#!/usr/bin/env python
# -*- coding: utf-8 -*-

import scapy.all as scapy
import scapy.contrib.modbus as mb

valeursPropres={}
valeursPasPropres=[]
machin=["","",""]

def decode(pkt):
    prt=0
    cle=["",""]
    f=open("truc.txt","w")
    if "ModbusADU" in pkt:
        grPkt=pkt["ModbusADU"].show(dump=True)
        lPkt=grPkt.splitlines()
        for i in lPkt:
            if "Addr" in i:
                print(i)
                addresse=i[17:]
                cle[1]=addresse
                machin[1]=addresse
            if "Write" in i or "Read" in i:
                print(i)
                if "Coil" in i:
                    cle[0]="C"
                    machin[0]="C"
                else:
                    cle[0]="R"
                    machin[0]="R"
            if "Value" in i or "coilStatus" in i or "registerVal" in i:
                print(i)
                machin[2] = i[-5:]
    if "" not in machin:
        print(machin)

scapy.sniff(iface="lo", prn=decode)