uplink/uplink.py

# Copyright (c) 2021 Johannes Findeisen <you@hanez.org>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is furnished
# to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
# OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


import calendar
import pymysql
import socket
import sys
import time

from daemon import Daemon
from fritzconnection.lib.fritzstatus import FritzStatus
from logging import getLogger
from threading import Thread


logger = getLogger(__name__)


class Uplink(Daemon):

    def __init__(self, pid_file, config):
        super().__init__(pid_file)
        self.pid_file = pid_file
        self.config = config
        self.date = None
        self.time = None
        self.status = None

    def fetch_data(self, config, inc):
        try:
            # TODO: Think about using a DB ORM (SQLAlchemy?) to make this program supporting
            #  different databases like sqlite and Postgres
            con = pymysql.connect(host=config["database_host"],
                                  user=config["database_user"],
                                  password=config["database_password"],
                                  database=config["database"])
        except Exception as err:
            logger.error(str("uplink: Database connection failed: " + str(err)))
            sys.exit(1)

        timestamp = calendar.timegm(time.gmtime())
        local_time = time.localtime(timestamp)
        self.date = time.strftime("%Y-%m-%d", local_time)
        self.time = time.strftime("%H:%M:%S", local_time)

        try:
            fc = FritzStatus(address=config["uplinks"][inc]["ip"],
                             password=config["uplinks"][inc]["password"])
        except Exception as err:
            logger.error(str(str(err) + " on device with ip: " + config["uplinks"][inc]["ip"]))
            # TODO: Fix to long lines and make the SQL statement more readable
            sql = 'INSERT INTO log (timestamp, date, time, internal_ip, is_linked, is_connected, provider, message, ' \
                  'source_host)  VALUES (\"' + str(timestamp) + '\",\"' + str(self.date) + '\",\"' + str(self.time) + '\",\"' + \
                  str(config["uplinks"][inc]["ip"]) + '\",\"' + "0" + '\",\"' + "0" + '\",\"' + \
                  str(config["uplinks"][inc]["provider"]) + '\",\"ERROR: ' + str(err) + '\",\"' + socket.gethostname() + \
                  '\")'

            logger.debug(str(sql))
            with con.cursor() as cur:
                cur.execute(sql)
            con.commit()
            sys.exit(1)

        if fc.is_connected:
            self.status = "UP"
        else:
            self.status = "DOWN"

        logger.info(str(config["uplinks"][inc]["provider"] + " " + self.status))
        # TODO: Fix to long lines and make the SQL statement more readable
        sql = 'INSERT INTO log (timestamp, date, time, uptime, internal_ip, external_ip, external_ipv6, is_linked, ' \
              'is_connected, str_transmission_rate_up, str_transmission_rate_down, str_max_bit_rate_up, ' \
              'str_max_bit_rate_down, str_max_linked_bit_rate_up, str_max_linked_bit_rate_down, modelname, ' \
              'system_version, provider, message, source_host) VALUES (\"' + str(timestamp) + '\",\"' + str(self.date) + '\",\"' + \
              str(self.time) + '\",\"' + str(fc.uptime) + '\",\"' + str(config["uplinks"][inc]["ip"]) + '\",\"' + \
              str(fc.external_ip) + '\",\"' + str(fc.external_ipv6) + '\",\"' + str(int(fc.is_linked)) + '\",\"' + \
              str(int(fc.is_connected)) + '\",\"' + str(fc.str_transmission_rate[0]) + '\",\"' + \
              str(fc.str_transmission_rate[1]) + '\",\"' + str(fc.str_max_bit_rate[0]) + '\",\"' + \
              str(fc.str_max_bit_rate[1]) + '\",\"' + str(fc.str_max_linked_bit_rate[0]) + '\",\"' + \
              str(fc.str_max_linked_bit_rate[1]) + '\",\"' + str(fc.modelname) + '\",\"' + \
              str(fc.fc.system_version) + '\",\"' + str(config["uplinks"][inc]["provider"]) + '\",\"' + self.status + '\",\"' + \
              socket.gethostname() + '\")'

        logger.debug(str(sql))
        with con.cursor() as cur:
            cur.execute(sql)
        con.commit()
        con.close()

    def run(self):
        while True:
            for i in range(len(self.config["uplinks"])):
                t = Thread(target=self.fetch_data, args=(self.config, i))
                t.start()
            time.sleep(self.config["interval"])