Re: [Quickfixj-users] Reset Sequnces Design

[Liubov E. <liu...@gm...>]

Got it. Thank you for the clarification!


вт, 7 июл. 2020 г. в 12:57, Christoph John <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...>:
>
>> 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 lis...@li...://lists.sourceforge.net/lists/listinfo/quickfixj-users
>>
>>
>> --
>> Christoph John
>> Software Engineering
>> T +49 241 557...@ma...
>>
>> MACD GmbH
>> Oppenhoffallee 103
>> 52066 Aachen, Germanywww.macd.com
>>
>> Amtsgericht Aachen: HRB 8151
>> Ust.-Id: DE 813021663
>> Geschäftsführer: George Macdonald
>>
>>
>
> --
> Kind regards,
> Liubov Efremova.
>
>
> --
> Christoph John
> Software Engineering
> T +49 241 557...@ma...
>
> MACD GmbH
> Oppenhoffallee 103
> 52066 Aachen, Germanywww.macd.com
>
> Amtsgericht Aachen: HRB 8151
> Ust.-Id: DE 813021663
> Geschäftsführer: George Macdonald
>
>

-- 
Kind regards,
Liubov Efremova.