private async void ButtonAsync_Click(object sender, EventArgs e)
{
Progress <ProgressReportModel> progress = new Progress <ProgressReportModel>();
progress.ProgressChanged += ReportProgress;
var watch = System.Diagnostics.Stopwatch.StartNew();
if (cts != null)
{
cts.Dispose();
}
cts = new CancellationTokenSource();
try
{
var results = await RunDownloadAsync(progress, cts.Token);
PrintResults(results);
}
catch (OperationCanceledException)
{
TextBoxResult.AppendLine($"The async download was canceled.");
}
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
Application.DoEvents();
TextBoxResult.AppendLine($"Total execution time: {elapsedMs}");
}
private void PrintResults(List <WebSiteDataModel> results)
{
TextBoxResult.Text = "";
foreach (var item in results)
{
TextBoxResult.AppendLine($"{item.WebsiteUrl} downloaded: {item.WebsiteData.Length} characters long.");
}
}
private async void ButtonParallel_Click(object sender, EventArgs e)
{
var watch = System.Diagnostics.Stopwatch.StartNew();
await RunDownloadParallelAsync();
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
TextBoxResult.AppendLine($"Total execution time: {elapsedMs}");
}
private void ButtonNormal_Click(object sender, System.EventArgs e)
{
var watch = System.Diagnostics.Stopwatch.StartNew();
RunDownloadSync();
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
TextBoxResult.AppendLine($"Total execution time: {elapsedMs}");
}
private async void ButtonParallel2_Click(object sender, EventArgs e)
{
Progress <ProgressReportModel> progress = new Progress <ProgressReportModel>();
progress.ProgressChanged += ReportProgress;
var watch = System.Diagnostics.Stopwatch.StartNew();
var results = await RunDownloadParallelAsync2(progress);
PrintResults(results);
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
TextBoxResult.AppendLine($"Total execution time: {elapsedMs}");
}
private void ReportWebsiteInfo(WebSiteDataModel data)
{
TextBoxResult.AppendLine($"{data.WebsiteUrl} downloaded: {data.WebsiteData.Length} characters long.");
}
private async Task ProcessCards(List <string> cards, IProgress <int> progress = null)
{
//int i = 1;
using var semaphore = new SemaphoreSlim(500);
var tasks = new List <Task <HttpResponseMessage> >();
var tasksResolved = 0;
tasks = cards.Select(async card =>
{
var json = JsonConvert.SerializeObject(card);
var content = new StringContent(json, Encoding.UTF8, "application/json");
await semaphore.WaitAsync();
try
{
//TextBoxResult.Invoke(new Action(delegate
//{
// if (i % 100 == 0)
// TextBoxResult.AppendLine($"SemaphoreSlim : {i}");
// i++;
//}));
var internalTask = await httpClient.PostAsync($"{apiURL}/cards", content);
if (progress != null)
{
tasksResolved++;
var percentage = (double)tasksResolved / cards.Count;
percentage *= 100;
var percentageInt = (int)Math.Round(percentage, 0);
progress.Report(percentageInt);
}
return(internalTask);
}
finally
{
semaphore.Release();
}
}).ToList();
var responses = await Task.WhenAll(tasks);
var rejectedCards = new List <string>();
foreach (var response in responses)
{
var content = await response.Content.ReadAsStringAsync();
var responseCard = JsonConvert.DeserializeObject <CardResponse>(content);
if (!responseCard.Approved)
{
rejectedCards.Add(responseCard.Card);
}
}
//int i = 1;
//ProgressBarCards.Maximum = rejectedCards.Count;
foreach (var card in rejectedCards)
{
TextBoxResult.AppendLine($"Card {card} was rejected");
Thread.Sleep(1);
//Application.DoEvents();
//ProgressBarCards.Value = i;
//i++;
}
//var tasks = new List<Task<HttpResponseMessage>>();
//await Task.Run(() =>
//{
// foreach (var card in cards)
// {
// var json = JsonConvert.SerializeObject(card);
// var content = new StringContent(json, Encoding.UTF8, "application/json");
// var responseTask = httpClient.PostAsync($"{apiURL}/cards", content);
// tasks.Add(responseTask);
// }
//});
//await Task.WhenAll(tasks);
}