text: // Copyright (c) 2014-2019, 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.
  #include "wallet/wallet_args.h"
  
  #include <boost/filesystem/path.hpp>
  #include <boost/filesystem/operations.hpp>
  #include <boost/format.hpp>
  #include "common/i18n.h"
  #include "common/util.h"
  #include "misc_log_ex.h"
  #include "string_tools.h"
  #include "version.h"
  
  #if defined(WIN32)
  #include <crtdbg.h>
  #endif
  
  #undef MONERO_DEFAULT_LOG_CATEGORY
  #define MONERO_DEFAULT_LOG_CATEGORY "wallet.wallet2"
  
  // workaround for a suspected bug in pthread/kernel on MacOS X
  #ifdef __APPLE__
  #define DEFAULT_MAX_CONCURRENCY 1
  #else
  #define DEFAULT_MAX_CONCURRENCY 0
  #endif
  
  namespace
  {
    class Print
    {
    public:
      Print(const std::function<void(const std::string&, bool)> &p, bool em = false): print(p), emphasis(em) {}
      ~Print() { print(ss.str(), emphasis); }
      template<typename T> std::ostream &operator<<(const T &t) { ss << t; return ss; }
    private:
      const std::function<void(const std::string&, bool)> &print;
      std::stringstream ss;
      bool emphasis;
    };
  }
  
  namespace wallet_args
  {
    // Create on-demand to prevent static initialization order fiasco issues.
    command_line::arg_descriptor<std::string> arg_generate_from_json()
    {
      return {"generate-from-json", wallet_args::tr("Generate wallet from JSON format file"), ""};
    }
    command_line::arg_descriptor<std::string> arg_wallet_file()
    {
      return {"wallet-file", wallet_args::tr("Use wallet <arg>"), ""};
    }
    command_line::arg_descriptor<std::string> arg_rpc_client_secret_key()
    {
      return {"rpc-client-secret-key", wallet_args::tr("Set RPC client secret key for RPC payments"), ""};
    }
  
    const char* tr(const char* str)
    {
      return i18n_translate(str, "wallet_args");
    }
  
    std::pair<boost::optional<boost::program_options::variables_map>, bool> main(
      int argc, char** argv,
      const char* const usage,
      const char* const notice,
      boost::program_options::options_description desc_params,
      const boost::program_options::positional_options_description& positional_options,
      const std::function<void(const std::string&, bool)> &print,
      const char *default_log_name,
      bool log_to_console)
    
    {
      namespace bf = boost::filesystem;
      namespace po = boost::program_options;
  #ifdef WIN32
      _CrtSetDbgFlag ( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
  #endif
  
      const command_line::arg_descriptor<std::string> arg_log_level = {"log-level", "0-4 or categories", ""};
      const command_line::arg_descriptor<std::size_t> arg_max_log_file_size = {"max-log-file-size", "Specify maximum log file size [B]", MAX_LOG_FILE_SIZE};
      const command_line::arg_descriptor<std::size_t> arg_max_log_files = {"max-log-files", "Specify maximum number of rotated log files to be saved (no limit by setting to 0)", MAX_LOG_FILES};
      const command_line::arg_descriptor<uint32_t> arg_max_concurrency = {"max-concurrency", wallet_args::tr("Max number of threads to use for a parallel job"), DEFAULT_MAX_CONCURRENCY};
      const command_line::arg_descriptor<std::string> arg_log_file = {"log-file", wallet_args::tr("Specify log file"), ""};
      const command_line::arg_descriptor<std::string> arg_config_file = {"config-file", wallet_args::tr("Config file"), "", true};
  
  
      std::string lang = i18n_get_language();
      tools::on_startup();
  #ifdef NDEBUG
      tools::disable_core_dumps();
  #endif
      tools::set_strict_default_file_permissions(true);
  
      epee::string_tools::set_module_name_and_folder(argv[0]);
  
      po::options_description desc_general(wallet_args::tr("General options"));
      command_line::add_arg(desc_general, command_line::arg_help);
      command_line::add_arg(desc_general, command_line::arg_version);
  
      command_line::add_arg(desc_params, arg_log_file);
      command_line::add_arg(desc_params, arg_log_level);
      command_line::add_arg(desc_params, arg_max_log_file_size);
      command_line::add_arg(desc_params, arg_max_log_files);
      command_line::add_arg(desc_params, arg_max_concurrency);
      command_line::add_arg(desc_params, arg_config_file);
  
      i18n_set_language("translations", "bittubecash", lang);
  
      po::options_description desc_all;
      desc_all.add(desc_general).add(desc_params);
      po::variables_map vm;
      bool should_terminate = false;
      bool r = command_line::handle_error_helper(desc_all, [&]()
      {
        auto parser = po::command_line_parser(argc, argv).options(desc_all).positional(positional_options);
        po::store(parser.run(), vm);
  
        if (command_line::get_arg(vm, command_line::arg_help))
        {
          Print(print) << "BitTubeCash '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")" << ENDL;
          Print(print) << wallet_args::tr("This is the command line BitTubeCash wallet. It needs to connect to a BitTubeCash\n"
  												  "daemon to work correctly.") << ENDL;
          Print(print) << wallet_args::tr("Usage:") << ENDL << "  " << usage;
          Print(print) << desc_all;
          should_terminate = true;
          return true;
        }
        else if (command_line::get_arg(vm, command_line::arg_version))
        {
          Print(print) << "BitTubeCash '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")";
          should_terminate = true;
          return true;
        }
  
        if(command_line::has_arg(vm, arg_config_file))
        {
          std::string config = command_line::get_arg(vm, arg_config_file);
          bf::path config_path(config);
          boost::system::error_code ec;
          if (bf::exists(config_path, ec))
          {
            po::store(po::parse_config_file<char>(config_path.string<std::string>().c_str(), desc_params), vm);
          }
          else
          {
            MERROR(wallet_args::tr("Can't find config file ") << config);
            return false;
          }
        }
  
        po::notify(vm);
        return true;
      });
      if (!r)
        return {boost::none, true};
  
      if (should_terminate)
        return {std::move(vm), should_terminate};
  
      std::string log_path;
      if (!command_line::is_arg_defaulted(vm, arg_log_file))
        log_path = command_line::get_arg(vm, arg_log_file);
      else
        log_path = mlog_get_default_log_path(default_log_name);
      mlog_configure(log_path, log_to_console, command_line::get_arg(vm, arg_max_log_file_size), command_line::get_arg(vm, arg_max_log_files));
      if (!command_line::is_arg_defaulted(vm, arg_log_level))
      {
        mlog_set_log(command_line::get_arg(vm, arg_log_level).c_str());
      }
      else if (!log_to_console)
      {
        mlog_set_categories("");
      }
  
      if (notice)
        Print(print) << notice << ENDL;
  
      if (!command_line::is_arg_defaulted(vm, arg_max_concurrency))
        tools::set_max_concurrency(command_line::get_arg(vm, arg_max_concurrency));
  
      Print(print) << "BitTubeCash '" << MONERO_RELEASE_NAME << "' (v" << MONERO_VERSION_FULL << ")";
  
      if (!command_line::is_arg_defaulted(vm, arg_log_level))
        MINFO("Setting log level = " << command_line::get_arg(vm, arg_log_level));
      else
      {
        const char *logs = getenv("BITTUBECASH_LOGS");
        MINFO("Setting log levels = " << (logs ? logs : "<default>"));
      }
      MINFO(wallet_args::tr("Logging to: ") << log_path);
  
      Print(print) << boost::format(wallet_args::tr("Logging to %s")) % log_path;
  
      const ssize_t lockable_memory = tools::get_lockable_memory();
      if (lockable_memory >= 0 && lockable_memory < 256 * 4096) // 256 pages -> at least 256 secret keys and other such small/medium objects
        Print(print) << tr("WARNING: You may not have a high enough lockable memory limit")
  #ifdef ELPP_OS_UNIX
          << ", " << tr("see ulimit -l")
  #endif
          ;
  
      return {std::move(vm), should_terminate};
    }
  }
  