kopia lustrzana https://github.com/jprochazka/adsb-receiver
210 wiersze
11 KiB
Python
210 wiersze
11 KiB
Python
#!/usr/bin/python
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#================================================================================#
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# ADS-B FEEDER PORTAL #
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# ------------------------------------------------------------------------------ #
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# Copyright and Licensing Information: #
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# #
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# The MIT License (MIT) #
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# #
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# Copyright (c) 2015-2016 Joseph A. Prochazka #
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# #
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# Permission is hereby granted, free of charge, to any person obtaining a copy #
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# of this software and associated documentation files (the "Software"), to deal #
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# in the Software without restriction, including without limitation the rights #
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
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# copies of the Software, and to permit persons to whom the Software is #
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# furnished to do so, subject to the following conditions: #
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# #
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# The above copyright notice and this permission notice shall be included in all #
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# copies or substantial portions of the Software. #
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# #
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
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# SOFTWARE. #
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#================================================================================#
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# WHAT THIS DOES:
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# ---------------------------------------------------------------
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#
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# 1) Read aircraft.json generated by dump1090-mutability.
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# 2) Add the flight to the database if it does not already exist.
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# 3) Update the last time the flight was seen.
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import datetime
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import json
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import time
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import os
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#urllib2 is deprecated in python3
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try:
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# For Python 3.0 and later
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from urllib.request import urlopen
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except ImportError:
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# Fall back to Python 2's urllib2
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from urllib2 import urlopen
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def log(string):
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#print(string) # uncomment to enable debug logging
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return
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# Read the configuration file.
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with open(os.path.dirname(os.path.realpath(__file__)) + '/config.json') as config_file:
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config = json.load(config_file)
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# Import the needed database library.
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if config["database"]["type"] == "mysql":
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import MySQLdb
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else:
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import sqlite3
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class FlightsProcessor(object):
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def __init__(self, config):
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self.config = config
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self.dbType = config["database"]["type"]
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# List of required keys for position data entries
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self.position_keys = ('lat', 'lon', 'nav_altitude', 'gs', 'track', 'geom_rate', 'hex')
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def setupDBStatements(self, formatSymbol):
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if hasattr(self, 'STMTS'):
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return
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mapping = { "s": formatSymbol }
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self.STMTS = {
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'select_aircraft_count':"SELECT COUNT(*) FROM adsb_aircraft WHERE icao = %(s)s" % mapping,
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'select_aircraft_id': "SELECT id FROM adsb_aircraft WHERE icao = %(s)s" % mapping,
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'select_flight_count': "SELECT COUNT(*) FROM adsb_flights WHERE flight = %(s)s" % mapping,
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'select_flight_id': "SELECT id FROM adsb_flights WHERE flight = %(s)s" % mapping,
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'select_position': "SELECT message FROM adsb_positions WHERE flight = %(s)s AND message = %(s)s ORDER BY time DESC LIMIT 1" % mapping,
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'insert_aircraft': "INSERT INTO adsb_aircraft (icao, firstSeen, lastSeen) VALUES (%(s)s, %(s)s, %(s)s)" % mapping,
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'insert_flight': "INSERT INTO adsb_flights (aircraft, flight, firstSeen, lastSeen) VALUES (%(s)s, %(s)s, %(s)s, %(s)s)" % mapping,
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'insert_position_sqwk': "INSERT INTO adsb_positions (flight, time, message, squawk, latitude, longitude, track, altitude, verticleRate, speed, aircraft) VALUES (%(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s)" % mapping,
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'insert_position': "INSERT INTO adsb_positions (flight, time, message, latitude, longitude, track, altitude, verticleRate, speed, aircraft) VALUES (%(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s, %(s)s)" % mapping,
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'update_aircraft_seen': "UPDATE adsb_aircraft SET lastSeen = %(s)s WHERE icao = %(s)s" % mapping,
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'update_flight_seen': "UPDATE adsb_flights SET aircraft = %(s)s, lastSeen = %(s)s WHERE flight = %(s)s" % mapping
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}
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def connectDB(self):
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if self.dbType == "sqlite": ## Connect to a SQLite database.
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self.setupDBStatements("?")
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return sqlite3.connect(self.config["database"]["db"])
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else: ## Connect to a MySQL database.
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self.setupDBStatements("%s")
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return MySQLdb.connect(host=self.config["database"]["host"],
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user=self.config["database"]["user"],
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passwd=self.config["database"]["passwd"],
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db=self.config["database"]["db"])
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def processAircraftList(self, aircraftList):
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db = self.connectDB()
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# Get Database cursor handle
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self.cursor = db.cursor()
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# Assign the time to a variable.
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self.time_now = datetime.datetime.utcnow().strftime("%Y/%m/%d %H:%M:%S")
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for aircraft in aircraftList:
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self.processAircraft(aircraft)
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# Close the database connection.
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db.commit()
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db.close()
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def processAircraft(self, aircraft):
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hexcode = aircraft["hex"]
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# Check if this aircraft was already seen.
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self.cursor.execute(self.STMTS['select_aircraft_count'], (hexcode,))
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row_count = self.cursor.fetchone()
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if row_count[0] == 0:
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# Insert the new aircraft.
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log("Added Aircraft: " + hexcode)
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self.cursor.execute(self.STMTS['insert_aircraft'], (hexcode, self.time_now, self.time_now,))
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else:
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# Update the existing aircraft.
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self.cursor.execute(self.STMTS['update_aircraft_seen'], (self.time_now, hexcode,))
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log("Updating Aircraft: " + hexcode)
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# Get the ID of this aircraft.
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self.cursor.execute(self.STMTS['select_aircraft_id'], (hexcode,))
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row = self.cursor.fetchone()
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aircraft_id = row[0]
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log("\tFound Aircraft ID: " + str(aircraft_id))
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# Check that a flight is tied to this track.
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if aircraft.has_key('flight'):
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self.processFlight(aircraft_id, aircraft)
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def processFlight(self, aircraft_id, aircraft):
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flight = aircraft["flight"].strip()
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# Check to see if the flight already exists in the database.
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self.cursor.execute(self.STMTS['select_flight_count'], (flight,))
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row_count = self.cursor.fetchone()
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if row_count[0] == 0:
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# If the flight does not exist in the database add it.
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params = (aircraft_id, flight, self.time_now, self.time_now,)
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self.cursor.execute(self.STMTS['insert_flight'], params)
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log("\t\tAdded Flight: " + flight)
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else:
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# If it already exists pdate the time it was last seen.
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params = (aircraft_id, self.time_now, flight,)
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self.cursor.execute(self.STMTS['update_flight_seen'], params)
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log("\t\tUpdated Flight: " + flight)
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# Get the ID of this flight.
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self.cursor.execute(self.STMTS['select_flight_id'], (flight,))
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row = self.cursor.fetchone()
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flight_id = row[0]
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# Check if position data is available.
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if (all (k in aircraft for k in self.position_keys) and aircraft["altitude"] != "ground"):
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self.processPositions(flight_id, aircraft)
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def processPositions(self, flight_id, aircraft):
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# Get the ID of this aircraft.
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hexcode = aircraft["hex"]
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self.cursor.execute(self.STMTS['select_aircraft_id'], (hexcode,))
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row = self.cursor.fetchone()
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aircraft_id = row[0]
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# Check that this message has not already been added to the database.
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params = (flight_id, aircraft["messages"],)
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self.cursor.execute(self.STMTS['select_position'], params)
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row = self.cursor.fetchone()
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if row == None or row[0] != aircraft["messages"]:
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# Add this position to the database.
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if aircraft.has_key('squawk'):
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params = (flight_id, self.time_now, aircraft["messages"], aircraft["squawk"],
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aircraft["lat"], aircraft["lon"], aircraft["track"],
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aircraft["nav_altitude"], aircraft["geom_rate"], aircraft["gs"], aircraft_id,)
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self.cursor.execute(self.STMTS['insert_position_sqwk'], params)
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log("\t\t\tInserted position w/ Squawk " + repr(params))
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else:
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params = (flight_id, self.time_now, aircraft["messages"], aircraft["lat"], aircraft["lon"],
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aircraft["track"], aircraft["nav_altitude"], aircraft["geom_rate"], aircraft["gs"], aircraft_id,)
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self.cursor.execute(self.STMTS['insert_position'], params)
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log("\t\t\tInserted position w/o Squawk " + repr(params))
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else:
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log("\t\t\tMessage is the same")
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if __name__ == "__main__":
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processor = FlightsProcessor(config)
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# Main run loop
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while True:
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# Read dump1090-mutability's aircraft.json.
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#with open('/run/dump1090-mutability/aircraft.json') as data_file:
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# data = json.load(data_file)
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# Switch from physical file location to using urlopen after the addition of the dump1090-fa option.
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# dump1090-fa and dump1090-mutability store aircraft.json in difrent locations.
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# However Lighttpd is set up to serve this file using the same URL no matter which version is installed.
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response = urlopen('http://localhost/dump1090/data/aircraft.json')
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data = json.load(response)
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processor.processAircraftList(data["aircraft"])
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log("Last Run: " + datetime.datetime.now().strftime("%Y/%m/%d %H:%M:%S"))
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time.sleep(15)
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