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// **********************************************************************
//
// Copyright (c) 2003-2015 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.
//
// **********************************************************************
var Ice = require("icejs").Ice;
var Demo = require("./Latency").Demo;
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(process.argv);
var repetitions = 1000;
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)");
var start = new Date().getTime();
return loop(
function()
{
return obj.ice_ping();
},
repetitions
).then(
function()
{
//
// Write the results.
//
var 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);
});
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