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nginx-push-stream-module
Commit 347a76ad authored by Wandenberg Peixoto's avatar Wandenberg Peixoto
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sample chat application

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misc/examples/chat.html 0 → 100644
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title>Chat - Push Stream Module Example</title>
</head>
<body>
<form action="/pub" method="POST">
<p>
<span style="display: block; float: left; width: 55px;">satus:</span>
<span class="online" style="display:none; color:green">online</span>
<span class="offline" style="display:block; color:red">offline</span>
</p>
<p>
<label for="room">Room:</label>
<input type="text" name="room" value="example" id="room" />
</p>
<p>
<label for="nick">Nick:</label>
<input type="text" name="nick" value="" id="nick" />
</p>
<p>
<label for="chat">Chat:</label>
<textarea name="chat" rows="8" cols="40" id="chat" readonly="readonly"></textarea>
</p>
<p>
<label for="message">Text:</label>
<textarea name="message" rows="2" cols="40" id="message"></textarea>
</p>
<p><input type="submit" value="Send" id="sendButton"/></p>
</form>
<script src="js/jquery-1.4.2.min.js" type="text/javascript" language="javascript" charset="utf-8"></script>
<script src="js/log4js.js" type="text/javascript" language="javascript" charset="utf-8"></script>
<script src="js/pushstream.js" type="text/javascript" language="javascript" charset="utf-8"></script>
<script type="text/javascript" language="javascript" charset="utf-8">
// <![CDATA[
$(function() {
function onSendText() {
$("#message").val('');
};
function _manageEvent(eventMessage) {
if (eventMessage != '') {
var values = $.parseJSON(eventMessage);
var line = values.nick + ': ' + values.text;
if ($("#chat").val() == '') {
$("#chat").val(line);
} else {
$("#chat").val(line + '\n' + $("#chat").val());
}
}
};
function _statuschanged() {
if (PushStream.status == 5) {
$(".offline").hide();
$(".online").show();
} else {
$(".online").hide();
$(".offline").show();
}
};
$("#room").change(function(){
if (PushStream.status == 5) {
PushStream.disconnect();
}
$("#chat").val('');
PushStream.joinChannel($("#room").val(), 10 );
PushStream.connect();
});
$("#sendButton").click(function(){
if (($("#nick").val() != "") && ($("#message").val() != "") && ($("#room").val() != "")) {
$.post( '/pub?id=' + $("#room").val(), '{"nick":"' + $("#nick").val() + '", "text":"' + $("#message").val() + '"}', onSendText);
} else {
alert("nick, room and text are required");
}
return false;
});
var now = new Date();
var _hostId = (now.getTime() + "" + (Math.random() * 10000)).replace('.','');
PushStream.host = window.location.hostname;
PushStream.port = window.location.port;
PushStream.hostid = _hostId;
PushStream.registerEventCallback("process", _manageEvent);
PushStream.registerEventCallback("statuschanged", _statuschanged);
PushStream.joinChannel($("#room").val(), 10 );
PushStream.connect();
});
// ]]>
</script>
</body>
</html>
misc/examples/js/jquery-1.4.2.min.js 0 → 100644
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misc/examples/js/log4js.js 0 → 100644
View file @ 347a76ad
Log4js = {
logLevel: 'error', /* debug, info, error */
logOutputId: 'Log4jsLogOutput',
debug : function(logstr) {
Log4js._log(logstr, 'debug');
},
info : function(logstr) {
Log4js._log(logstr, 'info');
},
error : function(logstr) {
Log4js._log(logstr, 'error');
},
_log: function(logstr, level) {
if ((Log4js.logLevel === level) || ('error' === level) || (Log4js.logLevel === 'debug') ) {
if (window.console) {
window.console.log(logstr);
} else if (document.getElementById(Log4js.logOutputId)) {
document.getElementById(Log4js.logOutputId).innerHTML += logstr+"<br/>";
}
}
}
};
misc/examples/js/pushstream.js 0 → 100644
View file @ 347a76ad
PushStream = {
callbacks: {
process: function() {},
reset: function() {},
eof: function() {},
statuschanged: function() {}
},
host: null,
port: 80,
hostid: null,
status: 0,
channelcount: 0,
channels: {},
lastrequest: 0,
frameref: null,
frameloadtimer: null,
frameloadingtimeout: 15000,
pingtimer: null,
pingingtimeout: 30000,
reconnecttimer: null,
reconnecttimeout: 3000,
checkChannelAvailabilityInterval: 60000,
backtrackDefault: 10,
mode: 'iframe',
connect: function() {
Log4js.debug('entering connect');
if (!PushStream.host) throw "PushStream host not specified";
if (isNaN(PushStream.port)) throw "PushStream port not specified";
if (!PushStream.channelcount) throw "No channels specified";
if (!PushStream.hostid) PushStream.hostid = t+""+Math.floor(Math.random()*1000000);
document.domain = PushStream.extract_xss_domain(document.domain);
if (PushStream.status) PushStream.disconnect();
PushStream.setStatus(1);
var now = new Date();
var t = now.getTime();
PushStream.loadFrame(PushStream.getSubsUrl());
PushStream.lastrequest = t;
Log4js.debug('leaving connect');
},
reconnect: function(interval) {
if (PushStream.status != 6) {
PushStream.reconnecttimer = setTimeout(PushStream.connect, interval || PushStream.reconnecttimeout);
}
},
disconnect: function() {
Log4js.debug('entering disconnect');
if (PushStream.status) {
PushStream.clearPingtimer();
PushStream.clearFrameloadtimer();
PushStream.clearReconnecttimer();
if (typeof CollectGarbage == 'function') CollectGarbage();
if (PushStream.status != 6) PushStream.setStatus(0);
Log4js.info("Disconnected");
}
Log4js.debug('leaving disconnect');
},
joinChannel: function(channelname, backtrack) {
Log4js.debug('entering joinChannel');
if (typeof(PushStream.channels[channelname]) != "undefined") throw "Cannot join channel "+channelname+": already subscribed";
PushStream.channels[channelname] = {backtrack:backtrack, lastmsgreceived:-1};
Log4js.info("Joined channel " + channelname);
PushStream.channelcount++;
if (PushStream.status != 0) PushStream.connect();
Log4js.debug('leaving joinChannel');
},
loadFrame: function(url) {
try {
if (!PushStream.frameref) {
var transferDoc = new ActiveXObject("htmlfile");
PushStream.frameref = transferDoc;
}
PushStream.frameref.open();
PushStream.frameref.write("<html><script>");
PushStream.frameref.write("document.domain=\""+(document.domain)+"\";");
PushStream.frameref.write("</"+"script></html>");
PushStream.frameref.parentWindow.PushStream = PushStream;
PushStream.frameref.close();
var ifrDiv = PushStream.frameref.createElement("div");
PushStream.frameref.appendChild(ifrDiv);
ifrDiv.innerHTML = "<iframe src=\""+url+"\" onload=\"PushStream.frameload();\"></iframe>";
} catch (e) {
if (!PushStream.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.PushStream = PushStream;
ifr.onload = PushStream.frameload;
document.body.appendChild(ifr);
PushStream.frameref = ifr;
}
PushStream.frameref.setAttribute("src", url);
}
Log4js.info("Loading URL '" + url + "' into frame...");
PushStream.frameloadtimer = setTimeout(PushStream.frameloadtimeout, PushStream.frameloadingtimeout);
},
frameload: function() {
Log4js.info("Frame loaded whitout streaming");
PushStream.clearFrameloadtimer();
PushStream.setStatus(8);
PushStream.reconnect(PushStream.checkChannelAvailabilityInterval);
},
frameloadtimeout: function() {
Log4js.info("Frame load timeout");
PushStream.clearFrameloadtimer();
PushStream.setStatus(3);
PushStream.reconnect(PushStream.frameloadingtimeout);
},
register: function(ifr) {
PushStream.clearFrameloadtimer();
ifr.p = PushStream.process;
ifr.r = PushStream.reset;
ifr.eof = PushStream.eof;
PushStream.setStatus(4);
PushStream.setPingtimer();
Log4js.info("Frame registered");
},
pingtimeout: function() {
Log4js.info("Ping timeout");
PushStream.setStatus(7);
PushStream.clearPingtimer();
PushStream.reconnect();
},
process: function(id, channel, data) {
Log4js.info("Message received");
PushStream.setStatus(5);
PushStream.clearPingtimer();
if (id == -1) {
Log4js.debug("Ping");
} else if (typeof(PushStream.channels[channel]) != "undefined") {
Log4js.debug("Message " + id + " received on channel " + channel + " (last id on channel: " + PushStream.channels[channel].lastmsgreceived + ")\n" + data);
PushStream.callbacks["process"](data);
PushStream.channels[channel].lastmsgreceived = id;
}
PushStream.setPingtimer();
},
reset: function() {
if (PushStream.status != 6) {
Log4js.info("Stream reset");
PushStream.callbacks["reset"]();
PushStream.reconnect();
}
},
eof: function() {
Log4js.info("Received end of stream, will not reconnect");
PushStream.callbacks["eof"]();
PushStream.setStatus(6);
PushStream.disconnect();
},
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
// 7 = Ping Timeout
// 8 = Frame loaded whitout streaming, channel problably empty or not exists
if (PushStream.status != newstatus) {
Log4js.info('PushStream.status ' + newstatus);
PushStream.status = newstatus;
PushStream.callbacks["statuschanged"](newstatus);
}
},
registerEventCallback: function(evt, funcRef) {
Function.prototype.andThen=function(g) {
var f=this;
var a=PushStream.arguments
return function(args) {
f(a);g(args);
}
};
if (typeof PushStream.callbacks[evt] == "function") {
PushStream.callbacks[evt] = (PushStream.callbacks[evt]).andThen(funcRef);
} else {
PushStream.callbacks[evt] = funcRef;
}
},
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(".");
},
getSubsUrl: function() {
var surl = "http://" + PushStream.host + ((PushStream.port==80)?"":":"+PushStream.port) + "/sub";
for (var c in PushStream.channels) {
var channelinfo = "/" + c + PushStream.getBacktrack(c);
surl += channelinfo;
}
var now = new Date();
surl += "?nc="+now.getTime();
return surl;
},
getBacktrack: function(channelName) {
var channel = PushStream.channels[channelName];
if (channel.backtrack != 0) {
var backtrack = ".b"
if (channel.backtrack > 0) {
backtrack += channel.backtrack
} else {
backtrack += PushStream.backtrackDefault;
}
return backtrack;
} else return "";
},
clearPingtimer: function() {
if (PushStream.pingtimer) {
clearTimeout(PushStream.pingtimer);
PushStream.pingtimer = null;
}
},
setPingtimer: function() {
PushStream.clearPingtimer();
PushStream.pingtimer = setTimeout(PushStream.pingtimeout, PushStream.pingingtimeout);
},
clearFrameloadtimer: function() {
if (PushStream.frameloadtimer) {
if (PushStream.frameloadtimer) clearTimeout(PushStream.frameloadtimer);
PushStream.frameloadtimer = null;
}
},
clearReconnecttimer: function() {
if (PushStream.reconnecttimer) {
if (PushStream.reconnecttimer) clearTimeout(PushStream.reconnecttimer);
PushStream.reconnecttimer = null;
}
}
};
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