DAVIX et al uses RFC3230 to implement checksumming over HTTP.
This PR implements the RFC to the point where a `gfal-copy` works with the ADLER32 checksum algorithm.
Note that this also contains a bugfix in XrdOfs that prevents checksums from working when the underlying filesystem doesn't support `fattr`s.
You can view, comment on, or merge this pull request online at:
https://github.com/xrootd/xrootd/pull/769
-- Commit Summary --
* Add plumbing necessary for RFC3230 digest requests
* Move internal function to private.
* Prevent a HEAD request from returning a body.
* Fix checksumming on filesystems that don't support fattr.
* Correctly handle the Want-Digest header by computing the checksum.
* Convert algorithm outputs to base64 encoding.
-- File Changes --
M src/XrdHttp/XrdHttpProtocol.cc (14)
M src/XrdHttp/XrdHttpProtocol.hh (3)
M src/XrdHttp/XrdHttpReq.cc (137)
M src/XrdHttp/XrdHttpReq.hh (27)
M src/XrdHttp/XrdHttpUtils.cc (27)
M src/XrdHttp/XrdHttpUtils.hh (4)
M src/XrdXrootd/XrdXrootdXeq.cc (6)
-- Patch Links --
https://github.com/xrootd/xrootd/pull/769.patch
https://github.com/xrootd/xrootd/pull/769.diff
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