#!/usr/bin/env python3

import socket
import os
import sys


ADDRESS = ('0.0.0.0', 12345)


def handle(client, addr):
    with client:
        while True:
            data = client.recv(1024)
            if data:
                client.sendall(data)
            else:
                print(f'Disconnected: {addr}')
                break


if __name__ == '__main__':
    if 'fork' not in dir(os):
        sys.exit('Sorry :(')

    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

    with server:
        server.bind(ADDRESS)
        server.listen(socket.SOMAXCONN)

        while True:
            (client, addr) = server.accept()
            print(f'Got client: {addr}')

            pid = os.fork()
            if pid:
                # parent
                client.close()
            else:
                # child
                server.close()
                handle(client, addr)
                break