auto;
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+ }
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+ #durationSelect, #targetSelect{
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+ font-size:1em;
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+ padding:0.3em 0.5em;
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+ margin-right:1em;
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+ }
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+ #startBtn{
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+ display:inline-block;
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+ margin:0 auto;
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+ color:#6060AA;
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+ background-color:rgba(0,0,0,0);
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+ border:0.15em solid #6060FF;
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+ border-radius:0.3em;
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+ transition:all 0.3s;
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+ box-sizing:border-box;
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+ width:8em; height:3em;
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+ line-height:2.7em;
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+ cursor:pointer;
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+ box-shadow: 0 0 0 rgba(0,0,0,0.1), inset 0 0 0 rgba(0,0,0,0.1);
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+ }
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+ #startBtn:hover{
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+ box-shadow: 0 0 2em rgba(0,0,0,0.1), inset 0 0 1em rgba(0,0,0,0.1);
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+ }
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+ #startBtn:before{
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+ content:"Start";
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+ }
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+ #startBtn.running{
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+ background-color:#FF3030;
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+ border-color:#FF6060;
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+ color:#FFFFFF;
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+ }
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+ #startBtn.running:before{
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+ content:"Abort";
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+ }
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+ #resetBtn{
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+ display:inline-block;
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+ color:#808080;
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+ background-color:rgba(0,0,0,0);
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+ border:0.15em solid #A0A0A0;
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+ border-radius:0.3em;
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+ transition:all 0.3s;
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+ box-sizing:border-box;
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+ width:6em; height:3em;
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+ line-height:2.7em;
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+ cursor:pointer;
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+ margin-left:0.5em;
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+ box-shadow: 0 0 0 rgba(0,0,0,0.1), inset 0 0 0 rgba(0,0,0,0.1);
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+ }
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+ #resetBtn:hover{
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+ box-shadow: 0 0 2em rgba(0,0,0,0.1), inset 0 0 1em rgba(0,0,0,0.1);
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+ }
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+ #serverArea{
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+ margin:0.8em 0;
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+ }
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+ #server{
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+ font-size:1em;
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+ padding:0.2em;
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+ }
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+ #test{
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+ margin-top:2em;
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+ margin-bottom:2em;
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+ }
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+ div.testGroup{
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+ display:block;
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+ margin:0 auto;
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+ }
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+ div.testArea2{
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+ display:inline-block;
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+ width:10em;
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+ height:7em;
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+ position:relative;
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+ box-sizing:border-box;
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+ text-align:center;
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+ }
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+ div.testArea2 div.testName{
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+ display:block;
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+ text-align:center;
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+ font-size:1.4em;
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+ }
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+ div.testArea2 div.meterText{
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+ display:inline-block;
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+ font-size:2.5em;
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+ }
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+ div.meterText:empty:before{
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+ content:"0.00";
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+ }
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+ div.testArea2 div.unit{
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+ display:inline-block;
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+ }
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+ #rating{
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+ font-size:1.3em;
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+ font-weight:bold;
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+ margin:0.5em 0;
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+ }
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+ #rating.great{ color:#2ecc71; }
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+ #rating.good{ color:#27ae60; }
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+ #rating.poor{ color:#e67e22; }
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+ #rating.bad{ color:#e74c3c; }
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+ #rating.none{ color:#808080; }
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+ #chartContainer{
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+ margin:1em auto;
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+ width:95%;
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+ max-width:60em;
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+ position:relative;
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+ }
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+ #pingChart{
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+ width:100%;
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+ height:280px;
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+ border:1px solid #E0E0E0;
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+ border-radius:4px;
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+ background:#FAFAFA;
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+ }
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+ #optionalControls{
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+ margin:1.5em auto;
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+ max-width:40em;
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+ }
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+ #optionalControls label{
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+ display:block;
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+ margin:0.5em 0;
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+ }
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+ #alertThreshold{
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+ vertical-align:middle;
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+ width:200px;
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+ }
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+ #downloadCsvBtn{
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+ margin-top:0.8em;
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+ font-size:0.9em;
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+ padding:0.4em 1em;
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+ cursor:pointer;
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+ border:1px solid #6060AA;
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+ background:none;
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+ color:#6060AA;
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+ border-radius:0.3em;
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+ }
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+ #downloadCsvBtn:hover{
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+ background:#6060AA;
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+ color:#FFFFFF;
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+ }
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+ .footer{
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+ margin:2em 0 1em;
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+ }
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+ .footer a{
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+ color:#808080;
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+ font-size:0.85em;
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+ }
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+ @media all and (max-width:40em){
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+ body{ font-size:0.8em; }
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+ #pingChart{ height:200px; }
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+ }
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+ @media all and (prefers-color-scheme: dark){
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+ html,body{
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+ background:#202020;
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+ color:#F4F4F4;
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+ color-scheme:dark;
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+ }
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+ h1{ color:#E0E0E0; }
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+ nav a{ color:#9090FF; }
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+ #pingChart{
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+ border-color:#404040;
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+ background:#1a1a1a;
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+ }
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+ a{ color:#9090FF; }
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+ #startBtn{
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+ color:#9090FF;
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+ border-color:#7070FF;
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+ }
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+ #startBtn.running{
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+ background-color:#FF3030;
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+ border-color:#FF6060;
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+ color:#FFFFFF;
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+ }
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+ #resetBtn{
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+ color:#A0A0A0;
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+ border-color:#606060;
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+ }
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+ #downloadCsvBtn{
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+ color:#9090FF;
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+ border-color:#9090FF;
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+ }
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+ #downloadCsvBtn:hover{
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+ background:#9090FF;
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+ color:#202020;
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+ }
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+ .footer a{ color:#A0A0A0; }
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+ }
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+</style>
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+</head>
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+<body>
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+<h1>LibreSpeed - Stability Test</h1>
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+<nav><a href="/">← Speed Test</a></nav>
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+
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+<div id="controls">
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+ <select id="durationSelect">
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+ <option value="60">60 Seconds</option>
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+ <option value="90">90 Seconds</option>
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+ <option value="120">2 Minutes</option>
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+ <option value="180">3 Minutes</option>
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+ <option value="300">5 Minutes</option>
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+ </select>
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+ <select id="targetSelect">
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+ <option value="">Local Server</option>
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+ <option value="https://www.google.com/generate_204">Google</option>
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+ <option value="https://www.cloudflare.com/cdn-cgi/trace">Cloudflare</option>
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+ <option value="https://www.apple.com/library/test/success.html">Apple</option>
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+ </select>
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+ <div id="startBtn" onclick="startStop()"></div>
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+ <div id="resetBtn" onclick="resetTest()">Reset</div>
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+</div>
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+
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+<div id="serverArea" style="display:none">
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+ Server: <select id="server" onchange="onServerChange(this.value)"></select>
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+</div>
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+
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+<div id="rating" class="none">--</div>
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+
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+<div id="test">
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+ <div class="testGroup">
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+ <div class="testArea2">
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+ <div class="testName">Current</div>
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+ <div id="statCurrent" class="meterText" style="color:#AA6060"></div>
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+ <div class="unit">ms</div>
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+ </div>
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+ <div class="testArea2">
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+ <div class="testName">Average</div>
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+ <div id="statAvg" class="meterText" style="color:#AA6060"></div>
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+ <div class="unit">ms</div>
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+ </div>
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+ <div class="testArea2">
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+ <div class="testName">Jitter</div>
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+ <div id="statJitter" class="meterText" style="color:#AA6060"></div>
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+ <div class="unit">ms</div>
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+ </div>
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+ </div>
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+ <div class="testGroup">
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+ <div class="testArea2">
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+ <div class="testName">Min</div>
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+ <div id="statMin" class="meterText"></div>
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+ <div class="unit">ms</div>
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+ </div>
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+ <div class="testArea2">
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+ <div class="testName">Max</div>
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+ <div id="statMax" class="meterText"></div>
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+ <div class="unit">ms</div>
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+ </div>
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+ <div class="testArea2">
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+ <div class="testName">Loss</div>
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+ <div id="statLoss" class="meterText"></div>
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+ <div class="unit">%</div>
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+ </div>
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+ <div class="testArea2">
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+ <div class="testName">Elapsed</div>
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+ <div id="statElapsed" class="meterText">00:00</div>
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+ <div class="unit"></div>
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+ </div>
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+ </div>
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+</div>
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+
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+<div id="chartContainer">
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+ <canvas id="pingChart"></canvas>
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+</div>
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+
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+<div id="optionalControls">
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+ <label>
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+ Alert threshold:
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+ <input type="range" id="alertThreshold" min="0" max="500" step="10" value="0" oninput="updateThreshold(this.value)">
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+ <span id="thresholdValue">Off</span>
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+ </label>
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+ <button id="downloadCsvBtn" onclick="downloadCsv()">Download CSV</button>
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+</div>
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+
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+<div class="footer">
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+ <a href="https://github.com/librespeed/speedtest">Source code</a>
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+</div>
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+
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+<script type="text/javascript">
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+function I(i) { return document.getElementById(i); }
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+
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+// Server configuration (same pattern as index.html)
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+var SPEEDTEST_SERVERS = [];
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+
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+// State
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+var worker = null;
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+var updater = null;
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+var running = false;
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+var allPingData = []; // full dataset for chart and CSV
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+var latestData = null;
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+var alertThresholdMs = 0;
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+var lastBeepTime = 0;
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+var audioCtx = null;
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+var selectedServer = null;
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+
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+// Dark mode detection for canvas colors
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+var isDark = window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches;
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+try {
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+ window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", function(e) {
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+ isDark = e.matches;
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+ });
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+} catch (e) {}
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+
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+// Chart constants
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+var VISIBLE_SECONDS = 60;
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+var CHART_PADDING_LEFT = 50;
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+var CHART_PADDING_RIGHT = 15;
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+var CHART_PADDING_TOP = 15;
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+var CHART_PADDING_BOTTOM = 30;
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+
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+// Server initialization
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+function initServers() {
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+ if (SPEEDTEST_SERVERS.length === 0) {
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+ I("serverArea").style.display = "none";
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+ } else {
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+ I("serverArea").style.display = "";
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+ // ping servers to find best one
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+ var completed = 0;
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+ var best = null;
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+ for (var i = 0; i < SPEEDTEST_SERVERS.length; i++) {
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+ (function(idx) {
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+ pingServer(SPEEDTEST_SERVERS[idx], function(server, rtt) {
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+ SPEEDTEST_SERVERS[idx].pingT = rtt;
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+ if (rtt > 0 && (best === null || rtt < best.pingT)) best = SPEEDTEST_SERVERS[idx];
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+ completed++;
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+ if (completed === SPEEDTEST_SERVERS.length) {
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+ // populate dropdown
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+ for (var j = 0; j < SPEEDTEST_SERVERS.length; j++) {
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+ if (SPEEDTEST_SERVERS[j].pingT <= 0) continue;
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+ var opt = document.createElement("option");
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+ opt.value = j;
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+ opt.textContent = SPEEDTEST_SERVERS[j].name;
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+ if (SPEEDTEST_SERVERS[j] === best) opt.selected = true;
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+ I("server").appendChild(opt);
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+ }
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+ selectedServer = best;
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+ }
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+ });
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+ })(i);
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+ }
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+ }
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+}
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+
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+function pingServer(server, callback) {
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+ var url = server.server + server.pingURL + (server.pingURL.match(/\?/) ? "&" : "?") + "cors=true&r=" + Math.random();
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+ var xhr = new XMLHttpRequest();
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+ var t = new Date().getTime();
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+ xhr.onload = function() {
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+ callback(server, new Date().getTime() - t);
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+ };
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+ xhr.onerror = function() {
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+ callback(server, -1);
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+ };
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+ xhr.open("GET", url);
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+ try { xhr.timeout = 2000; xhr.ontimeout = xhr.onerror; } catch (e) {}
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+ xhr.send();
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+}
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+
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+function onServerChange(idx) {
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+ selectedServer = SPEEDTEST_SERVERS[idx];
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+}
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+
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+// Start/Stop
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+function startStop() {
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+ if (running) {
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+ // abort
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+ if (worker) worker.postMessage("abort");
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+ stopTest();
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+ } else {
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+ startTest();
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+ }
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+}
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+
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+function startTest() {
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+ allPingData = [];
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+ latestData = null;
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+ resetUI();
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+
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+ running = true;
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+ I("startBtn").className = "running";
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+ I("durationSelect").disabled = true;
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+ I("targetSelect").disabled = true;
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+ I("server").disabled = true;
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+
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+ var externalTarget = I("targetSelect").value;
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+ var workerSettings = {
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+ duration: parseInt(I("durationSelect").value),
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+ ping_allowPerformanceApi: true,
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+ url_ping_external: externalTarget
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+ };
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+
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+ if (!externalTarget && selectedServer) {
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+ workerSettings.url_ping = selectedServer.server + selectedServer.pingURL;
|
|
|
+ workerSettings.mpot = true;
|
|
|
+ }
|
|
|
+
|
|
|
+ worker = new Worker("stability_worker.js?r=" + Math.random());
|
|
|
+ worker.onmessage = function(e) {
|
|
|
+ var data = JSON.parse(e.data);
|
|
|
+ latestData = data;
|
|
|
+
|
|
|
+ // accumulate ping data
|
|
|
+ if (data.pingData && data.pingData.length > 0) {
|
|
|
+ for (var i = 0; i < data.pingData.length; i++) {
|
|
|
+ allPingData.push(data.pingData[i]);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // check alert threshold
|
|
|
+ if (alertThresholdMs > 0 && data.currentPing > alertThresholdMs) {
|
|
|
+ playBeep();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (data.testState >= 4) {
|
|
|
+ stopTest();
|
|
|
+ }
|
|
|
+ };
|
|
|
+ updater = setInterval(function() {
|
|
|
+ if (worker) worker.postMessage("status");
|
|
|
+ }, 200);
|
|
|
+ worker.postMessage("start " + JSON.stringify(workerSettings));
|
|
|
+}
|
|
|
+
|
|
|
+function stopTest() {
|
|
|
+ running = false;
|
|
|
+ I("startBtn").className = "";
|
|
|
+ I("durationSelect").disabled = false;
|
|
|
+ I("targetSelect").disabled = false;
|
|
|
+ I("server").disabled = false;
|
|
|
+ if (updater) {
|
|
|
+ clearInterval(updater);
|
|
|
+ updater = null;
|
|
|
+ }
|
|
|
+ // request final status
|
|
|
+ if (worker) {
|
|
|
+ worker.postMessage("status");
|
|
|
+ setTimeout(function() {
|
|
|
+ if (worker) {
|
|
|
+ try { worker.terminate(); } catch (e) {}
|
|
|
+ worker = null;
|
|
|
+ }
|
|
|
+ }, 500);
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function resetTest() {
|
|
|
+ if (running) {
|
|
|
+ if (worker) worker.postMessage("abort");
|
|
|
+ stopTest();
|
|
|
+ }
|
|
|
+ allPingData = [];
|
|
|
+ latestData = null;
|
|
|
+ resetUI();
|
|
|
+ drawChart();
|
|
|
+}
|
|
|
+
|
|
|
+function resetUI() {
|
|
|
+ I("statCurrent").textContent = "";
|
|
|
+ I("statAvg").textContent = "";
|
|
|
+ I("statMin").textContent = "";
|
|
|
+ I("statMax").textContent = "";
|
|
|
+ I("statJitter").textContent = "";
|
|
|
+ I("statLoss").textContent = "";
|
|
|
+ I("statElapsed").textContent = "";
|
|
|
+ I("rating").textContent = "--";
|
|
|
+ I("rating").className = "none";
|
|
|
+}
|
|
|
+
|
|
|
+// Format helpers
|
|
|
+function fmt(v) {
|
|
|
+ v = Number(v);
|
|
|
+ if (isNaN(v) || v <= 0) return "--";
|
|
|
+ if (v < 10) return v.toFixed(2);
|
|
|
+ if (v < 100) return v.toFixed(1);
|
|
|
+ return v.toFixed(0);
|
|
|
+}
|
|
|
+
|
|
|
+function fmtTime(sec) {
|
|
|
+ var m = Math.floor(sec / 60);
|
|
|
+ var s = Math.floor(sec % 60);
|
|
|
+ return (m < 10 ? "0" : "") + m + ":" + (s < 10 ? "0" : "") + s;
|
|
|
+}
|
|
|
+
|
|
|
+// Rating calculation
|
|
|
+function getRating(avg, jit, loss) {
|
|
|
+ if (avg <= 0) return { text: "--", cls: "none" };
|
|
|
+ if (avg < 30 && jit < 5 && loss < 0.5) return { text: "Great", cls: "great" };
|
|
|
+ if (avg < 60 && jit < 15 && loss < 2) return { text: "Good", cls: "good" };
|
|
|
+ if (avg < 100 && jit < 30 && loss < 5) return { text: "Poor", cls: "poor" };
|
|
|
+ return { text: "Bad", cls: "bad" };
|
|
|
+}
|
|
|
+
|
|
|
+// UI update loop
|
|
|
+function updateUI() {
|
|
|
+ if (!latestData) return;
|
|
|
+ var d = latestData;
|
|
|
+ I("statCurrent").textContent = fmt(d.currentPing);
|
|
|
+ I("statAvg").textContent = fmt(d.avgPing);
|
|
|
+ I("statMin").textContent = d.minPing > 0 ? fmt(d.minPing) : "--";
|
|
|
+ I("statMax").textContent = fmt(d.maxPing);
|
|
|
+ I("statJitter").textContent = fmt(d.jitter);
|
|
|
+ I("statLoss").textContent = d.totalSamples > 0 ? d.packetLoss.toFixed(1) : "--";
|
|
|
+ I("statElapsed").textContent = fmtTime(d.elapsed);
|
|
|
+
|
|
|
+ var r = getRating(d.avgPing, d.jitter, d.packetLoss);
|
|
|
+ I("rating").textContent = r.text;
|
|
|
+ I("rating").className = r.cls;
|
|
|
+}
|
|
|
+
|
|
|
+// Canvas chart rendering
|
|
|
+function drawChart() {
|
|
|
+ var canvas = I("pingChart");
|
|
|
+ var ctx = canvas.getContext("2d");
|
|
|
+ var dp = window.devicePixelRatio || 1;
|
|
|
+ var cw = canvas.clientWidth * dp;
|
|
|
+ var ch = canvas.clientHeight * dp;
|
|
|
+ if (canvas.width !== cw || canvas.height !== ch) {
|
|
|
+ canvas.width = cw;
|
|
|
+ canvas.height = ch;
|
|
|
+ }
|
|
|
+ ctx.clearRect(0, 0, cw, ch);
|
|
|
+
|
|
|
+ var padL = CHART_PADDING_LEFT * dp;
|
|
|
+ var padR = CHART_PADDING_RIGHT * dp;
|
|
|
+ var padT = CHART_PADDING_TOP * dp;
|
|
|
+ var padB = CHART_PADDING_BOTTOM * dp;
|
|
|
+ var plotW = cw - padL - padR;
|
|
|
+ var plotH = ch - padT - padB;
|
|
|
+
|
|
|
+ // colors based on theme
|
|
|
+ var lineColor = isDark ? "#9090FF" : "#6060AA";
|
|
|
+ var fillColor = isDark ? "rgba(144,144,255,0.15)" : "rgba(96,96,170,0.15)";
|
|
|
+ var gridColor = isDark ? "#404040" : "#E0E0E0";
|
|
|
+ var textColor = isDark ? "#A0A0A0" : "#808080";
|
|
|
+ var lostColor = "#e74c3c";
|
|
|
+ var thresholdColor = "rgba(231,76,60,0.6)";
|
|
|
+
|
|
|
+ // determine visible time window
|
|
|
+ var data = allPingData;
|
|
|
+ var maxTime = 0;
|
|
|
+ if (data.length > 0) maxTime = data[data.length - 1].t;
|
|
|
+ var timeStart, timeEnd;
|
|
|
+ if (maxTime <= VISIBLE_SECONDS) {
|
|
|
+ timeStart = 0;
|
|
|
+ timeEnd = Math.max(VISIBLE_SECONDS, maxTime);
|
|
|
+ } else {
|
|
|
+ timeEnd = maxTime;
|
|
|
+ timeStart = maxTime - VISIBLE_SECONDS;
|
|
|
+ }
|
|
|
+
|
|
|
+ // determine Y-axis scale from visible data
|
|
|
+ var yMax = 50; // minimum 50ms scale
|
|
|
+ for (var i = 0; i < data.length; i++) {
|
|
|
+ if (data[i].t >= timeStart && data[i].t <= timeEnd && !data[i].lost) {
|
|
|
+ if (data[i].ping > yMax) yMax = data[i].ping;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ yMax = Math.ceil(yMax * 1.2 / 10) * 10; // round up to nearest 10 with 20% headroom
|
|
|
+
|
|
|
+ var fontSize = 11 * dp;
|
|
|
+ ctx.font = fontSize + "px sans-serif";
|
|
|
+ ctx.textBaseline = "middle";
|
|
|
+
|
|
|
+ // grid lines - horizontal
|
|
|
+ var ySteps = getYSteps(yMax);
|
|
|
+ ctx.strokeStyle = gridColor;
|
|
|
+ ctx.lineWidth = dp;
|
|
|
+ ctx.fillStyle = textColor;
|
|
|
+ ctx.textAlign = "right";
|
|
|
+ for (var s = 0; s < ySteps.length; s++) {
|
|
|
+ var yVal = ySteps[s];
|
|
|
+ if (yVal > yMax) continue;
|
|
|
+ var y = padT + plotH - (yVal / yMax) * plotH;
|
|
|
+ ctx.beginPath();
|
|
|
+ ctx.moveTo(padL, y);
|
|
|
+ ctx.lineTo(padL + plotW, y);
|
|
|
+ ctx.stroke();
|
|
|
+ ctx.fillText(yVal + "", padL - 5 * dp, y);
|
|
|
+ }
|
|
|
+
|
|
|
+ // grid lines - vertical (time ticks)
|
|
|
+ ctx.textAlign = "center";
|
|
|
+ ctx.textBaseline = "top";
|
|
|
+ var timeSpan = timeEnd - timeStart;
|
|
|
+ var tickInterval = timeSpan <= 60 ? 10 : timeSpan <= 120 ? 15 : 30;
|
|
|
+ var firstTick = Math.ceil(timeStart / tickInterval) * tickInterval;
|
|
|
+ for (var t = firstTick; t <= timeEnd; t += tickInterval) {
|
|
|
+ var x = padL + ((t - timeStart) / timeSpan) * plotW;
|
|
|
+ ctx.beginPath();
|
|
|
+ ctx.strokeStyle = gridColor;
|
|
|
+ ctx.moveTo(x, padT);
|
|
|
+ ctx.lineTo(x, padT + plotH);
|
|
|
+ ctx.stroke();
|
|
|
+ ctx.fillStyle = textColor;
|
|
|
+ ctx.fillText(fmtTime(t), x, padT + plotH + 4 * dp);
|
|
|
+ }
|
|
|
+
|
|
|
+ // axis labels
|
|
|
+ ctx.fillStyle = textColor;
|
|
|
+ ctx.textAlign = "right";
|
|
|
+ ctx.textBaseline = "top";
|
|
|
+ ctx.fillText("ms", padL - 5 * dp, padT - 2 * dp);
|
|
|
+
|
|
|
+ // plot border
|
|
|
+ ctx.strokeStyle = gridColor;
|
|
|
+ ctx.lineWidth = dp;
|
|
|
+ ctx.strokeRect(padL, padT, plotW, plotH);
|
|
|
+
|
|
|
+ // alert threshold line
|
|
|
+ if (alertThresholdMs > 0 && alertThresholdMs <= yMax) {
|
|
|
+ var threshY = padT + plotH - (alertThresholdMs / yMax) * plotH;
|
|
|
+ ctx.save();
|
|
|
+ ctx.setLineDash([6 * dp, 4 * dp]);
|
|
|
+ ctx.strokeStyle = thresholdColor;
|
|
|
+ ctx.lineWidth = 1.5 * dp;
|
|
|
+ ctx.beginPath();
|
|
|
+ ctx.moveTo(padL, threshY);
|
|
|
+ ctx.lineTo(padL + plotW, threshY);
|
|
|
+ ctx.stroke();
|
|
|
+ ctx.restore();
|
|
|
+ }
|
|
|
+
|
|
|
+ if (data.length < 2) return;
|
|
|
+
|
|
|
+ // filter visible data
|
|
|
+ var visible = [];
|
|
|
+ for (var i = 0; i < data.length; i++) {
|
|
|
+ if (data[i].t >= timeStart && data[i].t <= timeEnd) visible.push(data[i]);
|
|
|
+ }
|
|
|
+ if (visible.length < 1) return;
|
|
|
+
|
|
|
+ // draw filled area
|
|
|
+ ctx.beginPath();
|
|
|
+ var started = false;
|
|
|
+ for (var i = 0; i < visible.length; i++) {
|
|
|
+ if (visible[i].lost) continue;
|
|
|
+ var px = padL + ((visible[i].t - timeStart) / timeSpan) * plotW;
|
|
|
+ var py = padT + plotH - (visible[i].ping / yMax) * plotH;
|
|
|
+ if (!started) {
|
|
|
+ ctx.moveTo(px, padT + plotH);
|
|
|
+ ctx.lineTo(px, py);
|
|
|
+ started = true;
|
|
|
+ } else {
|
|
|
+ ctx.lineTo(px, py);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // close the fill path
|
|
|
+ if (started) {
|
|
|
+ // find last non-lost point
|
|
|
+ for (var i = visible.length - 1; i >= 0; i--) {
|
|
|
+ if (!visible[i].lost) {
|
|
|
+ var px = padL + ((visible[i].t - timeStart) / timeSpan) * plotW;
|
|
|
+ ctx.lineTo(px, padT + plotH);
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ ctx.closePath();
|
|
|
+ ctx.fillStyle = fillColor;
|
|
|
+ ctx.fill();
|
|
|
+ }
|
|
|
+
|
|
|
+ // draw line
|
|
|
+ ctx.beginPath();
|
|
|
+ started = false;
|
|
|
+ for (var i = 0; i < visible.length; i++) {
|
|
|
+ if (visible[i].lost) {
|
|
|
+ started = false;
|
|
|
+ continue;
|
|
|
+ }
|
|
|
+ var px = padL + ((visible[i].t - timeStart) / timeSpan) * plotW;
|
|
|
+ var py = padT + plotH - (visible[i].ping / yMax) * plotH;
|
|
|
+ if (!started) {
|
|
|
+ ctx.moveTo(px, py);
|
|
|
+ started = true;
|
|
|
+ } else {
|
|
|
+ ctx.lineTo(px, py);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ ctx.strokeStyle = lineColor;
|
|
|
+ ctx.lineWidth = 2 * dp;
|
|
|
+ ctx.lineJoin = "round";
|
|
|
+ ctx.stroke();
|
|
|
+
|
|
|
+ // draw lost packet markers
|
|
|
+ for (var i = 0; i < visible.length; i++) {
|
|
|
+ if (!visible[i].lost) continue;
|
|
|
+ var px = padL + ((visible[i].t - timeStart) / timeSpan) * plotW;
|
|
|
+ ctx.beginPath();
|
|
|
+ ctx.arc(px, padT + plotH - 10 * dp, 3 * dp, 0, Math.PI * 2);
|
|
|
+ ctx.fillStyle = lostColor;
|
|
|
+ ctx.fill();
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+function getYSteps(yMax) {
|
|
|
+ // generate sensible Y-axis grid steps
|
|
|
+ if (yMax <= 50) return [10, 20, 30, 40, 50];
|
|
|
+ if (yMax <= 100) return [20, 40, 60, 80, 100];
|
|
|
+ if (yMax <= 200) return [50, 100, 150, 200];
|
|
|
+ if (yMax <= 500) return [100, 200, 300, 400, 500];
|
|
|
+ // for very high values
|
|
|
+ var step = Math.ceil(yMax / 5 / 100) * 100;
|
|
|
+ var steps = [];
|
|
|
+ for (var v = step; v <= yMax; v += step) steps.push(v);
|
|
|
+ return steps;
|
|
|
+}
|
|
|
+
|
|
|
+// Animation frame loop
|
|
|
+window.requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.msRequestAnimationFrame || (function(callback) { setTimeout(callback, 1000 / 60); });
|
|
|
+function frame() {
|
|
|
+ requestAnimationFrame(frame);
|
|
|
+ updateUI();
|
|
|
+ drawChart();
|
|
|
+}
|
|
|
+frame();
|
|
|
+
|
|
|
+// Alert threshold
|
|
|
+function updateThreshold(val) {
|
|
|
+ alertThresholdMs = parseInt(val);
|
|
|
+ I("thresholdValue").textContent = alertThresholdMs > 0 ? alertThresholdMs + " ms" : "Off";
|
|
|
+}
|
|
|
+
|
|
|
+function playBeep() {
|
|
|
+ var now = new Date().getTime();
|
|
|
+ if (now - lastBeepTime < 1000) return; // debounce 1s
|
|
|
+ lastBeepTime = now;
|
|
|
+ try {
|
|
|
+ if (!audioCtx) audioCtx = new (window.AudioContext || window.webkitAudioContext)();
|
|
|
+ var osc = audioCtx.createOscillator();
|
|
|
+ var gain = audioCtx.createGain();
|
|
|
+ osc.frequency.value = 800;
|
|
|
+ gain.gain.value = 0.3;
|
|
|
+ osc.connect(gain);
|
|
|
+ gain.connect(audioCtx.destination);
|
|
|
+ osc.start();
|
|
|
+ osc.stop(audioCtx.currentTime + 0.1);
|
|
|
+ } catch (e) {}
|
|
|
+}
|
|
|
+
|
|
|
+// CSV download
|
|
|
+function downloadCsv() {
|
|
|
+ if (allPingData.length === 0) return;
|
|
|
+ var csv = "elapsed_s,ping_ms,lost\n";
|
|
|
+ for (var i = 0; i < allPingData.length; i++) {
|
|
|
+ var d = allPingData[i];
|
|
|
+ csv += d.t.toFixed(3) + "," + d.ping.toFixed(2) + "," + (d.lost ? "1" : "0") + "\n";
|
|
|
+ }
|
|
|
+ var blob = new Blob([csv], { type: "text/csv" });
|
|
|
+ var url = URL.createObjectURL(blob);
|
|
|
+ var a = document.createElement("a");
|
|
|
+ a.href = url;
|
|
|
+ a.download = "stability_test_" + new Date().toISOString().slice(0, 19).replace(/:/g, "-") + ".csv";
|
|
|
+ document.body.appendChild(a);
|
|
|
+ a.click();
|
|
|
+ document.body.removeChild(a);
|
|
|
+ URL.revokeObjectURL(url);
|
|
|
+}
|
|
|
+
|
|
|
+// Init
|
|
|
+initServers();
|
|
|
+drawChart();
|
|
|
+</script>
|
|
|
+</body>
|
|
|
+</html>
|
Tom Hudson