diff options
Diffstat (limited to 'lib/snmp/src')
-rw-r--r-- | lib/snmp/src/agent/snmp_view_based_acm_mib.erl | 29 | ||||
-rw-r--r-- | lib/snmp/src/agent/snmpa_agent.erl | 16 | ||||
-rw-r--r-- | lib/snmp/src/agent/snmpa_vacm.erl | 34 | ||||
-rw-r--r-- | lib/snmp/src/app/snmp.appup.src | 36 |
4 files changed, 85 insertions, 30 deletions
diff --git a/lib/snmp/src/agent/snmp_view_based_acm_mib.erl b/lib/snmp/src/agent/snmp_view_based_acm_mib.erl index 37f6dd3f26..2cee91b081 100644 --- a/lib/snmp/src/agent/snmp_view_based_acm_mib.erl +++ b/lib/snmp/src/agent/snmp_view_based_acm_mib.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2011. All Rights Reserved. +%% Copyright Ericsson AB 1999-2012. 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 @@ -203,18 +203,16 @@ init_sec2group_table([Row | T]) -> init_sec2group_table(T); init_sec2group_table([]) -> true. -init_access_table([{GN, Prefix, Model, Level, Row} | T]) -> -%% ?vtrace("init access table: " -%% "~n GN: ~p" -%% "~n Prefix: ~p" -%% "~n Model: ~p" -%% "~n Level: ~p" -%% "~n Row: ~p",[GN, Prefix, Model, Level, Row]), - Key = [length(GN) | GN] ++ [length(Prefix) | Prefix] ++ [Model, Level], - snmpa_vacm:insert([{Key, Row}], false), - init_access_table(T); -init_access_table([]) -> - snmpa_vacm:dump_table(). +make_access_key(GN, Prefix, Model, Level) -> + [length(GN) | GN] ++ [length(Prefix) | Prefix] ++ [Model, Level]. + +make_access_entry({GN, Prefix, Model, Level, Row}) -> + Key = make_access_key(GN, Prefix, Model, Level), + {Key, Row}. + +init_access_table(TableData) -> + TableData2 = [make_access_entry(E) || E <- TableData], + snmpa_vacm:insert(TableData2, true). init_view_table([Row | T]) -> %% ?vtrace("init view table: " @@ -276,10 +274,7 @@ add_access(GroupName, Prefix, SecModel, SecLevel, Match, RV, WV, NV) -> Match, RV, WV, NV}, case (catch check_vacm(Access)) of {ok, {vacmAccess, {GN, Pref, SM, SL, Row}}} -> - Key1 = [length(GN) | GN], - Key2 = [length(Pref) | Pref], - Key3 = [SM, SL], - Key = Key1 ++ Key2 ++ Key3, + Key = make_access_key(GN, Pref, SM, SL), snmpa_vacm:insert([{Key, Row}], false), snmpa_agent:invalidate_ca_cache(), {ok, Key}; diff --git a/lib/snmp/src/agent/snmpa_agent.erl b/lib/snmp/src/agent/snmpa_agent.erl index 46c634969d..d3eeca2290 100644 --- a/lib/snmp/src/agent/snmpa_agent.erl +++ b/lib/snmp/src/agent/snmpa_agent.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1996-2011. All Rights Reserved. +%% Copyright Ericsson AB 1996-2012. 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 @@ -934,6 +934,7 @@ handle_info({'EXIT', Pid, Reason}, S) -> end, {noreply, S} end; + handle_info({'DOWN', Ref, process, Pid, {mibs_cache_reply, Reply}}, #state{mibs_cache_request = {Pid, Ref, From}} = S) -> ?vlog("reply from the mibs cache request handler (~p): ~n~p", @@ -1283,27 +1284,27 @@ handle_call({me_of, Oid}, _From, S) -> {reply, Reply, S}; handle_call(get_log_type, _From, S) -> - ?vlog("get_log_type", []), + ?vlog("handle_call(get_log_type) -> entry with", []), Reply = handle_get_log_type(S), {reply, Reply, S}; handle_call({set_log_type, NewType}, _From, S) -> - ?vlog("set_log_type -> " + ?vlog("handle_call(set_log_type) -> entry with" "~n NewType: ~p", [NewType]), Reply = handle_set_log_type(S, NewType), {reply, Reply, S}; handle_call(get_request_limit, _From, S) -> - ?vlog("get_request_limit", []), + ?vlog("handle_call(get_request_limit) -> entry with", []), Reply = handle_get_request_limit(S), {reply, Reply, S}; handle_call({set_request_limit, NewLimit}, _From, S) -> - ?vlog("set_request_limit -> " + ?vlog("handle_call(set_request_limit) -> entry with" "~n NewLimit: ~p", [NewLimit]), Reply = handle_set_request_limit(S, NewLimit), {reply, Reply, S}; - + handle_call(stop, _From, S) -> {stop, normal, ok, S}; @@ -3859,6 +3860,7 @@ mapfoldl(F, Eas, Accu0, [Hd|Tail]) -> {Accu2,[R|Rs]}; mapfoldl(_F, _Eas, Accu, []) -> {Accu,[]}. + %%----------------------------------------------------------------- %% Runtime debugging of the agent. %%----------------------------------------------------------------- @@ -3983,7 +3985,7 @@ handle_set_request_limit(_, _) -> {error, not_supported}. -agent_info(#state{worker = W, set_worker = SW}) -> +agent_info(#state{worker = W, set_worker = SW}) -> case (catch get_agent_info(W, SW)) of Info when is_list(Info) -> Info; diff --git a/lib/snmp/src/agent/snmpa_vacm.erl b/lib/snmp/src/agent/snmpa_vacm.erl index 892dc265f1..2cbc11d280 100644 --- a/lib/snmp/src/agent/snmpa_vacm.erl +++ b/lib/snmp/src/agent/snmpa_vacm.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1999-2010. All Rights Reserved. +%% Copyright Ericsson AB 1999-2012. 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 @@ -266,9 +266,10 @@ dump_table(true) -> dump_table(_) -> ok. + dump_table() -> [{_, FName}] = ets:lookup(snmp_agent_table, snmpa_vacm_file), - TmpName = FName ++ ".tmp", + TmpName = unique_table_name(FName), case ets:tab2file(snmpa_vacm, TmpName) of ok -> case file:rename(TmpName, FName) of @@ -283,6 +284,35 @@ dump_table() -> [FName, Reason]) end. +%% This little thing is an attempt to create a "unique" filename +%% in order to minimize the risk of two processes at the same +%% time dumping the table. +unique_table_name(Pre) -> + %% We want something that is guaranteed to be unique, + %% therefor we use erlang:now() instead of os:timestamp() + unique_table_name(Pre, erlang:now()). + +unique_table_name(Pre, {_A, _B, C} = Now) -> + {Date, Time} = calendar:now_to_datetime(Now), + {YYYY, MM, DD} = Date, + {Hour, Min, Sec} = Time, + FormatDate = + io_lib:format("~.4w~.2.0w~.2.0w_~.2.0w~.2.0w~.2.0w_~w", + [YYYY, MM, DD, Hour, Min, Sec, round(C/1000)]), + unique_table_name2(Pre, FormatDate). + +unique_table_name2(Pre, FormatedDate) -> + PidPart = unique_table_name_pid(), + lists:flatten(io_lib:format("~s.~s~s.tmp", [Pre, PidPart, FormatedDate])). + +unique_table_name_pid() -> + case string:tokens(pid_to_list(self()), [$<,$.,$>]) of + [A, B, C] -> + A ++ B ++ C ++ "."; + _ -> + "" + end. + %%----------------------------------------------------------------- %% Alg. diff --git a/lib/snmp/src/app/snmp.appup.src b/lib/snmp/src/app/snmp.appup.src index 4743f75cfd..589b728dc5 100644 --- a/lib/snmp/src/app/snmp.appup.src +++ b/lib/snmp/src/app/snmp.appup.src @@ -24,17 +24,25 @@ [ {"4.21.4", [ - {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []} + {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []}, + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, + {update, snmpa_agent, soft, soft_purge, soft_purge, []} ] }, {"4.21.3", [ {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []}, - {update, snmpa_local_db, soft, soft_purge, soft_purge, []} + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, + {update, snmpa_local_db, soft, soft_purge, soft_purge, []}, + {update, snmpa_agent, soft, soft_purge, soft_purge, []} ] }, {"4.21.2", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -45,6 +53,8 @@ }, {"4.21.1", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -56,6 +66,8 @@ }, {"4.21", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -68,6 +80,7 @@ }, {"4.20.1", [ + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, {load_module, snmp_target_mib, soft_purge, soft_purge, []}, @@ -94,6 +107,7 @@ }, {"4.20", [ + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, @@ -125,17 +139,25 @@ [ {"4.21.4", [ - {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []} + {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []}, + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, + {update, snmpa_agent, soft, soft_purge, soft_purge, []} ] }, {"4.21.3", [ {load_module, snmp_generic_mnesia, soft_purge, soft_purge, []}, - {update, snmpa_local_db, soft, soft_purge, soft_purge, []} + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, + {update, snmpa_local_db, soft, soft_purge, soft_purge, []}, + {update, snmpa_agent, soft, soft_purge, soft_purge, []} ] }, {"4.21.2", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -146,6 +168,8 @@ }, {"4.21.1", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -157,6 +181,8 @@ }, {"4.21", [ + {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_mpd, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, @@ -169,6 +195,7 @@ }, {"4.20.1", [ + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, {load_module, snmp_target_mib, soft_purge, soft_purge, []}, @@ -195,6 +222,7 @@ }, {"4.20", [ + {load_module, snmpa_vacm, soft_purge, soft_purge, []}, {load_module, snmpa_set_lib, soft_purge, soft_purge, []}, {load_module, snmpa_trap, soft_purge, soft_purge, []}, {load_module, snmp_view_based_acm_mib, soft_purge, soft_purge, []}, |