30 |
this.callback_reset = function() {}; |
this.callback_reset = function() {}; |
31 |
this.callback_eof = function() {}; |
this.callback_eof = function() {}; |
32 |
this.callback_changemode = function() {}; |
this.callback_changemode = function() {}; |
33 |
|
this.callback_statuschanged = function() {}; |
34 |
this.persist = true; |
this.persist = true; |
35 |
|
this.frameloadtimer = false; |
36 |
|
this.frameurl = false; |
37 |
|
this.debugmode = false; |
38 |
|
|
39 |
// Documented public properties |
// Documented public properties |
40 |
this.channel = false; |
this.channel = false; |
44 |
this.smartpoll = true; |
this.smartpoll = true; |
45 |
this.pollfreq = 2000; |
this.pollfreq = 2000; |
46 |
this.minpollfreq = 2000; |
this.minpollfreq = 2000; |
47 |
this.mode = "stream"; |
this.mode = "poll"; |
48 |
this.polltimeout=30000; |
this.polltimeout=30000; |
49 |
this.maxmessages=0; |
this.maxmessages=0; |
50 |
this.pingtimeout = 10000; |
this.pingtimeout = 10000; |
51 |
|
this.status = 0; |
52 |
|
|
53 |
|
/* Statuses: 0 = Uninitialised, |
54 |
|
1 = Loading stream, |
55 |
|
2 = Loading controller frame, |
56 |
|
3 = Controller frame timeout, retrying. |
57 |
|
4 = Controller frame loaded and ready |
58 |
|
5 = Receiving data |
59 |
|
*/ |
60 |
|
|
|
// Set or retrieve host id. Cookie takes this form: |
|
|
// MeteorID=123:6356353/124:098320454; |
|
|
var MeteIds = Meteor.readCookie("MeteorID"); |
|
|
var regex1 = new RegExp("^([0-9\:\/M]+\/)*"+instID+"\:([^\/]+)(\/[0-9\:\/M]+)*$"); |
|
|
var regex2 = new RegExp("^([0-9\:\/M]+\/)*M\:([^\/]+)(\/[0-9\:\/M]+)*$"); |
|
|
if (typeof(instID) == "Number" && regex1.exec(MeteIds)) { |
|
|
this.MHostId = ma[2]; |
|
|
} else if (typeof(instID) == "Number") { |
|
|
this.MHostId = Math.floor(Math.random()*1000000); |
|
|
var newcookie = (MeteIds)?MeteIds+"/":""; |
|
|
newcookie += instID+":"+this.MHostId; |
|
|
Meteor.createCookie("MeteorID", newcookie); |
|
|
} else if (ma = regex2.exec(MeteIds)) { |
|
|
this.MHostId = ma[2]; |
|
|
} else { |
|
|
this.MHostId = Math.floor(Math.random()*1000000); |
|
|
var newcookie = (MeteIds)?MeteIds+"/":""; |
|
|
newcookie += "M:"+this.MHostId; |
|
|
Meteor.createCookie("MeteorID", newcookie); |
|
|
} |
|
61 |
this.instID = (typeof(instID) != "undefined") ? instID : 0; |
this.instID = (typeof(instID) != "undefined") ? instID : 0; |
62 |
|
this.MHostId = Math.floor(Math.random()*100000000)+""+this.instID; |
63 |
} |
} |
64 |
|
|
65 |
Meteor.instances = new Array(); |
Meteor.instances = new Array(); |
|
Meteor.servertimeoffset = 0; |
|
66 |
|
|
67 |
Meteor.create = function(instID) { |
Meteor.create = function(instID) { |
68 |
if (!instID) instID = 0; |
if (!instID) instID = Meteor.instances.length; |
69 |
Meteor.instances[instID] = new Meteor(instID); |
Meteor.instances[instID] = new Meteor(instID); |
70 |
return Meteor.instances[instID]; |
return Meteor.instances[instID]; |
71 |
} |
} |
72 |
|
|
73 |
Meteor.register = function(ifr) { |
Meteor.register = function(ifr) { |
74 |
instid = new String(ifr.window.frameElement.id); |
instid = new String(ifr.window.frameElement.id); |
75 |
instid = instid.replace("meteorframe_", ""); |
instid = instid.replace(/.*_([0-9]*)$/, "$1"); |
76 |
ifr.p = this.instances[instid].process.bind(this.instances[instid]); |
ifr.p = this.instances[instid].process.bind(this.instances[instid]); |
77 |
ifr.r = this.instances[instid].reset.bind(this.instances[instid]); |
ifr.r = this.instances[instid].reset.bind(this.instances[instid]); |
78 |
ifr.eof = this.instances[instid].eof.bind(this.instances[instid]); |
ifr.eof = this.instances[instid].eof.bind(this.instances[instid]); |
79 |
ifr.get = this.instances[instid].get.bind(this.instances[instid]); |
ifr.get = this.instances[instid].get.bind(this.instances[instid]); |
80 |
ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]); |
ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]); |
81 |
} |
clearTimeout(this.instances[instid].frameloadtimer); |
82 |
|
this.instances[instid].setstatus(4); |
83 |
Meteor.setServerTime = function(timestamp) { |
if (this.debugmode) console.log("Frame registered"); |
|
var now = new Date(); |
|
|
var clienttime = (now.getTime() / 1000); |
|
|
Meteor.servertimeoffset = timestamp - clienttime; |
|
84 |
} |
} |
85 |
|
|
86 |
Meteor.prototype.start = function() { |
Meteor.prototype.start = function() { |
88 |
this.smartpoll = (this.smartpoll)?1:0; |
this.smartpoll = (this.smartpoll)?1:0; |
89 |
this.mode = (this.mode=="stream")?"stream":"poll"; |
this.mode = (this.mode=="stream")?"stream":"poll"; |
90 |
if (!this.subdomain || !this.channel) throw "Channel or Meteor subdomain host not specified"; |
if (!this.subdomain || !this.channel) throw "Channel or Meteor subdomain host not specified"; |
91 |
|
this.stop(); |
92 |
var now = new Date(); |
var now = new Date(); |
93 |
var t = now.getTime(); |
var t = now.getTime(); |
94 |
if (typeof(this.transferDoc)=="object") { |
this.setstatus(1); |
|
this.transferDoc.open(); |
|
|
this.transferDoc.close(); |
|
|
delete this.transferDoc; |
|
|
} |
|
|
if (document.getElementById("meteorframe_"+this.instID)) { |
|
|
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
|
|
} |
|
95 |
if (this.mode=="stream") { |
if (this.mode=="stream") { |
96 |
if (document.all) { |
var surl = "http://"+this.subdomain+"."+location.hostname+"/"+this.dynamicpageaddress+"?channel="+this.channel+"&id="+this.MHostId; |
97 |
this.transferDoc = new ActiveXObject("htmlfile"); |
if (this.lastmsgreceived >= 0) { |
98 |
this.transferDoc.open(); |
surl += "&restartfrom="+this.lastmsgreceived; |
99 |
this.transferDoc.write("<html>"); |
} else if (this.backtrack > 0) { |
100 |
this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>"); |
surl += "&backtrack="+this.backtrack; |
101 |
this.transferDoc.write("</html>"); |
} else if (this.backtrack < 0 || isNaN(this.backtrack)) { |
102 |
var selfref = this; |
surl += "&restartfrom="; |
|
this.transferDoc.parentWindow.Meteor = Meteor; |
|
|
this.transferDoc.close(); |
|
|
var ifrDiv = this.transferDoc.createElement("div"); |
|
|
this.transferDoc.appendChild(ifrDiv); |
|
|
var url = "http://"+this.subdomain+"."+location.hostname+"/"+this.dynamicpageaddress+"?channel="+this.channel+"&id="+this.MHostId; |
|
|
if (this.lastmsgreceived >= 0) { |
|
|
url += "&restartfrom="+this.lastmsgreceived; |
|
|
} else if (this.backtrack > 0) { |
|
|
url += "&backtrack="+this.backtrack; |
|
|
} else if (this.backtrack < 0 || isNaN(this.backtrack)) { |
|
|
url += "&restartfrom="; |
|
|
} |
|
|
ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"&nocache="+t+"\" style=\"display: none;\"></iframe>"; |
|
|
} else { |
|
|
var ifr = document.createElement("IFRAME"); |
|
|
ifr.style.width = "10px"; |
|
|
ifr.style.height = "10px"; |
|
|
ifr.style.border = "none"; |
|
|
ifr.style.position = "absolute"; |
|
|
ifr.style.top = "-10px"; |
|
|
ifr.style.marginTop = "-10px"; |
|
|
ifr.style.zIndex = "-20"; |
|
|
ifr.id = "meteorframe_"+this.instID; |
|
|
document.body.appendChild(ifr); |
|
|
ifr.src = "http://"+this.subdomain+"."+location.hostname+"/stream.html?nocache="+t; |
|
103 |
} |
} |
104 |
|
this.createIframe(surl); |
105 |
var f = this.pollmode.bind(this); |
var f = this.pollmode.bind(this); |
106 |
clearTimeout(this.pingtimer); |
clearTimeout(this.pingtimer); |
107 |
this.pingtimer = setTimeout(f, this.pingtimeout); |
this.pingtimer = setTimeout(f, this.pingtimeout); |
108 |
|
|
109 |
} else { |
} else { |
110 |
|
this.createIframe("http://"+this.subdomain+"."+location.hostname+"/poll.html"); |
111 |
|
this.recvtimes[0] = t; |
112 |
|
if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer); |
113 |
|
this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500); |
114 |
|
} |
115 |
|
this.lastrequest = t; |
116 |
|
} |
117 |
|
|
118 |
|
Meteor.prototype.createIframe = function(url) { |
119 |
|
if (document.all) { |
120 |
|
this.transferDoc = new ActiveXObject("htmlfile"); |
121 |
|
this.transferDoc.open(); |
122 |
|
this.transferDoc.write("<html>"); |
123 |
|
this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>"); |
124 |
|
this.transferDoc.write("</html>"); |
125 |
|
var selfref = this; |
126 |
|
this.transferDoc.parentWindow.Meteor = Meteor; |
127 |
|
this.transferDoc.close(); |
128 |
|
var ifrDiv = this.transferDoc.createElement("div"); |
129 |
|
this.transferDoc.appendChild(ifrDiv); |
130 |
|
ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"\" style=\"display: none;\"></iframe>"; |
131 |
|
} else { |
132 |
var ifr = document.createElement("IFRAME"); |
var ifr = document.createElement("IFRAME"); |
133 |
ifr.style.width = "10px"; |
ifr.style.width = "10px"; |
134 |
ifr.style.height = "10px"; |
ifr.style.height = "10px"; |
135 |
ifr.style.border = "none"; |
ifr.style.border = "none"; |
136 |
if (document.all) { |
ifr.style.position = "absolute"; |
137 |
ifr.style.display = "none"; |
ifr.style.top = "-10px"; |
138 |
} else { |
ifr.style.marginTop = "-10px"; |
139 |
ifr.style.position = "absolute"; |
ifr.style.zIndex = "-20"; |
140 |
ifr.style.marginTop = "-10px"; |
ifr.setAttribute("id", "meteorframe_"+this.instID); |
141 |
ifr.style.zIndex = "-20"; |
ifr.Meteor = Meteor; |
142 |
} |
var innerifr = document.createElement("IFRAME"); |
143 |
ifr.id = "meteorframe_"+this.instID; |
innerifr.setAttribute("src", url); |
144 |
|
innerifr.setAttribute("id", "meteorinnerframe_"+this.instID); |
145 |
|
ifr.appendChild(innerifr); |
146 |
document.body.appendChild(ifr); |
document.body.appendChild(ifr); |
|
ifr.src = "http://"+this.subdomain+"."+location.hostname+"/poll.html?nocache="+t; |
|
|
this.recvtimes[0] = t; |
|
|
if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer); |
|
|
this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500); |
|
147 |
} |
} |
148 |
this.lastrequest = t; |
if (this.debugmode) console.log("Loading URL '"+url+"' into frame..."); |
149 |
|
var f = this.frameloadtimeout.bind(this); |
150 |
|
this.frameloadtimer = setTimeout(f, 5000); |
151 |
|
} |
152 |
|
|
153 |
|
Meteor.prototype.stop = function() { |
154 |
|
if (typeof(this.transferDoc)=="object") { |
155 |
|
this.transferDoc = false; |
156 |
|
} |
157 |
|
if (document.getElementById("meteorframe_"+this.instID)) { |
158 |
|
document.getElementById("meteorframe_"+this.instID).src="about:blank"; |
159 |
|
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
160 |
|
} |
161 |
|
if (!isNaN(this.pingtimer)) clearTimeout(this.pingtimer); |
162 |
|
if (!isNaN(this.updatepollfreqtimer)) clearTimeout(this.updatepollfreqtimer); |
163 |
|
if (!isNaN(this.frameloadtimer)) clearTimeout(this.frameloadtimer); |
164 |
|
this.setstatus(0); |
165 |
} |
} |
166 |
|
|
167 |
Meteor.prototype.pollmode = function() { |
Meteor.prototype.pollmode = function() { |
168 |
|
if (this.debugmode) console.log("Ping timeout"); |
169 |
|
this.stop(); |
170 |
this.mode="poll"; |
this.mode="poll"; |
171 |
this.start(); |
this.start(); |
172 |
this.callback_changemode("poll"); |
this.callback_changemode("poll"); |
173 |
|
this.lastpingtime = false; |
174 |
} |
} |
175 |
|
|
176 |
Meteor.prototype.process = function(id, data) { |
Meteor.prototype.process = function(id, data, timestamp) { |
177 |
if (id > this.lastmsgreceived) { |
if (id > this.lastmsgreceived) { |
178 |
this.callback_process(data); |
this.callback_process(data, timestamp); |
179 |
if (id != -1) this.lastmsgreceived = id; |
if (id != -1) this.lastmsgreceived = id; |
180 |
if (this.mode=="poll") { |
if (this.mode=="poll") { |
181 |
var now = new Date(); |
var now = new Date(); |
186 |
} else if (id == -1) { |
} else if (id == -1) { |
187 |
this.ping(); |
this.ping(); |
188 |
} |
} |
189 |
|
this.setstatus(5); |
190 |
} |
} |
191 |
|
|
192 |
Meteor.prototype.ping = function() { |
Meteor.prototype.ping = function() { |
197 |
var now = new Date(); |
var now = new Date(); |
198 |
this.lastpingtime = now.getTime(); |
this.lastpingtime = now.getTime(); |
199 |
} |
} |
200 |
|
this.setstatus(5); |
201 |
} |
} |
202 |
|
|
203 |
Meteor.prototype.reset = function() { |
Meteor.prototype.reset = function() { |
204 |
|
if (this.debugmode) console.log("Stream reset"); |
205 |
var now = new Date(); |
var now = new Date(); |
206 |
var t = now.getTime(); |
var t = now.getTime(); |
207 |
var x = this.pollfreq - (t-this.lastrequest); |
var x = this.pollfreq - (t-this.lastrequest); |
251 |
this.callback_eof = (this.callback_eof).andThen(funcRef); |
this.callback_eof = (this.callback_eof).andThen(funcRef); |
252 |
} else if (evt=="changemode") { |
} else if (evt=="changemode") { |
253 |
this.callback_changemode = (this.callback_changemode).andThen(funcRef); |
this.callback_changemode = (this.callback_changemode).andThen(funcRef); |
254 |
|
} else if (evt=="changestatus") { |
255 |
|
this.callback_statuschanged = (this.callback_statuschanged).andThen(funcRef); |
256 |
} |
} |
257 |
} |
} |
258 |
|
|
259 |
|
Meteor.prototype.frameloadtimeout = function() { |
260 |
|
if (this.debugmode) console.log("Frame load timeout"); |
261 |
|
if (this.frameloadtimer) clearTimeout(this.frameloadtimer); |
262 |
|
this.setstatus(3); |
263 |
|
setTimeout(this.start.bind(this), 5000); |
264 |
|
} |
265 |
|
Meteor.prototype.setstatus = function(newstatus) { |
266 |
|
if (this.status != newstatus) { |
267 |
|
this.status = newstatus; |
268 |
|
this.callback_statuschanged(newstatus); |
269 |
|
} |
270 |
|
} |
271 |
|
|
272 |
Meteor.createCookie = function(name,value,days) { |
Meteor.createCookie = function(name,value,days) { |
273 |
if (days) { |
if (days) { |