import socket

SOCKET = socket.socket()
HOST = socket.gethostname()
PORT = 45670

SOCKET.bind((HOST, PORT))
SOCKET.listen()


while True:
    (connection, addr) = SOCKET.accept()
    print("Server: " + addr[0] + "    Port: " + str(addr[1]))

    while True:
        eingabe = connection.recv(1024)

        msg = eingabe.decode("utf-8")
        msg = msg.upper()

        print(msg)

        if msg == "STOP":
            break

        connection.send(msg.encode("utf-8"))

    connection.close()

SOCKET.close()