parent
47f41e17e1
commit
32528f7a11
1 changed files with 193 additions and 0 deletions
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import os |
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import sys |
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import RPi.GPIO as GPIO |
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import serial |
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import sqlite3 |
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import atexit |
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import time |
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import logging |
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import pygame |
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import threading |
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import urllib |
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def dict_factory(cursor, row): |
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d = {} |
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for idx, col in enumerate(cursor.description): |
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d[col[0]] = row[idx] |
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return d |
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class DaemonApp(object): |
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def __init__(self): |
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self.stdin_path = '/dev/null' |
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self.stdout_path = '/dev/null' |
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self.stderr_path = '/dev/null' |
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self.pidfile_path = '/var/run/door.pid' |
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self.pidfile_timeout = 5 |
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self.running = True |
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self.log = logging.getLogger("daemon") |
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def __halt(self): |
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self.running = False |
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def run(self): |
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atexit.register(self.__halt) |
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self.setup() |
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while self.running: |
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try: |
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self.loop() |
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except KeyboardInterrupt: |
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break |
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except Exception as ex: |
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self.log.exception(ex) |
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break |
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self.stop() |
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def setup(self): |
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pass |
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def stop(self): |
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pass |
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def loop(self): |
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pass |
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class App(DaemonApp): |
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def __init__(self, serial, db_file): |
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super(App, self).__init__(); |
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self.serial = serial |
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self.db_file = db_file |
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self.recent = {} |
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def setup(self): |
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self.log.info("starting") |
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GPIO.setwarnings(False) |
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GPIO.setmode(GPIO.BCM) |
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GPIO.setup(17, GPIO.OUT) |
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# The 110 Door fails secure, |
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# drive low to close the NO relay and unlock the door |
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# leave HIGH otherwise. |
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# The 108 Door fails secure, |
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# but needs to be driven HIGH to close the normally open relay and unlock the door |
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GPIO.output(17, GPIO.LOW) |
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def loop(self): |
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card = self.serial.readline() |
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if not card: |
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return |
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card = card.strip() |
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if len(card) != 10: |
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return |
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now = time.time() |
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if card in self.recent: |
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if now - self.recent[card] < 5.0: |
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self.recent[card] = now |
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return |
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self.recent[card] = now |
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self.handle_card_read(card) |
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def stop(self): |
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self.log.info("stopping") |
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def handle_card_read(self, card): |
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db = sqlite3.connect(self.db_file) |
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db.row_factory = dict_factory |
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baseurl = "http://my.protospace.ca/locks/door/108A/" |
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self.unify_serial_numbers(db, card) |
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# TODO flag duplicates |
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cards = self.query_cards(db, card) |
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if cards: |
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card = cards.pop(0) |
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# TODO merge duplicate values |
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for temp in cards: |
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pass |
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self.update_timestamp(db, card['serial']) |
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if not card['active']: |
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self.log.warn("%s[%s] denied access" % (card["owner"], card['serial'])) |
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urlaction = "DENIED" |
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rfid = "%s" % card['serial'] |
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else: |
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self.log.info("%s[%s] entered the space" % (card["owner"], card['serial'])) |
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urlaction = "ALLOWED" |
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rfid = "%s" % card['serial'] |
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threading.Thread(target=self.unlock_door, kwargs={"duration": 5.0}).start() |
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else: |
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self.log.info("Card read: %s" % (card,)) |
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rfid = "%s" % (card,) |
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urlaction = "NOT IN DB" |
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url = baseurl + rfid + "/" + urlaction |
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try: |
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response = urllib.urlopen(url).read() |
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self.log.info("Web log response was %s" % (response)) |
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except: |
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self.log.warn("A generic error occurred on the web call.") |
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db.close() |
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def unify_serial_numbers(self, db, card): |
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q = "UPDATE cards SET serial='%s' WHERE serial='%s'" % (card, card[::-1]) |
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db.execute(q) |
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def update_scan_log(self, db, card): |
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q = "INSERT INTO scan_logs" |
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def update_timestamp(self, db, card): |
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q = "UPDATE cards SET first_seen = datetime('now') WHERE serial = '%s' AND first_seen IS NULL" % (card) |
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db.execute(q) |
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q = "UPDATE cards SET last_seen = datetime('now') WHERE serial = '%s'" % (card) |
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db.execute(q) |
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db.commit() |
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def unlock_door(self, duration): |
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#108 Door needs HIGH to unlock |
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#110 Door needs LOW to unlock |
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GPIO.output(17, GPIO.HIGH) |
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time.sleep(duration) |
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GPIO.output(17, GPIO.LOW) |
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def play_sound(self, path): |
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if not (path and os.path.exists(path)): |
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return |
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if not pygame.mixer.music.get_busy(): |
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try: |
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pygame.mixer.music.load(path) |
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pygame.mixer.music.play() |
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except: |
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self.log.warn("Failed to play sound '%s'" % (path)) |
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def query_cards(self, db, card): |
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cur = db.cursor() |
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query = "SELECT * FROM cards WHERE serial='%s' ORDER BY id ASC" % card |
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cur.execute(query) |
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cards = [] |
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row = cur.fetchone() |
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while row: |
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cards.append(row) |
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row = cur.fetchone() |
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self.log.debug(cards) |
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return cards |
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