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https://github.com/mail-in-a-box/mailinabox.git
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36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
#####
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##### This file is part of Mail-in-a-Box-LDAP which is released under the
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##### terms of the GNU Affero General Public License as published by the
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##### Free Software Foundation, either version 3 of the License, or (at
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##### your option) any later version. See file LICENSE or go to
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##### https://github.com/downtownallday/mailinabox-ldap for full license
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##### details.
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#####
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'''subclass this and override all methods to persist the position of
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the log file that has been processed so far.
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this enables the log monitor to pick up where it left off
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a single FilePositionStore can safely be used with multiple
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LogMonitor instances
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'''
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class ReadPositionStore(object):
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def get(self, log_file, inode):
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'''return the offset from the start of the file of the last
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position saved for log_file having the given inode, or zero if
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no position is currently saved
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'''
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raise NotImplementedError()
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def save(self, log_file, inode, offset):
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'''save the current position'''
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raise NotImplementedError()
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def clear(self, log_file):
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'''remove all entries for `log_file`'''
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raise NotImplementedError()
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