// ndppd - NDP Proxy Daemon
// Copyright (C) 2011  Daniel Adolfsson <daniel.adolfsson@tuhox.com>
//
// 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 3 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, see <http://www.gnu.org/licenses/>.

#include <iostream>
#include <string>

#include <getopt.h>
#include <sys/time.h>

#include "ndppd.h"

#include "iface.h"
#include "proxy.h"
#include "rule.h"
#include "session.h"

using namespace ndppd;

int main(int argc, char *argv[], char *env[])
{
   std::string config_path("/etc/ndppd.conf");

   std::cout << "ndppd - NDP Proxy Daemon" << std::endl;
   std::cout << "Version " NDPPD_VERSION << std::endl;

   while(1)
   {
      int c, opt;

      static struct option long_options[] =
      {
         { "config", 1, 0, 'c' },
         { 0, 0, 0, 0}
      };

      c = getopt_long(argc, argv, "c:v", long_options, &opt);

      if(c == -1)
         break;

      switch(c)
      {
      case 'c':
         if(!optarg)
         {
            ERR("Invalid arguments");
            return -1;
         }

         config_path = optarg;
      }
   }

   NFO("Using configuration file '%s'", config_path.c_str());

   if(!conf::load(config_path))
      return -1;


   struct timeval t1, t2;

   gettimeofday(&t1, 0);

   while(iface::poll_all() >= 0)
   {
      int elapsed_time;
      gettimeofday(&t2, 0);

      elapsed_time =
         ((t2.tv_sec  - t1.tv_sec)  * 1000) +
         ((t2.tv_usec - t1.tv_usec) / 1000);

      t1.tv_sec  = t2.tv_sec;
      t1.tv_usec = t2.tv_usec;

      session::update_all(elapsed_time);
   }

   return 0;
}