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https://issues.apache.org/jira/browse/DIRMINA-601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12603089#action_12603089
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Geoff Cadien commented on DIRMINA-601:
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I agree. That is exactly what I have done in my code. I have a factory to
produce the correct type of SendableFile, using the type of IoSession as
discriminator. It might be nice to have that functionality in MINA to avoid
everyone having to roll their own.
> Add sendfile support to transport-apr
> -------------------------------------
>
> Key: DIRMINA-601
> URL: https://issues.apache.org/jira/browse/DIRMINA-601
> Project: MINA
> Issue Type: Improvement
> Components: Core, Transport
> Affects Versions: 2.0.0-M2
> Reporter: Geoff Cadien
> Attachments: sendfile-patches.zip
>
>
> I've take a shot at adding support for sendfile to transport-apr. I've had
> to make several changes because in the current code FileRegion is NIO
> specific because of it's reliance on FileChannel. I've made the following
> changes:
> I've created an interface called SendableFile to take the place of using
> FileChannel in FileRegion. I've also created two implementations of this
> interface, AprSendableFile and NioSendableFile. The method of interest is
> send(long position, long length) which is used to send the file. Notice it
> doesn't take an IoSession or a Channel as a parameter. I tried using
> generics to include the proper subclass of IoSession but that didn't work
> out very well. :-)
> There are still a couple of problems that need to be dealt with. First and
> foremost is that AbstractIoSession will create instances of DefaultFileRegion
> in the write method when passed either a File or a FileChannel. This causes
> a problem because FileRegion is no longer NIO specific. I don't have a
> solution right now other than removing the code.
> The other problem is with FileRegionWriteFilter (and unit test), again
> because FileRegion is NIO specific and exposes a FileChannel.
> I'm hoping somebody can take a look at the code and provide some feedback if
> they believe this is headed in the right direction or have a better idea.
> I'll attach the patches shortly.
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