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136 lines (122 loc) · 4.05 KB
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/*
* Copyright information and license terms for this software can be
* found in the file LICENSE that is included with the distribution
*/
/**
* @author mrk
* @date 2013.08.09
*/
#include <epicsThread.h>
#include <pv/event.h>
#include <pv/standardPVField.h>
#include <pv/nt.h>
#include <pv/pvTimeStamp.h>
#include <pv/pvAlarm.h>
#include <pv/pvControl.h>
#include <pv/pvDisplay.h>
#include <pv/pvDatabase.h>
#include <pv/pvaClient.h>
#define epicsExportSharedSymbols
#include "pv/longArrayPut.h"
namespace epics { namespace exampleCPP { namespace arrayPerformance {
using namespace std;
using namespace epics::pvData;
using namespace epics::pvAccess;
using namespace epics::pvaClient;
LongArrayPut::LongArrayPut(
string const & channelName,
size_t arraySize,
int iterBetweenCreateChannel,
int iterBetweenCreateChannelPut,
double delayTime)
:
channelName(channelName),
arraySize(arraySize),
iterBetweenCreateChannel(iterBetweenCreateChannel),
iterBetweenCreateChannelPut(iterBetweenCreateChannelPut),
delayTime(delayTime)
{
thread = EpicsThreadPtr(new epicsThread(
*this,
"longArrayPut",
epicsThreadGetStackSize(epicsThreadStackSmall),
epicsThreadPriorityLow));
thread->start();
}
void LongArrayPut::stop()
{
runStop.signal();
runReturn.wait();
}
void LongArrayPut::run()
{
PvaClientPtr pva(PvaClient::get("pva"));
PvaClientChannelPtr pvaChannel(pva->createChannel(channelName));
PvaClientPutPtr pvaPut(pvaChannel->createPut("value"));
TimeStamp timeStamp;
TimeStamp timeStampLast;
timeStampLast.getCurrent();
int numChannelPut = 0;
int numChannelCreate = 0;
size_t nElements = 0;
while(true) {
if(runStop.tryWait()) {
runReturn.signal();
return;
}
PvaClientPutDataPtr putData(pvaPut->getData());
PVStructurePtr pvStructure(putData->getPVStructure());
BitSetPtr bitSet(putData->getChangedBitSet());
PVLongArrayPtr pvLongArray(pvStructure->getSubField<PVLongArray>("value"));
nElements += arraySize;
shared_vector<int64> xxx(arraySize,numChannelPut);
shared_vector<const int64> data(freeze(xxx));
pvLongArray->replace(data);
bitSet->set(pvLongArray->getFieldOffset());
pvaPut->put();
timeStamp.getCurrent();
double diff = TimeStamp::diff(timeStamp,timeStampLast);
if(diff>=1.0) {
timeStampLast = timeStamp;
ostringstream out;
out << "put " << numChannelPut ;
double elementsPerSec = nElements;
elementsPerSec /= diff;
if(elementsPerSec>1e9) {
elementsPerSec /= 1e9;
out << " gigaElements/sec " << elementsPerSec;
} else if(elementsPerSec>1e6) {
elementsPerSec /= 1e6;
out << " megaElements/sec " << elementsPerSec;
} else if(elementsPerSec>1e3) {
elementsPerSec /= 1e3;
out << " kiloElements/sec " << elementsPerSec;
} else {
out << " Elements/sec " << elementsPerSec;
}
if(iterBetweenCreateChannelPut!=0) out << " numChannelPut " << numChannelPut;
if(iterBetweenCreateChannel!=0) out << " numChannelCreate " << numChannelCreate;
cout << out.str() << endl;
nElements = 0;
}
if(delayTime>0.0) epicsThreadSleep(delayTime);
++numChannelPut;
bool createPut = false;
if(iterBetweenCreateChannelPut!=0) {
if(numChannelPut>=iterBetweenCreateChannelPut) createPut = true;
}
if(createPut) {
pvaPut = pvaChannel->createPut("value");
numChannelPut = 0;
}
++numChannelCreate;
if(iterBetweenCreateChannel!=0) {
if(numChannelCreate>=iterBetweenCreateChannel) {
pvaChannel = pva->createChannel(channelName);
pvaPut = pvaChannel->createPut("value");
numChannelCreate = 0;
}
}
}
}
}}}