- From: Ian Hickson <ian@hixie.ch>
- Date: Thu, 18 Aug 2011 22:33:01 +0000 (UTC)
- To: Jonas Sicking <jonas@sicking.cc>
- cc: Chris Rogers <crogers@google.com>, Webapps WG <public-webapps@w3.org>
On Thu, 18 Aug 2011, Jonas Sicking wrote: > On Thu, Aug 18, 2011 at 1:16 PM, Ian Hickson <ian@hixie.ch> wrote: > > On Wed, 17 Aug 2011, Chris Rogers wrote: > >> > >> Also, it would be good to get Ian's opinion about this since he's > >> working on similar stuff with Web Sockets. > > > > Right now WebSockets only works with complete messages, there's no > > streaming support. I suspect that if we add streaming support to the > > protocol and the API, it'll be exposed as some sort of Stream object, > > which would then have a way to get the data out of it in chunked form, > > maybe a growing list of ArrayBuffers or something. I haven't looked at > > it in detail yet. > > > > There would probably be some relationship to MediaStream, too; roc may > > have an opinion on this topic, as he has spoken about it before. > > What we're talking about here isn't really "streaming" as much as > "chunked". The equivalent feature would be to be able to incrementally > get data as a large websocket message was delivered. > > The usecase would be something like supporting incremental rendering of > attachments, even when the attachment is sent as a single websocket > message. > > However I think it's a bit early to start talking about this feature for > websockets. The websocket API doesn't even have support for progress > events for individual messages. And even the basic API is still far from > widely deployed in browsers. > > It's also less important since you can always support the use case by > chunking up the attachment into several websocket messages, and > reassemble them manually in the client. This is more work, but should > work. Indeed. I've no current intention of addressing this in WebSockets. -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Thursday, 18 August 2011 22:34:01 UTC