Re: [lwip-users] How to detect a FIN from the remote side

[address@hidden]

Marco Jakobs wrote:
> Hi Simon,
>
> i have seen this, but i'm not using the raw api
Sorry, my fault, didn't see that :-)
>  - which is also not 
> recommended in a multithread environment ...
Hmm, I wouldn't put it like that. If you want top speed, the raw API is 
your friend. But to many users, it's more complicated to write 
applications for (since you write a state machine, not sequential code).
>  so i asked for a way using 
> the "normal" API which is used in my server task.
>   
... and by "normal", I take it you mean the netconn API ;-)

The simple solution is: netconn_recv will return NULL and conn->err will 
be ERR_CLSD. Actually it's a bad limitation in the netconn API which 
will change with 1.4.0: netconn_recv will then return an err_t which 
will tell you it's closed.

Simon