public void SubscribeAggregateTrades(string symbol, int limit, Action <TradeEventArgs> callback, Action <Exception> exception, CancellationToken cancellationToken) { try { var aggregateTradeCache = new AggregateTradeCache(binanceApi, new AggregateTradeWebSocketClient()); aggregateTradeCache.Subscribe(symbol, limit, e => { if (cancellationToken.IsCancellationRequested) { aggregateTradeCache.Unsubscribe(); return; } try { var aggregateTrades = e.Trades.Select(at => NewAggregateTrade(at)).ToList(); callback.Invoke(new TradeEventArgs { Trades = aggregateTrades }); } catch (Exception ex) { aggregateTradeCache.Unsubscribe(); exception.Invoke(ex); } }); } catch (Exception ex) { exception.Invoke(ex); } }
public Task SubscribeAggregateTrades(string symbol, int limit, Action <TradeEventArgs> callback, Action <Exception> exception, CancellationToken cancellationToken) { var tcs = new TaskCompletionSource <object>(); var binanceApi = new BinanceApi(); var aggregateTradeCache = new AggregateTradeCache(binanceApi, new AggregateTradeWebSocketClient()); aggregateTradeCache.Subscribe(symbol, limit, e => { if (cancellationToken.IsCancellationRequested) { aggregateTradeCache.Unsubscribe(); return; } var aggregateTrades = e.Trades.Select(at => NewAggregateTrade(at)).ToList(); try { callback.Invoke(new TradeEventArgs { Trades = aggregateTrades }); } catch (Exception ex) { aggregateTradeCache.Unsubscribe(); exception.Invoke(ex); return; } }); tcs.SetResult(null); return(tcs.Task); }
public void Unsubscribe() { var api = new Mock <IBinanceApi>().Object; var client = new Mock <IAggregateTradeClient>().Object; var cache = new AggregateTradeCache(api, client); // Can call unsubscribe before subscribe or multiple times without fail. cache.Unsubscribe(); cache.Unsubscribe(); }
/// <summary> /// Example using manager without DI framework (not recommended). /// </summary> private static void ExampleMainWithoutDI() { try { // Load configuration. var configuration = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()) .AddJsonFile("appsettings.json", true, false) .Build(); // Get configuration settings. var symbols = configuration.GetSection("TradeHistory:Symbols").Get <string[]>() ?? new string[] { Symbol.BTC_USDT }; var limit = 25; try { limit = Convert.ToInt32(configuration.GetSection("TradeHistory")?["Limit"]); } catch { /* ignored */ } var loggerFactory = new LoggerFactory(); loggerFactory.AddFile(configuration.GetSection("Logging:File")); var api = new BinanceApi(BinanceHttpClient.Instance, logger: loggerFactory.CreateLogger <BinanceApi>()); var client = new AggregateTradeClient(loggerFactory.CreateLogger <AggregateTradeClient>()); var webSocket = new DefaultWebSocketClient(loggerFactory.CreateLogger <DefaultWebSocketClient>()); var stream = new BinanceWebSocketStream(webSocket, loggerFactory.CreateLogger <BinanceWebSocketStream>()); var controller = new BinanceWebSocketStreamController(api, stream); controller.Error += (s, e) => HandleError(e.Exception); // Initialize manager. using (var manager = new AggregateTradeWebSocketClientManager(client, controller, loggerFactory.CreateLogger <AggregateTradeWebSocketClientManager>())) { // Initialize cache and link manager (JSON client). var cache = new AggregateTradeCache(api, client, loggerFactory.CreateLogger <AggregateTradeCache>()) { Client = manager // use manager as client. }; foreach (var symbol in symbols) { // Subscribe to symbol with callback. cache.Subscribe(symbol, limit, Display); lock (_sync) { _message = symbol == symbols.Last() ? $"Symbol: \"{symbol}\" ...press any key to exit." : $"Symbol: \"{symbol}\" ...press any key to continue."; } Console.ReadKey(true); // Unsubscribe from symbol. cache.Unsubscribe(); } } } catch (Exception e) { Console.WriteLine(e.Message); Console.WriteLine(); Console.WriteLine(" ...press any key to close window."); Console.ReadKey(true); } }