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133 lines
3.3 KiB
JavaScript
133 lines
3.3 KiB
JavaScript
dojo.provide("dojox.analytics._base");
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dojox.analytics = function(){
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// summary: TODOC
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// where we store data until we're ready to send it off.
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//
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//the data queue;
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this._data = [];
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//id of messages for this session/page
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this._id = 1;
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//some default values
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this.sendInterval = dojo.config["sendInterval"] || 5000;
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this.inTransitRetry = dojo.config["inTransitRetry"] || 200;
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this.dataUrl = dojo.config["analyticsUrl"] || dojo.moduleUrl("dojox.analytics.logger", "dojoxAnalytics.php");
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this.sendMethod = dojo.config["sendMethod"] || "xhrPost";
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this.maxRequestSize = dojo.isIE ? 2000 : dojo.config["maxRequestSize"] || 4000;
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//while we can go ahead and being logging as soon as this constructor is completed
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//we're not going to schedule pushing data to the server until after the page
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//has completed loading
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dojo.addOnLoad(this, "schedulePusher");
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dojo.addOnUnload(this, "pushData", true);
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};
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dojo.extend(dojox.analytics, {
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schedulePusher: function(/* Int */interval){
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// summary: Schedule the data pushing routines to happen in interval ms
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setTimeout(dojo.hitch(this, "checkData"), interval || this.sendInterval);
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},
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addData: function(dataType, data){
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// summary:
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// add data to the queue. Will be pusshed to the server on the next
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// data push
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if(arguments.length > 2){
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// FIXME: var c = dojo._toArray(arguments) ?
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var c = [];
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for(var i = 1; i < arguments.length; i++){
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c.push(arguments[i]);
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}
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data = c;
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}
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this._data.push({ plugin: dataType, data: data });
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},
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checkData: function(){
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// summary: TODOC?
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if(this._inTransit){
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this.schedulePusher(this.inTransitRetry);
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return;
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}
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if(this.pushData()){ return; }
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this.schedulePusher();
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},
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pushData: function(){
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// summary:
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// pushes data to the server if any exists. If a push is done, return
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// the deferred after hooking up completion callbacks. If there is no data
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// to be pushed, return false;
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if(this._data.length){
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//clear the queue
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this._inTransit = this._data;
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this._data = [];
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var def;
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switch(this.sendMethod){
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case "script":
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def = dojo.io.script.get({
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url: this.getQueryPacket(),
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preventCache: 1,
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callbackParamName: "callback"
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});
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break;
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case "xhrPost":
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default:
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def = dojo.xhrPost({
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url:this.dataUrl,
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content:{
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id: this._id++,
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data: dojo.toJson(this._inTransit)
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}
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});
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break;
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}
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def.addCallback(this, "onPushComplete");
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return def;
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}
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return false;
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},
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getQueryPacket: function(){
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// summary: TODOC
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while(true){
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var content = {
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id: this._id++,
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data: dojo.toJson(this._inTransit)
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};
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//FIXME would like a much better way to get the query down to lenght
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var query = this.dataUrl + '?' + dojo.objectToQuery(content);
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if(query.length > this.maxRequestSize){
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this._data.unshift(this._inTransit.pop());
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this._split = 1;
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}else{
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return query;
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}
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}
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},
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onPushComplete: function(results){
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// summary:
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// If our data push was successfully, remove the _inTransit data and schedule the next
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// parser run.
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if(this._inTransit){
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delete this._inTransit;
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}
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if(this._data.length > 0){
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this.schedulePusher(this.inTransitRetry);
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}else{
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this.schedulePusher();
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}
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}
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});
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//create the analytics singleton
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dojox.analytics = new dojox.analytics();
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