本文整理汇总了Python中opcua.Server.create_subscription方法的典型用法代码示例。如果您正苦于以下问题：Python Server.create_subscription方法的具体用法？Python Server.create_subscription怎么用？Python Server.create_subscription使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类opcua.Server的用法示例。
在下文中一共展示了Server.create_subscription方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: print
# 需要导入模块: from opcua import Server [as 别名]
# 或者: from opcua.Server import create_subscription [as 别名]
myfolder = objects.add_folder(idx, "myfolder")
myobj = objects.add_object(idx, "NewObject")
myvar = myobj.add_variable(idx, "MyVariable", 6.7)
myarrayvar = myobj.add_variable(idx, "myarrayvar", [6.7, 7.9])
myprop = myobj.add_property(idx, "myproperty", "I am a property")
mymethod = myobj.add_method(idx, "mymethod", func, [ua.VariantType.Int64], [ua.VariantType.Boolean])
multiply_node = myobj.add_method(
idx, "multiply", multiply, [ua.VariantType.Int64, ua.VariantType.Int64], [ua.VariantType.Int64]
)
# creating an event object
# The event object automatically will have members for all events properties
myevent = server.get_event_object(ObjectIds.BaseEventType)
myevent.Message.Text = "This is my event"
myevent.Severity = 300
# starting!
server.start()
print("Available loggers are: ", logging.Logger.manager.loggerDict.keys())
try:
handler = SubHandler()
# enable following if you want to subscribe to nodes on server side
sub = server.create_subscription(500, handler)
handle = sub.subscribe_data_change(myvar)
# trigger event, all subscribed clients wil receive it
myevent.trigger()
embed()
finally:
server.stop()