Re: Listen/Notify?

Manlio Perillo ha scritto:
> [...]
> However you can just define a function for sending a packet via UDP to 
> registered listeners.
> 
> As an example:
> 
> _listeners = set()
> _socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
> 
> def register_listener(host, port):
>      _listeners.add((host, int(port)))
> 
> def send_notify(name):
>      packet = struct.pack('!H', len(name)) + name
>      for host, port in _listeners:
>          _socket.sendto(packet, (host, port))

Sorry.
With UDP there is no need to send the packet length:
           _sockect.sendto(name, (host, port)

> 
> conn = sqlite.connect(':memory:')
> conn.create_function('register_listener', 2, register_listener)
> conn.create_function('send_notify', 1, send_notify)
> 
> 
> 

Regards   Manlio Perillo