From: Ralf Jung <post@ralfj.de>
Date: Sat, 26 Oct 2013 20:09:13 +0000 (+0200)
Subject: update space API concept
X-Git-Url: https://git.ralfj.de/saartuer.git/commitdiff_plain/37cb1be6ad266835984d712ba801cd9108da20ec?hp=--cc

update space API concept
---

37cb1be6ad266835984d712ba801cd9108da20ec
diff --git a/concept_spaceapi.py b/concept_spaceapi.py
index e991463..472b26d 100644
--- a/concept_spaceapi.py
+++ b/concept_spaceapi.py
@@ -1,24 +1,24 @@
 
 
 class SpaceApi:
-	__init__ (self):
-		self.state_to_set = None # public write, TODO: getters, setters?
-		self.state_last_set = None # public read
+	__init__ (self, waker):
+		self._state_to_set = None # public write
+		self._state_last_set = None # public read FIXME why? getter?
 		self._running = True
-		self._t = threading.Thread(target=self.loop)
-		_t.start()
+		self.set_state = ThreadFunction(self._set_state, "Space API")
+		waker.register(self.set_state, 10.0) # re-try setting the state every 10 seconds
 	
 	def stop (self):
-		self._running = False
+		self.set_state.stop()
 	
-	def loop (self):
-		while self._running:
-			if (self.state_to_set is not None):
-				if self.state_to_set != self.state_last_set:
-					stts = self.state_to_set # cache for parallelism
-					error = do_request(stts) # TODO
-					#TODO logging
-					if not error:
-						self.state_last_set = stts
-						#TODO logging
-			time.sleep(SPACE_API_LOOP_DELAY)
\ No newline at end of file
+	def _set_state (self, state = None):
+		'''Sets the state, if None: leave state unchanged and re-try if previous attempts failed'''
+		if state is not None:
+			self._state_to_set = state
+		# check if there's something we need to do
+		if self._state_last_set == self._state_to_set: return
+		# take action!
+		error = do_request(stts) # TODO
+		#TODO logging
+		if not error:
+			self.state_last_set = stts