96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
import argparse
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import configparser
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import json
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import os
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import threading
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import paho.mqtt.subscribe as mqtt
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database_filename = "clients.json"
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database_lock = threading.Lock()
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# noinspection PyUnusedLocal
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def update_client_record(client, userdata, message):
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database_lock.acquire()
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if not os.path.exists(database_filename):
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with open(database_filename, 'w') as database_blank:
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json.dump({}, database_blank)
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with open(database_filename, 'r') as infile:
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database = json.load(infile)
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payload = message.payload.decode('utf-8')
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response = json.loads(payload)
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database[response['clientId']] = response
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with open(database_filename, 'w') as outfile:
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json.dump(database, outfile)
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database_lock.release()
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def subscribe(broker_hostname, broker_port, topic="torch", tls=None):
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mqtt.callback(update_client_record,
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topic,
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hostname=broker_hostname,
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port=broker_port,
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tls=tls)
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class Config:
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def __init__(self):
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self.broker_hostname = None
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self.broker_port = None
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self.topic = None
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self.tls = None
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parser = self.do_cli_argument_parsing()
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config_path = self.get_config_path(parser.parse_args())
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print("Using torch configuration path: " + config_path)
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self.read_configuration_file(config_path)
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@staticmethod
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def do_cli_argument_parsing():
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parser = argparse.ArgumentParser(description='Simple Torch Flat-file Database Subscriber')
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parser.add_argument('--config-dir', nargs='?', dest='configPath', default='/etc/torch',
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help='configuration directory (default: /etc/torch)')
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return parser
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@staticmethod
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def get_config_path(args):
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config_path = args.configPath
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if "TORCH_CONFIG_DIR" in os.environ:
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config_path = os.environ.get("TORCH_CONFIG_DIR")
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if not config_path.endswith("/"):
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config_path = config_path + "/"
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return config_path
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def read_configuration_file(self, config_path):
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config = configparser.ConfigParser()
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config.read(config_path + "torch-sub.conf")
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mqtt_config = config['mqtt']
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self.broker_hostname = mqtt_config.get('BrokerHost', fallback="localhost")
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self.broker_port = mqtt_config.getint('BrokerPort', fallback=1883)
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self.topic = mqtt_config.get('Topic', fallback="torch/+/onion_url")
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require_certificate = mqtt_config.getboolean('RequireCertificate', fallback=False)
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ca_file = config_path + mqtt_config.get('CaFile')
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cert_file = config_path + mqtt_config.get('CertFile')
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key_file = config_path + mqtt_config.get('KeyFile')
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self.tls = None
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if require_certificate:
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self.tls = {
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'ca_certs': ca_file,
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'certfile': cert_file,
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'keyfile': key_file
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}
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def main():
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config = Config()
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subscribe(config.broker_hostname,
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config.broker_port,
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config.topic,
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config.tls)
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