epics::pvaClient::PvaClientNTMultiData Class Reference

Provides NTMultiChannel data for both PvaClientNTMultiGet and PvaClientNTMultiMonitor. More...

#include "pvaClientMultiChannel.h"

Inheritance diagram for epics::pvaClient::PvaClientNTMultiData:

Collaboration diagram for epics::pvaClient::PvaClientNTMultiData:

Public Member Functions
	POINTER_DEFINITIONS (PvaClientNTMultiData)
	~PvaClientNTMultiData ()
size_t	getNumber ()
	Get the number of channels. More...
void	startDeltaTime ()
	Set the timeStamp base for computing deltaTimes. More...
void	endDeltaTime (bool valueOnly=true)
	Update NTMultiChannel fields. More...
epics::pvData::TimeStamp	getTimeStamp ()
	Get the time when the last get was made. More...
epics::nt::NTMultiChannelPtr	getNTMultiChannel ()
	Get the NTMultiChannel. More...
PvaClientNTMultiDataPtr	getPtrSelf ()
	Get the shared pointer to self. More...

Static Public Member Functions
static PvaClientNTMultiDataPtr	create (epics::pvData::UnionConstPtr const &u, PvaClientMultiChannelPtr const &pvaClientMultiChannel, PvaClientChannelArray const &pvaClientChannelArray, epics::pvData::PVStructurePtr const &pvRequest)
	Create a PvaClientNTMultiData. More...

Friends
class	PvaClientNTMultiGet
class	PvaClientNTMultiPut
class	PvaClientNTMultiMonitor

Detailed Description

Provides NTMultiChannel data for both PvaClientNTMultiGet and PvaClientNTMultiMonitor.

Definition at line 525 of file pvaClientMultiChannel.h.

Constructor & Destructor Documentation

epics::pvaClient::PvaClientNTMultiData::~PvaClientNTMultiData

(

)

Definition at line 82 of file pvaClientNTMultiData.cpp.

{
    if(PvaClient::getDebug()) cout<< "PvaClientNTMultiData::~PvaClientNTMultiData()\n";
}

Member Function Documentation

PvaClientNTMultiDataPtr epics::pvaClient::PvaClientNTMultiData::create ( epics::pvData::UnionConstPtr const &  u, PvaClientMultiChannelPtr const &  pvaClientMultiChannel, PvaClientChannelArray const &  pvaClientChannelArray, epics::pvData::PVStructurePtr const &  pvRequest  )

static

Create a PvaClientNTMultiData.

Normally only called by PvaClientNTMultiGet and PvaClientNTMultiMonitor.

Parameters

u	The union interface for the value field of each channel.
pvaClientMultiChannel	The interface to PvaClientMultiChannel.
pvaClientChannelArray	The PvaClientChannel array.
pvRequest	The pvRequest for each channel.

Definition at line 25 of file pvaClientNTMultiData.cpp.

{
    return PvaClientNTMultiDataPtr(
         new PvaClientNTMultiData(u,pvaMultiChannel,pvaClientChannelArray,pvRequest));
}

void epics::pvaClient::PvaClientNTMultiData::endDeltaTime

(

bool

valueOnly = true

)

Update NTMultiChannel fields.

Parameters

valueOnly

use only value for union.

Definition at line 124 of file pvaClientNTMultiData.cpp.

{
    for(size_t i=0; i<nchannel; ++i)
    {
        PVStructurePtr pvst = topPVStructure[i];
        if(!pvst) {
            unionValue[i] = PVUnionPtr();
        } else if(unionValue[i]) {
            if(valueOnly) {
                PVFieldPtr pvValue = pvst->getSubField("value");
                if(pvValue) {
                    unionValue[i]->set(pvst->getSubField("value"));
                } else {
                    unionValue[i] = PVUnionPtr();
                }
            } else {
                unionValue[i]->set(pvst);
            }
            if(gotAlarm)
            {
                PVIntPtr pvSeverity = pvst->getSubField<PVInt>("alarm.severity");
                PVIntPtr pvStatus = pvst->getSubField<PVInt>("alarm.status");
                PVStringPtr pvMessage = pvst->getSubField<PVString>("alarm.message");
                if(pvSeverity&&pvStatus&&pvMessage) {
                    severity[i] = pvSeverity->get();
                    status[i] = pvStatus->get();
                    message[i] = pvMessage->get();
                } else {
                    severity[i] = undefinedAlarm;
                    status[i] = undefinedStatus;
                    message[i] = "no alarm field";
                }
            }
            if(gotTimeStamp)
            {
                PVLongPtr pvEpoch = pvst->getSubField<PVLong>("timeStamp.secondsPastEpoch");
                PVIntPtr pvNano = pvst->getSubField<PVInt>("timeStamp.nanoseconds");
                PVIntPtr pvTag = pvst->getSubField<PVInt>("timeStamp.userTag");
                if(pvEpoch&&pvNano&&pvTag) {
                    secondsPastEpoch[i] = pvEpoch->get();
                    nanoseconds[i] = pvNano->get();
                    userTag[i] = pvTag->get();
                }
            }
        }
    }
}

NTMultiChannelPtr epics::pvaClient::PvaClientNTMultiData::getNTMultiChannel

(

)

Get the NTMultiChannel.

Returns

The value.

Definition at line 178 of file pvaClientNTMultiData.cpp.

{
    PVStructurePtr pvStructure = getPVDataCreate()->createPVStructure(ntMultiChannelStructure);
    NTMultiChannelPtr ntMultiChannel = NTMultiChannel::wrap(pvStructure);
    ntMultiChannel->getChannelName()->replace(pvaClientMultiChannel->getChannelNames());
    shared_vector<epics::pvData::PVUnionPtr> val(nchannel);
    for(size_t i=0; i<nchannel; ++i) val[i] = unionValue[i];
    ntMultiChannel->getValue()->replace(freeze(val));
    shared_vector<epics::pvData::boolean> connected = pvaClientMultiChannel->getIsConnected();
    shared_vector<epics::pvData::boolean> isConnected(nchannel);
    for(size_t i=0; i<nchannel; ++i) isConnected[i] = connected[i];
    ntMultiChannel->getIsConnected()->replace(freeze(isConnected));
    if(gotAlarm)
    {
        shared_vector<int32> sev(nchannel);
        for(size_t i=0; i<nchannel; ++i) sev[i] = severity[i];
        ntMultiChannel->getSeverity()->replace(freeze(sev));
        shared_vector<int32> sta(nchannel);
        for(size_t i=0; i<nchannel; ++i) sta[i] = status[i];
        ntMultiChannel->getStatus()->replace(freeze(sta));
        shared_vector<string> mes(nchannel);
        for(size_t i=0; i<nchannel; ++i) mes[i] = message[i];
        ntMultiChannel->getMessage()->replace(freeze(mes));
    }
    if(gotTimeStamp)
    {
        shared_vector<int64> sec(nchannel);
        for(size_t i=0; i<nchannel; ++i) sec[i] = secondsPastEpoch[i];
        ntMultiChannel->getSecondsPastEpoch()->replace(freeze(sec));
        shared_vector<int32> nano(nchannel);
        for(size_t i=0; i<nchannel; ++i) nano[i] = nanoseconds[i];
        ntMultiChannel->getNanoseconds()->replace(freeze(nano));
        shared_vector<int32> tag(nchannel);
        for(size_t i=0; i<nchannel; ++i) tag[i] = userTag[i];
        ntMultiChannel->getUserTag()->replace(freeze(tag));
    }
    return ntMultiChannel;
}

size_t epics::pvaClient::PvaClientNTMultiData::getNumber

(

)

Get the number of channels.

Returns

The number of channels.

Definition at line 94 of file pvaClientNTMultiData.cpp.

{
    return nchannel;
}

PvaClientNTMultiDataPtr epics::pvaClient::PvaClientNTMultiData::getPtrSelf ( )

inline

Get the shared pointer to self.

Returns

The shared pointer.

Definition at line 576 of file pvaClientMultiChannel.h.

    {
        return shared_from_this();
    }

TimeStamp epics::pvaClient::PvaClientNTMultiData::getTimeStamp

(

)

Get the time when the last get was made.

Returns

The timeStamp.

Definition at line 172 of file pvaClientNTMultiData.cpp.

{
    pvTimeStamp.get(timeStamp);
    return timeStamp;
}

epics::pvaClient::PvaClientNTMultiData::POINTER_DEFINITIONS

(

PvaClientNTMultiData

)

void epics::pvaClient::PvaClientNTMultiData::startDeltaTime

(

)

Set the timeStamp base for computing deltaTimes.

Definition at line 99 of file pvaClientNTMultiData.cpp.

{
    for(size_t i=0; i<nchannel; ++i)
    {
        topPVStructure[i] = PVStructurePtr();
        if(gotAlarm)
        {
            alarm.setSeverity(noAlarm);
            alarm.setStatus(noStatus);
            alarm.setMessage("");
            severity[i] = invalidAlarm;
            status[i] = undefinedStatus;
            message[i] = "not connected";
        }
        if(gotTimeStamp)
        {
            timeStamp.getCurrent();
            secondsPastEpoch[i] = 0;
            nanoseconds[i] = 0;
            userTag[i] = 0;
        }
    }
}

Friends And Related Function Documentation

friend class PvaClientNTMultiGet

friend

Definition at line 609 of file pvaClientMultiChannel.h.

friend class PvaClientNTMultiMonitor

friend

Definition at line 611 of file pvaClientMultiChannel.h.

friend class PvaClientNTMultiPut

friend

Definition at line 610 of file pvaClientMultiChannel.h.

---

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

• modules/pvaClient/src/pv/pvaClientMultiChannel.h
• modules/pvaClient/src/pvaClientNTMultiData.cpp