1 files changed, 91 insertions, 0 deletions
diff --git a/js/demo/Ice/latency/Client.js b/js/demo/Ice/latency/Client.js
new file mode 100644
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+++ b/js/demo/Ice/latency/Client.js
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+// **********************************************************************
+//
+// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+(function(){
+
+require("Ice");
+require("./Latency");
+
+var communicator;
+
+//
+// Asynchronous loop, each call to the given function returns a
+// promise that when fulfilled runs the next iteration.
+//    
+function loop(fn, repetitions)
+{
+    var i = 0;
+    var next = function() 
+    {
+        if(i++ < repetitions)
+        {
+            return fn.call().then(next);
+        }
+    };
+    return next();
+}
+
+Ice.Promise.try(
+    function()
+    {
+        //
+        // Initialize the communicator and create a proxy to the 
+        // ping object.
+        //
+        communicator = Ice.initialize();
+        var repetitions = 10000;
+        var proxy = communicator.stringToProxy("ping:default -p 10000");
+        
+        //
+        // Down-cast the proxy to the Demo.Ping interface.
+        //
+        return Demo.PingPrx.checkedCast(proxy).then(
+            function(obj)
+            {
+                console.log("pinging server " + repetitions + " times (this may take a while)");
+                start = new Date().getTime();
+                return loop(
+                    function() 
+                    {
+                        return obj.ice_ping();
+                    },
+                    repetitions
+                ).then(
+                    function()
+                    {
+                        //
+                        // Write the results.
+                        //
+                        total = new Date().getTime() - start;
+                        console.log("time for " + repetitions + " pings: " + total + "ms");
+                        console.log("time per ping: " + (total / repetitions) + "ms");
+                    });
+            });
+    }
+).finally(
+    function()
+    {
+        //
+        // Destroy the communicator if required.
+        //
+        if(communicator)
+        {
+            return communicator.destroy();
+        }
+    }
+).exception(
+    function(ex)
+    {
+        //
+        // Handle any exceptions above.
+        //
+        console.log(ex.toString());
+        process.exit(1);
+    });
+}());