NvItem Struct Reference

details about a network shared variable we have connected to an asyn parameter More...

Public Types
enum	{   Read =0x1, Write =0x2, BufferedRead =0x4, BufferedWrite =0x8,   SingleRead =0x10 }

Public Member Functions
	NvItem (const std::string &nv_name_, const char *type_, unsigned access_, int field_, const std::string &ts_param_, bool with_ts_)
void	report (const std::string &name, FILE *fp)
	helper for asyn driver report function More...
void	report (FILE *fp, const char *conn_type, void *handle, bool buffered)

Public Attributes
enum NvItem:: { ... }	NvAccessMode
	possible access modes to network shared variable More...
std::string	nv_name
	full path to network shared variable More...
std::string	type
	type as specified in the XML file e.g. float64array More...
unsigned	access
	combination of NvAccessMode More...
int	field
	if we refer to a struct, this is the index of the field (starting at 0), otherwise it is -1 More...
int	id
	asyn parameter id, -1 if not assigned More...
std::string	ts_param
	parameter that is timestamp source More...
bool	with_ts
	timestamp is encoded in first few array elements More...
bool	connected_alarm
std::vector< char >	array_data
	only used for array parameters, contains cached copy of data as this is not stored in usual asyn parameter map More...
CNVSubscriber	subscriber
CNVBufferedSubscriber	b_subscriber
CNVWriter	writer
CNVReader	reader
CNVBufferedWriter	b_writer
epicsTimeStamp	epicsTS
	timestamp of shared variable update More...

Detailed Description

details about a network shared variable we have connected to an asyn parameter

Definition at line 141 of file NetShrVarInterface.cpp.

Member Enumeration Documentation

anonymous enum

Enumerator
Read
Write
BufferedRead
BufferedWrite
SingleRead

Definition at line 143 of file NetShrVarInterface.cpp.

Constructor & Destructor Documentation

NvItem::NvItem ( const std::string &  nv_name_, const char *  type_, unsigned  access_, int  field_, const std::string &  ts_param_, bool  with_ts_  )

inline

Definition at line 159 of file NetShrVarInterface.cpp.

References epicsTS, and nv_name.

Member Function Documentation

void NvItem::report ( const std::string &  name, FILE *  fp  )

inline

helper for asyn driver report function

Definition at line 166 of file NetShrVarInterface.cpp.

References array_data, b_subscriber, b_writer, epicsTS, field, nv_name, reader, subscriber, type, and writer.

Referenced by NetShrVarInterface::report().

void NvItem::report ( FILE *  fp, const char *  conn_type, void *  handle, bool  buffered  )

inline

Definition at line 189 of file NetShrVarInterface.cpp.

References connectionStatus(), and ERROR_CHECK.

Member Data Documentation

unsigned NvItem::access

combination of NvAccessMode

Definition at line 146 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), NetShrVarInterface::readArrayValue(), NetShrVarInterface::readValue(), NetShrVarInterface::setValueCNV(), and NetShrVarInterface::updateValues().

std::vector<char> NvItem::array_data

only used for array parameters, contains cached copy of data as this is not stored in usual asyn parameter map

Definition at line 152 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::readArrayValue(), and report().

CNVBufferedSubscriber NvItem::b_subscriber

Definition at line 154 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), report(), and NetShrVarInterface::updateValues().

CNVBufferedWriter NvItem::b_writer

Definition at line 157 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), report(), and NetShrVarInterface::setValueCNV().

bool NvItem::connected_alarm

Definition at line 151 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars().

epicsTimeStamp NvItem::epicsTS

timestamp of shared variable update

Definition at line 158 of file NetShrVarInterface.cpp.

Referenced by NvItem(), and report().

int NvItem::field

if we refer to a struct, this is the index of the field (starting at 0), otherwise it is -1

Definition at line 147 of file NetShrVarInterface.cpp.

Referenced by report(), NetShrVarInterface::setValueCNV(), and NetShrVarInterface::updateParamCNV().

int NvItem::id

asyn parameter id, -1 if not assigned

Definition at line 148 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), NetShrVarInterface::initAsynParamIds(), NetShrVarInterface::readArrayValue(), NetShrVarInterface::readValue(), NetShrVarInterface::readVarInit(), NetShrVarInterface::updateParamCNV(), and NetShrVarInterface::updateValues().

std::string NvItem::nv_name

full path to network shared variable

Definition at line 144 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), NvItem(), NetShrVarInterface::readArrayValue(), NetShrVarInterface::readValue(), NetShrVarInterface::readVarInit(), report(), NetShrVarInterface::setValueCNV(), NetShrVarInterface::updateParamCNV(), and NetShrVarInterface::updateValues().

enum { ... } NvItem::NvAccessMode

possible access modes to network shared variable

CNVReader NvItem::reader

Definition at line 156 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), NetShrVarInterface::readArrayValue(), NetShrVarInterface::readValue(), report(), and NetShrVarInterface::setValueCNV().

CNVSubscriber NvItem::subscriber

Definition at line 153 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), and report().

std::string NvItem::ts_param

parameter that is timestamp source

Definition at line 149 of file NetShrVarInterface.cpp.

std::string NvItem::type

type as specified in the XML file e.g. float64array

Definition at line 145 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::initAsynParamIds(), report(), and NetShrVarInterface::updateParamCNV().

bool NvItem::with_ts

timestamp is encoded in first few array elements

Definition at line 150 of file NetShrVarInterface.cpp.

CNVWriter NvItem::writer

Definition at line 155 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), report(), and NetShrVarInterface::setValueCNV().

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

• NetShrVarApp/src/NetShrVarInterface.cpp