Re: [hybi] WebSockets
Peter Keane <pkeane@mail.utexas.edu> Mon, 30 March 2009 21:57 UTC
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Date: Mon, 30 Mar 2009 16:58:21 -0500
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From: Peter Keane <pkeane@mail.utexas.edu>
To: Ian Hickson <ian@hixie.ch>
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Subject: Re: [hybi] WebSockets
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I am not really sure if this fits in with the goals here or not, but the functionality I am interested in is a method for doing batch processes, e.g., uploading a directory full of images to a web server. I'd like to be able to have the client register a URL with the server, at which point the server can perform a get at that URL, which returns a list of items (essentially a directory listing), and GETs each one. I have implemented ths with success using the Firefox Plain Old Webserver (POW) plugin. I simply configure POW to have a local directory as Doc root. It's then easy to do large uploads (really reverse GET) for many files very quickly (of course I have an HTTP client like CURL on the actual server to do the GETs). I could imagine a standard mechanism to do this sort of thing very handy. --peter keane On Mon, Mar 30, 2009 at 4:34 PM, Ian Hickson <ian@hixie.ch> wrote: > > The goal of the WebSocket work is to provide two-way communication from a > Web page in a clean way. The requirements that I collected for this effort > over the past few years are: > > - The ability for Web pages to send arbitrary text to the server from a > script in a Web page, in the form of ordered discrete blocks. > > - The ability for Web servers to send arbitrary text to a Web page that > has established a connection, in the form of ordered discrete blocks. > > - Text messages should support all of Unicode. > > - The protocol should support running over ports 80 and 443, ideally > with the ability to share the port on the server with an HTTP server. > > - It must be possible to implement a fully-conforming server-side > component for this in a few dozen lines of scripting code, in the case > where sharing the connection with an HTTP server isn't required. > > - The must be extensible so that it can be extended to support binary > data and structured data in both directions in the future, without > breaking deployments from the first generation. > > - It must not be possible for the mechanism to be used to successfully > connect to existing servers and send them arbitrary commands. In > particular, SMTP, HTTP, HTTPS, IMAP, POP, and similar protocols must be > safe from this. > > - It must be possible to connect to arbitrary remote hosts, but > connections to these hosts must only be allowed if the remote host > explicitly opts in to allowing that Web page to connect (ideally using > the 'origin' convention). > > I would be interested in any suggestions people may have along these > lines. Are there existing protocols that satisfy these requirements? Are > there requirements I have missed? Are there requirements that people think > should not be met? > > There is a strawman proposal here: > > http://www.ietf.org/internet-drafts/draft-hixie-thewebsocketprotocol > http://dev.w3.org/html5/websockets/ > > Comments welcome. > > -- > Ian Hickson U+1047E )\._.,--....,'``. fL > http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. > Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.' > _______________________________________________ > hybi mailing list > hybi@ietf.org > https://www.ietf.org/mailman/listinfo/hybi >
- [hybi] WebSockets Ian Hickson
- Re: [hybi] WebSockets Peter Keane
- Re: [hybi] WebSockets Edward Z. Yang
- Re: [hybi] WebSockets Ian Hickson
- Re: [hybi] WebSockets Roy T. Fielding
- Re: [hybi] WebSockets Peter Saint-Andre
- Re: [hybi] WebSockets Ian Hickson
- Re: [hybi] WebSockets Roy T. Fielding
- Re: [hybi] WebSockets Ian Hickson
- Re: [hybi] WebSockets Roy T. Fielding
- Re: [hybi] WebSockets Ian Hickson
- Re: [hybi] WebSockets Sylvain Hellegouarch