16 |
f(a);g(args); |
f(a);g(args); |
17 |
} |
} |
18 |
}; |
}; |
|
function addUnLoadEvent(func) { |
|
|
var oldonunload = window.onunload; |
|
|
if (typeof window.onunload != 'function') { |
|
|
window.onunload = func; |
|
|
} else { |
|
|
window.onunload = function() { |
|
|
if (oldonunload) { |
|
|
oldonunload(); |
|
|
} |
|
|
func(); |
|
|
} |
|
|
} |
|
|
} |
|
|
//addUnLoadEvent(meteordestroy); |
|
|
function meteordestroy() { |
|
|
var x = Meteor.instances.length; |
|
|
for(var i=0; i<x; i++) { |
|
|
Meteor.instances[i].stop(); |
|
|
delete Meteor.instances[i]; |
|
|
} |
|
|
} |
|
19 |
|
|
20 |
function Meteor(instID) { |
function Meteor(instID) { |
21 |
|
|
|
this.lastmsgreceived = -1; |
|
22 |
this.transferDoc = false; |
this.transferDoc = false; |
23 |
this.pingtimer = false; |
this.pingtimer = false; |
24 |
this.updatepollfreqtimer = false; |
this.updatepollfreqtimer = false; |
25 |
this.lastrequest = 0; |
this.lastrequest = 0; |
26 |
this.recvtimes = new Array(); |
this.recvtimes = []; |
27 |
this.MHostId = false; |
this.MHostId = false; |
28 |
this.callback_process = function() {}; |
this.callback_process = function() {}; |
29 |
this.callback_reset = function() {}; |
this.callback_reset = function() {}; |
30 |
this.callback_eof = function() {}; |
this.callback_eof = function() {}; |
31 |
this.callback_changemode = function() {}; |
this.callback_changemode = function() {}; |
32 |
this.callback_statuschanged = function() {}; |
this.callback_statuschanged = function() {}; |
33 |
this.persist = true; |
this.persist = 1; |
34 |
this.frameloadtimer = false; |
this.frameloadtimer = false; |
35 |
this.frameurl = false; |
this.debugmode = false; |
36 |
|
this.subsurl = false; |
37 |
|
this.channels = {}; |
38 |
|
this.channelcount = 0; |
39 |
|
this.streamreq = false; |
40 |
|
this.byteoffset = 0; |
41 |
|
|
42 |
// Documented public properties |
// Documented public properties |
|
this.channel = false; |
|
43 |
this.subdomain = "data"; |
this.subdomain = "data"; |
44 |
this.dynamicpageaddress = "push"; |
this.dynamicpageaddress = "push"; |
45 |
this.backtrack = 0; |
this.smartpoll = 1; |
|
this.smartpoll = true; |
|
46 |
this.pollfreq = 2000; |
this.pollfreq = 2000; |
47 |
this.minpollfreq = 2000; |
this.minpollfreq = 2000; |
48 |
this.mode = "stream"; |
this.mode = "stream"; |
49 |
this.polltimeout=30000; |
this.polltimeout = 30000; |
|
this.maxmessages=0; |
|
50 |
this.pingtimeout = 10000; |
this.pingtimeout = 10000; |
51 |
|
this.maxmessages = 0; |
52 |
this.status = 0; |
this.status = 0; |
53 |
|
|
54 |
/* Statuses: 0 = Uninitialised, |
/* Statuses: 0 = Uninitialised, |
55 |
1 = Loading stream, |
1 = Loading stream, |
56 |
2 = Loading controller frame, |
2 = Loading controller frame, |
57 |
3 = Controller frame timeout, retrying every 5 seconds |
3 = Controller frame timeout, retrying. |
58 |
4 = Controller frame loaded and ready |
4 = Controller frame loaded and ready |
59 |
5 = Receiving data |
5 = Receiving data |
60 |
*/ |
*/ |
61 |
|
|
62 |
this.instID = (typeof(instID) != "undefined") ? instID : 0; |
this.instID = (typeof(instID) != "undefined") ? instID : 0; |
63 |
this.MHostId = Math.floor(Math.random()*100000000)+this.instID; |
this.MHostId = Math.floor(Math.random()*100000000)+""+this.instID; |
64 |
} |
} |
65 |
|
|
66 |
Meteor.instances = new Array(); |
Meteor.instances = new Array(); |
|
Meteor.servertimeoffset = 0; |
|
67 |
|
|
68 |
Meteor.create = function(instID) { |
Meteor.create = function(instID) { |
69 |
if (!instID) instID = Meteor.instances.length; |
if (!instID) instID = Meteor.instances.length; |
73 |
|
|
74 |
Meteor.register = function(ifr) { |
Meteor.register = function(ifr) { |
75 |
instid = new String(ifr.window.frameElement.id); |
instid = new String(ifr.window.frameElement.id); |
76 |
instid = instid.replace("meteorframe_", ""); |
instid = instid.replace(/.*_([0-9]*)$/, "$1"); |
77 |
ifr.p = this.instances[instid].process.bind(this.instances[instid]); |
ifr.p = this.instances[instid].process.bind(this.instances[instid]); |
78 |
ifr.r = this.instances[instid].reset.bind(this.instances[instid]); |
ifr.r = this.instances[instid].reset.bind(this.instances[instid]); |
79 |
ifr.eof = this.instances[instid].eof.bind(this.instances[instid]); |
ifr.eof = this.instances[instid].eof.bind(this.instances[instid]); |
81 |
ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]); |
ifr.increasepolldelay = this.instances[instid].increasepolldelay.bind(this.instances[instid]); |
82 |
clearTimeout(this.instances[instid].frameloadtimer); |
clearTimeout(this.instances[instid].frameloadtimer); |
83 |
this.instances[instid].setstatus(4); |
this.instances[instid].setstatus(4); |
84 |
|
if (this.debugmode) console.log("Frame registered"); |
85 |
} |
} |
86 |
|
|
87 |
Meteor.setServerTime = function(timestamp) { |
Meteor.reset = function(ifr) { |
88 |
var now = new Date(); |
instid = new String(ifr.window.frameElement.id); |
89 |
var clienttime = (now.getTime() / 1000); |
instid = instid.replace(/.*_([0-9]*)$/, "$1"); |
90 |
Meteor.servertimeoffset = timestamp - clienttime; |
this.instances[instid].reset(); |
91 |
|
} |
92 |
|
|
93 |
|
Meteor.prototype.joinChannel = function(channelname, backtrack) { |
94 |
|
if (typeof(this.channels[channelname]) != "undefined") throw "Cannot join channel "+channelname+": already subscribed"; |
95 |
|
this.channels[channelname] = {backtrack:backtrack, lastmsgreceived:0}; |
96 |
|
if (this.debugmode) console.log("Joined channel "+channelname+", channel list follows"); |
97 |
|
if (this.debugmode) console.log(this.channels); |
98 |
|
if (this.status != 0) this.start(); |
99 |
|
this.channelcount++; |
100 |
|
} |
101 |
|
|
102 |
|
Meteor.prototype.leaveChannel = function(channelname) { |
103 |
|
if (typeof(this.channels[channelname]) == "undefined") throw "Cannot leave channel "+channelname+": not subscribed"; |
104 |
|
delete this.channels[channelname]; |
105 |
|
if (this.status != 0) this.start(); |
106 |
|
this.channelcount--; |
107 |
} |
} |
108 |
|
|
109 |
Meteor.prototype.start = function() { |
Meteor.prototype.start = function() { |
110 |
this.persist = (this.maxmessages)?1:0; |
this.persist = (this.persist)?1:0; |
111 |
this.smartpoll = (this.smartpoll)?1:0; |
this.smartpoll = (this.smartpoll)?1:0; |
112 |
this.mode = (this.mode=="stream")?"stream":"poll"; |
this.mode = (this.mode=="stream")?"stream":"poll"; |
113 |
if (!this.subdomain || !this.channel) throw "Channel or Meteor subdomain host not specified"; |
if (!this.subdomain || !this.channelcount) throw "Channel or Meteor subdomain host not specified"; |
114 |
|
this.stop(); |
115 |
var now = new Date(); |
var now = new Date(); |
116 |
var t = now.getTime(); |
var t = now.getTime(); |
117 |
if (typeof(this.transferDoc)=="object") { |
this.setstatus(1); |
118 |
this.transferDoc.open(); |
this.updateSubsUrl(); |
|
this.transferDoc.close(); |
|
|
delete this.transferDoc; |
|
|
} |
|
|
if (document.getElementById("meteorframe_"+this.instID)) { |
|
|
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
|
|
} |
|
119 |
if (this.mode=="stream") { |
if (this.mode=="stream") { |
120 |
if (document.all) { |
if (document.all) { |
121 |
this.setstatus(1); |
this.createIframe(this.subsurl); |
|
this.transferDoc = new ActiveXObject("htmlfile"); |
|
|
this.transferDoc.open(); |
|
|
this.transferDoc.write("<html>"); |
|
|
this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>"); |
|
|
this.transferDoc.write("</html>"); |
|
|
var selfref = this; |
|
|
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>"; |
|
122 |
} else { |
} else { |
123 |
var ifr = document.createElement("IFRAME"); |
this.createIframe("http://"+this.subdomain+"."+location.hostname+"/stream.html"); |
|
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); |
|
|
this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/stream.html"; |
|
|
this.frameload(); |
|
124 |
} |
} |
125 |
var f = this.pollmode.bind(this); |
var f = this.pollmode.bind(this); |
126 |
clearTimeout(this.pingtimer); |
clearTimeout(this.pingtimer); |
127 |
this.pingtimer = setTimeout(f, this.pingtimeout); |
this.pingtimer = setTimeout(f, this.pingtimeout); |
128 |
|
|
129 |
} else { |
} else { |
130 |
|
this.createIframe("http://"+this.subdomain+"."+location.hostname+"/poll.html?nc="+t); |
131 |
|
this.recvtimes[0] = t; |
132 |
|
if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer); |
133 |
|
this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500); |
134 |
|
} |
135 |
|
this.lastrequest = t; |
136 |
|
} |
137 |
|
|
138 |
|
Meteor.prototype.updateSubsUrl = function() { |
139 |
|
|
140 |
|
// If streaming or long polling, connection should persist |
141 |
|
this.persist = (this.mode == "stream" || (this.mode=='poll' && this.maxmessages > 0)) ? 1 : 0; |
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; |
145 |
|
for (var c in this.channels) { |
146 |
|
surl += "&channel="+c; |
147 |
|
if (this.channels[c].lastmsgreceived > 0) { |
148 |
|
surl += "&restartfrom="+(this.channels[c].lastmsgreceived+1); |
149 |
|
} else if (this.channels[c].backtrack > 0) { |
150 |
|
surl += "&backtrack="+this.channels[c].backtrack; |
151 |
|
} else if (this.channels[c].backtrack < 0 || isNaN(this.channels[c].backtrack)) { |
152 |
|
surl += "&restartfrom="; |
153 |
|
} |
154 |
|
} |
155 |
|
this.subsurl = surl; |
156 |
|
} |
157 |
|
|
158 |
|
Meteor.prototype.createIframe = function(url) { |
159 |
|
if (document.all) { |
160 |
|
this.transferDoc = new ActiveXObject("htmlfile"); |
161 |
|
this.transferDoc.open(); |
162 |
|
this.transferDoc.write("<html>"); |
163 |
|
this.transferDoc.write("<script>document.domain=\""+(document.domain)+"\";</"+"script>"); |
164 |
|
this.transferDoc.write("</html>"); |
165 |
|
this.transferDoc.parentWindow.Meteor = Meteor; |
166 |
|
this.transferDoc.close(); |
167 |
|
var ifrDiv = this.transferDoc.createElement("div"); |
168 |
|
this.transferDoc.appendChild(ifrDiv); |
169 |
|
ifrDiv.innerHTML = "<iframe id=\"meteorframe_"+this.instID+"\" src=\""+url+"\" style=\"display: none;\"></iframe>"; |
170 |
|
} else { |
171 |
var ifr = document.createElement("IFRAME"); |
var ifr = document.createElement("IFRAME"); |
172 |
ifr.style.width = "10px"; |
ifr.style.width = "10px"; |
173 |
ifr.style.height = "10px"; |
ifr.style.height = "10px"; |
174 |
ifr.style.border = "none"; |
ifr.style.border = "none"; |
175 |
if (document.all) { |
ifr.style.position = "absolute"; |
176 |
ifr.style.display = "none"; |
ifr.style.top = "-10px"; |
177 |
|
ifr.style.marginTop = "-10px"; |
178 |
|
ifr.style.zIndex = "-20"; |
179 |
|
ifr.setAttribute("id", "meteorframe_"+this.instID); |
180 |
|
ifr.Meteor = Meteor; |
181 |
|
if (document.compatMode=='CSS1Compat') { |
182 |
|
var innerifr = document.createElement("IFRAME"); |
183 |
|
innerifr.setAttribute("src", url); |
184 |
|
innerifr.setAttribute("id", "meteorinnerframe_"+this.instID); |
185 |
|
ifr.appendChild(innerifr); |
186 |
|
document.body.appendChild(ifr); |
187 |
} else { |
} else { |
188 |
ifr.style.position = "absolute"; |
ifr.setAttribute("src", url); |
189 |
ifr.style.marginTop = "-10px"; |
document.body.appendChild(ifr); |
|
ifr.style.zIndex = "-20"; |
|
190 |
} |
} |
|
ifr.id = "meteorframe_"+this.instID; |
|
|
document.body.appendChild(ifr); |
|
|
this.frameurl = "http://"+this.subdomain+"."+location.hostname+"/poll.html"; |
|
|
this.frameload(); |
|
|
this.recvtimes[0] = t; |
|
|
if (this.updatepollfreqtimer) clearTimeout(this.updatepollfreqtimer); |
|
|
this.updatepollfreqtimer = setInterval(this.updatepollfreq.bind(this), 2500); |
|
191 |
} |
} |
192 |
this.lastrequest = t; |
if (this.debugmode) console.log("Loading URL '"+url+"' into frame..."); |
193 |
|
var f = this.frameloadtimeout.bind(this); |
194 |
|
this.frameloadtimer = setTimeout(f, 5000); |
195 |
} |
} |
196 |
|
|
197 |
Meteor.prototype.stop = function() { |
Meteor.prototype.stop = function() { |
198 |
if (typeof(this.transferDoc)=="object") { |
if (typeof(this.transferDoc)=="object") { |
199 |
this.transferDoc.open(); |
this.transferDoc = false; |
|
this.transferDoc.close(); |
|
|
delete this.transferDoc; |
|
200 |
} |
} |
201 |
if (document.getElementById("meteorframe_"+this.instID)) { |
if (document.getElementById("meteorframe_"+this.instID)) { |
202 |
document.getElementById("meteorframe_"+this.instID).src="about:blank"; |
document.getElementById("meteorframe_"+this.instID).src="about:blank"; |
203 |
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
document.body.removeChild(document.getElementById("meteorframe_"+this.instID)); |
204 |
} |
} |
205 |
if (!isNaN(this.pingtimer)) clearTimeout(this.pingtimer); |
clearTimeout(this.pingtimer); |
206 |
if (!isNaN(this.updatepollfreqtimer)) clearTimeout(this.updatepollfreqtimer); |
clearTimeout(this.updatepollfreqtimer); |
207 |
if (!isNaN(this.frameloadtimer)) clearTimeout(this.frameloadtimer); |
clearTimeout(this.frameloadtimer); |
208 |
this.setstatus(0); |
this.setstatus(0); |
209 |
} |
} |
210 |
|
|
211 |
Meteor.prototype.pollmode = function() { |
Meteor.prototype.pollmode = function() { |
212 |
|
if (this.debugmode) console.log("Ping timeout"); |
213 |
this.mode="poll"; |
this.mode="poll"; |
214 |
this.start(); |
this.start(); |
215 |
this.callback_changemode("poll"); |
this.callback_changemode("poll"); |
216 |
this.lastpingtime = false; |
this.lastpingtime = false; |
217 |
} |
} |
218 |
|
|
219 |
Meteor.prototype.process = function(id, data, timestamp) { |
Meteor.prototype.process = function(id, channel, data) { |
220 |
if (id > this.lastmsgreceived) { |
if (id == -1) { |
221 |
|
if (this.debugmode) console.log("Ping"); |
222 |
|
this.ping(); |
223 |
|
} else if (typeof(this.channels[channel]) != "undefined" && id > this.channels[channel].lastmsgreceived) { |
224 |
|
if (this.debugmode) console.log("Message "+id+" received on channel "+channel+" (last id on channel: "+this.channels[channel].lastmsgreceived+")\n"+data); |
225 |
this.callback_process(data); |
this.callback_process(data); |
226 |
if (id != -1) this.lastmsgreceived = id; |
this.channels[channel].lastmsgreceived = id; |
227 |
if (this.mode=="poll") { |
if (this.mode=="poll") { |
228 |
var now = new Date(); |
var now = new Date(); |
229 |
var t = now.getTime(); |
var t = now.getTime(); |
230 |
this.recvtimes[this.recvtimes.length] = t; |
this.recvtimes[this.recvtimes.length] = t; |
231 |
while (this.recvtimes.length > 5) this.recvtimes.shift(); |
while (this.recvtimes.length > 5) this.recvtimes.shift(); |
232 |
} |
} |
|
} else if (id == -1) { |
|
|
this.ping(); |
|
233 |
} |
} |
234 |
|
this.updateSubsUrl(); |
235 |
this.setstatus(5); |
this.setstatus(5); |
|
if (!isNaN(timestamp)) { |
|
|
Meteor.setServerTime(timestamp); |
|
|
} |
|
236 |
} |
} |
237 |
|
|
238 |
Meteor.prototype.ping = function() { |
Meteor.prototype.ping = function() { |
247 |
} |
} |
248 |
|
|
249 |
Meteor.prototype.reset = function() { |
Meteor.prototype.reset = function() { |
250 |
|
if (this.debugmode) console.log("Stream reset"); |
251 |
var now = new Date(); |
var now = new Date(); |
252 |
var t = now.getTime(); |
var t = now.getTime(); |
253 |
var x = this.pollfreq - (t-this.lastrequest); |
var x = this.pollfreq - (t-this.lastrequest); |
302 |
} |
} |
303 |
} |
} |
304 |
|
|
|
Meteor.prototype.frameload = function() { |
|
|
this.setstatus(2); |
|
|
if (document.getElementById("meteorframe_"+this.instID)) { |
|
|
var f = this.frameloadtimeout.bind(this); |
|
|
this.frameloadtimer = setTimeout(f, 5000); |
|
|
document.getElementById("meteorframe_"+this.instID).src = "about:blank"; |
|
|
setTimeout(this.doloadurl.bind(this), 100); |
|
|
} |
|
|
} |
|
|
Meteor.prototype.doloadurl = function() { |
|
|
var now = new Date(); |
|
|
var t = now.getTime(); |
|
|
document.getElementById("meteorframe_"+this.instID).src = this.frameurl+"?nocache="+t; |
|
|
} |
|
305 |
Meteor.prototype.frameloadtimeout = function() { |
Meteor.prototype.frameloadtimeout = function() { |
306 |
|
if (this.debugmode) console.log("Frame load timeout"); |
307 |
if (this.frameloadtimer) clearTimeout(this.frameloadtimer); |
if (this.frameloadtimer) clearTimeout(this.frameloadtimer); |
308 |
this.setstatus(3); |
this.setstatus(3); |
309 |
this.frameload(); |
setTimeout(this.start.bind(this), 5000); |
310 |
} |
} |
311 |
Meteor.prototype.setstatus = function(newstatus) { |
Meteor.prototype.setstatus = function(newstatus) { |
312 |
if (this.status != newstatus) { |
if (this.status != newstatus) { |
315 |
} |
} |
316 |
} |
} |
317 |
|
|
318 |
|
|
319 |
Meteor.createCookie = function(name,value,days) { |
Meteor.createCookie = function(name,value,days) { |
320 |
if (days) { |
if (days) { |
321 |
var date = new Date(); |
var date = new Date(); |
339 |
|
|
340 |
Meteor.eraseCookie = function(name) { |
Meteor.eraseCookie = function(name) { |
341 |
createCookie(name,"",-1); |
createCookie(name,"",-1); |
|
} |
|
342 |
|
} |