diff options
Diffstat (limited to 'lib/snmp/src/manager/snmpm_net_if.erl')
-rw-r--r-- | lib/snmp/src/manager/snmpm_net_if.erl | 291 |
1 files changed, 150 insertions, 141 deletions
diff --git a/lib/snmp/src/manager/snmpm_net_if.erl b/lib/snmp/src/manager/snmpm_net_if.erl index 4d6bd9aa33..39e239f2a2 100644 --- a/lib/snmp/src/manager/snmpm_net_if.erl +++ b/lib/snmp/src/manager/snmpm_net_if.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2011. All Rights Reserved. +%% Copyright Ericsson AB 2004-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -27,9 +27,9 @@ -export([ start_link/2, stop/1, - send_pdu/6, % Backward compatibillity - send_pdu/7, % Backward compatibillity - send_pdu/8, + send_pdu/6, % Backward compatibility + send_pdu/7, % Partly backward compatibility + send_pdu/8, % Backward compatibility inform_response/4, @@ -99,30 +99,31 @@ start_link(Server, NoteStore) -> stop(Pid) -> call(Pid, stop). -send_pdu(Pid, Pdu, Vsn, MsgData, Addr, Port) -> - send_pdu(Pid, Pdu, Vsn, MsgData, Addr, Port, ?DEFAULT_EXTRA_INFO). - -send_pdu(Pid, Pdu, Vsn, MsgData, Addr, Port, ExtraInfo) -> +send_pdu(Pid, Pdu, Vsn, MsgData, DomainIp, AddrPort) -> + send_pdu(Pid, Pdu, Vsn, MsgData, DomainIp, AddrPort, ?DEFAULT_EXTRA_INFO). + +send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo) + when is_record(Pdu, pdu), is_atom(Domain) -> + ?d("send_pdu -> entry with~n" + " Pid: ~p~n" + " Pdu: ~p~n" + " Vsn: ~p~n" + " MsgData: ~p~n" + " Domain: ~p~n" + " Address: ~p", [Pid, Pdu, Vsn, MsgData, Domain, Address]), + cast(Pid, {send_pdu, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo}); +send_pdu(Pid, Pdu, Vsn, MsgData, Ip, Port, ExtraInfo) -> Domain = snmpm_config:default_transport_domain(), - send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Addr, Port, ExtraInfo). - -send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Addr, Port, ExtraInfo) - when is_record(Pdu, pdu) -> - ?d("send_pdu -> entry with" - "~n Pid: ~p" - "~n Pdu: ~p" - "~n Vsn: ~p" - "~n MsgData: ~p" - "~n Domain: ~p" - "~n Addr: ~p" - "~n Port: ~p", [Pid, Pdu, Vsn, MsgData, Domain, Addr, Port]), - cast(Pid, {send_pdu, Pdu, Vsn, MsgData, Domain, Addr, Port, ExtraInfo}). + send_pdu(Pid, Pdu, Vsn, MsgData, Domain, {Ip, Port}, ExtraInfo). + +send_pdu(Pid, Pdu, Vsn, MsgData, Domain, Ip, Port, ExtraInfo) -> + send_pdu(Pid, Pdu, Vsn, MsgData, Domain, {Ip, Port}, ExtraInfo). note_store(Pid, NoteStore) -> call(Pid, {note_store, NoteStore}). -inform_response(Pid, Ref, Addr, Port) -> - cast(Pid, {inform_response, Ref, Addr, Port}). +inform_response(Pid, Ref, Domain, Address) -> + cast(Pid, {inform_response, Ref, Domain, Address}). info(Pid) -> call(Pid, info). @@ -386,25 +387,24 @@ handle_call(Req, From, State) -> %% {noreply, State, Timeout} | %% {stop, Reason, State} (terminate/2 is called) %%-------------------------------------------------------------------- -handle_cast({send_pdu, Pdu, Vsn, MsgData, Domain, Addr, Port, ExtraInfo}, +handle_cast({send_pdu, Pdu, Vsn, MsgData, Domain, Address, ExtraInfo}, State) -> - ?vlog("received send_pdu message with" - "~n Pdu: ~p" - "~n Vsn: ~p" - "~n MsgData: ~p" - "~n Domain: ~p" - "~n Addr: ~p" - "~n Port: ~p", [Pdu, Vsn, MsgData, Domain, Addr, Port]), - maybe_process_extra_info(ExtraInfo), - maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Addr, Port, State), + ?vlog("received send_pdu message with~n" + " Pdu: ~p~n" + " Vsn: ~p~n" + " MsgData: ~p~n" + " Domain: ~p~n" + " Address: ~p", [Pdu, Vsn, MsgData, Domain, Address]), + maybe_process_extra_info(ExtraInfo), + maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, State), {noreply, State}; -handle_cast({inform_response, Ref, Addr, Port}, State) -> - ?vlog("received inform_response message with" - "~n Ref: ~p" - "~n Addr: ~p" - "~n Port: ~p", [Ref, Addr, Port]), - handle_inform_response(Ref, Addr, Port, State), +handle_cast({inform_response, Ref, Domain, Address}, State) -> + ?vlog("received inform_response message with~n" + " Ref: ~p~n" + " Domain: ~p~n" + " Address: ~p", [Ref, Domain, Address]), + handle_inform_response(Ref, Domain, Address, State), {noreply, State}; handle_cast(filter_reset, State) -> @@ -425,7 +425,8 @@ handle_cast(Msg, State) -> %%-------------------------------------------------------------------- handle_info({udp, Sock, Ip, Port, Bytes}, #state{sock = Sock} = State) -> ?vlog("received ~w bytes from ~p:~p [~w]", [size(Bytes), Ip, Port, Sock]), - maybe_handle_recv_msg(Ip, Port, Bytes, State), + {Domain, Address} = snmp_conf:fix_domain_address(Ip, Port), + maybe_handle_recv_msg(Domain, Address, Bytes, State), {noreply, State}; handle_info(inform_response_gc, State) -> @@ -531,48 +532,49 @@ code_change(_Vsn, State, _Extra) -> %%% Internal functions %%%------------------------------------------------------------------- -maybe_handle_recv_msg(Addr, Port, Bytes, #state{filter = FilterMod} = State) -> - case (catch FilterMod:accept_recv(Addr, Port)) of +maybe_handle_recv_msg( + Domain, Address, Bytes, #state{filter = FilterMod} = State) -> + case (catch FilterMod:accept_recv(Domain, Address)) of false -> %% Drop the received packet inc(netIfMsgInDrops), ok; _ -> - handle_recv_msg(Addr, Port, Bytes, State) + handle_recv_msg(Domain, Address, Bytes, State) end. -handle_recv_msg(Addr, Port, Bytes, #state{server = Pid}) +handle_recv_msg(Domain, Address, Bytes, #state{server = Pid}) when is_binary(Bytes) andalso (size(Bytes) =:= 0) -> - Pid ! {snmp_error, {empty_message, Addr, Port}, Addr, Port}, + Pid ! {snmp_error, {empty_message, Domain, Address}, Domain, Address}, ok; -handle_recv_msg(Addr, Port, Bytes, - #state{server = Pid, - note_store = NoteStore, - mpd_state = MpdState, - sock = Sock, - log = Log} = State) -> - Domain = snmp_conf:which_domain(Addr), % What the ****... - Logger = logger(Log, read, Addr, Port), - case (catch snmpm_mpd:process_msg(Bytes, Domain, Addr, Port, +handle_recv_msg( + Domain, Address, Bytes, + #state{server = Pid, + note_store = NoteStore, + mpd_state = MpdState, + sock = Sock, + log = Log} = State) -> + Logger = logger(Log, read, Domain, Address), + case (catch snmpm_mpd:process_msg(Bytes, Domain, Address, MpdState, NoteStore, Logger)) of {ok, Vsn, Pdu, MS, ACM} -> - maybe_handle_recv_pdu(Addr, Port, Vsn, Pdu, MS, ACM, + maybe_handle_recv_pdu(Domain, Address, Vsn, Pdu, MS, ACM, Logger, State); {discarded, Reason, Report} -> ?vdebug("discarded: ~p", [Reason]), ErrorInfo = {failed_processing_message, Reason}, - Pid ! {snmp_error, ErrorInfo, Addr, Port}, - maybe_udp_send(State#state.filter, Sock, Addr, Port, Report), + Pid ! {snmp_error, ErrorInfo, Domain, Address}, + maybe_udp_send(State#state.filter, Sock, Domain, Address, Report), ok; {discarded, Reason} -> ?vdebug("discarded: ~p", [Reason]), ErrorInfo = {failed_processing_message, Reason}, - Pid ! {snmp_error, ErrorInfo, Addr, Port}, + Pid ! {snmp_error, ErrorInfo, Domain, Address}, ok; Error -> @@ -582,88 +584,93 @@ handle_recv_msg(Addr, Port, Bytes, end. -maybe_handle_recv_pdu(Addr, Port, - Vsn, #pdu{type = Type} = Pdu, PduMS, ACM, - Logger, - #state{filter = FilterMod} = State) -> - case (catch FilterMod:accept_recv_pdu(Addr, Port, Type)) of +maybe_handle_recv_pdu( + Domain, Address, Vsn, #pdu{type = Type} = Pdu, PduMS, ACM, Logger, + #state{filter = FilterMod} = State) -> + case (catch FilterMod:accept_recv_pdu(Domain, Address, Type)) of false -> inc(netIfPduInDrops), ok; _ -> - handle_recv_pdu(Addr, Port, Vsn, Pdu, PduMS, ACM, Logger, State) + handle_recv_pdu( + Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State) end; -maybe_handle_recv_pdu(Addr, Port, Vsn, Trap, PduMS, ACM, Logger, - #state{filter = FilterMod} = State) +maybe_handle_recv_pdu( + Domain, Address, Vsn, Trap, PduMS, ACM, Logger, + #state{filter = FilterMod} = State) when is_record(Trap, trappdu) -> - case (catch FilterMod:accept_recv_pdu(Addr, Port, trappdu)) of + case (catch FilterMod:accept_recv_pdu(Domain, Address, trappdu)) of false -> inc(netIfPduInDrops), ok; _ -> - handle_recv_pdu(Addr, Port, Vsn, Trap, PduMS, ACM, Logger, State) + handle_recv_pdu( + Domain, Address, Vsn, Trap, PduMS, ACM, Logger, State) end; -maybe_handle_recv_pdu(Addr, Port, Vsn, Pdu, PduMS, ACM, Logger, State) -> - handle_recv_pdu(Addr, Port, Vsn, Pdu, PduMS, ACM, Logger, State). - - -handle_recv_pdu(Addr, Port, - Vsn, #pdu{type = 'inform-request'} = Pdu, _PduMS, ACM, - Logger, #state{server = Pid, irb = IRB} = State) -> - handle_inform_request(IRB, Pid, Vsn, Pdu, ACM, - Addr, Port, Logger, State); -handle_recv_pdu(Addr, Port, - _Vsn, #pdu{type = report} = Pdu, _PduMS, ok, - _Logger, - #state{server = Pid} = _State) -> +maybe_handle_recv_pdu( + Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State) -> + handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACM, Logger, State). + + +handle_recv_pdu( + Domain, Address, Vsn, + #pdu{type = 'inform-request'} = Pdu, _PduMS, ACM, Logger, + #state{server = Pid, irb = IRB} = State) -> + handle_inform_request( + IRB, Pid, Vsn, Pdu, ACM, Domain, Address, Logger, State); +handle_recv_pdu( + Domain, Address, _Vsn, + #pdu{type = report} = Pdu, _PduMS, ok, _Logger, + #state{server = Pid} = _State) -> ?vtrace("received report - ok", []), - Pid ! {snmp_report, {ok, Pdu}, Addr, Port}; -handle_recv_pdu(Addr, Port, - _Vsn, #pdu{type = report} = Pdu, _PduMS, - {error, ReqId, Reason}, - _Logger, - #state{server = Pid} = _State) -> + Pid ! {snmp_report, {ok, Pdu}, Domain, Address}; +handle_recv_pdu( + Domain, Address, _Vsn, + #pdu{type = report} = Pdu, _PduMS, {error, ReqId, Reason}, _Logger, + #state{server = Pid} = _State) -> ?vtrace("received report - error", []), - Pid ! {snmp_report, {error, ReqId, Reason, Pdu}, Addr, Port}; -handle_recv_pdu(Addr, Port, - _Vsn, #pdu{type = 'snmpv2-trap'} = Pdu, _PduMS, _ACM, - _Logger, - #state{server = Pid} = _State) -> + Pid ! {snmp_report, {error, ReqId, Reason, Pdu}, Domain, Address}; +handle_recv_pdu( + Domain, Address, _Vsn, + #pdu{type = 'snmpv2-trap'} = Pdu, _PduMS, _ACM, _Logger, + #state{server = Pid} = _State) -> ?vtrace("received snmpv2-trap", []), - Pid ! {snmp_trap, Pdu, Addr, Port}; -handle_recv_pdu(Addr, Port, - _Vsn, Trap, _PduMS, _ACM, - _Logger, - #state{server = Pid} = _State) when is_record(Trap, trappdu) -> + Pid ! {snmp_trap, Pdu, Domain, Address}; +handle_recv_pdu( + Domain, Address, _Vsn, Trap, _PduMS, _ACM, _Logger, + #state{server = Pid} = _State) when is_record(Trap, trappdu) -> ?vtrace("received trappdu", []), - Pid ! {snmp_trap, Trap, Addr, Port}; -handle_recv_pdu(Addr, Port, - _Vsn, Pdu, _PduMS, _ACM, - _Logger, - #state{server = Pid} = _State) when is_record(Pdu, pdu) -> + Pid ! {snmp_trap, Trap, Domain, Address}; +handle_recv_pdu( + Domain, Address, _Vsn, Pdu, _PduMS, _ACM, _Logger, + #state{server = Pid} = _State) when is_record(Pdu, pdu) -> ?vtrace("received pdu", []), - Pid ! {snmp_pdu, Pdu, Addr, Port}; -handle_recv_pdu(_Addr, _Port, _Vsn, Pdu, _PduMS, ACM, _Logger, _State) -> + Pid ! {snmp_pdu, Pdu, Domain, Address}; +handle_recv_pdu( + _Domain, _Address, _Vsn, Pdu, _PduMS, ACM, _Logger, _State) -> ?vlog("received unexpected pdu: " - "~n Pdu: ~p" - "~n ACM: ~p", [Pdu, ACM]). + "~n Pdu: ~p" + "~n ACM: ~p", [Pdu, ACM]). -handle_inform_request(auto, Pid, Vsn, Pdu, ACM, Addr, Port, Logger, State) -> +handle_inform_request( + auto, Pid, Vsn, Pdu, ACM, Domain, Address, Logger, State) -> ?vtrace("received inform-request (true)", []), - Pid ! {snmp_inform, ignore, Pdu, Addr, Port}, + Pid ! {snmp_inform, ignore, Pdu, Domain, Address}, RePdu = make_response_pdu(Pdu), - maybe_send_inform_response(RePdu, Vsn, ACM, Addr, Port, Logger, State); -handle_inform_request({user, To}, Pid, Vsn, #pdu{request_id = ReqId} = Pdu, - ACM, Addr, Port, _Logger, _State) -> + maybe_send_inform_response( + RePdu, Vsn, ACM, Domain, Address, Logger, State); +handle_inform_request( + {user, To}, Pid, Vsn, #pdu{request_id = ReqId} = Pdu, + ACM, Domain, Address, _Logger, _State) -> ?vtrace("received inform-request (false)", []), - Pid ! {snmp_inform, ReqId, Pdu, Addr, Port}, + Pid ! {snmp_inform, ReqId, Pdu, Domain, Address}, %% Before we go any further, we need to check that we have not %% already received this message (possible resend). - Key = {ReqId, Addr, Port}, + Key = {ReqId, Domain, Address}, case ets:lookup(snmpm_inform_request_table, Key) of [_] -> %% OK, we already know about this. We assume this @@ -676,14 +683,14 @@ handle_inform_request({user, To}, Pid, Vsn, #pdu{request_id = ReqId} = Pdu, Rec = {Key, Expire, {Vsn, ACM, RePdu}}, ets:insert(snmpm_inform_request_table, Rec) end. - -handle_inform_response(Ref, Addr, Port, State) -> - Key = {Ref, Addr, Port}, + +handle_inform_response(Ref, Domain, Address, State) -> + Key = {Ref, Domain, Address}, case ets:lookup(snmpm_inform_request_table, Key) of [{Key, _, {Vsn, ACM, RePdu}}] -> - Logger = logger(State#state.log, read, Addr, Port), + Logger = logger(State#state.log, read, Domain, Address), ets:delete(snmpm_inform_request_table, Key), - maybe_send_inform_response(RePdu, Vsn, ACM, Addr, Port, + maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Address, Logger, State); [] -> %% Already acknowledged, or the user was to slow to reply... @@ -691,24 +698,26 @@ handle_inform_response(Ref, Addr, Port, State) -> end, ok. -maybe_send_inform_response(RePdu, Vsn, ACM, Addr, Port, Logger, - #state{server = Pid, - sock = Sock, +maybe_send_inform_response(RePdu, Vsn, ACM, Domain, Address, Logger, + #state{server = Pid, + sock = Sock, filter = FilterMod}) -> - case (catch FilterMod:accept_send_pdu(Addr, Port, pdu_type_of(RePdu))) of + case (catch FilterMod:accept_send_pdu( + Domain, Address, pdu_type_of(RePdu))) + of false -> inc(netIfPduOutDrops), ok; _ -> case snmpm_mpd:generate_response_msg(Vsn, RePdu, ACM, Logger) of {ok, Msg} -> - maybe_udp_send(FilterMod, Sock, Addr, Port, Msg); + maybe_udp_send(FilterMod, Sock, Domain, Address, Msg); {discarded, Reason} -> ?vlog("failed generating response message:" "~n Reason: ~p", [Reason]), ReqId = RePdu#pdu.request_id, ErrorInfo = {failed_generating_response, {RePdu, Reason}}, - Pid ! {snmp_error, ReqId, ErrorInfo, Addr, Port}, + Pid ! {snmp_error, ReqId, ErrorInfo, Domain, Address}, ok end end. @@ -743,28 +752,28 @@ irgc_stop(Ref) -> (catch erlang:cancel_timer(Ref)). -maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Addr, Port, +maybe_handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, #state{filter = FilterMod} = State) -> - case (catch FilterMod:accept_send_pdu(Addr, Port, pdu_type_of(Pdu))) of + case (catch FilterMod:accept_send_pdu(Domain, Address, pdu_type_of(Pdu))) of false -> inc(netIfPduOutDrops), ok; _ -> - handle_send_pdu(Pdu, Vsn, MsgData, Domain, Addr, Port, State) + handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, State) end. -handle_send_pdu(Pdu, Vsn, MsgData, _Domain, Addr, Port, +handle_send_pdu(Pdu, Vsn, MsgData, Domain, Address, #state{server = Pid, note_store = NoteStore, sock = Sock, log = Log, filter = FilterMod}) -> - Logger = logger(Log, write, Addr, Port), + Logger = logger(Log, write, Domain, Address), case (catch snmpm_mpd:generate_msg(Vsn, NoteStore, Pdu, MsgData, Logger)) of {ok, Msg} -> ?vtrace("handle_send_pdu -> message generated", []), - maybe_udp_send(FilterMod, Sock, Addr, Port, Msg); + maybe_udp_send(FilterMod, Sock, Domain, Address, Msg); {discarded, Reason} -> ?vlog("PDU not sent: " "~n PDU: ~p" @@ -774,28 +783,28 @@ handle_send_pdu(Pdu, Vsn, MsgData, _Domain, Addr, Port, end. -maybe_udp_send(FilterMod, Sock, Addr, Port, Msg) -> - case (catch FilterMod:accept_send(Addr, Port)) of +maybe_udp_send(FilterMod, Sock, Domain, {Ip, Port} = Address, Msg) -> + case (catch FilterMod:accept_send(Domain, Address)) of false -> inc(netIfMsgOutDrops), ok; _ -> - udp_send(Sock, Addr, Port, Msg) + udp_send(Sock, Ip, Port, Msg) end. -udp_send(Sock, Addr, Port, Msg) -> - case (catch gen_udp:send(Sock, Addr, Port, Msg)) of +udp_send(Sock, Ip, Port, Msg) -> + case (catch gen_udp:send(Sock, Ip, Port, Msg)) of ok -> ?vdebug("sent ~w bytes to ~w:~w [~w]", - [sz(Msg), Addr, Port, Sock]), + [sz(Msg), Ip, Port, Sock]), ok; {error, Reason} -> error_msg("failed sending message to ~p:~p: " - "~n ~p",[Addr, Port, Reason]); + "~n ~p",[Ip, Port, Reason]); Error -> error_msg("failed sending message to ~p:~p: " - "~n ~p",[Addr, Port, Error]) + "~n ~p",[Ip, Port, Error]) end. sz(B) when is_binary(B) -> @@ -1029,15 +1038,15 @@ t() -> %% ------------------------------------------------------------------- -logger(undefined, _Type, _Addr, _Port) -> +logger(undefined, _Type, _Domain, _Address) -> fun(_) -> ok end; -logger({Log, Types}, Type, Addr, Port) -> +logger({Log, Types}, Type, Domain, Address) -> case lists:member(Type, Types) of true -> fun(Msg) -> - snmp_log:log(Log, Msg, Addr, Port) + snmp_log:log(Log, Msg, Domain, Address) end; false -> fun(_) -> |