#!/usr/bin/env python3
from socket import *
from subprocess import getoutput
from time import sleep

# Create a socket.  This doesn't open a port or anything yet
# Parameters:
#   AF_INET is ipv4, AF_INET6
#   SOCK_STREAM means TCP, SOCK_DGRAM would be UDP
our_socket = socket(AF_INET, SOCK_STREAM)
# Bind is only for servers, not client 
# clients call connect instead
# Still doesn't open it, although we have an address
# Double parenthesis = 1 argument which is a tuple
our_socket.bind(("0.0.0.0", 5109))

# Actually opens the port
# Argument is a queue of connections to accept
our_socket.listen(5)

while True:
    client_socket, client_address = our_socket.accept()
    print("We got a new connection from:  ", client_address[0], client_address[1])
    key = client_socket.recv(65).decode("utf-8").strip()
    print("The client sent us:  ", key)
    client_socket.close()
    current_key = getoutput("echo caterpiller" + getoutput("date +%d%h%m%Y") + " | sha256sum | sed 's/-//g'").strip()
    print("current_key = ", current_key)
    if(key == current_key):
        getoutput("echo " + client_address[0] + " > ip_storage_file")
    sleep(60 * 60)

our_socket.close()