mirror of
https://github.com/thingsboard/thingsboard-gateway
synced 2025-10-26 22:31:42 +08:00
107 lines
4.6 KiB
Python
107 lines
4.6 KiB
Python
# Copyright 2022. ThingsBoard
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# #
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# #
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# http://www.apache.org/licenses/LICENSE-2.0
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# #
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from thingsboard_gateway.connectors.converter import Converter, log
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from thingsboard_gateway.gateway.proto.messages_pb2 import ConnectMsg, DisconnectMsg, GatewayAttributesMsg, GatewayAttributesRequestMsg, GatewayClaimMsg, \
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GatewayRpcResponseMsg, GatewayTelemetryMsg, KeyValueProto, KeyValueType, Response
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class GrpcUplinkConverter(Converter):
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def __init__(self):
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self.__conversion_methods = {
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Response.DESCRIPTOR: self.__convert_response_msg,
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GatewayTelemetryMsg.DESCRIPTOR: self.__convert_gateway_telemetry_msg,
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GatewayAttributesMsg.DESCRIPTOR: self.__convert_gateway_attributes_msg,
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GatewayClaimMsg.DESCRIPTOR: self.__convert_gateway_claim_msg,
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ConnectMsg.DESCRIPTOR: self.__convert_connect_msg,
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DisconnectMsg.DESCRIPTOR: self.__convert_disconnect_msg,
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GatewayRpcResponseMsg.DESCRIPTOR: self.__convert_gateway_rpc_response_msg,
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GatewayAttributesRequestMsg.DESCRIPTOR: self.__convert_gateway_attributes_request_msg
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}
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def convert(self, config, data):
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try:
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if self.__conversion_methods.get(data.DESCRIPTOR) is not None:
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return self.__conversion_methods[data.DESCRIPTOR](data)
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else:
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log.error("[GRPC] unknown uplink message descriptor: %r", data.DESCRIPTOR)
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return {}
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except Exception as e:
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log.exception("[GRPC] ", e)
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return {}
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@staticmethod
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def __convert_response_msg(self, msg: Response):
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log.debug("Converted response: %r", msg.response)
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@staticmethod
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def __convert_gateway_telemetry_msg(msg: GatewayTelemetryMsg):
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result = []
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for telemetry_msg in msg.msg:
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device_dict = {"deviceName": telemetry_msg.deviceName, "telemetry": []}
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for ts_kv_list in telemetry_msg.msg.tsKvList:
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ts_kv_list_dict = {"ts": ts_kv_list.ts, "values": {}}
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for kv in ts_kv_list.kv:
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ts_kv_list_dict['values'][kv.key] = GrpcUplinkConverter.get_value(kv)
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device_dict['telemetry'].append(ts_kv_list_dict)
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result.append(device_dict)
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return result
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@staticmethod
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def __convert_gateway_attributes_msg(msg: GatewayAttributesMsg):
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result = []
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for attributes_msg in msg.msg:
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device_dict = {"deviceName": attributes_msg.deviceName, "attributes": {}}
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for kv in attributes_msg.msg.kv:
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device_dict['attributes'][kv.key] = GrpcUplinkConverter.get_value(kv)
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result.append(device_dict)
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return result
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@staticmethod
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def __convert_gateway_claim_msg(msg: GatewayClaimMsg):
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result_dict = {}
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for claim_device_msg in msg:
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result_dict.update({claim_device_msg.deviceName: {"secretKey": claim_device_msg.msg.secretKey, "durationMs": claim_device_msg.msg.durationMs}})
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return result_dict
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@staticmethod
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def __convert_connect_msg(msg: ConnectMsg) -> dict:
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result_dict = {'deviceName': msg.deviceName, 'deviceType': msg.deviceType}
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return result_dict
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@staticmethod
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def __convert_disconnect_msg(msg: DisconnectMsg):
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return {"deviceName": msg.deviceName}
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@staticmethod
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def __convert_gateway_rpc_response_msg(msg: GatewayRpcResponseMsg):
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return {"deviceName": msg.deviceName, "id": msg.id, "data": msg.data}
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@staticmethod
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def __convert_gateway_attributes_request_msg(msg: GatewayAttributesRequestMsg):
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return {"id": msg.id, "deviceName": msg.deviceName, "client": msg.client, "keys": msg.keys}
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@staticmethod
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def get_value(msg: KeyValueProto):
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if msg.type == KeyValueType.BOOLEAN_V:
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return msg.bool_v
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if msg.type == KeyValueType.LONG_V:
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return msg.long_v
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if msg.type == KeyValueType.DOUBLE_V:
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return msg.double_v
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if msg.type == KeyValueType.STRING_V:
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return msg.string_v
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if msg.type == KeyValueType.JSON_V:
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return msg.json_v
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