static async Task Main(string[] args)
{
try
{
Console.CancelKeyPress += CancelKeyPressed;
var token = ApiToken;
while (string.IsNullOrWhiteSpace(token))
{
Console.Write("Please specify your api token: ");
token = Console.ReadLine();
}
Console.WriteLine("Connecting to Finnhub...");
cl = new WebsocketClient(token);
await cl.Connect(cts.Token);
Console.WriteLine("Connected.");
foreach (var symbol in symbols)
{
await cl.Subscribe(symbol, cts.Token);
Console.WriteLine($"Subscribed {symbol}");
}
while (!cancelPressed)
{
var msg = await cl.Receive(cts.Token);
switch (msg)
{
case PingMessage ping:
Console.WriteLine("Ping");
break;
case ErrorMessage err:
Console.WriteLine($"ERROR returned by Finnhub: {err.Msg}");
break;
case TradeMessage trade:
var tradeMsg = string.Join("\n", trade.Data.Select(t => $"{t.S} - #{t.V} x {t.P}"));
Console.WriteLine($"Trade: {tradeMsg}");
break;
default:
Console.WriteLine($"WARNING: Unknown message received.");
break;
}
}
}
catch (OperationCanceledException) { }
catch (WebSocketException wse)
{
Console.WriteLine($"CONNECTION ERROR: {wse}");
}
}