how can i get a complete proxy content?

[Maxim Dounin]

Hello!

On Mon, Mar 16, 2009 at 10:04:16PM +0800, pf shineyear wrote:

> hi
> 
> i try to get a complete proxy content  from a body filter like this:
> 
> struct ngx_chain_s *tmp_in = in;
> 
> while (tmp_in)
> {
>     len = tmp_in->buf->last - tmp_in->buf->pos;
> 
>     if (len <= 0)
>     {
>           if (tmp_in->next == NULL)break;
> 
>           tmp_in = tmp_in->next;
>           continue;
>     }
> 
>     // copy the buf to somewhere
> 
> 
>     if (tmp_in->next == NULL)
>     {
>         break;
>     }
> 
>     tmp_in = tmp_in->next;
> 
> }
> 
> if (tmp_in->buf->last_buf)
> {
>     //end of the buf
> }
> 
>  i set proxy_buffering off; but when i want to get a more little bigger file
> about 200KB
> 
> i always got len <= 0 buf , so can u tell me why ? and how to resolve that?

Buffers with (last - pos) <= 0 are prefectly normal, as there is 
much more than simple buffers with content in memory.  This 
include various special buffers and buffers with content in files.

Maxim Dounin