Re: [Cppcms-users] Strange bug on reading files to response().out()

[Artyom <art...@ya...>]

Hello,

this should be fixed in changeset 1486

Please take the version from trunk.
(The segfault should be fixed as well)

Artyom



----- Original Message ----
> From: Julian Pietron <ju...@wh...>
> To: cpp...@li...
> Sent: Wed, October 20, 2010 9:36:11 PM
> Subject: [Cppcms-users] Strange bug on reading files to response().out()
> 
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> Hash: SHA1
> 
> Hallo,
> 
> for  testing purposes I implemented a (very) basic static file server.
> This server  works very well on 64bit-architectures, but on 32bit
> architectures larger  files are only sent incompletely to the client and
> the thread the request had  been assigned to is blocked.
> 
> This is the code I use for reading file to  out:
> 
> void StaticFileServer::static(std::string path)  {
>     
>     /* Some checks to get real path  and check whether path is in a
> specified webroot etc.*/
>      /* ... */
>     
>     std::ifstream  ifile(path.c_str());
>     if(ifile.good())  {
>         response().out() <<  ifile.rdbuf();
>     }
>     std::cout <<  "Static serving completed." << std::endl; // This one is
> shown, so this  method completes successfully
> }
> 
> On 64bit, this code will read the file  specified by path to the browser
> that requests it, as it seems without  matters of size (or perhaps I did
> not try to send a file which was large  enough), on 32bit and with larger
> files, like e.g. the jquery.js of the  jQuery library, it sents only part
> of the file (file is interrupted abruptly)  and closes connection, but
> the thread still keeps blocked by the request  (testing with
> worker_threads set to 1, no further requests are possible, I  think
> because there are no threads left which are not busy). Termination  with
> SIGINT is not possible, the server application has to be killed  by
> SIGKILL. valgrind shows no significant errors.
> Sending out ad-hoc  generated HTML of any length (at least, of quite big
> sizes) works without  problems.
> The cppcms::application subclass is mounted with a factory  as
> synchronous application.
> I'm sorry that I can't provide you with more  information because I
> simply don't know what other helpful information I  could get beside the
> valgrind outputs which show no errors related to this  problem. Of course
> I will provide more information on your  request.
> 
> Thanks for your help,
> Julian
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