From 768a6d38597b8bedf6551ad2e6472b2965765dd2 Mon Sep 17 00:00:00 2001 From: Raimo Niskanen Date: Wed, 9 Apr 2014 10:29:00 +0200 Subject: Rewrite agent configuration parsing --- lib/snmp/src/agent/snmp_target_mib.erl | 172 +++++++++++++++++++++++---------- 1 file changed, 119 insertions(+), 53 deletions(-) (limited to 'lib/snmp/src/agent/snmp_target_mib.erl') diff --git a/lib/snmp/src/agent/snmp_target_mib.erl b/lib/snmp/src/agent/snmp_target_mib.erl index b01d536caa..6dd3b6e23a 100644 --- a/lib/snmp/src/agent/snmp_target_mib.erl +++ b/lib/snmp/src/agent/snmp_target_mib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1998-2012. All Rights Reserved. +%% Copyright Ericsson AB 1998-2014. 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 @@ -133,18 +133,22 @@ do_reconfigure(Dir) -> read_target_config_files(Dir) -> ?vdebug("check target address and parameter config file(s)",[]), - TAGen = fun(_D, _Reason) -> ok end, - TAFilter = fun(Addr) -> Addr end, - TACheck = fun(Entry) -> check_target_addr(Entry) end, - TPGen = fun(_D, _Reason) -> ok end, - TPFilter = fun(Params) -> Params end, - TPCheck = fun(Entry) -> check_target_params(Entry) end, + TAName = "target_addr.conf", + TACheck = fun (Entry, State) -> {check_target_addr(Entry), State} end, + + TPName = "target_params.conf", + TPCheck = fun (Entry, State) -> {check_target_params(Entry), State} end, + + NoGen = fun snmp_conf:no_gen/2, + NoOrder = fun snmp_conf:no_order/2, + NoFilter = fun snmp_conf:no_filter/1, [Addrs, Params] = - snmp_conf:read_files(Dir, - [{TAGen, TAFilter, TACheck, "target_addr.conf"}, - {TPGen, TPFilter, TPCheck, "target_params.conf"}]), + snmp_conf:read_files( + Dir, + [{TAName, NoGen, NoOrder, TACheck, NoFilter}, + {TPName, NoGen, NoOrder, TPCheck, NoFilter}]), {Addrs, Params}. @@ -154,80 +158,142 @@ read_target_config_files(Dir) -> %% TMask, MMS} %%----------------------------------------------------------------- -check_target_addr({Name, Domain, Ip, Udp, Timeout, RetryCount, TagList, - Params, EngineId, TMask, MMS}) -> +check_target_addr( + {Name, Domain, Ip, Udp, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS}) -> % Arity 11 + Address = {Ip, Udp}, + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS); +check_target_addr( + {Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS}) % Arity 10 + when is_atom(Domain) -> + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS); +check_target_addr( + {Name, Ip, Udp, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS}) -> % Arity 10 + Domain = default_domain(), + Address = {Ip, Udp}, + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, TMask, MMS); +check_target_addr( + {Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId}) % Arity 8 + when is_atom(Domain) -> + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId); +check_target_addr( + {Name, Ip, Udp, Timeout, RetryCount, TagList, Params, + EngineId}) -> % Arity 8 + Domain = default_domain(), + Address = {Ip, Udp}, + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId); +%% Use dummy engine id if the old style is found +check_target_addr( + {Name, Domain, Address, Timeout, RetryCount, TagList, Params}) % Arity 7 + when is_atom(Domain) -> + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params); +check_target_addr( + {Name, Ip, Udp, Timeout, RetryCount, TagList, Params}) -> % Arity 7 + Domain = default_domain(), + Address = {Ip, Udp}, + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params); +%% Use dummy engine id if the old style is found +check_target_addr( + {Name, Domain, Address, Timeout, RetryCount, TagList, Params, + TMask, MMS}) % Arity 9 + when is_atom(Domain) -> + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, TMask, MMS); +check_target_addr( + {Name, Ip, Udp, Timeout, RetryCount, TagList, Params, + TMask, MMS}) -> % Arity 9 + Domain = default_domain(), + Address = {Ip, Udp}, + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, TMask, MMS); +check_target_addr(X) -> + error({invalid_target_addr, X}). + +check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params) -> % Arity 7 + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + "dummy"). +%% +check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId) -> % Arity 8 + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, [], 2048). +%% +check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + TMask, MMS) -> % Arity 9 + check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + "dummy", TMask, MMS). +%% +check_target_addr( + Name, Domain, Address, Timeout, RetryCount, TagList, Params, + EngineId, Mask, MMS) -> % Arity 10 ?vtrace("check target address with:" "~n Name: ~s" "~n Domain: ~p" - "~n Ip: ~p" - "~n Udp: ~p" + "~n Address: ~p" "~n Timeout: ~p" "~n RetryCount: ~p" "~n TagList: ~p" "~n Params: ~p" "~n EngineId: ~p" - "~n TMask: ~p" + "~n Mask: ~p" "~n MMS: ~p", - [Name, - Domain, Ip, Udp, + [Name, Domain, Address, Timeout, RetryCount, - TagList, Params, EngineId, TMask, MMS]), + TagList, Params, EngineId, Mask, MMS]), snmp_conf:check_string(Name,{gt,0}), snmp_conf:check_domain(Domain), - snmp_conf:check_ip(Domain, Ip), - snmp_conf:check_integer(Udp, {gt, 0}), + snmp_conf:check_address(Domain, Address), snmp_conf:check_integer(Timeout, {gte, 0}), snmp_conf:check_integer(RetryCount, {gte,0}), snmp_conf:check_string(TagList), snmp_conf:check_string(Params), check_engine_id(EngineId), - TAddress = snmp_conf:mk_taddress(Domain, Ip, Udp), + check_mask(Domain, Mask), TDomain = snmp_conf:mk_tdomain(Domain), - check_tmask(TDomain, TMask, TAddress), + TAddress = snmp_conf:mk_taddress(Domain, Address), + TMask = snmp_conf:mk_taddress(Domain, Mask), snmp_conf:check_packet_size(MMS), ?vtrace("check target address done",[]), Addr = {Name, TDomain, TAddress, Timeout, RetryCount, TagList, Params, ?'StorageType_nonVolatile', ?'RowStatus_active', EngineId, TMask, MMS}, % Values for Augmenting table in SNMP-COMMUNITY-MIB - {ok, Addr}; -check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, - Params, EngineId, TMask, MMS}) -> - Domain = default_domain(), - check_target_addr({Name, - Domain, Ip, Udp, - Timeout, RetryCount, TagList, - Params, EngineId, TMask, MMS}); -check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, Params, - EngineId}) -> - check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, - Params, EngineId, [], 2048}); -%% Use dummy engine id if the old style is found -check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, Params}) -> - check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, - Params, "dummy", [], 2048}); -%% Use dummy engine id if the old style is found -check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, Params, - TMask, MMS}) -> - check_target_addr({Name, Ip, Udp, Timeout, RetryCount, TagList, - Params, "dummy", TMask, MMS}); -check_target_addr(X) -> - error({invalid_target_addr, X}). - + {ok, Addr}. check_engine_id(discovery) -> ok; check_engine_id(EngineId) -> snmp_conf:check_string(EngineId). - -check_tmask(_TDomain, [], _TAddress) -> +check_mask(_Domain, []) -> ok; -check_tmask(TDomain, TMask, TAddress) when length(TMask) =:= length(TAddress) -> - snmp_conf:check_taddress(TDomain, TMask); -check_tmask(_TDomain, TMask, _TAddr) -> - throw({error, {invalid_tmask, TMask}}). - +check_mask(Domain, Mask) -> + try snmp_conf:check_address(Domain, Mask) + catch + {error, {invalid_address, Info}} -> + {error, {invalid_mask, Info}} + end. %%----------------------------------------------------------------- %% TargetParams -- cgit v1.2.3