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/*
Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
dojo._xdResourceLoaded(function(dojo, dijit, dojox){
return {depends: [["provide", "dojox.socket.Reconnect"]],
defineResource: function(dojo, dijit, dojox){if(!dojo._hasResource["dojox.socket.Reconnect"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.socket.Reconnect"] = true;
dojo.provide("dojox.socket.Reconnect");
dojox.socket.Reconnect = function(socket, options){
// summary:
// Provides auto-reconnection to a websocket after it has been closed
// socket:
// Socket to add reconnection support to.
// returns:
// An object that implements the WebSocket API
// example:
// You can use the Reconnect module:
// | dojo.require("dojox.socket");
// | dojo.require("dojox.socket.Reconnect");
// | var socket = dojox.socket({url:"/comet"});
// | // add auto-reconnect support
// | socket = dojox.socket.Reconnect(socket);
options = options || {};
var reconnectTime = options.reconnectTime || 10000;
var connectHandle = dojo.connect(socket, "onclose", function(event){
clearTimeout(checkForOpen);
if(!event.wasClean){
socket.disconnected(function(){
dojox.socket.replace(socket, socket.reconnect());
});
}
});
var checkForOpen, newSocket;
if(!socket.disconnected){
// add a default impl if it doesn't exist
socket.disconnected = function(reconnect){
setTimeout(function(){
reconnect();
checkForOpen = setTimeout(function(){
//reset the backoff
if(newSocket.readyState < 2){
reconnectTime = options.reconnectTime || 10000;
}
}, 10000);
}, reconnectTime);
// backoff each time
reconnectTime *= options.backoffRate || 2;
};
}
if(!socket.reconnect){
// add a default impl if it doesn't exist
socket.reconnect = function(){
return socket.args ?
dojox.socket.LongPoll(socket.args) :
dojox.socket(socket.URL);
};
}
return socket;
};
}
}};});
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