public static HttpSettings Parse(params object[] args)
{
if (args.Length == 0)
return null;
dynamic instance = new HttpSettings();
var namedArgs = GetNamedArgs(args);
foreach (var namedArg in namedArgs)
{
instance[namedArg.Item1] = namedArg.Item2;
}
return instance;
}
private void ConcurrentExecute(HttpSettings setting, ConcurrentBag<HttpResult> results)
{
_requestTimes = setting.Times;
var echoCount = setting.Times / 10;
Console.WriteLine("Benchmarking {0}", setting.Url);
if(setting.Warmup > 0)
{
Console.WriteLine(" warmup {0} requests", setting.Warmup);
for (int i = 0; i < setting.Warmup; i++)
{
HttpGet(setting);
}
}
Console.WriteLine("");
var threads = new List<Thread>();
var wait = new AutoResetEvent(false);
for (var c = 0; c < setting.Concurrent; c++)
{
threads.Add(new Thread(() =>
{
while (_requestTimes > 0)
{
Interlocked.Decrement(ref _requestTimes);
if (setting.WaitMilliseconds > 0)
Thread.Sleep(setting.WaitMilliseconds);
var result = HttpGet(setting);
results.Add(result);
var requestedCount = results.Count;
if (echoCount >= 2 && requestedCount % echoCount == 0)
Console.WriteLine("Completed {0} requests", requestedCount);
}
if (results.Count >= setting.Times && _requestTimes <= 0)
{
wait.Set();
}
}));
}
threads.AsParallel().ForAll(t => t.Start());
wait.WaitOne();
Console.WriteLine("");
}
public IEnumerable<HttpResult> Execute(HttpSettings setting)
{
if (setting == null)
throw new ArgumentNullException("setting");
if (!string.IsNullOrWhiteSpace(setting.BasicAuthentication))
{
var account = setting.BasicAuthentication.Split(':');
var credential = new NetworkCredential(account[0], account[1]);
_credentialCache = new CredentialCache { { setting.Url, "Basic", credential } };
}
var results = new ConcurrentBag<HttpResult>();
ConcurrentExecute(setting, results);
return results;
}
private HttpResult HttpGet(HttpSettings setting)
{
if (setting == null)
{
throw new ArgumentNullException("setting");
}
var result = new HttpResult {
ManagedThreadId = Thread.CurrentThread.ManagedThreadId, Start = DateTime.Now
};
var sw = new Stopwatch();
sw.Start();
var request = (HttpWebRequest)WebRequest.Create(setting.Url);
request.Method = "GET";
request.PreAuthenticate = true;
request.UserAgent = _userAgent;
if (_credentialCache != null)
{
request.Credentials = _credentialCache;
}
try
{
var response = (HttpWebResponse)request.GetResponse();
result.Status = (int)response.StatusCode;
result.TransferLength = ResponseBytes(response);
}
catch (WebException we)
{
var response = we.Response as HttpWebResponse;
if (response != null)
{
result.Status = (int)response.StatusCode;
result.TransferLength = ResponseBytes(response);
}
}
sw.Stop();
result.ElapsedMilliseconds = sw.ElapsedMilliseconds;
result.End = DateTime.Now;
return(result);
}
public IEnumerable <HttpResult> Execute(HttpSettings setting)
{
if (setting == null)
{
throw new ArgumentNullException("setting");
}
if (!string.IsNullOrWhiteSpace(setting.BasicAuthentication))
{
var account = setting.BasicAuthentication.Split(':');
var credential = new NetworkCredential(account[0], account[1]);
_credentialCache = new CredentialCache {
{ setting.Url, "Basic", credential }
};
}
var results = new ConcurrentBag <HttpResult>();
ConcurrentExecute(setting, results);
return(results);
}
static void PrintResults(HttpSettings setting, IEnumerable<HttpResult> results)
{
if (setting == null)
throw new ArgumentNullException("setting");
if (results == null)
throw new ArgumentNullException("results");
var totalElapsed = results.Sum(r => r.ElapsedMilliseconds);
var totalTransferred = results.Sum(r => r.TransferLength);
var totalTime = (results.Max(r => r.End) - results.Min(r => r.Start)).TotalMilliseconds;
Console.WriteLine("Concurrent level:\t{0:N0}", setting.Concurrent);
Console.WriteLine("Time taken for tests:\t{0:F3} seconds", totalTime / 1000);
Console.WriteLine("Complete requests:\t{0:N0}", results.Count(r => r.Status == 200));
Console.WriteLine("Failed requests:\t{0:N0}", results.Count(r => r.Status != 200));
Console.WriteLine("Total transferred:\t{0:N0} bytes", results.Sum(r => r.TransferLength));
var requestPerSec = 1000.0 / ((double)totalTime / results.Count());
var timePerSec = (double)totalTime / results.Count();
Console.WriteLine("Request per second:\t{0:F3} (#/sec)", requestPerSec);
Console.WriteLine("Time per request:\t{0:F3} [ms]", timePerSec);
Console.WriteLine("Transfer rate: \t{0:F2} [Kbytes/sec] received", ((double)totalTransferred / 1024) / ((double)totalTime / 1000.0));
Console.WriteLine("");
var elapseds = (from r in results
group r by r.ElapsedMilliseconds
into timeGroup
select new
{
ElapsedMilliseconds = timeGroup.Key,
Percent = (double) timeGroup.Count()/setting.Times
} as dynamic
).OrderBy(e => e.ElapsedMilliseconds);
Console.WriteLine(" fastest:\t{0} ms", elapseds.Min(e => (long)e.ElapsedMilliseconds));
Console.WriteLine(" average:\t{0} ms", (long)elapseds.Average(e => (long)e.ElapsedMilliseconds));
Console.WriteLine(" longest:\t{0} ms", elapseds.Max(e => (long)e.ElapsedMilliseconds));
Console.WriteLine("");
Console.WriteLine("Percentage of the requests (ms)");
Console.WriteLine("");
var percents = new List<dynamic>();
percents.AddRange(elapseds);
if (elapseds.Count() > 10)
{
var totalPercents = 0.0;
var sectionPoint = 0.5;
percents.Clear();
foreach (var elapsed in elapseds)
{
totalPercents += elapsed.Percent;
if (totalPercents >= sectionPoint || elapsed == elapseds.Last())
{
dynamic p = new ExpandoObject();
p.ElapsedMilliseconds = elapsed.ElapsedMilliseconds;
p.Percent = totalPercents;
percents.Add(p);
sectionPoint += 0.05;
}
}
}
foreach (var elapsed in percents.OrderBy(e => e.ElapsedMilliseconds))
{
Console.WriteLine(" {0:0#.#0} %:\t{1} ms", elapsed.Percent * 100, elapsed.ElapsedMilliseconds);
}
#if DEBUG
var managedThreads = results.Select(r => r.ManagedThreadId)
.Distinct()
.OrderBy(t => t)
.Select(t => t.ToString());
var ids = string.Join(", ", managedThreads);
//if (ids.Length > 80)
// ids = ids.Substring(0, 80) + "...";
Console.WriteLine("");
Console.WriteLine("Managed Threads:\t{0}\n {1}", managedThreads.Count(), ids);
#endif
}
private HttpResult HttpGet(HttpSettings setting)
{
if (setting == null)
throw new ArgumentNullException("setting");
var result = new HttpResult { ManagedThreadId = Thread.CurrentThread.ManagedThreadId, Start = DateTime.Now };
var sw = new Stopwatch();
sw.Start();
var request = (HttpWebRequest)WebRequest.Create(setting.Url);
request.Method = "GET";
request.PreAuthenticate = true;
request.UserAgent = _userAgent;
if (_credentialCache != null)
{
request.Credentials = _credentialCache;
}
try
{
var response = (HttpWebResponse)request.GetResponse();
result.Status = (int)response.StatusCode;
result.TransferLength = ResponseBytes(response);
}
catch (WebException we)
{
var response = we.Response as HttpWebResponse;
if (response != null)
{
result.Status = (int)response.StatusCode;
result.TransferLength = ResponseBytes(response);
}
}
sw.Stop();
result.ElapsedMilliseconds = sw.ElapsedMilliseconds;
result.End = DateTime.Now;
return result;
}
static void PrintResults(HttpSettings setting, IEnumerable <HttpResult> results)
{
if (setting == null)
{
throw new ArgumentNullException("setting");
}
if (results == null)
{
throw new ArgumentNullException("results");
}
var totalElapsed = results.Sum(r => r.ElapsedMilliseconds);
var totalTransferred = results.Sum(r => r.TransferLength);
var totalTime = (results.Max(r => r.End) - results.Min(r => r.Start)).TotalMilliseconds;
Console.WriteLine("Concurrent level:\t{0:N0}", setting.Concurrent);
Console.WriteLine("Time taken for tests:\t{0:F3} seconds", totalTime / 1000);
Console.WriteLine("Complete requests:\t{0:N0}", results.Count(r => r.Status == 200));
Console.WriteLine("Failed requests:\t{0:N0}", results.Count(r => r.Status != 200));
Console.WriteLine("Total transferred:\t{0:N0} bytes", results.Sum(r => r.TransferLength));
var requestPerSec = 1000.0 / ((double)totalTime / results.Count());
var timePerSec = (double)totalTime / results.Count();
Console.WriteLine("Request per second:\t{0:F3} (#/sec)", requestPerSec);
Console.WriteLine("Time per request:\t{0:F3} [ms]", timePerSec);
Console.WriteLine("Transfer rate: \t{0:F2} [Kbytes/sec] received", ((double)totalTransferred / 1024) / ((double)totalTime / 1000.0));
Console.WriteLine("");
var elapseds = (from r in results
group r by r.ElapsedMilliseconds
into timeGroup
select new
{
ElapsedMilliseconds = timeGroup.Key,
Percent = (double)timeGroup.Count() / setting.Times
} as dynamic
).OrderBy(e => e.ElapsedMilliseconds);
Console.WriteLine(" fastest:\t{0} ms", elapseds.Min(e => (long)e.ElapsedMilliseconds));
Console.WriteLine(" average:\t{0} ms", (long)elapseds.Average(e => (long)e.ElapsedMilliseconds));
Console.WriteLine(" longest:\t{0} ms", elapseds.Max(e => (long)e.ElapsedMilliseconds));
Console.WriteLine("");
Console.WriteLine("Percentage of the requests (ms)");
Console.WriteLine("");
var percents = new List <dynamic>();
percents.AddRange(elapseds);
if (elapseds.Count() > 10)
{
var totalPercents = 0.0;
var sectionPoint = 0.5;
percents.Clear();
foreach (var elapsed in elapseds)
{
totalPercents += elapsed.Percent;
if (totalPercents >= sectionPoint || elapsed == elapseds.Last())
{
dynamic p = new ExpandoObject();
p.ElapsedMilliseconds = elapsed.ElapsedMilliseconds;
p.Percent = totalPercents;
percents.Add(p);
sectionPoint += 0.05;
}
}
}
foreach (var elapsed in percents.OrderBy(e => e.ElapsedMilliseconds))
{
Console.WriteLine(" {0:0#.#0} %:\t{1} ms", elapsed.Percent * 100, elapsed.ElapsedMilliseconds);
}
#if DEBUG
var managedThreads = results.Select(r => r.ManagedThreadId)
.Distinct()
.OrderBy(t => t)
.Select(t => t.ToString());
var ids = string.Join(", ", managedThreads);
//if (ids.Length > 80)
// ids = ids.Substring(0, 80) + "...";
Console.WriteLine("");
Console.WriteLine("Managed Threads:\t{0}\n {1}", managedThreads.Count(), ids);
#endif
}
static void PrintHelp()
{
Console.WriteLine("Usage: hb [options] [http://]hostname[:port]/path");
Console.WriteLine("Options are:");
Console.WriteLine(HttpSettings.GetHelp());
}
