tcp_server.py

import socket
import threading

bind_ip = "0.0.0.0"
bind_port = 9999

server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# bind the server
server.bind((bind_ip, bind_port))

# server, please listen to me
server.listen(5)

# output server status
print("[*] Listening on %s:%d" % (bind_ip, bind_port))

# send back a packet
def handle_client(client_socket):

    # print out what the client needs
    request = client_socket.recv(1024)

    print("[*] Received: %s" % request)
    # send back a packet
    client_socket.send("ACK!".encode())

    client_socket.close()

while True:

    client, addr = server.accept()

    print("[*] Accepted connection from: %s:%d" % (addr[0],addr[1]))

    # spin up our client thread to handle incoming data
    client_handler = threading.Thread(target=handle_client,args=(client,))
    client_handler.start()