#!/usr/bin/python3.12

import os
import socket
import logging


MAX_REQLINE = 64 * 1024

def service_connections(conn, addr):
    recv_file = conn.makefile("rb")

    logging.debug("START RECV")
    raw = recv_file.readline(MAX_REQLINE + 1)
    logging.debug("END RDLINE")
    if len(raw) > MAX_REQLINE:
        logging.debug("Request line is too long")
        return

    req_line = raw.decode().rstrip("\r\n")

    words = req_line.split(" ")

    if len(words) != 3:
        logging.debug("Request head too long")
        return

    if words[0] == "GET":
        logging.debug("SEND")
        conn.send(b"HTTP/1.1 200 OK\r\nServer: cnserv\r\n\r\nNone")
        logging.debug("SENDEND")
        conn.close()
        logging.debug("CONNEND")



if __name__ == "__main__":
    logging.basicConfig(filename="main.log", filemode="w", encoding="UTF-8",
        level=logging.DEBUG)

    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as main_server_socket:
        main_server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, True)
        main_server_socket.bind(("0.0.0.0", 8080))
        main_server_socket.listen()

        while True:
            conn, addr = main_server_socket.accept()
            conn.settimeout(1)
            logging.info("Accept connection from %s", addr[0])

            pid = os.fork()

            if pid == 0:
                service_connections(conn, addr)