From: Ralf Jung <post@ralfj.de>
Date: Mon, 14 Oct 2013 17:22:22 +0000 (+0200)
Subject: Make nervlists relative
X-Git-Url: https://git.ralfj.de/saartuer.git/commitdiff_plain/a05dfd226f0b41c040a0b7e5cd61be1f22db81a2

Make nervlists relative
---

diff --git a/statemachine.odg b/statemachine.odg
index 64b3ceb..883e183 100644
Binary files a/statemachine.odg and b/statemachine.odg differ
diff --git a/statemachine.py b/statemachine.py
index 6a3e889..f2cac47 100644
--- a/statemachine.py
+++ b/statemachine.py
@@ -44,13 +44,17 @@ class Nerver():
 	# If f returns something, that's also returned by nerv.
 	def __init__(self, nervlist):
 		self.nervlist = list(nervlist)
+		self.last_event_time = time.time()
 	
-	def nerv(self, total_time):
+	def nerv(self):
 		if len(self.nervlist):
 			(time, f) = self.nervlist[0]
+			now = time.time()
+			time_gone = now-self.last_event_time
 			# check if the first element is to be triggered
-			if time >= total_time:
+			if time_gone >= time:
 				self.nervlist = self.nervlist[1:] # "pop" the first element, but do not modify original list
+				self.last_event_time = now
 				return f()
 
 
@@ -65,7 +69,6 @@ class StateMachine():
 	class State():
 		def __init__(self, state_machine, nervlist = None):
 			self.state_machine = state_machine
-			self.time_entered = time.time()
 			self._nerver = None if nervlist is None else Nerver(nervlist)
 		def handle_pins_event(self):
 			pass # one needn't implement this
@@ -77,7 +80,7 @@ class StateMachine():
 				arg("412 Precondition Failed: The current state (%s) cannot handle the OPEN event" % self.__class__.__name__)
 		def handle_wakeup_event(self):
 			if self._nerver is not None:
-				return self._nerver.nerv(time.time() - self.time_entered)
+				return self._nerver.nerv()
 		def pins(self):
 			return self.state_machine.pins
 		def actor(self):
@@ -119,8 +122,8 @@ class StateMachine():
 	class StateUnlocking(State):
 		def __init__(self,callback,sm):
 			# construct a nervlist
-			nervlist = [(t*OPEN_REPEAT_TIMEOUT, lambda: self.actor().act(Actor.CMD_UNLOCK)) for t in xrange(1, OPEN_REPEAT_NUMBER+1)]
-			nervlist += [((OPEN_REPEAT_NUMBER+1)*OPEN_REPEAT_TIMEOUT, self.could_not_open)]
+			nervlist = [(OPEN_REPEAT_TIMEOUT, lambda: self.actor().act(Actor.CMD_UNLOCK)) for t in xrange(OPEN_REPEAT_NUMBER)]
+			nervlist += [(OPEN_REPEAT_TIMEOUT, self.could_not_open)]
 			super().__init__(sm,nervlist)
 			self.callbacks=[callback]
 			# FIXME: can we send "202 processing: Trying to open the door" here? Are the callbacks multi-use?
@@ -183,14 +186,13 @@ class StateMachine():
 				logger.error("door manually locked, but space switch on - going to StateZu")
 				play_sound("manual_lock")
 				return StateZu(self.state_machine)
-		# handle_wakeup_event intentionally not overwritten
 	
 	class StateLocking(State):
 		# FIXME: Why does this even have callbacks?
 		# TODO: share code with StateUnlocking
 		def __init__(self,sm):
 			# construct a nervlist
-			nervlist = [(t*CLOSE_REPEAT_TIMEOUT, lambda: self.actor().act(Actor.CMD_LOCK)) for t in xrange(1, CLOSE_REPEAT_NUMBER+1)]
+			nervlist = [(t*CLOSE_REPEAT_TIMEOUT, lambda: self.actor().act(Actor.CMD_LOCK)) for t in range(1, CLOSE_REPEAT_NUMBER+1)]
 			nervlist += [((CLOSE_REPEAT_NUMBER+1)*CLOSE_REPEAT_TIMEOUT, self.could_not_close)]
 			super().__init__(sm, nervlist)
 			self.callbacks=[]
@@ -219,26 +221,24 @@ class StateMachine():
 			return StateAboutToOpen(self.state_machine)
 	
 	class StateAboutToLeave(State):
+		def __init__(self, sm):
+			nervlist = [(LEAVE_TIMEOUT, lambda: StateLocking(self.state_machine))]
+			super().__init__(sm, nervlist)
 		def handle_pins_event(self):
 			if not self.pins().door_closed:
 				return StateLeaving(self.state_machine)
 			if self.pins().door_locked:
 				return StateZu(self.state_machine)
-		def handle_wakeup_event(self):
-			over = time.time() - self.time_entered
-			if over >= LEAVE_TIMEOUT:
-				return StateLocking(self.state_machine)
 	
 	class StateLeaving(State):
+		def __init__(self, sm):
+			nervlist = [(LEAVE_TIMEOUT, lambda: StateAboutToOpen(self.state_machine))]
+			super().__init__(sm, nervlist)
 		def handle_pins_event(self):
 			if self.pins().door_closed:
 				return StateLocking(self.state_machine)
 			if self.pins().door_locked:
 				return StateZu(self.state_machine)
-		def handle_wakeup_event(self):
-			over = time.time() - self.time_entered
-			if over >= LEAVE_TIMEOUT:
-				return StateAboutToOpen(self.state_machine)
 	
 	def __init__(self, actor):
 		self.actor = actor