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Re: [Quickfixj-users] Daily sequence reset doubt
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From: Christoph J. <chr...@ma...> - 2021-04-15 23:14:15
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Hi Felipe, thanks for the feedback and good to know that it worked for you. Cheers, Chris. On 15.04.21 00:36, Felipe Windmoller wrote: > 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... > <mailto: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... > <mailto: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/ <http://www.quickfixj.org/documentation/> >>> QuickFIX/J Support:http://www.quickfixj.org/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 list >>> Qui...@li... <mailto:Qui...@li...> >>> https://lists.sourceforge.net/lists/listinfo/quickfixj-users <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 > > -- > 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 > -- Christoph John Software Engineering T +49 241 557080-28 chr...@ma... MACD GmbH Oppenhoffallee 103 52066 Aachen, Germany www.macd.com Amtsgericht Aachen: HRB 8151 Ust.-Id: DE 813021663 Geschäftsführer: George Macdonald |
