static async Task Main(string[] args)
{
AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
using var channel = GrpcChannel.ForAddress("http://localhost:30051");
var client = new MarketData.MarketDataClient(channel);
try
{
for (int i = 0; i < 10; ++i)
{
var stopwatch = new Stopwatch();
stopwatch.Start();
//var quote = client.GetQuote(new CurrencyPair { From = "USD", To = "ZAR" });
var quote = await client.GetQuoteAsync(new CurrencyPair { From = "USD", To = "ZAR" });
stopwatch.Stop();
Console.WriteLine($"{DateTime.Now} - Bid: {quote.Bid}, Ask: {quote.Ask}. Request time (ms): {stopwatch.ElapsedMilliseconds}");
await Task.Delay(TimeSpan.FromSeconds(1));
}
var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));
var qoutesStreamingCall = client.GetQuotes(new CurrencyPair {
From = "USD", To = "ZAR"
}, cancellationToken: cts.Token);
await foreach (var quote in qoutesStreamingCall.ResponseStream.ReadAllAsync(cancellationToken: cts.Token))
{
Console.WriteLine($"{DateTime.Now} - Bid: {quote.Bid}, Ask: {quote.Ask}.");
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
Console.WriteLine("Press any key to exit...");
Console.ReadKey();
}
private static async Task StreamCallWithCts(MarketData.MarketDataClient client, CancellationToken ct)
{
try
{
var qoutesStreamingCall = client.GetQuotes(new CurrencyPair {
From = "USD", To = "ZAR"
}, cancellationToken: ct);
while (await qoutesStreamingCall.ResponseStream.MoveNext(ct))
{
var quote = qoutesStreamingCall.ResponseStream.Current;
Console.WriteLine($"{DateTime.Now} - Bid: {quote.Bid}, Ask: {quote.Ask}.");
}
}
catch (RpcException ex) when(ex.StatusCode == StatusCode.Cancelled)
{
Console.WriteLine("StreamCall was cancelled.");
}
catch (Exception ex)
{
Console.WriteLine($"StreamCall failed: {ex}");
}
}