def ready_internet(self):
self.logger.info("Attempting to connect to the internet.")
## open a pppd instance
OSTools.pppd_launch()
## wait for pppd to settle
time.sleep(5)
retrycount = 5
while retrycount > 0:
## to see if ppp is up
if OSTools.pppd_status():
## ppp is up, try ping
x = self._try_network()
if x is not None:
self.disp.control_led('net', True)
self.disp.control_led('neterr', False)
self.logger.info("Ping success.")
return True
else:
self.disp.control_led('neterr', True)
self.disp.control_led('net', False)
self.logger.info("Sleeping for 10s.")
time.sleep(10)
else:
# ppp is not up
## check if process is running
ppp_pid = OSTools.pppd_pid()
if ppp_pid == 0:
## ppp has quit
raise InternetConnectionError('pppd unexpectedly quit!')
else:
## wait 10 seconds, and retry
time.sleep(10)
retrycount -= 1
self.logger.info("Rechecking network, remaining attempts %d." % retrycount)
OSTools.pppd_terminate(OSTools.pppd_pid())
return False
