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Post From: DTC: SECURITY_DEFINITION_RESPONSE and IsFinalMessage after Logon

[2018-07-15 16:41:13] Link To Thread - Link To Post [Go To First Post]
Usermb - Posts: 126
After a successful logon against a built-in SC DTC Server that sends updated symbol definitions, a list of SECURITY_DEFINITION_RESPONSE messages is received. Unfortunately each of these messages has IsFinalMessage set to 1. To me this seems like an error, all these messages have the same RequestID = 110000000. It would be great to add some sort of a flag to LOGON_RESPONSE to explicitly advice the client, that SECURITY_DEFINITION_RESPONSE messages follow. Right now, the logon response looks like this: ProtocolVersion: 8 Result: LOGON_SUCCESS ResultText: "Connected to SC DTC Protocol server. Service=scdataallservices" ServerName: "SC DTC Server" SecurityDefinitionsSupported: 1 MarketDepthIsSupported: 1 MarketDataSupported: 1 And here's a part of the security definition response messages: RequestID: 110000000 Symbol: "DYM18" MinPriceIncrement: 0.5 PriceDisplayFormat: PRICE_DISPLAY_FORMAT_DECIMAL_1 CurrencyValuePerIncrement: 12.5 IsFinalMessage: 1 FloatToIntPriceMultiplier: 1.0 IntToFloatPriceDivisor: 1.0 UnderlyingSymbol: "DY" SecurityExpirationDate: 1529020800 HasMarketDepthData: 1 DisplayPriceMultiplier: 1.0 ExchangeSymbol: "DYM18" RequestID: 110000000 Symbol: "J6U18" Description: "JAPANESE YEN FUTURES 6J Sep 2018" MinPriceIncrement: 4.999999873689376e-05 PriceDisplayFormat: PRICE_DISPLAY_FORMAT_DECIMAL_5 CurrencyValuePerIncrement: 6.25 IsFinalMessage: 1 FloatToIntPriceMultiplier: 1.0 IntToFloatPriceDivisor: 1.0 SecurityExpirationDate: 1536883200 HasMarketDepthData: 1 DisplayPriceMultiplier: 1.0 ExchangeSymbol: "6JU18" RequestID: 110000000 Symbol: "E6U18" Description: "EURO FUTURE 6E Sep 2018" MinPriceIncrement: 4.999999873689376e-05 PriceDisplayFormat: PRICE_DISPLAY_FORMAT_DECIMAL_5 CurrencyValuePerIncrement: 6.25 IsFinalMessage: 1 FloatToIntPriceMultiplier: 1.0 IntToFloatPriceDivisor: 1.0 SecurityExpirationDate: 1536883200 HasMarketDepthData: 1 DisplayPriceMultiplier: 1.0 ExchangeSymbol: "6EU18"