Revision 2715ade4 snf-pithos-backend/pithos/backends/lib/hashfiler/context_file.py
b/snf-pithos-backend/pithos/backends/lib/hashfiler/context_file.py | ||
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# Copyright 2011-2012 GRNET S.A. All rights reserved. |
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#
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# |
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# Redistribution and use in source and binary forms, with or |
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# without modification, are permitted provided that the following |
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# conditions are met: |
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#
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# |
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# 1. Redistributions of source code must retain the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer. |
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#
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# |
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# 2. Redistributions in binary form must reproduce the above |
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# copyright notice, this list of conditions and the following |
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# disclaimer in the documentation and/or other materials |
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# provided with the distribution. |
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#
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# |
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS |
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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# POSSIBILITY OF SUCH DAMAGE. |
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#
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# |
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# The views and conclusions contained in the software and |
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# documentation are those of the authors and should not be |
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# interpreted as representing official policies, either expressed |
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for chunk in chunks: |
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if padding: |
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if seek: |
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seek(padding -1, SEEK_CUR) |
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seek(padding - 1, SEEK_CUR)
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fwrite("\x00") |
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else: |
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fwrite(buffer(zeros(chunksize), 0, padding)) |
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#if self.dirty: |
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# fsync(fdesc.fileno()) |
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fdesc.close() |
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return False # propagate exceptions |
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return False # propagate exceptions
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def seek(self, offset, whence=SEEK_SET): |
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return self.fdesc.seek(offset, whence) |
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def sync_read_chunks(self, chunksize, nr, offset=0): |
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return file_sync_read_chunks(self.fdesc, chunksize, nr, offset) |
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