epics::pvData::PVStructure::shared_pointer RpcClient::request(const epics::pvData::PVStructurePtr& pvRequest, double timeout)
{
try {
epics::pvAccess::RPCClient::shared_pointer client = getRpcClient(pvRequest, timeout);
#if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 430
epics::pvData::PVStructure::shared_pointer response = client->request(pvRequest, timeout);
#endif // if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 430
#if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 435
// When client goes out of scope, it will destroy resources.
bool lastRequest = false;
epics::pvData::PVStructure::shared_pointer response = client->request(pvRequest, lastRequest);
#endif // if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 435
#if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 440
epics::pvData::PVStructure::shared_pointer response = client->request(pvRequest, timeout);
#endif // if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION == 440
return response;
}
catch (const epics::pvAccess::RPCRequestException& ex) {
throw PvaException(ex.what());
}
catch (std::exception& ex) {
throw PvaException(ex.what());
}
catch (...) {
throw PvaException("Unexpected error caught in RpcClient::request().");
}
}
double PvScalar::toDouble() const
{
epics::pvData::ScalarType scalarType = PyPvDataUtility::getScalarType(ValueFieldKey, pvStructurePtr);
double value;
switch (scalarType) {
case epics::pvData::pvBoolean: {
value = pvStructurePtr->getSubField<epics::pvData::PVBoolean>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvByte: {
value = pvStructurePtr->getSubField<epics::pvData::PVByte>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUByte: {
value = pvStructurePtr->getSubField<epics::pvData::PVUByte>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvShort: {
value = pvStructurePtr->getSubField<epics::pvData::PVShort>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUShort: {
value = pvStructurePtr->getSubField<epics::pvData::PVUShort>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvInt: {
value = pvStructurePtr->getSubField<epics::pvData::PVInt>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUInt: {
value = pvStructurePtr->getSubField<epics::pvData::PVUInt>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvLong: {
value = pvStructurePtr->getSubField<epics::pvData::PVLong>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvULong: {
value = pvStructurePtr->getSubField<epics::pvData::PVULong>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvFloat: {
value = pvStructurePtr->getSubField<epics::pvData::PVFloat>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvDouble: {
value = pvStructurePtr->getSubField<epics::pvData::PVDouble>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvString: {
std::string s = pvStructurePtr->getSubField<epics::pvData::PVString>(ValueFieldKey)->get();
value = atof(s.c_str());
break;
}
default: {
throw PvaException("Unrecognized scalar type: %d", scalarType);
}
}
return value;
}
std::string PvScalar::toString() const
{
std::ostringstream oss;
epics::pvData::ScalarType scalarType = PyPvDataUtility::getScalarType(ValueFieldKey, pvStructurePtr);
switch (scalarType) {
case epics::pvData::pvBoolean: {
oss << static_cast<bool>(pvStructurePtr->getSubField<epics::pvData::PVBoolean>(ValueFieldKey)->get());
break;
}
case epics::pvData::pvByte: {
oss << pvStructurePtr->getSubField<epics::pvData::PVByte>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUByte: {
oss << pvStructurePtr->getSubField<epics::pvData::PVUByte>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvShort: {
oss << pvStructurePtr->getSubField<epics::pvData::PVShort>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUShort: {
oss << pvStructurePtr->getSubField<epics::pvData::PVUShort>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvInt: {
oss << pvStructurePtr->getSubField<epics::pvData::PVInt>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvUInt: {
oss << pvStructurePtr->getSubField<epics::pvData::PVUInt>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvLong: {
oss << pvStructurePtr->getSubField<epics::pvData::PVLong>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvULong: {
oss << pvStructurePtr->getSubField<epics::pvData::PVULong>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvFloat: {
oss << pvStructurePtr->getSubField<epics::pvData::PVFloat>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvDouble: {
oss << pvStructurePtr->getSubField<epics::pvData::PVDouble>(ValueFieldKey)->get();
break;
}
case epics::pvData::pvString: {
oss << pvStructurePtr->getSubField<epics::pvData::PVString>(ValueFieldKey)->get();
break;
}
default: {
throw PvaException("Unrecognized scalar type: %d", scalarType);
}
}
return oss.str();
}
epics::pvData::PVStructure::shared_pointer RpcClient::request(const epics::pvData::PVStructurePtr& arguments, double timeout)
{
try {
epics::pvAccess::RPCClient::shared_pointer client = getRpcClient(pvRequest, timeout);
#if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION >= 440
epics::pvData::PVStructure::shared_pointer response = client->request(arguments, timeout);
#endif // if defined PVA_RPC_API_VERSION && PVA_RPC_API_VERSION >= 440
return response;
}
catch (const epics::pvAccess::RPCRequestException& ex) {
throw PvaException(ex.what());
}
catch (std::exception& ex) {
throw PvaException(ex.what());
}
catch (...) {
throw PvaException("Unexpected error caught in RpcClient::request().");
}
}
PvObject* Channel::get(const std::string& requestDescriptor)
{
epics::pvData::PVStructure::shared_pointer pvRequest = epics::pvData::CreateRequest::create()->createRequest(requestDescriptor);
std::tr1::shared_ptr<ChannelRequesterImpl> channelRequesterImpl = std::tr1::dynamic_pointer_cast<ChannelRequesterImpl>(channel->getChannelRequester());
if (channel->getConnectionState() != epics::pvAccess::Channel::CONNECTED) {
if (!channelRequesterImpl->waitUntilConnected(timeout)) {
throw ChannelTimeout("Channel %s timed out", channel->getChannelName().c_str());
}
}
std::tr1::shared_ptr<GetFieldRequesterImpl> getFieldRequesterImpl;
getFieldRequesterImpl.reset(new GetFieldRequesterImpl(channel));
channel->getField(getFieldRequesterImpl, "");
if (!getFieldRequesterImpl->waitUntilFieldGet(timeout)) {
throw ChannelTimeout("Channel %s field get timed out", channel->getChannelName().c_str());
}
if (!getFieldRequesterImpl.get()) {
throw PvaException("Failed to get introspection data for channel %s", channel->getChannelName().c_str());
}
epics::pvData::Structure::const_shared_pointer structure =
std::tr1::dynamic_pointer_cast<const epics::pvData::Structure>(getFieldRequesterImpl->getField());
if (structure.get() == 0 || structure->getField("value").get() == 0) {
// fallback to structure
pvRequest = epics::pvData::CreateRequest::create()->createRequest("field()");
}
std::tr1::shared_ptr<ChannelGetRequesterImpl> getRequesterImpl(new ChannelGetRequesterImpl(channel->getChannelName()));
epics::pvAccess::ChannelGet::shared_pointer channelGet = channel->createChannelGet(getRequesterImpl, pvRequest);
if (getRequesterImpl->waitUntilGet(timeout)) {
return new PvObject(getRequesterImpl->getPVStructure());
}
throw ChannelTimeout("Channel %s get request timed out", channel->getChannelName().c_str());
}
PvScalar& PvScalar::add(int i)
{
epics::pvData::ScalarType scalarType = PyPvDataUtility::getScalarType(ValueFieldKey, pvStructurePtr);
switch (scalarType) {
case epics::pvData::pvBoolean: {
epics::pvData::PVBooleanPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVBoolean>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvByte: {
epics::pvData::PVBytePtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVByte>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvUByte: {
epics::pvData::PVUBytePtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVUByte>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvShort: {
epics::pvData::PVShortPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVShort>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvUShort: {
epics::pvData::PVUShortPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVUShort>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvInt: {
epics::pvData::PVIntPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVInt>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvUInt: {
epics::pvData::PVUIntPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVUInt>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvLong: {
epics::pvData::PVLongPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVLong>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvULong: {
epics::pvData::PVULongPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVULong>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvFloat: {
epics::pvData::PVFloatPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVFloat>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvDouble: {
epics::pvData::PVDoublePtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVDouble>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+i);
break;
}
case epics::pvData::pvString: {
epics::pvData::PVStringPtr fieldPtr = pvStructurePtr->getSubField<epics::pvData::PVString>(ValueFieldKey);
fieldPtr->put(fieldPtr->get()+StringUtility::toString(i));
break;
}
default: {
throw PvaException("Unrecognized scalar type: %d", scalarType);
}
}
return *this;
}
PvObject* Channel::getPut(const std::string& requestDescriptor)
{
throw PvaException("GetPut() is not supported for 4.4.0 release.");
}
PvObject* Channel::getPut()
{
throw PvaException("GetPut() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(double value)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(double value, const std::string& requestDescriptor)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(unsigned long long value)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(const boost::python::list& pyList)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(const boost::python::list& pyList, const std::string& requestDescriptor)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(const std::string& value)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}
PvObject* Channel::putGet(const PvObject& pvObject)
{
throw PvaException("PutGet() is not supported for 4.4.0 release.");
}