The x-sendfile seems a good solution. In the case of the original
poster, he will have to save the data in a temp file and then x-send it.
/AITOR
On 11/6/07, Will Green <[EMAIL PROTECTED]> wrote:
>
> Don't use send_data! Especially if you're streaming a large file!
>
> Using send_data ties up the Rails process to stream a file, something
> the front-end web server (Apache, Lighty, whatever) is FAR better suited
> to do. Let me repeat that: using send_data means that process (Mongrel,
> FCGI) cannot accept another rails request until you're done streaming
> the file.
>
> You can offload sending the file to front-end server using X-Sendfile
> headers. Google for your server's specific implementation of x-sendfile,
> and here's the Rails plugin to enable it:
>
> http://john.guen.in/past/2007/4/17/send_files_faster_with_xsendfile/
>
> ==
> Will Green
>
> Aitor Garay-Romero wrote:
> > My first impression is that this is not directly possible in Radiant.
> >
> > You could access the send_data() method of ActionController
> indirectly
> > through an instance or class variable. The problem is that Radiant
> will
> > try to render the page+layout and send it back to the user, so with the
> > "extra" send_data() you will get a double render error from Rails.
> >
> > A solution is to do the send_data() in Rails code and modify the
> routes
> > so the download request get routed to an action/controller outside
> Radiant.
> > You could do this with one of the existing rails-on-radiant extensions
> > available, or hack directly the Radiant code.
> >
> > Anyway, it would be nice to have this send-data functionality packed
> in
> > a Radiant extension. It looks a nice feature to have.
> >
> > /AITOR
> >
> > On 11/6/07, Enzo Ferro <[EMAIL PROTECTED]> wrote:
> >> Hy everybody,
> >> how can I use the "send_data" method in a radius tag?
> >>
> >> More details:
> >> in a RoR application I've used the method "send_data" to download e
> file
> >> stored in a database table in this way:
> >>
> >> rhtml code:
> >> <%= link_to 'Download', :action => 'download', :id => file_list.id %>
> >>
> >> controller code:
> >> def download
> >> @file = FileList.find(params[:id])
> >> @xml = @file.xmlfile #polymorphic associations
> >> send_data(@xml.file, :type => "txt/xml", :filename =>
> >> "[EMAIL PROTECTED]")
> >> end
> >>
> >> It's work fine, but now in my radiant extension I need a tag that do
> the
> >> same thing. I've developed this tag:
> >>
> >> tag "download" do |tag|
> >>
> >> @file_id = request.parameters[:file]
> >> @file = FileList.find(:all, :conditions => [ "id = ?", @file_id ])
> >> @ file.each do |file|
> >> send_data("#{file.xmlfile.file}", :type => "txt/xml", :filename =>
> >> "#{file.filename}")
> >> end
> >> end
> >>
> >> It returs me the error "undefined method send_data for #"
> >>
> >> Anyone can help me?
> >>
> >> Thanks and greatings
> >> --
> >> Posted via http://www.ruby-forum.com/.
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> >>
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> >
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