import socket
import time

def broadcast_chat():

    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    

    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
    
    sock.bind(('0.0.0.0', 10001))
        
    while True:

        sock.settimeout(0.5)  
        try:
            data, addr = sock.recvfrom(1024)
            print(f"\n[Сообщение от {addr[0]}] {data.decode()}")
        except socket.timeout:
            pass  
        

        try:
         
            message = input("Ваше сообщение: ")
            
            if message.lower() == 'exit':
                print("Выход из чата...")
                break
                

            sock.sendto(message.encode(), ('255.255.255.255', 10001))
            print(f"[Вы отправили] {message}")
            
        except KeyboardInterrupt:
            print("\nВыход...")
            break
    
    sock.close()

if name == "main":
    broadcast_chat()