EPICS_base/pvDatabase
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add interface to check if master field was requested

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This commit is contained in:
Sinisa Veseli
2024-04-30 13:04:08 -05:00
parent f207e512d6
commit e0d5925af3
2 changed files with 9 additions and 0 deletions
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4
src/copy/pvCopy.cpp
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@ -432,6 +432,7 @@ bool PVCopy::init(epics::pvData::PVStructurePtr const &pvRequest)
PVStructurePtr pvMasterStructure = pvMaster;
size_t len = pvRequest->getPVFields().size();
bool entireMaster = false;
requestHasMasterField = false;
PVStructurePtr pvOptions;
if(len==0) {
entireMaster = true;
@ -441,6 +442,9 @@ bool PVCopy::init(epics::pvData::PVStructurePtr const &pvRequest)
// then assume the top level PV structure is requested
PVStructurePtr masterFieldPtr = pvMaster->getSubField<PVStructure>("_");
PVStructurePtr requestFieldPtr = pvRequest->getSubField<PVStructure>("_");
if (requestFieldPtr) {
requestHasMasterField = true;
}
if (!masterFieldPtr && requestFieldPtr) {
entireMaster = true;
pvOptions = requestFieldPtr->getSubField<PVStructure>("_options");

5
src/pv/pvStructureCopy.h
View File

@ -167,6 +167,10 @@ public:
* name is the subField name and value is the subField value.
*/
epics::pvData::PVStructurePtr getOptions(std::size_t fieldOffset);
/**
* Is master field requested?
*/
bool isMasterFieldRequested() const {return requestHasMasterField;}
/**
* For debugging.
*/
@ -183,6 +187,7 @@ private:
CopyNodePtr headNode;
epics::pvData::PVStructurePtr cacheInitStructure;
epics::pvData::BitSetPtr ignorechangeBitSet;
bool requestHasMasterField;
void traverseMaster(
CopyNodePtr const &node,