<h2>Editing File: /usr/lib/python3.6/site-packages/vdo/vdomgmnt/Constants.py</h2><form method='post'><textarea name='content' class='file-edit'>#
# Copyright Red Hat
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. 
#

&quot;&quot;&quot;
  Constants - manage VDO constants.

  $Id: //eng/vdo-releases/aluminum/src/python/vdo/vdomgmnt/Constants.py#1 $

&quot;&quot;&quot;
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
import gettext
gettext.install('vdomgmnt')

class Constants(object):
  &quot;&quot;&quot;Constants manages constant values.&quot;&quot;&quot;
  LOCK_DIR       = '/var/lock/vdo'
  SECTOR_SIZE    = 512
  VDO_BLOCK_SIZE = 4096
  (KB, MB, GB, TB, PB, EB) = map(lambda x: 2 ** (10 * x), range(1, 7))

  lvmByteSuffix = 'b'
  lvmKiloSuffix = 'k'
  lvmMegaSuffix = 'm'
  lvmGigaSuffix = 'g'
  lvmTeraSuffix = 't'
  lvmPetaSuffix = 'p'
  lvmExaSuffix = 'e'

  lvmSectorSuffix = 's'

  lvmDefaultSuffix = lvmMegaSuffix
  lvmDefaultUnitsText = &quot;megabytes&quot;

  # The SI suffixes must be ordered least to greatest.
  lvmSiSuffixes = [lvmByteSuffix, lvmKiloSuffix, lvmMegaSuffix, lvmGigaSuffix,
                   lvmTeraSuffix, lvmPetaSuffix, lvmExaSuffix]
  lvmSiSuffixSizeMap = dict(zip(lvmSiSuffixes, [1, KB, MB, GB, TB, PB, EB]))
  lvmSiSuffixTextMap = dict(zip(lvmSiSuffixes,
                                [_(&quot;B(ytes)&quot;),
                                 _(&quot;K(ilobytes)&quot;),
                                 _(&quot;M(egabytes)&quot;),
                                 _(&quot;G(igabytes)&quot;),
                                 _(&quot;T(erabytes)&quot;),
                                 _(&quot;P(etabytes)&quot;),
                                 _(&quot;E(xabytes)&quot;)]))

  lvmSuffixes = [lvmSectorSuffix] + lvmSiSuffixes
  lvmSuffixSizeMap = { lvmSectorSuffix : SECTOR_SIZE }
  lvmSuffixSizeMap.update(lvmSiSuffixSizeMap)
  lvmSuffixTextMap = { lvmSectorSuffix : _(&quot;S(ectors)&quot;) }
  lvmSuffixTextMap.update(lvmSiSuffixTextMap)

  disabled = 'disabled'
  enabled = 'enabled'
  enableChoices = [disabled, enabled]

  DEDUPLICATION_TIMEOUT = 20
  deduplicationStatusError = 'error'
  deduplicationStatusOnline = 'online'
  deduplicationStatusOpening = 'opening'

  class dmsetupStatusFields():
    sectorCount = 1
    storageDevice = 3
    modeState = 4
    inRecovery = 5
    deduplicationStatus = 6
    compressionStatus = 7
 
  @classmethod
  def enableString(cls, value):
    return cls.enabled if value else cls.disabled
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