48 lines
2.1 KiB
Python
48 lines
2.1 KiB
Python
# Copyright (c) 2013, Kevin Greenan (kmgreen2@gmail.com)
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution. THIS SOFTWARE IS
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# PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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# NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import pyeclib
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from pyeclib.ec_iface import ECDriver
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import random
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import string
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import sys
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import os
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import argparse
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parser = argparse.ArgumentParser(
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description='PyECLib tool to determine fragment indexes needed to '
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'recover missing fragments.')
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parser.add_argument('k', type=int, help='number of data elements')
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parser.add_argument('m', type=int, help='number of parity elements')
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parser.add_argument('ec_type', help='EC algorithm used')
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parser.add_argument('missing_fragments', type=int, metavar='missing_fragment',
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nargs='+', help='missing_fragments')
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args = parser.parse_args()
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ec_driver = ECDriver(k=args.k, m=args.m, ec_type=args.ec_type)
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fragments_needed = ec_driver.fragments_needed(args.missing_fragments)
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print(fragments_needed)
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