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Diffstat (limited to 'vendor/bin/naturalselection')
| l---------[-rwxr-xr-x] | vendor/bin/naturalselection | 141 |
1 files changed, 1 insertions, 140 deletions
diff --git a/vendor/bin/naturalselection b/vendor/bin/naturalselection index 7e20439c1..e6f1b3a2a 100755..120000 --- a/vendor/bin/naturalselection +++ b/vendor/bin/naturalselection @@ -1,140 +1 @@ -#!/usr/bin/env python - -# -# Copyright (c) 2009-2010 Evert Pot -# All rights reserved. -# http://www.rooftopsolutions.nl/ -# -# This utility is distributed along with SabreDAV -# license: http://sabre.io/license/ Modified BSD License - -import os -from optparse import OptionParser -import time - -def getfreespace(path): - stat = os.statvfs(path) - return stat.f_frsize * stat.f_bavail - -def getbytesleft(path,threshold): - return getfreespace(path)-threshold - -def run(cacheDir, threshold, sleep=5, simulate=False, min_erase = 0): - - bytes = getbytesleft(cacheDir,threshold) - if (bytes>0): - print "Bytes to go before we hit threshold:", bytes - else: - print "Threshold exceeded with:", -bytes, "bytes" - dir = os.listdir(cacheDir) - dir2 = [] - for file in dir: - path = cacheDir + '/' + file - dir2.append({ - "path" : path, - "atime": os.stat(path).st_atime, - "size" : os.stat(path).st_size - }) - - dir2.sort(lambda x,y: int(x["atime"]-y["atime"])) - - filesunlinked = 0 - gainedspace = 0 - - # Left is the amount of bytes that need to be freed up - # The default is the 'min_erase setting' - left = min_erase - - # If the min_erase setting is lower than the amount of bytes over - # the threshold, we use that number instead. - if left < -bytes : - left = -bytes - - print "Need to delete at least:", left; - - for file in dir2: - - # Only deleting files if we're not simulating - if not simulate: os.unlink(file["path"]) - left = int(left - file["size"]) - gainedspace = gainedspace + file["size"] - filesunlinked = filesunlinked + 1 - - if(left<0): - break - - print "%d files deleted (%d bytes)" % (filesunlinked, gainedspace) - - - time.sleep(sleep) - - - -def main(): - parser = OptionParser( - version="naturalselection v0.3", - description="Cache directory manager. Deletes cache entries based on accesstime and free space thresholds.\n" + - "This utility is distributed alongside SabreDAV.", - usage="usage: %prog [options] cacheDirectory", - ) - parser.add_option( - '-s', - dest="simulate", - action="store_true", - help="Don't actually make changes, but just simulate the behaviour", - ) - parser.add_option( - '-r','--runs', - help="How many times to check before exiting. -1 is infinite, which is the default", - type="int", - dest="runs", - default=-1 - ) - parser.add_option( - '-n','--interval', - help="Sleep time in seconds (default = 5)", - type="int", - dest="sleep", - default=5 - ) - parser.add_option( - '-l','--threshold', - help="Threshold in bytes (default = 10737418240, which is 10GB)", - type="int", - dest="threshold", - default=10737418240 - ) - parser.add_option( - '-m', '--min-erase', - help="Minimum number of bytes to erase when the threshold is reached. " + - "Setting this option higher will reduce the number of times the cache directory will need to be scanned. " + - "(the default is 1073741824, which is 1GB.)", - type="int", - dest="min_erase", - default=1073741824 - ) - - options,args = parser.parse_args() - if len(args)<1: - parser.error("This utility requires at least 1 argument") - cacheDir = args[0] - - print "Natural Selection" - print "Cache directory:", cacheDir - free = getfreespace(cacheDir); - print "Current free disk space:", free - - runs = options.runs; - while runs!=0 : - run( - cacheDir, - sleep=options.sleep, - simulate=options.simulate, - threshold=options.threshold, - min_erase=options.min_erase - ) - if runs>0: - runs = runs - 1 - -if __name__ == '__main__' : - main() +../sabre/dav/bin/naturalselection
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