Re: [lwip-users] Incomplete TCP packet reception

[Mike Kleshov]

> So, in the case of the HTTP capture you provided, there is a request
> header telling you "Content-Length: 36".  This tells you that after
> the end of the headers (i.e. after the blank line), you should expect
> another 36 bytes of data.  You need to wait for those bytes to come in
> before considering the request complete, even though they may not be
> present in the same pbuf.

Moreover, the number 36 is not definitive. The browser might close
connection before sending all the 36 bytes. Or it could send more, if
it's a hacker pretending to be a browser and looking for
vulnerabilities in the code. The application should be prepared for
that.