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-rw-r--r--lib/snmp/src/agent/snmpa_net_if.erl262
1 files changed, 138 insertions, 124 deletions
diff --git a/lib/snmp/src/agent/snmpa_net_if.erl b/lib/snmp/src/agent/snmpa_net_if.erl
index dac172ea11..59d88517c9 100644
--- a/lib/snmp/src/agent/snmpa_net_if.erl
+++ b/lib/snmp/src/agent/snmpa_net_if.erl
@@ -257,6 +257,9 @@ create_filter(BadOpts) ->
throw({error, {bad_filter_opts, BadOpts}}).
+log(LogTypes, Req, Packet, {Domain, Address}) ->
+ log(LogTypes, Req, Packet, Domain, Address).
+
log({_, []}, _, _, _, _) ->
ok;
log({Log, Types}, 'set-request', Packet, Domain, Address) ->
@@ -297,8 +300,8 @@ loop(S) ->
receive
{udp, _UdpId, Ip, Port, Packet} ->
?vlog("got paket from ~w:~w",[Ip,Port]),
- {Domain, Address} = snmp_conf:fix_domain_address(Ip, Port),
- NewS = maybe_handle_recv(S, Domain, Address, Packet),
+ From = snmp_conf:ip_port_to_domaddr(Ip, Port),
+ NewS = maybe_handle_recv(S, From, Packet),
loop(NewS);
{info, ReplyRef, Pid} ->
@@ -307,47 +310,55 @@ loop(S) ->
loop(S);
%% response (to get/get_next/get_bulk/set requests)
- {snmp_response, Vsn, RePdu, Type, ACMData, Dest, []} ->
+ {snmp_response, Vsn, RePdu, Type, ACMData, To, []} ->
?vlog("reply pdu: "
"~n ~s",
[?vapply(snmp_misc, format, [256, "~w", [RePdu]])]),
- NewS = maybe_handle_reply_pdu(S, Vsn, RePdu, Type, ACMData, Dest),
+ NewS = maybe_handle_reply_pdu(S, Vsn, RePdu, Type, ACMData, To),
loop(NewS);
%% Traps/notification
- {send_pdu, Vsn, Pdu, MsgData, To} ->
- ?vdebug("send pdu: "
- "~n Pdu: ~p"
- "~n To: ~p", [Pdu, To]),
- NewS = maybe_handle_send_pdu(S, Vsn, Pdu, MsgData, To, undefined),
+ {send_pdu, Vsn, Pdu, MsgData, TDomAddrs} ->
+ ?vdebug("send pdu:~n"
+ " Pdu: ~p~n"
+ " TDomAddrs: ~p", [Pdu, TDomAddrs]),
+ NewS =
+ maybe_handle_send_pdu(
+ S, Vsn, Pdu, MsgData, TDomAddrs, undefined),
loop(NewS);
%% We dont use the extra-info at this time, ...
- {send_pdu, Vsn, Pdu, MsgData, To, _ExtraInfo} ->
- ?vdebug("send pdu: "
- "~n Pdu: ~p"
- "~n To: ~p", [Pdu, To]),
- NewS = maybe_handle_send_pdu(S, Vsn, Pdu, MsgData, To, undefined),
+ {send_pdu, Vsn, Pdu, MsgData, TDomAddrs, _ExtraInfo} ->
+ ?vdebug("send pdu:~n"
+ " Pdu: ~p~n"
+ " TDomAddrs: ~p", [Pdu, TDomAddrs]),
+ NewS =
+ maybe_handle_send_pdu(
+ S, Vsn, Pdu, MsgData, TDomAddrs, undefined),
loop(NewS);
%% Informs
- {send_pdu_req, Vsn, Pdu, MsgData, To, From} ->
- ?vdebug("send pdu request: "
- "~n Pdu: ~p"
- "~n To: ~p"
- "~n From: ~p",
- [Pdu, To, toname(From)]),
- NewS = maybe_handle_send_pdu(S, Vsn, Pdu, MsgData, To, From),
+ {send_pdu_req, Vsn, Pdu, MsgData, TDomAddrs, From} ->
+ ?vdebug("send pdu request:~n"
+ " Pdu: ~p~n"
+ " TDomAddrs: ~p~n"
+ " From: ~p",
+ [Pdu, TDomAddrs, toname(From)]),
+ NewS =
+ maybe_handle_send_pdu(
+ S, Vsn, Pdu, MsgData, TDomAddrs, From),
loop(NewS);
%% We dont use the extra-info at this time, ...
- {send_pdu_req, Vsn, Pdu, MsgData, To, From, _ExtraInfo} ->
- ?vdebug("send pdu request: "
- "~n Pdu: ~p"
- "~n To: ~p"
- "~n From: ~p",
- [Pdu, To, toname(From)]),
- NewS = maybe_handle_send_pdu(S, Vsn, Pdu, MsgData, To, From),
+ {send_pdu_req, Vsn, Pdu, MsgData, TDomAddrs, From, _ExtraInfo} ->
+ ?vdebug("send pdu request:~n"
+ " Pdu: ~p~n"
+ " TDomAddrs: ~p~n"
+ " From: ~p",
+ [Pdu, TDomAddrs, toname(From)]),
+ NewS =
+ maybe_handle_send_pdu(
+ S, Vsn, Pdu, MsgData, TDomAddrs, From),
loop(NewS);
%% Discovery Inform
@@ -517,19 +528,19 @@ update_req_counter_outgoing(#state{limit = Limit, rcnt = RCnt} = S,
S#state{rcnt = NewRCnt}.
-maybe_handle_recv(#state{usock = Sock, filter = FilterMod} = S,
- Domain, Address, Packet) ->
- case (catch FilterMod:accept_recv(Domain, Address)) of
+maybe_handle_recv(
+ #state{usock = Sock, filter = FilterMod} = S, From, Packet) ->
+ case (catch FilterMod:accept_recv(From)) of
false ->
%% Drop the received packet
inc(netIfMsgInDrops),
active_once(Sock),
S;
_ ->
- handle_recv(S, Domain, Address, Packet)
+ handle_recv(S, From, Packet)
end.
-handle_discovery_response(_Domain, _Address, #pdu{request_id = ReqId} = Pdu,
+handle_discovery_response(_From, #pdu{request_id = ReqId} = Pdu,
ManagerEngineId,
#state{usock = Sock, reqs = Reqs} = S) ->
case lists:keysearch(ReqId, 1, S#state.reqs) of
@@ -543,27 +554,29 @@ handle_discovery_response(_Domain, _Address, #pdu{request_id = ReqId} = Pdu,
S
end.
-handle_recv(#state{usock = Sock,
- mpd_state = MpdState,
- note_store = NS,
- log = Log} = S, Domain, Address, Packet) ->
+handle_recv(
+ #state{usock = Sock,
+ mpd_state = MpdState,
+ note_store = NS,
+ log = Log} = S, From, Packet) ->
put(n1, erlang:now()),
- LogF = fun(Type, Data) ->
- log(Log, Type, Data, Domain, Address)
- end,
+ LogF =
+ fun(Type, Data) ->
+ log(Log, Type, Data, From)
+ end,
case (catch snmpa_mpd:process_packet(
- Packet, Domain, Address, MpdState, NS, LogF)) of
+ Packet, From, MpdState, NS, LogF)) of
{ok, _Vsn, Pdu, _PduMS, {discovery, ManagerEngineId}} ->
- handle_discovery_response(Domain, Address, Pdu, ManagerEngineId, S);
+ handle_discovery_response(From, Pdu, ManagerEngineId, S);
{ok, _Vsn, Pdu, _PduMS, discovery} ->
- handle_discovery_response(Domain, Address, Pdu, undefined, S);
+ handle_discovery_response(From, Pdu, undefined, S);
{ok, Vsn, Pdu, PduMS, ACMData} ->
?vlog("got pdu ~s",
[?vapply(snmp_misc, format, [256, "~w", [Pdu]])]),
- %% handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData, S);
- maybe_handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData, S);
+ %% handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData, S);
+ maybe_handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData, S);
{discarded, Reason} ->
?vlog("packet discarded for reason: ~s",
@@ -575,14 +588,14 @@ handle_recv(#state{usock = Sock,
?vlog("sending report for reason: "
"~n ~s",
[?vapply(snmp_misc, format, [256, "~w", [Reason]])]),
- {Ip, Port} = Address,
+ {_Domain, {Ip, Port}} = From,
(catch udp_send(S#state.usock, Ip, Port, ReportPacket)),
active_once(Sock),
S;
{discovery, ReportPacket} ->
?vlog("sending discovery report", []),
- {Ip, Port} = Address,
+ {_Domain, {Ip, Port}} = From,
(catch udp_send(S#state.usock, Ip, Port, ReportPacket)),
active_once(Sock),
S;
@@ -595,71 +608,67 @@ handle_recv(#state{usock = Sock,
end.
maybe_handle_recv_pdu(
- Domain, Address, Vsn,
+ From, Vsn,
#pdu{type = Type} = Pdu, PduMS, ACMData,
#state{usock = Sock, filter = FilterMod} = S) ->
- case (catch FilterMod:accept_recv_pdu(Domain, Address, Type)) of
+ case (catch FilterMod:accept_recv_pdu(From, Type)) of
false ->
inc(netIfPduInDrops),
active_once(Sock),
ok;
_ ->
- handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData, S)
+ handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData, S)
end;
-maybe_handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData, S) ->
- handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData, S).
+maybe_handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData, S) ->
+ handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData, S).
handle_recv_pdu(
- Domain, Address, Vsn,
+ From, Vsn,
#pdu{type = 'get-response'} = Pdu, _PduMS, _ACMData,
#state{usock = Sock} = S) ->
active_once(Sock),
- handle_response(Vsn, Pdu, {Domain, Address}, S),
+ handle_response(Vsn, Pdu, From, S),
S;
-handle_recv_pdu(Domain, Address, Vsn, #pdu{request_id = Rid, type = Type} = Pdu,
+handle_recv_pdu(From, Vsn, #pdu{request_id = Rid, type = Type} = Pdu,
PduMS, ACMData, #state{master_agent = Pid} = S)
when ((Type =:= 'get-request') orelse
(Type =:= 'get-next-request') orelse
(Type =:= 'get-bulk-request')) ->
?vtrace("handle_recv_pdu -> received get (~w)", [Type]),
- SourceAddress = {Domain, Address},
- Pid ! {snmp_pdu, Vsn, Pdu, PduMS, ACMData, SourceAddress, []},
+ Pid ! {snmp_pdu, Vsn, Pdu, PduMS, ACMData, From, []},
update_req_counter_incomming(S, Rid);
-handle_recv_pdu(Domain, Address, Vsn, Pdu, PduMS, ACMData,
+handle_recv_pdu(From, Vsn, Pdu, PduMS, ACMData,
#state{usock = Sock, master_agent = Pid} = S) ->
?vtrace("handle_recv_pdu -> received other request", []),
active_once(Sock),
- SourceAddress = {Domain, Address},
- Pid ! {snmp_pdu, Vsn, Pdu, PduMS, ACMData, SourceAddress, []},
+ Pid ! {snmp_pdu, Vsn, Pdu, PduMS, ACMData, From, []},
S.
maybe_handle_reply_pdu(
#state{filter = FilterMod} = S, Vsn,
#pdu{request_id = Rid} = Pdu,
- Type, ACMData, DestinationAddress) ->
+ Type, ACMData, To) ->
S1 = update_req_counter_outgoing(S, Rid),
- case (catch FilterMod:accept_send_pdu([DestinationAddress], Type)) of
+ case (catch FilterMod:accept_send_pdu([To], Type)) of
false ->
inc(netIfPduOutDrops),
ok;
_ ->
- handle_reply_pdu(S1, Vsn, Pdu, Type, ACMData, DestinationAddress)
+ handle_reply_pdu(S1, Vsn, Pdu, Type, ACMData, To)
end,
S1.
-handle_reply_pdu(#state{log = Log,
- usock = Sock,
- filter = FilterMod},
- Vsn, Pdu, Type, ACMData, {Domain, Address}) ->
- LogF = fun(Type2, Data) ->
- log(Log, Type2, Data, Domain, Address)
- end,
+handle_reply_pdu(#state{log = Log} = S, Vsn, Pdu, Type, ACMData, To) ->
+ LogF =
+ fun(Type2, Data) ->
+ log(Log, Type2, Data, To)
+ end,
case (catch snmpa_mpd:generate_response_msg(Vsn, Pdu, Type,
ACMData, LogF)) of
{ok, Packet} ->
?vinfo("time in agent: ~w mysec", [time_in_agent()]),
- maybe_udp_send(FilterMod, Sock, Domain, Address, Packet);
+ maybe_udp_send(S, To, Packet);
{discarded, Reason} ->
?vlog("handle_reply_pdu -> "
"~n reply discarded for reason: ~s",
@@ -674,63 +683,63 @@ handle_reply_pdu(#state{log = Log,
maybe_handle_send_pdu(
#state{filter = FilterMod} = S,
- Vsn, Pdu, MsgData, To0, From) ->
+ Vsn, Pdu, MsgData, TDomAddrSecs, From) ->
?vtrace("maybe_handle_send_pdu -> entry with~n"
" FilterMod: ~p~n"
- " To0: ~p", [FilterMod, To0]),
+ " TDomAddrSecs: ~p", [FilterMod, TDomAddrSecs]),
- To = snmpa_mpd:process_taddrs(To0),
- Destinations =
- [case T of
- {{Domain, _Address} = Destination, _SecData}
+ DomAddrSecs = snmpa_mpd:process_taddrs(TDomAddrSecs),
+ DomAddrs =
+ [case DAS of
+ {{Domain, _Address} = DomAddr, _SecData}
when is_atom(Domain) -> % v3
- Destination;
- {Domain, _Address} = Destination
+ DomAddr;
+ {Domain, _Address} = DomAddr
when is_atom(Domain) -> % v1 & v2
- Destination
- end || T <- To],
+ DomAddr
+ end || DAS <- DomAddrSecs],
case (catch FilterMod:accept_send_pdu(
- Destinations, pdu_type_of(Pdu))) of
+ DomAddrs, pdu_type_of(Pdu))) of
false ->
inc(netIfPduOutDrops),
ok;
true ->
- handle_send_pdu(S, Vsn, Pdu, MsgData, To, From);
- FilteredDestinations when is_list(FilteredDestinations) ->
- MergedTo =
- [T || T <- To,
- case T of
- {{Dom, _Addr} = Dest, _SData}
- when is_atom(Dom) -> % v3
+ handle_send_pdu(S, Vsn, Pdu, MsgData, DomAddrSecs, From);
+ FilteredDomAddrs when is_list(FilteredDomAddrs) ->
+ MergedDomAddrSecs =
+ [DAS || DAS <- DomAddrSecs,
+ case DAS of
+ {{Domain, _Address} = DomAddr, _SData}
+ when is_atom(Domain) -> % v3
lists:member(
- Dest, FilteredDestinations);
- {Dom, _Addr} = Dest
- when is_atom(Dom) -> % v1 & v2
+ DomAddr, FilteredDomAddrs);
+ {Domain, _Address} = DomAddr
+ when is_atom(Domain) -> % v1 & v2
lists:member(
- Dest, FilteredDestinations)
+ DomAddr, FilteredDomAddrs)
end],
- ?vtrace("maybe_handle_send_pdu -> MergedTo:~n"
- " ~p", [MergedTo]),
- handle_send_pdu(S, Vsn, Pdu, MsgData, MergedTo, From);
+ ?vtrace("maybe_handle_send_pdu -> MergedDomAddrSecs:~n"
+ " ~p", [MergedDomAddrSecs]),
+ handle_send_pdu(S, Vsn, Pdu, MsgData, MergedDomAddrSecs, From);
Other ->
error_msg(
"FilterMod:accept_send_pdu/2 returned: ~p", [Other]),
- handle_send_pdu(S, Vsn, Pdu, MsgData, To, From)
+ handle_send_pdu(S, Vsn, Pdu, MsgData, DomAddrSecs, From)
end.
handle_send_pdu(
- #state{note_store = NS} = S, Vsn, Pdu, MsgData, To, From) ->
+ #state{note_store = NS} = S, Vsn, Pdu, MsgData, DomAddrSecs, From) ->
?vtrace("handle_send_pdu -> entry with~n"
- " Pdu: ~p~n"
- " To: ~p", [Pdu, To]),
+ " Pdu: ~p~n"
+ " DomAddrSecs: ~p", [Pdu, DomAddrSecs]),
case (catch snmpa_mpd:generate_msg(
- Vsn, NS, Pdu, MsgData, To)) of
+ Vsn, NS, Pdu, MsgData, DomAddrSecs)) of
{ok, Addresses} ->
- handle_send_pdu(S, Pdu, Addresses);
+ do_handle_send_pdu(S, Pdu, Addresses);
{discarded, Reason} ->
?vlog("handle_send_pdu -> "
"~n PDU ~p not sent due to ~p", [Pdu, Reason]),
@@ -787,13 +796,13 @@ handle_send_discovery(
end.
-handle_send_pdu(S, #pdu{type = Type} = Pdu, Addresses) ->
- handle_send_pdu(S, Type, Pdu, Addresses);
-handle_send_pdu(S, Trap, Addresses) ->
- handle_send_pdu(S, trappdu, Trap, Addresses).
+do_handle_send_pdu(S, #pdu{type = Type} = Pdu, Addresses) ->
+ do_handle_send_pdu(S, Type, Pdu, Addresses);
+do_handle_send_pdu(S, Trap, Addresses) ->
+ do_handle_send_pdu(S, trappdu, Trap, Addresses).
-handle_send_pdu(S, Type, Pdu, Addresses) ->
- case (catch handle_send_pdu1(S, Type, Addresses)) of
+do_handle_send_pdu(S, Type, Pdu, Addresses) ->
+ case (catch do_handle_send_pdu1(S, Type, Addresses)) of
{Reason, Sz} ->
error_msg("Cannot send message "
"~n size: ~p"
@@ -803,25 +812,23 @@ handle_send_pdu(S, Type, Pdu, Addresses) ->
_ ->
ok
end.
-
-handle_send_pdu1(#state{log = Log,
- usock = Sock,
- filter = FilterMod}, Type, Addresses) ->
+
+do_handle_send_pdu1(S, Type, Addresses) ->
lists:foreach(
fun ({Domain, Address, Packet}) when is_binary(Packet) ->
?vdebug(
"[~w] sending packet:~n"
" size: ~p~n"
" to: ~p", [Domain, sz(Packet), Address]),
- maybe_udp_send(
- FilterMod, Log, Type, Sock, Domain, Address, Packet);
- ({Domain, Address, {Packet, _LogData}}) when is_binary(Packet) ->
+ To = {Domain, Address},
+ maybe_udp_send(S, To, Packet);
+ ({Domain, Address, {Packet, LogData}}) when is_binary(Packet) ->
?vdebug(
"[~w] sending encrypted packet:~n"
" size: ~p~n"
" to: ~p", [Domain, sz(Packet), Address]),
- maybe_udp_send(
- FilterMod, Log, Type, Sock, Domain, Address, Packet)
+ To = {Domain, Address},
+ maybe_udp_send(S, To, Packet, Type, LogData)
end,
Addresses).
@@ -836,24 +843,31 @@ handle_response(Vsn, Pdu, From, S) ->
"~n No receiver available for response pdu", [])
end.
-maybe_udp_send(FilterMod, Sock, Domain, Address, Packet) ->
- case (catch FilterMod:accept_send(Domain, Address)) of
+maybe_udp_send(
+ #state{usock = Sock,
+ filter = FilterMod}, To, Packet) ->
+ case (catch FilterMod:accept_send(To)) of
false ->
inc(netIfMsgOutDrops),
ok;
_ ->
- {Ip, Port} = Address,
+ %% XXX should be some kind of lookup of domain to socket
+ {_Domain, {Ip, Port}} = To,
(catch udp_send(Sock, Ip, Port, Packet))
end.
-maybe_udp_send(FilterMod, AtLog, Type, Sock, Domain, Address, Packet) ->
- case (catch FilterMod:accept_send(Domain, Address)) of
+maybe_udp_send(
+ #state{log = Log,
+ usock = Sock,
+ filter = FilterMod}, To, Packet, Type, _LogData) ->
+ case (catch FilterMod:accept_send(To)) of
false ->
inc(netIfMsgOutDrops),
ok;
_ ->
- log(AtLog, Type, Packet, Domain, Address),
- {Ip, Port} = Address,
+ log(Log, Type, Packet, To),
+ %% XXX should be some kind of lookup of domain to socket
+ {_Domain, {Ip, Port}} = To,
(catch udp_send(Sock, Ip, Port, Packet))
end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 15:20:34 +0000