Re: Partial file shating!!

--- In [email protected], Raphael_Manfredi@... wrote:
>
> Quoting rakesh <rakeshsonii@...> from ml.gnutella.dev-forum:
> :Thanks Raphael
> :For Gnutella as per "Partial File Sharing Protocol Version (PFSP)
1.0",The client
> :requests the range it wants using the Range header.
> :
> :Range: bytes=0- means the client wants any ranges the server can
provide.
> 
> The PFSP specs are in error.  The above simply means you're
requesting the whole
> file.  So this Range: header is ignored and that's why you don't get
a 206.
> 
> :The issue is - I want to know all the parts of a file that peer
share. For that I
> :request with "Range: bytes=0-", but none of the peer respond with
206 and
> :"X-Available-Ranges: " headers.
> :
> :They respond with 206 only when I specify random range in the
"Range:" headers.
> :That requires a range in Range header which is not known at the
time of request.
> :
> :How we can know the all the shared parts of files?
> 
> You assume the file is complete and request what you need.  Then if
the range
> is not available, you'll get a 416 and the X-Available-Range: header
will tell
> you which parts can be requested.  Good servents will keep the
connection open
> on a 416, so you may retry one of the advertised ranges, if any
suits you.
> 
> Raphael
>


can't you just simply use "HEAD" command, instead of "GET" for getting
status?