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Implement virStreamSendHole/virStreamRecvHole

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The return value for virStreamRecvHole is slightly different to
its C counterpart. In python, either it returns the hole size or
None if C API fails.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik
2017-05-22 07:57:26 +02:00
parent d8c880a10e
commit 1f42d8629f
3 changed files with 86 additions and 0 deletions
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21
libvirt-override-virStream.py
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@ -125,3 +125,24 @@
ret = libvirtmod.virStreamSend(self._o, data)
if ret == -1: raise libvirtError ('virStreamSend() failed')
return ret
def recvHole(self, flags = 0):
"""This method is used to determine the length in bytes
of the empty space to be created in a stream's target
file when uploading or downloading sparsely populated
files. This is the counterpart to sendHole.
"""
ret = libvirtmod.virStreamRecvHole(self._o, flags)
if ret is None: raise libvirtError ('virStreamRecvHole() failed')
return ret
def sendHole(self, length, flags = 0):
"""Rather than transmitting empty file space, this method
directs the stream target to create length bytes of empty
space. This method would be used when uploading or
downloading sparsely populated files to avoid the
needless copy of empty file space.
"""
ret = libvirtmod.virStreamSendHole(self._o, length, flags)
if ret == -1: raise libvirtError('virStreamSendHole() failed')
return ret