Re: [lwip-users] file upload

[Heike Lepke]

err_t
http_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
  int i;
  struct http_state *hs;
  T_CHAR *pc_rq;
  hs = reinterpret_cast<http_state*>(arg);
  hs->file = hs->mem;

  if(err == ERR_OK && p != NULL)
  {

    /* Inform TCP that we have taken the data. */
    tcp_recved(pcb, p->tot_len);
    /* Send the data to the http-Server. */
	hs->left = 
reinterpret_cast<http_state*>(arg)->myServer->HandleRequest(static_cast<T_CHAR*>(p->payload),p->len,hs->file,BUFFER_SIZE);
...
###############################################################################################################################

In this function I get the pbuf p, with the p->len e.g. 600, but the 
real length of the data is 1400, whereby the data after the first 600 
bytes is the part of the file to upload.
The upload-file I can see in the p->payload+600 following.

Heike

Kieran Mansley schrieb:
> On Thu, 2007-03-08 at 15:33 +0100, Heike Lepke wrote:
> > Hi Kieran,
> >
> > I have set  tcp_recv(pcb, http_recv);
> > and in the http_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p,
> > err_t err)
> > -function I call tcp_recved(pcb, p->tot_len); to the passed tcp_pcb *pcb
>
> OK.
>
> > I see that for the packet which is mixed with the http-upload request
> > and the data the p->len is set just to the length of the http-upload
> > request in tcp_input(struct pbuf *p, struct netif *inp), the real
> > data-len is ignored. But it seems that the data is inside the received
> > p-payload, after the p->len. If an another data packets comes I don't
> > get it. Do I have the chance to call an another tcp-function to get the
> > missing data-packets?
>
> I'm afraid I don't understand what the problem is you're describing
> here.  Can you illustrate with the code you think is at fault?
>
> Kieran
>
>
>
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