X-Git-Url: https://git.brokenzipper.com/gitweb?a=blobdiff_plain;f=extra%2Fcometd%2Fpublic_html%2Fmeteor.js;fp=extra%2Fcometd%2Fpublic_html%2Fmeteor.js;h=824c43415b0cb068aafc292debf9f43f6d04d3df;hb=100d54b49cab3783276b3a470fffa5e509929daf;hp=0000000000000000000000000000000000000000;hpb=06da6ad7294f8293cfe3a5e77e0f676d2884cd79;p=chaz%2Fchatty

diff --git a/extra/cometd/public_html/meteor.js b/extra/cometd/public_html/meteor.js
new file mode 100644
index 0000000..824c434
--- /dev/null
+++ b/extra/cometd/public_html/meteor.js
@@ -0,0 +1,302 @@
+/*
+stream: xhrinteractive, iframe, serversent
+longpoll
+smartpoll
+simplepoll
+*/
+
+Meteor = {
+
+	callbacks: {
+		process: function() {},
+		reset: function() {},
+		eof: function() {},
+		statuschanged: function() {},
+		changemode: function() {}
+	},
+	channelcount: 0,
+	channels: {},
+	debugmode: false,
+	frameref: null,
+	host: null,
+	hostid: null,
+	maxpollfreq: 60000,
+	minpollfreq: 2000,
+	mode: "stream",
+	pingtimeout: 20000,
+	pingtimer: null,
+	pollfreq: 3000,
+	port: 80,
+	polltimeout: 30000,
+	recvtimes: [],
+	status: 0,
+	updatepollfreqtimer: null,
+
+	register: function(ifr) {
+		ifr.p = Meteor.process;
+		ifr.r = Meteor.reset;
+		ifr.eof = Meteor.eof;
+		ifr.ch = Meteor.channelInfo;
+		clearTimeout(Meteor.frameloadtimer);
+		Meteor.setstatus(4);
+		Meteor.log("Frame registered");
+	},
+
+	joinChannel: function(channelname, backtrack) {
+		if (typeof(Meteor.channels[channelname]) != "undefined") throw "Cannot join channel "+channelname+": already subscribed";
+		Meteor.channels[channelname] = {backtrack:backtrack, lastmsgreceived:0};
+		Meteor.log("Joined channel "+channelname);
+		Meteor.channelcount++;
+		if (Meteor.status != 0) Meteor.connect();
+	},
+
+	leaveChannel: function(channelname) {
+		if (typeof(Meteor.channels[channelname]) == "undefined") throw "Cannot leave channel "+channelname+": not subscribed";
+		delete Meteor.channels[channelname];
+		Meteor.log("Left channel "+channelname);
+		if (Meteor.status != 0) Meteor.connect();
+		Meteor.channelcount--;
+	},
+
+	connect: function() {
+		Meteor.log("Connecting");
+		if (!Meteor.host) throw "Meteor host not specified";
+		if (isNaN(Meteor.port)) throw "Meteor port not specified";
+		if (!Meteor.channelcount) throw "No channels specified";
+		if (Meteor.status) Meteor.disconnect();
+		Meteor.setstatus(1);
+		var now = new Date();
+		var t = now.getTime();
+		if (!Meteor.hostid) Meteor.hostid = t+""+Math.floor(Math.random()*1000000)
+		document.domain = Meteor.extract_xss_domain(document.domain);
+		if (Meteor.mode=="stream") Meteor.mode = Meteor.selectStreamTransport();
+		Meteor.log("Selected "+Meteor.mode+" transport");
+		if (Meteor.mode=="xhrinteractive" || Meteor.mode=="iframe" || Meteor.mode=="serversent") {
+			if (Meteor.mode == "iframe") {
+				Meteor.loadFrame(Meteor.getSubsUrl());
+			} else {
+				Meteor.loadFrame("http://"+Meteor.host+((Meteor.port==80)?"":":"+Meteor.port)+"/stream.html");
+			}
+			clearTimeout(Meteor.pingtimer);
+			Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout);
+
+		} else {
+			Meteor.loadFrame("http://"+Meteor.host+((Meteor.port==80)?"":":"+Meteor.port)+"/poll.html");
+			Meteor.recvtimes[0] = t;
+			if (Meteor.updatepollfreqtimer) clearTimeout(Meteor.updatepollfreqtimer);
+			if (Meteor.mode=='smartpoll') Meteor.updatepollfreqtimer = setInterval(Meteor.updatepollfreq, 2500);
+			if (Meteor.mode=='longpoll') Meteor.pollfreq = Meteor.minpollfreq;
+		}
+		Meteor.lastrequest = t;
+	},
+
+	disconnect: function() {
+		if (Meteor.status) {
+			clearTimeout(Meteor.pingtimer);
+			clearTimeout(Meteor.updatepollfreqtimer);
+			clearTimeout(Meteor.frameloadtimer);
+			if (typeof CollectGarbage == 'function') CollectGarbage();
+			if (Meteor.status != 6) Meteor.setstatus(0);
+			Meteor.log("Disconnected");
+		}
+	},
+	
+	selectStreamTransport: function() {
+		try {
+			var test = ActiveXObject;
+			return "iframe";
+		} catch (e) {}
+		if ((typeof window.addEventStream) == "function") return "iframe";
+		return "xhrinteractive";
+	},
+
+	getSubsUrl: function() {
+		var surl = "http://" + Meteor.host + ((Meteor.port==80)?"":":"+Meteor.port) + "/push/" + Meteor.hostid + "/" + Meteor.mode;
+		for (var c in Meteor.channels) {
+			surl += "/"+c;
+			if (Meteor.channels[c].lastmsgreceived > 0) {
+				surl += ".r"+(Meteor.channels[c].lastmsgreceived+1);
+			} else if (Meteor.channels[c].backtrack > 0) {
+				surl += ".b"+Meteor.channels[c].backtrack;
+			} else if (Meteor.channels[c].backtrack < 0 || isNaN(Meteor.channels[c].backtrack)) {
+				surl += ".h";
+			}
+		}
+		var now = new Date();
+		surl += "?nc="+now.getTime();
+		return surl;
+	},
+
+	loadFrame: function(url) {
+		try {
+			if (!Meteor.frameref) {
+				var transferDoc = new ActiveXObject("htmlfile");
+				Meteor.frameref = transferDoc;
+			}
+			Meteor.frameref.open();
+			Meteor.frameref.write("<html><script>");
+			Meteor.frameref.write("document.domain=\""+(document.domain)+"\";");
+			Meteor.frameref.write("</"+"script></html>");
+			Meteor.frameref.parentWindow.Meteor = Meteor;
+			Meteor.frameref.close();
+			var ifrDiv = Meteor.frameref.createElement("div");
+			Meteor.frameref.appendChild(ifrDiv);
+			ifrDiv.innerHTML = "<iframe src=\""+url+"\"></iframe>";
+		} catch (e) {
+			if (!Meteor.frameref) {
+				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.Meteor = Meteor;
+				document.body.appendChild(ifr);
+				Meteor.frameref = ifr;
+			}
+			Meteor.frameref.setAttribute("src", url);
+		}
+		Meteor.log("Loading URL '"+url+"' into frame...");
+		Meteor.frameloadtimer = setTimeout(Meteor.frameloadtimeout, 5000);
+	},
+
+	pollmode: function() {
+		Meteor.log("Ping timeout");
+		Meteor.mode="smartpoll";
+		clearTimeout(Meteor.pingtimer);
+		Meteor.callbacks["changemode"]("poll");
+		Meteor.lastpingtime = false;
+		Meteor.connect();
+	},
+
+	process: function(id, channel, data) {
+		if (id == -1) {
+			Meteor.log("Ping");
+			Meteor.ping();
+		} else if (typeof(Meteor.channels[channel]) != "undefined") {
+			Meteor.log("Message "+id+" received on channel "+channel+" (last id on channel: "+Meteor.channels[channel].lastmsgreceived+")\n"+data);
+			Meteor.callbacks["process"](data);
+			Meteor.channels[channel].lastmsgreceived = id;
+			if (Meteor.mode=="smartpoll") {
+				var now = new Date();
+				Meteor.recvtimes[Meteor.recvtimes.length] = now.getTime();
+				while (Meteor.recvtimes.length > 5) Meteor.recvtimes.shift();
+			}
+		}
+		Meteor.setstatus(5);
+	},
+
+	ping: function() {
+		if (Meteor.pingtimer) {
+			clearTimeout(Meteor.pingtimer);
+			Meteor.pingtimer = setTimeout(Meteor.pollmode, Meteor.pingtimeout);
+			var now = new Date();
+			Meteor.lastpingtime = now.getTime();
+		}
+		Meteor.setstatus(5);
+	},
+
+	reset: function() {
+		if (Meteor.status != 6) {
+			Meteor.log("Stream reset");
+			Meteor.ping();
+			Meteor.callbacks["reset"]();
+			var now = new Date();
+			var t = now.getTime();
+			var x = Meteor.pollfreq - (t-Meteor.lastrequest);
+			if (x < 10) x = 10;
+			setTimeout(Meteor.connect, x);
+		}
+	},
+
+	eof: function() {
+		Meteor.log("Received end of stream, will not reconnect");
+		Meteor.callbacks["eof"]();
+		Meteor.setstatus(6);
+		Meteor.disconnect();
+	},
+
+	channelInfo: function(channel, id) {
+		Meteor.channels[channel].lastmsgreceived = id;
+		Meteor.log("Received channel info for channel "+channel+": resume from "+id);
+	},
+
+	updatepollfreq: function() {
+		var now = new Date();
+		var t = now.getTime();
+		var avg = 0;
+		for (var i=1; i<Meteor.recvtimes.length; i++) {
+			avg += (Meteor.recvtimes[i]-Meteor.recvtimes[i-1]);
+		}
+		avg += (t-Meteor.recvtimes[Meteor.recvtimes.length-1]);
+		avg /= Meteor.recvtimes.length;
+		var target = avg/2;
+		if (target < Meteor.pollfreq && Meteor.pollfreq > Meteor.minpollfreq) Meteor.pollfreq = Math.ceil(Meteor.pollfreq*0.9);
+		if (target > Meteor.pollfreq && Meteor.pollfreq < Meteor.maxpollfreq) Meteor.pollfreq = Math.floor(Meteor.pollfreq*1.05);
+	},
+
+	registerEventCallback: function(evt, funcRef) {
+		Function.prototype.andThen=function(g) {
+			var f=this;
+			var a=Meteor.arguments
+			return function(args) {
+				f(a);g(args);
+			}
+		};
+		if (typeof Meteor.callbacks[evt] == "function") {
+			Meteor.callbacks[evt] = (Meteor.callbacks[evt]).andThen(funcRef);
+		} else {
+			Meteor.callbacks[evt] = funcRef;
+		}
+	},
+
+	frameloadtimeout: function() {
+		Meteor.log("Frame load timeout");
+		if (Meteor.frameloadtimer) clearTimeout(Meteor.frameloadtimer);
+		Meteor.setstatus(3);
+		Meteor.pollmode();
+	},
+
+	extract_xss_domain: function(old_domain) {
+		if (old_domain.match(/^(\d{1,3}\.){3}\d{1,3}$/)) return old_domain;
+		domain_pieces = old_domain.split('.');
+		return domain_pieces.slice(-2, domain_pieces.length).join(".");
+	},
+
+	setstatus: function(newstatus) {
+		// Statuses:	0 = Uninitialised,
+		//				1 = Loading stream,
+		//				2 = Loading controller frame,
+		//				3 = Controller frame timeout, retrying.
+		//				4 = Controller frame loaded and ready
+		//				5 = Receiving data
+		//				6 = End of stream, will not reconnect
+
+		if (Meteor.status != newstatus) {
+			Meteor.status = newstatus;
+			Meteor.callbacks["statuschanged"](newstatus);
+		}
+	},
+
+	log: function(logstr) {
+		if (Meteor.debugmode) {
+			if (window.console) {
+				window.console.log(logstr);
+			} else if (document.getElementById("meteorlogoutput")) {
+				document.getElementById("meteorlogoutput").innerHTML += logstr+"<br/>";
+			}
+		}
+	}
+}
+
+var oldonunload = window.onunload;
+if (typeof window.onunload != 'function') {
+	window.onunload = Meteor.disconnect;
+} else {
+	window.onunload = function() {
+		if (oldonunload) oldonunload();
+		Meteor.disconnect();
+	}
+}
\ No newline at end of file