Re: [Mldonkey-users] Gui Protocol Question [2]

[Mathias]

Aloha,

Am Dienstag, 30. September 2003 16:08 schrieb Petter E. Stokke:

> On Mon, 2003-09-29 at 23:38, Mathias wrote:

> > is it possible that the mldonkey-gui-protocol is some
> > kind of chaos-protocol?
> >
> > i mean something like:
> >
> > core tells us 1000 of things, and the gui has to react on
> > each message from the core?
> >
> > i cant image that it talks with a protocol like
> >
> > while (connected) {
> >   ask question to core
> >   get answer from core
> > }
> >
> > is that true?
>
> Pretty much. The GUI protocol is just that - it's designed for use with
> an external GUI. It's not a utility protocol. In essence, it works a lot
> like the IRC protocol - you send commands to it, you get a lot of data
> from it, but there's not really any way of matching data you receive to
> commands you send. Usually a command produces a result, but the result
> isn't easily recognisable as such, and especially there's no guarantee
> it will be the first packet you receive after sending the command
> packet. The user, however, usually notices that the expected effect
> occurs (or fails to) after issuing a command.
>
> This works pretty well for the purpose it was intended - implementing a
> real-time external GUI (or a simple status display, using the poll
> extension) - but not for much else. If you want a command/response based
> protocol, I'm afraid you're stuck with the telnet interface, or the HTTP
> interface.

Ah ok .... now i understand why i dont get what i expect :)

Problem was, that i wanted to program a php API to the gui-Protocol, but
under that circumstances it isnt possible (without an externel "proxy"
which listens to all data from the core and answers requests for spcecific
data for clients).

Thanks,

Mathias