1 files changed, 38 insertions, 0 deletions
diff --git a/js/dojo-1.6/dojox/rpc/Client.xd.js b/js/dojo-1.6/dojox/rpc/Client.xd.js
new file mode 100644
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+++ b/js/dojo-1.6/dojox/rpc/Client.xd.js
@@ -0,0 +1,38 @@
+/*
+	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.rpc.Client"]],
+defineResource: function(dojo, dijit, dojox){if(!dojo._hasResource["dojox.rpc.Client"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.rpc.Client"] = true;
+dojo.provide("dojox.rpc.Client");
+
+
+// Provide extra headers for robust client and server communication
+(function() {
+	dojo._defaultXhr = dojo.xhr;
+	dojo.xhr = function(method,args){
+		var headers = args.headers = args.headers || {};
+		// set the client id, this can be used by servers to maintain state information with the
+		// a specific client. Many servers rely on sessions for this, but sessions are shared
+		// between tabs/windows, so this is not appropriate for application state, it
+		// really only useful for storing user authentication
+		headers["Client-Id"] = dojox.rpc.Client.clientId;
+		// set the sequence id. HTTP is non-deterministic, message can arrive at the server
+		// out of order. In complex Ajax applications, it may be more to ensure that messages
+		// can be properly sequenced deterministically. This applies a sequency id to each
+		// XHR request so that the server can order them.
+		headers["Seq-Id"] = dojox._reqSeqId = (dojox._reqSeqId||0)+1;
+		return dojo._defaultXhr.apply(dojo,arguments);
+	}
+})();
+// initiate the client id to a good random number
+dojox.rpc.Client.clientId = (Math.random() + '').substring(2,14) + (new Date().getTime() + '').substring(8,13);
+
+}
+
+}};});