Simple Network Management Protocol (SNMP)

Reference Manual

Version 5.5

Table of Contents

snmpa_network_interface

Module

snmpa_network_interface

Module Summary

Behaviour module for the SNMP agent network interface.

Description

This module defines the behaviour of the agent network interface. A snmpa_network_interface compliant module must export the following functions:

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

But this is not enough. There is also a set of mandatory messages which the network interface entity must be able to receive and be able to send. This is described in chapter snmp_agent_netif.

Exports

start_link(Prio, NoteStore, MasterAgent, Opts) -> {ok, Pid} | {error, Reason}

Types

Prio = priority()
NoteStore = pid()
MasterAgent = pid()
Opts = [opt()]
opt() = {verbosity, verbosity()} | {versions, versions()} | term()
versions() = [version()]
version() = v1 | v2 | v3

Start-link the network interface process.

NoteStore is the pid of the note-store process and MasterAgent is the pid of the master-agent process.

Opts is an (basically) implementation dependent list of options to the network interface process. There are however a number of options which must be handled: versions and verbosity.

info(Pid) -> [{Key, Value}]

Types

Pid = pid()

The info returned is basically up to the implementer to decide. This implementation provided by the application provides info about memory allocation and various socket information.

The info returned by this function is returned together with other info collected by the agent when the info function is called (tagged with with the key net_if).

verbosity(Pid, Verbosity) -> void()

Types

Pid = pid()
Verbosity = verbosity()

Change the verbosity of a running network interface process.

get_log_type(Pid) -> {ok, LogType} | {error, Reason}

Types

Pid = pid()
LogType = atl_type()
Reason = term()

The Audit Trail Log is managed by the network interface process. So, it is this process that has to retrieve the actual log-type.

set_log_type(Pid, NewType) -> {ok, OldType} | {error, Reason}

Types

Pid = pid()
NewType = OldType = atl_type()
Reason = term()

The Audit Trail Log is managed by the network interface process. So, it is this process that has to do the actual changing of the type.

See set_log_type for more info.

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