G4VisCommandsMultithreading.cc

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// $Id: G4VisCommandsMultithreading.cc 88742 2015-03-08 13:12:57Z allison $

// /vis/multithreading commands - John Allison  29th September 2015

#include "G4Types.hh"
#ifdef G4MULTITHREADED

#include "G4VisCommandsMultithreading.hh"

#include "G4UIcmdWithAnInteger.hh"
#include "G4UIcmdWithAString.hh"
#include "G4VisManager.hh"


G4VisCommandMultithreadingActionOnEventQueueFull::G4VisCommandMultithreadingActionOnEventQueueFull()
{
  G4bool omitable;
  fpCommand = new G4UIcmdWithAString("/vis/multithreading/actionOnEventQueueFull", this);
  fpCommand->SetGuidance("When event queue for drawing gets full:");
  fpCommand->SetGuidance("wait: event processing waits for vis manager to catch up.");
  fpCommand->SetGuidance("discard: events are discarded for drawing.");
  fpCommand->SetCandidates("wait discard");
  fpCommand->SetParameterName ("wait", omitable = true);
  fpCommand->SetDefaultValue ("wait");
}

G4VisCommandMultithreadingActionOnEventQueueFull::~G4VisCommandMultithreadingActionOnEventQueueFull()
{
  delete fpCommand;
}

G4String G4VisCommandMultithreadingActionOnEventQueueFull::GetCurrentValue(G4UIcommand*)
{
  return "";
}

void G4VisCommandMultithreadingActionOnEventQueueFull::SetNewValue(G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  if (newValue == "wait") {
    fpVisManager->SetWaitOnEventQueueFull(true);
  } else {
    fpVisManager->SetWaitOnEventQueueFull(false);
  }

  if (verbosity >= G4VisManager::confirmations) {
    G4cout <<
    "When event queue for drawing is full,";
    if (fpVisManager->GetWaitOnEventQueueFull()) {
      G4cout << " event processing will wait";
    } else {
      G4cout << " events will be discarded for drawing";
    }
    G4cout << G4endl;
  }
}


G4VisCommandMultithreadingMaxEventQueueSize::G4VisCommandMultithreadingMaxEventQueueSize()
{
  G4bool omitable;
  fpCommand = new G4UIcmdWithAnInteger("/vis/multithreading/maxEventQueueSize", this);
  fpCommand->SetGuidance
  ("Defines maximum event queue size. N <=0 means \"unlimited\".");
  fpCommand->SetGuidance
  ("If adding an event to the visualisation event queue would cause the"
   " queue size to exceed this value:");
  fpCommand->SetGuidance
  (" if actionOnEventQueueFull==wait the worker threads are paused for a short"
   " time to give the visualisation manager a chance to catch up.");
  fpCommand->SetGuidance
  (" if actionOnEventQueueFull==discard the event is discarded for drawing.");
  fpCommand->SetParameterName ("maxSize", omitable = true);
  fpCommand->SetDefaultValue (100);
}

G4VisCommandMultithreadingMaxEventQueueSize::~G4VisCommandMultithreadingMaxEventQueueSize()
{
  delete fpCommand;
}

G4String G4VisCommandMultithreadingMaxEventQueueSize::GetCurrentValue(G4UIcommand*)
{
  return "";
}

void G4VisCommandMultithreadingMaxEventQueueSize::SetNewValue(G4UIcommand*, G4String newValue)
{
  G4VisManager::Verbosity verbosity = fpVisManager->GetVerbosity();

  G4int maxEventQueueSize = fpCommand->GetNewIntValue(newValue);
  fpVisManager->SetMaxEventQueueSize(maxEventQueueSize);

  if (verbosity >= G4VisManager::confirmations) {
    G4cout <<
    "Maximum event queue size has been set to "
     << fpVisManager->GetMaxEventQueueSize()
     << G4endl;
  }
}

#endif