Re: [ecf-dev] E-intro [Was Efficient downloads]

[Scott Lewis <slewis@xxxxxxxxxxxxx>]

Hi Thomas and Filip,

Thanks!  The help is most welcome. 

The filetransfer API is in plugin:  org.eclipse.ecf.filetransfer. 

The bundle docs (with pointers to javadocs) is:  
http://wiki.eclipse.org/index.php/ECF_API_Docs#File_Transfer_API

There are also pointers in wiki to project sets source and test code.

There is a base provider plugin:  
org.eclipse.ecf.provider.filetransfer.  This plugin has an extension 
point that allows other plugins to insert implementations associated 
with various protocols.  See the extension point 
org.eclipse.ecf.provider.filetransfer.fileTransferProtocolFactory.   The 
httpclient implementation uses this extension point (and is defined in 
another plugin:  org.eclipse.ecf.provider.filetransfer.http).

The basic implementation that uses jobs for doing pause/resume 
(IFileTransferPausable) is in 
org.eclipse.ecf.provider.filetransfer.retrieve.AbstractRetrieveFileTransfer.  
This can/could be used (and appropriate methods overidden) or 
replaced...up to you as to what makes sense.

Filip please let me and everyone know if you have any 
questions/comments/suggested or needed changes...and thanksinadvance!  I 
would/will be curious myself about what http/https impl you are looking 
to use and what specific http/https protocol features you will be using 
as well.

Scott

Thomas Hallgren wrote:
> Hi Scott,
> We, (the Buckminster team) would like to offer our help in 
> implementing protocol-level pause/resume and recovery capabilities for 
> the ECF http/https file transfer. I'd like you to meet Filip Hrbek. He 
> is the Buckminster guy who currently works on improving our 
> materialization. He will be our main resource for this, should you 
> accept our help. So Filip, meet Scott. Scott meet Filip.
>
> Regards,
> Thomas Hallgren
>
>
>
> Scott Lewis wrote:
> > Hi Thomas,
> >
> > Thomas Hallgren wrote:
> > > Hi Scott,
> > > Thanks for a very elaborate answer. This looks very promising. Well 
> > > structured, low overhead. Only thing missing if I read you correctly 
> > > is true pause/resume on protocol level (and the failure recovery 
> > > that I think will come as a bonus). Do you have any sense what it 
> > > would take to implement that?
> >
> > It depends upon each protocol and it's corresponding support in 
> > (some) protocol library.  I assume you are most interested in 
> > http/https.  I'll take a look at the httpclient 3.0.1 support for 
> > pause/resume and failure recovery.
> >
> > Scott
> >
> >
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