speedtest/speedtest_worker.js
2016-11-28 21:09:12 +01:00

111 lines
No EOL
4 KiB
JavaScript

var testStatus=0,dlStatus="",ulStatus="",pingStatus="";
var settings={time_ul:15,time_dl:15,count_ping:35,url_dl:"garbage.php",url_ul:"empty.dat",url_ping:"empty.dat"};
var xhr=null;
this.addEventListener('message', function(e){
var params=e.data.split(" ");
if(params[0]=="status"){
postMessage(testStatus+";"+dlStatus+";"+ulStatus+";"+pingStatus);
}
if(params[0]=="start"&&testStatus==0){
testStatus=1;
try{
var s=JSON.parse(e.data.substring(5));
if(typeof s.url_dl != "undefined") settings.url_dl=s.url_dl;
if(typeof s.url_ul != "undefined") settings.url_ul=s.url_ul;
if(typeof s.url_ping != "undefined") settings.url_ping=s.url_ping;
if(typeof s.time_dl != "undefined") settings.time_dl=s.time_dl;
if(typeof s.time_ul != "undefined") settings.time_ul=s.time_ul;
if(typeof s.count_ping != "undefined") settings.count_ping=s.count_ping;
}catch(e){}
dlTest(function(){testStatus=2;ulTest(function(){testStatus=3;pingTest(function(){testStatus=4;});});});
}
if(params[0]=="abort"){
try{if(xhr)xhr.abort();}catch(e){}
testStatus=5;dlStatus="";ulStatus="";pingStatus="";
}
});
function dlTest(done){
var firstTick=true,startT=new Date().getTime(), prevT=new Date().getTime(),prevLoaded=0,speed=0.0;
xhr=new XMLHttpRequest();
xhr.onprogress=function(event){
var instspd=(event.loaded-prevLoaded)/((new Date().getTime()-prevT)/1000.0);
if(isNaN(instspd)||!isFinite(instspd)) return;
if(firstTick){
speed=instspd;
firstTick=false;
}else{
speed=speed*0.9+instspd*0.1;
}
prevLoaded=event.loaded;
prevT=new Date().getTime();
dlStatus=((speed*8)/1048576.0).toFixed(2);
if(((prevT-startT)/1000.0)>settings.time_dl){try{xhr.abort();}catch(e){} xhr=null; done();}
}.bind(this);
xhr.onload=function(){
dlStatus=((speed*8)/1048576.0).toFixed(2);
xhr=null;
done();
}.bind(this);
xhr.onerror=function(){
dlStatus="Fail";
xhr=null;
done();
}.bind(this);
xhr.open("GET",settings.url_dl+"?r="+Math.random(),true);
xhr.send();
}
function ulTest(done){
var firstTick=true,startT=new Date().getTime(), prevT=new Date().getTime(),prevLoaded=0,speed=0.0;
xhr=new XMLHttpRequest();
xhr.upload.onprogress=function(event){
var instspd=(event.loaded-prevLoaded)/((new Date().getTime()-prevT)/1000.0);
if(isNaN(instspd)||!isFinite(instspd)) return;
if(firstTick){
firstTick=false;
}else{
speed=speed*0.7+instspd*0.3;
}
prevLoaded=event.loaded;
prevT=new Date().getTime();
ulStatus=((speed*8)/1048576.0).toFixed(2);
if(((prevT-startT)/1000.0)>settings.time_ul){try{xhr.abort();}catch(e){} xhr=null; done();}
}.bind(this);
xhr.onload=function(){
ulStatus=((speed*8)/1048576.0).toFixed(2);
done();
}.bind(this);
xhr.onerror=function(){
ulStatus="Fail";
done();
}.bind(this);
xhr.open("POST",settings.url_ul+"?r="+Math.random(),true);
xhr.setRequestHeader('Content-Encoding','identity');
var r=new ArrayBuffer(10485760);
try{var w=new Float32Array(r);for(var i=0;i<w.length;i++)w[i]=Math.random();}catch(e){}
xhr.send(r);
}
function pingTest(done){
var prevT=null,ping=0.0,i=0;
var doPing=function(){
prevT=new Date().getTime();
xhr=new XMLHttpRequest();
xhr.onload=function(){
if(i==0){
prevT=new Date().getTime();
}else{
var instspd=new Date().getTime()-prevT;
if(i==1)ping=instspd; else ping=ping*0.9+instspd*0.1;
}
pingStatus=ping.toFixed(2);
i++;
if(i<settings.count_ping) doPing(); else done();
}.bind(this);
xhr.onerror=function(){
pingStatus="Fail";
done();
}.bind(this);
xhr.open("GET",settings.url_ping+"?r="+Math.random(),true);
xhr.send();
}.bind(this);
doPing();
}