there can be more than one message on the socket; empty the queue when shutting down...

[saartuer.git] / statemachine.py

diff --git a/statemachine.py b/statemachine.py
index dcee055c6413962986df6e635c7a8889e81f0219..5ad83ddbe22608d144bab3fb9ab34a9c051f223e 100644 (file)
--- a/statemachine.py
+++ b/statemachine.py
@@ -1,4 +1,4 @@
-from libtuer import ThreadFunction, logger, fire_and_forget
+from libtuer import ThreadFunction, logger, fire_and_forget, fire_and_forget_cmd
 from actor import Actor
 import os, random, time, threading
 
@@ -23,7 +23,6 @@ CLOSE_REPEAT_TIMEOUT = 7
 CLOSE_REPEAT_NUMBER = 3
 
 # StateFallback constants
-FALLBACK_BLINK_SPEED = 0.5 # seconds
 FALLBACK_LEAVE_DELAY_LOCK = 5 # seconds
 
 # StateAboutToOpen constants
@@ -91,6 +90,8 @@ class StateMachine():
                        return self.state_machine.old_pins
                def actor(self):
                        return self.state_machine.actor
+               def api(self):
+                       return self.state_machine.api
                def handle_event(self,ev,arg): # don't override
                        if ev == StateMachine.CMD_PINS:
                                return self.handle_pins_event()
@@ -157,7 +158,6 @@ class StateMachine():
        class StateFallback(State):
                def __init__(self, sm, nervlist = None):
                        super().__init__(sm, nervlist)
-                       self._last_blink_time = time.time()
                        self._red_state = False
                def handle_pins_event(self):
                        pins = self.pins()
@@ -179,15 +179,12 @@ class StateMachine():
                        # not calling superclass because we want to stay in fallback mode
                def handle_wakeup_event(self):
                        # blink red LED
-                       now = time.time()
-                       if now - self._last_blink_time < FALLBACK_BLINK_SPEED:
-                               if self._red_state:
-                                       self.actor().act(Actor.CMD_RED_OFF)
-                                       self._red_state = False
-                               else:
-                                       self.actor().act(Actor.CMD_RED_ON)
-                                       self._red_state = True
-                               self._last_blink_time = now
+                       if self._red_state:
+                               self.actor().act(Actor.CMD_RED_OFF)
+                               self._red_state = False
+                       else:
+                               self.actor().act(Actor.CMD_RED_ON)
+                               self._red_state = True
                def handle_cmd_unlock_event(self,arg):
                        if arg is not None:
                                arg("298 Fallback Okay: Trying to unlock the door. The System is in fallback mode, success information is not available.")
@@ -208,19 +205,20 @@ class StateMachine():
                        nervlist = [(OPEN_REPEAT_TIMEOUT, lambda: self.actor().act(Actor.CMD_UNLOCK)) for t in range(OPEN_REPEAT_NUMBER)]
                        nervlist += [(OPEN_REPEAT_TIMEOUT, self.could_not_open)]
                        super().__init__(sm,nervlist)
-                       self.callbacks=[callback]
-                       # TODO: can we send "202 processing: Trying to unlock the door" here? Are the callbacks multi-use?
+                       self.callbacks = []
                        self.actor().act(Actor.CMD_UNLOCK)
-               def notify(self, did_it_work):
-                       s = "200 okay: door unlocked" if did_it_work else ("500 internal server error: Couldn't unlock door with %d tries à %f seconds" % (OPEN_REPEAT_NUMBER,OPEN_REPEAT_TIMEOUT))
+                       # enqueue the callback
+                       self.handle_cmd_unlock_event(callback)
+               def notify(self, s, lastMsg):
                        for cb in self.callbacks:
-                               if cb is not None:
-                                       cb(s)
+                               cb(s, lastMsg)
                def on_leave(self):
-                       self.notify(not self.pins().door_locked)
+                       s = "200 okay: door unlocked" if not self.pins().door_locked else ("500 internal server error: Couldn't unlock door with %d tries à %f seconds" % (OPEN_REPEAT_NUMBER,OPEN_REPEAT_TIMEOUT))
+                       self.notify(s, lastMsg=True)
                def handle_cmd_unlock_event(self,callback):
-                       # TODO: 202 notification also here if possible
-                       self.callbacks.append(callback)
+                       if callback is not None:
+                               callback("202 processing: Trying to unlock the door", lastMsg=False)
+                               self.callbacks.append(callback)
                def could_not_open(self):
                        logger.critical("StateMachine: Couldn't open door after %d tries. Going back to StateZu." % OPEN_REPEAT_NUMBER)
                        return StateMachine.StateZu(self.state_machine)
@@ -246,6 +244,7 @@ class StateMachine():
                        nervlist = [(24*60*60, lambda: logger.critical("Space is now open for 24h. Is everything all right?"))]
                        super().__init__(sm, nervlist)
                        self.last_buzzed = None
+                       self.api().set_state(True)
                def handle_pins_event(self):
                        pins = self.pins()
                        if pins.bell_ringing and not self.old_pins().bell_ringing: # first thing to check: edge detection
@@ -256,6 +255,8 @@ class StateMachine():
                                logger.info("StateMachine: space switch turned off - starting leaving procedure")
                                return StateMachine.StateAboutToLeave(self.state_machine)
                        return super().handle_pins_event()
+               def on_leave(self):
+                       self.api().set_state(False)
        
        class StateLocking(AbstractUnlockedState):
                def __init__(self,sm):
@@ -304,13 +305,16 @@ class StateMachine():
                                return StateMachine.StateAuf(self.state_machine)
                        return super().handle_pins_event()
        
-       def __init__(self, actor, waker, fallback = False):
+       def __init__(self, actor, waker, api, fallback = False):
                self.actor = actor
+               self.api = api
                self.callback = ThreadFunction(self._callback, name="StateMachine")
                self.current_state = StateMachine.StateStart(self, fallback=fallback)
                self.pins = None
                self.old_pins = None
                waker.register(lambda: self.callback(StateMachine.CMD_WAKEUP), 1.0) # wake up every second
+               # initially, the space is closed
+               api.set_state(False)
        
        def stop (self):
                self.callback.stop()