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d5c4007e32
2.将所有py文件中的'改为" 3.将透传模式从modbus中分成单独文件through_mode 4.将uart中从串口和云端接收数据处理的函数重新命名 5.将command.py文件改为command_mode.py文件、将modbus.py文件改为modbus_mode.py文件
77 lines
2.9 KiB
Python
77 lines
2.9 KiB
Python
from usr.modules.common import Singleton
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from usr.modules.logging import error_map
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from usr.modules.logging import RET
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from usr.modules.logging import getLogger
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log = getLogger(__name__)
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class ThroughMode(Singleton):
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def __init__(self):
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self.__protocol = None
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def set_protocol(self, protocol):
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self.__protocol = protocol
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def cloud_data_parse(self, data, topic_id, channel_id):
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ret_data = {"cloud_data":None, "uart_data":None}
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if isinstance(data, (int, float)):
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data = str(data)
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package_data = self.__protocol.package_datas(data, topic_id)
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print("package_data:", package_data)
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ret_data["uart_data"] = package_data
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return ret_data
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def uart_data_parse(self, data, cloud_channel_dict, cloud_channel_array=None):
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str_msg = data.decode()
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params_list = str_msg.split(",")
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if len(params_list) not in [2, 4, 5]:
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log.error("param length error")
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return False, []
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# Modbus模式和透传模式 下一个串口通道只能绑定一个云端口
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cloud_channel_id = cloud_channel_array[0]
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channel = cloud_channel_dict.get(str(cloud_channel_id))
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if not channel:
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log.error("Channel id not exist. Check serialID config.")
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return False, []
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print("channel.get(protocol):", channel.get("protocol"))
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if channel.get("protocol") in ["http", "tcp", "udp"]:
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msg_len = params_list[1]
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if msg_len == "0":
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return "", [cloud_channel_id]
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else:
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crc32 = params_list[1]
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msg_data = params_list[2]
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try:
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msg_len_int = int(msg_len)
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except:
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log.error("data parse error")
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return False, []
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valid_rec = self.__protocol.validate_length(msg_len_int, msg_data, str_msg)
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if not valid_rec:
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return False, []
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cal_crc32 = self.__protocol.crc32(msg_data)
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if cal_crc32 == crc32:
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return msg_data, [cloud_channel_id]
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else:
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log.error("crc32 error")
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return False, []
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else:
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topic_id = params_list[0]
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msg_len = params_list[1]
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crc32 = params_list[2]
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msg_data = params_list[3]
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try:
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msg_len_int = int(msg_len)
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except:
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log.error("data parse error")
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return False, []
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# 加入buffer
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valid_rec = self.__protocol.validate_length(msg_len_int, msg_data, str_msg)
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if not valid_rec:
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return False, []
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cal_crc32 = self.__protocol.crc32(msg_data)
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if crc32 == cal_crc32:
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return msg_data, [cloud_channel_id, topic_id]
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else:
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return False, [] |