August 2001
Intermediate to advanced
648 pages
11h 18m
English
Content preview from Common UNIX Printing System
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Chapter 19Writing Notifiers for CUPS
This chapter describes how to write a notifier for CUPS and how the mailto notifier works.
What Are Notifiers?
Notifiers are programs that send IPP notifications via various protocols. CUPS provides notifier programs for the indp and mailto protocols. The ippget protocol is implemented as an internal method because it uses an HTTP connection from the recipient.
Notifiers are fairly simple programs and merely need to read IPP event messages and send them to the recipient. The CUPS API includes functions for reading and decoding these messages.
Notification and notifier support is available starting with CUPS 1.2.
The CUPS Notifier Architecture
Each notifier program uses a common interface. Notifiers are ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.