'''
数据结构定义类
'''
import ctypes

'''
iDataType 0-心跳，1-设备端登录，2-手机端登录，3-
'''
class CSHeadMessage(ctypes.Structure):
    _fields_ = [
        ('Flag',ctypes.c_char * 4),
        ('iDataType',ctypes.c_int),
        ('iDataLen',ctypes.c_int)
    ]

class CSDevLogin_Data(ctypes.Structure):
    _fields_ = [('DID',ctypes.c_char * 32)]

class CSAPPLogin_Data(ctypes.Structure):
    _fields_ = [
        ('username', ctypes.c_char * 32),
        ('passwd', ctypes.c_char * 32)
    ]