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:
//     http://www.gnu.org/licenses/gpl.html
// or under the terms of the GNU Library license:
//     http://www.gnu.org/licenses/lgpl.html
// at your preference.  Those licenses describe your legal rights to this
// software, and no other rights or warranties apply.
// Please send updates for this code to: fred@gruntose.com -- Thanks, fred.
 
 
#include <application/hoople_main.h>
#include <application/command_line.h>
#include <application/singleton_application.h>
#include <basis/enhance_cpp.h>
#include <loggers/program_wide_logger.h>
#include <structures/static_memory_gremlin.h>
#include <unit_test/unit_base.h>
 
using namespace application;
using namespace basis;
using namespace loggers;
//using namespace processes;
using namespace structures;
using namespace unit_test;
 
const int CHECKING_INTERVAL = 4 * SECOND_ms;
  // this many milliseconds elapses between checks on shutdown conditions.
 
#define LOG(to_print) CLASS_EMERGENCY_LOG(program_wide_logger().get(), astring(to_print))
  // define a macro that will send diagnostic output to the app's logger.
 
 
class application_example : virtual public unit_base, virtual public application_shell
{
public:
  application_example();
  ~application_example();
 
  DEFINE_CLASS_NAME("application_example");
 
  bool already_running();
 
  virtual void handle_timer();
 
  virtual void handle_startup();
 
  virtual void handle_shutdown();
 
  virtual int execute();
 
  int print_instructions();
 
private:
  singleton_application _app_lock;  
};
 
 
application_example::application_example()
: application_shell(),
  _app_lock(static_class_name())
{}
 
application_example::~application_example()
{}
 
int application_example::print_instructions()
{
  FUNCDEF("print_instructions");
  LOG("no instructions at this time.");
  return 1;
}
 
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(_global_argc, _global_argv);
 
//hmmm: test for command line options that are supported.
 
  // make sure this app is not running already.
  if (already_running()) {
    return 0;
  }
 
//need anchor window online for this.
//  anchor_window::launch(*this, GET_INSTANCE_HANDLE(), class_name(), CHECKING_INTERVAL);
 
  ASSERT_EQUAL(astring(class_name()), astring("application_example"),
      "simple application name check");
 
  return final_report();
}
 
 
HOOPLE_MAIN(application_example, )