def setUp(self):
# create a new ClientSettings instance and add the localhost to the URLs to discover
settings = ClientSettings()
settings.discoveryUrls.append(ARGS.demo_url)
settings.applicationName = "client"
settings.logToStdOutLevel = ARGS.loglevel
self.client = pyuaf.client.Client(settings)
self.serverUri = ARGS.demo_server_uri
demoNsUri = ARGS.demo_ns_uri
plcOpenNsUri = "http://PLCopen.org/OpcUa/IEC61131-3/"
# define some addresses
self.addresses = [ Address(NodeId("Demo.SimulationSpeed", demoNsUri), self.serverUri),
Address(NodeId("Demo.SimulationActive", demoNsUri), self.serverUri) ]
self.address_Method = Address(ExpandedNodeId("Demo.Method", demoNsUri, self.serverUri))
self.address_Multiply = Address(ExpandedNodeId("Demo.Method.Multiply", demoNsUri, self.serverUri))
self.address_Alarms = Address(ExpandedNodeId("AlarmsWithNodes", demoNsUri, self.serverUri))
readResult = self.client.read(self.addresses)
self.values = [readResult.targets[0].data, readResult.targets[1].data]
del self.client
self.client = pyuaf.client.Client(settings)
def setUp(self):
# create a new ClientSettings instance and add the localhost to the URLs to discover
settings = ClientSettings()
settings.discoveryUrls.append(ARGS.demo_url)
settings.applicationName = "client"
settings.logToStdOutLevel = ARGS.loglevel
self.client = pyuaf.client.Client(settings)
self.serverUri = ARGS.demo_server_uri
demoNsUri = ARGS.demo_ns_uri
plcOpenNsUri = "http://PLCopen.org/OpcUa/IEC61131-3/"
# define some addresses
self.addresses = [
Address(NodeId("Demo.SimulationSpeed", demoNsUri), self.serverUri),
Address(NodeId("Demo.SimulationActive", demoNsUri), self.serverUri),
]
self.address_Method = Address(ExpandedNodeId("Demo.Method", demoNsUri, self.serverUri))
self.address_Multiply = Address(ExpandedNodeId("Demo.Method.Multiply", demoNsUri, self.serverUri))
self.address_Alarms = Address(ExpandedNodeId("AlarmsWithNodes", demoNsUri, self.serverUri))
readResult = self.client.read(self.addresses)
self.values = [readResult.targets[0].data, readResult.targets[1].data]
del self.client
self.client = pyuaf.client.Client(settings)
from pyuaf.client.configs import BrowseConfig, SessionConfig
from pyuaf.util import Address, NodeId
from pyuaf.util import primitives
from pyuaf.util import opcuaidentifiers
from pyuaf.util.errors import UafError
# define the namespace URI and server URI of the UaServerCPP demo server
demoServerUri = "urn:UnifiedAutomation:UaServerCpp"
# define the address of the Root node which we would like to start browsing
rootNode = Address(NodeId(opcuaidentifiers.OpcUaId_RootFolder, 0),
demoServerUri)
# define the ClientSettings:
settings = ClientSettings()
settings.applicationName = "MyClient"
settings.discoveryUrls.append("opc.tcp://localhost:48010")
# create the client
myClient = Client(settings)
try:
print("")
print("First option: use the convenience function \"browse()\"")
print("===================================================")
# now browse the root node
# (notice that there is also an argument called 'maxAutoBrowseNext', which we don't mention
# here because we can leave it at the default value (100), to make sure that BrowseNext is
# automatically being called for us as much as needed!)
# (notice too that you can optionally provide a BrowseConfig and a SessionConfig for
data = readResult.targets[3].data # 'data' has type pyuaf.util.LocalizedText
if status.isGood() and isinstance(data, LocalizedText):
print("The locale is: '%s', the text is: '%s'" %(data.locale(), data.text()))
# target 4:
status = readResult.targets[4].status # 'status' has type pyuaf.util.Status
data = readResult.targets[4].data # 'data' is a list of pyuaf.util.primitives.SByte
if status.isGood() and isinstance(data, list):
print("The array is:")
for i in xrange(len(data)):
print(" - array[%d] = %d" %(i, data[i].value))
# define the ClientSettings:
settings = ClientSettings()
settings.applicationName = "MyClient"
settings.discoveryUrls.append("opc.tcp://localhost:4841")
# create the client
myClient = Client(settings)
# read the node attributes all at once
try:
print("")
print("First option: use the convenience function \"read()\"")
print("===================================================")
# OPTIONAL: You could also provide a ReadConfig to configure a call timeout,
# or maximum age of the values, or ...
