def test_powerflex_poll_success(simulated_powerflex_gateway):
#logging.getLogger().setLevel( logging.INFO )
command, address = simulated_powerflex_gateway
try:
assert address, "Unable to detect PowerFlex EtherNet/IP CIP Gateway IP address"
values = {}
def process(p, v):
print("%s: %16s == %s" % (time.ctime(), p, v))
values[p] = v
process.done = False
poller = threading.Thread(target=poll.poll,
args=(powerflex_750_series, ),
kwargs={
'address': address,
'cycle': 1.0,
'timeout': 0.5,
'process': process,
})
poller.deamon = True
poller.start()
try:
# Polling starts immediately
time.sleep(.5)
assert len(values) == 2
# Make sure it repeats
values.clear()
assert len(values) == 0
time.sleep(1.0)
assert len(values) == 2
# Allow time to refresh values on next poll
values['Output Current'] = 1.0
time.sleep(1.0)
finally:
process.done = True
poller.join(1.0)
assert not poller.is_alive(), "Poller Thread failed to terminate"
assert 'Output Current' in values and near(values['Output Current'][0],
123.45)
assert 'Motor Velocity' in values and near(values['Motor Velocity'][0],
789.01)
except Exception as exc:
logging.warning("Test terminated with exception: %s", exc)
raise
def test_powerflex_poll_success( simulated_powerflex_gateway ):
#logging.getLogger().setLevel( logging.INFO )
command,address = simulated_powerflex_gateway
try:
assert address, "Unable to detect PowerFlex EtherNet/IP CIP Gateway IP address"
values = {}
def process( p, v ):
print( "%s: %16s == %s" % ( time.ctime(), p, v ))
values[p] = v
process.done = False
poller = threading.Thread(
target=poll.poll, args=(powerflex_750_series,), kwargs={
'address': address,
'cycle': 1.0,
'timeout': 0.5,
'process': process,
})
poller.deamon = True
poller.start()
try:
# Polling starts immediately
time.sleep(.5)
assert len( values ) == 2
# Make sure it repeats
values.clear()
assert len( values ) == 0
time.sleep(1.0)
assert len( values ) == 2
# Allow time to refresh values on next poll
values['Output Current'] = 1.0
time.sleep(1.0)
finally:
process.done = True
poller.join( 1.0 )
assert not poller.is_alive(), "Poller Thread failed to terminate"
assert 'Output Current' in values and near( values['Output Current'][0], 123.45 )
assert 'Motor Velocity' in values and near( values['Motor Velocity'][0], 789.01 )
except Exception as exc:
logging.warning( "Test terminated with exception: %s", exc )
raise
def test_powerflex_simple( simulated_powerflex_gateway ):
#logging.getLogger().setLevel( logging.INFO )
command,address = simulated_powerflex_gateway
try:
assert address, "Unable to detect PowerFlex EtherNet/IP CIP Gateway IP address"
pf = powerflex( host=address[0], port=address[1], timeout=1 )
# Reading a list of nothing should work...
assert list( pf.read( [] )) == []
# At the least, it ensures we have a non-None .identity
print( "PowerFlex Identity: %s" % pf )
assert "None" not in str( pf ), "No EtherNet/IP CIP connection, or no Identity"
# Simple read of Tag, using Read Tag; returns list of bare list of data elements
tag = "SCADA[0-9]"
value, = pf.read( [ tag ] )
print( "Tag: %15s: %r" % ( tag, value ))
assert type( value ) is list and all( v == 0 for v in value )
# Read of CIP Object/Instance/Attribute using Get Attribute Single, interpreted as an
# arbitrary CIP data type. Returns list of result values, each a dict of decoded data.
# Providing a type to use to decode the data produces whatever dictionary the type parses
# into, unchanged:
get = ( "@1/1/1", enip.INT )
value, = pf.read( [ get ] )
print( "Vendor Number: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'INT' in value[0] and value[0]['INT'] == 0x0001
get = ( "@1/1/7", enip.SSTRING )
value, = pf.read( [ get] )
print( "Product Name: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'SSTRING' in value[0] and value[0].SSTRING.string == 'PowerFlex/20-COMM-E'
# Get the DPI Parameter 0x93, Instance 3, Attribute 9 Output_Current attribute, interpreted
# as REAL. 1 element.
get = ( "@0x93/7/10", enip.REAL )
value, = pf.read( [ get] )
print( "Output_Current: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'REAL' in value[0] and near( value[0].REAL, 123.45 )
# Get the DPI parameter 0x93, Instance 3, Attribute 9 Output_Current attribute, interpreted
# as INT. 1 element. Providing named CIP types shucks the dictionary container, and
# produces just the target typed data:
get = ( "@0x93/140/10", "INT" )
value, = pf.read( [ get] )
print( "Accel_Time_1: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and value[0] == 567
get = ( "@1/1", [ "INT", "INT", "INT", "INT", "INT", "DINT", "SSTRING", "USINT" ])
value, = pf.read( [ get] )
print( "Identity (all): %15s: %r" % ( get[0], value ))
assert value == [1, 14, 54, 2836, 12640, 7079450, u'PowerFlex/20-COMM-E', 255]
# TCPIP Object
get = ( "@0xF5/1", [
"DWORD", "DWORD", "DWORD", "EPATH",
"IPADDR", "IPADDR", "IPADDR", "IPADDR", "IPADDR", "STRING",
"STRING"
])
value, = pf.read( [ get] )
print( "TCPIP (all): %15s: %r" % ( get[0], value ))
assert value == [2, 48, 16, [{'class': 246}, {'instance': 1}], '10.0.0.4', '255.255.252.0', '10.0.0.1', '10.0.0.1', '8.8.8.8', u'example.com', u'powerflex']
# List Identity
ident = pf.list_identity()
assert ident.sin_addr == "10.0.0.4"
except Exception as exc:
logging.warning( "Test terminated with exception: %s", exc )
raise
def test_powerflex_simple( simulated_powerflex_gateway ):
# logging.getLogger().setLevel( logging.INFO )
command,address = simulated_powerflex_gateway
try:
assert address, "Unable to detect PowerFlex EtherNet/IP CIP Gateway IP address"
pf = powerflex( host=address[0], port=address[1], timeout=1 )
# Reading a list of nothing should work...
assert list( pf.read( [] )) == []
# At the least, it ensures we have a non-None .identity
print( "PowerFlex Identity: %s" % pf )
assert "None" not in str( pf ), "No EtherNet/IP CIP connection, or no Identity"
# Simple read of Tag, using Read Tag; returns list of bare list of data elements
tag = "SCADA[0-9]"
value, = pf.read( [ tag ] )
print( "Tag: %15s: %r" % ( tag, value ))
assert type( value ) is list and all( v == 0 for v in value )
# Read of CIP Object/Instance/Attribute using Get Attribute Single, interpreted as an
# arbitrary CIP data type. Returns list of result values, each a dict of decoded data.
# Providing a type to use to decode the data produces whatever dictionary the type parses
# into, unchanged:
get = ( "@1/1/1", enip.INT )
value, = pf.read( [ get ] )
print( "Vendor Number: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'INT' in value[0] and value[0]['INT'] == 0x0001
get = ( "@1/1/7", enip.SSTRING )
value, = pf.read( [ get] )
print( "Product Name: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'SSTRING' in value[0] and value[0].SSTRING.string == 'PowerFlex/20-COMM-E'
# Get the DPI Parameter 0x93, Instance 3, Attribute 9 Output_Current attribute, interpreted
# as REAL. 1 element.
get = ( "@0x93/7/10", enip.REAL )
value, = pf.read( [ get] )
print( "Output_Current: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and 'REAL' in value[0] and near( value[0].REAL, 123.45 )
# Get the DPI parameter 0x93, Instance 3, Attribute 9 Output_Current attribute, interpreted
# as INT. 1 element. Providing named CIP types shucks the dictionary container, and
# produces just the target typed data:
get = ( "@0x93/140/10", "INT" )
value, = pf.read( [ get] )
print( "Accel_Time_1: %15s: %r" % ( get[0], value ))
assert len( value ) == 1 and value[0] == 567
get = ( "@1/1", [ "INT", "INT", "INT", "INT", "INT", "DINT", "SSTRING", "USINT" ])
value, = pf.read( [ get] )
print( "Identity (all): %15s: %r" % ( get[0], value ))
assert value == [1, 14, 54, 2836, 12640, 7079450, u'PowerFlex/20-COMM-E', 255]
# TCPIP Object
get = ( "@0xF5/1", [
"DWORD", "DWORD", "DWORD", "EPATH",
"IPADDR", "IPADDR", "IPADDR", "IPADDR", "IPADDR", "STRING",
"STRING"
])
value, = pf.read( [ get] )
print( "TCPIP (all): %15s: %r" % ( get[0], value ))
assert value == [2, 48, 16, [{'class': 246}, {'instance': 1}], '10.0.0.4', '255.255.252.0', '10.0.0.1', '10.0.0.1', '8.8.8.8', u'example.com', u'powerflex']
# List Identity
ident = pf.list_identity()
assert ident.sin_addr == "10.0.0.4"
except Exception as exc:
logging.warning( "Test terminated with exception: %s", exc )
raise
def test_hart_simple(simulated_hart_gateway):
# No Multiple Service Packet supported by HART I/O Card simulator
command, address = simulated_hart_gateway
#address = ("127.0.0.1", 44818)
#address = ("100.100.102.10", 44818)
route_path = None
route_path = [{'link': 2, 'port': 1}]
try:
assert address, "Unable to detect HART EtherNet/IP CIP Gateway IP address"
hio = client.connector(host=address[0], port=address[1])
# Establish an Implicit EtherNet/IP CIP connection using Forward Open
#hio = client.implicit( host=address[0], port=address[1], connection_path=None )
PV = 1.23
operations = [
{
"method": "service_code",
"code": HART.RD_VAR_REQ,
"data": [], # No payload
"data_size":
4 + 36, # Known response size: command,status,<payload>
"path": '@0x%X/8' %
(HART.class_id), # Instance 1-8 ==> HART Channel 0-7
},
'HART_7_Data.PV = (REAL)0', # would fail 'til first HART Read Dynamic Variable is done
{
"method": "service_code",
"code": HART.RD_VAR_REQ,
"data": [], # No payload
"data_size":
4 + 36, # Known response size: command,status,<payload>
"path": '@0x%X/8' %
(HART.class_id), # Instance 1-8 ==> HART Channel 0-7
},
'HART_7_Data.PV = (REAL)%s' % PV,
{
"method": "service_code",
"code": HART.RD_VAR_REQ,
"data": [], # No payload
"data_size":
4 + 36, # Known response size: command,status,<payload>
"path": '@0x%X/8' %
(HART.class_id), # Instance 1-8 ==> HART Channel 0-7
},
]
# Now, use the underlying client.connector to issue a HART "Read Dynamic Variable" Service Code
simout = ''
with hio:
results = []
failures = 0
for idx, dsc, req, rpy, sts, val in hio.pipeline(
operations=client.parse_operations(operations,
route_path=route_path),
**hart_kwds):
log.normal("Client %s: %s --> %r: %s", hio, dsc, val,
enip.enip_format(rpy))
if not val:
log.warning(
"Client %s harvested %d/%d results; failed request: %s",
hio, len(results), len(operations), rpy)
failures += 1
results.append((dsc, val, rpy))
rpylast = results[-1][-1]
assert failures in (0, 1)
assert near(rpylast.read_var.PV, PV)
except Exception as exc:
log.warning("Test terminated with exception: %s", exc)
raise
