mirror of
https://github.com/MikuLeaks/KianaBH3.git
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41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import struct
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from game_server.net.cmd_id import CmdID
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class Packet:
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def __init__(self, buf: bytes):
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self.raw = buf
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self.head_magic = buf[:4]
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self.user_id = struct.unpack('>I', buf[12:16])[0]
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self.cmd_id = struct.unpack('>I', buf[24:28])[0]
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self.header_len = struct.unpack('>H', buf[28:30])[0]
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self.body_len = struct.unpack('>I', buf[30:34])[0]
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self.body = buf[34 + self.header_len:34 + self.header_len + self.body_len]
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self.tail_magic = buf[-4:]
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@staticmethod
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def send_packet(body):
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cmdid = CmdID[body.__class__.__name__]
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data = body.SerializeToString()
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buf = bytearray(38 + len(data))
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struct.pack_into('>I', buf, 0, 0x01234567)
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struct.pack_into('>H', buf, 4, 1)
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struct.pack_into('>H', buf, 6, 0)
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struct.pack_into('>I', buf, 8, 0)
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struct.pack_into('>I', buf, 12, 0)
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struct.pack_into('>I', buf, 16, 0)
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struct.pack_into('>I', buf, 20, 0)
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struct.pack_into('>I', buf, 24, cmdid)
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struct.pack_into('>H', buf, 28, 0)
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struct.pack_into('>I', buf, 30, len(data))
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buf[34:34 + len(data)] = data
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struct.pack_into('>I', buf, 34 + len(data), 0x89ABCDEF)
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return Packet(bytes(buf)) |