#!/usr/bin/env python3
from ctypes import *
import _ctypes

def c_parser(log_line):
    so_file = "lib/parser_lib.so"
    iptablesParser = CDLL(so_file)
    iptablesParser.iptablesParser.argtype = c_char_p
    iptablesParser.iptablesParser.restype = c_char_p

    iptablesParser.lineParser.argtype = c_char_p
    iptablesParser.lineParser.restype = c_char_p
    
    parser_arg = log_line.encode('utf-8')
    
    # c_return = iptablesParser.iptablesParser(parser_arg)
    c_return = iptablesParser.lineParser(parser_arg)

    _ctypes.dlclose(iptablesParser._handle)

    # iptablesParser.freeme(c_return)
    
    print()
    print("[ Return on Python ]"+"-"*50+"[+]")
    print(c_return.decode("utf-8"))
    print(c_return)

def file_pointer():
    f = open("/var/log/iptables.log", "r")
    i = 0
    for x in f:
        print()
        print("*"*100)
        print("SEQUENCE : ",i)
        print("*"*100)
        print(str(i)+" -> "+x)
        c_parser(str(x)) 
        if i >= 3:
            break
        i = i + 1

file_pointer()