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root / trunk / web / dojo / dojox / xmpp / TransportSession.js @ 12

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/*
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        Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
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        Available via Academic Free License >= 2.1 OR the modified BSD license.
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        see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dojox.xmpp.TransportSession"]){
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dojo._hasResource["dojox.xmpp.TransportSession"]=true;
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dojo.provide("dojox.xmpp.TransportSession");
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dojo.require("dojox.xmpp.bosh");
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dojo.require("dojox.xmpp.util");
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dojo.require("dojox.data.dom");
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dojox.xmpp.TransportSession=function(_1){
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this.sendTimeout=(this.wait+20)*1000;
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if(_1&&dojo.isObject(_1)){
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dojo.mixin(this,_1);
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if(this.useScriptSrcTransport){
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this.transportIframes=[];
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}
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}
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};
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dojo.extend(dojox.xmpp.TransportSession,{rid:0,hold:1,polling:1000,secure:false,wait:60,lang:"en",submitContentType:"text/xml; charset=utf=8",serviceUrl:"/httpbind",defaultResource:"dojoIm",domain:"imserver.com",sendTimeout:0,useScriptSrcTransport:false,keepAliveTimer:null,state:"NotReady",transmitState:"Idle",protocolPacketQueue:[],outboundQueue:[],outboundRequests:{},inboundQueue:[],deferredRequests:{},matchTypeIdAttribute:{},open:function(){
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this.status="notReady";
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this.rid=Math.round(Math.random()*1000000000);
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this.protocolPacketQueue=[];
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this.outboundQueue=[];
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this.outboundRequests={};
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this.inboundQueue=[];
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this.deferredRequests={};
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this.matchTypeIdAttribute={};
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this.keepAliveTimer=setTimeout(dojo.hitch(this,"_keepAlive"),10000);
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if(this.useScriptSrcTransport){
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dojox.xmpp.bosh.initialize({iframes:this.hold+1,load:dojo.hitch(this,function(){
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this._sendLogin();
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})});
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}else{
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this._sendLogin();
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}
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},_sendLogin:function(){
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var _2=this.rid++;
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var _3={content:this.submitContentType,hold:this.hold,rid:_2,to:this.domain,secure:this.secure,wait:this.wait,"xml:lang":this.lang,"xmpp:version":"1.0",xmlns:dojox.xmpp.xmpp.BODY_NS,"xmlns:xmpp":"urn:xmpp:xbosh"};
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var _4=dojox.xmpp.util.createElement("body",_3,true);
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this.addToOutboundQueue(_4,_2);
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},_sendRestart:function(){
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var _5=this.rid++;
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var _6={rid:_5,sid:this.sid,to:this.domain,"xmpp:restart":"true","xml:lang":this.lang,xmlns:dojox.xmpp.xmpp.BODY_NS,"xmlns:xmpp":"urn:xmpp:xbosh"};
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var _7=dojox.xmpp.util.createElement("body",_6,true);
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this.addToOutboundQueue(_7,_5);
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},processScriptSrc:function(_8,_9){
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var _a=dojox.xml.parser.parse(_8,"text/xml");
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if(_a){
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this.processDocument(_a,_9);
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}else{
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}
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},_keepAlive:function(){
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if(this.state=="wait"||this.isTerminated()){
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return;
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}
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this._dispatchPacket();
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this.keepAliveTimer=setTimeout(dojo.hitch(this,"_keepAlive"),10000);
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},close:function(_b){
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var _c=this.rid++;
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var _d={sid:this.sid,rid:_c,type:"terminate"};
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var _e=null;
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if(_b){
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_e=new dojox.string.Builder(dojox.xmpp.util.createElement("body",_d,false));
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_e.append(_b);
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_e.append("</body>");
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}else{
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_e=new dojox.string.Builder(dojox.xmpp.util.createElement("body",_d,false));
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}
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this.addToOutboundQueue(_e.toString(),_c);
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this.state=="Terminate";
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},dispatchPacket:function(_f,_10,_11,_12){
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if(_f){
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this.protocolPacketQueue.push(_f);
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}
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var def=new dojo.Deferred();
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if(_10&&_11){
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def.protocolMatchType=_10;
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def.matchId=_11;
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def.matchProperty=_12||"id";
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if(def.matchProperty!="id"){
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this.matchTypeIdAttribute[_10]=def.matchProperty;
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}
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}
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this.deferredRequests[def.protocolMatchType+"-"+def.matchId]=def;
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if(!this.dispatchTimer){
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this.dispatchTimer=setTimeout(dojo.hitch(this,"_dispatchPacket"),600);
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}
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return def;
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},_dispatchPacket:function(){
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clearTimeout(this.dispatchTimer);
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delete this.dispatchTimer;
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if(!this.sid){
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return;
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}
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if(!this.authId){
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return;
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}
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if(this.transmitState!="error"&&(this.protocolPacketQueue.length==0)&&(this.outboundQueue.length>0)){
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return;
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}
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if(this.state=="wait"||this.isTerminated()){
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return;
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}
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var req={sid:this.sid,xmlns:dojox.xmpp.xmpp.BODY_NS};
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var _13;
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if(this.protocolPacketQueue.length>0){
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req.rid=this.rid++;
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_13=new dojox.string.Builder(dojox.xmpp.util.createElement("body",req,false));
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_13.append(this.processProtocolPacketQueue());
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_13.append("</body>");
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delete this.lastPollTime;
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}else{
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if(this.lastPollTime){
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var now=new Date().getTime();
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if(now-this.lastPollTime<this.polling){
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this.dispatchTimer=setTimeout(dojo.hitch(this,"_dispatchPacket"),this.polling-(now-this.lastPollTime)+10);
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return;
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}
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}
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req.rid=this.rid++;
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this.lastPollTime=new Date().getTime();
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_13=new dojox.string.Builder(dojox.xmpp.util.createElement("body",req,true));
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}
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this.addToOutboundQueue(_13.toString(),req.rid);
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},redispatchPacket:function(rid){
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var env=this.outboundRequests[rid];
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this.sendXml(env,rid);
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},addToOutboundQueue:function(msg,rid){
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this.outboundQueue.push({msg:msg,rid:rid});
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this.outboundRequests[rid]=msg;
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this.sendXml(msg,rid);
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},removeFromOutboundQueue:function(rid){
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for(var i=0;i<this.outboundQueue.length;i++){
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if(rid==this.outboundQueue[i]["rid"]){
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this.outboundQueue.splice(i,1);
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break;
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}
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}
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delete this.outboundRequests[rid];
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},processProtocolPacketQueue:function(){
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var _14=new dojox.string.Builder();
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for(var i=0;i<this.protocolPacketQueue.length;i++){
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_14.append(this.protocolPacketQueue[i]);
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}
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this.protocolPacketQueue=[];
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return _14.toString();
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},sendXml:function(_15,rid){
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if(this.isTerminated()){
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return false;
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}
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this.transmitState="transmitting";
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var def=null;
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if(this.useScriptSrcTransport){
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def=dojox.xmpp.bosh.get({rid:rid,url:this.serviceUrl+"?"+encodeURIComponent(_15),error:dojo.hitch(this,function(res,io){
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this.setState("Terminate","error");
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return false;
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}),timeout:this.sendTimeout});
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}else{
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def=dojo.rawXhrPost({contentType:"text/xml",url:this.serviceUrl,postData:_15,handleAs:"xml",error:dojo.hitch(this,function(res,io){
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return this.processError(io.xhr.responseXML,io.xhr.status,rid);
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}),timeout:this.sendTimeout});
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}
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def.addCallback(this,function(res){
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return this.processDocument(res,rid);
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});
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return def;
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},processDocument:function(doc,rid){
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if(this.isTerminated()||!doc.firstChild){
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return false;
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}
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this.transmitState="idle";
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var _16=doc.firstChild;
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if(_16.nodeName!="body"){
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}
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if(this.outboundQueue.length<1){
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return false;
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}
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var _17=this.outboundQueue[0]["rid"];
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if(rid==_17){
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this.removeFromOutboundQueue(rid);
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this.processResponse(_16,rid);
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this.processInboundQueue();
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}else{
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var gap=rid-_17;
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if(gap<this.hold+2){
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this.addToInboundQueue(doc,rid);
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}else{
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}
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}
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return doc;
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},processInboundQueue:function(){
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while(this.inboundQueue.length>0){
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var _18=this.inboundQueue.shift();
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this.processDocument(_18["doc"],_18["rid"]);
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}
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},addToInboundQueue:function(doc,rid){
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for(var i=0;i<this.inboundQueue.length;i++){
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if(rid<this.inboundQueue[i]["rid"]){
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continue;
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}
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this.inboundQueue.splice(i,0,{doc:doc,rid:rid});
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}
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},processResponse:function(_19,rid){
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if(_19.getAttribute("type")=="terminate"){
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var _1a=_19.firstChild.firstChild;
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var _1b="";
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if(_1a.nodeName=="conflict"){
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_1b="conflict";
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}
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this.setState("Terminate",_1b);
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return;
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}
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if((this.state!="Ready")&&(this.state!="Terminate")){
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var sid=_19.getAttribute("sid");
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if(sid){
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this.sid=sid;
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}else{
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throw new Error("No sid returned during xmpp session startup");
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}
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this.authId=_19.getAttribute("authid");
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if(this.authId==""){
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if(this.authRetries--<1){
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console.error("Unable to obtain Authorization ID");
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this.terminateSession();
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}
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}
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this.wait=_19.getAttribute("wait");
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if(_19.getAttribute("polling")){
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this.polling=parseInt(_19.getAttribute("polling"))*1000;
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}
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this.inactivity=_19.getAttribute("inactivity");
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this.setState("Ready");
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}
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dojo.forEach(_19.childNodes,function(_1c){
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this.processProtocolResponse(_1c,rid);
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},this);
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if(this.transmitState=="idle"){
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this.dispatchPacket();
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}
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},processProtocolResponse:function(msg,rid){
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this.onProcessProtocolResponse(msg);
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var key=msg.nodeName+"-"+msg.getAttribute("id");
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var def=this.deferredRequests[key];
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if(def){
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def.callback(msg);
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delete this.deferredRequests[key];
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}
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},setState:function(_1d,_1e){
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if(this.state!=_1d){
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if(this["on"+_1d]){
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this["on"+_1d](_1d,this.state,_1e);
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}
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this.state=_1d;
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}
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},isTerminated:function(){
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return this.state=="Terminate";
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},processError:function(err,_1f,rid){
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if(this.isTerminated()){
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return false;
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}
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if(_1f!=200){
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if(_1f>=400&&_1f<500){
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this.setState("Terminate",_20);
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return false;
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}else{
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this.removeFromOutboundQueue(rid);
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setTimeout(dojo.hitch(this,function(){
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this.dispatchPacket();
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}),200);
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return true;
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}
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return false;
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}
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if(err&&err.dojoType&&err.dojoType=="timeout"){
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}
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this.removeFromOutboundQueue(rid);
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if(err&&err.firstChild){
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if(err.firstChild.getAttribute("type")=="terminate"){
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var _21=err.firstChild.firstChild;
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var _20="";
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if(_21&&_21.nodeName=="conflict"){
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_20="conflict";
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}
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this.setState("Terminate",_20);
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return false;
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}
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}
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this.transmitState="error";
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setTimeout(dojo.hitch(this,function(){
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this.dispatchPacket();
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}),200);
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return true;
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},onTerminate:function(_22,_23,_24){
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},onProcessProtocolResponse:function(msg){
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},onReady:function(_25,_26){
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}});
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}