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  • Committer: Vincent Ladeuil
  • Date: 2008-01-02 14:13:55 UTC
  • mto: (3159.1.1 trunk)
  • mto: This revision was merged to the branch mainline in revision 3161.
  • Revision ID: v.ladeuil+lp@free.fr-20080102141355-k20yfjo6i1dasuny
Fix #179368 by keeping the current range hint on ShortReadvErrors.

* response.py:
(RangeFile._checked_read): Avoid huge buffering when huge seeks
are required.

* _urllib2_wrappers.py:
(Response.finish): Check for end-of-file or we'll loop if the
server lied about Content-Length.

* __init__.py:
(HttpTransportBase._readv): When a ShortReadvError occurs, try
again, staying in multiple range mode and degrades only if the
error occurs again for the same offset.

* test_http_response.py:
(TestRangeFileMultipleRanges): Add a test to exercise the buffer
overflow protection code.

* test_http.py:
(TestMultipleRangeWithoutContentLengthServer): Emulate lighttpd
behavior regarding bug #179368.

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Lines of Context:
tools/trace-revisions
 
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#! /usr/bin/env python
 
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import sys
 
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from bzrlib.branch import Branch
 
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b = Branch.open('.')
 
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rev_id = sys.argv[1]
 
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rh = []
 
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while True:
 
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    rh.append(rev_id)
 
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    rev = b.get_revision(rev_id)
 
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    if rev.parent_ids:
 
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        rev_id = rev.parent_ids[0]
 
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    else:
 
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        break
 
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rh.reverse()
 
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for rev_id in rh:
 
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    print rev_id