On Nov 19, 2009, at 9:36 AM, Vlad Seryakov wrote:
> Yes, regular form parser uses mmap, so for huge files it is not good
> I use 1-2GB file pretty easily with the spooler.
> In the script, just check if the file is spooled
>
> set tmpfile [ns_conn contentfile]
> if { $tmpfile != "" } {
> # Rename to keep it from being deleted on session exit
> file rename $tmpfile $tmpfile.mpg
>
> # Call offline parser
> set form [ns_set create]
> ns_parseformfile $tmpfile $form [ns_set iget [ns_conn headers] content-type]
> }
Thank you Vlad, for this source code, which led me in the right direction.
This all works now and my nsd process never goes about 50mb in handling a 2gb
zip file upload.
In case anyone else has to ever deal with this, here were the issues with
handling a large file upload with the spooler:
A) the spooler wasn't being used, rather the old form handler was, so I changed
the config.tcl file to:
ns_param maxinput 3000000000
ns_param maxupload 1024
to force the spooler to be almost always used.
B) form vars are not parsed when the spooler is used, so ns_queryget doesn't
work, and instead something like this needs to be used to get to the form vars:
set form [ns_set create]
ns_parseformfile $tmpfile $form [ns_set iget [ns_conn headers]
content-type]
array set formdata [ns_set array $form]
----
Vlad, in the code sample you gave above, I don't think you want to do this:
> # Rename to keep it from being deleted on session exit
> file rename $tmpfile $tmpfile.mpg
because if you do that, the ns_parseformfile command immediately afterward
fails because the temp file is no longer there. Your code sample doesn't work.
Here is the code I finally settled on, which works great.
######################
#### NAVISERVER SPOOLER UPLOAD HANDLER CODE
set tmpfile [ns_conn contentfile]
if { $tmpfile == "" } {
ns_adp_puts {Something is wrong.}
return
}
set form [ns_set create]
ns_parseformfile $tmpfile $form [ns_set iget [ns_conn headers] content-type]
array set formdata [ns_set array $form]
puts "array: [array get formdata]"
# this code fills in the variables I need rather than using ns_queryget
set inemail $formdata(email)
set inpw $formdata(pw)
set desc $formdata(desc)
######################
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