speedtest/speedtest_worker.js

104 lines
3 KiB
JavaScript

var testStatus=0,dlStatus="",ulStatus="",pingStatus="";
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"){
if(testStatus==0){
testStatus=1;
var dlUrl=params[1]?params[1]:"garbage.php", ulUrl=params[2]?params[2]:"empty.dat", pingUrl=params[3]?params[3]:"empty.dat";
dlTest(dlUrl,function(){testStatus=2;ulTest(ulUrl,function(){testStatus=3;pingTest(pingUrl,function(){testStatus=4;});});});
}
}
if(params[0]=="abort"){
try{if(xhr)xhr.abort();}catch(e){}
testStatus=5;dlStatus="";ulStatus="";pingStatus="";
}
});
function dlTest(serverURL,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)>15){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", serverURL+"?random="+Math.random(),true);
xhr.send();
}
function ulTest(serverURL,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)>15){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", serverURL+"?random="+Math.random(),true);
xhr.send(new ArrayBuffer(10485760));
}
function pingTest(pingUrl,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<50) doPing(); else done();
}.bind(this);
xhr.onerror=function(){
pingStatus="Fail";
done();
}.bind(this);
xhr.open("GET", pingUrl+"?random="+Math.random(),true);
xhr.send();
}.bind(this);
doPing();
}