SoDaThreadRegistry.hxx

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/*
Copyright (c) 2019, 2025 Matthew H. Reilly (kb1vc)
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
 
    Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
    Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
 
#include "SoDaBase.hxx"
#include "SoDaThread.hxx"
#include "Debug.hxx"
#include <functional>

 
#include <list>
 
namespace SoDa { 
  class ThreadRegistry;
  typedef std::shared_ptr<ThreadRegistry> ThreadRegistryPtr;
  
  class ThreadRegistry  {
  public:
 
    static ThreadRegistryPtr getRegistrar();

    static void addThread(SoDa::ThreadPtr thread, const std::string & version);
    
    static void apply(std::function<bool(SoDa::ThreadPtr)> f);
 
    static void subscribeThreads(const std::vector<SoDa::MailBoxBasePtr> & mailboxes); 
    static void startThreads();
    static void joinThreads();
    static void shutDownThreads();
    
  private:
    void priv_addThread(SoDa::ThreadPtr thread, const std::string & version);
    
    void priv_apply(std::function<bool(SoDa::ThreadPtr)> f);
 
    void priv_subscribeThreads(const std::vector<SoDa::MailBoxBasePtr> & mailboxes); 
    void priv_startThreads();
    void priv_joinThreads();
    void priv_shutDownThreads();
 
  private:
    ThreadRegistry() { }    
 
    std::vector<SoDa::ThreadPtr> thread_list;
    static ThreadRegistryPtr registrar; 
  };
}