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Date: Tue, 30 Jul 2013 12:27:48 +0000 (UTC)
From: "Erik Bunn (JIRA)" <jira@apache.org>
To: dev@hc.apache.org
Message-ID: <JIRA.12659622.1374685856120.136012.1375187268346@arcas>
In-Reply-To: <JIRA.12659622.1374685856120@arcas>
References: <JIRA.12659622.1374685856120@arcas>
Subject: [jira] [Closed] (HTTPCORE-346) NIO: HttpAsyncService should couple
 IOSession and HttpContext set/getAttribute()
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     [ https://issues.apache.org/jira/browse/HTTPCORE-346?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Erik Bunn closed HTTPCORE-346.
------------------------------

    Resolution: Not A Problem

HttpContext provides indirect access to NHttpConnection using key
HttpCoreContext.HTTP_CONNECTION (4.3) or
ExecutionContext.HTTP_CONNECTION (4.2.x)
NHttpConnection instance provides a context that works as expected.


> NIO: HttpAsyncService should couple IOSession and HttpContext set/getAttribute()
> --------------------------------------------------------------------------------
>
>                 Key: HTTPCORE-346
>                 URL: https://issues.apache.org/jira/browse/HTTPCORE-346
>             Project: HttpComponents HttpCore
>          Issue Type: Wish
>          Components: HttpCore NIO
>    Affects Versions: 4.2.4, 4.3-beta2
>            Reporter: Erik Bunn
>            Priority: Minor
>
> Under httpcore-4.1, I wrote code that attached identifying information (unique certificate id) to the IOSession attribute context in SSL verification (where we have access to IOSession only, ), and utilized that information at the request processing stage (where we have access to HttpContext). HttpContext.getAttribute() proxied to its parent context, eventually reaching the IOSession attributes.
> The refactoring for 4.2.x async processing has decoupled the HttpContext object available in the HttpAsyncRequestHandler implementation methods from the IOSession. Looking at HttpAsyncService.processRequest(), you can see that it provides HttpAsyncRequestHandler.handle() and .processRequest() with the (always empty) BasicHttpContext contained in its state.context. 
> At both locations, HttpAsyncService does have access to the NHttpServerConnection containing the previously established SessionHttpContext seen by IOSession. 
> 1) Could this context be sent to the HttpAsyncRequestHandler, instead of state.context? 
> 2) Alternatively, would it be possible to initialize state.context attributes with the contents of the session attributes in HttpAsyncService.connected() ?
> 3) Alternatively, would it be possible to modularize HttpAsyncService.state creation to allow extending the class and customizing this behaviour?
> There may be security or nio object reuse implications that I am not immediately seeing, and which might invalidate connecting the attribute storage in this way. I would appreciate your input if that is the case. If not, I would claim this is a bug in the recent nio HttpContext refactoring.  (Marked as minor under the assumption few people need to carry information between such separated stages of iosession and request.)

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