#!/usr/bin/env python3

from socket import *

server_port = 1234

server_socket = socket(AF_INET, SOCK_STREAM)
# server_socket.setsockopt(SOL_SOCKET, SO_REUSEADDR, 1)
server_socket.bind(("", server_port))
server_socket.listen(1)

print("READY")

while True:
    connection_socket, address = server_socket.accept()

    message = connection_socket.recv(1024)
    response = message.decode("UTF-8").upper()
    print("received: {}".format(message.decode("UTF-8")))
    connection_socket.send(response.encode("UTF-8"))
    connection_socket.close()