snmpa_notification_filter(3)

NAME
snmpa_notification_filter - Behaviour module for the SNMP agent notification filters.

DESCRIPTION

This module defines the behaviour of the agent notification filters. A snmpa_notification_filter compliant module must export the following functions:

    • handle_notification/2

The semantics of them and their exact signatures are explained below.

The purpose of notification filters is to allow for modification and/or suppression of a notification.

A misbehaving filter will be removed.

DATA TYPES

notification() :: term().
trap() :: term().

CALLBACKS

handle_notification(Notif, Data)

    Handle a notification to be sent. The filter can either accept the notification as is, return send, modify the notification, return {send, NewNotif} or suppress the notification, return dont_send.

    Data is supplied at filter registration time, see snmpa:register_notification_filter/5.