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Nagios: Building Enterprise-Grade Monitoring Infrastructures for Systems and Networks, Second Edition by David Josephsen

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Chapter 10. The Nagios Event Broker Interface

In this chapter, we’re going to delve into the inner workings of Nagios by exploring the Nagios Event Broker. The Event Broker is new to 2.0, and it is, bar none, the most powerful interface available to Nagios; however, actually wielding it requires some modest knowledge of C programming. Don’t let that scare you, however; if you possess even a passing familiarity with C, the information I present in this chapter should have you well on your way to extending Nagios’s functionality to your heart’s content.

Function References and Callbacks in C

If C programming isn’t something you do often, you may not have ever used function pointers. If you are adept at C, feel free to skip this section. Function ...

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