Re: [lwip-users] Listen/Accept lwip 2.0.0

[Marcelo V]

> On May 4, 2017, at 10:44 AM, Marcelo V <address@hidden> wrote:
> 
> Hello,
> 
> I am implementing a small web-server using lwip 2.0.0 and it seems that the 
> TCP stack is accepting more connections than set by my listen call.
> In my use-case I have an webpage with HTML requesting many external resources 
> to be loaded. However, I want to only serve max of 4 requests simultaneously 
> (4 sessions) and “keep-alive” is disable (replies 200 OK with "connection: 
> close”).
> 
> However, as soon as my code replies the very first accepted connection then I 
> see my web browser issuing 8~10 GET’s even before I call accept again. 
> Wireshark shows those 8~10 connections each with their port number and the 
> entire GET had flown to the server.
> 
> It seems that the number of connections provided by the listen were ignored 
> and TCP is accepting and buffering all requests.
> 
> I browsed the bug track and I did not find anything being reported.
> 
> How can I prevent this?
> 
> Thanks in advance,
> Marcelo
> 
> 
> 
>