diff options
Diffstat (limited to 'includes/js/dojox/cometd')
| -rw-r--r-- | includes/js/dojox/cometd/README | 29 | ||||
| -rw-r--r-- | includes/js/dojox/cometd/_base.js | 950 | ||||
| -rw-r--r-- | includes/js/dojox/cometd/timestamp.js | 9 | ||||
| -rw-r--r-- | includes/js/dojox/cometd/timesync.js | 126 |
4 files changed, 0 insertions, 1114 deletions
diff --git a/includes/js/dojox/cometd/README b/includes/js/dojox/cometd/README deleted file mode 100644 index 05a42a2..0000000 --- a/includes/js/dojox/cometd/README +++ /dev/null @@ -1,29 +0,0 @@ -------------------------------------------------------------------------------- -Cometd (client) -------------------------------------------------------------------------------- -Version 0.4 -Release date: May 29, 2007 -------------------------------------------------------------------------------- -Project state: beta -------------------------------------------------------------------------------- -Project authors - Alex Russell (alex@dojotoolkit.org) - Greg Wilkins -------------------------------------------------------------------------------- -Project description - -Low-latency data transfer from servers to clients. dojox.cometd implements a -Bayeux protocol client for use with most Bayeux servers. See cometd.com for -details on Cometd or on the Bayeux protocol. -------------------------------------------------------------------------------- -Dependencies: - -Needs a cooperating Bayeux server -------------------------------------------------------------------------------- -Documentation - -See http://cometd.com -------------------------------------------------------------------------------- -Installation instructions - -Use this library with (preferably through) an existing Cometd server. diff --git a/includes/js/dojox/cometd/_base.js b/includes/js/dojox/cometd/_base.js deleted file mode 100644 index eb129ee..0000000 --- a/includes/js/dojox/cometd/_base.js +++ /dev/null @@ -1,950 +0,0 @@ -if(!dojo._hasResource["dojox.cometd._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.cometd._base"] = true; -dojo.provide("dojox.cometd._base"); -dojo.require("dojo.AdapterRegistry"); -dojo.require("dojo.io.script"); - - -/* - * this file defines Comet protocol client. Actual message transport is - * deferred to one of several connection type implementations. The default is a - * long-polling implementation. A single global object named "dojox.cometd" is - * used to mediate for these connection types in order to provide a stable - * interface. - * - * extensions modules may be loaded (eg "dojox.cometd.timestamp", that use - * the cometd._extendInList and cometd._extendOutList fields to provide functions - * that extend and handling incoming and outgoing messages. - */ - -dojox.cometd = new function(){ - - // cometd states: - - // alex; OMG, these "constants" need to die. Java truly is a degenerative disease. - this.DISCONNECTED = "DISCONNECTED"; // _initialized==false && _connected==false - this.CONNECTING = "CONNECTING"; // _initialized==true && _connected==false (handshake sent) - this.CONNECTED = "CONNECTED"; // _initialized==true && _connected==true (first successful connect) - this.DISCONNECTING = "DISCONNECING"; // _initialized==false && _connected==true (disconnect sent) - - this._initialized = false; - this._connected = false; - this._polling = false; - - this.expectedNetworkDelay = 5000; // expected max network delay - this.connectTimeout = 0; // If set, used as ms to wait for a connect response and sent as the advised timeout - - this.connectionTypes = new dojo.AdapterRegistry(true); - - this.version = "1.0"; - this.minimumVersion = "0.9"; - this.clientId = null; - this.messageId = 0; - this.batch = 0; - - this._isXD = false; - this.handshakeReturn = null; - this.currentTransport = null; - this.url = null; - this.lastMessage = null; - this._messageQ = []; - this.handleAs = "json-comment-optional"; - this._advice = {}; - this._backoffInterval = 0; - this._backoffIncrement = 1000; - this._backoffMax = 60000; - this._deferredSubscribes = {}; - this._deferredUnsubscribes = {}; - this._subscriptions = []; - this._extendInList = []; // List of functions invoked before delivering messages - this._extendOutList = []; // List of functions invoked before sending messages - - this.state = function() { - return this._initialized ? - (this._connected ? "CONNECTED" : "CONNECTING") : - ( this._connected ? "DISCONNECTING" : "DISCONNECTED"); - } - - this.init = function( /*String*/ root, - /*Object?*/ props, - /*Object?*/ bargs){ // return: dojo.Deferred - // summary: - // Initialize the cometd implementation of the Bayeux protocol - // description: - // Initialize the cometd implementation of the Bayeux protocol by - // sending a handshake message. The cometd state will be changed to CONNECTING - // until a handshake response is received and the first successful connect message - // has returned. - // The protocol state changes may be monitored - // by subscribing to the dojo topic "/cometd/meta" where events are - // published in the form {cometd:this,action:"handshake",successful:true,state:this.state()} - // root: - // The URL of the cometd server. If the root is absolute, the host - // is examined to determine if xd transport is needed. Otherwise the - // same domain is assumed. - // props: - // An optional object that is used as the basis of the handshake message - // bargs: - // An optional object of bind args mixed in with the send of the handshake - // example: - // | dojox.cometd.init("/cometd"); - // | dojox.cometd.init("http://xdHost/cometd",{ext:{user:"fred",pwd:"secret"}}); - - - // FIXME: if the root isn't from the same host, we should automatically - // try to select an XD-capable transport - props = props||{}; - // go ask the short bus server what we can support - props.version = this.version; - props.minimumVersion = this.minimumVersion; - props.channel = "/meta/handshake"; - props.id = ""+this.messageId++; - - this.url = root||dojo.config["cometdRoot"]; - if(!this.url){ - console.debug("no cometd root specified in djConfig and no root passed"); - return null; - } - - // Are we x-domain? borrowed from dojo.uri.Uri in lieu of fixed host and port properties - var regexp = "^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\\?([^#]*))?(#(.*))?$"; - var parts = (""+window.location).match(new RegExp(regexp)); - if(parts[4]){ - var tmp = parts[4].split(":"); - var thisHost = tmp[0]; - var thisPort = tmp[1]||"80"; // FIXME: match 443 - - parts = this.url.match(new RegExp(regexp)); - if(parts[4]){ - tmp = parts[4].split(":"); - var urlHost = tmp[0]; - var urlPort = tmp[1]||"80"; - this._isXD = ((urlHost != thisHost)||(urlPort != thisPort)); - } - } - - if(!this._isXD){ - if(props.ext){ - if(props.ext["json-comment-filtered"]!==true && props.ext["json-comment-filtered"]!==false){ - props.ext["json-comment-filtered"] = true; - } - }else{ - props.ext = { "json-comment-filtered": true }; - } - props.supportedConnectionTypes = dojo.map(this.connectionTypes.pairs, "return item[0]"); - } - - props = this._extendOut(props); - - var bindArgs = { - url: this.url, - handleAs: this.handleAs, - content: { "message": dojo.toJson([props]) }, - load: dojo.hitch(this,function(msg){ - this._backon(); - this._finishInit(msg); - }), - error: dojo.hitch(this,function(e){ - console.debug("handshake error!:",e); - this._backoff(); - this._finishInit([{}]); - }) - }; - - if(bargs){ - dojo.mixin(bindArgs, bargs); - } - this._props = props; - for(var tname in this._subscriptions){ - for(var sub in this._subscriptions[tname]){ - if(this._subscriptions[tname][sub].topic){ - dojo.unsubscribe(this._subscriptions[tname][sub].topic); - } - } - } - this._messageQ = []; - this._subscriptions = []; - this._initialized = true; - this.batch = 0; - this.startBatch(); - - var r; - // if xdomain, then we assume jsonp for handshake - if(this._isXD){ - bindArgs.callbackParamName = "jsonp"; - r = dojo.io.script.get(bindArgs); - }else{ - r = dojo.xhrPost(bindArgs); - } - dojo.publish("/cometd/meta", [ - { - cometd: this, - action: "handshake", - successful: true, - state: this.state() - } - ]); - return r; - } - - - this.publish = function(/*String*/ channel, /*Object*/ data, /*Object?*/ props){ - // summary: - // publishes the passed message to the cometd server for delivery - // on the specified topic - // channel: - // the destination channel for the message - // data: - // a JSON object containing the message "payload" - // properties: - // Optional. Other meta-data to be mixed into the top-level of the - // message - var message = { - data: data, - channel: channel - }; - if(props){ - dojo.mixin(message, props); - } - this._sendMessage(message); - } - - - this.subscribe = function( /*String */ channel, - /*Object */ objOrFunc, - /*String */ funcName, - /*Object?*/ props){ // return: dojo.Deferred - // summary: - // inform the server of this client's interest in channel - // description: - // `dojox.cometd.subscribe()` handles all the hard work of telling - // the server that we want to be notified when events are - // published on a particular topic. `subscribe` accepts a function - // to handle messages and returns a `dojo.Deferred` object which - // has an extra property added to it which makes it suitable for - // passing to `dojox.cometd.unsubscribe()` as a "subscription - // handle" (much like the handle object that `dojo.connect()` - // produces and which `dojo.disconnect()` expects). - // - // Note that of a subscription is registered before a connection - // with the server is established, events sent before the - // connection is established will not be delivered to this client. - // The deferred object which `subscribe` returns will callback - // when the server successfuly acknolwedges receipt of our - // "subscribe" request. - // channel: - // name of the cometd channel to subscribe to - // objOrFunc: - // an object scope for funcName or the name or reference to a - // function to be called when messages are delivered to the - // channel - // funcName: - // the second half of the objOrFunc/funcName pair for identifying - // a callback function to notifiy upon channel message delivery - // example: - // Simple subscribe use-case - // | dojox.cometd.init("http://myserver.com:8080/cometd"); - // | // log out all incoming messages on /foo/bar - // | dojox.cometd.subscribe("/foo/bar", console, "debug"); - // example: - // Subscribe before connection is initialized - // | dojox.cometd.subscribe("/foo/bar", console, "debug"); - // | dojox.cometd.init("http://myserver.com:8080/cometd"); - // example: - // Subscribe an unsubscribe - // | dojox.cometd.init("http://myserver.com:8080/cometd"); - // | var h = dojox.cometd.subscribe("/foo/bar", console, "debug"); - // | dojox.cometd.unsubscribe(h); - // example: - // Listen for successful subscription: - // | dojox.cometd.init("http://myserver.com:8080/cometd"); - // | var h = dojox.cometd.subscribe("/foo/bar", console, "debug"); - // | h.addCallback(function(){ - // | console.debug("subscription to /foo/bar established"); - // | }); - - props = props||{}; - if(objOrFunc){ - var tname = "/cometd"+channel; - var subs = this._subscriptions[tname]; - if(!subs || subs.length==0){ - subs = []; - props.channel = "/meta/subscribe"; - props.subscription = channel; - this._sendMessage(props); - - var _ds = this._deferredSubscribes; - if(_ds[channel]){ - _ds[channel].cancel(); - delete _ds[channel]; - } - _ds[channel] = new dojo.Deferred(); - } - - for(var i in subs){ - if( subs[i].objOrFunc === objOrFunc && (!subs[i].funcName&&!funcName||subs[i].funcName==funcName) ){ - return null; - } - } - - var topic = dojo.subscribe(tname, objOrFunc, funcName); - subs.push({ - topic: topic, - objOrFunc: objOrFunc, - funcName: funcName - }); - this._subscriptions[tname] = subs; - } - var ret = this._deferredSubscribes[channel]||{}; - ret.args = dojo._toArray(arguments); - return ret; // dojo.Deferred - } - - - - this.unsubscribe = function( /*String*/ channel, - /*Object?*/ objOrFunc, - /*String?*/ funcName, - /*Object?*/ props){ - // summary: - // inform the server of this client's disinterest in channel - // channel: - // name of the cometd channel to unsubscribe from - // objOrFunc: - // an object scope for funcName or the name or reference to a - // function to be called when messages are delivered to the - // channel. If null then all subscribers to the channel are unsubscribed. - // funcName: - // the second half of the objOrFunc/funcName pair for identifying - // a callback function to notifiy upon channel message delivery - - if( - (arguments.length == 1) && - (!dojo.isString(channel)) && - (channel.args) - ){ - // it's a subscription handle, unroll - return this.unsubscribe.apply(this, channel.args); - } - - var tname = "/cometd"+channel; - var subs = this._subscriptions[tname]; - if(!subs || subs.length==0){ - return null; - } - - var s=0; - for(var i in subs){ - var sb = subs[i]; - if( (!objOrFunc) || - ( - sb.objOrFunc===objOrFunc && - (!sb.funcName && !funcName || sb.funcName==funcName) - ) - ){ - dojo.unsubscribe(subs[i].topic); - delete subs[i]; - }else{ - s++; - } - } - - if(s==0){ - props = props||{}; - props.channel = "/meta/unsubscribe"; - props.subscription = channel; - delete this._subscriptions[tname]; - this._sendMessage(props); - this._deferredUnsubscribes[channel] = new dojo.Deferred(); - if (this._deferredSubscribes[channel]){ - this._deferredSubscribes[channel].cancel(); - delete this._deferredSubscribes[channel]; - } - } - return this._deferredUnsubscribes[channel]; // dojo.Deferred - } - - - this.disconnect = function(){ - // summary: - // Disconnect from the server. - // description: - // Disconnect from the server by sending a disconnect message - // example: - // | dojox.cometd.disconnect(); - - for(var tname in this._subscriptions){ - for(var sub in this._subscriptions[tname]){ - if(this._subscriptions[tname][sub].topic){ - dojo.unsubscribe(this._subscriptions[tname][sub].topic); - } - } - } - this._subscriptions = []; - this._messageQ = []; - if(this._initialized && this.currentTransport){ - this._initialized=false; - this.currentTransport.disconnect(); - } - if(!this._polling) { - this._connected=false; - dojo.publish("/cometd/meta", [{cometd:this,action:"connect",successful:false,state:this.state()}]); - } - this._initialized=false; - dojo.publish("/cometd/meta", [{cometd:this,action:"disconnect",successful:true,state:this.state()}]); - } - - - // public extension points - - this.subscribed = function( /*String*/channel, /*Object*/message){ } - - this.unsubscribed = function(/*String*/channel, /*Object*/message){ } - - - // private methods (TODO name all with leading _) - - this.tunnelInit = function(childLocation, childDomain){ - // placeholder - replaced by _finishInit - } - - this.tunnelCollapse = function(){ - // placeholder - replaced by _finishInit - } - - this._backoff = function(){ - if(!this._advice){ - this._advice={reconnect:"retry",interval:0}; - } - else if(!this._advice.interval){ - this._advice.interval=0; - } - if(this._backoffInterval<this._backoffMax){ - this._backoffInterval+=this._backoffIncrement; - } - } - - this._backon = function(){ - this._backoffInterval=0; - } - - this._interval = function(){ - var i=this._backoffInterval+(this._advice?(this._advice.interval?this._advice.interval:0):0); - if (i>0) - console.debug("Retry in interval+backoff="+this._advice.interval+"+"+this._backoffInterval+"="+i+"ms"); - return i; - } - - this._finishInit = function(data){ - // summary: - // Handle the handshake return from the server and initialize - // connection if all is OK - data = data[0]; - this.handshakeReturn = data; - - // remember any advice - if(data["advice"]){ - this._advice = data.advice; - } - - var successful=data.successful?data.successful:false; - - // check version - if(data.version < this.minimumVersion){ - console.debug("cometd protocol version mismatch. We wanted", this.minimumVersion, "but got", data.version); - successful=false; - this._advice.reconnect="none"; - } - - // If all OK - if(successful){ - // pick a transport - this.currentTransport = this.connectionTypes.match( - data.supportedConnectionTypes, - data.version, - this._isXD - ); - // initialize the transport - this.currentTransport._cometd = this; - this.currentTransport.version = data.version; - this.clientId = data.clientId; - this.tunnelInit = dojo.hitch(this.currentTransport, "tunnelInit"); - this.tunnelCollapse = dojo.hitch(this.currentTransport, "tunnelCollapse"); - this.currentTransport.startup(data); - } - - dojo.publish("/cometd/meta", [{cometd:this,action:"handshook",successful:successful,state:this.state()}]); - - // If there is a problem - if(!successful){ - console.debug("cometd init failed"); - // follow advice - if(this._advice && this._advice["reconnect"]=="none"){ - console.debug("cometd reconnect: none"); - }else{ - setTimeout(dojo.hitch(this, "init", this.url, this._props),this._interval()); - } - } - } - - // fixme: lots of repeated code...why? - - this._extendIn = function(message){ - // Handle extensions for inbound messages - dojo.forEach(dojox.cometd._extendInList, function(f){ - message = f(message)||message; - }); - return message; - } - - this._extendOut = function(message){ - // Handle extensions for inbound messages - dojo.forEach(dojox.cometd._extendOutList, function(f){ - message = f(message)||message; - }); - return message; - } - - - this.deliver = function(messages){ - dojo.forEach(messages, this._deliver, this); - return messages; - } - - this._deliver = function(message){ - // dipatch events along the specified path - - message=this._extendIn(message); - - if(!message["channel"]){ - if(message["success"] !== true){ - console.debug("cometd error: no channel for message!", message); - return; - } - } - this.lastMessage = message; - - if(message.advice){ - this._advice = message.advice; // TODO maybe merge? - } - - // check to see if we got a /meta channel message that we care about - var deferred=null; - if( (message["channel"]) && - (message.channel.length > 5)&& - (message.channel.substr(0, 5) == "/meta")){ - // check for various meta topic actions that we need to respond to - switch(message.channel){ - case "/meta/connect": - if(message.successful && !this._connected){ - this._connected = this._initialized; - this.endBatch(); - }else if(!this._initialized){ - this._connected = false; // finish disconnect - } - dojo.publish("/cometd/meta",[{cometd:this,action:"connect",successful:message.successful,state:this.state()}]); - break; - case "/meta/subscribe": - deferred = this._deferredSubscribes[message.subscription]; - if(!message.successful){ - if(deferred){ - deferred.errback(new Error(message.error)); - } - this.currentTransport.cancelConnect(); - return; - } - dojox.cometd.subscribed(message.subscription, message); - if(deferred){ - deferred.callback(true); - } - break; - case "/meta/unsubscribe": - deferred = this._deferredUnsubscribes[message.subscription]; - if(!message.successful){ - if(deferred){ - deferred.errback(new Error(message.error)); - } - this.currentTransport.cancelConnect(); - return; - } - this.unsubscribed(message.subscription, message); - if(deferred){ - deferred.callback(true); - } - break; - default: - if(message.successful && !message.successful){ - this.currentTransport.cancelConnect(); - return; - } - } - } - - // send the message down for processing by the transport - this.currentTransport.deliver(message); - - if(message.data){ - // dispatch the message to any locally subscribed listeners - try { - var messages=[message]; - - // Determine target topic - var tname="/cometd"+message.channel; - - // Deliver to globs that apply to target topic - var tnameParts=message.channel.split("/"); - var tnameGlob="/cometd"; - for (var i=1;i<tnameParts.length-1;i++) { - dojo.publish(tnameGlob+"/**",messages); - tnameGlob+="/"+tnameParts[i]; - } - dojo.publish(tnameGlob+"/**",messages); - dojo.publish(tnameGlob+"/*",messages); - - // deliver to target topic - dojo.publish(tname,messages); - }catch(e){ - console.debug(e); - } - } - } - - this._sendMessage = function(/* object */ message){ - // console.debug(this.currentTransport, this._connected, this.batch); - // if(this.currentTransport && this._connected && !this.batch){ - if(this.currentTransport && !this.batch){ - return this.currentTransport.sendMessages([message]); - }else{ - this._messageQ.push(message); - return null; - } - } - - this.startBatch = function(){ - this.batch++; - } - - this.endBatch = function(){ - if(--this.batch <= 0 && this.currentTransport && this._connected){ - this.batch=0; - - var messages=this._messageQ; - this._messageQ=[]; - if(messages.length>0){ - this.currentTransport.sendMessages(messages); - } - } - } - - this._onUnload = function(){ - // make this the last of the onUnload method - dojo.addOnUnload(dojox.cometd,"disconnect"); - } - - this._connectTimeout = function(){ - // return the connect timeout in ms, calculated as the minimum of the advised timeout - // and the configured timeout. Else 0 to indicate no client side timeout - var _advised=0; - if (this._advice && this._advice.timeout && this.expectedNetworkDelay>0) - _advised=this._advice.timeout + this.expectedNetworkDelay; - - if (this.connectTimeout>0 && this.connectTimeout<_advised) - return this.connectTimeout; - - return 0; - } -} - -/* -transport objects MUST expose the following methods: - - check - - startup - - sendMessages - - deliver - - disconnect -optional, standard but transport dependent methods are: - - tunnelCollapse - - tunnelInit - -Transports SHOULD be namespaced under the cometd object and transports MUST -register themselves with cometd.connectionTypes - -here's a stub transport defintion: - -cometd.blahTransport = new function(){ - this._connectionType="my-polling"; - this._cometd=null; - this.lastTimestamp = null; - - this.check = function(types, version, xdomain){ - // summary: - // determines whether or not this transport is suitable given a - // list of transport types that the server supports - return dojo.lang.inArray(types, "blah"); - } - - this.startup = function(){ - if(dojox.cometd._polling){ return; } - // FIXME: fill in startup routine here - dojox.cometd._polling = true; - } - - this.sendMessages = function(message){ - // FIXME: fill in message array sending logic - } - - this.deliver = function(message){ - } - - this.disconnect = function(){ - // send orderly disconnect message - } - - this.cancelConnect = function(){ - // cancel the current connection - } -} -cometd.connectionTypes.register("blah", cometd.blahTransport.check, cometd.blahTransport); -*/ - -dojox.cometd.longPollTransport = new function(){ - this._connectionType="long-polling"; - this._cometd=null; - - this.check = function(types, version, xdomain){ - return ((!xdomain)&&(dojo.indexOf(types, "long-polling") >= 0)); - } - - this.tunnelInit = function(){ - var message = { - channel: "/meta/connect", - clientId: this._cometd.clientId, - connectionType: this._connectionType, - id: ""+this._cometd.messageId++ - }; - message=this._cometd._extendOut(message); - this.openTunnelWith({message: dojo.toJson([message])}); - } - - this.tunnelCollapse = function(){ - // TODO handle transport specific advice - - if(!this._cometd._initialized){ return; } - - if(this._cometd._advice && this._cometd._advice["reconnect"]=="none"){ - console.debug("cometd reconnect: none"); - return; - } - setTimeout(dojo.hitch(this,function(){ this._connect(); }),this._cometd._interval()); - } - - this._connect = function(){ - if(!this._cometd._initialized){ return; } - if(this._cometd._polling) { - console.debug("wait for poll to complete or fail"); - return; - } - - if((this._cometd._advice) && (this._cometd._advice["reconnect"]=="handshake")){ - this._cometd._connected=false; - this._initialized = false; - this._cometd.init(this._cometd.url,this._cometd._props); - }else if(this._cometd._connected){ - var message={ - channel: "/meta/connect", - connectionType: this._connectionType, - clientId: this._cometd.clientId, - id: ""+this._cometd.messageId++ - }; - if (this._cometd.connectTimeout>this._cometd.expectedNetworkDelay) - message.advice={timeout:(this._cometd.connectTimeout-this._cometd.expectedNetworkDelay)}; - - message=this._cometd._extendOut(message); - this.openTunnelWith({message: dojo.toJson([message])}); - } - } - - this.deliver = function(message){ - // Nothing to do - } - - this.openTunnelWith = function(content, url){ - this._cometd._polling = true; - var post = { - url: (url||this._cometd.url), - content: content, - handleAs: this._cometd.handleAs, - load: dojo.hitch(this, function(data){ - this._cometd._polling=false; - this._cometd.deliver(data); - this._cometd._backon(); - this.tunnelCollapse(); - }), - error: dojo.hitch(this, function(err){ - this._cometd._polling=false; - console.debug("tunnel opening failed:", err); - dojo.publish("/cometd/meta", [{cometd:this._cometd,action:"connect",successful:false,state:this._cometd.state()}]); - this._cometd._backoff(); - this.tunnelCollapse(); - }) - }; - - var connectTimeout=this._cometd._connectTimeout(); - if (connectTimeout>0) - post.timeout=connectTimeout; - - this._poll = dojo.xhrPost(post); - } - - this.sendMessages = function(messages){ - for(var i=0; i<messages.length; i++){ - messages[i].clientId = this._cometd.clientId; - messages[i].id = ""+this._cometd.messageId++; - messages[i]=this._cometd._extendOut(messages[i]); - } - return dojo.xhrPost({ - url: this._cometd.url||dojo.config["cometdRoot"], - handleAs: this._cometd.handleAs, - load: dojo.hitch(this._cometd, "deliver"), - error: dojo.hitch(this, function(err){ - console.debug('dropped messages: ',messages); - }), - content: { - message: dojo.toJson(messages) - } - }); - } - - this.startup = function(handshakeData){ - if(this._cometd._connected){ return; } - this.tunnelInit(); - } - - this.disconnect = function(){ - var message={ - channel: "/meta/disconnect", - clientId: this._cometd.clientId, - id: ""+this._cometd.messageId++ - }; - message=this._cometd._extendOut(message); - dojo.xhrPost({ - url: this._cometd.url||dojo.config["cometdRoot"], - handleAs: this._cometd.handleAs, - content: { - message: dojo.toJson([message]) - } - }); - } - - this.cancelConnect = function(){ - if (this._poll) { - this._poll.cancel(); - this._cometd._polling=false; - dojo.debug("tunnel opening cancelled"); - dojo.event.topic.publish("/cometd/meta", {cometd:this._cometd,action:"connect",successful:false,state:this._cometd.state(),cancel:true}); - this._cometd._backoff(); - this.disconnect(); - this.tunnelCollapse(); - } - } - -} - -dojox.cometd.callbackPollTransport = new function(){ - this._connectionType = "callback-polling"; - this._cometd = null; - - this.check = function(types, version, xdomain){ - // we handle x-domain! - return (dojo.indexOf(types, "callback-polling") >= 0); - } - - this.tunnelInit = function(){ - var message = { - channel: "/meta/connect", - clientId: this._cometd.clientId, - connectionType: this._connectionType, - id: ""+this._cometd.messageId++ - }; - message = this._cometd._extendOut(message); - this.openTunnelWith({ - message: dojo.toJson([message]) - }); - } - - this.tunnelCollapse = dojox.cometd.longPollTransport.tunnelCollapse; - this._connect = dojox.cometd.longPollTransport._connect; - this.deliver = dojox.cometd.longPollTransport.deliver; - - this.openTunnelWith = function(content, url){ - this._cometd._polling = true; - var script = { - load: dojo.hitch(this, function(data){ - this._cometd._polling=false; - this._cometd.deliver(data); - this._cometd._backon(); - this.tunnelCollapse(); - }), - error: dojo.hitch(this, function(err){ - this._cometd._polling=false; - console.debug("tunnel opening failed:", err); - dojo.publish("/cometd/meta", [{cometd:this._cometd,action:"connect",successful:false,state:this._cometd.state()}]); - this._cometd._backoff(); - this.tunnelCollapse(); - }), - url: (url||this._cometd.url), - content: content, - callbackParamName: "jsonp" - }; - var connectTimeout=this._cometd._connectTimeout(); - if (connectTimeout>0) - script.timeout=connectTimeout; - dojo.io.script.get(script); - } - - this.sendMessages = function(/*array*/ messages){ - for(var i=0; i<messages.length; i++){ - messages[i].clientId = this._cometd.clientId; - messages[i].id = ""+this._cometd.messageId++; - messages[i]=this._cometd._extendOut(messages[i]); - } - var bindArgs = { - url: this._cometd.url||dojo.config["cometdRoot"], - load: dojo.hitch(this._cometd, "deliver"), - callbackParamName: "jsonp", - content: { message: dojo.toJson( messages ) } - }; - return dojo.io.script.get(bindArgs); - } - - this.startup = function(handshakeData){ - if(this._cometd._connected){ return; } - this.tunnelInit(); - } - - this.disconnect = dojox.cometd.longPollTransport.disconnect; - - this.disconnect = function(){ - var message={ - channel:"/meta/disconnect", - clientId:this._cometd.clientId, - id:""+this._cometd.messageId++ - }; - message=this._cometd._extendOut(message); - dojo.io.script.get({ - url: this._cometd.url||dojo.config["cometdRoot"], - callbackParamName: "jsonp", - content: { - message: dojo.toJson([message]) - } - }); - } - - this.cancelConnect = function(){} -} -dojox.cometd.connectionTypes.register("long-polling", dojox.cometd.longPollTransport.check, dojox.cometd.longPollTransport); -dojox.cometd.connectionTypes.register("callback-polling", dojox.cometd.callbackPollTransport.check, dojox.cometd.callbackPollTransport); - -dojo.addOnUnload(dojox.cometd,"_onUnload"); - -} diff --git a/includes/js/dojox/cometd/timestamp.js b/includes/js/dojox/cometd/timestamp.js deleted file mode 100644 index a5b8033..0000000 --- a/includes/js/dojox/cometd/timestamp.js +++ /dev/null @@ -1,9 +0,0 @@ -if(!dojo._hasResource["dojox.cometd.timestamp"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.cometd.timestamp"] = true; -dojo.provide("dojox.cometd.timestamp"); -dojo.require("dojox.cometd"); - -// A cometd extension that adds a timestamp to every message -dojox.cometd._extendOutList.push(function(msg){msg.timestamp=new Date().toUTCString();return msg}); - -} diff --git a/includes/js/dojox/cometd/timesync.js b/includes/js/dojox/cometd/timesync.js deleted file mode 100644 index 44ef241..0000000 --- a/includes/js/dojox/cometd/timesync.js +++ /dev/null @@ -1,126 +0,0 @@ -if(!dojo._hasResource["dojox.cometd.timesync"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. -dojo._hasResource["dojox.cometd.timesync"] = true; -dojo.provide("dojox.cometd.timesync"); -dojo.require("dojox.cometd"); - -/** - * this file provides the time synchronization extension to cometd. - * Timesync allows the client and server to exchange time information on every - * handshake and connect message so that the client may calculate an approximate - * offset from it's own clock epoch to that of the server. - * - * With each handshake or connect, the extension sends timestamps within the - * ext field like: {ext:{timesync:{tc:12345567890},...},...} - * where ts is the timestamp in ms since 1970 of when the message was sent. - * - * A cometd server that supports timesync, should respond with and ext field - * like: {ext:{timesync:{tc:12345567890,ts:1234567900,p:123},...},...} - * where ts is the timestamp sent by the client, te is the timestamp on the server - * of when the message was received and p is the poll duration in ms - ie the - * time the server took before sending the response. - * - * On receipt of the response, the client is able to use current time to determine - * the total trip time, from which p is subtracted to determine an approximate - * two way network traversal time. The assumption is made that the network is - * symmetric for traversal time, so the offset between the two clocks is - * ts-tc-(now-tc-p)/2. In practise networks (and the cometd client/server software) - * is never perfectly symmetric, so accuracy is limited by the difference, which - * can be 10s of milliseconds. - * - * In order to smooth over any transient fluctuations, the extension keeps a sliding - * average of the offsets received. By default this is over 10 messages, but this can - * be changed with the dojox.cometd.timesync._window element. - */ -dojox.cometd.timesync= new function(){ - - this._window=10;// The window size for the sliding average of offset samples. - this._minWindow=4;// The window size for the sliding average of offset samples. - this._offsets=new Array(); // The samples used to calculate the average offset. - this.offset=0; // The offset in ms between the clients clock and the servers clock. Add this to the local - // time epoch to obtain server time. - this.samples=0; // The number of samples used to calculate the offset. If 0, the offset is not valid. - - this.getServerTime=function(){ // return: long - // Summary: - // Calculate the current time on the server - // - return new Date().getTime()+this.offset; - } - - this.getServerDate=function(){ // return: Date - // Summary: - // Calculate the current time on the server - // - return new Date(this.getServerTime()); - } - - this.setTimeout=function(/*function*/call,/*long|Date*/atTimeOrDate){ - // Summary: - // Set a timeout function relative to server time - // call: - // the function to call when the timeout occurs - // atTimeOrTime: - // a long timestamp or a Date representing the server time at - // which the timeout should occur. - - var ts=(atTimeOrDate instanceof Date)?atTimeOrDate.getTime():(0+atTimeOrDate); - var tc=ts-this.offset; - var interval=tc-new Date().getTime(); - if (interval<=0) - interval=1; - return setTimeout(call,interval); - } - - this._in=function(/*Object*/msg){ - // Summary: - // Handle incoming messages for the timesync extension. - // description: - // Look for ext:{timesync:{}} field and calculate offset if present. - // msg: - // The incoming bayeux message - - var channel=msg.channel; - if (channel && channel.indexOf('/meta/')==0){ - if (msg.ext && msg.ext.timesync){ - var sync=msg.ext.timesync; - var now=new Date().getTime(); - - this._offsets.push(sync.ts-sync.tc-(now-sync.tc-sync.p)/2); - if (this._offsets.length>this._window) - this._offsets.shift(); - this.samples++; - var total=0; - for (var i in this._offsets) - total+=this._offsets[i]; - this.offset=parseInt((total/this._offsets.length).toFixed()); - - if (this.samples<this._minWindow) - setTimeout(dojox._scopeName + ".cometd.publish('/meta/ping',null)",100); - } - } - return msg; - } - - this._out=function(msg){ - // Summary: - // Handle outgoing messages for the timesync extension. - // description: - // Look for handshake and connect messages and add the ext:{timesync:{}} fields - // msg: - // The outgoing bayeux message - - var channel=msg.channel; - if (channel && channel.indexOf('/meta/')==0){ - var now=new Date().getTime(); - if (!msg.ext) - msg.ext={}; - msg.ext.timesync={tc: now}; - } - return msg; - } -}; - -dojox.cometd._extendInList.push(dojo.hitch(dojox.cometd.timesync,"_in")); -dojox.cometd._extendOutList.push(dojo.hitch(dojox.cometd.timesync,"_out")); - -} |