def generate_live_data(duration, period, pvnames):
pvnamelist = tuple(pvnames)
cols = list(pvnamelist)
cols.insert(0, 'timestamp')
pvconn = {}
alldata = []
ca.initialize_libca()
for name in pvnamelist:
chid = ca.create_channel(name, connect=False, auto_cb=False)
pvconn[name] = (chid, None)
for key in list(pvconn):
state = ca.connect_channel(pvconn.get(key)[0])
if not state:
print('PV:', key, 'not connected')
pvconn.pop(key)
ca.poll()
while duration > 0 and pvconn:
pvdata = []
for name, data in pvconn.items():
ca.get(data[0], wait=False)
ca.poll()
pvdata.append(datetime.datetime.now())
for name, data in pvconn.items():
val = ca.get_complete(data[0])
pvdata.append(val)
alldata.append(pvdata)
time.sleep(period)
duration = duration - period
ca.finalize_libca(maxtime=1.0)
df = pd.DataFrame(alldata, columns=cols)
return df
def caclient():
ca.finalize_libca()
sport = str(IocControl.server_port)
os.environ['EPICS_CA_AUTO_ADDR_LIST'] = 'NO'
os.environ['EPICS_CA_ADDR_LIST'] = 'localhost:{}'.format(sport)
ca.initialize_libca()
yield
ca.finalize_libca()
def tearDown(self):
ca.finalize_libca()
self.gatewayControl.stop()
self.iocControl.stop()
def blowout_pvs():
#epics.ca.clear_channel(pv_name.chid)
ca.finalize_libca()
def testPropCache_ValueGetDisconnectCTRLGet(self):
'''Get PV (value) through GW - disconnect client - change properties (HIGH, EGU) directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 0,
"Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 0,
"Expected GW connected PV count: 0, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# limit should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 10.0,
"Expected IOC warning_limit: 10; actual limit: " + str(highVal))
eguVal = ioc_ctrl['units']
self.assertTrue(
eguVal == "wobbles",
"Expected IOC units string: wobbles; actual units string: " +
eguVal)
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 10.0,
"Expected GW warning_limit: 10; actual limit: " + str(highVal))
eguVal = gw_ctrl['units']
self.assertTrue(
eguVal == "wobbles",
"Expected GW units string: wobbles; actual units string: " +
eguVal)
# disconnect Channel Access, reconnect Gateway stats
ca.finalize_libca()
ca.initialize_libca()
self.connectGwStats()
# gateway should show no VC and 1 connected inactive PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 1,
"Expected GW inactive PV count: 1, actual: " + str(self.inactive))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
# set unit string on IOC
ioc_egu = ca.create_channel("ioc:gwcachetest.EGU")
ca.put(ioc_egu, "foo", wait=True)
time.sleep(.1)
# reconnect Gateway and IOC
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# now the limit should have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 20.0,
"Expected IOC warning_limit: 20; actual limit: " + str(highVal))
eguVal = ioc_ctrl['units']
self.assertTrue(
eguVal == "foo",
"Expected IOC units string: foo; actual units string: " + eguVal)
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(
highVal == 20.0,
"Expected GW warning_limit: 20; actual limit: " + str(highVal))
eguVal = gw_ctrl['units']
self.assertTrue(
eguVal == "foo",
"Expected GW units string: wobbles; actual units string: " +
eguVal)
def testEnumPropCache_ValueGetDisconnectCTRLGet(self):
'''Get PV (value) through GW - disconnect client - change ENUM string directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 0,
"Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 0,
"Expected GW connected PV count: 0, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enumtest is an mbbi record with three strings defined: zero one two
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enum string should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one',
"Expected IOC enum[1]: one; actual enum[1]: " + oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one',
"Expected GW enum[1]: one; actual enum[1]: " + oneStr)
# disconnect Channel Access, reconnect Gateway stats
ca.finalize_libca()
ca.initialize_libca()
self.connectGwStats()
# gateway should show no VC and 1 connected inactive PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 0,
"Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 0,
"Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(
self.inactive == 1,
"Expected GW inactive PV count: 1, actual: " + str(self.inactive))
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# reconnect Gateway and IOC
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected,
"Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(
self.vctotal == 1,
"Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(
self.pvtotal == 1,
"Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(
self.connected == 1,
"Expected GW connected PV count: 1, actual: " +
str(self.connected))
self.assertTrue(
self.active == 1,
"Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(
self.inactive == 0,
"Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# Now the enum string should have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno',
"Expected IOC enum[1]: uno; actual enum[1]: " + oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno',
"Expected GW enum[1]: uno; actual enum[1]: " + oneStr)
def tearDown(self):
ca.finalize_libca()
self.gatewayControl.stop()
self.iocControl.stop()
def testPropCache_ValueGetDisconnectCTRLGet(self):
'''Get PV (value) through GW - disconnect client - change HIGH directly - get the DBR_CTRL of the PV through GW'''
gw_vctotal = ca.create_channel("gwtest:vctotal")
gw_pvtotal = ca.create_channel("gwtest:pvtotal")
gw_connected = ca.create_channel("gwtest:connected")
gw_active = ca.create_channel("gwtest:active")
gw_inactive = ca.create_channel("gwtest:inactive")
# gateway should show no VC (client side connection) and no PV (IOC side connection)
count = ca.get(gw_vctotal)
self.assertTrue(count == 0, "Expected GW VC total count: 0, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 0, "Expected GW PV total count: 0, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 0, "Expected GW connected PV count: 0, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 0, "Expected GW active PV count: 0, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 0, "Expected GW inactive PV count: 0, actual: " + str(count))
# gwcachetest is an ai record with full set of alarm limits: -100 -10 10 100
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
count = ca.get(gw_vctotal)
self.assertTrue(count == 1, "Expected GW VC total count: 1, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 1, "Expected GW PV total count: 1, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 1, "Expected GW connected PV count: 1, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 1, "Expected GW active PV count: 1, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 0, "Expected GW inactive PV count: 0, actual: " + str(count))
# limit should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(highVal == 10.0, "Expected IOC warning_limit: 10; actual limit: "+ str(highVal))
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(highVal == 10.0, "Expected GW warning_limit: 10; actual limit: "+ str(highVal))
# disconnect Channel Access, reconnect Gateway stats
ca.finalize_libca()
ca.initialize_libca()
gw_vctotal = ca.create_channel("gwtest:vctotal")
gw_pvtotal = ca.create_channel("gwtest:pvtotal")
gw_connected = ca.create_channel("gwtest:connected")
gw_active = ca.create_channel("gwtest:active")
gw_inactive = ca.create_channel("gwtest:inactive")
# gateway should show no VC and 1 connected inactive PV
count = ca.get(gw_vctotal)
self.assertTrue(count == 0, "Expected GW VC total count: 0, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 1, "Expected GW PV total count: 1, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 1, "Expected GW connected PV count: 1, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 0, "Expected GW active PV count: 0, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 1, "Expected GW inactive PV count: 1, actual: " + str(count))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
time.sleep(.1)
# reconnect Gateway and IOC
gw = ca.create_channel("gateway:gwcachetest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
count = ca.get(gw_vctotal)
self.assertTrue(count == 1, "Expected GW VC total count: 1, actual: " + str(count))
count = ca.get(gw_pvtotal)
self.assertTrue(count == 1, "Expected GW PV total count: 1, actual: " + str(count))
count = ca.get(gw_connected)
self.assertTrue(count == 1, "Expected GW connected PV count: 1, actual: " + str(count))
count = ca.get(gw_active)
self.assertTrue(count == 1, "Expected GW active PV count: 1, actual: " + str(count))
count = ca.get(gw_inactive)
self.assertTrue(count == 0, "Expected GW inactive PV count: 0, actual: " + str(count))
# now the limit should have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
highVal = ioc_ctrl['upper_warning_limit']
self.assertTrue(highVal == 20.0, "Expected IOC warning_limit: 20; actual limit: "+ str(highVal))
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(highVal == 20.0, "Expected GW warning_limit: 20; actual limit: "+ str(highVal))
def testEnumPropCache_ValueGetDisconnectCTRLGet(self):
'''Get PV (value) through GW - disconnect client - change ENUM string directly - get the DBR_CTRL of the PV through GW'''
# gateway should show no VC (client side connection) and no PV (IOC side connection)
self.updateGwStats()
self.assertTrue(self.vctotal == 0, "Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 0, "Expected GW PV total count: 0, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 0, "Expected GW connected PV count: 0, actual: " + str(self.connected))
self.assertTrue(self.active == 0, "Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(self.inactive == 0, "Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enumtest is an mbbi record with three strings defined: zero one two
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(self.vctotal == 1, "Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 1, "Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 1, "Expected GW connected PV count: 1, actual: " + str(self.connected))
self.assertTrue(self.active == 1, "Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(self.inactive == 0, "Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# enum string should not have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one', "Expected IOC enum[1]: one; actual enum[1]: "+ oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'one', "Expected GW enum[1]: one; actual enum[1]: "+ oneStr)
# disconnect Channel Access, reconnect Gateway stats
ca.finalize_libca()
ca.initialize_libca()
self.connectGwStats()
# gateway should show no VC and 1 connected inactive PV
self.updateGwStats()
self.assertTrue(self.vctotal == 0, "Expected GW VC total count: 0, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 1, "Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 1, "Expected GW connected PV count: 1, actual: " + str(self.connected))
self.assertTrue(self.active == 0, "Expected GW active PV count: 0, actual: " + str(self.active))
self.assertTrue(self.inactive == 1, "Expected GW inactive PV count: 1, actual: " + str(self.inactive))
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# reconnect Gateway and IOC
gw = ca.create_channel("gateway:enumtest")
connected = ca.connect_channel(gw, timeout=.5)
self.assertTrue(connected, "Could not connect to gateway channel " + ca.name(gw))
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(gw))
# gateway should show one VC and one connected active PV
self.updateGwStats()
self.assertTrue(self.vctotal == 1, "Expected GW VC total count: 1, actual: " + str(self.vctotal))
self.assertTrue(self.pvtotal == 1, "Expected GW PV total count: 1, actual: " + str(self.pvtotal))
self.assertTrue(self.connected == 1, "Expected GW connected PV count: 1, actual: " + str(self.connected))
self.assertTrue(self.active == 1, "Expected GW active PV count: 1, actual: " + str(self.active))
self.assertTrue(self.inactive == 0, "Expected GW inactive PV count: 0, actual: " + str(self.inactive))
# Now the enum string should have been updated
ioc_ctrl = ca.get_ctrlvars(ioc)
oneStr = ioc_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno', "Expected IOC enum[1]: uno; actual enum[1]: "+ oneStr)
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == 'uno', "Expected GW enum[1]: uno; actual enum[1]: "+ oneStr)
