[Olsr-users] Broadcast Packets & Windows Routing

[Erik Tromp]

> -----Oorspronkelijk bericht-----
> Van: (spam-protected) 
> [mailto:(spam-protected)] Namens Roar Bjørgum Rotvik
> Verzonden: vrijdag 22 februari 2008 13:41
> Aan: (spam-protected)
> Onderwerp: Re: [Olsr-users] Broadcast Packets & Windows Routing
> 
> Erik Tromp wrote:
> >>> Using a polling mechanism to read the packets to be 
> forwarded would 
> >>> seriously impact the forwarding performance. Unless the 
> polling is 
> >>> done 1000 times/second, but that would monopolize the CPU.
> >> Who talks about polling ?
> >>
> >> just use a select() statement to wait until one of the sockets 
> >> receive a message.
> >>
> > 
> > Who? The current OLSR implementation. In the current OLSR plugin 
> > system the only possibility is to register your plugin 
> function with a 
> > polling time interval (olsr_register_scheduler_event).
> > 
> > The support for plugins to register their own packet handler is 
> > currently not in OLSR, or is it? Maybe I missed something there?
> 
> A plugin can use the function add_olsr_socket() (see 
> src/socket_parser.c) to add a socket and a callback function 
> so that the main event loop (select()?) in olsrd may call a 
> function in the plugin when data is available.
> 
> Is this what you asked for?


Yes, thanks! But .... it is also polling :-((

The call to 'olsr_select' inside 'poll_sockets' specifies a time-out of  struct timeval tvp = {0, 0};

Erik