X-Git-Url: https://git.ralfj.de/saartuer.git/blobdiff_plain/0889e9a1ec6bda2c4b16dabf0ab40793ac17756c..d084286e81b121106a0a165e3c151762635466e0:/spaceapi.py diff --git a/spaceapi.py b/spaceapi.py index 89e3678..8e36b0f 100644 --- a/spaceapi.py +++ b/spaceapi.py @@ -1,17 +1,20 @@ from threading import Lock from libtuer import ThreadFunction, logger -import urllib.request +import urllib.request, time from config import spaceApiKey +RETRY_TIME = 60 +HEARTBEAT_TIME = 10*60 + class SpaceApi: def __init__ (self, waker): - self._state_to_set = None - self._state_last_set = None + self._local_state = None + self._remote_state = None + self._last_set_at = 0 self._running = True self.set_state = ThreadFunction(self._set_state, "Space API") - self._set_state_lock = Lock() - waker.register(self.set_state, 10.0) # re-try setting the state every 10 seconds + waker.register(self.set_state, RETRY_TIME) def stop (self): self.set_state.stop() @@ -20,7 +23,7 @@ class SpaceApi: state_val = 1 if state else 0 try: logger.info("Setting SpaceAPI to %d" % state_val) - url = "http://spaceapi.hacksaar.de/status.php?action=update&key=%s&status=%d" % (spaceApiKey, state_val) + url = "https://spaceapi.hacksaar.de/status.php?action=update&key=%s&status=%d" % (spaceApiKey, state_val) response = urllib.request.urlopen(url, timeout=5.0) responseText = response.read().decode('utf-8').strip() if response.getcode() == 200 and responseText == "UpdateSuccessful": return True @@ -34,24 +37,14 @@ class SpaceApi: 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 - else: - # always have a local variable because of parallelism - state = self._state_to_set - - if not self._set_state_lock.acquire(False): - # we don't want many threads to wait here - # the next status update will fix everything anyways - pass - else: - # got the lock - try: - # check if there's something we need to do - if self._state_last_set == state: return - # take action! - success = self._do_request(state) - # TODO error too often -> log critical to send mails - if success: - self._state_last_set = state - finally: - self._set_state_lock.release() + self._local_state = state + # check if there's something we need to do: There's a valid state, and either the state has changed or + # we need to refresh our heartbeta) + now = time.time() + if self._local_state is not None and (self._local_state != self._remote_state or now > self._last_set_at+HEARTBEAT_TIME): + # take action! + success = self._do_request(self._local_state) + # TODO error too often -> log critical to send mails + if success: + self._remote_state = self._local_state + self._last_set_at = now