def run(self):
logging.basicConfig(level=logging.INFO)
self.dsn = DSN()
self.dsn.data_callback = self.data_callback
try:
with open("./state.pickle", "r") as f:
self.state, self.last_updates = pickle.load(f)
except IOError:
self.log.exception("Failure loading state file, resetting")
self.log.info("Running")
try:
self.dsn.run()
finally:
self.log.info("Saving state...")
with open("./state.pickle", "w") as f:
pickle.dump((self.state, self.last_updates), f,
pickle.HIGHEST_PROTOCOL)
self.log.info("Shut down.")
def main(self):
self.dsn = DSN()
self.dsn.data_callback = self.data_callback
self.dsn.run()
def to_GHz(freq):
if freq is None:
return None
return str(round(float(freq) / 10**9, 4))
def update_callback(antenna, old, new):
if len(new['down_signal']) == 0:
return
for i in range(0, len(new['down_signal'])):
signal = new['down_signal'][i]
if len(old['down_signal']) > i:
old_signal = old['down_signal'][i]
if (to_GHz(signal['frequency']) == to_GHz(old_signal['frequency'])
and signal['debug'] == old_signal['debug']
and signal['spacecraft'] == old_signal['spacecraft']):
# No change, don't print anything
return
print(
"%s channel %s\ttracking %s\tstatus: %s\tinfo: %s\tfrequency: %sGHz"
% (antenna, i, signal['spacecraft'], signal['type'],
signal['debug'], to_GHz(signal['frequency'])))
logging.basicConfig()
dsn = DSN()
dsn.update_callback = update_callback
dsn.run()
