Re: [Quickfix-users] sequence reset, CME iLink

[Hei C. <str...@ya...>]

1. you don't have to persist message if you have a good connection.  persisting messages is different from persisting the sequence #s.


________________________________
 From: QM <eqm...@nw...>
To: "qui...@li..." <qui...@li...> 
Sent: Thursday, April 26, 2012 5:19 PM
Subject: Re: [Quickfix-users] sequence reset, CME iLink
 
QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
QuickFIX Support: http://www.quickfixengine.org/services.html



Thanks for the notes, everyone.  For future reference, the problem was twofold:

1 - despite having set PersistMessages and RefreshOnLogon in my config, I was still using NullStoreFactory (a leftover from the old code) instead of FileStoreFactory.  That meant QuickFIX wasn't reading/writing sequence numbers to file.

2 - once QuickFIX had generated a .seqnums file, I was able to edit it and set the proper values.

(In an ideal world, there would be an option to reset the sequence numbers to 1:1 -- what CME refers to as an "in-session logon" -- but hand-editing the .seqnums file works just fine for my workflow.)

Cheers



On Thu, Apr 26, 2012 at 13:08, Hei Chan <str...@ya...> wrote:

a side note: when I used 1.12.4, I never ran into the same issue.  Not sure it is a bug introduced in 1.13.3.
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>________________________________
> From: Hei Chan <str...@ya...>
>To: QM <eqm...@nw...>; "qui...@li..." <qui...@li...> 
>Sent: Thursday, April 26, 2012 11:07 AM
>Subject: Re: [Quickfix-users] sequence reset, CME iLink
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>option 2 is probably not allowed by CME; otherwise, you could configure QuickFIX to resetOnLogon.
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>I ran into the same issue too, and I looked at the code, and I *think* that QuickFIX somehow failed to open the .seqnum file and so the .seqnum is wiped out.  I haven't got time to add more debug log.
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>________________________________
> From: QM <eqm...@nw...>
>To: qui...@li... 
>Sent: Thursday, April 26, 2012 9:56 AM
>Subject: [Quickfix-users] sequence reset, CME iLink
> 
>QuickFIX Documentation: http://www.quickfixengine.org/quickfix/doc/html/index.html
>QuickFIX Support: http://www.quickfixengine.org/services.html
>
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>Hi All,
>
>I'm not new to QuickFIX, but this is my first time setting up QuickFIX for CME/iLink and weeklong sessions.  The problem I've run into is that my QuickFIX app sends a logon message with sequence number 1 and the other end responds:
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>"Sequence number received lower than expected."
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>and logs me out.  While the message is indeed true, I can't tell how to handle this using QuickFIX.  Ideally, I'd want my app to be able to:
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>1 - send the proper sequence number (e.g., pulled from file, via PersistMessages and FileStorePath)
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>2 - if that fails (e.g., the file is missing) then tell the other side that we want to reset the sequence numbers back to 1
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>Does QuickFIX have config settings to do option #2?
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>I've seen some threads online in which the authors mention having modified QuickFIX, but they're hazy on details.  Someone else posted a patch but that yields the same behaviour as described above.
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>I tried this using QuickFIX C++, versions 1.13.3 and svn r2330.
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>Thank you.
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threat landscape has changed and how IT managers can respond. Discussions 
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