#!/usr/bin/env python3

import socket

# socket heeft een listening and accept method

SERVER = "127.0.0.1" #dynamisch fixen in project
PORT = 5055
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

ADDR = (SERVER, PORT) # hier wordt de socket gebonden aan mijn IP adres, dit moet wel anders
server.bind(ADDR) # in het project gebeuren

HEADER = 64 # maximum size messages
FORMAT = 'utf-8' # recieving images through this format does not work
DISCONNECT_MESSAGE = "DISCONNECT!" # special message for disconnecting client and server

# function for starting server
def start():
    pass
    server.listen()
    while True: # infinite loop in which server accept incoming connections, we want to run it forever
        conn, addr = server.accept() # Server blocks untill a client connects
        print("new connection: ", addr[0], " connected.")
        connected = True
        while connected: # while client is connected, we want to recieve messages
            msg = conn.recv(HEADER).decode(FORMAT).rstrip() # Argument is maximum size of msg (in project look into details of accp), decode is for converting bytes to strings, rstrip is for stripping messages for special hidden characters
            print("message: ", msg)
            if msg == DISCONNECT_MESSAGE:
                connected = False
        print("close connection ", addr[0], " disconnected.")
        conn.close()

print("server is starting ... ")
start()