def ping():
while True:
if self.interlocking:
self.logger.debug("Pinging back interlocking server")
try:
self.interlocking.remotePing()
except Pyro4.errors.CommunicationError:
self.interlocking = None
else:
# Try to reestablish connection to interlocking server
self.logger.debug("Trying to reestablish connection to interlocking server...")
try:
self.interlocking = Pyro4.Proxy(self.interlocking_pyroname)
self.interlocking.remotePing()
self.interlocking.registerSwitchboard(self)
except Pyro4.errors.PyroError:
self.logger.debug("Unsuccessfully tried to reestablish connection to interlocking server.")
self.interlocking = None
if self.interlocking:
tpub.sendMessage("InterlockingCom.connection.established")
else:
tpub.sendMessage("InterlockingCom.connection.error")
time.sleep(self.pingInterval)
def readConfig(self):
logger.info("Opening config file {}".format(CONFIG_FILE))
# Load the configuration file
if len(self.configParser.read(CONFIG_FILE)) == 0:
tpub.sendMessage('model.config.file.error')
logger.critical("Could NOT open config file {}".format(CONFIG_FILE))
return
try:
for name in self.options:
self.options[name] = self.configParser.get('projector', name)
logger.debug('config: %-15s = %r' % (name, self.options[name]))
except ConfigParser.Error as e:
tpub.sendMessage('model.config.file.error')
logger.critical("Error while parsing config file {}: {}".format(CONFIG_FILE, e))
self.configured = False
return
self.configured = True
tpub.sendMessage('model.config.file.ok')
logger.info("config file {} parsed sucessfully".format(CONFIG_FILE))
def callback(self, topic, **kwargs):
tpub.sendMessage(topic, **kwargs)
def announce_cooling(self):
tpub.sendMessage('model.cooling.inprogress')
logger.debug("Announcing: Cooling")
def announce_coolingFinished(self):
tpub.sendMessage('model.cooling.finished')
logger.debug("Announcing: Cooling finished")
def announce_shutterClosed(self):
tpub.sendMessage('model.shutter.closed')
logger.debug("Announcing: Shutter closed")
def announce_shutterOpen(self):
tpub.sendMessage('model.shutter.open')
logger.debug("Announcing: Shutter open")
def announce_unpowered(self):
tpub.sendMessage('model.power.off')
logger.debug("Announcing: Power OFF")
def announce_powered(self):
tpub.sendMessage('model.power.on')
logger.debug("Announcing: Power ON")
def announce_erroneousResponse(self):
tpub.sendMessage('model.response.error')
logger.debug("Announcing: Error in projector response")
def announce_connection(self):
tpub.sendMessage('model.connection.ok')
logger.debug("Announcing: connection established")
def announce_noConnection(self):
tpub.sendMessage('model.connection.error')
logger.debug("Announcing: no connection established")
