itk::opc::Client Class Reference

OPC Client to communicate with OPC Server. More...

#include <client.hpp>

Classes
struct	Factory

Public Member Functions
virtual	~Client ()=default
	Default destructor.
virtual bool	connect (std::string connstr)=0
	Connect to DCS using the connection string. More...
virtual bool	disconnect ()=0
	Disconnect from DCS. More...
virtual std::vector< NodeId >	get_nodes ()=0
	Get node objects available in DSC. More...
virtual Variant	get_value (NodeId &nodeid)=0
virtual bool	set_value (NodeId &nodeid, Variant value)=0

Detailed Description

OPC Client to communicate with OPC Server.

Member Function Documentation

connect()

virtual bool itk::opc::Client::connect ( std::string  connstr )

pure virtual

Connect to DCS using the connection string.

Parameters

connstr

the connection string required to connect to DCS

Returns

true if connected, otherwie false

disconnect()

virtual bool itk::opc::Client::disconnect ( )

pure virtual

Disconnect from DCS.

Returns

true if disconnected, otherwie false

get_nodes()

virtual std::vector<NodeId> itk::opc::Client::get_nodes ( )

pure virtual

Get node objects available in DSC.

Returns

vector of NodeId objects

get_value()

virtual Variant itk::opc::Client::get_value ( NodeId &  nodeid )

pure virtual

Retrieve the value of a node by nodeid.

Parameters

nodeid

the NodeId object

Returns

the Variant value of the node

set_value()

virtual bool itk::opc::Client::set_value ( NodeId &  nodeid, Variant  value  )

pure virtual

Store the value to the node provided by nodeid

Parameters

nodeid	the NodeId of the node
value	the Variant value of the node

Returns

true if stored, otherwie false

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

• itksw/opc/client.hpp