mirror of
https://github.com/thingsboard/thingsboard-gateway
synced 2025-10-26 22:31:42 +08:00
95 lines
3.5 KiB
Python
95 lines
3.5 KiB
Python
# Copyright 2024. 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 time import time
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from datetime import timezone
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from thingsboard_gateway.connectors.opcua.opcua_converter import OpcUaConverter
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from asyncua.ua.uatypes import LocalizedText, VariantType
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DATA_TYPES = {
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'attributes': 'attributes',
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'timeseries': 'telemetry'
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}
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class OpcUaUplinkConverter(OpcUaConverter):
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def __init__(self, config, logger):
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self._log = logger
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self.__config = config
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self.data = {
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'deviceName': self.__config['device_name'],
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'deviceType': self.__config['device_type'],
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'attributes': [],
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'telemetry': [],
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}
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self._last_node_timestamp = 0
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def clear_data(self):
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self.data = {
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'deviceName': self.__config['device_name'],
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'deviceType': self.__config['device_type'],
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'attributes': [],
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'telemetry': [],
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}
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def get_data(self):
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if len(self.data['attributes']) or len(self.data['telemetry']):
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data_list = []
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device_names = self.__config.get('device_names')
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if device_names:
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for device in device_names:
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self.data['deviceName'] = device
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data_list.append(self.data)
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return data_list
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return [self.data]
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return None
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def convert(self, config, val):
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if not val:
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return
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data = val.Value.Value
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if data is not None:
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if isinstance(data, LocalizedText):
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data = data.Text
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elif val.Value.VariantType == VariantType.ExtensionObject:
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data = str(data)
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elif val.Value.VariantType == VariantType.DateTime:
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if data.tzinfo is None:
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data = data.replace(tzinfo=timezone.utc)
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data = data.isoformat()
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if config['section'] == 'timeseries':
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if val.SourceTimestamp and int(val.SourceTimestamp.replace(
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tzinfo=timezone.utc).timestamp() * 1000) != self._last_node_timestamp:
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timestamp = int(val.SourceTimestamp.replace(tzinfo=timezone.utc).timestamp() * 1000)
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self._last_node_timestamp = timestamp
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elif val.ServerTimestamp and int(val.ServerTimestamp.replace(
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tzinfo=timezone.utc).timestamp() * 1000) != self._last_node_timestamp:
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timestamp = int(val.ServerTimestamp.replace(tzinfo=timezone.utc).timestamp() * 1000)
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self._last_node_timestamp = timestamp
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else:
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timestamp = int(time() * 1000)
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self.data[DATA_TYPES[config['section']]].append({'ts': timestamp, 'values': {config['key']: data}})
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else:
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self.data[DATA_TYPES[config['section']]].append({config['key']: data})
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self._log.debug('Converted data: %s', self.data)
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