/// <summary>
/// Initializes a new instance of the <see cref="ReplayFilerRunnerResult"/> class.
/// </summary>
/// <param name="description">The description, from the replay file.</param>
/// <param name="baseUri">The base URI.</param>
/// <param name="uri">The relative URI.</param>
/// <param name="iterations">The number of iterations performed.</param>
/// <param name="concurrentRequests">The number of concurrent requests performed.</param>
/// <param name="lastStatusCode">The last status code observed.</param>
/// <param name="lastResponseBodySize">The last size of the response body observed.</param>
/// <param name="lastResponseBodyChecksum">The last response body checksum observed.</param>
/// <param name="responseTimeStats">The response time statistics</param>
/// <param name="requestsPerSec">The number of requests per second.</param>
/// <param name="testStartTime">The approximate timestamp when the first iteration started.</param>
/// <param name="testEndTime">The approximate timestamp when all iterations finished.</param>
public ReplayFilerRunnerResult(
string description,
string baseUri,
string uri,
int iterations,
int concurrentRequests,
int lastStatusCode,
long lastResponseBodySize,
string lastResponseBodyChecksum,
PercentileStats<TimeSpan> responseTimeStats,
double requestsPerSec,
DateTimeOffset testStartTime,
DateTimeOffset testEndTime)
{
this.responseTimeStats = responseTimeStats;
this.Description = description;
this.BaseUri = baseUri;
this.Uri = uri;
this.Iterations = iterations;
this.ConcurrentRequests = concurrentRequests;
this.LastStatusCode = lastStatusCode;
this.LastResponseBodySize = lastResponseBodySize;
this.LastResponseBodyChecksum = lastResponseBodyChecksum;
this.RequestsPerSec = requestsPerSec;
this.TestStartTime = testStartTime;
this.TestEndTime = testEndTime;
}
/// <summary>
/// Asynchronously runs the specified replay file.
/// </summary>
/// <param name="replayFile">The replay file.</param>
/// <param name="callback">The callback to call at the completion of each of the request in the replay file..</param>
/// <param name="uriRunnerOptions">The options for the uri runner.</param>
/// <param name="iterations">The iterations.</param>
/// <param name="concurrentRequests">The number of concurrent requests to execute.</param>
/// <returns>The list of the results.</returns>
public static async Task RunReplayFileAsync(
ReplayFile replayFile,
Action<ReplayFilerRunnerResult> callback,
UriRunnerOptions uriRunnerOptions,
int iterations = 1,
int concurrentRequests = 1)
{
var consoleWriteLine = StringWriterFuns.ConsoleWriter();
using (var handler = new HttpClientHandler())
using (var client = new HttpClient(handler))
{
handler.AllowAutoRedirect = true;
handler.AutomaticDecompression = DecompressionMethods.None;
handler.UseProxy = true;
// Need to set this to false to make sure the http client does not
// mess around with our own cookies.
handler.UseCookies = false;
client.BaseAddress = new Uri(replayFile.BaseUri);
foreach (var header in replayFile.Headers)
{
if (!client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value))
{
consoleWriteLine("Failed to add header: {0} = {1}", header.Key, header.Value);
}
}
foreach (var uri in replayFile.Uris)
{
var sw = new Stopwatch();
var numberOfRequests = iterations * concurrentRequests;
var allResults = new List<UriRunnerResult>(capacity: numberOfRequests);
var startTimeUtc = DateTimeOffset.UtcNow;
// Exec same URI with the specified concurrency level
var uris = Enumerable.Repeat(uri, concurrentRequests).ToArray();
for (var i = 0; i < iterations; i++)
{
sw.Start();
var runUrisResults = await UriRunner.RunUrisConcurrentlyAsync(
client: client,
uris: uris,
uriRunnerOptions: uriRunnerOptions);
sw.Stop();
allResults.AddRange(runUrisResults);
}
var endTimeUtc = DateTimeOffset.UtcNow;
var requestsPerSec = (double)numberOfRequests / sw.Elapsed.TotalSeconds;
var responseTimes = allResults.Select(r => r.ResponseTime);
var percentiles = new PercentileStats<TimeSpan>(responseTimes);
var lastResult = allResults.Last();
var reportLine = new ReplayFilerRunnerResult(
iterations: iterations,
concurrentRequests: concurrentRequests,
lastStatusCode: (int)lastResult.StatusCode,
lastResponseBodySize: lastResult.BodySize,
lastResponseBodyChecksum: lastResult.BodyChecksum,
responseTimeStats: percentiles,
description: replayFile.Description,
baseUri: replayFile.BaseUri,
uri: uri,
requestsPerSec: requestsPerSec,
testStartTime: startTimeUtc,
testEndTime: endTimeUtc);
if (callback != null)
{
callback(reportLine);
}
}
}
}