HCE Project Python language Distributed Tasks Manager Application, Distributed Crawler Application and client API bindings.
2.0.0-chaika
Hierarchical Cluster Engine Python language binding
ftest_crc32.py
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#coding: utf-8
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'''
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HCE project, Python bindings, DC dependencies
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The crc32 collisions research tests.
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@package: dc
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@author bgv bgv.hce@gmail.com
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@link: http://hierarchical-cluster-engine.com/
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@copyright: Copyright © 2015 IOIX Ukraine
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@license: http://hierarchical-cluster-engine.com/license/
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@since: 0.1
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'''
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import
ctypes
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import
zlib
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import
socket
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import
time
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import
uuid
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import
binascii
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_connection_uid =
'AAA'
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print
socket.gethostname() +
"-"
+ str(time.time()) +
"-"
+ uuid.uuid1().hex +
"-"
+ str(_connection_uid)
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h = {}
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t = time.time()
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s1 = socket.gethostname() +
"-"
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s2 =
"-"
+ uuid.uuid1().hex +
"-"
+ str(_connection_uid)
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i = 1
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j = 0
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maxItr = 10000000
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while
True
:
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ts = str(t)
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#ts = s1 + str(t) + s2
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ts = str(ctypes.c_uint32(zlib.crc32(ts, int(time.time()))).value)
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#ts = str(ctypes.c_uint32(binascii.crc32(ts)).value)
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if
ts
in
h:
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h[ts] += 1
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j += 1
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#print str(t) + "\n"
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else
:
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h[ts] = 1
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t -= 1
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i += 1
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if
t < 0
or
i > maxItr:
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break
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print
"Finished: "
+ str(i) +
" iterations, "
+ str(j) +
" collisions, hash len: "
+ str(len(h))
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sources
hce
ftests
ftest_crc32.py
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