network_udp.py 文件源码

def _generateHeader(self, cmd, size):
        packet = bytearray()
        packet.append(cmd)
        packet.append(size & 0xFF)
        packet.append(size >> 8)
        return packet

# s = socket(AF_INET, SOCK_DGRAM)
# s.bind(('', 0))
# s.setsockopt(SOL_SOCKET, SO_BROADCAST, 1)