mirror of https://github.com/D4-project/d4-core
32 lines
796 B
Python
Executable File
32 lines
796 B
Python
Executable File
#!/usr/bin/env python3
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# -*-coding:UTF-8 -*
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from ctypes import *
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class D4Header(Structure):
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_fields_ = [
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("version", c_uint8),
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("type", c_uint8),
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#("uuid", c_uint128),
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("uuid", c_uint64),
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("timestamp", c_uint64),
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#("hmac", c_uint256),
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("hmac", c_uint64),
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("size", c_uint32),
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]
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def pack(ctype_instance):
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return string_at(byref(ctype_instance), sizeof(ctype_instance))
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def unpack(ctype, buffer):
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c_str = create_string_buffer(buffer)
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return cast(pointer(c_str), POINTER(ctype)).contents
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if __name__ == '__main__':
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d4h = D4Header(1,1,88888,1543398024,233243445342,342)
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print(d4h.version)
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buffer = pack(d4h)
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print(buffer)
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d = unpack(D4Header, buffer)
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assert(d4h.version == d.version)
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