def test_type_converions_1(self):
write("CA type conversions scalars")
pvlist = (pvnames.str_pv, pvnames.int_pv, pvnames.float_pv,
pvnames.enum_pv, pvnames.long_pv, pvnames.double_pv2)
chids = []
with no_simulator_updates():
for name in pvlist:
chid = ca.create_channel(name)
ca.connect_channel(chid)
chids.append((chid, name))
ca.poll(evt=0.025, iot=5.0)
ca.poll(evt=0.05, iot=10.0)
values = {}
for chid, name in chids:
values[name] = ca.get(chid, as_string=True)
for promotion in ('ctrl', 'time'):
for chid, pvname in chids:
write('=== %s chid=%s as %s' % (ca.name(chid), repr(chid),
promotion))
time.sleep(0.01)
if promotion == 'ctrl':
ntype = ca.promote_type(chid, use_ctrl=True)
else:
ntype = ca.promote_type(chid, use_time=True)
val = ca.get(chid, ftype=ntype)
cval = ca.get(chid, as_string=True)
if ca.element_count(chid) > 1:
val = val[:12]
self.assertEqual(cval, values[pvname])
def test_type_converions_2(self):
write("CA type conversions arrays")
pvlist = (pvnames.char_arr_pv,
pvnames.long_arr_pv,
pvnames.double_arr_pv)
with no_simulator_updates():
chids = []
for name in pvlist:
chid = ca.create_channel(name)
ca.connect_channel(chid)
chids.append((chid, name))
ca.poll(evt=0.025, iot=5.0)
ca.poll(evt=0.05, iot=10.0)
values = {}
for chid, name in chids:
values[name] = ca.get(chid)
for promotion in ('ctrl', 'time'):
for chid, pvname in chids:
write('=== %s chid=%s as %s' % (ca.name(chid), repr(chid),
promotion))
time.sleep(0.01)
if promotion == 'ctrl':
ntype = ca.promote_type(chid, use_ctrl=True)
else:
ntype = ca.promote_type(chid, use_time=True)
val = ca.get(chid, ftype=ntype)
cval = ca.get(chid, as_string=True)
for a, b in zip(val, values[pvname]):
self.assertEqual(a, b)
def test_type_converions_2(self):
write("CA type conversions arrays\n")
pvlist = (pvnames.char_arr_pv,
pvnames.long_arr_pv,
pvnames.double_arr_pv)
with no_simulator_updates():
chids = []
for name in pvlist:
chid = ca.create_channel(name)
ca.connect_channel(chid)
chids.append((chid, name))
ca.poll(evt=0.025, iot=5.0)
ca.poll(evt=0.05, iot=10.0)
values = {}
for chid, name in chids:
values[name] = ca.get(chid)
for promotion in ('ctrl', 'time'):
for chid, pvname in chids:
write('=== %s chid=%s as %s\n' % (ca.name(chid),
repr(chid), promotion))
time.sleep(0.01)
if promotion == 'ctrl':
ntype = ca.promote_type(chid, use_ctrl=True)
else:
ntype = ca.promote_type(chid, use_time=True)
val = ca.get(chid, ftype=ntype)
cval = ca.get(chid, as_string=True)
for a, b in zip(val, values[pvname]):
self.assertEqual(a, b)
def test_type_converions_1(self):
write("CA type conversions scalars")
pvlist = (pvnames.str_pv, pvnames.int_pv, pvnames.float_pv,
pvnames.enum_pv, pvnames.long_pv, pvnames.double_pv2)
chids = []
pause_updating()
for name in pvlist:
chid = ca.create_channel(name)
ca.connect_channel(chid)
chids.append((chid, name))
ca.poll(evt=0.025, iot=5.0)
ca.poll(evt=0.05, iot=10.0)
values = {}
for chid, name in chids:
values[name] = ca.get(chid, as_string=True)
for promotion in ('ctrl', 'time'):
for chid, pvname in chids:
write('=== %s chid=%s as %s' % (ca.name(chid),
repr(chid), promotion))
time.sleep(0.01)
if promotion == 'ctrl':
ntype = ca.promote_type(chid, use_ctrl=True)
else:
ntype = ca.promote_type(chid, use_time=True)
val = ca.get(chid, ftype=ntype)
cval = ca.get(chid, as_string=True)
if ca.element_count(chid) > 1:
val = val[:12]
self.assertEqual(cval, values[pvname])
resume_updating()
def testCtrlStruct_ValueMonitor(self):
'''Monitor PV (value events) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
# 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))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
use_ctrl=True,
callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
use_ctrl=True,
callback=self.onChangeIOC)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
gwtests.wait_until(
lambda: self.eventsReceivedIOC == self.eventsReceivedGW, 5.0)
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
ca.put(ioc_value, 11.0, wait=True) # trigger update
gwtests.wait_until(
lambda: self.eventsReceivedIOC == self.eventsReceivedGW, 5.0)
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
def connectGwStats(self):
self.gw_vctotal = ca.create_channel("gwtest:vctotal")
ca.connect_channel(self.gw_vctotal, timeout=.5)
self.gw_pvtotal = ca.create_channel("gwtest:pvtotal")
ca.connect_channel(self.gw_pvtotal, timeout=.5)
self.gw_connected = ca.create_channel("gwtest:connected")
ca.connect_channel(self.gw_connected, timeout=.5)
self.gw_active = ca.create_channel("gwtest:active")
ca.connect_channel(self.gw_active, timeout=.5)
self.gw_inactive = ca.create_channel("gwtest:inactive")
ca.connect_channel(self.gw_inactive, timeout=.5)
def testEnumPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - 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))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, callback=self.onChange)
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))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, callback=self.onChange)
# 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)
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# Now the enum string should have been updated (if IOC supports DBE_PROPERTY)
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)
if self.propSupported:
gw_expected = 'uno'
else:
gw_expected = 'one'
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(oneStr == gw_expected, "Expected GW enum[1]: {0}; actual enum[1]: {1}".format(gw_expected, oneStr))
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 batch_get(pv_list):
chids = {}
pvdata = {}
for name in pv_list:
chid = ca.create_channel(name, connect=False, auto_cb=False)
chids[name] = chid
for name, chid in chids.items():
ca.connect_channel(chid)
ca.poll()
for name, chid in chids.items():
ca.get(chid, wait=False)
ca.poll()
for name, chid in chids.items():
val = ca.get_complete(chid)
pvdata[name] = val
return pvdata
def test_Values(self):
write("CA test Values (compare 5 values with caget)")
os.system("rm ./caget.tst")
vals = {}
pause_updating()
for pvn in (pvnames.str_pv, pvnames.int_pv, pvnames.float_pv, pvnames.enum_pv, pvnames.long_pv):
os.system("caget -n -f5 %s >> ./caget.tst" % pvn)
chid = ca.create_channel(pvn)
ca.connect_channel(chid)
vals[pvn] = ca.get(chid)
rlines = open("./caget.tst", "r").readlines()
for line in rlines:
pvn, sval = [i.strip() for i in line[:-1].split(" ", 1)]
tval = str(vals[pvn])
if pvn in (pvnames.float_pv, pvnames.double_pv): # use float precision!
tval = "%.5f" % vals[pvn]
self.assertEqual(tval, sval)
resume_updating()
def get(d, pv_name, size, start, pid):
ch = ca.create_channel(pv_name, connect=False, auto_cb=False)
if ca.connect_channel(ch, timeout=1.0):
d[pv_name] = ca.get(ch, wait=True)
else:
d[pv_name] = 'not connected'
if len(d) == size:
print int(round((time.time() - start) * 1000))
os.kill(pid, signal.SIGTERM)
def main():
parser = argparse.ArgumentParser() # parser for the inputs - must keep the 2 lines below.
parser.add_argument("-f", "--setupfile", help="setup file (default = monitor.dat)",nargs='?', const=0, default="monitor.dat")
parser.add_argument("-v", "--verbosity", help="increase verbosity", nargs='?', const=0, default=0)
args = parser.parse_args() #get the input args from the parser
global verbose
verbose = args.verbosity
setup_file = args.setupfile
global pvdata
global mon_line
global pvf
global pvfull
#read the setup file, which has the form
#index TOP PVname Period(s)
for line in file(setup_file): #read the lines in the setup file to pvdata monitor list
if not (line.startswith("#") or len(line.split())<3): #skip comments and require 3 fields
s=line.split() #split input into fields
wf=PV(s[pvf.TOP]+":"+s[pvf.NAME]+"_wf") #wf, en are PVs for waveform and enable
en=PV(s[pvf.TOP]+":"+s[pvf.NAME]+"_en")
pvdata.append([s[0],s[pvf.TOP],s[pvf.NAME],s[pvf.PERIOD],wf,en,[]]) #add to list, with list for IDS
#Call doNode() which works recursively through the tree and calls do_node()
#which you may overwrite by calling your own function (eg my_node() shown here)
#In this case, it calls my_node() for every element - see below.
doNode.doNode(pvdata[mon_line][pvf.TOP],do_node=my_node, v=verbose)
#now the pvf.ID array has been filled, try to connect to all the elements
for n,chid in enumerate(pvdata[mon_line][pvf.ID]):
if not ca.connect_channel(chid,timeout=0.001):
if verbose:
print pvfull[n], "... Not connected, chid = 0"
pvdata[mon_line][pvf.ID][n]=0
else:
if verbose:
print pvfull[n], "... Connected, chid = ",chid
pvdata[mon_line].append(numpy.zeros(len(pvdata[mon_line][pvf.ID]))) #create a zero numpy array for the data
pvfull = [] #reset the list of names
mon_line+=1 #increment the current line number
#start a monitor thread for each
for l in range(mon_line):
t = Thread(target=monitor, args=(l,))
t.start()
#do the poll loop here, to cover all monitor threads
while mon_line > 0:
ca.poll()
time.sleep(1.0)
print "poll"
def test_Values(self):
write('CA test Values (compare 5 values with caget)')
os.system('rm ./caget.tst')
vals = {}
with no_simulator_updates():
for pvn in (pvnames.str_pv, pvnames.int_pv, pvnames.float_pv,
pvnames.enum_pv, pvnames.long_pv):
os.system('caget -n -f5 %s >> ./caget.tst' % pvn)
chid = ca.create_channel(pvn)
ca.connect_channel(chid)
vals[pvn] = ca.get(chid)
rlines = open('./caget.tst', 'r').readlines()
for line in rlines:
pvn, sval = [i.strip() for i in line[:-1].split(' ', 1)]
tval = str(vals[pvn])
if pvn in (pvnames.float_pv, pvnames.double_pv):
# use float precision!
tval = "%.5f" % vals[pvn]
self.assertEqual(tval, sval)
def run_synchronous_get_optimized(pvs):
"""Run synchronous optimized get test."""
pvschid = []
for pvn in pvs:
chid = ca.create_channel(pvn, connect=False, auto_cb=False)
pvschid.append(chid)
for chid in pvschid:
ca.connect_channel(chid)
ca.poll()
for i in range(600):
t0 = time.time()
for chid in pvschid:
ca.get(chid, wait=False)
out = []
for chid in pvschid:
out.append(ca.get_complete(chid))
print(f'dtime {(time.time()-t0)*1000:.1f}ms pos {out[0]:.0f}nm')
def test_Values(self):
write( 'CA test Values (compare 5 values with caget)')
os.system('rm ./caget.tst')
vals = {}
with no_simulator_updates():
for pvn in (pvnames.str_pv, pvnames.int_pv,
pvnames.float_pv, pvnames.enum_pv,
pvnames.long_pv):
os.system('caget -n -f5 %s >> ./caget.tst' % pvn)
chid = ca.create_channel(pvn)
ca.connect_channel(chid)
vals[pvn] = ca.get(chid)
rlines = open('./caget.tst', 'r').readlines()
for line in rlines:
pvn, sval = [i.strip() for i in line[:-1].split(' ', 1)]
tval = str(vals[pvn])
if pvn in (pvnames.float_pv,pvnames.double_pv):
# use float precision!
tval = "%.5f" % vals[pvn]
self.assertEqual(tval, sval)
def _set_params2(self):
"""Set run params..."""
functionName = '_set_params'
pvdata = {}
for name in self._pvnamelist:
chid = ca.create_channel(name, connect=False,
auto_cb=False) # note 1
pvdata[name] = [chid, None]
for name, data in pvdata.items():
ca.connect_channel(data[0])
ca.poll()
for name, data in pvdata.items():
ca.get(data[0], wait=False) # note 2
ca.poll()
for name, data in pvdata.items():
val = ca.get_complete(data[0])
pvdata[name][1] = val
#return { name: data[1] for name, data in pvdata.items()}
ret = dict((name, data[1]) for name, data in pvdata.items())
print(ret)
return ret
def run_subprocess(pvs, pipe):
pvschid = []
for pv in pvs:
chid = ca.create_channel(pv, connect=False, auto_cb=False)
pvschid.append(chid)
for chid in pvschid:
ca.connect_channel(chid)
time.sleep(5)
for chid in pvschid:
ftype = ca.promote_type(chid, use_time=True, use_ctrl=False)
ca.poll()
while pipe.recv():
for chid in pvschid:
ca.get_with_metadata(chid, ftype=ftype, wait=False)
out = []
for chid in pvschid:
data = ca.get_complete_with_metadata(chid, ftype=ftype)
out.append(data['timestamp'])
pipe.send(out)
def testCtrlStruct_ValueMonitor(self):
'''Monitor PV (value events) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
# 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))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, use_ctrl=True, callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected, "Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, use_ctrl=True, callback=self.onChangeIOC)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
time.sleep(.1)
self.assertTrue(self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
ca.put(ioc_value, 11.0, wait=True) # trigger update
time.sleep(.1)
self.assertTrue(self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
def test_CreateChid_CheckTypeCount():
write('Simple Test: create chid, check count, type, host, and access')
chid = ca.create_channel(pvnames.double_pv)
ret = ca.connect_channel(chid)
ca.pend_event(1.e-3)
ftype = ca.field_type(chid)
count = ca.element_count(chid)
host = ca.host_name(chid)
rwacc = ca.access(chid)
assert chid is not None
assert host is not None
assert count == 1
assert ftype == 6
assert rwacc == 'read/write'
def testA_CreateChid_CheckTypeCount(self):
write('Simple Test: create chid, check count, type, host, and access')
chid = ca.create_channel(pvnames.double_pv)
ret = ca.connect_channel(chid)
ca.pend_event(1.e-3)
ftype = ca.field_type(chid)
count = ca.element_count(chid)
host = ca.host_name(chid)
rwacc = ca.access(chid)
self.assertIsNot(chid, None)
self.assertIsNot(host, None)
self.assertEqual(count, 1)
self.assertEqual(ftype, 6)
self.assertEqual(rwacc,'read/write')
def testA_CreateChid_CheckTypeCount(self):
write('Simple Test: create chid, check count, type, host, and access')
chid = ca.create_channel(pvnames.double_pv)
ret = ca.connect_channel(chid)
ca.pend_event(1.e-3)
ftype = ca.field_type(chid)
count = ca.element_count(chid)
host = ca.host_name(chid)
rwacc = ca.access(chid)
self.assertNotEqual(chid, None)
self.assertNotEqual(host, None)
self.assertEqual(count, 1)
self.assertEqual(ftype, 6)
self.assertEqual(rwacc,'read/write')
def testPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - 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))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(gw, mask=dbr.DBE_VALUE, callback=self.onChange)
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))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(ioc, mask=dbr.DBE_VALUE, callback=self.onChange)
# 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))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
time.sleep(.1)
# Now the limit should have been updated (if IOC supports DBE_PROPERTY)
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))
if self.propSupported:
gw_expected = 20.0
else:
gw_expected = 10.0
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(highVal == gw_expected, "Expected GW warning_limit: {0}; actual limit: {1}".format(gw_expected, highVal))
pvnames = pvnames[:MAX_PVS]
add('Read PV list: Will connect to %i PVs' % len(pvnames))
libca = ca.initialize_libca()
for name in pvnames:
chid = ca.create_channel(name, connect=False, auto_cb=False)
results[name] = {'chid': chid}
time.sleep(0.001)
add("created PVs with ca_create_channel")
for name in pvnames:
ca.connect_channel(results[name]['chid'])
time.sleep(0.001)
add("connected to PVs with connect_channel")
ca.pend_event(1.e-2)
for name in pvnames:
chid = results[name]['chid']
val = ca.get(chid, wait=False)
results[name]['value'] = val
add("did ca.get(wait=False)")
ca.poll(2.e-3, 1.0)
add("ca.poll() complete")
elif len(sys.argv) == 2:
if str(sys.argv[1]) == 'clean':
config = open('./config/pv_list_clean.json', 'r')
else:
config = open('./config/pv_list.json', 'r')
else:
sys.exit('at most two arguments allowed.')
result = {}
pv_list = json.loads(config.read())
start = time.time()
for pv_name in pv_list:
ch = ca.create_channel(pv_name, connect=False, auto_cb=False)
result[pv_name] = [ch, None, None]
for pv_name, data in result.items():
result[pv_name][1] = ca.connect_channel(data[0], timeout=1.0)
ca.poll()
for pv_name, data in result.items():
if result[pv_name][1]:
ca.get(data[0], wait=False)
ca.poll()
for pv_name, data in result.items():
if result[pv_name][1]:
val = ca.get_complete(data[0])
result[pv_name][2] = val
else:
result[pv_name][2] = 'not connected'
duration = time.time() - start
print int(round(duration * 1000))
pvnames = pvnames[:MAX_PVS]
dt.add('Read PV list: Will connect to %i PVs' % len(pvnames))
libca = ca.initialize_libca()
for name in pvnames:
chid = ca.create_channel(name, connect=False, auto_cb=False)
results[name] = {'chid': chid}
time.sleep(0.001)
dt.add("created PVs with ca_create_channel")
for name in pvnames:
ca.connect_channel(results[name]['chid'])
time.sleep(0.001)
dt.add("connected to PVs with connect_channel")
ca.pend_event(1.e-2)
for name in pvnames:
chid = results[name]['chid']
val = ca.get(chid, wait=False)
results[name]['value'] = val
dt.add("did ca.get(wait=False)")
ca.pend_event(1.e-2)
dt.add("pend complete")
def testCSStudio_ValueAndPropMonitor(self):
'''Monitor PV (imitating CS-Studio) through GW - change value and properties directly - check CTRL structure consistency'''
diffs = []
if gwtests.verbose:
print()
# 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))
(gw_cbref, gw_uaref, gw_eventid) = ca.create_subscription(
gw,
mask=dbr.DBE_VALUE | dbr.DBE_ALARM,
use_time=True,
callback=self.onChangeGW)
(gw_cbref2, gw_uaref2,
gw_eventid2) = ca.create_subscription(gw,
mask=dbr.DBE_PROPERTY,
use_ctrl=True,
callback=self.onChangeGW)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref, ioc_eventid) = ca.create_subscription(
ioc,
mask=dbr.DBE_VALUE | dbr.DBE_ALARM,
use_time=True,
callback=self.onChangeIOC)
(ioc_cbref2, ioc_uaref2,
ioc_eventid2) = ca.create_subscription(ioc,
mask=dbr.DBE_PROPERTY,
use_ctrl=True,
callback=self.onChangeIOC)
time.sleep(.1)
# set value on IOC
ioc_value = ca.create_channel("ioc:gwcachetest")
ca.put(ioc_value, 10.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting value, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change value), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
# set property on IOC
ioc_hihi = ca.create_channel("ioc:gwcachetest.HIHI")
ca.put(ioc_hihi, 123.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
ca.put(ioc_value, 11.0, wait=True)
time.sleep(.1)
if gwtests.verbose:
print()
self.assertTrue(
self.eventsReceivedIOC == self.eventsReceivedGW,
"After setting property, no. of received updates differ: GW {0}, IOC {1}"
.format(str(self.eventsReceivedGW), str(self.eventsReceivedIOC)))
(are_diff, diffs) = self.compareStructures()
self.assertTrue(
are_diff == False,
"At update {0} (change property), received structure updates differ:\n\t{1}"
.format(str(self.eventsReceivedIOC), "\n\t".join(diffs)))
def main():
parser = argparse.ArgumentParser() # parser for the inputs - must keep the 2 lines below.
parser.add_argument("top", help="top node") # must have a top node, -v VERBOSITY is an opion
parser.add_argument("-v", "--verbosity", help="increase verbosity", nargs='?', const=0, default=0)
#add extra args and opts here
parser.add_argument("pv", help="pvname")
args = parser.parse_args() #get the input args from the parser
global verbose
verbose = args.verbosity
global pvname
global nChid
pvname = args.pv
#This calls the doNode() (bottom of this file) that works recursively through the tree and calls do_node()
#which you may overwrite by calling your own function (eg my_node() shown here
#In this case, it calls my_node() for every element - see below.
doNode.doNode(args.top,do_node=my_node, v=verbose)
wave=numpy.zeros(nChid) #create an array for all the values
pvname_wf = args.top+":"+pvname+"_wf" #make the names of the PVs for waveform and enable switch
pvname_en = args.top+":"+pvname+"_en"
print pvname_wf,pvname_en
pvwf = PV(pvname_wf) #set the PV
pven = PV(pvname_en) #set the PV
pven.put(1)
for i in range(len(allids)): #connect call the channels
if not ca.connect_channel(allids[i],timeout=0.001):
allids[i]=0
print "Warning didn't connect to PV =", allnames[i], "ignoring this one"
ca.poll() #Not sure exactly what this does!
n=0
while n < 100000:
for i in range(len(allids)):
#print i, allids[i]
if allids[i] > 0:
ca.get(allids[i], wait=False) #Tell them all to start getting but don't wait
ca.poll()
for i in range(len(allids)): #now finish getting
if allids[i] > 0:
val = ca.get_complete(allids[i])
wave[i]=val
if verbose:
#print allnames[i],val
pvwf.put(wave)
time.sleep(0.5)
if not pven.get():
exit()
#print n,pven.get()
n+=1
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)
import time
import sys
from epics import ca
import pvnames
pvname = pvnames.double_pv
host = pvnames.double_pv_host
chid = ca.create_channel(pvname)
ret = ca.connect_channel(chid)
ca.pend_event(1.e-3)
ftype = ca.field_type(chid)
count = ca.element_count(chid)
host = ca.host_name(chid)
rwacc = ca.access(chid)
if ftype == 6 and count == 1 and host.startswith(host) and rwacc.startswith(
'read'):
sys.stdout.write('OK!\n')
else:
sys.stdout.write("Error\n")
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)
import time
import sys
from epics import ca
import pvnames
pvname = pvnames.double_pv
host = pvnames.double_pv_host
chid = ca.create_channel(pvname)
ret = ca.connect_channel(chid)
ca.pend_event(1.e-3)
ftype = ca.field_type(chid)
count = ca.element_count(chid)
host = ca.host_name(chid)
rwacc = ca.access(chid)
if ftype ==6 and count == 1 and host.startswith(host) and rwacc.startswith('read'):
sys.stdout.write('OK!\n')
else:
sys.stdout.write("Error\n")
def main():
parser = argparse.ArgumentParser(
) # parser for the inputs - must keep the 2 lines below.
parser.add_argument("-f",
"--setupfile",
help="setup file (default = monitor.dat)",
nargs='?',
const=0,
default="monitor.dat")
parser.add_argument("-v",
"--verbosity",
help="increase verbosity",
nargs='?',
const=0,
default=0)
args = parser.parse_args() #get the input args from the parser
global verbose
verbose = args.verbosity
setup_file = args.setupfile
global pvdata
global mon_line
global pvf
global pvfull
#read the setup file, which has the form
#index TOP PVname Period(s)
for line in file(
setup_file
): #read the lines in the setup file to pvdata monitor list
if not (line.startswith("#")
or len(line.split()) < 3): #skip comments and require 3 fields
s = line.split() #split input into fields
wf = PV(s[pvf.TOP] + ":" + s[pvf.NAME] +
"_wf") #wf, en are PVs for waveform and enable
en = PV(s[pvf.TOP] + ":" + s[pvf.NAME] + "_en")
pvdata.append(
[s[0], s[pvf.TOP], s[pvf.NAME], s[pvf.PERIOD], wf, en,
[]]) #add to list, with list for IDS
#Call doNode() which works recursively through the tree and calls do_node()
#which you may overwrite by calling your own function (eg my_node() shown here)
#In this case, it calls my_node() for every element - see below.
doNode.doNode(pvdata[mon_line][pvf.TOP],
do_node=my_node,
v=verbose)
#now the pvf.ID array has been filled, try to connect to all the elements
for n, chid in enumerate(pvdata[mon_line][pvf.ID]):
if not ca.connect_channel(chid, timeout=0.001):
if verbose:
print pvfull[n], "... Not connected, chid = 0"
pvdata[mon_line][pvf.ID][n] = 0
else:
if verbose:
print pvfull[n], "... Connected, chid = ", chid
pvdata[mon_line].append(numpy.zeros(len(pvdata[mon_line][
pvf.ID]))) #create a zero numpy array for the data
pvfull = [] #reset the list of names
mon_line += 1 #increment the current line number
#start a monitor thread for each
for l in range(mon_line):
t = Thread(target=monitor, args=(l, ))
t.start()
#do the poll loop here, to cover all monitor threads
while mon_line > 0:
ca.poll()
time.sleep(1.0)
def testPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - 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))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
callback=self.onChange)
ioc = ca.create_channel("ioc:gwcachetest")
connected = ca.connect_channel(ioc, timeout=.5)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(ioc))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
callback=self.onChange)
# 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))
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))
# set warning limit on IOC
ioc_high = ca.create_channel("ioc:gwcachetest.HIGH")
ca.put(ioc_high, 20.0, wait=True)
time.sleep(.1)
# Now the limit should have been updated (if IOC supports DBE_PROPERTY)
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))
if self.propSupported:
gw_expected = 20.0
else:
gw_expected = 10.0
gw_ctrl = ca.get_ctrlvars(gw)
highVal = gw_ctrl['upper_warning_limit']
self.assertTrue(
highVal == gw_expected,
"Expected GW warning_limit: {0}; actual limit: {1}".format(
gw_expected, highVal))
# set unit string on IOC
ioc_egu = ca.create_channel("ioc:gwcachetest.EGU")
old_egu = ca.get(ioc_egu)
ca.put(ioc_egu, "foo", wait=True)
time.sleep(.1)
# Now the unit string should have been updated (if IOC supports DBE_PROPERTY)
ioc_ctrl = ca.get_ctrlvars(ioc)
eguVal = ioc_ctrl['units']
self.assertTrue(
eguVal == "foo",
"Expected IOC units string: foo; actual units string: " + eguVal)
if self.propSupported:
gw_expected = "foo"
else:
gw_expected = old_egu
gw_ctrl = ca.get_ctrlvars(gw)
eguVal = gw_ctrl['units']
self.assertTrue(
eguVal == gw_expected,
"Expected GW units string: {0}; actual units string: {1}".format(
gw_expected, eguVal))
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 main():
parser = argparse.ArgumentParser() # parser for the inputs - must keep the 2 lines below.
parser.add_argument("top", help="top node") # must have a top node, -v VERBOSITY is an opion
parser.add_argument("-v", "--verbosity", help="increase verbosity", nargs='?', const=0, default=0)
#add extra args and opts here
parser.add_argument("pv", help="pvname")
args = parser.parse_args() #get the input args from the parser
global verbose
verbose = args.verbosity
global pvname
global nChid
pvname = args.pv
#This calls the doNode() (bottom of this file) that works recursively through the tree and calls do_node()
#which you may overwrite by calling your own function (eg my_node() shown here
#In this case, it calls my_node() for every element - see below.
doNode.doNode(args.top,do_node=my_node, v=verbose)
wave=numpy.zeros(nChid) #create an array for all the values
pvname_wf = args.top+":"+pvname+"_wf" #make the names of the PVs for waveform and enable switch
pvname_en = args.top+":"+pvname+"_en"
print pvname_wf,pvname_en
pvwf = PV(pvname_wf) #set the PV
pven = PV(pvname_en) #set the PV
pven.put(1)
for i in range(len(allids)): #connect call the channels
if not ca.connect_channel(allids[i],timeout=0.001):
allids[i]=0
print "Warning didn't connect to PV =", allnames[i], "ignoring this one"
ca.poll() #Not sure exactly what this does!
n=0
while n < 100000:
for i in range(len(allids)):
#print i, allids[i]
if allids[i] > 0:
ca.get(allids[i], wait=False) #Tell them all to start getting but don't wait
ca.poll()
for i in range(len(allids)): #now finish getting
if allids[i] > 0:
val = ca.get_complete(allids[i])
wave[i]=val
#if verbose:
#print allnames[i],val
pvwf.put(wave)
time.sleep(0.5)
if not pven.get():
exit()
#print n,pven.get()
n+=1
def testEnumPropCache_ValueMonitorCTRLget(self):
'''Monitor PV (value events) through GW - 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))
(gw_cbref, gw_uaref,
gw_eventid) = ca.create_subscription(gw,
mask=dbr.DBE_VALUE,
callback=self.onChange)
ioc = ca.create_channel("ioc:enumtest")
connected = ca.connect_channel(ioc)
self.assertTrue(connected,
"Could not connect to ioc channel " + ca.name(gw))
(ioc_cbref, ioc_uaref,
ioc_eventid) = ca.create_subscription(ioc,
mask=dbr.DBE_VALUE,
callback=self.onChange)
# 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)
# set enum string on IOC
ioc_enum1 = ca.create_channel("ioc:enumtest.ONST")
ca.put(ioc_enum1, 'uno', wait=True)
time.sleep(.1)
# Now the enum string should have been updated (if IOC supports DBE_PROPERTY)
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)
if self.propSupported:
gw_expected = 'uno'
else:
gw_expected = 'one'
gw_ctrl = ca.get_ctrlvars(gw)
oneStr = gw_ctrl['enum_strs'][1]
self.assertTrue(
oneStr == gw_expected,
"Expected GW enum[1]: {0}; actual enum[1]: {1}".format(
gw_expected, oneStr))