mirror of
https://github.com/thingsboard/thingsboard-gateway
synced 2025-10-26 22:31:42 +08:00
683 lines
36 KiB
Python
683 lines
36 KiB
Python
# Copyright 2020. 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 sys import getsizeof, executable, argv
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from os import listdir, path, execv, pathsep, system
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from time import time, sleep
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import logging
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import logging.config
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import logging.handlers
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from queue import Queue
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from random import choice
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from string import ascii_lowercase
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from threading import Thread, RLock
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from yaml import safe_load
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from simplejson import load, dumps, loads
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from thingsboard_gateway.tb_utility.tb_utility import TBUtility
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from thingsboard_gateway.gateway.tb_client import TBClient
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from thingsboard_gateway.gateway.tb_updater import TBUpdater
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from thingsboard_gateway.gateway.tb_logger import TBLoggerHandler
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from thingsboard_gateway.storage.memory_event_storage import MemoryEventStorage
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from thingsboard_gateway.storage.file_event_storage import FileEventStorage
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from thingsboard_gateway.gateway.tb_gateway_remote_configurator import RemoteConfigurator
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from thingsboard_gateway.gateway.tb_remote_shell import RemoteShell
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log = logging.getLogger('service')
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main_handler = logging.handlers.MemoryHandler(-1)
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DEFAULT_CONNECTORS = {
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"mqtt": "MqttConnector",
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"modbus": "ModbusConnector",
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"opcua": "OpcUaConnector",
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"ble": "BLEConnector",
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"request": "RequestConnector",
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"can": "CanConnector",
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"bacnet": "BACnetConnector",
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"odbc": "OdbcConnector",
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"rest": "RESTConnector",
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"snmp": "SNMPConnector",
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}
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class TBGatewayService:
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def __init__(self, config_file=None):
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self.stopped = False
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self.__lock = RLock()
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if config_file is None:
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config_file = path.dirname(path.dirname(path.abspath(__file__))) + '/config/tb_gateway.yaml'.replace('/', path.sep)
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with open(config_file) as general_config:
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config = safe_load(general_config)
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self._config_dir = path.dirname(path.abspath(config_file)) + path.sep
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logging_error = None
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try:
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logging.config.fileConfig(self._config_dir + "logs.conf", disable_existing_loggers=False)
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except Exception as e:
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logging_error = e
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global log
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log = logging.getLogger('service')
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log.info("Gateway starting...")
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self.__updater = TBUpdater()
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self.__updates_check_period_ms = 300000
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self.__updates_check_time = 0
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self.version = self.__updater.get_version()
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log.info("ThingsBoard IoT gateway version: %s", self.version["current_version"])
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self.available_connectors = {}
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self.__connector_incoming_messages = {}
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self.__connected_devices = {}
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self.__saved_devices = {}
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self.__events = []
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self.name = ''.join(choice(ascii_lowercase) for _ in range(64))
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self.__rpc_register_queue = Queue(-1)
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self.__rpc_requests_in_progress = {}
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self.__connected_devices_file = "connected_devices.json"
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self.tb_client = TBClient(config["thingsboard"])
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self.tb_client.connect()
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self.subscribe_to_required_topics()
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self.__subscribed_to_rpc_topics = True
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if logging_error is not None:
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self.tb_client.client.send_telemetry({"ts": time()*1000, "values": {"LOGS": "Logging loading exception, logs.conf is wrong: %s" % (str(logging_error), )}})
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TBLoggerHandler.set_default_handler()
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self.counter = 0
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self.__rpc_reply_sent = False
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global main_handler
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self.main_handler = main_handler
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self.remote_handler = TBLoggerHandler(self)
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self.main_handler.setTarget(self.remote_handler)
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self._default_connectors = DEFAULT_CONNECTORS
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self._implemented_connectors = {}
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self._event_storage_types = {
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"memory": MemoryEventStorage,
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"file": FileEventStorage,
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}
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self.__gateway_rpc_methods = {
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"ping": self.__rpc_ping,
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"stats": self.__form_statistics,
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"devices": self.__rpc_devices,
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"update": self.__rpc_update,
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"version": self.__rpc_version,
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}
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self.__remote_shell = None
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if config["thingsboard"].get("remoteShell"):
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log.warning("Remote shell is enabled. Please be carefully with this feature.")
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self.__remote_shell = RemoteShell(platform=self.__updater.get_platform(), release=self.__updater.get_release())
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self.__rpc_remote_shell_command_in_progress = None
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self.__sheduled_rpc_calls = []
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self.__rpc_sheduled_methods_functions = {
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"restart": {"function": execv, "arguments": (executable, [executable.split(pathsep)[-1]] + argv)},
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"reboot": {"function": system, "arguments": ("reboot 0",)},
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}
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self._event_storage = self._event_storage_types[config["storage"]["type"]](config["storage"])
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self.connectors_configs = {}
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self._load_connectors(config)
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self._connect_with_connectors()
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self.__remote_configurator = None
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self.__request_config_after_connect = False
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if config["thingsboard"].get("remoteConfiguration"):
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try:
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self.__remote_configurator = RemoteConfigurator(self, config)
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except Exception as e:
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log.exception(e)
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if self.__remote_configurator is not None:
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self.__remote_configurator.send_current_configuration()
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self.__load_persistent_devices()
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self._published_events = Queue(-1)
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self._send_thread = Thread(target=self.__read_data_from_storage, daemon=True,
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name="Send data to Thingsboard Thread")
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self._send_thread.start()
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log.info("Gateway started.")
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try:
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gateway_statistic_send = 0
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while not self.stopped:
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cur_time = time()*1000
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if not self.tb_client.is_connected() and self.__subscribed_to_rpc_topics:
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self.__subscribed_to_rpc_topics = False
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if self.tb_client.is_connected() and not self.__subscribed_to_rpc_topics:
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for device in self.__saved_devices:
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self.add_device(device, {"connector": self.__saved_devices[device]["connector"]}, True, device_type=self.__saved_devices[device]["device_type"])
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self.subscribe_to_required_topics()
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self.__subscribed_to_rpc_topics = True
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if self.__sheduled_rpc_calls:
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for rpc_call_index in range(len(self.__sheduled_rpc_calls)):
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rpc_call = self.__sheduled_rpc_calls[rpc_call_index]
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if cur_time > rpc_call[0]:
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rpc_call = self.__sheduled_rpc_calls.pop(rpc_call_index)
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result = None
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try:
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result = rpc_call[1]["function"](*rpc_call[1]["arguments"])
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except Exception as e:
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log.exception(e)
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if result == 256:
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log.warning("Error on RPC command: 256. Permission denied.")
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if (self.__rpc_requests_in_progress or not self.__rpc_register_queue.empty()) and self.tb_client.is_connected():
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new_rpc_request_in_progress = {}
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if self.__rpc_requests_in_progress:
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for rpc_in_progress, data in self.__rpc_requests_in_progress.items():
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if cur_time >= data[1]:
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data[2](rpc_in_progress)
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self.cancel_rpc_request(rpc_in_progress)
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self.__rpc_requests_in_progress[rpc_in_progress] = "del"
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new_rpc_request_in_progress = {key: value for key, value in self.__rpc_requests_in_progress.items() if value != 'del'}
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if not self.__rpc_register_queue.empty():
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rpc_request_from_queue = self.__rpc_register_queue.get(False)
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topic = rpc_request_from_queue["topic"]
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data = rpc_request_from_queue["data"]
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new_rpc_request_in_progress[topic] = data
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self.__rpc_requests_in_progress = new_rpc_request_in_progress
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else:
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try:
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sleep(.1)
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except Exception as e:
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log.exception(e)
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break
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if not self.__request_config_after_connect and self.tb_client.is_connected() and not self.tb_client.client.get_subscriptions_in_progress():
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self.__request_config_after_connect = True
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self.__check_shared_attributes()
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if cur_time - gateway_statistic_send > 5000.0 and self.tb_client.is_connected():
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summary_messages = self.__form_statistics()
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# with self.__lock:
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self.tb_client.client.send_telemetry(summary_messages)
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gateway_statistic_send = time()*1000
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# self.__check_shared_attributes()
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if cur_time - self.__updates_check_time >= self.__updates_check_period_ms:
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self.__updates_check_time = time()*1000
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self.version = self.__updater.get_version()
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except KeyboardInterrupt:
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self.__stop_gateway()
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except Exception as e:
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log.exception(e)
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self.__close_connectors()
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log.info("The gateway has been stopped.")
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self.tb_client.stop()
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def __close_connectors(self):
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for current_connector in self.available_connectors:
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try:
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self.available_connectors[current_connector].close()
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log.debug("Connector %s closed connection.", current_connector)
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except Exception as e:
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log.exception(e)
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def __stop_gateway(self):
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self.stopped = True
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self.__updater.stop()
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log.info("Stopping...")
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self.__close_connectors()
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log.info("The gateway has been stopped.")
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self.tb_client.stop()
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def _attributes_parse(self, content, *args):
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try:
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log.debug("Received data: %s", content)
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log.debug(args)
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if content is not None:
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shared_attributes = content.get("shared")
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client_attributes = content.get("client")
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new_configuration = shared_attributes.get("configuration") if shared_attributes is not None and shared_attributes.get("configuration") is not None else content.get("configuration")
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if new_configuration is not None and self.__remote_configurator is not None:
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try:
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confirmed = self.__remote_configurator.process_configuration(new_configuration)
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# if confirmed:
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# self._send_thread = Thread(target=self.__read_data_from_storage, daemon=True,
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# name="Send data to Thingsboard Thread")
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# self._send_thread.start()
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self.__remote_configurator.send_current_configuration()
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except Exception as e:
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log.exception(e)
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remote_logging_level = shared_attributes.get('RemoteLoggingLevel') if shared_attributes is not None else content.get("RemoteLoggingLevel")
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if remote_logging_level == 'NONE':
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self.remote_handler.deactivate()
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log.info('Remote logging has being deactivated.')
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elif remote_logging_level is not None:
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if self.remote_handler.current_log_level != remote_logging_level or not self.remote_handler.activated:
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self.main_handler.setLevel(remote_logging_level)
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self.remote_handler.activate(remote_logging_level)
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log.info('Remote logging has being updated. Current logging level is: %s ', remote_logging_level)
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if shared_attributes is not None:
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log.debug("Shared attributes received (%s).", ", ".join([attr for attr in shared_attributes.keys()]))
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if client_attributes is not None:
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log.debug("Client attributes received (%s).", ", ".join([attr for attr in client_attributes.keys()]))
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except Exception as e:
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log.exception(e)
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def get_config_path(self):
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return self._config_dir
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def subscribe_to_required_topics(self):
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self.tb_client.client.gw_set_server_side_rpc_request_handler(self._rpc_request_handler)
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self.tb_client.client.set_server_side_rpc_request_handler(self._rpc_request_handler)
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self.tb_client.client.subscribe_to_all_attributes(self._attribute_update_callback)
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self.tb_client.client.gw_subscribe_to_all_attributes(self._attribute_update_callback)
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def __check_shared_attributes(self):
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self.tb_client.client.request_attributes(callback=self._attributes_parse)
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def _load_connectors(self, main_config):
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self.connectors_configs = {}
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if main_config.get("connectors"):
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for connector in main_config['connectors']:
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try:
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connector_class = TBUtility.check_and_import(connector["type"], self._default_connectors.get(connector["type"], connector.get("class")))
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self._implemented_connectors[connector["type"]] = connector_class
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with open(self._config_dir + connector['configuration'], 'r', encoding="UTF-8") as conf_file:
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connector_conf = load(conf_file)
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if not self.connectors_configs.get(connector['type']):
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self.connectors_configs[connector['type']] = []
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connector_conf["name"] = connector["name"]
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self.connectors_configs[connector['type']].append({"name": connector["name"], "config": {connector['configuration']: connector_conf}})
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except Exception as e:
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log.error("Error on loading connector:")
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log.exception(e)
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else:
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log.error("Connectors - not found! Check your configuration!")
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main_config["remoteConfiguration"] = True
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log.info("Remote configuration is enabled forcibly!")
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def _connect_with_connectors(self):
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for connector_type in self.connectors_configs:
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for connector_config in self.connectors_configs[connector_type]:
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for config in connector_config["config"]:
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connector = None
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try:
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if connector_config["config"][config] is not None:
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connector = self._implemented_connectors[connector_type](self, connector_config["config"][config],
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connector_type)
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connector.setName(connector_config["name"])
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self.available_connectors[connector.get_name()] = connector
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connector.open()
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else:
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log.info("Config not found for %s", connector_type)
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except Exception as e:
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log.exception(e)
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if connector is not None:
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connector.close()
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def send_to_storage(self, connector_name, data):
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if not connector_name == self.name:
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if not TBUtility.validate_converted_data(data):
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log.error("Data from %s connector is invalid.", connector_name)
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return None
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if data["deviceName"] not in self.get_devices():
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self.add_device(data["deviceName"],
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{"connector": self.available_connectors[connector_name]}, wait_for_publish=True, device_type=data["deviceType"])
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if not self.__connector_incoming_messages.get(connector_name):
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self.__connector_incoming_messages[connector_name] = 0
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else:
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self.__connector_incoming_messages[connector_name] += 1
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else:
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data["deviceName"] = "currentThingsBoardGateway"
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telemetry = {}
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telemetry_with_ts = []
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for item in data["telemetry"]:
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if item.get("ts") is None:
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telemetry = {**telemetry, **item}
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else:
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telemetry_with_ts.append({"ts": item["ts"], "values": {**item["values"]}})
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if telemetry_with_ts:
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data["telemetry"] = telemetry_with_ts
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else:
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data["telemetry"] = {"ts": int(time() * 1000), "values": telemetry}
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json_data = dumps(data)
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save_result = self._event_storage.put(json_data)
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if not save_result:
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log.error('Data from the device "%s" cannot be saved, connector name is %s.',
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data["deviceName"],
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connector_name)
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def check_size(self, size, devices_data_in_event_pack):
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if size >= 48000:
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self.__send_data(devices_data_in_event_pack)
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size = 0
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return size
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def __read_data_from_storage(self):
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devices_data_in_event_pack = {}
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log.debug("Send data Thread has been started successfully.")
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while True:
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try:
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if self.tb_client.is_connected():
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size = getsizeof(devices_data_in_event_pack)
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events = []
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if self.__remote_configurator is None or not self.__remote_configurator.in_process:
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events = self._event_storage.get_event_pack()
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if events:
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for event in events:
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self.counter += 1
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try:
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current_event = loads(event)
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except Exception as e:
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log.exception(e)
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continue
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if not devices_data_in_event_pack.get(current_event["deviceName"]):
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devices_data_in_event_pack[current_event["deviceName"]] = {"telemetry": [],
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"attributes": {}}
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if current_event.get("telemetry"):
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if isinstance(current_event["telemetry"], list):
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for item in current_event["telemetry"]:
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size += getsizeof(item)
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size = self.check_size(size, devices_data_in_event_pack)
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devices_data_in_event_pack[current_event["deviceName"]]["telemetry"].append(item)
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else:
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size += getsizeof(current_event["telemetry"])
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size = self.check_size(size, devices_data_in_event_pack)
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devices_data_in_event_pack[current_event["deviceName"]]["telemetry"].append(current_event["telemetry"])
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if current_event.get("attributes"):
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if isinstance(current_event["attributes"], list):
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for item in current_event["attributes"]:
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size += getsizeof(item)
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size = self.check_size(size, devices_data_in_event_pack)
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devices_data_in_event_pack[current_event["deviceName"]]["attributes"].update(item.items())
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else:
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size += getsizeof(current_event["attributes"].items())
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size = self.check_size(size, devices_data_in_event_pack)
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devices_data_in_event_pack[current_event["deviceName"]]["attributes"].update(current_event["attributes"].items())
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if devices_data_in_event_pack:
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if not self.tb_client.is_connected():
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continue
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while self.__rpc_reply_sent:
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sleep(.01)
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self.__send_data(devices_data_in_event_pack)
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if self.tb_client.is_connected() and (self.__remote_configurator is None or not self.__remote_configurator.in_process):
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success = True
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while not self._published_events.empty():
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if (self.__remote_configurator is not None and self.__remote_configurator.in_process) or \
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not self.tb_client.is_connected() or \
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self._published_events.empty() or \
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self.__rpc_reply_sent:
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success = False
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break
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event = self._published_events.get(False, 10)
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try:
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if self.tb_client.is_connected() and (self.__remote_configurator is None or not self.__remote_configurator.in_process):
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if self.tb_client.client.quality_of_service == 1:
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success = event.get() == event.TB_ERR_SUCCESS
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else:
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success = True
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else:
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break
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except Exception as e:
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log.exception(e)
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success = False
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sleep(.01)
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if success:
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self._event_storage.event_pack_processing_done()
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del devices_data_in_event_pack
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devices_data_in_event_pack = {}
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else:
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continue
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else:
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sleep(.01)
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else:
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sleep(.1)
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except Exception as e:
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log.exception(e)
|
|
sleep(1)
|
|
|
|
def __send_data(self, devices_data_in_event_pack):
|
|
try:
|
|
for device in devices_data_in_event_pack:
|
|
if devices_data_in_event_pack[device].get("attributes"):
|
|
if device == self.name or device == "currentThingsBoardGateway":
|
|
self._published_events.put(self.tb_client.client.send_attributes(devices_data_in_event_pack[device]["attributes"]))
|
|
else:
|
|
self._published_events.put(self.tb_client.client.gw_send_attributes(device, devices_data_in_event_pack[device]["attributes"]))
|
|
if devices_data_in_event_pack[device].get("telemetry"):
|
|
if device == self.name or device == "currentThingsBoardGateway":
|
|
self._published_events.put(self.tb_client.client.send_telemetry(devices_data_in_event_pack[device]["telemetry"]))
|
|
else:
|
|
self._published_events.put(self.tb_client.client.gw_send_telemetry(device, devices_data_in_event_pack[device]["telemetry"]))
|
|
devices_data_in_event_pack[device] = {"telemetry": [], "attributes": {}}
|
|
except Exception as e:
|
|
log.exception(e)
|
|
|
|
def _rpc_request_handler(self, request_id, content):
|
|
try:
|
|
device = content.get("device")
|
|
if device is not None:
|
|
connector_name = self.get_devices()[device].get("connector")
|
|
if connector_name is not None:
|
|
connector_name.server_side_rpc_handler(content)
|
|
else:
|
|
log.error("Received RPC request but connector for the device %s not found. Request data: \n %s",
|
|
content["device"],
|
|
dumps(content))
|
|
else:
|
|
try:
|
|
method_split = content["method"].split('_')
|
|
module = None
|
|
if len(method_split) > 0:
|
|
module = method_split[0]
|
|
if module is not None:
|
|
result = None
|
|
if self.connectors_configs.get(module):
|
|
log.debug("Connector \"%s\" for RPC request \"%s\" found", module, content["method"])
|
|
for connector_name in self.available_connectors:
|
|
if self.available_connectors[connector_name]._connector_type == module:
|
|
log.debug("Sending command RPC %s to connector %s", content["method"], connector_name)
|
|
result = self.available_connectors[connector_name].server_side_rpc_handler(content)
|
|
elif module == 'gateway' or module in self.__remote_shell.shell_commands:
|
|
result = self.__rpc_gateway_processing(request_id, content)
|
|
else:
|
|
log.error("Connector \"%s\" not found", module)
|
|
result = {"error": "%s - connector not found in available connectors." % module, "code": 404}
|
|
if result is None:
|
|
self.send_rpc_reply(None, request_id, success_sent=False)
|
|
elif "qos" in result:
|
|
self.send_rpc_reply(None, request_id, dumps({k: v for k, v in result.items() if k != "qos"}), quality_of_service=result["qos"])
|
|
else:
|
|
self.send_rpc_reply(None, request_id, dumps(result))
|
|
except Exception as e:
|
|
self.send_rpc_reply(None, request_id, "{\"error\":\"%s\", \"code\": 500}" % str(e))
|
|
log.exception(e)
|
|
except Exception as e:
|
|
log.exception(e)
|
|
|
|
def __rpc_gateway_processing(self, request_id, content):
|
|
log.info("Received RPC request to the gateway, id: %s, method: %s", str(request_id), content["method"])
|
|
arguments = content.get('params', {})
|
|
if content.get("timeout") is not None:
|
|
arguments.update({"timeout": content["timeout"]})
|
|
method_to_call = content["method"].replace("gateway_", "")
|
|
result = None
|
|
if self.__remote_shell is not None:
|
|
method_function = self.__remote_shell.shell_commands.get(method_to_call, self.__gateway_rpc_methods.get(method_to_call))
|
|
else:
|
|
log.info("Remote shell is disabled.")
|
|
method_function = self.__gateway_rpc_methods.get(method_to_call)
|
|
if method_function is None and method_to_call in self.__rpc_sheduled_methods_functions:
|
|
seconds_to_restart = arguments*1000 if arguments and arguments != '{}' else 0
|
|
self.__sheduled_rpc_calls.append([time() * 1000 + seconds_to_restart, self.__rpc_sheduled_methods_functions[method_to_call]])
|
|
log.info("Gateway %s scheduled in %i seconds", method_to_call, seconds_to_restart/1000)
|
|
result = {"success": True}
|
|
elif method_function is None:
|
|
log.error("RPC method %s - Not found", content["method"])
|
|
return {"error": "Method not found", "code": 404}
|
|
elif isinstance(arguments, list):
|
|
result = method_function(*arguments)
|
|
elif arguments:
|
|
result = method_function(arguments)
|
|
else:
|
|
result = method_function()
|
|
return result
|
|
|
|
@staticmethod
|
|
def __rpc_ping(*args):
|
|
return {"code": 200, "resp": "pong"}
|
|
|
|
def __rpc_devices(self, *args):
|
|
data_to_send = {}
|
|
for device in self.__connected_devices:
|
|
if self.__connected_devices[device]["connector"] is not None:
|
|
data_to_send[device] = self.__connected_devices[device]["connector"].get_name()
|
|
return {"code": 200, "resp": data_to_send}
|
|
|
|
def __rpc_update(self, *args):
|
|
try:
|
|
result = {"resp": self.__updater.update(),
|
|
"code": 200,
|
|
}
|
|
except Exception as e:
|
|
result = {"error": str(e),
|
|
"code": 500
|
|
}
|
|
return result
|
|
|
|
def __rpc_version(self, *args):
|
|
try:
|
|
result = {"resp": self.__updater.get_version(),
|
|
"code": 200,
|
|
}
|
|
except Exception as e:
|
|
result = {"error": str(e),
|
|
"code": 500
|
|
}
|
|
return result
|
|
|
|
def rpc_with_reply_processing(self, topic, content):
|
|
req_id = self.__rpc_requests_in_progress[topic][0]["data"]["id"]
|
|
device = self.__rpc_requests_in_progress[topic][0]["device"]
|
|
self.send_rpc_reply(device, req_id, content)
|
|
self.cancel_rpc_request(topic)
|
|
|
|
def send_rpc_reply(self, device=None, req_id=None, content=None, success_sent=None, wait_for_publish=None, quality_of_service=0):
|
|
try:
|
|
self.__rpc_reply_sent = True
|
|
rpc_response = {"success": False}
|
|
if success_sent is not None:
|
|
if success_sent:
|
|
rpc_response["success"] = True
|
|
if device is not None and success_sent is not None:
|
|
self.tb_client.client.gw_send_rpc_reply(device, req_id, dumps(rpc_response), quality_of_service=quality_of_service)
|
|
elif device is not None and req_id is not None and content is not None:
|
|
self.tb_client.client.gw_send_rpc_reply(device, req_id, content, quality_of_service=quality_of_service)
|
|
elif device is None and success_sent is not None:
|
|
self.tb_client.client.send_rpc_reply(req_id, dumps(rpc_response), quality_of_service=quality_of_service, wait_for_publish=wait_for_publish)
|
|
elif device is None and content is not None:
|
|
self.tb_client.client.send_rpc_reply(req_id, content, quality_of_service=quality_of_service, wait_for_publish=wait_for_publish)
|
|
self.__rpc_reply_sent = False
|
|
except Exception as e:
|
|
log.exception(e)
|
|
|
|
def register_rpc_request_timeout(self, content, timeout, topic, cancel_method):
|
|
self.__rpc_register_queue.put({"topic": topic, "data": (content, timeout, cancel_method)}, False)
|
|
# self.__rpc_requests_in_progress[topic] = (content, timeout, cancel_method)
|
|
|
|
def cancel_rpc_request(self, rpc_request):
|
|
content = self.__rpc_requests_in_progress[rpc_request][0]
|
|
self.send_rpc_reply(device=content["device"], req_id=content["data"]["id"], success_sent=False)
|
|
|
|
def _attribute_update_callback(self, content, *args):
|
|
log.debug("Attribute request received with content: \"%s\"", content)
|
|
log.debug(args)
|
|
if content.get('device') is not None:
|
|
try:
|
|
self.__connected_devices[content["device"]]["connector"].on_attributes_update(content)
|
|
except Exception as e:
|
|
log.exception(e)
|
|
else:
|
|
self._attributes_parse(content)
|
|
|
|
def __form_statistics(self):
|
|
summary_messages = {"eventsProduced": 0, "eventsSent": 0}
|
|
telemetry = {}
|
|
for connector in self.available_connectors:
|
|
connector_camel_case = connector.lower().replace(' ', '')
|
|
telemetry[(connector_camel_case + ' EventsProduced').replace(' ', '')] = \
|
|
self.available_connectors[connector].statistics['MessagesReceived']
|
|
self.available_connectors[connector].statistics['MessagesReceived'] = 0
|
|
telemetry[(connector_camel_case + ' EventsSent').replace(' ', '')] = \
|
|
self.available_connectors[connector].statistics['MessagesSent']
|
|
self.available_connectors[connector].statistics['MessagesSent'] = 0
|
|
summary_messages['eventsProduced'] += telemetry[
|
|
str(connector_camel_case + ' EventsProduced').replace(' ', '')]
|
|
summary_messages['eventsSent'] += telemetry[
|
|
str(connector_camel_case + ' EventsSent').replace(' ', '')]
|
|
summary_messages.update(**telemetry)
|
|
return summary_messages
|
|
|
|
def add_device(self, device_name, content, wait_for_publish=False, device_type=None):
|
|
if device_name not in self.__saved_devices:
|
|
device_type = device_type if device_type is not None else 'default'
|
|
self.__connected_devices[device_name] = {**content, "device_type": device_type}
|
|
self.__saved_devices[device_name] = {**content, "device_type": device_type}
|
|
self.__save_persistent_devices()
|
|
if wait_for_publish:
|
|
self.tb_client.client.gw_connect_device(device_name, device_type).wait_for_publish()
|
|
else:
|
|
self.tb_client.client.gw_connect_device(device_name, device_type)
|
|
|
|
def update_device(self, device_name, event, content):
|
|
if event == 'connector' and self.__connected_devices[device_name].get(event) != content:
|
|
self.__save_persistent_devices()
|
|
self.__connected_devices[device_name][event] = content
|
|
|
|
def del_device(self, device_name):
|
|
del self.__connected_devices[device_name]
|
|
del self.__saved_devices[device_name]
|
|
self.tb_client.client.gw_disconnect_device(device_name)
|
|
self.__save_persistent_devices()
|
|
|
|
def get_devices(self):
|
|
return self.__connected_devices
|
|
|
|
def __load_persistent_devices(self):
|
|
devices = {}
|
|
if self.__connected_devices_file in listdir(self._config_dir) and \
|
|
path.getsize(self._config_dir + self.__connected_devices_file) > 0:
|
|
try:
|
|
with open(self._config_dir + self.__connected_devices_file) as devices_file:
|
|
devices = load(devices_file)
|
|
except Exception as e:
|
|
log.exception(e)
|
|
else:
|
|
connected_devices_file = open(self._config_dir + self.__connected_devices_file, 'w')
|
|
connected_devices_file.close()
|
|
|
|
if devices is not None:
|
|
log.debug("Loaded devices:\n %s", devices)
|
|
for device_name in devices:
|
|
try:
|
|
if self.available_connectors.get(devices[device_name]):
|
|
self.__connected_devices[device_name] = {
|
|
"connector": self.available_connectors[devices[device_name]]}
|
|
except Exception as e:
|
|
log.exception(e)
|
|
continue
|
|
else:
|
|
log.debug("No device found in connected device file.")
|
|
self.__connected_devices = {} if self.__connected_devices is None else self.__connected_devices
|
|
|
|
def __save_persistent_devices(self):
|
|
with open(self._config_dir + self.__connected_devices_file, 'w') as config_file:
|
|
try:
|
|
data_to_save = {}
|
|
for device in self.__connected_devices:
|
|
if self.__connected_devices[device]["connector"] is not None:
|
|
data_to_save[device] = self.__connected_devices[device]["connector"].get_name()
|
|
config_file.write(dumps(data_to_save, indent=2, sort_keys=True))
|
|
except Exception as e:
|
|
log.exception(e)
|
|
log.debug("Saved connected devices.")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
TBGatewayService(path.dirname(path.dirname(path.abspath(__file__))) + '/config/tb_gateway.yaml'.replace('/', path.sep))
|