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What is a tdeioslave you ask yourself?
A tdeioslave is a program designed to be intimately familiar with a certian
protocol, so that a standardized interface can be used to get at data from
any number of places. A few examples are the http and ftp tdeioslaves,
which using nearly identical methods will retrieve data from an http or
ftp server respectively.
Well, that's nice. How do they work?
To understand it, you'll need two ice cubes, a pair of handcuffs, and a
ferret. Some Crisco (or other shortening) is optional. Well, that aside,
this document focuses on the business end of the whole kio library. The
ioslave. See the documentation of the SlaveBase class for the methods
you need to reimplement, and see
http://developer.kde.org/documentation/design/kde/ioslaves/ for more docu
online.
That's nice, but how can I use it?
Any time you'd like to use non blocking IO over a high level protocol
(such as HTTP or FTP) a tdeioslave is for you.
That's nice, but how do I use it?
Basically, you create "jobs" by calling a public TDEIO::blah method
(the correct prototypes, etc, are in tdeio/job.h). Once this is done, you
connect to the result() signal, and wait for the result. There are
other signals emitted by jobs, see tdeio/jobclasses.h. Once again,
see the online documentation for more.
If you are interested in working on an ioslave,
the following slaves are severely lacking in functionality:
SMTP
SMB
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Original document by Rich.
Updated for KDE 2 by David.
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