cs/demo/Ice/latency/Client.cs

   1 // **********************************************************************
   2 //
   3 // Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
   4 //
   5 // This copy of Ice is licensed to you under the terms described in the
   6 // ICE_LICENSE file included in this distribution.
   7 //
   8 // **********************************************************************
   9
  10 using Demo;
  11 using System;
  12 using System.Reflection;
  13
  14 [assembly: CLSCompliant(true)]
  15
  16 [assembly: AssemblyTitle("IceLatencyClient")]
  17 [assembly: AssemblyDescription("Ice latency demo client")]
  18 [assembly: AssemblyCompany("ZeroC, Inc.")]
  19
  20 public class Client
  21 {
  22     public class App : Ice.Application
  23     {
  24         public override int run(string[] args)
  25         {
  26             if(args.Length > 0)
  27             {
  28                 Console.Error.WriteLine(appName() + ": too many arguments");
  29                 return 1;
  30             }
  31
  32             PingPrx ping = PingPrxHelper.checkedCast(communicator().propertyToProxy("Ping.Proxy"));
  33             if(ping == null)
  34             {
  35                 Console.Error.WriteLine("invalid proxy");
  36                 return 1;
  37             }
  38
  39             //
  40             // A method needs to be invoked thousands of times before the JIT compiler
  41             // will convert it to native code. To ensure an accurate latency measurement,
  42             // we need to "warm up" the JIT compiler.
  43             //
  44             {
  45                 int reps = 20000;
  46                 Console.Error.Write("warming up the JIT compiler...");
  47                 Console.Error.Flush();
  48                 for(int i = 0; i < reps; i++)
  49                 {
  50                     ping.ice_ping();
  51                 }
  52                 Console.Error.WriteLine("ok");
  53             }
  54
  55             DateTime tv1 = DateTime.Now;
  56             int repetitions = 100000;
  57             Console.Out.WriteLine("pinging server " + repetitions + " times (this may take a while)");
  58             for (int i = 0; i < repetitions; i++)
  59             {
  60                 ping.ice_ping();
  61             }
  62
  63             double total = (double)(DateTime.Now - tv1).TotalMilliseconds;
  64             double perPing = total / repetitions;
  65
  66             Console.Out.WriteLine("time for " + repetitions + " pings: " + total + "ms");
  67             Console.Out.WriteLine("time per ping: " + perPing + "ms");
  68
  69             return 0;
  70         }
  71     }
  72
  73     public static int Main(string[] args)
  74     {
  75         App app = new App();
  76         return app.main(args, "config.client");
  77     }
  78 }