Excellent, look forward to trying it out! On Dec 3, 4:35 pm, Vince Bonfanti <vbonfa...@gmail.com> wrote: > I just committed the code to add support for the If-Modified-Since request > header (and the Last-Modified and Content-Length response headers). It'll be > in the next GaeVFS release, which will happen after SDK 1.2.8 is released to > production. > > BTW, the way this works is that the client simply takes the value from the > Last-Modified response header and sends it back as the If-Modified-Since > request header, so there's no need to worry about synchronization between > client time and server time. I tested on Chrome, IE8, and Firefox (all on > Windows). > > Thanks for the info. > > Vince > > On Fri, Nov 27, 2009 at 12:56 PM, James H <james.hollier...@gmail.com>wrote: > > > > > Here's some legwork...you can drill-down to section 14.25 of the page > > below where it describes the If-Modified-Since header. Basically, any > > Get with this header including a timestamp can be compared to the > > timestamp for the matching Entity to determine whether to respond > > normally (return the image) or respond with a 304 (Not modified) > > response. I think the trick is determining the compare granualarity > > since the server time and the client time are never exactly in sync. > > Perhaps the granularity for comparison should be down to the minute, > > not seconds and definitely not millisecond. What do you think? > > >http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html > > > On Oct 23, 10:08 am, Vince Bonfanti <vbonfa...@gmail.com> wrote: > > > No, not yet. It's on the TODO list (see line 171 of the GaeVfsServlet > > > source code). If you--or anyone else--wants to add this I'll be happy > > > to accept a patch. > > > > Vince > > > > On Fri, Oct 23, 2009 at 11:42 AM, Diana Cruise <diana.l.cru...@gmail.com> > > wrote: > > > > > In terms of performance does gaevfs accmmodate http resource timestamp > > > > checks to avoid re-downloading repeated requests for the same images?- > > Hide quoted text - > > > > - Show quoted text -- Hide quoted text - > > - Show quoted text -
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