public void Dispose() { if (snapshotSubscription != null) { snapshotSubscription.Dispose(); } }
private bool disposedValue = false; // To detect redundant calls /// <summary> /// This code added to correctly implement the disposable pattern. /// </summary> protected virtual void Dispose(bool disposing) { if (connection != null) { connection.RemoveSubscription(this); connection = null; } if (disposedValue) { return; } if (disposing) { if (subscription != null) { subscription.Dispose(); subscription = null; } } disposedValue = true; }
private static void Main(string[] args) { if (args.Length < 3 || args.Length > 9) { ShowUsage(); return; } var address = args[HostIndex]; var symbol = args[SymbolIndex]; var source = new InputParam <string>(OrderSource.NTV.Name); var dateTime = new InputParam <DateTime?>(null); var recordsPrintLimit = new InputParam <int>(DefaultRecordsPrintLimit); var token = new InputParam <string>(null); var logDataTransferFlag = false; for (var i = SymbolIndex + 1; i < args.Length; i++) { if (!dateTime.IsSet && TryParseDateTimeParam(args[i], dateTime)) { continue; } if (!recordsPrintLimit.IsSet && i < args.Length - 1 && TryParseRecordsPrintLimitParam(args[i], args[i + 1], recordsPrintLimit)) { i++; continue; } if (!token.IsSet && i < args.Length - 1 && TryParseTaggedStringParam("-T", args[i], args[i + 1], token)) { i++; continue; } if (logDataTransferFlag == false && args[i].Equals("-p")) { logDataTransferFlag = true; i++; continue; } if (!source.IsSet) { source.Value = args[i]; } } Console.WriteLine( $"Connecting to {address} for [Order#{source.Value} (book)] on [{symbol}] ..."); using (var con = token.IsSet ? new NativeConnection(address, token.Value, DisconnectHandler, ConnectionStatusChangeHandler) : new NativeConnection(address, DisconnectHandler, ConnectionStatusChangeHandler)) { IDxSubscription s = null; try { NativeTools.InitializeLogging("dxf_simple_order_book_sample.log", true, true, logDataTransferFlag); s = con.CreateSnapshotSubscription(EventType.Order, dateTime.Value, new OrderListener(recordsPrintLimit.Value)); s.SetSource(source.Value); s.AddSymbols(symbol); Console.WriteLine("Press enter to stop"); Console.ReadLine(); } catch (DxException dxException) { Console.WriteLine($"Native exception occured: {dxException.Message}"); } catch (Exception exc) { Console.WriteLine($"Exception occured: {exc.Message}"); } finally { s?.Dispose(); } } }
private static void Main(string[] args) { if (args.Length == 0) { Console.WriteLine( "Usage: dxf_ipf_connect_sample <ipf_host> <user> <password> <host:port> <events>\n" + "or: dxf_ipf_connect_sample <file> <host:port> <event>\n" + "where\n" + " ipf_host - The valid ipf host to download instruments (https://tools.dxfeed.com/ipf)\n" + " user - The user name to host access\n" + " password - The user password to host access\n" + " host:port - The address of dxfeed server (demo.dxfeed.com:7300)\n" + " events - Any of the {Profile,Quote,Trade,TimeAndSale,Summary,\n" + " TradeETH,Candle,Greeks,TheoPrice,Underlying,Series,\n" + " Configuration}\n" + " file - The name of file or archive (.gz or .zip) contains instrument profiles\n\n" + "example: dxf_ipf_connect_sample https://tools.dxfeed.com/ipf?TYPE=STOCK demo demo demo.dxfeed.com:7300 Quote,Trade\n" + "or: dxf_ipf_connect_sample https://demo:[email protected]/ipf?TYPE=STOCK demo.dxfeed.com:7300 Quote,Trade\n" + "or: dxf_ipf_connect_sample profiles.zip demo.dxfeed.com:7300 Quote,Trade\n" ); return; } var path = args[0]; var user = string.Empty; var password = string.Empty; string dxFeedAddress; EventType events; List <string> symbols; try { var reader = new InstrumentProfileReader(); IList <InstrumentProfile> profiles; var dxFeedAddressParamIndex = 1; if (IsFilePath(path)) { //Read profiles from local file system using (var inputStream = new FileStream(path, FileMode.Open)) { profiles = reader.Read(inputStream, path); } } else { if (args.Length == 5) { user = args[1]; password = args[2]; dxFeedAddressParamIndex += 2; } //Read profiles from server profiles = reader.ReadFromFile(path, user, password); } dxFeedAddress = args[dxFeedAddressParamIndex]; var eventsString = args[dxFeedAddressParamIndex + 1]; if (!Enum.TryParse(eventsString, true, out events)) { Console.WriteLine($"Unsupported event type: {eventsString}"); return; } if (profiles.Count == 0) { Console.WriteLine("There are no profiles"); return; } Console.WriteLine("Profiles from '{0}' count: {1}", path, profiles.Count); symbols = profiles.Select(profile => profile.GetSymbol()).ToList(); Console.WriteLine(value: $"Symbols: {string.Join(", ", symbols.Take(42).ToArray())}..."); } catch (Exception exc) { Console.WriteLine($"Exception occured: {exc}"); return; } Console.WriteLine($"Connecting to {dxFeedAddress} for [{events} on [{string.Join(", ", symbols.Take(42).ToArray())}...] ..."); NativeTools.InitializeLogging("dxf_ipf_connect_sample.log", true, true); using (var connection = new NativeConnection(dxFeedAddress, DisconnectHandler, ConnectionStatusChangeHandler)) { IDxSubscription subscription = null; try { subscription = connection.CreateSubscription(events, new EventPrinter()); if (events == EventType.Candle) { subscription.AddSymbols(symbols.ConvertAll(CandleSymbol.ValueOf).ToArray()); } else { subscription.AddSymbols(symbols.ToArray()); } Console.WriteLine("Press enter to stop"); Console.ReadLine(); } catch (DxException dxException) { Console.WriteLine($"Native exception occured: {dxException.Message}"); } catch (Exception exc) { Console.WriteLine($"Exception occured: {exc.Message}"); } finally { subscription?.Dispose(); } } }
static void Main(string[] args) { if (args.Length < 3 || args.Length > 13) { Console.WriteLine( "Usage: dxf_client <host:port> <event> <symbol> [<date>] [<source>] [snapshot] [-l <records_print_limit>] [-T <token>] [-s <subscr_data>] [-p]\n" + "where\n" + " host:port - The address of dxfeed server (demo.dxfeed.com:7300)\n" + " event - Any of the {Profile,Order,Quote,Trade,TimeAndSale,Summary,\n" + " TradeETH,SpreadOrder,Candle,Greeks,TheoPrice,Underlying,Series,\n" + " Configuration}\n" + " symbol - a) IBM, MSFT, ... ; * - all symbols\n" + " b) if it is Candle event you can specify candle symbol\n" + " attribute by string, for example: XBT/USD{=d}\n" + " date - The date of time series event in the format YYYY-MM-DD (optional)\n" + " source - Used only for Order or MarketMaker subscription:\n" + " a) OPTIONAL source for order events is any combination of:\n" + " NTV,NFX,ESPD,XNFI,ICE,ISE,DEA,DEX,BYX,BZX,BATE,CHIX,CEUX,\n" + " BXTR,IST,BI20,ABE,FAIR,GLBX,ERIS,XEUR,CFE,C2OX,SMFE...;\n" + " b) source for Order snapshot can be one of following: NTV,NFX,\n" + " ESPD,XNFI,ICE,ISE,DEA,DEX,BYX,BZX,BATE,CHIX,CEUX,BXTR,IST,BI20,\n" + " ABE,FAIR,GLBX,ERIS,XEUR,CFE,C2OX,SMFE...\n" + " c) source for MarketMaker snapshot, can be COMPOSITE_ASK\n" + " or COMPOSITE_BID\n" + " snapshot - Use keyword 'snapshot' for create snapshot subscription,\n" + " otherwise leave empty\n" + $" -l <records_print_limit> - The number of displayed records (0 - unlimited, default: {DEFAULT_RECORDS_PRINT_LIMIT})\n" + " -T <token> - The authorization token\n\n" + " -s <subscr_data> - The subscription data: ticker|TICKER, stream|STREAM, history|HISTORY\n" + " -p - Enables the data transfer logging\n\n" + "examples:\n" + " events: dxf_client demo.dxfeed.com:7300 Quote,Trade MSFT.TEST,IBM.TEST\n" + " events: dxf_client demo.dxfeed.com:7300 Quote,Trade MSFT.TEST,IBM.TEST -s stream\n" + " order: dxf_client demo.dxfeed.com:7300 Order MSFT.TEST,IBM.TEST NTV,IST\n" + " candle: dxf_client demo.dxfeed.com:7300 Candle XBT/USD{=d} 2016-10-10\n" + " underlying: dxf_client demo.dxfeed.com:7300 Underlyingn AAPL\n" + " series: dxf_client demo.dxfeed.com:7300 Series AAPL\n" + " order snapshot: dxf_client demo.dxfeed.com:7300 Order AAPL NTV snapshot\n" + " order snapshot: dxf_client demo.dxfeed.com:7300 Order AAPL NTV snapshot -l 0\n" + " market maker snapshot: dxf_client demo.dxfeed.com:7300 Order AAPL COMPOSITE_BID snapshot\n" + " market maker snapshot: dxf_client demo.dxfeed.com:7300 Order AAPL COMPOSITE_BID snapshot -l 3\n" + " candle snapshot: dxf_client demo.dxfeed.com:7300 Candle XBT/USD{=d} 2016-10-10 snapshot\n" + " candle snapshot: dxf_client demo.dxfeed.com:7300 Candle XBT/USD{=d} 2016-10-10 snapshot -l 10\n" + " candle snapshot: dxf_client demo.dxfeed.com:7300 Candle XBT/USD{=d,pl=0.5} 2016-10-10 snapshot -l 10\n" ); return; } var address = args[HOST_INDEX]; EventType events; if (!Enum.TryParse(args[EVENT_INDEX], true, out events)) { Console.WriteLine($"Unsupported event type: {args[EVENT_INDEX]}"); return; } var symbols = args[SYMBOL_INDEX]; var sources = new InputParam <string[]>(new string[] { }); var isSnapshot = new InputParam <bool>(false); var dateTime = new InputParam <DateTime?>(null); var recordsPrintLimit = new InputParam <int>(DEFAULT_RECORDS_PRINT_LIMIT); var token = new InputParam <string>(null); var subscriptionData = new InputParam <EventSubscriptionFlag>(EventSubscriptionFlag.Default); var logDataTransferFlag = false; for (var i = SYMBOL_INDEX + 1; i < args.Length; i++) { if (!dateTime.IsSet && TryParseDateTimeParam(args[i], dateTime)) { continue; } if (!isSnapshot.IsSet && TryParseSnapshotParam(args[i], isSnapshot)) { continue; } if (!recordsPrintLimit.IsSet && i < args.Length - 1 && TryParseRecordsPrintLimitParam(args[i], args[i + 1], recordsPrintLimit)) { i++; continue; } if (!token.IsSet && i < args.Length - 1 && TryParseTaggedStringParam("-T", args[i], args[i + 1], token)) { i++; continue; } if (!subscriptionData.IsSet && i < args.Length - 1 && TryParseEventSubscriptionFlagParam("-s", args[i], args[i + 1], subscriptionData)) { i++; continue; } if (logDataTransferFlag == false && args[i].Equals("-p")) { logDataTransferFlag = true; i++; continue; } if (!sources.IsSet) { TryParseSourcesParam(args[i], sources); } } var snapshotString = isSnapshot.Value ? " snapshot" : string.Empty; var timeSeriesString = dateTime.IsSet && !isSnapshot.Value ? " time-series" : string.Empty; Console.WriteLine( $"Connecting to {address} for [{events}{snapshotString}]{timeSeriesString} on [{symbols}] ..."); NativeTools.InitializeLogging("dxf_client.log", true, true, logDataTransferFlag); var listener = new EventPrinter(); using (var con = token.IsSet ? new NativeConnection(address, token.Value, DisconnectHandler, ConnectionStatusChangeHandler) : new NativeConnection(address, DisconnectHandler, ConnectionStatusChangeHandler)) { IDxSubscription s = null; try { if (isSnapshot.Value) { s = con.CreateSnapshotSubscription(events, dateTime.Value, new SnapshotPrinter(recordsPrintLimit.Value)); } else if (dateTime.IsSet) { s = subscriptionData.IsSet ? con.CreateSubscription(events, dateTime.Value, subscriptionData.Value, listener) : con.CreateSubscription(events, dateTime.Value, listener); } else { s = subscriptionData.IsSet ? con.CreateSubscription(events, subscriptionData.Value, listener) : con.CreateSubscription(events, listener); } if (events.HasFlag(EventType.Order) && sources.Value.Length > 0) { s.SetSource(sources.Value); } if (events == EventType.Candle) { var candleSymbol = CandleSymbol.ValueOf(symbols); s.AddSymbol(candleSymbol); } else { s.AddSymbols(symbols.Split(',')); } Console.WriteLine("Press enter to stop"); Console.ReadLine(); } catch (DxException dxException) { Console.WriteLine($"Native exception occured: {dxException.Message}"); } catch (Exception exc) { Console.WriteLine($"Exception occured: {exc.Message}"); } finally { s?.Dispose(); } } }