/// <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)); }