319 lines
14 KiB
JavaScript
319 lines
14 KiB
JavaScript
/*
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HTML5 Speedtest v4.0
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by Federico Dossena
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https://github.com/adolfintel/speedtest/
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GNU LGPLv3 License
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*/
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//data reported to main thread
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var testStatus=0, //0=not started, 1=download test, 2=ping+jitter test, 3=upload test, 4=finished, 5=abort/error
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dlStatus="", //download speed in megabit/s with 2 decimal digits
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ulStatus="", //upload speed in megabit/s with 2 decimal digits
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pingStatus="", //ping in milliseconds with 2 decimal digits
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jitterStatus="", //jitter in milliseconds with 2 decimal digits
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clientIp=""; //client's IP address as reported by getIP.php
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//test settings. can be overridden by sending specific values with the start command
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var settings={
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time_ul:15, //duration of upload test in seconds
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time_dl:15, //duration of download test in seconds
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count_ping:35, //number of pings to perform in ping test
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url_dl:"garbage.php", //path to a large file or garbage.php, used for download test. must be relative to this js file
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url_ul:"empty.dat", //path to an empty file, used for upload test. must be relative to this js file
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url_ping:"empty.dat", //path to an empty file, used for ping test. must be relative to this js file
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url_getIp:"getIP.php", //path to getIP.php relative to this js file, or a similar thing that outputs the client's ip
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xhr_dlMultistream:10, //number of download streams to use (can be different if enable_quirks is active)
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xhr_ulMultistream:3, //number of upload streams to use (can be different if enable_quirks is active)
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xhr_dlUseBlob:false, //if set to true, it reduces ram usage but uses the hard drive (useful with large garbagePhp_chunkSize and/or high xhr_dlMultistream)
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garbagePhp_chunkSize:20, //size of chunks sent by garbage.php (can be different if enable_quirks is active)
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enable_quirks:true, //enable quirks for specific browsers. currently it overrides settings to optimize for specific browsers, unless they are already being overridden with the start command
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allow_fetchAPI:false, //enables Fetch API. currently disabled because it leaks memory like no tomorrow
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force_fetchAPI:false //when Fetch API is enabled, it will force usage on every browser that supports it
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};
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var xhr=null, //array of currently active xhr requests
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interval=null; //timer used in tests
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/*
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when set to true (automatically) the download test will use the fetch api instead of xhr.
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fetch api is used if
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-allow_fetchAPI is true AND
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-(we're on chrome that supports fetch api AND enable_quirks is true) OR (we're on any browser that supports fetch api AND force_fetchAPI is true)
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*/
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var useFetchAPI=false;
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/*
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listener for commands from main thread to this worker.
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commands:
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-status: returns the current status as a string of values spearated by a semicolon (;) in this order: testStatus;dlStatus;ulStatus;pingStatus;clientIp;jitterStatus
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-abort: aborts the current test
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-start: starts the test. optionally, settings can be passed as JSON.
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example: start {"time_ul":"10", "time_dl":"10", "count_ping":"50"}
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*/
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this.addEventListener('message', function(e){
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var params=e.data.split(" ");
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if(params[0]=="status"){ //return status
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postMessage(testStatus+";"+dlStatus+";"+ulStatus+";"+pingStatus+";"+clientIp+";"+jitterStatus);
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}
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if(params[0]=="start"&&testStatus==0){ //start new test
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testStatus=1;
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try{
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//parse settings, if present
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var s=JSON.parse(e.data.substring(5));
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if(typeof s.url_dl != "undefined") settings.url_dl=s.url_dl; //download url
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if(typeof s.url_ul != "undefined") settings.url_ul=s.url_ul; //upload url
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if(typeof s.url_ping != "undefined") settings.url_ping=s.url_ping; //ping url
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if(typeof s.url_getIp != "undefined") settings.url_getIp=s.url_getIp; //url to getIP.php
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if(typeof s.time_dl != "undefined") settings.time_dl=s.time_dl; //duration of download test
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if(typeof s.time_ul != "undefined") settings.time_ul=s.time_ul; //duration of upload test
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if(typeof s.enable_quirks != "undefined") settings.enable_quirks=s.enable_quirks; //enable quirks or not
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if(typeof s.allow_fetchAPI != "undefined") settings.allow_fetchAPI=s.allow_fetchAPI; //allows fetch api to be used if supported
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//quirks for specific browsers. more may be added in future releases
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if(settings.enable_quirks){
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var ua=navigator.userAgent;
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if(/Firefox.(\d+\.\d+)/i.test(ua)){
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//ff more precise with 1 upload stream
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settings.xhr_ulMultistream=1;
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}
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if(/Edge.(\d+\.\d+)/i.test(ua)){
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//edge more precise with 3 download streams
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settings.xhr_dlMultistream=3;
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}
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if((/Safari.(\d+)/i.test(ua))&&!(/Chrome.(\d+)/i.test(ua))){
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//safari more precise with 10 upload streams and 5mb chunks for download test
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settings.xhr_ulMultistream=10;
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settings.garbagePhp_chunkSize=5;
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}
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if(/Chrome.(\d+)/i.test(ua)&&(!!self.fetch)){
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//chrome can't handle large xhr very well, use fetch api if available and allowed
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if(settings.allow_fetchAPI) useFetchAPI=true;
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//chrome more precise with 5 streams
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settings.xhr_dlMultistream=5;
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}
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}
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if(typeof s.count_ping != "undefined") settings.count_ping=s.count_ping; //number of pings for ping test
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if(typeof s.xhr_dlMultistream != "undefined") settings.xhr_dlMultistream=s.xhr_dlMultistream; //number of download streams
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if(typeof s.xhr_ulMultistream != "undefined") settings.xhr_ulMultistream=s.xhr_ulMultistream; //number of upload streams
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if(typeof s.xhr_dlUseBlob != "undefined") settings.xhr_dlUseBlob=s.xhr_dlUseBlob; //use blob for download test
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if(typeof s.garbagePhp_chunkSize != "undefined") settings.garbagePhp_chunkSize=s.garbagePhp_chunkSize; //size of garbage.php chunks
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if(typeof s.force_fetchAPI != "undefined") settings.force_fetchAPI=s.force_fetchAPI; //use fetch api on all browsers that support it if enabled
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if(settings.allow_fetchAPI&&settings.force_fetchAPI&&(!!self.fetch)) useFetchAPI=true;
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}catch(e){console.log(e)}
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//run the tests
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console.log(settings);
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console.log("Fetch API: "+useFetchAPI);
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getIp(function(){dlTest(function(){testStatus=2;pingTest(function(){testStatus=3;ulTest(function(){testStatus=4;});});})});
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}
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if(params[0]=="abort"){ //abort command
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clearRequests(); //stop all xhr activity
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if(interval)clearInterval(interval); //clear timer if present
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testStatus=5;dlStatus="";ulStatus="";pingStatus="";jitterStatus=""; //set test as aborted
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}
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});
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//stops all XHR activity, aggressively
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function clearRequests(){
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if(xhr){
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for(var i=0;i<xhr.length;i++){
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if(useFetchAPI)try{xhr[i].cancelRequested=true;}catch(e){}
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try{xhr[i].onprogress=null; xhr[i].onload=null; xhr[i].onerror=null;}catch(e){}
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try{xhr[i].upload.onprogress=null; xhr[i].upload.onload=null; xhr[i].upload.onerror=null;}catch(e){}
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try{xhr[i].abort();}catch(e){}
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try{delete(xhr[i]);}catch(e){}
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}
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xhr=null;
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}
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}
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//gets client's IP using url_getIp, then calls the done function
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function getIp(done){
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xhr=new XMLHttpRequest();
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xhr.onload=function(){
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clientIp=xhr.responseText;
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done();
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}
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xhr.onerror=function(){
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done();
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}
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xhr.open("GET",settings.url_getIp+"?r="+Math.random(),true);
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xhr.send();
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}
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//download test, calls done function when it's over
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var dlCalled=false; //used to prevent multiple accidental calls to dlTest
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function dlTest(done){
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if(dlCalled) return; else dlCalled=true; //dlTest already called?
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var totLoaded=0.0, //total number of loaded bytes
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startT=new Date().getTime(), //timestamp when test was started
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failed=false; //set to true if a stream fails
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xhr=[];
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//function to create a download stream
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var testStream=function(i,delay){
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setTimeout(function(){ //delay creation of a stream slightly so that the new stream is completely detached from the one that created it
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if(testStatus!=1) return; //delayed stream ended up starting after the end of the download test
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if(useFetchAPI){
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xhr[i]=fetch(settings.url_dl+"?r="+Math.random()+"&ckSize="+settings.garbagePhp_chunkSize).then(function(response) {
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var reader = response.body.getReader();
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var consume=function() {
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return reader.read().then(function(result){
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if(result.done) testStream(i); else{
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totLoaded+=result.value.length;
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if(xhr[i].canelRequested) reader.cancel();
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}
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return consume();
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}.bind(this));
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}.bind(this);
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return consume();
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}.bind(this));
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}else{
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var prevLoaded=0; //number of bytes loaded last time onprogress was called
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var x=new XMLHttpRequest();
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xhr[i]=x;
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xhr[i].onprogress=function(event){
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if(testStatus!=1){try{x.abort();}catch(e){}} //just in case this XHR is still running after the download test
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//progress event, add number of new loaded bytes to totLoaded
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var loadDiff=event.loaded<=0?0:(event.loaded-prevLoaded);
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if(isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0) return; //just in case
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totLoaded+=loadDiff;
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prevLoaded=event.loaded;
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}.bind(this);
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xhr[i].onload=function(){
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//the large file has been loaded entirely, start again
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testStream(i,0);
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}.bind(this);
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xhr[i].onerror=function(){
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//error, abort
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failed=true;
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try{xhr[i].abort();}catch(e){}
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delete(xhr[i]);
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}.bind(this);
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//send xhr
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if(settings.xhr_dlUseBlob) xhr[i].responseType='blob'; else xhr[i].responseType='arraybuffer';
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xhr[i].open("GET",settings.url_dl+"?r="+Math.random()+"&ckSize="+settings.garbagePhp_chunkSize,true); //random string to prevent caching
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xhr[i].send();
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}
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}.bind(this),1+delay);
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}.bind(this);
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//open streams
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for(var i=0;i<settings.xhr_dlMultistream;i++){
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testStream(i,100*i);
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}
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//every 200ms, update dlStatus
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interval=setInterval(function(){
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var t=new Date().getTime()-startT;
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if(t<200) return;
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var speed=totLoaded/(t/1000.0);
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dlStatus=((speed*8)/925000.0).toFixed(2); //925000 instead of 1048576 to account for overhead
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if((t/1000.0)>settings.time_dl||failed){ //test is over, stop streams and timer
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if(failed||isNaN(dlStatus)) dlStatus="Fail";
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clearRequests();
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clearInterval(interval);
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done();
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}
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}.bind(this),200);
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}
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//upload test, calls done function whent it's over
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//garbage data for upload test (1mb of random bytes repeated 20 times, for a total of 20mb)
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var r=new ArrayBuffer(1048576);
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try{r=new Float32Array(r);for(var i=0;i<r.length;i++)r[i]=Math.random();}catch(e){}
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var req=[];
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for(var i=0;i<20;i++) req.push(r);
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req=new Blob(req);
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var ulCalled=false; //used to prevent multiple accidental calls to ulTest
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function ulTest(done){
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if(ulCalled) return; else ulCalled=true; //ulTest already called?
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var totLoaded=0.0, //total number of transmitted bytes
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startT=new Date().getTime(), //timestamp when test was started
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failed=false; //set to true if a stream fails
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xhr=[];
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//function to create an upload stream
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var testStream=function(i,delay){
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setTimeout(function(){ //delay creation of a stream slightly so that the new stream is completely detached from the one that created it
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if(testStatus!=3) return; //delayed stream ended up starting after the end of the upload test
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var prevLoaded=0; //number of bytes transmitted last time onprogress was called
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var x=new XMLHttpRequest();
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xhr[i]=x;
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xhr[i].upload.onprogress=function(event){
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if(testStatus!=3){try{x.abort();}catch(e){}} //just in case this XHR is still running after the upload test
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//progress event, add number of new loaded bytes to totLoaded
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var loadDiff=event.loaded<=0?0:(event.loaded-prevLoaded);
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if(isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0) return; //just in case
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totLoaded+=loadDiff;
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prevLoaded=event.loaded;
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}.bind(this);
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xhr[i].upload.onload=function(){
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//this stream sent all 20mb of garbage data, start again
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testStream(i,0);
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}.bind(this);
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xhr[i].upload.onerror=function(){
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//error, abort
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failed=true;
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try{xhr[i].abort();}catch(e){}
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delete(xhr[i]);
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}.bind(this);
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//send xhr
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xhr[i].open("POST",settings.url_ul+"?r="+Math.random(),true); //random string to prevent caching
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xhr[i].setRequestHeader('Content-Encoding','identity'); //disable compression (some browsers may refuse it, but data is incompressible anyway)
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xhr[i].send(req);
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}.bind(this),1);
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}.bind(this);
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//open streams
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for(var i=0;i<settings.xhr_ulMultistream;i++){
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testStream(i,100*i);
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}
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//every 200ms, update ulStatus
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interval=setInterval(function(){
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var t=new Date().getTime()-startT;
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if(t<200) return;
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var speed=totLoaded/(t/1000.0);
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ulStatus=((speed*8)/925000.0).toFixed(2); //925000 instead of 1048576 to account for overhead
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if((t/1000.0)>settings.time_ul||failed){ //test is over, stop streams and timer
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if(failed||isNaN(ulStatus)) ulStatus="Fail";
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clearRequests();
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clearInterval(interval);
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done();
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}
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}.bind(this),200);
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}
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//ping+jitter test, function done is called when it's over
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var ptCalled=false; //used to prevent multiple accidental calls to pingTest
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function pingTest(done){
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if(ptCalled) return; else ptCalled=true; //pingTest already called?
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var prevT=null, //last time a pong was received
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ping=0.0, //current ping value
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jitter=0.0, //current jitter value
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i=0, //counter of pongs received
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prevInstspd=0; //last ping time, used for jitter calculation
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xhr=[];
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//ping function
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var doPing=function(){
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prevT=new Date().getTime();
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xhr[0]=new XMLHttpRequest();
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xhr[0].onload=function(){
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//pong
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if(i==0){
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prevT=new Date().getTime(); //first pong
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}else{
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var instspd=(new Date().getTime()-prevT)/2;
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var instjitter=Math.abs(instspd-prevInstspd);
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if(i==1)ping=instspd; /*first ping, can't tell jiutter yet*/ else{
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ping=ping*0.9+instspd*0.1; //ping, weighted average
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jitter=instjitter>jitter?(jitter*0.2+instjitter*0.8):(jitter*0.9+instjitter*0.1); //update jitter, weighted average. spikes in ping values are given more weight.
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}
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prevInstspd=instspd;
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}
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pingStatus=ping.toFixed(2);
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jitterStatus=jitter.toFixed(2);
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i++;
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if(i<settings.count_ping) doPing(); else done(); //more pings to do?
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}.bind(this);
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xhr[0].onerror=function(){
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//a ping failed, cancel test
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pingStatus="Fail";
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jitterStatus="Fail";
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clearRequests();
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done();
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}.bind(this);
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//sent xhr
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xhr[0].open("GET",settings.url_ping+"?r="+Math.random(),true); //random string to prevent caching
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xhr[0].send();
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}.bind(this);
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doPing(); //start first ping
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}
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