def server():
s = Server()
s.set_endpoint('opc.tcp://0.0.0.0:8840/freeopcua/server/')
uri = "http://examples.freeopcua.github.io"
idx = s.register_namespace(uri)
myobj = s.nodes.objects.add_object(idx, "MyObject")
myvar = myobj.add_variable(idx, "MyVariable", 6.7)
mysin = myobj.add_variable(idx, "MySin", 0, ua.VariantType.Float)
s.start()
yield s
s.stop()
def server(tloop):
s = Server(tloop=tloop)
s.disable_clock(True)
s.set_endpoint('opc.tcp://0.0.0.0:8840/freeopcua/server/')
uri = "http://examples.freeopcua.github.io"
ns_idx = s.register_namespace(uri)
myobj = s.nodes.objects.add_object(ns_idx, "MyObject")
myobj.add_variable(ns_idx, "MyVariable", 6.7)
myobj.add_variable(ns_idx, "MySin", 0, ua.VariantType.Float)
s.nodes.objects.add_method(ns_idx, "Divide", divide, [ua.VariantType.Float, ua.VariantType.Float], [ua.VariantType.Float])
with s:
yield s
# now setup our server
server = Server(tloop=tloop)
#server.disable_clock()
#server.set_endpoint("opc.tcp://localhost:4840/freeopcua/server/")
server.set_endpoint("opc.tcp://0.0.0.0:4840/freeopcua/server/")
server.set_server_name("FreeOpcUa Example Server")
# set all possible endpoint policies for clients to connect through
server.set_security_policy([
ua.SecurityPolicyType.NoSecurity,
ua.SecurityPolicyType.Basic256Sha256_SignAndEncrypt,
ua.SecurityPolicyType.Basic256Sha256_Sign
])
# setup our own namespace
uri = "http://examples.freeopcua.github.io"
idx = server.register_namespace(uri)
print("IDX", idx)
# create a new node type we can instantiate in our address space
dev = server.nodes.base_object_type.add_object_type(idx, "MyDevice")
dev.add_variable(idx, "sensor1", 1.0).set_modelling_rule(True)
dev.add_property(idx, "device_id", "0340").set_modelling_rule(True)
ctrl = dev.add_object(idx, "controller")
ctrl.set_modelling_rule(True)
ctrl.add_property(idx, "state", "Idle").set_modelling_rule(True)
# populating our address space
# First a folder to organise our nodes
myfolder = server.nodes.objects.add_folder(idx, "myEmptyFolder")
# instanciate one instance of our device
