140 lines
4.5 KiB
C++
140 lines
4.5 KiB
C++
/* pvaClientMultiDouble.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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#define epicsExportSharedSymbols
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#include <pv/pvaClientMultiDouble.h>
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using std::tr1::static_pointer_cast;
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using namespace epics::pvData;
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using namespace epics::pvAccess;
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using namespace std;
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namespace epics { namespace pvaClient {
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PvaClientMultiDoublePtr PvaClientMultiDouble::create(
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PvaClientPtr const & pvaClient,
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PVStringArrayPtr const & channelName,
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double timeout,
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std::string const & providerName)
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{
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PvaClientMultiChannelPtr pvaClientMultiChannel(
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PvaClientMultiChannel::create(pvaClient,channelName,providerName));
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Status status = pvaClientMultiChannel->connect(timeout,0);
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if(!status.isOK()) throw std::runtime_error(status.getMessage());
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return PvaClientMultiDoublePtr(new PvaClientMultiDouble(pvaClientMultiChannel));
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}
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PvaClientMultiDouble::PvaClientMultiDouble(PvaClientMultiChannelPtr const &pvaClientMultiChannel)
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:
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pvaClientMultiChannel(pvaClientMultiChannel)
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{}
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PvaClientMultiDouble::~PvaClientMultiDouble()
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{
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}
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void PvaClientMultiDouble::createGet()
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{
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PvaClientChannelArrayPtr pvaClientChannelArray = pvaClientMultiChannel->getPvaClientChannelArray().lock();
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if(!pvaClientChannelArray) throw std::runtime_error("pvaClientChannelArray is gone");
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shared_vector<const PvaClientChannelPtr> pvaClientChannels = *pvaClientChannelArray;
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size_t numChannel = pvaClientChannels.size();
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pvaClientGet = std::vector<PvaClientGetPtr>(numChannel,PvaClientGetPtr());
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bool allOK = true;
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string message;
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for(size_t i=0; i<numChannel; ++i)
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{
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pvaClientGet[i] = pvaClientChannels[i]->createGet("value");
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pvaClientGet[i]->issueConnect();
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}
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for(size_t i=0; i<numChannel; ++i)
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{
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Status status = pvaClientGet[i]->waitConnect();
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if(!status.isOK()) {
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message = "connect status " + status.getMessage();
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allOK = false;
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break;
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}
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}
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if(!allOK) throw std::runtime_error(message);
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}
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void PvaClientMultiDouble::createPut()
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{
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PvaClientChannelArrayPtr pvaClientChannelArray = pvaClientMultiChannel->getPvaClientChannelArray().lock();
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if(!pvaClientChannelArray) throw std::runtime_error("pvaClientChannelArray is gone");
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shared_vector<const PvaClientChannelPtr> pvaClientChannels = *pvaClientChannelArray;
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size_t numChannel = pvaClientChannels.size();
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pvaClientPut = std::vector<PvaClientPutPtr>(numChannel,PvaClientPutPtr());
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bool allOK = true;
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string message;
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for(size_t i=0; i<numChannel; ++i)
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{
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pvaClientPut[i] = pvaClientChannels[i]->createPut("value");
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pvaClientPut[i]->issueConnect();
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}
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for(size_t i=0; i<numChannel; ++i)
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{
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Status status = pvaClientPut[i]->waitConnect();
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if(!status.isOK()) {
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message = "connect status " + status.getMessage();
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allOK = false;
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break;
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}
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}
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if(!allOK) throw std::runtime_error(message);
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}
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epics::pvData::shared_vector<double> PvaClientMultiDouble::get()
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{
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if(pvaClientGet.empty()) createGet();
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shared_vector<const string> channelNames = pvaClientMultiChannel->getChannelNames()->view();
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size_t numChannel = channelNames.size();
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epics::pvData::shared_vector<double> data(channelNames.size());
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for(size_t i=0; i<numChannel; ++i)
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{
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pvaClientGet[i]->issueGet();
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}
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for(size_t i=0; i<numChannel; ++i)
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{
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Status status = pvaClientGet[i]->waitGet();
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if(!status.isOK()) {
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string message = channelNames[i] + " " + status.getMessage();
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throw std::runtime_error(message);
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}
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data[i] = pvaClientGet[i]->getData()->getDouble();
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}
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return data;
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}
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void PvaClientMultiDouble::put(shared_vector<double> const &value)
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{
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if(pvaClientPut.empty()) createPut();
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shared_vector<const string> channelNames = pvaClientMultiChannel->getChannelNames()->view();
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size_t numChannel = channelNames.size();
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for(size_t i=0; i<numChannel; ++i)
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{
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pvaClientPut[i]->getData()->putDouble(value[i]);
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pvaClientPut[i]->issuePut();
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}
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for(size_t i=0; i<numChannel; ++i)
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{
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Status status = pvaClientPut[i]->waitPut();
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if(!status.isOK()) {
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string message = channelNames[i] + " " + status.getMessage();
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throw std::runtime_error(message);
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}
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}
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}
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}}
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