example_application.cpp

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/*****************************************************************************\
*                                                                             *
*  Name   : Simple Application Example                                        *
*  Author : Chris Koeritz                                                     *
*                                                                             *
*******************************************************************************
* Copyright (c) 2006-$now By Author.  This program is free software; you can  *
* redistribute it and/or modify it under the terms of the GNU General Public  *
* License as published by the Free Software Foundation; either version 2 of   *
* the License or (at your option) any later version.  This is online at:      *
*     http://www.fsf.org/copyleft/gpl.html                                    *
* Please send any updates to: fred@gruntose.com                               *
\*****************************************************************************/


#include <opsystem/application_shell.h>
#include <opsystem/command_line.h>
#include <loggers/console_logger.h>
#include <loggers/file_logger.h>
#include <opsystem/singleton_application.h>
#include <data_struct/static_memory_gremlin.h>
#include <processes/anchor_window.h>

const int CHECKING_INTERVAL = 4 * SECOND_ms;
  // this many milliseconds elapses between checks on shutdown conditions.

#define LOG(s) CLASS_EMERGENCY_LOG(program_wide_logger(), s)
  // define a macro that will send diagnostic output to the app's logger.


class application_example
 : public application_shell,  // base this application on our console version.
   public anchor_window  // support graceful shut down in this application.
{
public:
  application_example();
  ~application_example();

  IMPLEMENT_CLASS_NAME("application_example");

  bool already_running();

  virtual void handle_timer();

  virtual void handle_startup();

  virtual void handle_shutdown();

  virtual int execute();

  void print_instructions();

private:
  singleton_application _app_lock;  
};


application_example::application_example()
: application_shell(static_class_name()),
  _app_lock(static_class_name())
{}

application_example::~application_example()
{}

void application_example::handle_startup()
{
  FUNCDEF("handle_startup");
  LOG("starting up now.");
}

void application_example::handle_shutdown()
{
  FUNCDEF("handle_shutdown");
  LOG("shutting down now.");
}

void application_example::handle_timer()
{
  FUNCDEF("handle_timer");
  LOG("timer blip.");
}

bool application_example::already_running()
{ return _app_lock.already_running(); }

int application_example::execute()
{
  FUNCDEF("execute");
  command_line cmds(__argc, __argv);

//hmmm: test for command line options that are supported.

  // make sure this app is not running already.
  if (already_running()) {
    return 0;
  }

  anchor_window::launch(*this, GET_INSTANCE_HANDLE(), class_name(),
      CHECKING_INTERVAL);

  return 0;
}


HOOPLE_MAIN(application_example, )

#ifdef __BUILD_STATIC_APPLICATION__
  // static dependencies found by buildor_gen_deps.sh:
  #include <basis/array.cpp>
  #include <basis/byte_array.cpp>
  #include <basis/callstack_tracker.cpp>
  #include <basis/chaos.cpp>
  #include <basis/convert_utf.cpp>
  #include <basis/definitions.cpp>
  #include <basis/earth_time.cpp>
  #include <basis/guards.cpp>
  #include <basis/istring.cpp>
  #include <basis/log_base.cpp>
  #include <basis/memory_checker.cpp>
  #include <basis/mutex.cpp>
  #include <basis/object_base.cpp>
  #include <basis/outcome.cpp>
  #include <basis/packable.cpp>
  #include <basis/portable.cpp>
  #include <basis/sequence.cpp>
  #include <basis/set.cpp>
  #include <basis/utility.cpp>
  #include <basis/version_record.cpp>
  #include <data_struct/amorph.cpp>
  #include <data_struct/bit_vector.cpp>
  #include <data_struct/byte_hasher.cpp>
  #include <data_struct/configurator.cpp>
  #include <data_struct/hash_table.cpp>
  #include <data_struct/pointer_hash.cpp>
  #include <data_struct/stack.cpp>
  #include <data_struct/static_memory_gremlin.cpp>
  #include <data_struct/string_hash.cpp>
  #include <data_struct/string_hasher.cpp>
  #include <data_struct/string_table.cpp>
  #include <data_struct/symbol_table.cpp>
  #include <data_struct/table_configurator.cpp>
  #include <loggers/console_logger.cpp>
  #include <loggers/file_logger.cpp>
  #include <loggers/locked_logger.cpp>
  #include <loggers/null_logger.cpp>
  #include <loggers/program_wide_logger.cpp>
  #include <mechanisms/ithread.cpp>
  #include <mechanisms/time_stamp.cpp>
  #include <opsystem/application_base.cpp>
  #include <opsystem/application_shell.cpp>
  #include <opsystem/byte_filer.cpp>
  #include <opsystem/command_line.cpp>
  #include <opsystem/critical_events.cpp>
  #include <opsystem/directory.cpp>
  #include <opsystem/filename.cpp>
  #include <opsystem/ini_config.cpp>
  #include <opsystem/ini_parser.cpp>
  #include <opsystem/path_configuration.cpp>
  #include <opsystem/rendezvous.cpp>
  #include <opsystem/singleton_application.cpp>
  #include <opsystem/timer_driver.cpp>
  #include <processes/anchor_window.cpp>
  #include <processes/process_control.cpp>
  #include <processes/process_entry.cpp>
  #include <processes/shutdown_alerter.cpp>
  #include <textual/byte_format.cpp>
  #include <textual/parser_bits.cpp>
  #include <textual/string_manipulation.cpp>
  #include <textual/tokenizer.cpp>
#endif // __BUILD_STATIC_APPLICATION__

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