Implementation of NetShrVarInterface class. More...

#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <string>
#include <vector>
#include <map>
#include <list>
#include <stdexcept>
#include <sstream>
#include <fstream>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <limits>
#include <cvirte.h>
#include <userint.h>
#include <cvinetv.h>
#include <shareLib.h>
#include <macLib.h>
#include <epicsGuard.h>
#include <epicsString.h>
#include <errlog.h>
#include <cantProceed.h>
#include <epicsTime.h>
#include <alarm.h>
#include "pugixml.hpp"
#include "asynPortDriver.h"
#include <epicsExport.h>
#include "NetShrVarInterface.h"
#include "cnvconvert.h"

Classes
struct	lv_timestamp

class	NetShrVarException
	An STL exception object encapsulating a shared variable error message. More...

class	ScopedCNVData
	A CNVData item that automatically "disposes" itself. More...

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

struct	CallbackData
	Stores information to be passed back via a shared variable callback on a subscriber connection. More...

Macros
#define	MAX_PATH_LEN 256

#define	ERROR_CHECK(__func, __code)

#define	ERROR_PRINT_CONTINUE(__func, __code)

Functions
static const char *	connectionStatus (CNVConnectionStatus status)
	connection status of a network shared variable More...

static void CVICALLBACK	DataCallback (void handle, CNVData data, void callbackData)
	called when new data is available on a subscriber connection More...

static void CVICALLBACK	StatusCallback (void handle, CNVConnectionStatus status, int error, void callbackData)
	called when status of a network shared variable changes More...

static void CVICALLBACK	DataTransferredCallback (void handle, int error, void callbackData)
	called when data has been transferred to the variable More...

static const char *	getBrowseType (CNVBrowseType browseType)

static std::string	dataQuality (CNVDataQuality quality)
	the quality of the data in a network shared variable More...

static void	convertLabviewTimeToEpicsTime (const uint64_t lv_time, epicsTimeStamp epicsTS)

static void	initCV (void *)

Variables
static const char *	driverName ="NetShrVarInterface"
	Name of driver for use in message printing. More...

static epicsThreadOnceId	onceId = EPICS_THREAD_ONCE_INIT

Detailed Description

Implementation of NetShrVarInterface class.

Author: Freddie Akeroyd, STFC ISIS Facility, GB

Definition in file NetShrVarInterface.cpp.

Macro Definition Documentation

#define ERROR_CHECK	(	__func,
		__code
	)

Value:

if (__code < 0) \
        { \
            throw NetShrVarException(__func, __code); \
        }

Definition at line 79 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars(), ScopedCNVData::dispose(), NetShrVarInterface::pathExists(), NetShrVarInterface::readArrayValue(), NetShrVarInterface::readValue(), NetShrVarInterface::readVarInit(), NvItem::report(), NetShrVarInterface::setArrayValue(), NetShrVarInterface::setValue(), NetShrVarInterface::setValueCNV(), NetShrVarInterface::updateParamCNV(), NetShrVarInterface::updateParamCNVImpl(), and NetShrVarInterface::varExists().

#define ERROR_PRINT_CONTINUE	(	__func,
		__code
	)

Value:

if (__code < 0) \
        { \
            std::cerr << NetShrVarException::ni_message(__func, __code); \
                continue; \
        }

Definition at line 85 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::connectVars().

#define MAX_PATH_LEN 256

Definition at line 57 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::getParams(), and NetShrVarInterface::nParams().

Function Documentation

static const char* connectionStatus ( CNVConnectionStatus status )

static

connection status of a network shared variable

Definition at line 93 of file NetShrVarInterface.cpp.

Referenced by NvItem::report(), and NetShrVarInterface::statusCallback().

static void convertLabviewTimeToEpicsTime	(	const uint64_t *	lv_time,
		epicsTimeStamp *	epicsTS
	)

static

Definition at line 638 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::updateParamArrayValue().

static void CVICALLBACK DataCallback	(	void *	handle,
		CNVData	data,
		void *	callbackData
	)

static

called when new data is available on a subscriber connection

Definition at line 517 of file NetShrVarInterface.cpp.

References NetShrVarInterface::dataCallback(), and CallbackData::intf.

Referenced by NetShrVarInterface::connectVars().

static std::string dataQuality ( CNVDataQuality quality )

static

the quality of the data in a network shared variable

Definition at line 478 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::updateParamCNV().

static void CVICALLBACK DataTransferredCallback	(	void *	handle,
		int	error,
		void *	callbackData
	)

static

called when data has been transferred to the variable

Definition at line 496 of file NetShrVarInterface.cpp.

References NetShrVarInterface::dataTransferredCallback(), and CallbackData::intf.

Referenced by NetShrVarInterface::connectVars().

static const char* getBrowseType ( CNVBrowseType browseType )

static

Definition at line 264 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::pathExists().

static void initCV ( void * )

static

Definition at line 1093 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::NetShrVarInterface().

static void CVICALLBACK StatusCallback	(	void *	handle,
		CNVConnectionStatus	status,
		int	error,
		void *	callbackData
	)

static

called when status of a network shared variable changes

Definition at line 1067 of file NetShrVarInterface.cpp.

References CallbackData::intf, and NetShrVarInterface::statusCallback().

Referenced by NetShrVarInterface::connectVars().

Variable Documentation

const char* driverName ="NetShrVarInterface"

static

Name of driver for use in message printing.

Definition at line 59 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::initAsynParamIds().

epicsThreadOnceId onceId = EPICS_THREAD_ONCE_INIT

static

Definition at line 1091 of file NetShrVarInterface.cpp.

Referenced by NetShrVarInterface::NetShrVarInterface().

Classes

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

Function Documentation

Variable Documentation