65a69a8901
1) Added method PvaClientNTMultiData::getChannelChangeFlags. 2) In pvaClientMultiChannel made methods not intended for client protected. 3) Fixed many connection related problems. 4) Cleaned up doxygen.
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
/* pvaClientMultiGetDouble.cpp */
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/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvData is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*/
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/**
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* @author mrk
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* @date 2015.03
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*/
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#include <pv/convert.h>
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#include <epicsMath.h>
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#define epicsExportSharedSymbols
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#include <pv/pvaClientMultiChannel.h>
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using namespace epics::pvData;
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using namespace epics::pvAccess;
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using namespace epics::nt;
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using namespace std;
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namespace epics { namespace pvaClient {
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PvaClientMultiGetDoublePtr PvaClientMultiGetDouble::create(
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PvaClientMultiChannelPtr const &pvaMultiChannel,
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PvaClientChannelArray const &pvaClientChannelArray)
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{
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PvaClientMultiGetDoublePtr pvaClientMultiGetDouble(
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new PvaClientMultiGetDouble(pvaMultiChannel,pvaClientChannelArray));
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return pvaClientMultiGetDouble;
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}
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PvaClientMultiGetDouble::PvaClientMultiGetDouble(
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PvaClientMultiChannelPtr const &pvaClientMultiChannel,
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PvaClientChannelArray const &pvaClientChannelArray)
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: pvaClientMultiChannel(pvaClientMultiChannel),
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pvaClientChannelArray(pvaClientChannelArray),
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nchannel(pvaClientChannelArray.size()),
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doubleValue( shared_vector<double>(nchannel)),
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pvaClientGet(std::vector<PvaClientGetPtr>(nchannel,PvaClientGetPtr())),
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isGetConnected(false)
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{
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if(PvaClient::getDebug()) cout<< "PvaClientMultiGetDouble::PvaClientMultiGetDouble()\n";
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}
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PvaClientMultiGetDouble::~PvaClientMultiGetDouble()
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{
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if(PvaClient::getDebug()) cout<< "PvaClientMultiGetDouble::~PvaClientMultiGetDouble()\n";
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}
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void PvaClientMultiGetDouble::connect()
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{
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shared_vector<boolean>isConnected = pvaClientMultiChannel->getIsConnected();
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string request = "value";
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for(size_t i=0; i<nchannel; ++i)
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{
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if(isConnected[i]) {
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pvaClientGet[i] = pvaClientChannelArray[i]->createGet(request);
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pvaClientGet[i]->issueConnect();
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}
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}
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for(size_t i=0; i<nchannel; ++i)
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{
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if(isConnected[i]) {
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Status status = pvaClientGet[i]->waitConnect();
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if(status.isOK()) continue;
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string message = string("channel ") + pvaClientChannelArray[i]->getChannelName()
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+ " PvaChannelGet::waitConnect " + status.getMessage();
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throw std::runtime_error(message);
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}
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}
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isGetConnected = true;
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}
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shared_vector<double> PvaClientMultiGetDouble::get()
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{
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if(!isGetConnected) connect();
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shared_vector<boolean> isConnected = pvaClientMultiChannel->getIsConnected();
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for(size_t i=0; i<nchannel; ++i)
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{
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if(isConnected[i]) {
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if(!pvaClientGet[i]) pvaClientGet[i]=pvaClientChannelArray[i]->createGet("value");
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pvaClientGet[i]->issueGet();
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}
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}
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for(size_t i=0; i<nchannel; ++i)
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{
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if(isConnected[i]) {
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Status status = pvaClientGet[i]->waitGet();
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if(status.isOK()) continue;
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string message = string("channel ") + pvaClientChannelArray[i]->getChannelName()
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+ " PvaChannelGet::waitGet " + status.getMessage();
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throw std::runtime_error(message);
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}
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}
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for(size_t i=0; i<nchannel; ++i)
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{
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if(isConnected[i])
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{
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PVStructurePtr pvStructure = pvaClientGet[i]->getData()->getPVStructure();
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PVScalarPtr pvScalar(pvStructure->getSubField<PVScalar>("value"));
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if(pvScalar) {
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ScalarType scalarType = pvScalar->getScalar()->getScalarType();
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if(ScalarTypeFunc::isNumeric(scalarType)) {
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doubleValue[i] = getConvert()->toDouble(pvScalar);
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} else {
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doubleValue[i] = epicsNAN;
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}
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} else {
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doubleValue[i] = epicsNAN;
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}
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} else {
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doubleValue[i] = epicsNAN;
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}
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}
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return doubleValue;
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}
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}}
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