#include <unistd.h>
#include <fstream.h>
#include <string.h>
#include <stdio.h>
#include <iostream.h>
#include <stdlib.h>

int CheckAndSave (const char* name, 
		  const char* extension);

void panic (char* str);

main (int argc, char* argv[] )
{
  if (argc!=3) 
    {
       cout << "after4	<extension> <file>" << endl;
       exit (0);
    }	

  char *name = new char[30];
  char *name1 = new char[100];
  char *name2 = new char[100];
  char *string = new char[100];
  char *string2 = new char [100]; 
  char *extension = new char[4];

  extension = argv[1]; 
	
  char *command = new char[100];
  char *string1 = new char[101];
  char *ptr;

  ofstream  unsorted ("names_unsorted", ios::app);
  ofstream  stat ("stat", ios::app);
  FILE* in = fopen (argv[2], "rw");

  system ("wc -l stat >> dumb"); 
  ifstream dumb ("dumb"); 
  long StatOld; 
  dumb >> StatOld; 
  system ("rm dumb"); 

  long cnt = 0; 
  while (fgets(string,512,in))  
    {
      if (cnt++ < StatOld) continue; 


      // ----------------- check pppd -------------------
      sprintf (command, "ps -u root | grep pppd > dummy3");
      system (command);
      
      ifstream dummy3 ("dummy3");
      dummy3 >> string2;
      system ("rm dummy3"); 
      if (strlen (string2) < 1)  exit (0);

      // -------------------------------------------------

      int n = (int) (strstr (string, " ") - string);
      int m = (int) (strstr (string, "\n") - string);

      if (n > 0)
	{
	  strncpy (name, string, n);
	  name[n] = '\0';
	}
      else if (m > 0)
	{ 
	  strncpy (name, string, m);
	  name[m] = '\0';
	}
      else
        panic ("Unable to determine end of line");

      int result = CheckAndSave (name, 
		                 extension);
      
      if (result > 0)
	{
	    unsorted << name << endl; 
	}

      stat << name << endl; 

      strncpy (name, "                              ", 30);
      strncpy (name1, "                              ", 30);

    }	
  
  stat.close (); 
  unsorted.close();
  fclose (in);

  //  BubbleSort ();
}

// Check the name and add the name to the file 

int CheckAndSave (const char* name,
		  const char* extension)
{
  char *command = new char[200];
  char *name1 = new char[100];
  char *name2 = new char[100];
  int a = 0;

  system ("rm dummy*");

  sprintf (command,
          "lynx -dump %chttp://www.whois.corenic.net/cgi-bin/whois.cgi?query=%s.%s%c | grep %cis available%c > dummy",
           '"',
	   name,
	   extension,
	   '"', '"', '"');

  system (command);  	
  system ("wc -l dummy > dummy2");

  ifstream dummy2 ("dummy2");
  dummy2 >> a; 
  dummy2.close();  

  delete (command);
  return a;
}

void panic (char* str)
{
  cout << str << endl;
  exit (0);
}