COB-64: Add parset key to optionally disable writing to disk

RTCP/Cobalt/CoInterface/src/Parset.cc

@@ -345,6 +345,8 @@ namespace LOFAR
       settings.corrections.bandPass   = getBool("Cobalt.correctBandPass", true);
       settings.corrections.clock      = getBool("Cobalt.correctClocks", true);
       settings.corrections.dedisperse = getBool("Cobalt.BeamFormer.coherentDedisperseChannels", true);
+       
+      settings.writeToDisk = getBool("Cobalt.writeToDisk", true);
 
       settings.delayCompensation.enabled              = getBool("Cobalt.delayCompensation", true);
       settings.delayCompensation.referencePhaseCenter = getDoubleVector("Observation.referencePhaseCenter", vector<double>(3,0), true);

RTCP/Cobalt/CoInterface/src/Parset.h

@@ -175,6 +175,9 @@ namespace LOFAR
       // key: Observation.bandFilter
       std::string bandFilter;
 
+      // If false, do NOT write output to disk
+      bool writeToDisk;
+
       struct AntennaFieldName {
         std::string station;
         std::string antennaField;

RTCP/Cobalt/OutputProc/src/OutputThread.cc

@@ -133,7 +133,8 @@ namespace LOFAR
           try {
             BudgetTimer::StartStop ss(writeTimer);
 
-            itsWriter->write(data);
+            if (itsParset.settings.writeToDisk)
+              itsWriter->write(data);
           } catch (SystemCallException &ex) {
             LOG_WARN_STR(itsLogPrefix << "OutputThread caught non-fatal exception: " << ex.what());
             itsBlocksDroppedByMe++;