[REBOL] Re: Commercial-quality REBOL programmers needed
From: reffy:ulrich at: 16-Aug-2002 9:13
> >1. Standard protocol framework:
> >
> > What does this mean?
> >
> What is more though - you have tcp family protocols, but is that
> sufficient? You want to communicate, right? You want two machines talk
> one to each other?
>
>Great, so you have to build kind of a client, and
> server. But then you want probably your server to understand some
> commands? OK, so you build protocol, for your server communication. But
> - that protocol will be probably useless for anyone else. So, I can
> imagine tool, which will serve as communication matrix, dispatcher, call
> it whatever. It should allow to:
> - bind protocols on certain ports
> - define callbacks for certain kind of events happening on port .... eg.
> on-length, on-char-received, etc.
> - define handlers
> - define amount of child processes to be started (we have no threading yet)
> - be dynamic. I don't accept anything not being able to dynamically
> bind, unbind stuff at runtime, without the restart.
> - watch the status - monitor
>
> So - if such framework would exist, if it would be good enough, most ppl
> would concentrate upon it, and build stuff for it = central starting
> base, unification, consistency. It should imo also become native part of
> Rebol distribution.
> Cheers,
> -pekr-
Sometimes, even I amaze myself at how slow I am when immersing into a new world so to
speak. Let me say this:
USER PROFILE: Information about users to provide capability to restrict.
SYSTEM CONFIGURATION INFORMATION: An RDBMS centralized repository of information which
results from the implementation of systems and their components. The information object
types/nodes can consist of (but not limited to) these conceptual artefacts AP, JC, DT,
EM, UI, JI, JN, RM, JE. Each named node of the preceding object types contains information
as to its physical location, how to execute, and how to communicate with it in the case
it is a service/process.
JI - Job Initiator (usually a button on a GUI) submits tasks to be performed (JC).
AP - APPLICATIONS - Arbitrary container of a large abstraction.
JC - JOBCLASSES - Internalized services/processes for named tasks which might involve
one or more steps to be performed and how to handle errors, etc.
DT - DATATRANSFORMERS - Inputs/Outputs (grind the data)
EM - EVENTMANAGER - Scheduler/dispatcher reacts to incoming message eventtype to execute
a JC and its associated steps.
UI - GUIS - A users view of the application world.
JN: A flexible, configured methodology for notifying of success/failure/cancellation.
JE: Control of network devices such as printers to prevent inadvertent mixing of outputs.
RM: Someone has to guard the data and other resources to provide a shared/exclusive contract
arrangement.
CONFIGURATION LIBRARY: A software library which provides access to the centralized repository
of information which describes the implementation of computer programs.
MESSAGING LIBRARY: A software library which provides the capability for sending and receiving
messages within the contrived application world.
MESSAGE FORMAT (PROTOCOL): A simple format which includes a few fields of information
to allow hi-level interpretation for purposes of routing through the application world.
These could include sender, recipient, eventid, eventtype, and TEXT. The TEXT portion
of the message may contain anything (even Rebol code) which is understandable to the
target process/recipient.
CENTRALIZATION OF CORPORATE POLICIES & PROCEDURES: The access of configuration information
may result in the internalized automatic evaluation of embedded macros which may in turn
refer to other portions of the information repository. This internal evaluation allows
for centralization of policies and procedures within an organization. Think of a heirachical
tree, where the leaves may refer to other (higherup) nodes for certain information, such
as the shared directory location where executables are stored or which version to use
of a CAD/CAM extraction tool, etc.
QUESTION: When you say protocol, are you talking about a common messaging format or something
else?
QUESTION: When you are talking about framework, are you talking about an application
architecture which provides persistent end-to-end task management?
After all, Rebol is no different than Java, Tcl/Tk, Perl, and other well known languages.
It is simply a language with certain powerful constructs. Without an overall application
framework they are just languages.
Dick
