Re: [Quickfixj-users] Daily sequence reset doubt

[Felipe W. <fel...@gm...>]

Hi Chris,

I've tested the QFJ schedule and everything worked perfectly!

I used this configuration:
StartTime=07:00:00,
EndTime=21:00:00,
TimeZone=America/Sao_Paulo,
Weekdays=Monday,Tuesday,Wednesday,Thursday,Friday,

QFJ is awesome, it prints on the event log the complete information about
the FIX session:
Session FIX.4.4:FOO->BAR schedule is monday, tuesday, wednesday, thursday,
friday, 10:00:00-UTC - 00:00:00-UTC (monday, tuesday, wednesday, thursday,
friday, 07:00:00-BRT - 21:00:00-BRT)

As my counterparty occasionally asks me to do some mock tests on the
weekends, I intend to create an option in my system to programmatically
change my SessionSettings. For instance, on a Saturday, with my Initiator
stopped, I'll change my SessionSettings and then start the Initiator. When
the mock tests are done, I'll change my SessionSettings to the previous
configuration. I could stop my application and make a new deployment with
the new configuration that would allow QFJ to run on the weekend, but in
that way I would need to go through a bureaucratic process at my company.

Thanks again!

Em seg., 12 de abr. de 2021 às 20:46, Felipe Windmoller <
fel...@gm...> escreveu:

> Hello Chris,
>
> Thanks for the complete answer and sharing your experience.
>
> I'll use the option you recommended, that is to use TimeZone, StartTime
> and EndTime.
>
> As my counterparty also "recommends that customers remain disconnected
> during the weekends, unless when participating in scheduled mock tests.",
> I'll also use the Weekdays parameter.
>
> About my counterparty sequence reset, their documentation says:
>
> *All FIX session schedules for Entry Point are activated on a daily basis
> and, at the end of the session, the connection is terminated by the Border
> Gateway and the sequence number is reset. This means that at the beginning
> of every new session, the expected sequence number is 1. Note that there
> will be no logout message when the session is terminated. Instead, users
> will detect a hard disconnection.*
>
> Cheers,
> Felipe Windmoller
>
> Em seg., 12 de abr. de 2021 às 20:22, Christoph John <
> chr...@ma...> escreveu:
>
>> BTW, your counterparty also needs to reset at the correct time so I guess
>> they would also like to know when you actually reset. Otherwise "funny"
>> things can happen.
>> We had a counterparty which did not disconnect the session when their
>> EndTime was reached but reset at the next intra-day disconnection. So most
>> of the time everything worked but when there was a disconnection during the
>> day (e.g. network problems) they started of at seqnum 1 mid-day which of
>> course lead to problems since the sessions were constantly disconnecting
>> due to too low seqnums...
>>
>> Cheers,
>> Chris.
>>
>> On 13.04.21 01:16, Christoph John wrote:
>>
>> Hi,
>>
>> QFJ will reset the sequence number on the start of the session when it
>> finds that the session storage is from an old session. It does determine
>> this by using the StartTime and EndTime. See
>> DefaultSessionSchedule.isSameSession().
>> So I can only encourage you to unify the TimeZone, StartTime, EndTime
>> with your counterparty because that will do everything automatically for
>> you. From my experience with the counterparties I've worked with this is no
>> problem and some of them use a different time zone than our servers are in.
>>
>> If you still want to manage all that by yourself (not recommended), you
>> could set NonStopSession=Y which will never reset the session
>> automatically. You'll then need to have some kind of persistent flag in
>> your application to determine if you already reset your session that day.
>>
>> Cheers,
>> Chris.
>>
>>
>> On 13.04.21 01:03, Felipe Windmoller wrote:
>>
>> QuickFIX/J Documentation: http://www.quickfixj.org/documentation/
>> QuickFIX/J Support: http://www.quickfixj.org/support/
>>
>>
>> Hello everybody!
>>
>> I must connect to a session on a daily basis and at the beginning of
>> every new session, I must start with sequence number 1.
>>
>> I'm afraid of using the StartTime and EndTime parameters because there
>> can be issues between the time zone configuration of my server and the
>> acceptor. So, I intend to do a manual schedule to logon and logout.
>>
>> As my application can be restarted during the day by the server, I can't
>> use the *ResetOnLogon* or the other *ResetOn* parameters.
>>
>> I tested QuickFIX/J and it looks like that every time that I start a
>> session and the date of the session storage is older than the current day
>> (in other words, the first logon of the day), QuickFIX/J is automatically
>> setting the sequence number to 1.
>>
>> Did I understand that correctly? Will QuickFIX/J always begin the first
>> daily session with the sequence number 1?
>>
>> Thanks a lot,
>> Felipe Henrique Gross Windmoller
>>
>>
>>
>>
>>
>> _______________________________________________
>> 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
>>
>>
>> --
>> 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
>>
>>