root / snf-cyclades-app / synnefo / logic / management / commands / util.py @ 18c4414d
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1 | 0eed6cf8 | Christos Stavrakakis | # Copyright 2012 GRNET S.A. All rights reserved.
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2 | 0eed6cf8 | Christos Stavrakakis | #
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3 | 0eed6cf8 | Christos Stavrakakis | # Redistribution and use in source and binary forms, with or
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4 | 0eed6cf8 | Christos Stavrakakis | # without modification, are permitted provided that the following
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5 | 0eed6cf8 | Christos Stavrakakis | # conditions are met:
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6 | 0eed6cf8 | Christos Stavrakakis | #
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7 | 0eed6cf8 | Christos Stavrakakis | # 1. Redistributions of source code must retain the above
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8 | 0eed6cf8 | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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9 | 0eed6cf8 | Christos Stavrakakis | # disclaimer.
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10 | 0eed6cf8 | Christos Stavrakakis | #
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11 | 0eed6cf8 | Christos Stavrakakis | # 2. Redistributions in binary form must reproduce the above
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12 | 0eed6cf8 | Christos Stavrakakis | # copyright notice, this list of conditions and the following
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13 | 0eed6cf8 | Christos Stavrakakis | # disclaimer in the documentation and/or other materials
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14 | 0eed6cf8 | Christos Stavrakakis | # provided with the distribution.
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15 | 0eed6cf8 | Christos Stavrakakis | #
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16 | 0eed6cf8 | Christos Stavrakakis | # THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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17 | 0eed6cf8 | Christos Stavrakakis | # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | 0eed6cf8 | Christos Stavrakakis | # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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19 | 0eed6cf8 | Christos Stavrakakis | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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20 | 0eed6cf8 | Christos Stavrakakis | # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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21 | 0eed6cf8 | Christos Stavrakakis | # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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22 | 0eed6cf8 | Christos Stavrakakis | # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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23 | 0eed6cf8 | Christos Stavrakakis | # USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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24 | 0eed6cf8 | Christos Stavrakakis | # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | 0eed6cf8 | Christos Stavrakakis | # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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26 | 0eed6cf8 | Christos Stavrakakis | # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 | 0eed6cf8 | Christos Stavrakakis | # POSSIBILITY OF SUCH DAMAGE.
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28 | 0eed6cf8 | Christos Stavrakakis | #
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29 | 0eed6cf8 | Christos Stavrakakis | # The views and conclusions contained in the software and
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30 | 0eed6cf8 | Christos Stavrakakis | # documentation are those of the authors and should not be
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31 | 0eed6cf8 | Christos Stavrakakis | # interpreted as representing official policies, either expressed
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32 | 0eed6cf8 | Christos Stavrakakis | # or implied, of GRNET S.A.
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33 | 0eed6cf8 | Christos Stavrakakis | |
34 | 0eed6cf8 | Christos Stavrakakis | from synnefo.db.models import MacPrefixPoolTable, BridgePoolTable |
35 | 0eed6cf8 | Christos Stavrakakis | |
36 | 0eed6cf8 | Christos Stavrakakis | |
37 | 0eed6cf8 | Christos Stavrakakis | def pool_table_from_type(type_): |
38 | 0eed6cf8 | Christos Stavrakakis | if type_ == "mac-prefix": |
39 | 0eed6cf8 | Christos Stavrakakis | return MacPrefixPoolTable
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40 | 0eed6cf8 | Christos Stavrakakis | elif type_ == "bridge": |
41 | 0eed6cf8 | Christos Stavrakakis | return BridgePoolTable
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42 | 0eed6cf8 | Christos Stavrakakis | # elif type == "ip":
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43 | 0eed6cf8 | Christos Stavrakakis | # return IPPoolTable
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44 | 0eed6cf8 | Christos Stavrakakis | else:
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45 | 0eed6cf8 | Christos Stavrakakis | raise ValueError("Invalid pool type") |
46 | 0eed6cf8 | Christos Stavrakakis | |
47 | 0eed6cf8 | Christos Stavrakakis | |
48 | 0eed6cf8 | Christos Stavrakakis | def pool_map_chunks(smap, step=64): |
49 | 0eed6cf8 | Christos Stavrakakis | for i in xrange(0, len(smap), step): |
50 | 0eed6cf8 | Christos Stavrakakis | yield smap[i:i + step] |