static async Task Main(string[] args)
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
using var channel = GrpcChannel.ForAddress("http://localhost:5000");
var client = new StockMarketServiceClient(channel);
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(5));
using var replies = client.GetStockMarketStream(new StockStreamRequest(), cancellationToken: cts.Token);
try
{
await foreach (var stockData in replies.ResponseStream.ReadAllAsync(cancellationToken: cts.Token))
{
PrintStockInfo(stockData);
}
}
catch
{
replies.Dispose();
Console.WriteLine("Stream cancelled.");
}
Console.WriteLine("Press a key to exit");
Console.ReadKey();
}
public HomePage()
{
InitializeComponent();
chartPicker.SelectedIndexChanged += chartPicker_SelectedIndexChanged;
StartButton.Clicked += StartButton_Clicked;
StopButton.Clicked += StopButton_Clicked;
ShowSplineSwitch.Toggled += ShowSplineSwitch_Toggled;
_client = new StockMarketServiceClient();
chart.ItemSource = _data = new StockMarketDataSample();
foreach (var chartType in Enum.GetValues(typeof(PriceDisplayType)))
{
chartPicker.Items.Add(chartType.ToString());
}
chartPicker.SelectedIndex = 0;
}
public StockMarketStreamHub(StockMarketServiceClient client, IDispatchMessage <Stock> dispatchMessage)
{
_client = client;
this._dispatchMessage = dispatchMessage;
}
static async Task Main(string[] args)
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
using var channel = GrpcChannel.ForAddress("http://localhost:5000");
var client = new StockMarketServiceClient(channel);
var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
using var stockStreamService = client.GetStockStream();
var responseProcessing = Task.Run(async() =>
{
try
{
await foreach (var stockReply in stockStreamService.ResponseStream.ReadAllAsync())
{
PrintStockInfo(stockReply);
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
Console.WriteLine("Stream cancelled.");
}
catch (Exception ex)
{
Console.WriteLine("Error reading response: " + ex);
}
});
var datesUtc = Dates.Select(datesUtc => datesUtc.ToUniversalTime()).ToArray();
for (int i = 0; i < 5; i++)
{
foreach (var symbol in new[] { "AAPL", "AMZN", "FB", "GOOG", "MSFT" })
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine($"Requesting stock info for {symbol}...");
Console.ResetColor();
int index = rnd.Next(Dates.Count);
var date = datesUtc[index].ToTimestamp();
Console.WriteLine(
$"Requesting Stock {symbol} history for date {date.ToDateTime().ToString("MM/dd/yyyy")}...");
await stockStreamService.RequestStream.WriteAsync(new StockRequest
{
Symbol = symbol,
Date = date
});
await Task.Delay(1500); // simulate delay getting next item
}
}
Console.WriteLine("Completing request stream");
await stockStreamService.RequestStream.CompleteAsync();
Console.WriteLine("Request stream completed");
await responseProcessing;
Console.WriteLine("Read all responses");
Console.WriteLine("Press a key to exit");
Console.ReadKey();
}
