X-P2P优惠

import socket

def send_data(data, host, port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.connect((host, port))
        s.sendall(data.encode())

def receive_data(port):
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        s.bind(('0.0.0.0', port))
        s.listen()
        conn, addr = s.accept()
        with conn:
            data = conn.recv(1024)
            return data.decode()

# Example usage
if __name__ == "__main__":
    import threading
    
    def handle_client(client_socket):
        while True:
            data = client_socket.recv(1024)
            if not data:
                break
            print(f"Received: {data.decode()}")
            client_socket.sendall("ACK!".encode())
        client_socket.close()
    
    server_thread = threading.Thread(target=handle_client, args=(socket.socket(socket.AF_INET, socket.SOCK_STREAM),))
    server_thread.start()
    
    send_data("Hello, P2P!", '127.0.0.1', 12345)