add removeRecord; more work on termination issues

src/special/removeRecord.cpp

@@ -0,0 +1,85 @@
+/* removeRecord.cpp */
+/**
+ * Copyright - See the COPYRIGHT that is included with this distribution.
+ * EPICS pvData is distributed subject to a Software License Agreement found
+ * in file LICENSE that is included with this distribution.
+ */
+/**
+ * @author mrk
+ * @date 2013.04.18
+ */
+#define epicsExportSharedSymbols
+
+#include <pv/removeRecord.h>
+
+using std::tr1::static_pointer_cast;
+using namespace epics::pvData;
+using namespace epics::pvAccess;
+using namespace std;
+
+namespace epics { namespace pvDatabase { 
+
+RemoveRecordPtr RemoveRecord::create(
+    std::string const & recordName)
+{
+    FieldCreatePtr fieldCreate = getFieldCreate();
+    PVDataCreatePtr pvDataCreate = getPVDataCreate();
+    StructureConstPtr  topStructure = fieldCreate->createFieldBuilder()->
+        addNestedStructure("argument")->
+            add("recordName",pvString)->
+            endNested()->
+        addNestedStructure("result") ->
+            add("status",pvString) ->
+            endNested()->
+        createStructure();
+    PVStructurePtr pvStructure = pvDataCreate->createPVStructure(topStructure);
+    RemoveRecordPtr pvRecord(
+        new RemoveRecord(recordName,pvStructure));
+    if(!pvRecord->init()) pvRecord.reset();
+    return pvRecord;
+}
+
+RemoveRecord::RemoveRecord(
+    std::string const & recordName,
+    epics::pvData::PVStructurePtr const & pvStructure)
+: PVRecord(recordName,pvStructure),
+  pvDatabase(PVDatabase::getMaster()),
+  isDestroyed(false)
+{
+}
+
+RemoveRecord::~RemoveRecord()
+{
+}
+
+void RemoveRecord::destroy()
+{
+    PVRecord::destroy();
+}
+
+bool RemoveRecord::init()
+{
+    initPVRecord();
+    PVStructurePtr pvStructure = getPVStructure();
+    pvRecordName = pvStructure->getSubField<PVString>("argument.recordName");
+    if(!pvRecordName) return false;
+    pvResult = pvStructure->getSubField<PVString>("result.status");
+    if(!pvResult) return false;
+    return true;
+}
+
+void RemoveRecord::process()
+{
+    string name = pvRecordName->get();
+    PVRecordPtr pvRecord = pvDatabase->findRecord(name);
+    if(!pvRecord) {
+        pvResult->put(name + " not found");
+        return;
+    }
+    pvRecord->destroy();
+    pvResult->put("success");
+}
+
+
+}}
+