void PvaClientChannelCache::addChannel(PvaClientChannelPtr const & pvaClientChannel)
{
Channel::shared_pointer channel = pvaClientChannel->getChannel();
string name = channel->getChannelName()
+ channel->getProvider()->getProviderName();
pvaClientChannelMap.insert(std::pair<string,PvaClientChannelPtr>(
name,pvaClientChannel));
}
bool PvaClientMultiChannel::connectionChange()
{
for(size_t i=0; i<numChannel; ++i) {
PvaClientChannelPtr pvaClientChannel = pvaClientChannelArray[i];
Channel::shared_pointer channel = pvaClientChannel->getChannel();
Channel::ConnectionState stateNow = channel->getConnectionState();
bool connectedNow = stateNow==Channel::CONNECTED ? true : false;
if(connectedNow!=isConnected[i]) return true;
}
return false;
}
void PvaClientChannelCache::addChannel(PvaClientChannelPtr const & pvaClientChannel)
{
Channel::shared_pointer channel = pvaClientChannel->getChannel();
string name = channel->getChannelName()
+ channel->getProvider()->getProviderName();
map<string,PvaClientChannelPtr>::iterator iter = pvaClientChannelMap.find(name);
if(iter!=pvaClientChannelMap.end()) {
throw std::runtime_error("pvaClientChannelCache::addChannel channel already cached");
}
pvaClientChannelMap.insert(std::pair<string,PvaClientChannelPtr>(
name,pvaClientChannel));
}
bool PvaClientMultiChannel::connectionChange()
{
if(isDestroyed) throw std::runtime_error("pvaClientMultiChannel was destroyed");
for(size_t i=0; i<numChannel; ++i) {
PvaClientChannelPtr pvaClientChannel = pvaClientChannelArray[i];
Channel::shared_pointer channel = pvaClientChannel->getChannel();
Channel::ConnectionState stateNow = channel->getConnectionState();
bool connectedNow = stateNow==Channel::CONNECTED ? true : false;
if(connectedNow!=isConnected[i]) return true;
}
return false;
}
void ChannelRequesterImpl::channelCreated(const epics::pvData::Status& status, Channel::shared_pointer const & channel)
{
qDebug() << "ChannelRequesterImpl channelCreated";
if (status.isSuccess()) {
// show warning
if (!status.isOK()) {
std::cout << "[" << channel->getChannelName() << "] channel create: " << status.toString() << std::endl;
}
} else {
std::cout << "[" << channel->getChannelName() << "] failed to create a channel: " << status.toString() << std::endl;
}
}
void PvaClientChannelCache::showCache()
{
map<string,PvaClientChannelPtr>::iterator iter;
for(iter = pvaClientChannelMap.begin(); iter != pvaClientChannelMap.end(); ++iter)
{
PvaClientChannelPtr pvaChannel = iter->second;
Channel::shared_pointer channel = pvaChannel->getChannel();
string channelName = channel->getChannelName();
string providerName = channel->getProvider()->getProviderName();
cout << "channel " << channelName << " provider " << providerName << endl;
pvaChannel->showCache();
}
}
epics::pvData::shared_vector<epics::pvData::boolean> PvaClientMultiChannel::getIsConnected()
{
for(size_t i=0; i<numChannel; ++i) {
PvaClientChannelPtr pvaClientChannel = pvaClientChannelArray[i];
if(!pvaClientChannel) {
isConnected[i] = false;
continue;
}
Channel::shared_pointer channel = pvaClientChannel->getChannel();
Channel::ConnectionState stateNow = channel->getConnectionState();
isConnected[i] = (stateNow==Channel::CONNECTED) ? true : false;
}
return isConnected;
}
void CAChannelProvider::destroy()
{
Lock lock(channelsMutex);
{
while (!channels.empty())
{
Channel::shared_pointer channel = channels.rbegin()->second.lock();
if (channel)
channel->destroy();
}
}
/* Destroy CA Context */
ca_context_destroy();
}
virtual void channelCreated(const epics::pvData::Status& status,
Channel::shared_pointer const & channel)
{
if (status.isSuccess())
{
// show warning
if (!status.isOK())
{
std::cout << "[" << channel->getChannelName() << "] channel create: " << status << std::endl;
}
}
else
{
std::cout << "[" << channel->getChannelName() << "] failed to create a channel: " << status << std::endl;
}
}
void ChannelRequesterImpl::channelStateChange(Channel::shared_pointer const & channel, Channel::ConnectionState connectionState)
{
Q_UNUSED(channel);
qDebug() << "ChannelRequesterImpl channelStateChange " << m_channelIndex;
if (connectionState == Channel::CONNECTED) {
std::cout << channel->getChannelName() << " CONNECTED: " << std::endl;
m_event.signal();
m_mutexData->SetMutexKnobDataConnected(m_channelIndex, true);
} else if (connectionState == Channel::DISCONNECTED) {
std::cout << channel->getChannelName() << " DISCONNECTED: " << std::endl;
m_event.signal();
m_mutexData->SetMutexKnobDataConnected(m_channelIndex, false);
} else {
std::cout << channel->getChannelName() << " " << Channel::ConnectionStateNames[connectionState] << std::endl;
}
}
// always called from the same thread
virtual void channelStateChange(Channel::shared_pointer const & c, Channel::ConnectionState connectionState)
{
if (connectionState == Channel::CONNECTED)
{
cout << c->getChannelName() << " CONNECTED: " << (count+1) << endl;
if (static_cast<size_t>(++count) == total)
g_event.signal();
}
else if (connectionState == Channel::DISCONNECTED)
{
--count;
cout << c->getChannelName() << " DISCONNECTED: " << count << endl;
}
else
cout << c->getChannelName() << " " << Channel::ConnectionStateNames[connectionState] << endl;
}
void MyChannelRequester::channelStateChange(Channel::shared_pointer const & channel, Channel::ConnectionState connectionState)
{
cout << channel->getChannelName() << " state: "
<< Channel::ConnectionStateNames[connectionState]
<< " (" << connectionState << ")" << endl;
if (connectionState == Channel::CONNECTED)
connect_event.signal();
}
virtual void channelCreated(const epics::pvData::Status& status, Channel::shared_pointer const & channel)
{
if (!status.isSuccess())
{
std::cout << "channelCreated(" << status << ", "
<< (channel ? channel->getChannelName() : "(0)") << ")" << std::endl;
}
}
void PvValue::channelCreated(
const Status& status,
Channel::shared_pointer const & channel)
{
if(!status.isOK()) {
this->status = status;
requester->message(status.getMessage(),errorMessage);
isConnected = false;
event.signal();
}
this->channel = channel;
isConnected = true;
channelGet = channel->createChannelGet(getPtrSelf(),getRequest);
}
PvaClientRPC::PvaClientRPC(
PvaClientPtr const &pvaClient,
Channel::shared_pointer const & channel,
PVStructurePtr const &pvRequest)
:
connectState(connectIdle),
pvaClient(pvaClient),
channel(channel),
pvRequest(pvRequest),
rpcState(rpcIdle),
responseTimeout(0.0)
{
if(PvaClient::getDebug()) {
cout<< "PvaClientRPC::PvaClientRPC()"
<< " channelName " << channel->getChannelName()
<< endl;
}
}
PvaClientMonitor::PvaClientMonitor(
PvaClientPtr const &pvaClient,
Channel::shared_pointer const & channel,
PVStructurePtr const &pvRequest)
: pvaClient(pvaClient),
channel(channel),
pvRequest(pvRequest),
isStarted(false),
connectState(connectIdle),
userPoll(false),
userWait(false)
{
if(PvaClient::getDebug()) {
cout<< "PvaClientMonitor::PvaClientMonitor()"
<< " channelName " << channel->getChannelName()
<< endl;
}
}
virtual void channelStateChange(Channel::shared_pointer const & c, Channel::ConnectionState connectionState)
{
std::cout << "channelStateChange(" << c->getChannelName() << ", " << Channel::ConnectionStateNames[connectionState] << ")" << std::endl;
}
void runTest()
{
reset();
if (verbose)
printf("%d channel(s) of double array size of %d element(s) (0==scalar), %d iteration(s) per run, %d run(s) (0==forever)\n", channels, arraySize, iterations, runs);
/*
StringArray fieldNames;
fieldNames.push_back("strategy");
FieldConstPtrArray fields;
fields.push_back(getFieldCreate()->createScalar(pvInt));
PVStructure::shared_pointer configuration =
getPVDataCreate()->createPVStructure(getFieldCreate()->createStructure(fieldNames, fields));
configuration->getIntField("strategy")->put(bulkMode ? USER_CONTROLED : DELAYED);
provider->configure(configuration);
*/
vector<string> channelNames;
char buf[64];
for (int i = 0; i < channels; i++)
{
if (arraySize > 0)
sprintf(buf, "testArray%d_%d", arraySize, i);
else
sprintf(buf, "test%d", i);
channelNames.push_back(buf);
}
vector<Channel::shared_pointer> channels;
for (vector<string>::const_iterator i = channelNames.begin();
i != channelNames.end();
i++)
{
shared_ptr<ChannelRequesterImpl> channelRequesterImpl(
new ChannelRequesterImpl()
);
Channel::shared_pointer channel = provider->createChannel(*i, channelRequesterImpl);
channels.push_back(channel);
}
if (bulkMode) provider->flush();
bool differentConnectionsWarningIssued = false;
string theRemoteAddress;
for (vector<Channel::shared_pointer>::iterator i = channels.begin();
i != channels.end();
i++)
{
Channel::shared_pointer channel = *i;
shared_ptr<ChannelRequesterImpl> channelRequesterImpl =
dynamic_pointer_cast<ChannelRequesterImpl>(channel->getChannelRequester());
if (channelRequesterImpl->waitUntilConnected(5.0))
{
string remoteAddress = channel->getRemoteAddress();
if (theRemoteAddress.empty())
{
theRemoteAddress = remoteAddress;
}
else if (theRemoteAddress != remoteAddress)
{
if (!differentConnectionsWarningIssued)
{
std::cout << "not all channels are hosted by the same connection: " <<
theRemoteAddress << " != " << remoteAddress << std::endl;
differentConnectionsWarningIssued = true;
// we assumes same connection (thread-safety)
exit(2);
}
}
shared_ptr<ChannelGetRequesterImpl> getRequesterImpl(
new ChannelGetRequesterImpl(channel->getChannelName())
);
ChannelGet::shared_pointer channelGet = channel->createChannelGet(getRequesterImpl, pvRequest);
if (bulkMode) provider->flush();
bool allOK = getRequesterImpl->waitUntilConnected(timeOut);
if (!allOK)
{
std::cout << "[" << channel->getChannelName() << "] failed to get all the gets" << std::endl;
exit(1);
}
channelGetList.push_back(channelGet);
}
else
{
std::cout << "[" << channel->getChannelName() << "] connection timeout" << std::endl;
exit(1);
}
}
if (verbose)
std::cout << "all connected" << std::endl;
{
Lock guard(waitLoopPtrMutex);
waitLoopEvent.reset(new Event());
}
epicsTimeGetCurrent(&startTime);
get_all();
waitLoopEvent->wait();
}
void MyChannelRequester::channelCreated(const Status& status, Channel::shared_pointer const & channel)
{
cout << channel->getChannelName() << " created, " << status << endl;
}
void CAChannelProvider::unregisterChannel(Channel::shared_pointer const & channel)
{
Lock lock(channelsMutex);
channels.erase(channel.get());
}
void CAChannelProvider::registerChannel(Channel::shared_pointer const & channel)
{
Lock lock(channelsMutex);
channels[channel.get()] = Channel::weak_pointer(channel);
}
int main()
{
for (int i = 0; i < 10; i++) {
{
/*
ClientContextImpl::shared_pointer context = createClientContextImpl();
context->printInfo();
context->initialize();
context->printInfo();
epicsThreadSleep ( SLEEP_TIME );
ChannelProvider::shared_pointer provider = context->getProvider();
*/
ClientFactory::start();
ChannelProvider::shared_pointer provider = getChannelProviderRegistry()->getProvider("pva");
ChannelFindRequester::shared_pointer findRequester(new ChannelFindRequesterImpl());
ChannelFind::shared_pointer channelFind = provider->channelFind("testSomething", findRequester);
epicsThreadSleep ( SLEEP_TIME );
//channelFind->destroy();
ChannelRequester::shared_pointer channelRequester(new ChannelRequesterImpl());
Channel::shared_pointer channel = provider->createChannel("testStructureArrayTest", channelRequester);
epicsThreadSleep ( SLEEP_TIME );
channel->printInfo();
{
GetFieldRequester::shared_pointer getFieldRequesterImpl(new GetFieldRequesterImpl());
channel->getField(getFieldRequesterImpl, "");
epicsThreadSleep ( SLEEP_TIME );
}
{
ChannelProcessRequester::shared_pointer channelProcessRequester(new ChannelProcessRequesterImpl());
PVStructure::shared_pointer pvRequest;
ChannelProcess::shared_pointer channelProcess = channel->createChannelProcess(channelProcessRequester, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelProcess->process();
epicsThreadSleep ( SLEEP_TIME );
channelProcess->destroy();
epicsThreadSleep ( SLEEP_TIME );
}
{
ChannelGetRequester::shared_pointer channelGetRequesterImpl(new ChannelGetRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()");
ChannelGet::shared_pointer channelGet = channel->createChannelGet(channelGetRequesterImpl, pvRequest);
epicsThreadSleep ( 3.0 );
channelGet->get();
epicsThreadSleep ( 3.0 );
channelGet->destroy();
}
{
ChannelPutRequester::shared_pointer channelPutRequesterImpl(new ChannelPutRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field(value,timeStamp)");
ChannelPut::shared_pointer channelPut = channel->createChannelPut(channelPutRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelPut->get();
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelPut->put();
//epicsThreadSleep ( SLEEP_TIME );
channelPut->destroy();
}
{
ChannelPutGetRequester::shared_pointer channelPutGetRequesterImpl(new ChannelPutGetRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("putField(value,timeStamp)getField(timeStamp)");
ChannelPutGet::shared_pointer channelPutGet = channel->createChannelPutGet(channelPutGetRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelPutGet->getGet();
epicsThreadSleep ( SLEEP_TIME );
channelPutGet->getPut();
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelPutGet->putGet();
//epicsThreadSleep ( SLEEP_TIME );
channelPutGet->destroy();
}
{
ChannelRPCRequester::shared_pointer channelRPCRequesterImpl(new ChannelRPCRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("record[]field(arguments)");
ChannelRPC::shared_pointer channelRPC = channel->createChannelRPC(channelRPCRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
// for test simply use pvRequest as arguments
channelRPC->request(pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelRPC->destroy();
}
{
ChannelArrayRequester::shared_pointer channelArrayRequesterImpl(new ChannelArrayRequesterImpl());
StringArray fieldNames; fieldNames.push_back("field");
FieldConstPtrArray fields; fields.push_back(getFieldCreate()->createScalar(pvString));
PVStructure::shared_pointer pvRequest(getPVDataCreate()->createPVStructure(getFieldCreate()->createStructure(fieldNames, fields)));
ChannelArray::shared_pointer channelArray = channel->createChannelArray(channelArrayRequesterImpl, pvRequest);
epicsThreadSleep ( SLEEP_TIME );
channelArray->getArray(0,0,1);
epicsThreadSleep ( SLEEP_TIME );
// TODO !!!
//channelArray->putArray(0,0,1);
//epicsThreadSleep ( SLEEP_TIME );
channelArray->setLength(3);
epicsThreadSleep ( SLEEP_TIME );
channelArray->getLength();
epicsThreadSleep ( SLEEP_TIME );
channelArray->destroy();
}
{
MonitorRequester::shared_pointer monitorRequesterImpl(new MonitorRequesterImpl());
PVStructure::shared_pointer pvRequest = CreateRequest::create()->createRequest("field()");
Monitor::shared_pointer monitor = channel->createMonitor(monitorRequesterImpl, pvRequest);
epicsThreadSleep( SLEEP_TIME );
Status status = monitor->start();
std::cout << "monitor->start() = " << status << std::endl;
epicsThreadSleep( 3*SLEEP_TIME );
status = monitor->stop();
std::cout << "monitor->stop() = " << status << std::endl;
monitor->destroy();
}
epicsThreadSleep ( 3*SLEEP_TIME );
printf("Destroying channel... \n");
channel->destroy();
printf("done.\n");
epicsThreadSleep ( 3*SLEEP_TIME );
}
ClientFactory::stop();
/*
printf("Destroying context... \n");
context->destroy();
printf("done.\n");
*/
epicsThreadSleep ( SLEEP_TIME ); }
//std::cout << "-----------------------------------------------------------------------" << std::endl;
//epicsExitCallAtExits();
return(0);
}
void runTest()
{
reset();
if (verbose)
printf("%d channel(s) of double array size of %d element(s) (0==scalar), %d iteration(s) per run, %d run(s) (0==forever)\n", channels, arraySize, iterations, runs);
vector<string> channelNames;
char buf[64];
for (int i = 0; i < channels; i++)
{
if (arraySize > 0)
sprintf(buf, "testArray%d_%d", arraySize, i);
else
sprintf(buf, "test%d", i);
channelNames.push_back(buf);
}
vector<Channel::shared_pointer> channels;
for (vector<string>::const_iterator i = channelNames.begin();
i != channelNames.end();
i++)
{
TR1::shared_ptr<ChannelRequesterImpl> channelRequesterImpl(
new ChannelRequesterImpl()
);
Channel::shared_pointer channel = provider->createChannel(*i, channelRequesterImpl);
channels.push_back(channel);
}
bool differentConnectionsWarningIssued = false;
string theRemoteAddress;
for (vector<Channel::shared_pointer>::iterator i = channels.begin();
i != channels.end();
i++)
{
Channel::shared_pointer channel = *i;
TR1::shared_ptr<ChannelRequesterImpl> channelRequesterImpl =
TR1::dynamic_pointer_cast<ChannelRequesterImpl>(channel->getChannelRequester());
if (channelRequesterImpl->waitUntilConnected(5.0))
{
string remoteAddress = channel->getRemoteAddress();
if (theRemoteAddress.empty())
{
theRemoteAddress = remoteAddress;
}
else if (theRemoteAddress != remoteAddress)
{
if (!differentConnectionsWarningIssued)
{
std::cout << "not all channels are hosted by the same connection: " <<
theRemoteAddress << " != " << remoteAddress << std::endl;
differentConnectionsWarningIssued = true;
// we assumes same connection (thread-safety)
exit(2);
}
}
TR1::shared_ptr<ChannelMonitorRequesterImpl> getRequesterImpl(
new ChannelMonitorRequesterImpl(channel->getChannelName())
);
Monitor::shared_pointer monitor = channel->createMonitor(getRequesterImpl, pvRequest);
bool allOK = getRequesterImpl->waitUntilConnected(timeOut);
if (!allOK)
{
std::cout << "[" << channel->getChannelName() << "] failed to get all the monitors" << std::endl;
exit(1);
}
channelMonitorList.push_back(monitor);
}
else
{
std::cout << "[" << channel->getChannelName() << "] connection timeout" << std::endl;
exit(1);
}
}
if (verbose)
std::cout << "all connected" << std::endl;
{
Lock guard(waitLoopPtrMutex);
waitLoopEvent.reset(new Event());
}
epicsTimeGetCurrent(&startTime);
monitor_all();
waitLoopEvent->wait();
}