| 1 |
// Set domain at highest level |
/* |
| 2 |
var domainparts = document.domain.split("."); |
stream: xhrinteractive, iframe, serversent |
| 3 |
document.domain = domainparts[domainparts.length-2]+"."+domainparts[domainparts.length-1]; |
longpoll |
| 4 |
|
smartpoll |
| 5 |
Function.prototype.bind = function(obj) { |
simplepoll |
| 6 |
var method = this, |
*/ |
| 7 |
temp = function() { |
|
| 8 |
return method.apply(obj, arguments); |
Meteor = { |
| 9 |
}; |
|
| 10 |
return temp; |
callbacks: { |
| 11 |
} |
process: function() {}, |
| 12 |
Function.prototype.andThen=function(g) { |
reset: function() {}, |
| 13 |
var f=this; |
eof: function() {}, |
| 14 |
var a=this.arguments |
statuschanged: function() {}, |
| 15 |
return function(args) { |
changemode: function() {} |
| 16 |
f(a);g(args); |
}, |
| 17 |
} |
channelcount: 0, |
| 18 |
}; |
channels: {}, |
| 19 |
|
debugmode: false, |
| 20 |
function Meteor(instID) { |
frameref: null, |
| 21 |
|
host: null, |
| 22 |
this.transferDoc = false; |
hostid: null, |
| 23 |
this.pingtimer = false; |
maxpollfreq: 60000, |
| 24 |
this.updatepollfreqtimer = false; |
minpollfreq: 2000, |
| 25 |
this.lastrequest = 0; |
mode: "stream", |
| 26 |
this.recvtimes = []; |
pingtimeout: 20000, |
| 27 |
this.MHostId = false; |
pingtimer: null, |
| 28 |
this.callback_process = function() {}; |
pollfreq: 3000, |
| 29 |
this.callback_reset = function() {}; |
port: 80, |
| 30 |
this.callback_eof = function() {}; |
pollaborted: false, |
| 31 |
this.callback_changemode = function() {}; |
pollhost: null, |
| 32 |
this.callback_statuschanged = function() {}; |
pollnum: 0, |
| 33 |
this.persist = 1; |
polltimeout: 30000, |
| 34 |
this.frameloadtimer = false; |
polltimer: null, |
| 35 |
this.debugmode = false; |
recvtimes: [], |
| 36 |
this.subsurl = false; |
lastrequest: null, |
| 37 |
this.channels = {}; |
status: 0, |
| 38 |
this.channelcount = 0; |
updatepollfreqtimer: null, |
| 39 |
this.streamreq = false; |
|
| 40 |
this.byteoffset = 0; |
isSupportedBrowser: function() { |
| 41 |
|
var v; |
| 42 |
// Documented public properties |
if (v = navigator.userAgent.match(/compatible\; MSIE\ ([0-9\.]+)\;/i)) { |
| 43 |
this.subdomain = "data"; |
if (parseFloat(v[1]) <= 5.5) return false; |
| 44 |
this.dynamicpageaddress = "push"; |
} else if (v = navigator.userAgent.match(/Gecko\/([0-9]+)/i)) { |
| 45 |
this.smartpoll = 1; |
if (parseInt(v[1]) <= 20051015) return false; |
| 46 |
this.pollfreq = 2000; |
} else if (v = navigator.userAgent.match(/WebKit\/([0-9\.]+)/i)) { |
| 47 |
this.minpollfreq = 2000; |
if (parseFloat(v[1]) < 400) return false; |
| 48 |
this.mode = "stream"; |
} |
| 49 |
this.polltimeout = 30000; |
return true; |
| 50 |
this.pingtimeout = 10000; |
}, |
| 51 |
this.maxmessages = 0; |
|
| 52 |
this.status = 0; |
register: function(ifr) { |
| 53 |
|
ifr.p = Meteor.process; |
| 54 |
/* Statuses: 0 = Uninitialised, |
ifr.r = Meteor.reset; |
| 55 |
1 = Loading stream, |
ifr.eof = Meteor.eof; |
| 56 |
2 = Loading controller frame, |
ifr.ch = Meteor.channelInfo; |
| 57 |
3 = Controller frame timeout, retrying. |
clearTimeout(Meteor.frameloadtimer); |
| 58 |
4 = Controller frame loaded and ready |
Meteor.setstatus(4); |
| 59 |
5 = Receiving data |
Meteor.log("Frame registered"); |
| 60 |
*/ |
}, |
| 61 |
|
|
| 62 |
this.instID = (typeof(instID) != "undefined") ? instID : 0; |
joinChannel: function(channelname, backtrack) { |
| 63 |
this.MHostId = Math.floor(Math.random()*100000000)+""+this.instID; |
if (typeof(Meteor.channels[channelname]) != "undefined") throw "Cannot join channel "+channelname+": already subscribed"; |
| 64 |
} |
Meteor.channels[channelname] = {backtrack:backtrack}; |
| 65 |
|
Meteor.log("Joined channel "+channelname); |
| 66 |
Meteor.instances = new Array(); |
Meteor.channelcount++; |
| 67 |
|
if (Meteor.status != 0 && Meteor.status != 6) Meteor.connect(); |
| 68 |
Meteor.create = function(instID) { |
}, |
| 69 |
if (!instID) instID = Meteor.instances.length; |
|
| 70 |
Meteor.instances[instID] = new Meteor(instID); |
leaveChannel: function(channelname) { |
| 71 |
return Meteor.instances[instID]; |
if (typeof(Meteor.channels[channelname]) == "undefined") throw "Cannot leave channel "+channelname+": not subscribed"; |
| 72 |
} |
delete Meteor.channels[channelname]; |
| 73 |
|
Meteor.log("Left channel "+channelname); |
| 74 |
Meteor.register = function(ifr) { |
Meteor.channelcount--; |
| 75 |
instid = new String(ifr.window.frameElement.id); |
if (Meteor.channelcount && Meteor.status != 0 && Meteor.status != 6) Meteor.connect(); |
| 76 |
instid = instid.replace(/.*_([0-9]*)$/, "$1"); |
else Meteor.disconnect(); |
| 77 |
ifr.p = this.instances[instid].process.bind(this.instances[instid]); |
}, |
| 78 |
ifr.r = this.instances[instid].reset.bind(this.instances[instid]); |
|
| 79 |
ifr.eof = this.instances[instid].eof.bind(this.instances[instid]); |
connect: function() { |
| 80 |
ifr.get = this.instances[instid].get.bind(this.instances[instid]); |
if (!Meteor.host) throw "Meteor host not specified"; |
| 81 |
ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]); |
if (isNaN(Meteor.port)) throw "Meteor port not specified"; |
| 82 |
clearTimeout(this.instances[instid].frameloadtimer); |
if (!Meteor.channelcount) throw "No channels specified"; |
| 83 |
this.instances[instid].setstatus(4); |
if (Meteor.status) Meteor.disconnect(); |
| 84 |
if (this.debugmode) console.log("Frame registered"); |
Meteor.log("Connecting"); |
| 85 |
} |
Meteor.setstatus(1); |
| 86 |
|
if (!Meteor.hostid) Meteor.hostid = Meteor.time()+""+Math.floor(Math.random()*1000000) |
| 87 |
Meteor.reset = function(ifr) { |
document.domain = Meteor.extract_xss_domain(document.domain); |
| 88 |
instid = new String(ifr.window.frameElement.id); |
if (Meteor.mode=="stream") Meteor.mode = Meteor.selectStreamTransport(); |
| 89 |
instid = instid.replace(/.*_([0-9]*)$/, "$1"); |
Meteor.log("Selected "+Meteor.mode+" transport"); |
| 90 |
this.instances[instid].reset(); |
if (Meteor.mode=="xhrinteractive" || Meteor.mode=="iframe" || Meteor.mode=="serversent") { |
| 91 |
} |
if (Meteor.mode == "iframe") { |
| 92 |
|
Meteor.loadFrame(Meteor.getSubsUrl()); |
| 93 |
Meteor.prototype.joinChannel = function(channelname, backtrack) { |
} else { |
| 94 |
if (typeof(this.channels[channelname]) != "undefined") throw "Cannot join channel "+channelname+": already subscribed"; |
Meteor.loadFrame("http://"+Meteor.host+((Meteor.port==80)?"":":"+Meteor.port)+"/stream.html"); |
| 95 |
this.channels[channelname] = {backtrack:backtrack, lastmsgreceived:0}; |
} |
| 96 |
if (this.debugmode) console.log("Joined channel "+channelname+", channel list follows"); |
clearTimeout(Meteor.pingtimer); |
| 97 |
if (this.debugmode) console.log(this.channels); |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
| 98 |
if (this.status != 0) this.start(); |
|
| 99 |
this.channelcount++; |
} else { |
| 100 |
} |
Meteor.recvtimes[0] = Meteor.time(); |
| 101 |
|
if (Meteor.updatepollfreqtimer) clearTimeout(Meteor.updatepollfreqtimer); |
| 102 |
Meteor.prototype.leaveChannel = function(channelname) { |
if (Meteor.mode=='smartpoll') Meteor.updatepollfreqtimer = setInterval(Meteor.updatepollfreq, 10000); |
| 103 |
if (typeof(this.channels[channelname]) == "undefined") throw "Cannot leave channel "+channelname+": not subscribed"; |
if (Meteor.mode=='longpoll') Meteor.pollfreq = Meteor.minpollfreq; |
| 104 |
delete this.channels[channelname]; |
Meteor.poll(); |
| 105 |
if (this.status != 0) this.start(); |
} |
| 106 |
this.channelcount--; |
}, |
| 107 |
} |
|
| 108 |
|
disconnect: function() { |
| 109 |
Meteor.prototype.start = function() { |
if (Meteor.status) { |
| 110 |
this.persist = (this.persist)?1:0; |
if (Meteor.status != 6) Meteor.setstatus(0); |
| 111 |
this.smartpoll = (this.smartpoll)?1:0; |
Meteor.clearpoll(); |
| 112 |
this.mode = (this.mode=="stream")?"stream":"poll"; |
clearTimeout(Meteor.pingtimer); |
| 113 |
if (!this.subdomain || !this.channelcount) throw "Channel or Meteor subdomain host not specified"; |
clearTimeout(Meteor.updatepollfreqtimer); |
| 114 |
this.stop(); |
clearTimeout(Meteor.frameloadtimer); |
| 115 |
var now = new Date(); |
if (typeof CollectGarbage == 'function') CollectGarbage(); |
| 116 |
var t = now.getTime(); |
Meteor.log("Disconnected"); |
| 117 |
this.setstatus(1); |
try { Meteor.frameref.parentNode.removeChild(Meteor.frameref); delete Meteor.frameref; return true; } catch(e) { } |
| 118 |
this.updateSubsUrl(); |
try { Meteor.frameref.open(); Meteor.frameref.close(); return true; } catch(e) {} |
| 119 |
if (this.mode=="stream") { |
} |
| 120 |
if (document.all) { |
}, |
| 121 |
this.createIframe(this.subsurl); |
|
| 122 |
} else { |
selectStreamTransport: function() { |
| 123 |
this.createIframe("http://"+this.subdomain+"."+location.hostname+"/stream.html"); |
try { |
| 124 |
} |
var test = ActiveXObject; |
| 125 |
var f = this.pollmode.bind(this); |
return "iframe"; |
| 126 |
clearTimeout(this.pingtimer); |
} catch (e) {} |
| 127 |
this.pingtimer = setTimeout(f, this.pingtimeout); |
if ((typeof window.addEventStream) == "function") return "iframe"; |
| 128 |
|
return "xhrinteractive"; |
| 129 |
} else { |
}, |
| 130 |
this.createIframe("http://"+this.subdomain+"."+location.hostname+"/poll.html?nc="+t); |
|
| 131 |
this.recvtimes[0] = t; |
getSubsUrl: function() { |
| 132 |
if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer); |
var host = ((Meteor.mode=='simplepoll' || Meteor.mode=='smartpoll' || Meteor.mode=='longpoll') && Meteor.pollhost) ? Meteor.pollhost : Meteor.host; |
| 133 |
this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500); |
var surl = "http://" + host + ((Meteor.port==80)?"":":"+Meteor.port) + "/push/" + Meteor.hostid + "/" + Meteor.mode; |
| 134 |
} |
for (var c in Meteor.channels) { |
| 135 |
this.lastrequest = t; |
surl += "/"+c; |
| 136 |
} |
if (typeof Meteor.channels[c].lastmsgreceived != 'undefined') { |
| 137 |
|
surl += ".r"+(Meteor.channels[c].lastmsgreceived+1); |
| 138 |
Meteor.prototype.updateSubsUrl = function() { |
} else if (Meteor.channels[c].backtrack > 0) { |
| 139 |
|
surl += ".b"+Meteor.channels[c].backtrack; |
| 140 |
// If streaming or long polling, connection should persist |
} else if (Meteor.channels[c].backtrack != undefined) { |
| 141 |
this.persist = (this.mode == "stream" || (this.mode=='poll' && this.maxmessages > 0)) ? 1 : 0; |
surl += ".h"; |
| 142 |
var surl = "http://" + this.subdomain + "." + location.hostname + "/" + this.dynamicpageaddress + "?id=" + this.MHostId; |
} |
| 143 |
if (this.persist && this.mode != "stream") surl += "&maxmessages=" + this.maxmessages; |
} |
| 144 |
surl += "&persist="+this.persist; |
surl += "?nc="+Meteor.time(); |
| 145 |
for (var c in this.channels) { |
return surl; |
| 146 |
surl += "&channel="+c; |
}, |
| 147 |
if (this.channels[c].lastmsgreceived > 0) { |
|
| 148 |
surl += "&restartfrom="+(this.channels[c].lastmsgreceived+1); |
loadFrame: function(url) { |
| 149 |
} else if (this.channels[c].backtrack > 0) { |
try { |
| 150 |
surl += "&backtrack="+this.channels[c].backtrack; |
if (!Meteor.frameref) { |
| 151 |
} else if (this.channels[c].backtrack < 0 || isNaN(this.channels[c].backtrack)) { |
var transferDoc = new ActiveXObject("htmlfile"); |
| 152 |
surl += "&restartfrom="; |
Meteor.frameref = transferDoc; |
| 153 |
} |
} |
| 154 |
} |
Meteor.frameref.open(); |
| 155 |
this.subsurl = surl; |
Meteor.frameref.write("<html><script>"); |
| 156 |
} |
Meteor.frameref.write("document.domain=\""+(document.domain)+"\";"); |
| 157 |
|
Meteor.frameref.write("</"+"script></html>"); |
| 158 |
Meteor.prototype.createIframe = function(url) { |
Meteor.frameref.parentWindow.Meteor = Meteor; |
| 159 |
delete this.transferDoc; |
Meteor.frameref.close(); |
| 160 |
if (document.all) try { this.transferDoc = new ActiveXObject("htmlfile") } catch(ex) { this.transferDoc = null } |
var ifrDiv = Meteor.frameref.createElement("div"); |
| 161 |
if (document.all && this.transferDoc) { |
Meteor.frameref.appendChild(ifrDiv); |
| 162 |
this.transferDoc = new ActiveXObject("htmlfile"); |
ifrDiv.innerHTML = "<iframe src=\""+url+"\"></iframe>"; |
| 163 |
this.transferDoc.open(); |
} catch (e) { |
| 164 |
this.transferDoc.write("<html>"); |
if (!Meteor.frameref) { |
| 165 |
this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>"); |
var ifr = document.createElement("IFRAME"); |
| 166 |
this.transferDoc.write("</html>"); |
ifr.style.width = "10px"; |
| 167 |
this.transferDoc.parentWindow.Meteor = Meteor; |
ifr.style.height = "10px"; |
| 168 |
this.transferDoc.close(); |
ifr.style.border = "none"; |
| 169 |
var ifrDiv = this.transferDoc.createElement("div"); |
ifr.style.position = "absolute"; |
| 170 |
this.transferDoc.appendChild(ifrDiv); |
ifr.style.top = "-10px"; |
| 171 |
ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"\" style=\"display: none;\"></iframe>"; |
ifr.style.marginTop = "-10px"; |
| 172 |
} else { |
ifr.style.zIndex = "-20"; |
| 173 |
var ifr = document.createElement("IFRAME"); |
ifr.Meteor = Meteor; |
| 174 |
ifr.style.width = "10px"; |
document.body.appendChild(ifr); |
| 175 |
ifr.style.height = "10px"; |
Meteor.frameref = ifr; |
| 176 |
ifr.style.border = "none"; |
} |
| 177 |
ifr.style.position = "absolute"; |
Meteor.frameref.setAttribute("src", url); |
| 178 |
ifr.style.top = "-10px"; |
} |
| 179 |
ifr.style.marginTop = "-10px"; |
Meteor.log("Loading URL '"+url+"' into frame..."); |
| 180 |
ifr.style.zIndex = "-20"; |
Meteor.frameloadtimer = setTimeout(Meteor.frameloadtimeout, 5000); |
| 181 |
ifr.setAttribute("id", "meteorframe_"+this.instID); |
}, |
| 182 |
ifr.Meteor = Meteor; |
|
| 183 |
if (document.compatMode=='CSS1Compat') { |
pollmode: function() { |
| 184 |
var innerifr = document.createElement("IFRAME"); |
Meteor.log("Ping timeout"); |
| 185 |
innerifr.setAttribute("src", url); |
if (Meteor.mode != "smartpoll") { |
| 186 |
innerifr.setAttribute("id", "meteorinnerframe_"+this.instID); |
Meteor.mode="smartpoll"; |
| 187 |
ifr.appendChild(innerifr); |
Meteor.callbacks["changemode"]("poll"); |
| 188 |
document.body.appendChild(ifr); |
clearTimeout(Meteor.pingtimer); |
| 189 |
} else { |
Meteor.lastpingtime = false; |
| 190 |
ifr.setAttribute("src", url); |
} |
| 191 |
document.body.appendChild(ifr); |
Meteor.connect(); |
| 192 |
} |
}, |
| 193 |
} |
|
| 194 |
if (this.debugmode) console.log("Loading URL '"+url+"' into frame..."); |
process: function(id, channel, data) { |
| 195 |
var f = this.frameloadtimeout.bind(this); |
if (id == -1) { |
| 196 |
this.frameloadtimer = setTimeout(f, 5000); |
Meteor.log("Ping"); |
| 197 |
} |
Meteor.ping(); |
| 198 |
|
} else if (typeof(Meteor.channels[channel]) != "undefined") { |
| 199 |
Meteor.prototype.stop = function() { |
Meteor.log("Message "+id+" received on channel "+channel+" (last id on channel: "+Meteor.channels[channel].lastmsgreceived+")\n"+data); |
| 200 |
if (typeof(this.transferDoc)=="object") { |
Meteor.callbacks["process"](data); |
| 201 |
this.transferDoc = false; |
Meteor.channels[channel].lastmsgreceived = id; |
| 202 |
} |
if (Meteor.mode=="smartpoll") { |
| 203 |
if (document.getElementById("meteorframe_"+this.instID)) { |
Meteor.recvtimes[Meteor.recvtimes.length] = Meteor.time(); |
| 204 |
document.getElementById("meteorframe_"+this.instID).src="about:blank"; |
while (Meteor.recvtimes.length > 5) Meteor.recvtimes.shift(); |
| 205 |
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
} |
| 206 |
} |
} |
| 207 |
clearTimeout(this.pingtimer); |
Meteor.setstatus(5); |
| 208 |
clearTimeout(this.updatepollfreqtimer); |
}, |
| 209 |
clearTimeout(this.frameloadtimer); |
|
| 210 |
this.setstatus(0); |
ping: function() { |
| 211 |
} |
if (Meteor.pingtimer) { |
| 212 |
|
clearTimeout(Meteor.pingtimer); |
| 213 |
Meteor.prototype.pollmode = function() { |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
| 214 |
if (this.debugmode) console.log("Ping timeout"); |
Meteor.lastpingtime = Meteor.time(); |
| 215 |
this.mode="poll"; |
} |
| 216 |
this.start(); |
Meteor.setstatus(5); |
| 217 |
this.callback_changemode("poll"); |
}, |
| 218 |
this.lastpingtime = false; |
|
| 219 |
} |
reset: function() { |
| 220 |
|
if (Meteor.status != 6 && Meteor.status != 0) { |
| 221 |
Meteor.prototype.process = function(id, channel, data) { |
Meteor.log("Stream reset"); |
| 222 |
if (id == -1) { |
Meteor.ping(); |
| 223 |
if (this.debugmode) console.log("Ping"); |
Meteor.callbacks["reset"](); |
| 224 |
this.ping(); |
var x = Meteor.pollfreq - (Meteor.time()-Meteor.lastrequest); |
| 225 |
} else if (typeof(this.channels[channel]) != "undefined" && id > this.channels[channel].lastmsgreceived) { |
if (x < 10) x = 10; |
| 226 |
if (this.debugmode) console.log("Message "+id+" received on channel "+channel+" (last id on channel: "+this.channels[channel].lastmsgreceived+")\n"+data); |
setTimeout(Meteor.connect, x); |
| 227 |
this.callback_process(data); |
} |
| 228 |
this.channels[channel].lastmsgreceived = id; |
}, |
| 229 |
if (this.mode=="poll") { |
|
| 230 |
var now = new Date(); |
eof: function() { |
| 231 |
var t = now.getTime(); |
Meteor.log("Received end of stream, will not reconnect"); |
| 232 |
this.recvtimes[this.recvtimes.length] = t; |
Meteor.callbacks["eof"](); |
| 233 |
while (this.recvtimes.length > 5) this.recvtimes.shift(); |
Meteor.setstatus(6); |
| 234 |
} |
Meteor.disconnect(); |
| 235 |
} |
}, |
| 236 |
this.updateSubsUrl(); |
|
| 237 |
this.setstatus(5); |
channelInfo: function(channel, id) { |
| 238 |
} |
Meteor.channels[channel].lastmsgreceived = id; |
| 239 |
|
Meteor.log("Received channel info for channel "+channel+": resume from "+id); |
| 240 |
Meteor.prototype.ping = function() { |
}, |
| 241 |
if (this.mode=="stream" && this.pingtimer) { |
|
| 242 |
clearTimeout(this.pingtimer); |
updatepollfreq: function() { |
| 243 |
var f = this.pollmode.bind(this); |
var avg = 0; |
| 244 |
this.pingtimer = setTimeout(f, this.pingtimeout); |
for (var i=1; i<Meteor.recvtimes.length; i++) { |
| 245 |
var now = new Date(); |
avg += (Meteor.recvtimes[i]-Meteor.recvtimes[i-1]); |
| 246 |
this.lastpingtime = now.getTime(); |
} |
| 247 |
} |
avg += (Meteor.time()-Meteor.recvtimes[Meteor.recvtimes.length-1]); |
| 248 |
this.setstatus(5); |
avg /= Meteor.recvtimes.length; |
| 249 |
} |
var target = avg/2; |
| 250 |
|
if (target < Meteor.pollfreq && Meteor.pollfreq > Meteor.minpollfreq) Meteor.pollfreq = Math.ceil(Meteor.pollfreq*0.9); |
| 251 |
Meteor.prototype.reset = function() { |
if (target > Meteor.pollfreq && Meteor.pollfreq < Meteor.maxpollfreq) Meteor.pollfreq = Math.floor(Meteor.pollfreq*1.05); |
| 252 |
if (this.debugmode) console.log("Stream reset"); |
}, |
| 253 |
var now = new Date(); |
|
| 254 |
var t = now.getTime(); |
registerEventCallback: function(evt, funcRef) { |
| 255 |
var x = this.pollfreq - (t-this.lastrequest); |
Function.prototype.andThen=function(g) { |
| 256 |
if (x < 10) x = 10; |
var f=this; |
| 257 |
this.ping(); |
var a=Meteor.arguments |
| 258 |
this.callback_reset(); |
return function(args) { |
| 259 |
setTimeout(this.start.bind(this), x); |
f(a);g(args); |
| 260 |
} |
} |
| 261 |
|
}; |
| 262 |
Meteor.prototype.eof = function() { |
if (typeof Meteor.callbacks[evt] == "function") { |
| 263 |
this.callback_eof(); |
Meteor.callbacks[evt] = (Meteor.callbacks[evt]).andThen(funcRef); |
| 264 |
} |
} else { |
| 265 |
|
Meteor.callbacks[evt] = funcRef; |
| 266 |
Meteor.prototype.get = function(varname) { |
} |
| 267 |
eval("var a = this."+varname+";"); |
}, |
| 268 |
if (typeof(a) == "undefined") throw "Cannot get value of "+varname; |
|
| 269 |
return a; |
frameloadtimeout: function() { |
| 270 |
} |
Meteor.log("Frame load timeout"); |
| 271 |
|
if (Meteor.frameloadtimer) clearTimeout(Meteor.frameloadtimer); |
| 272 |
Meteor.prototype.increasepolldelay = function() { |
Meteor.setstatus(3); |
| 273 |
this.pollfreq *= 2; |
Meteor.pollmode(); |
| 274 |
} |
}, |
| 275 |
|
|
| 276 |
Meteor.prototype.updatepollfreq = function() { |
extract_xss_domain: function(old_domain) { |
| 277 |
if (this.smartpoll) { |
if (old_domain.match(/^(\d{1,3}\.){3}\d{1,3}$/)) return old_domain; |
| 278 |
var now = new Date(); |
domain_pieces = old_domain.split('.'); |
| 279 |
var t = now.getTime(); |
return domain_pieces.slice(-2, domain_pieces.length).join("."); |
| 280 |
var avg = 0; |
}, |
| 281 |
for (var i=1; i<this.recvtimes.length; i++) { |
|
| 282 |
var x = (this.recvtimes[i]-this.recvtimes[i-1]); |
setstatus: function(newstatus) { |
| 283 |
avg += (x>60000)? 60000 : x; |
// Statuses: 0 = Uninitialised, |
| 284 |
} |
// 1 = Loading stream, |
| 285 |
x = (t-this.recvtimes[this.recvtimes.length-1]); |
// 2 = Loading controller frame, |
| 286 |
avg += (x>180000)? 180000 : x; |
// 3 = Controller frame timeout, retrying. |
| 287 |
avg /= this.recvtimes.length; |
// 4 = Controller frame loaded and ready |
| 288 |
if ((avg/3) < this.pollfreq && (avg/3) >= this.minpollfreq) this.pollfreq = Math.ceil(this.pollfreq*0.9); |
// 5 = Receiving data |
| 289 |
if ((avg/3) > this.pollfreq) this.pollfreq = Math.floor(this.pollfreq*1.05); |
// 6 = End of stream, will not reconnect |
| 290 |
} |
|
| 291 |
} |
if (Meteor.status != newstatus) { |
| 292 |
|
Meteor.status = newstatus; |
| 293 |
Meteor.prototype.registerEventCallback = function(evt, funcRef) { |
Meteor.callbacks["statuschanged"](newstatus); |
| 294 |
if (evt=="process") { |
} |
| 295 |
this.callback_process = (this.callback_process).andThen(funcRef); |
}, |
| 296 |
} else if (evt=="reset") { |
|
| 297 |
this.callback_reset = (this.callback_reset).andThen(funcRef); |
log: function(logstr) { |
| 298 |
} else if (evt=="eof") { |
if (Meteor.debugmode) { |
| 299 |
this.callback_eof = (this.callback_eof).andThen(funcRef); |
if (window.console) { |
| 300 |
} else if (evt=="changemode") { |
window.console.log(logstr); |
| 301 |
this.callback_changemode = (this.callback_changemode).andThen(funcRef); |
} else if (document.getElementById("meteorlogoutput")) { |
| 302 |
} else if (evt=="changestatus") { |
document.getElementById("meteorlogoutput").innerHTML += logstr+"<br/>"; |
| 303 |
this.callback_statuschanged = (this.callback_statuschanged).andThen(funcRef); |
} |
| 304 |
} |
} |
| 305 |
} |
}, |
| 306 |
|
|
| 307 |
Meteor.prototype.frameloadtimeout = function() { |
poll: function() { |
| 308 |
if (this.debugmode) console.log("Frame load timeout"); |
Meteor.pollaborted = 0; |
| 309 |
if (this.frameloadtimer) clearTimeout(this.frameloadtimer); |
try { |
| 310 |
this.setstatus(3); |
clearTimeout(Meteor.polltimer); |
| 311 |
setTimeout(this.start.bind(this), 5000); |
} catch (e) {}; |
| 312 |
} |
Meteor.lastrequest = Meteor.time(); |
| 313 |
Meteor.prototype.setstatus = function(newstatus) { |
if (Meteor.polltimeout) Meteor.polltimer = setTimeout(Meteor.clearpoll, Meteor.polltimeout); |
| 314 |
if (this.status != newstatus) { |
var scripttag = document.createElement("SCRIPT"); |
| 315 |
this.status = newstatus; |
scripttag.type = "text/javascript"; |
| 316 |
this.callback_statuschanged(newstatus); |
scripttag.src = Meteor.getSubsUrl(); |
| 317 |
} |
scripttag.id = "meteorpoll"+(++Meteor.pollnum); |
| 318 |
} |
scripttag.className = "meteorpoll"; |
| 319 |
|
document.getElementsByTagName("HEAD")[0].appendChild(scripttag); |
| 320 |
|
}, |
| 321 |
Meteor.createCookie = function(name,value,days) { |
|
| 322 |
if (days) { |
clearpoll: function() { |
| 323 |
var date = new Date(); |
if (document.getElementById('meteorpoll'+Meteor.pollnum)) { |
| 324 |
date.setTime(date.getTime()+(days*24*60*60*1000)); |
var s = document.getElementById('meteorpoll'+Meteor.pollnum); |
| 325 |
var expires = "; expires="+date.toGMTString(); |
s.parentNode.removeChild(s); |
| 326 |
} |
} |
| 327 |
else var expires = ""; |
if (Meteor.status == 5) { |
| 328 |
document.cookie = name+"="+value+expires+"; path=/"; |
var x = parent.Meteor.pollfreq - (Meteor.time()-Meteor.lastrequest); |
| 329 |
} |
if (x < 10) x = 10; |
| 330 |
|
setTimeout(Meteor.poll, x); |
| 331 |
Meteor.readCookie = function(name) { |
} |
| 332 |
var nameEQ = name + "="; |
}, |
| 333 |
var ca = document.cookie.split(';'); |
|
| 334 |
for(var i=0;i < ca.length;i++) { |
time: function() { |
| 335 |
var c = ca[i]; |
var now = new Date(); |
| 336 |
while (c.charAt(0)==' ') c = c.substring(1,c.length); |
return now.getTime(); |
| 337 |
if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length); |
} |
| 338 |
} |
} |
| 339 |
return null; |
|
| 340 |
} |
var oldonunload = window.onunload; |
| 341 |
|
if (typeof window.onunload != 'function') { |
| 342 |
Meteor.eraseCookie = function(name) { |
window.onunload = Meteor.disconnect; |
| 343 |
createCookie(name,"",-1); |
} else { |
| 344 |
} |
window.onunload = function() { |
| 345 |
|
if (oldonunload) oldonunload(); |
| 346 |
|
Meteor.disconnect(); |
| 347 |
|
} |
| 348 |
|
} |
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