50 lines
657 B
Python
50 lines
657 B
Python
def gen_cmd(s):
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x = (0
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| s[0] << 0
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| s[1] << 8
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| s[2] << 16
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| s[3] << 24
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)
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x ^= (x << 13) & 0xffff_ffff
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x ^= (x >> 17) & 0xffff_ffff
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x ^= (x << 5) & 0xffff_ffff
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return x
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commands = [
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"WRTE",
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"READ",
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"JUMP",
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"SPED",
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"MPLS",
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]
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replies = [
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"wrte",
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"read",
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"jump",
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"sped",
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"crcw",
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"crcr",
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"mpls",
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"mlcs",
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]
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seen = set()
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for c in commands:
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x = gen_cmd(c.encode('ascii'))
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assert x not in seen
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seen.add(x)
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print(c, f"{x:08x}")
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for c in replies:
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x = gen_cmd(c.encode('ascii'))
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assert x not in seen
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seen.add(x)
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print(c, f"{x:08x}")
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