def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditProgramTransitionEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.AuditProgramTransitionEventType)
self.add_property('TransitionNumber', None, ua.VariantType.UInt32)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditUpdateStateEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditUpdateStateEventType)
self.add_property('OldStateId', None, ua.VariantType.Variant)
self.add_property('NewStateId', None, ua.VariantType.Variant)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditUrlMismatchEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditUrlMismatchEventType)
self.add_property('EndpointUrl', None, ua.VariantType.String)
def __init__(self, sourcenode=None, message=None, severity=1):
super(SystemEvent, self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.SystemEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(BaseModelChangeEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.BaseModelChangeEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditCertificateMismatchEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.AuditCertificateMismatchEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditAddNodesEvent, self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditAddNodesEventType)
self.add_property('NodesToAdd', None,
ua.NodeId(ua.ObjectIds.AddNodesItem))
def __init__(self, sourcenode=None, message=None, severity=1):
super(KeyCredentialDeletedAuditEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.KeyCredentialDeletedAuditEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditChannelEvent, self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditChannelEventType)
self.add_property('SecureChannelId', None, ua.VariantType.String)
def __init__(self, sourcenode=None, message=None, severity=1):
super(RoleMappingRuleChangedAuditEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.RoleMappingRuleChangedAuditEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(KeyCredentialAuditEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.KeyCredentialAuditEventType)
self.add_property('ResourceUri', None, ua.VariantType.String)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditConditionOutOfServiceEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.AuditConditionOutOfServiceEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(PubSubCommunicationFailureEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(
ua.ObjectIds.PubSubCommunicationFailureEventType)
self.add_property('Error', None, ua.VariantType.StatusCode)
def __init__(self, sourcenode=None, message=None, severity=1):
super(TrustListUpdatedAuditEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.TrustListUpdatedAuditEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditCancelEvent, self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditCancelEventType)
self.add_property('RequestHandle', None, ua.VariantType.UInt32)
def _instantiate_node(server, parentid, rdesc, nodeid, bname, recursive=True):
"""
instantiate a node type under parent
"""
node_type = Node(server, rdesc.NodeId)
refs = node_type.get_referenced_nodes(refs=ua.ObjectIds.HasModellingRule)
# skip optional elements
if len(refs) == 1 and refs[0].nodeid == ua.NodeId(
ua.ObjectIds.ModellingRule_Optional):
return []
addnode = ua.AddNodesItem()
addnode.RequestedNewNodeId = nodeid
addnode.BrowseName = bname
addnode.ParentNodeId = parentid
addnode.ReferenceTypeId = rdesc.ReferenceTypeId
addnode.TypeDefinition = rdesc.TypeDefinition
if rdesc.NodeClass in (ua.NodeClass.Object, ua.NodeClass.ObjectType):
addnode.NodeClass = ua.NodeClass.Object
_read_and_copy_attrs(node_type, ua.ObjectAttributes(), addnode)
elif rdesc.NodeClass in (ua.NodeClass.Variable, ua.NodeClass.VariableType):
addnode.NodeClass = ua.NodeClass.Variable
_read_and_copy_attrs(node_type, ua.VariableAttributes(), addnode)
elif rdesc.NodeClass in (ua.NodeClass.Method, ):
addnode.NodeClass = ua.NodeClass.Method
_read_and_copy_attrs(node_type, ua.MethodAttributes(), addnode)
else:
print("Instantiate: Node class not supported: ", rdesc.NodeClass)
return
res = server.add_nodes([addnode])[0]
added_nodes = [res.AddedNodeId]
if recursive:
parents = ua_utils.get_node_supertypes(node_type, includeitself=True)
node = Node(server, res.AddedNodeId)
for parent in parents:
descs = parent.get_children_descriptions(includesubtypes=False)
for c_rdesc in descs:
# skip items that already exists, prefer the 'lowest' one in object hierarchy
if not ua_utils.is_child_present(node, c_rdesc.BrowseName):
# if root node being instantiated has a String NodeId, create the children with a String NodeId
if res.AddedNodeId.NodeIdType is ua.NodeIdType.String:
inst_nodeid = res.AddedNodeId.Identifier + "." + c_rdesc.BrowseName.Name
nodeids = _instantiate_node(
server,
res.AddedNodeId,
c_rdesc,
nodeid=ua.NodeId(
identifier=inst_nodeid,
namespaceidx=res.AddedNodeId.NamespaceIndex),
bname=c_rdesc.BrowseName)
else:
nodeids = _instantiate_node(
server,
res.AddedNodeId,
c_rdesc,
nodeid=ua.NodeId(
namespaceidx=res.AddedNodeId.NamespaceIndex),
bname=c_rdesc.BrowseName)
added_nodes.extend(nodeids)
return added_nodes
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditCertificateEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditCertificateEventType)
self.add_property('Certificate', None, ua.VariantType.ByteString)
def test_root(self):
root = self.opc.get_root_node()
self.assertEqual(ua.QualifiedName('Root', 0), root.get_browse_name())
self.assertEqual(ua.LocalizedText('Root'), root.get_display_name())
nid = ua.NodeId(84, 0)
self.assertEqual(nid, root.nodeid)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditNodeManagementEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditNodeManagementEventType)
def test_objects(self):
objects = self.opc.get_objects_node()
self.assertEqual(ua.QualifiedName('Objects', 0), objects.get_browse_name())
nid = ua.NodeId(85, 0)
self.assertEqual(nid, objects.nodeid)
def __init__(self, sourcenode=None, message=None, severity=1):
super(AuditDeleteReferencesEvent,
self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.AuditDeleteReferencesEventType)
self.add_property('ReferencesToDelete', None,
ua.NodeId(ua.ObjectIds.DeleteReferencesItem))
def test_get_node_by_nodeid(self):
root = self.opc.get_root_node()
server_time_node = root.get_child(['0:Objects', '0:Server', '0:ServerStatus', '0:CurrentTime'])
correct = self.opc.get_node(ua.NodeId(ua.ObjectIds.Server_ServerStatus_CurrentTime))
self.assertEqual(server_time_node, correct)
def __init__(self, sourcenode=None, message=None, severity=1):
super(DeviceFailureEvent, self).__init__(sourcenode, message, severity)
self.EventType = ua.NodeId(ua.ObjectIds.DeviceFailureEventType)
def test_datetime_read(self):
time_node = self.opc.get_node(ua.NodeId(ua.ObjectIds.Server_ServerStatus_CurrentTime))
dt = time_node.get_value()
utcnow = datetime.utcnow()
delta = utcnow - dt
self.assertTrue(delta < timedelta(seconds=1))
def __init__(self, sourcenode=None, message=None, severity=1):
super(GeneralModelChangeEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.GeneralModelChangeEventType)
self.add_property('Changes', None,
ua.NodeId(ua.ObjectIds.ModelChangeStructureDataType))
def test_read_server_state(self):
statenode = self.opc.get_node(ua.NodeId(ua.ObjectIds.Server_ServerStatus_State))
state = statenode.get_value()
self.assertEqual(state, 0)
def __init__(self, sourcenode=None, message=None, severity=1):
super(ProgramTransitionEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.ProgramTransitionEventType)
def getVariables():
variables = []
status = 0
try:
clientBGS.connect()
listNodeStations = []
listNodeStation1 = [
["1_Loading_BGLP.Software PLC_1.ProcessData_DB.Filling_Height_max.State", 6],
["1_Loading_BGLP.Software PLC_1.ProcessData_DB.Filling_Height_min.State", 6],
["1_Loading_BGLP.Software PLC_1.ProcessData_DB.Overflow.State", 6],
["1_Loading_BGLP.Software PLC_1.ProcessData_DB.Emergency", 6],
["1_Loading_BGLP.Software PLC_1.ProcessData_DB.Belt_Conveyor_ON/OFF", 6],
["1_Loading_BGLP.Software PLC_1.HealthSignal_DB.HealthCondition", 6]
]
listNodeStation2 = [
["ET 200SP-Station_3.2_Storage_BGLP.ProcessData_DB.Filling_Height_max.State", 6],
["ET 200SP-Station_3.2_Storage_BGLP.ProcessData_DB.Filling_Height_min.State", 6],
["ET 200SP-Station_3.2_Storage_BGLP.ProcessData_DB.Overflow.State", 6],
["ET 200SP-Station_3.2_Storage_BGLP.ProcessData_DB.Emergency", 6],
["ET 200SP-Station_3.2_Storage_BGLP.ProcessData_DB.Pressure_Average", 6],
["ET 200SP-Station_3.2_Storage_BGLP.HealthSignal_DB.HealthCondition", 6]
]
listNodeStation3 = [
["ET 200SP-Station_1.3_Weighing_BGLP.ProcessData_DB.Filling_Height_max.State", 6],
["ET 200SP-Station_1.3_Weighing_BGLP.ProcessData_DB.Filling_Height_min.State", 6],
["ET 200SP-Station_1.3_Weighing_BGLP.ProcessData_DB.Overflow.State", 6],
["ET 200SP-Station_1.3_Weighing_BGLP.ProcessData_DB.Emergency", 6],
["ET 200SP-Station_1.3_Weighing_BGLP.ProcessData_DB.Pressure_Average", 6],
["ET 200SP-Station_1.3_Weighing_BGLP.HealthSignal_DB.HealthCondition", 6]
]
listNodeStation4 = [
["ET 200SP-Station_4.4_Filling_BGLP.ProcessData_DB.Container_available.State", 6],
["ET 200SP-Station_4.4_Filling_BGLP.MachineCondition.RFID", 6],
["ET 200SP-Station_4.4_Filling_BGLP.ProcessData_DB.Emergency", 6],
["ET 200SP-Station_4.4_Filling_BGLP.MachineCondition.Pressure_Sensor", 6],
["ET 200SP-Station_4.4_Filling_BGLP.HealthSignal_DB.HealthCondition", 6]
]
listNodeStations.append(listNodeStation1)
listNodeStations.append(listNodeStation2)
listNodeStations.append(listNodeStation3)
listNodeStations.append(listNodeStation4)
for x in listNodeStations:
for y in x:
variables.append(float(clientBGS.get_node(
ua.NodeId(y[0], int(y[1]))).get_value()))
clientBGS.disconnect()
""" Storing the variables"""
fillingHeightMaxS1 = variables[0]
fillingHeightMinS1 = variables[1]
overflowS1 = variables[2]
emergencyS1 = variables[3]
motorSpeedS1 = variables[4]
healthConditionS1 = variables[5]
fillingHeightMaxS2 = variables[6]
fillingHeightMinS2 = variables[7]
overflowS2 = variables[8]
emergencyS2 = variables[9]
pressureAvgS2 = variables[10]
healthConditionS2 = variables[11]
fillingHeightMaxS3 = variables[12]
fillingHeightMinS3 = variables[13]
overflowS3 = variables[14]
emergencyS3 = variables[15]
pressureAvgS3 = variables[16]
healthConditionS3 = variables[17]
containerAvailS4 = variables[18]
RFIDS4 = variables[19]
emergencyS4 = variables[20]
pressureAvgS4 = variables[21]
healthConditionS4 = variables[22]
status = 1
return fillingHeightMaxS1, fillingHeightMinS1, overflowS1, emergencyS1, motorSpeedS1, healthConditionS1, fillingHeightMaxS2, fillingHeightMinS2, overflowS2, emergencyS2, pressureAvgS2, healthConditionS2, fillingHeightMaxS3, fillingHeightMinS3, overflowS3, emergencyS3, pressureAvgS3, healthConditionS3, containerAvailS4, RFIDS4, emergencyS4, pressureAvgS4, healthConditionS4
except Exception as e:
print("Unable to retrieve variables")
status = 0
return status
def __init__(self, sourcenode=None, message=None, severity=1):
super(RefreshRequiredEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.RefreshRequiredEventType)
def __init__(self, sourcenode=None, message=None, severity=1):
super(SystemStatusChangeEvent, self).__init__(sourcenode, message,
severity)
self.EventType = ua.NodeId(ua.ObjectIds.SystemStatusChangeEventType)
self.add_property('SystemState', None,
ua.NodeId(ua.ObjectIds.ServerState))
