// Copyright © 2010-2013 sss
// 
// 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 program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//based on async_tcp_echo_server.cpp code by Christopher M. Kohlhoff (chris at kohlhoff dot com)

#include "headers.h"




extern "C" void handle_term(int i)
{
    remove("/var/run/restarter_server.pid");
    exit(1);
}


int main(int argc, char* argv[])
{
/*	if(geteuid()) //temporary disabled for debug
	{
	    std::cout<<"Program must be runned with root privilegies\n";
	    exit(EXIT_FAILURE);
	} */
	{
		std::ifstream in_pid;
		in_pid.open("/var/run/restarter_server.pid");
		if(in_pid.is_open() && in_pid.good())
		{
			char szpid[16];
			in_pid.read(szpid, 16);
			if(!strcmp(szpid, "0"))
				remove("/var/run/restarter_server.pid");
			else
			{
				std::string cmd = "kill ";
				for(int i = 0; i < 16 && szpid[i] != '\n' && szpid[i] != '\0'; i++)
					cmd.push_back(szpid[i]);
				system(cmd.c_str());
				remove("/var/run/restarter_server.pid");
			}
		}
	}
/*	pid_t pid; //temporary disabled for debug
	pid = fork();
	if(pid < 0)
	{
		std::cerr<<"Failed to fork\n";
		exit(EXIT_FAILURE);
	}
	if(pid > 0)
	{
		std::cerr<<"Successfuly forked\n";
		std::ofstream out;
		out.open("/var/run/restarter_server.pid");
		char szpid[16];
		snprintf(szpid, 15, "%d", pid);
		out<<pid<<"\n";
		out.close();
		exit(EXIT_SUCCESS);
	} */
	signal (SIGTERM, handle_term);
	
	load_modules();
	
  try
  {

    boost::asio::io_service io_service;

    server s(io_service, 1313);

    io_service.run();
  }
  catch (std::exception& e)
  {
    std::cerr << "Exception: " << e.what() << "\n";
  }

  return 0;
}