Re: more questions on co-routines and luasocket

[Matthew Wild <mwild1@...>]

On 26 September 2011 15:28, Thijs Schreijer <thijs@thijsschreijer.nl> wrote:
>

> Is this going to be solid? I used some code from and old post to make
> copas handle UDP sockets. Now what will luasocket do when data comes in
> while copas isn’t listening? (obviously the intermezzo is going to be as
> short as possible, but still...). Will luasocket buffer the data? And for
> UDP? I haven’t seen a possibility to set a buffersize somewhere in
> luasocket, so when will that run out?
>

The OS will buffer the data. How much data is dependent on the OS, and
its configuration. On Linux you can see the default buffer size with:
cat /proc/sys/net/ipv4/udp_rmem_min

If the buffer is full when a packet arrives that packet will typically
just be discarded (with UDP).

Regards,
Matthew