{{Quickfixn}} Bringing down an individual session

[Mike Gatny]

Campbell,

The feature you want is "Dynamic Sessions", which was added a few years ago.

See: https://github.com/connamara/quickfixn/pull/314 and
https://github.com/connamara/quickfixn/blob/master/UnitTests/SessionDynamicTest.cs

--
Mike Gatny
Connamara Systems


On Fri, Feb 21, 2020 at 11:16 AM Grant Birchmeier <gbirchmeier at connamara.com>
wrote:

> You have not missed anything.  That's simply a procedure that QF/n doesn't
> support.  I don't think any of the QF ports support that.
>
> On Fri, Feb 21, 2020 at 10:03 AM Campbell Wild <
> Campbell.Wild at ihsmarkit.com> wrote:
>
>> What's the recommended approach for bringing down an individual FIX
>> connection?
>>
>> If I have several FIX sessions configured within the same engine, I don't
>> want to have to bring all the sessions down (i.e. stop the app, comment out
>> the one session in the config to prevent it from starting up, starting up
>> the app again) as the other sessions may be processing messages, and
>> restarting will cause them to have to resync with the overhead of checking
>> for PossResends etc.
>>
>> Last time I checked, there didn't appear to be any way of modifying the
>> running config.  Ideally I would like to modify the loaded config by
>> setting the session End time to the next minute which would bring the
>> engine down neatly.  I can actually change the values in the running
>> config, they just don't get reloaded.
>>
>> The only way I've managed to emulate this is to force send a Logout
>> message, then essentially ignore all incoming messages.  But the engine
>> then keeps trying to reconnect.
>>
>> Similarly, I'd like to start the engine up with certain sessions
>> inactive, that could be enabled at runtime, without requiring a restart.
>>
>> Just wondering if I've missed something obvious, or if the only "real"
>> way to do this is to restart the application.
>>
>> Thanks,
>> Campbell
>>
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>
> --
> Grant Birchmeier
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