def download_helper():
'''Download a fresh consensus doc at interval according
to dir-spec.
We need this helper to do thread-safe things with twisted.
'''
global consensus
while True:
current_time = Com.get_current_time()
fresh_until = Com.date_to_timestamp(str(consensus.fresh_until))
print current_time, fresh_until
print 'sleeping for ' + str(fresh_until - current_time)
time.sleep(fresh_until - current_time)
print 'waking up'
d = DocDownloader()
d.get_consensus()
consensus = d.consensus
current_time = Com.get_current_time()
fresh_until = Com.date_to_timestamp(str(consensus.fresh_until))
print current_time, fresh_until
print 'sleeping for ' + str(fresh_until - current_time)
time.sleep(fresh_until - current_time)
print 'waking up'
d = DocDownloader()
d.get_consensus()
consensus = d.consensus
def get_initial_consensus():
'''Get a fresh consensus when we first start up.
'''
d = DocDownloader()
d.get_consensus()
return d.consensus
consensus = get_initial_consensus()
reactor.callFromThread(download_helper)
reactor.run()
if __name__ == '__main__':
#d = DocDownloader()
#d.get_consensus()
current_time = Com.get_current_time()
fresh_until = Com.date_to_timestamp(str(consensus.fresh_until))
print current_time, fresh_until
print 'sleeping for ' + str(fresh_until - current_time)
