opcua.client.ua_client.UaClient Class Reference

Inheritance diagram for opcua.client.ua_client.UaClient:

Public Member Functions
def	__init__ (self, timeout=1)
def	activate_session (self, parameters)
def	add_nodes (self, nodestoadd)
def	browse (self, parameters)
def	call (self, methodstocall)
def	close_secure_channel (self)
def	close_session (self, deletesubscriptions)
def	connect_socket (self, host, port)
def	create_monitored_items (self, params)
def	create_session (self, parameters)
def	create_subscription (self, params, callback)
def	delete_monitored_items (self, params)
def	delete_nodes (self, params)
def	delete_subscriptions (self, subscriptionids)
def	disconnect_socket (self)
def	find_servers (self, params)
def	find_servers_on_network (self, params)
def	get_endpoints (self, params)
def	history_read (self, params)
def	modify_monitored_items (self, params)
def	open_secure_channel (self, params)
def	publish (self, acks=None)
def	read (self, parameters)
def	register_server (self, registered_server)
def	register_server2 (self, params)
def	send_hello (self, url)
def	set_security (self, policy)
def	translate_browsepaths_to_nodeids (self, browsepaths)
def	write (self, params)

Public Attributes
	logger

Private Member Functions
def	_call_publish_callback (self, future)
def	_create_subscription_callback (self, pub_callback, resp_fut, data_fut)
def	_delete_subscriptions_callback (self, subscriptionids, resp_fut, data_fut)

Private Attributes
	_publishcallbacks
	_security_policy
	_timeout
	_uasocket

Detailed Description

low level OPC-UA client.

It implements (almost) all methods defined in opcua spec
taking in argument the structures defined in opcua spec.

In this Python implementation  most of the structures are defined in
uaprotocol_auto.py and uaprotocol_hand.py available under opcua.ua

Definition at line 187 of file ua_client.py.

Constructor & Destructor Documentation

def opcua.client.ua_client.UaClient.__init__	(		self,
			timeout = 1
	)

Definition at line 199 of file ua_client.py.

Member Function Documentation

def opcua.client.ua_client.UaClient._call_publish_callback (   self,   future  )

private

Definition at line 415 of file ua_client.py.

def opcua.client.ua_client.UaClient._create_subscription_callback (   self,   pub_callback,   resp_fut,   data_fut  )

private

Definition at line 378 of file ua_client.py.

def opcua.client.ua_client.UaClient._delete_subscriptions_callback (   self,   subscriptionids,   resp_fut,   data_fut  )

private

Definition at line 396 of file ua_client.py.

def opcua.client.ua_client.UaClient.activate_session	(		self,
			parameters
	)

Definition at line 244 of file ua_client.py.

def opcua.client.ua_client.UaClient.add_nodes	(		self,
			nodestoadd
	)

Definition at line 487 of file ua_client.py.

def opcua.client.ua_client.UaClient.browse	(		self,
			parameters
	)

Definition at line 269 of file ua_client.py.

def opcua.client.ua_client.UaClient.call	(		self,
			methodstocall
	)

Definition at line 507 of file ua_client.py.

def opcua.client.ua_client.UaClient.close_secure_channel

(

self

)

close secure channel. It seems to trigger a shutdown of socket
in most servers, so be prepare to reconnect

Definition at line 226 of file ua_client.py.

def opcua.client.ua_client.UaClient.close_session	(		self,
			deletesubscriptions
	)

Definition at line 254 of file ua_client.py.

def opcua.client.ua_client.UaClient.connect_socket	(		self,
			host,
			port
	)

connect to server socket and start receiving thread

Definition at line 210 of file ua_client.py.

def opcua.client.ua_client.UaClient.create_monitored_items	(		self,
			params
	)

Definition at line 467 of file ua_client.py.

def opcua.client.ua_client.UaClient.create_session	(		self,
			parameters
	)

Definition at line 233 of file ua_client.py.

def opcua.client.ua_client.UaClient.create_subscription	(		self,
			params,
			callback
	)

Definition at line 369 of file ua_client.py.

def opcua.client.ua_client.UaClient.delete_monitored_items	(		self,
			params
	)

Definition at line 477 of file ua_client.py.

def opcua.client.ua_client.UaClient.delete_nodes	(		self,
			params
	)

Definition at line 497 of file ua_client.py.

def opcua.client.ua_client.UaClient.delete_subscriptions	(		self,
			subscriptionids
	)

Definition at line 387 of file ua_client.py.

def opcua.client.ua_client.UaClient.disconnect_socket

(

self

)

Definition at line 217 of file ua_client.py.

def opcua.client.ua_client.UaClient.find_servers	(		self,
			params
	)

Definition at line 319 of file ua_client.py.

def opcua.client.ua_client.UaClient.find_servers_on_network	(		self,
			params
	)

Definition at line 329 of file ua_client.py.

def opcua.client.ua_client.UaClient.get_endpoints	(		self,
			params
	)

Definition at line 309 of file ua_client.py.

def opcua.client.ua_client.UaClient.history_read	(		self,
			params
	)

Definition at line 516 of file ua_client.py.

def opcua.client.ua_client.UaClient.modify_monitored_items	(		self,
			params
	)

Definition at line 526 of file ua_client.py.

def opcua.client.ua_client.UaClient.open_secure_channel	(		self,
			params
	)

Definition at line 223 of file ua_client.py.

def opcua.client.ua_client.UaClient.publish	(		self,
			acks = None
	)

Definition at line 406 of file ua_client.py.

def opcua.client.ua_client.UaClient.read	(		self,
			parameters
	)

Definition at line 279 of file ua_client.py.

def opcua.client.ua_client.UaClient.register_server	(		self,
			registered_server
	)

Definition at line 339 of file ua_client.py.

def opcua.client.ua_client.UaClient.register_server2	(		self,
			params
	)

Definition at line 349 of file ua_client.py.

def opcua.client.ua_client.UaClient.send_hello	(		self,
			url
	)

Definition at line 220 of file ua_client.py.

def opcua.client.ua_client.UaClient.set_security	(		self,
			policy
	)

Definition at line 207 of file ua_client.py.

def opcua.client.ua_client.UaClient.translate_browsepaths_to_nodeids	(		self,
			browsepaths
	)

Definition at line 359 of file ua_client.py.

def opcua.client.ua_client.UaClient.write	(		self,
			params
	)

Definition at line 299 of file ua_client.py.

Member Data Documentation

opcua.client.ua_client.UaClient._publishcallbacks

private

Definition at line 202 of file ua_client.py.

opcua.client.ua_client.UaClient._security_policy

private

Definition at line 205 of file ua_client.py.

opcua.client.ua_client.UaClient._timeout

private

Definition at line 203 of file ua_client.py.

opcua.client.ua_client.UaClient._uasocket

private

Definition at line 204 of file ua_client.py.

opcua.client.ua_client.UaClient.logger

Definition at line 200 of file ua_client.py.

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The documentation for this class was generated from the following file:

• ua_client.py