/// <summary>
/// Test latency (ping) to server
/// </summary>
/// <returns>Latency in milliseconds (ms)</returns>
public async Task <int> TestServerLatencyAsync(Server server, int retryCount = 3)
{
var latencyUri = CreateTestUrl(server, "latency.txt");
var timer = new Stopwatch();
for (var i = 0; i < retryCount; i++)
{
string testString;
try
{
timer.Start();
testString = await SpeedTestWebClient.client.GetAsync(SpeedTestWebClient.AddTimeStamp(new Uri(latencyUri)), HttpCompletionOption.ResponseHeadersRead).GetAwaiter().GetResult().Content.ReadAsStringAsync();
}
catch (WebException)
{
continue;
}
finally
{
timer.Stop();
}
if (!testString.StartsWith("test=test"))
{
throw new InvalidOperationException("Server returned incorrect test string for latency.txt");
}
}
return((int)timer.ElapsedMilliseconds / retryCount);
}
/// <summary>
/// Test download speed to server
/// </summary>
/// <returns>Download speed in Kbps</returns>
public double TestDownloadSpeed(Server server, int simultaniousDownloads = 2, int retryCount = 2)
{
var testData = GenerateDownloadUrls(server, retryCount);
return(TestSpeed(testData, async(url) =>
{
var data = await SpeedTestWebClient.client.GetAsync(SpeedTestWebClient.AddTimeStamp(new Uri(url)), HttpCompletionOption.ResponseHeadersRead).GetAwaiter().GetResult().Content.ReadAsStringAsync();
return data.Length;
}, simultaniousDownloads));
}