opcua.ua.uaprotocol_hand.SecureConnection Class Reference

Inheritance diagram for opcua.ua.uaprotocol_hand.SecureConnection:

Public Member Functions
def	__init__ (self, security_policy)
def	close (self)
def	is_open (self)
def	message_to_binary (self, message, message_type=MessageType.SecureMessage, request_id=0, algohdr=None)
def	open (self, params, server)
def	receive_from_header_and_body (self, header, body)
def	receive_from_socket (self, socket)
def	select_policy (self, uri, peer_certificate, mode=None)
def	set_channel (self, channel)
def	set_policy_factories (self, policies)
def	tcp_to_binary (self, message_type, message)

Public Attributes
	channel

Private Member Functions
def	_check_incoming_chunk (self, chunk)
def	_receive (self, msg)

Static Private Member Functions
def	_policy_matches (policy, uri, mode=None)

Private Attributes
	_incoming_parts
	_max_chunk_size
	_old_tokens
	_open
	_peer_sequence_number
	_policies
	_security_policy
	_sequence_number

Detailed Description

Common logic for client and server

Definition at line 483 of file uaprotocol_hand.py.

Constructor & Destructor Documentation

def opcua.ua.uaprotocol_hand.SecureConnection.__init__	(		self,
			security_policy
	)

Definition at line 488 of file uaprotocol_hand.py.

Member Function Documentation

def opcua.ua.uaprotocol_hand.SecureConnection._check_incoming_chunk (   self,   chunk  )

private

Definition at line 584 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection._policy_matches (   policy,   uri,   mode = None  )

staticprivate

Definition at line 538 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection._receive (   self,   msg  )

private

Definition at line 672 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.close

(

self

)

Definition at line 524 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.is_open

(

self

)

Definition at line 527 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.message_to_binary	(		self,
			message,
			message_type = MessageType.SecureMessage,
			request_id = 0,
			algohdr = None
	)

Convert OPC UA secure message to binary.
The only supported types are SecureOpen, SecureMessage, SecureClose
if message_type is SecureMessage, the AlgoritmHeader should be passed as arg

Definition at line 560 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.open	(		self,
			params,
			server
	)

called on server side to open secure channel

Definition at line 505 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.receive_from_header_and_body	(		self,
			header,
			body
	)

Convert MessageHeader and binary body to OPC UA TCP message (see OPC UA
specs Part 6, 7.1: Hello, Acknowledge or ErrorMessage), or a Message
object, or None (if intermediate chunk is received)

Definition at line 626 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.receive_from_socket	(		self,
			socket
	)

Convert binary stream to OPC UA TCP message (see OPC UA
specs Part 6, 7.1: Hello, Acknowledge or ErrorMessage), or a Message
object, or None (if intermediate chunk is received)

Definition at line 658 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.select_policy	(		self,
			uri,
			peer_certificate,
			mode = None
	)

Definition at line 541 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.set_channel	(		self,
			channel
	)

Called on client side when getting secure channel data from server

Definition at line 499 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.set_policy_factories	(		self,
			policies
	)

Set a list of available security policies.
Use this in servers with multiple endpoints with different security

Definition at line 530 of file uaprotocol_hand.py.

def opcua.ua.uaprotocol_hand.SecureConnection.tcp_to_binary	(		self,
			message_type,
			message
	)

Convert OPC UA TCP message (see OPC UA specs Part 6, 7.1) to binary.
The only supported types are Hello, Acknowledge and ErrorMessage

Definition at line 550 of file uaprotocol_hand.py.

Member Data Documentation

opcua.ua.uaprotocol_hand.SecureConnection._incoming_parts

private

Definition at line 491 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._max_chunk_size

private

Definition at line 497 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._old_tokens

private

Definition at line 495 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._open

private

Definition at line 496 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._peer_sequence_number

private

Definition at line 490 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._policies

private

Definition at line 493 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._security_policy

private

Definition at line 492 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection._sequence_number

private

Definition at line 489 of file uaprotocol_hand.py.

opcua.ua.uaprotocol_hand.SecureConnection.channel

Definition at line 494 of file uaprotocol_hand.py.

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

• uaprotocol_hand.py