If you must use HTTP then building streaming over XML-RPC as Paul suggests is an appropriate thing to do. If HTTP isn't necessarily mandated then you should investigate BEEP, www.beepcore.org, as a mechanism for defining a protocol that meets your application's bulk data transfer requirements.
... WkH --- Paul Libbrecht <[EMAIL PROTECTED]> wrote: > No, no, no and no ! > (I should be make some nuances though) > > The XML-RPC specification experessedly specify that > the Content-Length > of the XML-RPC message is part of the header so, > unless you are doing it > in special cases where you would know the size in > advance (and would > then need to modify the current library), it is not > possible. > > Stop, don't be scandalized like I was the first time > I read this. > There's half a ton of good reasons you do want to > know this size in > advance. > For example, to allocate buffers for easier parsing. > But also to master > resources in general. Still looks like a pity ?? > Second you would need the complete API to be changed > to support > streaming progress monitoring, so the great simple > execute(String > methodName, Vector params) would no more be true > (and the even easier > direct calls to an object would also be impossible). > You would need some > delicate objects instead. > XML-RPC is simple and that makes its strength !! > (simply compare the number of implementations for > XML-RPC to the ones > for SOAP) > > Well... why not, simply build streaming ON TOP of > XML-RPC ?? > That is the way to go, believe me. > You request a URL to start sending your chunks. > You then send each of your chunks to this URL (which > presumably calls > another method that makes the storage, processing > and monitoring of the > calls) and call the close method. > Advantages ? If only half of the data is through, it > may be usable. > Better resource control and... > > This should definitely be in some FAQ. > This together with an answer to the question "Why > can't I put some XML > in the middle of an XML-RPC call if not as a string > ?". > > Paul > > > > On Mercredi, mars 6, 2002, at 05:44 , Alain K wrote: > > > Hello, > > > > Is it possible to send large data via xmlrpc > without > > loading everything into memory first using some > kind > > of streaming mecanism. > > > > Thanks for your help. > > > > Alain. > > > > > ___________________________________________________________ > > Do You Yahoo!? -- Une adresse @yahoo.fr gratuite > et en français ! > > Yahoo! Mail : http://fr.mail.yahoo.com > > > __________________________________________________ Do You Yahoo!? Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/
