private static bool TryParseEventSubscriptionFlagParam(string tag, string paramTagString, string paramString,
InputParam <EventSubscriptionFlag> param)
{
if (!paramTagString.Equals(tag))
{
return(false);
}
if (paramString.Equals("ticker", StringComparison.InvariantCultureIgnoreCase))
{
param.Value = EventSubscriptionFlag.ForceTicker;
}
else if (paramString.Equals("stream", StringComparison.InvariantCultureIgnoreCase))
{
param.Value = EventSubscriptionFlag.ForceStream;
}
else if (paramString.Equals("history", StringComparison.InvariantCultureIgnoreCase))
{
param.Value = EventSubscriptionFlag.ForceHistory;
}
else
{
return(false);
}
return(true);
}
private static bool TryParseSnapshotParam(string stringParam, InputParam <bool> param)
{
if (!stringParam.ToLower().Equals("snapshot"))
{
return(false);
}
param.Value = true;
return(true);
}
private static bool TryParseTaggedStringParam(string tag, string paramTagString, string paramString,
InputParam <string> param)
{
if (!paramTagString.Equals(tag))
{
return(false);
}
param.Value = paramString;
return(true);
}
private static bool TryParseDateTimeParam(string stringParam, InputParam <DateTime?> param)
{
DateTime dateTimeValue;
if (!DateTime.TryParse(stringParam, out dateTimeValue))
{
return(false);
}
param.Value = dateTimeValue;
return(true);
}
private static bool TryParseRecordsPrintLimitParam(string paramTagString, string paramString,
InputParam <int> param)
{
if (!paramTagString.Equals("-l"))
{
return(false);
}
int newRecordsPrintLimit;
if (!int.TryParse(paramString, out newRecordsPrintLimit))
{
return(false);
}
param.Value = newRecordsPrintLimit;
return(true);
}
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();
}
}
}
private static void TryParseSourcesParam(string stringParam, InputParam <string[]> param)
{
param.Value = stringParam.Split(',');
}