How to handle ASP.NET MVC asynchronous requests

[Michael Powell]

Hello,

I've been putting this question off for a little while now, but I am
crossing a threshold in the application that I need to address it.

I have several asynchronous requests pouring in from a client side
that may require separate SQL requests, and I need to coordinate an
ISession being built and/or restored, i.e. if I should coordinate
building the configuration with already-built Hbm files, for instance.

I am coordinating these through an Autofac Dependency Injection, but I
suspect I have my lifetimes incorrect, because I am getting exceptions
dealing with the Hbm files. At minimum, I need to coordinate the core
configuration/factories/repositories with the requests, get their
lifetime(s) correct across the controller(s)/session(s)/etc.

What I am looking for here is general guidance. If someone has seen
this before, I can't imagine it's that uncommon for high performance,
responsive web sites, ASP.NET, MVC, etc.

Eventually, I suspect I should be able to do something like this on
the client side (JavaScript/jQuery):

$.when(ajax1(), ajax2(), ..., ajaxn()).done(response1, response2, ...,
responsen);

Any suggestions, pointers, thanks in advance!

Regards,

Michael Powell

[Gleb Chermennov]

Hello. 

What kind of exceptions are you getting? What does it say?

I'm not familiar with Autofac, but according to NHibernate docs, ISession is NOT thread-safe - so you should modify your lifecycle accordingly, I suppose.

четверг, 19 мая 2016 г., 2:08:41 UTC+3 пользователь mwpowellhtx написал:

[Fran Knebels]

What does you session strategy look like now?

I've taken the approach of creating a new session at Application_BeginRequest and storing it in the HttpContext.  So it's a session per request. 

I inject my session into a generic Repository and the repositories into my controllers using windsor and don't see any threading issues.

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