def run_once(self):
time.sleep(self._init_delay)
self._suspender = power_suspend.Suspender(
self.resultsdir,
method=self._method,
suspend_state=self._suspend_state)
# Find the interface which is used for most communication.
if self._check_connection:
with open('/proc/net/route') as fh:
for line in fh:
fields = line.strip().split()
if fields[1] != '00000000' or not int(fields[3], 16) & 2:
continue
interface = fields[0]
while not self._done():
time.sleep(self._min_resume +
random.randint(0, self._max_resume_window))
# Check the network interface to the caller is still available
if self._check_connection:
link_status = None
try:
with open('/sys/class/net/' + interface +
'/operstate') as link_file:
link_status = link_file.readline().strip()
except Exception:
pass
if link_status != 'up':
logging.error('Link to the server gone, reboot')
utils.system('reboot')
self._suspender.suspend(random.randint(0, 3) + self._min_suspend)
def initialize(self, suspend_state=''):
"""
Entry point.
@param suspend_state: Force to suspend to a specific
state ("mem" or "freeze"). If the string is empty, suspend
state is left to the default pref on the system.
"""
self._suspender = power_suspend.Suspender(self.resultsdir,
throw=True,
device_times=True,
suspend_state=suspend_state)
def suspend_resume(self, duration=10):
suspender = power_suspend.Suspender(self.resultsdir, throw=True)
suspender.suspend(duration)
logging.info('Machine resumed')
# Race condition hack alert: Before we added this sleep, this
# test was very sensitive to the relative timing of the test
# and modem resumption. There is a window where flimflam has
# not yet learned that the old modem has gone away (it doesn't
# find this out until seconds after we resume) and the test is
# running. If the test finds and attempts to use the old
# modem, those operations will fail. There's no good
# hardware-independent way to see the modem go away and come
# back, so instead we sleep
time.sleep(4)
def run_once(self):
time.sleep(self._init_delay)
self._suspender = power_suspend.Suspender(
self.resultsdir, method=self._method)
timeout = time.time() + self._duration
while time.time() < timeout:
time.sleep(self._min_resume + random.randint(0, 3))
# Check the network interface to the caller is still available
if self._interface:
link_status = None
try:
with open('/sys/class/net/' + self._interface +
'/operstate') as link_file:
link_status = link_file.readline().strip()
except:
pass
if link_status != 'up':
logging.error('Link to the server gone, reboot')
utils.system('reboot')
self._suspender.suspend(random.randint(0, 3) + self._min_suspend)
def initialize(self):
self._suspender = power_suspend.Suspender(self.resultsdir,
throw=True,
device_times=True)
def initialize(self):
self._suspender = power_suspend.Suspender(self.resultsdir,
method=sys_power.do_suspend,
throw=True)