mirror of https://github.com/xemu-project/xemu.git
54 lines
1.7 KiB
Python
Executable File
54 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Test parallels load bitmap
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#
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# Copyright (c) 2021 Virtuozzo International GmbH.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import iotests
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from iotests import qemu_nbd_popen, qemu_img_map, log, file_path
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iotests.script_initialize(supported_fmts=['parallels'])
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nbd_sock = file_path('nbd-sock', base_dir=iotests.sock_dir)
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disk = iotests.file_path('disk')
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bitmap = 'e4f2eed0-37fe-4539-b50b-85d2e7fd235f'
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nbd_opts = f'driver=nbd,server.type=unix,server.path={nbd_sock}' \
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f',x-dirty-bitmap=qemu:dirty-bitmap:{bitmap}'
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iotests.unarchive_sample_image('parallels-with-bitmap', disk)
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with qemu_nbd_popen('--read-only', f'--socket={nbd_sock}',
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f'--bitmap={bitmap}', '-f', iotests.imgfmt, disk):
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chunks = qemu_img_map('--image-opts', nbd_opts)
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cluster = 64 * 1024
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log('dirty clusters (cluster size is 64K):')
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for c in chunks:
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assert c['start'] % cluster == 0
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assert c['length'] % cluster == 0
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if c['data']:
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continue
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a = c['start'] // cluster
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b = (c['start'] + c['length']) // cluster
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if b - a > 1:
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log(f'{a}-{b-1}')
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else:
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log(a)
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