Re: [Quickfixj-users] Reset Sequnces Design

[Colin D. <co...@ma...>]

IIRC, setting the ResetOn flags controls whether the ResetSeqNumFlag is 
set on the appropriate messages.

On 7/15/20 4:11 AM, Liubov Efremova wrote:
> QuickFIX/J Documentation: http://www.quickfixj.org/documentation/
> QuickFIX/J Support: http://www.quickfixj.org/support/
>
>
>
> Hi,
>
> One more question about /*ResetSeqNumFlag*/ behavior.
> Does */ResetOnXXX=Y/ *options enforce to set */ResetSeqNumFlag/* in 
> the logon message (both cases, acceptor and initiator) or not (just 
> provide in/out sequences reset to 1)?
>
> ср, 8 июл. 2020 г. в 12:39, Liubov Efremova <liu...@gm... 
> <mailto:liu...@gm...>>:
>
>     Got it. Thank you for the clarification!
>
>
>     вт, 7 июл. 2020 г. в 12:57, Christoph John
>     <chr...@ma... <mailto:chr...@ma...>>:
>
>         Hi,
>
>         yes, it will be checked on session start whether the session
>         needs to be reset. Actually it will be checked periodically
>         because the session needs to disconnected and reset when the
>         end time is reached.
>
>         Your example:
>         1. reset will be done
>         2. no reset will be done.
>
>         Cheers,
>         Chris.
>
>         On 07.07.20 10:21, Liubov Efremova wrote:
>>         Hi,
>>
>>         Thank you for your explanation.
>>
>>         One more question: imagine the situation of engine restart
>>         during the trade day. Will the necessity of sequences reset
>>         be checked during the engine start? In other words, does the
>>         engine care on the start if there is a first connection
>>         inside the defined trade day or not?
>>
>>         Example:
>>         /StartTime=03:00:00
>>         EndTime=06:00:00/
>>
>>         /1) Engine starts for the first time at 04:00:00/
>>         /2) Engine restarts at 05:00:00/
>>         /
>>         /
>>         What will be the sequence behavior in these two cases?
>>         /
>>         /
>>
>>         вт, 7 июл. 2020 г. в 02:04, Christoph John
>>         <chr...@ma... <mailto:chr...@ma...>>:
>>
>>             Hi,
>>
>>             1) no, the engine will not send Logon with ResetSeqNum=Y
>>             (unless you configure it that way). The session time
>>             should be agreed between the two counterparties. Once the
>>             session time is over the session should get reset implicitly.
>>             2) Please check the documentation. There are slight
>>             differences between ResetOnLogon/Logout/Disconnect/Error.
>>             https://rawgit.com/quickfix-j/quickfixj/master/quickfixj-core/src/main/doc/usermanual/usage/configuration.html#Miscellaneous
>>             TBH, I never used one of the options apart from
>>             "ResetOnLogon" in the last years. However, I recall we
>>             once had a counterparty (about 10 years ago) which wanted
>>             to reset sequence numbers only if there was a normal
>>             Logout (not an unsolicited disconnection) and not every
>>             time a Logon was sent.
>>
>>             Cheers,
>>             Chris.
>>
>>             On 03.07.20 13:31, Liubov Efremova wrote:
>>>             QuickFIX/J Documentation:http://www.quickfixj.org/documentation/
>>>             QuickFIX/J Support:http://www.quickfixj.org/support/
>>>
>>>
>>>
>>>             Hi,
>>>
>>>             Please clarify the following questions about QuickFIX/J
>>>             session configuration:
>>>             1) How does the reset of sequences occur on /StartTime/
>>>             session events? Does the engine send the logon with the
>>>             enabled ResetSeqNum flag?
>>>             2) What is the purpose of /ResetOnLogout/ property? Why
>>>             not use /ResetOnLogon/ instead?
>>>
>>>             -- 
>>>             Kind regards,
>>>             Liubov Efremova.
>>>
>>>
>>>             _______________________________________________
>>>             Quickfixj-users mailing list
>>>             Qui...@li...  <mailto:Qui...@li...>
>>>             https://lists.sourceforge.net/lists/listinfo/quickfixj-users
>>
>>             -- 
>>             Christoph John
>>             Software Engineering
>>             T +49 241 557080-28
>>             chr...@ma...  <mailto:chr...@ma...>
>>
>>             MACD GmbH
>>             Oppenhoffallee 103
>>             52066 Aachen, Germany
>>             www.macd.com  <http://www.macd.com>
>>
>>             Amtsgericht Aachen: HRB 8151
>>             Ust.-Id: DE 813021663
>>             Geschäftsführer: George Macdonald
>>
>>
>>
>>         -- 
>>         Kind regards,
>>         Liubov Efremova.
>
>         -- 
>         Christoph John
>         Software Engineering
>         T +49 241 557080-28
>         chr...@ma...  <mailto:chr...@ma...>
>
>         MACD GmbH
>         Oppenhoffallee 103
>         52066 Aachen, Germany
>         www.macd.com  <http://www.macd.com>
>
>         Amtsgericht Aachen: HRB 8151
>         Ust.-Id: DE 813021663
>         Geschäftsführer: George Macdonald
>
>
>
>     -- 
>     Kind regards,
>     Liubov Efremova.
>
>
>
> -- 
> Kind regards,
> Liubov Efremova.
>
>
> _______________________________________________
> Quickfixj-users mailing list
> Qui...@li...
> https://lists.sourceforge.net/lists/listinfo/quickfixj-users

-- 
Colin DuPlantis
Chief Architect, Marketcetera
Download, Run, Trade
888.868.4884
https://www.marketcetera.com