def setUp(self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
self.iocControl.startIOC()
self.gatewayControl.startGateway()
self.propSupported = False
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ[
"EPICS_CA_ADDR_LIST"] = "localhost:{0} localhost:{1}".format(
gwtests.iocPort, gwtests.gwPort)
ca.initialize_libca()
# Check if IOC supports DBE_PROPERTY
self.eventsReceivedIOC = 0
ioc = epics.PV("ioc:passive0", auto_monitor=epics.dbr.DBE_PROPERTY)
ioc.add_callback(self.onChangeIOC)
ioc.get()
pvhigh = epics.PV("ioc:passive0.HIGH", auto_monitor=None)
pvhigh.put(18.0, wait=True)
time.sleep(.05)
if self.eventsReceivedIOC == 2:
self.propSupported = True
ioc.disconnect()
self.connectGwStats()
def test_gateway_does_not_crash_after_requesting_waveform_when_max_array_bytes_too_small(
self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
# If the bug is present this test is designed to pass the first case
# and fail the second case
max_array_bytes_cases = ["6000000", "16384"]
for max_array_bytes in max_array_bytes_cases:
print(("\n\n\n>>>>>{}={}\n\n\n".format(MAX_ARRAY_BYTES_KEY,
max_array_bytes)))
# The bug crashes the gateway when EPICS_CA_MAX_ARRAY_BYTES
# on the IOC is too small. Set it here
os.environ[MAX_ARRAY_BYTES_KEY] = max_array_bytes
self.iocControl.startIOC()
# The no_cache argument is required to trigger the bug
self.gatewayControl.startGateway(extra_args="-no_cache")
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ["EPICS_CA_ADDR_LIST"] = (
"localhost:{0} localhost:{1}".format(gwtests.iocPort,
gwtests.gwPort))
# First check that a simple PV can be put and got through gateway
put_value = 5
caput("gateway:passive0", put_value, wait=True)
result = caget("gateway:passive0")
self.assertIsNotNone(result)
self.assertEqual(result,
put_value,
msg="Initial get: got {} expected {}".format(
result, put_value))
# Then try to get waveform through gateway
try:
w = PV("gateway:bigpassivewaveform").get(
count=3000,
# CTRL type is required to trigger the bug
with_ctrlvars=True)
self.gatewayControl.poll()
except TypeError as e:
raise RuntimeError(
"Gateway has crashed - "
"exception from pyepics: %s", e)
except OSError as e:
raise RuntimeError(
"Gateway has crashed - "
"exception from subprocess: %s", e)
else:
waveform_from_gateway = w
print(waveform_from_gateway)
print("waveform_from_gateway")
finally:
self.gatewayControl.stop()
self.iocControl.stop()
def setUp(self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
self.iocControl.startIOC()
self.gatewayControl.startGateway()
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ["EPICS_CA_ADDR_LIST"] = "localhost:{0} localhost:{1}".format(gwtests.iocPort,gwtests.gwPort)
epics.ca.initialize_libca()
self.eventsReceived = 0
def setUp(self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
self.iocControl.startIOC()
self.gatewayControl.startGateway()
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ["EPICS_CA_ADDR_LIST"] = "localhost:{0} localhost:{1}".format(gwtests.iocPort,gwtests.gwPort)
epics.ca.initialize_libca()
self.eventsReceived = 0
def setUp(self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
self.iocControl.startIOC()
self.gatewayControl.startGateway()
self.propSupported = False
self.eventsReceivedIOC = 0
self.eventsReceivedGW = 0
self.iocStruct = dict()
self.gwStruct = dict()
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ[
"EPICS_CA_ADDR_LIST"] = "localhost:{0} localhost:{1}".format(
gwtests.iocPort, gwtests.gwPort)
ca.initialize_libca()
def setUp(self):
gwtests.setup()
self.iocControl = IOCControl.IOCControl()
self.gatewayControl = GatewayControl.GatewayControl()
self.iocControl.startIOC()
self.gatewayControl.startGateway()
self.propSupported = False
os.environ["EPICS_CA_AUTO_ADDR_LIST"] = "NO"
os.environ["EPICS_CA_ADDR_LIST"] = "localhost:{0} localhost:{1}".format(gwtests.iocPort,gwtests.gwPort)
ca.initialize_libca()
# Check if IOC supports DBE_PROPERTY
self.eventsReceivedIOC = 0
ioc = epics.PV("ioc:passive0", auto_monitor=epics.dbr.DBE_PROPERTY)
ioc.add_callback(self.onChangeIOC)
ioc.get()
pvhigh = epics.PV("ioc:passive0.HIGH", auto_monitor=None)
pvhigh.put(18.0, wait=True)
time.sleep(.05)
if self.eventsReceivedIOC == 2:
self.propSupported = True
if arglist is None:
iocCommand.extend(['-d', 'test.db'])
else:
iocCommand.extend(arglist)
if gwtests.verbose:
print("Starting the IOC using\n", " ".join(iocCommand))
self.iocProcess = subprocess.Popen(iocCommand, env=childEnviron,
stdin=subprocess.PIPE, stdout=self.DEVNULL, stderr=subprocess.STDOUT)
time.sleep(.5)
atexit.register(self.stop)
def stop(self):
'''Stops the test IOC'''
if self.iocProcess:
self.iocProcess.stdin.close()
self.iocProcess = None
if self.DEVNULL:
self.DEVNULL.close()
if __name__ == "__main__":
gwtests.setup()
print("Running the test IOC in verbose mode for {0} seconds".format(gwtests.gwRunDuration))
gwtests.verbose = True
iocControl = IOCControl()
iocControl.startIOC()
time.sleep(gwtests.iocRunDuration)
iocControl.stop()
if arglist is None:
iocCommand.extend(['-d', 'test.db'])
else:
iocCommand.extend(arglist)
if gwtests.verbose:
print "Starting the IOC using\n", " ".join(iocCommand)
self.iocProcess = subprocess.Popen(iocCommand, env=childEnviron,
stdin=subprocess.PIPE, stdout=self.DEVNULL, stderr=subprocess.STDOUT)
time.sleep(.5)
atexit.register(self.stop)
def stop(self):
'''Stops the test IOC'''
if self.iocProcess:
self.iocProcess.stdin.close()
self.iocProcess = None
if self.DEVNULL:
self.DEVNULL.close()
if __name__ == "__main__":
gwtests.setup()
print "Running the test IOC in verbose mode for {0} seconds".format(gwtests.gwRunDuration)
gwtests.verbose = True
iocControl = IOCControl()
iocControl.startIOC()
time.sleep(gwtests.iocRunDuration)
iocControl.stop()
