InertMessageSvc.h

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* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include "MessageSvc.h"
#include <functional>
#include <memory>
#include <tbb/concurrent_queue.h>
#include <thread>
 
class InertMessageSvc : public MessageSvc {
public:
  using MessageSvc::MessageSvc;
 
  StatusCode initialize() override;
 
  StatusCode finalize() override;
 
  using MessageSvc::reportMessage;
 
  void reportMessage( const Message& msg ) override;
 
  void reportMessage( const Message& msg, int outputLevel ) override;
 
  void reportMessage( const StatusCode& code, std::string_view source = "" ) override;
 
private:
  void m_activate();
  void m_deactivate();
  bool m_isActive = false;
 
  tbb::concurrent_bounded_queue<std::function<void()>> m_messageActionsQueue;
 
  std::thread m_thread;
};