Hi
For example I need to check the send buffer size (e.i. SO_SNDBUF) which is
not implemented options.
Regards

On Wed, Mar 7, 2018 at 10:55 AM, Mattia Settin <mattia.set...@gmail.com>
wrote:

> Hi
> Yes you are right but I don't need to touch the pcb, just some check on
> the pcb.
> getpeername  stores the address of the peer that is connected socket (it
> dosen't return the pcb structure).
> Which is the api for retrive the connection tcp data for a certain socket ?
> Thanks
> reagards
> m
>
>
> On Wed, Mar 7, 2018 at 10:26 AM, Jens Nielsen <d...@telia.com> wrote:
>
>> Hi
>>
>> The short answer is: don't. If you're using the socket api you're not
>> touching the pcb.
>>
>> What do you really want to do?  There are basically two options here
>>
>> a) Just like your question about getpeername, there's an api for that.
>> Google is your friend.
>> or
>> b) Since the beginning of time people have managed without it, in which
>> case you're probably doing something weird and you're probably on your own
>>
>> BR /Jens
>>
>>
>> On 2018-03-07 10:07, Mattia Settin wrote:
>>
>> Dear all
>> I developing an application wih lwip 2.0.3 using socket bsd.
>> The tcp server performs the following operation:
>> s = socket()
>> bind
>> accept //wait a new connection
>> read  //packet received
>>
>> I need to perform some check on the pcb data of my socket.
>> I note the get_socket is defined as static and the get_sockopt do not
>> return all data I need.
>> I solve adding following function in socket.c:
>> struct tcp_pcb * lwip_getsockpcb(int s)
>> {
>>   struct lwip_sock *sock = get_socket(s);
>>   if (!sock) {
>>     return NULL;
>>   }
>>   return sock->conn->pcb.tcp;
>> }
>>
>> My question is:
>> how can acces to the tcp_pcb of my socket with out modify the library ?
>> Which is the smart way ?
>> Thank all
>> regard
>>
>>
>> --
>> Mattia Settin
>> Software and System Engineer
>>
>>
>>
>>
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>>
>>
>>
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>
>
>
> --
> Mattia Settin
> Software and System Engineer
>
>
>


-- 
Mattia Settin
Software and System Engineer
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