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snmpm_mpd(3erl) 		     Erlang Module Definition			  snmpm_mpd(3erl)

NAME
       snmpm_mpd - Message Processing and Dispatch module for the SNMP manager

DESCRIPTION
       The  module  snmpm_mpd  implements the version independent Message Processing and Dispatch
       functionality in SNMP for the manager. It is supposed to be used from a Network	Interface
       process ( Definition of Manager Net if ).

EXPORTS
       init_mpd(Vsns) -> mpd_state()

	      Types  Vsns = [Vsn]
		     Vsn = v1 | v2 | v3

	      This  function  can be called from the net_if process at start-up. The options list
	      defines which versions to use.

	      It also initializes some SNMP counters.

       process_msg(Msg, TDomain, Addr, Port, State, NoteStore, Logger) -> {ok, Vsn,  Pdu,  PduMS,
       MsgData} | {discarded, Reason}

	      Types  Msg = binary()
		     TDomain = snmpUDPDomain
		     Addr = {integer(), integer(), integer(), integer()}
		     Port = integer()
		     State = mpd_state()
		     NoteStore = pid()
		     Logger = function()
		     Vsn = 'version-1' | 'version-2' | 'version-3'
		     Pdu = #pdu
		     PduMs = integer()
		     MsgData = term()

	      Processes an incoming message. Performs authentication and decryption as necessary.
	      The return values should be passed the manager server.

	      NoteStore is the pid() of the note-store process.

	      Logger is the function used for audit trail logging.

	      In the case when the pdu type is report , MsgData is either ok  or  {error,  ReqId,
	      Reason} .

       generate_msg(Vsn, NoteStore, Pdu, MsgData, Logger) -> {ok, Packet} | {discarded, Reason}

	      Types  Vsn = 'version-1' | 'version-2' | 'version-3'
		     NoteStore = pid()
		     Pdu = #pdu
		     MsgData = term()
		     Logger = function()
		     Packet = binary()
		     Reason = term()

	      Generates a possibly encrypted packet to be sent to the network.

	      NoteStore is the pid() of the note-store process.

	      MsgData  is  the	message  specific  data  used  in the SNMP message. In SNMPv1 and
	      SNMPv2c, this message data is the community string. In SNMPv3, it  is  the  context
	      information.

	      Logger is the function used for audit trail logging.

       generate_response_msg(Vsn, Pdu, MsgData, Logger) -> {ok, Packet} | {discarded, Reason}

	      Types  Vsn = 'version-1' | 'version-2' | 'version-3'
		     Pdu = #pdu
		     MsgData = term()
		     Logger = function()
		     Packet = binary()
		     Reason = term()

	      Generates a possibly encrypted response packet to be sent to the network.

	      MsgData  is  the	message  specific  data  used  in the SNMP message. This value is
	      received from the process_msg function.

Ericsson AB				    snmp 4.19				  snmpm_mpd(3erl)
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