27 |
pingtimer: null, |
pingtimer: null, |
28 |
pollfreq: 3000, |
pollfreq: 3000, |
29 |
port: 80, |
port: 80, |
30 |
|
pollaborted: false, |
31 |
|
pollhost: null, |
32 |
|
pollnum: 0, |
33 |
polltimeout: 30000, |
polltimeout: 30000, |
34 |
|
polltimer: null, |
35 |
recvtimes: [], |
recvtimes: [], |
36 |
|
lastrequest: null, |
37 |
status: 0, |
status: 0, |
38 |
updatepollfreqtimer: null, |
updatepollfreqtimer: null, |
39 |
|
|
40 |
|
isSupportedBrowser: function() { |
41 |
|
var v; |
42 |
|
if (v = navigator.userAgent.match(/compatible\; MSIE\ ([0-9\.]+)\;/i)) { |
43 |
|
if (parseFloat(v[1]) <= 5.5) return false; |
44 |
|
} else if (v = navigator.userAgent.match(/Gecko\/([0-9]+)/i)) { |
45 |
|
if (parseInt(v[1]) <= 20051015) return false; |
46 |
|
} else if (v = navigator.userAgent.match(/WebKit\/([0-9\.]+)/i)) { |
47 |
|
if (parseFloat(v[1]) < 400) return false; |
48 |
|
} |
49 |
|
return true; |
50 |
|
}, |
51 |
|
|
52 |
register: function(ifr) { |
register: function(ifr) { |
53 |
ifr.p = Meteor.process; |
ifr.p = Meteor.process; |
54 |
ifr.r = Meteor.reset; |
ifr.r = Meteor.reset; |
64 |
Meteor.channels[channelname] = {backtrack:backtrack}; |
Meteor.channels[channelname] = {backtrack:backtrack}; |
65 |
Meteor.log("Joined channel "+channelname); |
Meteor.log("Joined channel "+channelname); |
66 |
Meteor.channelcount++; |
Meteor.channelcount++; |
67 |
if (Meteor.status != 0) Meteor.connect(); |
if (Meteor.status != 0 && Meteor.status != 6) Meteor.connect(); |
68 |
}, |
}, |
69 |
|
|
70 |
leaveChannel: function(channelname) { |
leaveChannel: function(channelname) { |
72 |
delete Meteor.channels[channelname]; |
delete Meteor.channels[channelname]; |
73 |
Meteor.log("Left channel "+channelname); |
Meteor.log("Left channel "+channelname); |
74 |
Meteor.channelcount--; |
Meteor.channelcount--; |
75 |
if (Meteor.channelcount && Meteor.status != 0) Meteor.connect(); |
if (Meteor.channelcount && Meteor.status != 0 && Meteor.status != 6) Meteor.connect(); |
76 |
else Meteor.disconnect(); |
else Meteor.disconnect(); |
77 |
}, |
}, |
78 |
|
|
83 |
if (!Meteor.channelcount) throw "No channels specified"; |
if (!Meteor.channelcount) throw "No channels specified"; |
84 |
if (Meteor.status) Meteor.disconnect(); |
if (Meteor.status) Meteor.disconnect(); |
85 |
Meteor.setstatus(1); |
Meteor.setstatus(1); |
86 |
var now = new Date(); |
if (!Meteor.hostid) Meteor.hostid = Meteor.time()+""+Math.floor(Math.random()*1000000) |
|
var t = now.getTime(); |
|
|
if (!Meteor.hostid) Meteor.hostid = t+""+Math.floor(Math.random()*1000000) |
|
87 |
document.domain = Meteor.extract_xss_domain(document.domain); |
document.domain = Meteor.extract_xss_domain(document.domain); |
88 |
if (Meteor.mode=="stream") Meteor.mode = Meteor.selectStreamTransport(); |
if (Meteor.mode=="stream") Meteor.mode = Meteor.selectStreamTransport(); |
89 |
Meteor.log("Selected "+Meteor.mode+" transport"); |
Meteor.log("Selected "+Meteor.mode+" transport"); |
97 |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
98 |
|
|
99 |
} else { |
} else { |
100 |
Meteor.loadFrame("http://"+Meteor.host+((Meteor.port==80)?"":":"+Meteor.port)+"/poll.html"); |
Meteor.recvtimes[0] = Meteor.time(); |
|
Meteor.recvtimes[0] = t; |
|
101 |
if (Meteor.updatepollfreqtimer) clearTimeout(Meteor.updatepollfreqtimer); |
if (Meteor.updatepollfreqtimer) clearTimeout(Meteor.updatepollfreqtimer); |
102 |
if (Meteor.mode=='smartpoll') Meteor.updatepollfreqtimer = setInterval(Meteor.updatepollfreq, 2500); |
if (Meteor.mode=='smartpoll') Meteor.updatepollfreqtimer = setInterval(Meteor.updatepollfreq, 10000); |
103 |
if (Meteor.mode=='longpoll') Meteor.pollfreq = Meteor.minpollfreq; |
if (Meteor.mode=='longpoll') Meteor.pollfreq = Meteor.minpollfreq; |
104 |
|
Meteor.poll(); |
105 |
} |
} |
|
Meteor.lastrequest = t; |
|
106 |
}, |
}, |
107 |
|
|
108 |
disconnect: function() { |
disconnect: function() { |
112 |
clearTimeout(Meteor.frameloadtimer); |
clearTimeout(Meteor.frameloadtimer); |
113 |
if (typeof CollectGarbage == 'function') CollectGarbage(); |
if (typeof CollectGarbage == 'function') CollectGarbage(); |
114 |
if (Meteor.status != 6) Meteor.setstatus(0); |
if (Meteor.status != 6) Meteor.setstatus(0); |
|
try { |
|
|
Meteor.frameref.open(); |
|
|
Meteor.frameref.close(); |
|
|
} catch (e) { |
|
|
Meteor.frameref.parentNode.removeChild(Meteor.frameref); |
|
|
} |
|
|
delete Meteor.frameref; |
|
115 |
Meteor.log("Disconnected"); |
Meteor.log("Disconnected"); |
116 |
|
try { Meteor.frameref.parentNode.removeChild(Meteor.frameref); delete Meteor.frameref; return true; } catch(e) { } |
117 |
|
try { Meteor.frameref.open(); Meteor.frameref.close(); return true; } catch(e) {} |
118 |
} |
} |
119 |
}, |
}, |
120 |
|
|
128 |
}, |
}, |
129 |
|
|
130 |
getSubsUrl: function() { |
getSubsUrl: function() { |
131 |
var surl = "http://" + Meteor.host + ((Meteor.port==80)?"":":"+Meteor.port) + "/push/" + Meteor.hostid + "/" + Meteor.mode; |
var host = ((Meteor.mode=='simplepoll' || Meteor.mode=='smartpoll' || Meteor.mode=='longpoll') && Meteor.pollhost) ? Meteor.pollhost : Meteor.host; |
132 |
|
var surl = "http://" + host + ((Meteor.port==80)?"":":"+Meteor.port) + "/push/" + Meteor.hostid + "/" + Meteor.mode; |
133 |
for (var c in Meteor.channels) { |
for (var c in Meteor.channels) { |
134 |
surl += "/"+c; |
surl += "/"+c; |
135 |
if (typeof Meteor.channels[c].lastmsgreceived != 'undefined' && Meteor.channels[c].lastmsgreceived >= 0) { |
if (typeof Meteor.channels[c].lastmsgreceived != 'undefined') { |
136 |
surl += ".r"+(Meteor.channels[c].lastmsgreceived+1); |
surl += ".r"+(Meteor.channels[c].lastmsgreceived+1); |
137 |
} else if (Meteor.channels[c].backtrack > 0) { |
} else if (Meteor.channels[c].backtrack > 0) { |
138 |
surl += ".b"+Meteor.channels[c].backtrack; |
surl += ".b"+Meteor.channels[c].backtrack; |
140 |
surl += ".h"; |
surl += ".h"; |
141 |
} |
} |
142 |
} |
} |
143 |
var now = new Date(); |
surl += "?nc="+Meteor.time(); |
|
surl += "?nc="+now.getTime(); |
|
144 |
return surl; |
return surl; |
145 |
}, |
}, |
146 |
|
|
181 |
|
|
182 |
pollmode: function() { |
pollmode: function() { |
183 |
Meteor.log("Ping timeout"); |
Meteor.log("Ping timeout"); |
184 |
Meteor.mode="smartpoll"; |
if (Meteor.mode != "smartpoll") { |
185 |
clearTimeout(Meteor.pingtimer); |
Meteor.mode="smartpoll"; |
186 |
Meteor.callbacks["changemode"]("poll"); |
Meteor.callbacks["changemode"]("poll"); |
187 |
Meteor.lastpingtime = false; |
clearTimeout(Meteor.pingtimer); |
188 |
|
Meteor.lastpingtime = false; |
189 |
|
} |
190 |
Meteor.connect(); |
Meteor.connect(); |
191 |
}, |
}, |
192 |
|
|
199 |
Meteor.callbacks["process"](data); |
Meteor.callbacks["process"](data); |
200 |
Meteor.channels[channel].lastmsgreceived = id; |
Meteor.channels[channel].lastmsgreceived = id; |
201 |
if (Meteor.mode=="smartpoll") { |
if (Meteor.mode=="smartpoll") { |
202 |
var now = new Date(); |
Meteor.recvtimes[Meteor.recvtimes.length] = Meteor.time(); |
|
Meteor.recvtimes[Meteor.recvtimes.length] = now.getTime(); |
|
203 |
while (Meteor.recvtimes.length > 5) Meteor.recvtimes.shift(); |
while (Meteor.recvtimes.length > 5) Meteor.recvtimes.shift(); |
204 |
} |
} |
205 |
} |
} |
210 |
if (Meteor.pingtimer) { |
if (Meteor.pingtimer) { |
211 |
clearTimeout(Meteor.pingtimer); |
clearTimeout(Meteor.pingtimer); |
212 |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout); |
213 |
var now = new Date(); |
Meteor.lastpingtime = Meteor.time(); |
|
Meteor.lastpingtime = now.getTime(); |
|
214 |
} |
} |
215 |
Meteor.setstatus(5); |
Meteor.setstatus(5); |
216 |
}, |
}, |
217 |
|
|
218 |
reset: function() { |
reset: function() { |
219 |
if (Meteor.status != 6) { |
if (Meteor.status != 6 && Meteor.status != 0) { |
220 |
Meteor.log("Stream reset"); |
Meteor.log("Stream reset"); |
221 |
Meteor.ping(); |
Meteor.ping(); |
222 |
Meteor.callbacks["reset"](); |
Meteor.callbacks["reset"](); |
223 |
var now = new Date(); |
var x = Meteor.pollfreq - (Meteor.time()-Meteor.lastrequest); |
|
var t = now.getTime(); |
|
|
var x = Meteor.pollfreq - (t-Meteor.lastrequest); |
|
224 |
if (x < 10) x = 10; |
if (x < 10) x = 10; |
225 |
setTimeout(Meteor.connect, x); |
setTimeout(Meteor.connect, x); |
226 |
} |
} |
239 |
}, |
}, |
240 |
|
|
241 |
updatepollfreq: function() { |
updatepollfreq: function() { |
|
var now = new Date(); |
|
|
var t = now.getTime(); |
|
242 |
var avg = 0; |
var avg = 0; |
243 |
for (var i=1; i<Meteor.recvtimes.length; i++) { |
for (var i=1; i<Meteor.recvtimes.length; i++) { |
244 |
avg += (Meteor.recvtimes[i]-Meteor.recvtimes[i-1]); |
avg += (Meteor.recvtimes[i]-Meteor.recvtimes[i-1]); |
245 |
} |
} |
246 |
avg += (t-Meteor.recvtimes[Meteor.recvtimes.length-1]); |
avg += (Meteor.time()-Meteor.recvtimes[Meteor.recvtimes.length-1]); |
247 |
avg /= Meteor.recvtimes.length; |
avg /= Meteor.recvtimes.length; |
248 |
var target = avg/2; |
var target = avg/2; |
249 |
if (target < Meteor.pollfreq && Meteor.pollfreq > Meteor.minpollfreq) Meteor.pollfreq = Math.ceil(Meteor.pollfreq*0.9); |
if (target < Meteor.pollfreq && Meteor.pollfreq > Meteor.minpollfreq) Meteor.pollfreq = Math.ceil(Meteor.pollfreq*0.9); |
301 |
document.getElementById("meteorlogoutput").innerHTML += logstr+"<br/>"; |
document.getElementById("meteorlogoutput").innerHTML += logstr+"<br/>"; |
302 |
} |
} |
303 |
} |
} |
304 |
|
}, |
305 |
|
|
306 |
|
poll: function() { |
307 |
|
Meteor.pollaborted = 0; |
308 |
|
try { |
309 |
|
clearTimeout(Meteor.polltimer); |
310 |
|
} catch (e) {}; |
311 |
|
Meteor.lastrequest = Meteor.time(); |
312 |
|
if (Meteor.polltimeout) Meteor.polltimer = setTimeout(Meteor.clearpoll, Meteor.polltimeout); |
313 |
|
var scripttag = document.createElement("SCRIPT"); |
314 |
|
scripttag.type = "text/javascript"; |
315 |
|
scripttag.src = Meteor.getSubsUrl(); |
316 |
|
scripttag.id = "meteorpoll"+(++Meteor.pollnum); |
317 |
|
scripttag.className = "meteorpoll"; |
318 |
|
document.getElementsByTagName("HEAD")[0].appendChild(scripttag); |
319 |
|
}, |
320 |
|
|
321 |
|
clearpoll: function() { |
322 |
|
var s = document.getElementById('meteorpoll'+Meteor.pollnum); |
323 |
|
if (typeof s != 'undefined') s.parentNode.removeChild(s); |
324 |
|
if (Meteor.status) { |
325 |
|
var x = parent.Meteor.pollfreq - (Meteor.time()-Meteor.lastrequest); |
326 |
|
if (x < 10) x = 10; |
327 |
|
setTimeout(Meteor.poll, x); |
328 |
|
} |
329 |
|
}, |
330 |
|
|
331 |
|
time: function() { |
332 |
|
var now = new Date(); |
333 |
|
return now.getTime(); |
334 |
} |
} |
335 |
} |
} |
336 |
|
|