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Linux 2.6 - man page for snmpa_network_interface (linux section 3erl)

snmpa_network_interface(3erl)	     Erlang Module Definition	    snmpa_network_interface(3erl)

NAME
       snmpa_network_interface - Behaviour module for the SNMP agent network interface.

DESCRIPTION
       This  module  defines the behaviour of the agent network interface. A snmpa_network_inter-
       face compliant module must export the following functions:

	 * start_link/4

	 * info/1

	 * get_log_type/1

	 * set_log_type/2

	 * verbosity/2

       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 inter-
       face  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.

Ericsson AB				    snmp 4.19		    snmpa_network_interface(3erl)


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