doorlockd.py: add doorlock sounds

Signed-off-by: Ralf Ramsauer <ralf@binary-kitchen.de>

doorlockd-new/TODOs

@@ -1,4 +1,3 @@
-- Add sounds
 - Remove php-fpm
 - adjust nginx config
 - Add proper SSL certificates

doorlockd-new/config.cfg

@@ -1,6 +1,7 @@
-DEBUG = True
-SIMULATE = True
-RUN_HOOKS = False
+DEBUG = False
+SIMULATE = False
+RUN_HOOKS = True
+SOUNDS = True
 SECRET_KEY = 'foobar'
 
 LDAP_CA = './ssl/BKCA.crt'
@@ -9,4 +10,11 @@ LDAP_BINDDN = 'cn=%s,ou=people,dc=binary-kitchen,dc=de'
 
 BOOTSTRAP_SERVE_LOCAL = True
 
-SERIAL_PORT = '/dev/ttyS0'
+SERIAL_PORT = '/dev/ttyAMA0'
+
+WAVE_EMERGENCY = './sounds/emergency_unlock.wav'
+WAVE_LOCK = './sounds/lock.wav'
+WAVE_LOCK_BUTTON = './sounds/lock_button.wav'
+WAVE_UNLOCK = './sounds/unlock.wav'
+WAVE_UNLOCK_BUTTON = './sounds/unlock_button.wav'
+WAVE_ZONK = './sounds/zonk.wav'

doorlockd-new/doorlockd.py

@@ -71,6 +71,14 @@ if 'LDAP_CA' in webapp.config.keys():
 ldap_uri = webapp.config.get('LDAP_URI')
 ldap_binddn = webapp.config.get('LDAP_BINDDN')
 
+wave_emergency = webapp.config.get('WAVE_EMERGENCY')
+wave_lock = webapp.config.get('WAVE_LOCK')
+wave_lock_button = webapp.config.get('WAVE_LOCK_BUTTON')
+wave_unlock = webapp.config.get('WAVE_UNLOCK')
+wave_unlock_button = webapp.config.get('WAVE_UNLOCK_BUTTON')
+wave_zonk = webapp.config.get('WAVE_ZONK')
+sounds = webapp.config.get('SOUNDS')
+
 # copied from sudo
 eperm_insults = {
         'Wrong!  You cheating scum!',
@@ -98,6 +106,12 @@ def choose_insult():
     return(sample(eperm_insults, 1)[0])
 
 
+def playsound(filename):
+    if not sounds:
+        return
+    Popen(['nohup', 'aplay', filename])
+
+
 def start_hook(script):
     if not run_hooks:
         log.info('Hooks disabled: not starting %s' % script)
@@ -183,11 +197,14 @@ class DoorHandler:
 
     def handle_input(self, recv, expect=None):
         if recv == DoorHandler.BUTTON_LOCK_PRESS:
+            playsound(wave_lock_button)
             self.state = DoorState.Close
             logic.emit_status(LogicResponse.ButtonLock)
         elif recv == DoorHandler.BUTTON_UNLOCK_PRESS:
+            playsound(wave_unlock_button)
             logic.emit_status(LogicResponse.ButtonUnlock)
         elif recv == DoorHandler.BUTTON_EMERGENCY_PRESS:
+            playsound(wave_emergency)
             logic.emit_status(LogicResponse.EmergencyUnlock)
 
         if expect is None:
@@ -281,6 +298,13 @@ class Logic:
 
     def request(self, state, credentials):
         err = self._request(state, credentials)
+        if err == LogicResponse.Success:
+            if self.door_handler.state == DoorState.Open:
+                playsound(wave_unlock)
+            if self.door_handler.state == DoorState.Close:
+                playsound(wave_lock)
+        elif err == LogicResponse.AlreadyLocked or err == LogicResponse.AlreadyOpen:
+            playsound(wave_zonk)
         self.emit_status(err)
         return err