text: // Copyright (c) 2014-2018, The Monero Project
  // 
  // All rights reserved.
  // 
  // Redistribution and use in source and binary forms, with or without modification, are
  // permitted provided that the following conditions are met:
  // 
  // 1. Redistributions of source code must retain the above copyright notice, this list of
  //    conditions and the following disclaimer.
  // 
  // 2. 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.
  // 
  // 3. Neither the name of the copyright holder nor the names of its contributors may be
  //    used to endorse or promote products derived from this software without specific
  //    prior written permission.
  // 
  // 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, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY 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 "blocks/blocks.h"
  #include "cryptonote_core/cryptonote_core.h"
  #include "cryptonote_protocol/cryptonote_protocol_handler.h"
  #include "misc_log_ex.h"
  
  #undef MONERO_DEFAULT_LOG_CATEGORY
  #define MONERO_DEFAULT_LOG_CATEGORY "daemon"
  
  namespace daemonize
  {
  
  class t_core final
  {
  public:
    static void init_options(boost::program_options::options_description & option_spec)
    {
      cryptonote::core::init_options(option_spec);
    }
  private:
    typedef cryptonote::t_cryptonote_protocol_handler<cryptonote::core> t_protocol_raw;
    cryptonote::core m_core;
    // TEMPORARY HACK - Yes, this creates a copy, but otherwise the original
    // variable map could go out of scope before the run method is called
    boost::program_options::variables_map const m_vm_HACK;
  public:
    t_core(
        boost::program_options::variables_map const & vm
      )
      : m_core{nullptr}
      , m_vm_HACK{vm}
    {
    }
  
    // TODO - get rid of circular dependencies in internals
    void set_protocol(t_protocol_raw & protocol)
    {
      m_core.set_cryptonote_protocol(&protocol);
    }
  
    std::string get_config_subdir() const
    {
      bool testnet = command_line::get_arg(m_vm_HACK, cryptonote::arg_testnet_on);
      bool stagenet = command_line::get_arg(m_vm_HACK, cryptonote::arg_stagenet_on);
      bool mainnet = !testnet && !stagenet;
      std::string port = command_line::get_arg(m_vm_HACK, nodetool::arg_p2p_bind_port);
      if ((mainnet && port != std::to_string(::config::P2P_DEFAULT_PORT))
          || (testnet && port != std::to_string(::config::testnet::P2P_DEFAULT_PORT))
          || (stagenet && port != std::to_string(::config::stagenet::P2P_DEFAULT_PORT))) {
        return port;
      }
      return std::string();
    }
  
    bool run()
    {
      //initialize core here
      MGINFO("Initializing core...");
      std::string config_subdir = get_config_subdir();
  #if defined(PER_BLOCK_CHECKPOINT)
      const cryptonote::GetCheckpointsCallback& get_checkpoints = blocks::GetCheckpointsData;
  #else
      const cryptonote::GetCheckpointsCallback& get_checkpoints = nullptr;
  #endif
      if (!m_core.init(m_vm_HACK, config_subdir.empty() ? NULL : config_subdir.c_str(), nullptr, get_checkpoints))
      {
        return false;
      }
      MGINFO("Core initialized OK");
      return true;
    }
  
    cryptonote::core & get()
    {
      return m_core;
    }
  
    ~t_core()
    {
      MGINFO("Deinitializing core...");
      try {
        m_core.deinit();
        m_core.set_cryptonote_protocol(nullptr);
      } catch (...) {
        MERROR("Failed to deinitialize core...");
      }
    }
  };
  
  }
  