I recently upgraded to httpd 2.0.55 and SVN 1.2.3 and ran into a problem
with mod_dav_svn's handling of HTTP requests with the Range attribute
in the header. Prior to 1.2, it looks like mod_dav_svn returns the range
the client requested, but in 1.2.3, it is now returning the whole file
rather than just the range. Here are the headers from the request and
response for a 1.2.3 server:
Request:
GET
/svn/ksimages/fc4/tags/FC4_0_001/i386/Fedora/RPMS/createrepo-0.4.2-2.noarch.rpm
HTTP/1.1
Host: yumsvr-pri
Accept-Encoding: identity
Range: bytes=440-4367
User-agent: urlgrabber/2.9.6
Response:
HTTP/1.1 200 OK
Date: Wed, 16 Nov 2005 00:08:12 GMT
Server: Apache/2.0.55 (Unix)
ETag:
"11736//fc4/tags/FC4_0_001/i386/Fedora/RPMS/createrepo-0.4.2-2.noarch.rpm"
Accept-Ranges: bytes
Content-Length: 17979
Connection: close
Content-Type: application/octet-stream
To verify that it was not just an overall apache problem, I tried
fetching just part of an HTML file not maintained within SVN and that
worked correctly. I also verified my test script against SVN 1.1.4 and
apache 2.0.52, and that correctly returned only the bytes requested.
My test script essentially is just the following:
#!/usr/bin/python
import sys
from urlgrabber.grabber import URLGrabber
ug = URLGrabber(keepalive = 1)
url = sys.argv[1]
local = 'partial'
print "url = " + url + " local = " + local
result = ug.urlgrab(url, local, range=(100,200))
Does anybody know why mod_dav_svn is not handling requests for a range
of bytes within a file and if there is a way for me to enable the old
behavior?
Thanks,
Brian
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Received on Wed Nov 16 02:26:32 2005