diff options
Diffstat (limited to 'lib/snmp/src/agent/snmp_framework_mib.erl')
| -rw-r--r-- | lib/snmp/src/agent/snmp_framework_mib.erl | 109 |
1 files changed, 76 insertions, 33 deletions
diff --git a/lib/snmp/src/agent/snmp_framework_mib.erl b/lib/snmp/src/agent/snmp_framework_mib.erl index cc191bd956..9d3f7ef5e7 100644 --- a/lib/snmp/src/agent/snmp_framework_mib.erl +++ b/lib/snmp/src/agent/snmp_framework_mib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2012. All Rights Reserved. +%% Copyright Ericsson AB 1999-2014. 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 @@ -41,6 +41,7 @@ -compile({no_auto_import,[error/1]}). -export([init/0, configure/1]). -export([intContextTable/1, intContextTable/3, + intAgentTransportDomain/1, intAgentTransports/1, intAgentUDPPort/1, intAgentIpAddress/1, snmpEngineID/1, snmpEngineBoots/1, @@ -51,7 +52,7 @@ set_engine_boots/1, set_engine_time/1, table_next/2, check_status/3]). -export([add_context/1, delete_context/1]). --export([check_agent/1, check_context/1]). +-export([check_agent/2, check_context/1, order_agent/2]). %%----------------------------------------------------------------- @@ -115,54 +116,46 @@ do_configure(Dir) -> read_internal_config_files(Dir) -> ?vdebug("read context config file",[]), - Gen = fun(D, Reason) -> - convert_context(D, Reason) - end, - Filter = fun(Contexts) -> Contexts end, - Check = fun(Entry) -> check_context(Entry) end, - [Ctxs] = snmp_conf:read_files(Dir, [{Gen, Filter, Check, "context.conf"}]), + Gen = fun gen_context/2, + Order = fun snmp_conf:no_order/2, + Filter = fun snmp_conf:no_filter/1, + Check = fun(Entry, State) -> {check_context(Entry), State} end, + [Ctxs] = + snmp_conf:read_files + (Dir, [{"context.conf", Gen, Order, Check, Filter}]), Ctxs. - read_agent(Dir) -> ?vdebug("read agent config file", []), - FileName = "agent.conf", - Check = fun(Entry) -> check_agent(Entry) end, + FileName = "agent.conf", File = filename:join(Dir, FileName), - Agent = + Conf0 = try - snmp_conf:read(File, Check) + snmp_conf:read(File, fun order_agent/2, fun check_agent/2) catch throw:{error, Reason} -> error({failed_reading_config_file, Dir, FileName, Reason}) end, - sort_agent(Agent). - - -%%----------------------------------------------------------------- -%% Make sure that each mandatory agent attribute is present, and -%% provide default values for the other non-present attributes. -%%----------------------------------------------------------------- -sort_agent(L) -> - Mand = [{intAgentIpAddress, mandatory}, - {intAgentUDPPort, mandatory}, - {snmpEngineMaxMessageSize, mandatory}, - {snmpEngineID, mandatory}], - {ok, L2} = snmp_conf:check_mandatory(L, Mand), - lists:keysort(1, L2). + Mand = + [{intAgentTransports, mandatory}, + {snmpEngineMaxMessageSize, mandatory}, + {snmpEngineID, mandatory}], + {ok, Conf} = snmp_conf:check_mandatory(Conf0, Mand), + Conf. %%----------------------------------------------------------------- %% Generate a context.conf file. %%----------------------------------------------------------------- -convert_context(Dir, _Reason) -> +gen_context(Dir, _Reason) -> config_err("missing context.conf file => generating a default file", []), File = filename:join(Dir, "context.conf"), case file:open(File, [write]) of {ok, Fid} -> ok = io:format(Fid, "~s\n", [context_header()]), ok = io:format(Fid, "%% The default context\n\"\".\n", []), - file:close(Fid); + file:close(Fid), + []; {error, Reason} -> file:delete(File), error({failed_creating_file, File, Reason}) @@ -196,10 +189,44 @@ check_context(Context) -> %% Agent %% {Name, Value}. %%----------------------------------------------------------------- -check_agent({intAgentIpAddress, Value}) -> - snmp_conf:check_ip(Value); -check_agent({intAgentUDPPort, Value}) -> - snmp_conf:check_integer(Value); +check_agent(Entry, undefined) -> + check_agent(Entry, {snmp_target_mib:default_domain(), undefined}); +check_agent({intAgentTransportDomain, Domain}, {_, Port}) -> + {snmp_conf:check_domain(Domain), {Domain, Port}}; +check_agent({intAgentUDPPort, Port}, {Domain, _}) -> + ok = snmp_conf:check_port(Port), + {ok, {Domain, Port}}; +check_agent({intAgentIpAddress, _}, {_, undefined}) -> + error({missing_mandatory, intAgentUDPPort}); +check_agent({intAgentIpAddress = Tag, Ip} = Entry, {Domain, Port} = State) -> + {case snmp_conf:check_ip(Domain, Ip) of + ok -> + [Entry, + {intAgentTransports, [{Domain, {Ip, Port}}]}]; + {ok, FixedIp} -> + [{Tag, FixedIp}, + {intAgentTransports, [{Domain, {FixedIp, Port}}]}] + end, State}; +check_agent({intAgentTransports = Tag, Transports}, {_, Port} = State) -> + CheckedTransports = + [case + case Port of + undefined -> + snmp_conf:check_address(Domain, Address); + _ -> + snmp_conf:check_address(Domain, Address, Port) + end + of + ok -> + Transport; + {ok, FixedAddress} -> + {Domain, FixedAddress} + end + || {Domain, Address} = Transport <- Transports], + {{ok, {Tag, CheckedTransports}}, State}; +check_agent(Entry, State) -> + {check_agent(Entry), State}. + %% This one is kept for backwards compatibility check_agent({intAgentMaxPacketSize, Value}) -> snmp_conf:check_packet_size(Value); @@ -210,6 +237,14 @@ check_agent({snmpEngineID, Value}) -> check_agent(X) -> error({invalid_agent_attribute, X}). +%% Ordering function to sort intAgentTransportDomain first +%% hence before intAgentIpAddress. Sort other entries on the key. +order_agent(EntryA, EntryB) -> + snmp_conf:keyorder( + 1, EntryA, EntryB, + [intAgentTransportDomain, intAgentUDPPort | sort]). + + maybe_create_table(Name) -> case snmpa_local_db:table_exists(db(Name)) of @@ -382,6 +417,14 @@ intAgentUDPPort(Op) -> intAgentIpAddress(Op) -> snmp_generic:variable_func(Op, db(intAgentIpAddress)). +intAgentTransportDomain(Op) -> + snmp_generic:variable_func(Op, db(intAgentTransportDomain)). + +intAgentTransports(Op) -> + snmp_generic:variable_func(Op, db(intAgentTransports)). + + + snmpEngineID(print) -> VarAndValue = [{snmpEngineID, snmpEngineID(get)}], snmpa_mib_lib:print_variables(VarAndValue); |