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authorErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
committerErlang/OTP <[email protected]>2009-11-20 14:54:40 +0000
commit84adefa331c4159d432d22840663c38f155cd4c1 (patch)
treebff9a9c66adda4df2106dfd0e5c053ab182a12bd /lib/snmp/src/agent/snmpa_error.erl
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The R13B03 release.OTP_R13B03
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2002-2009. 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
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%%
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%%
+%% %CopyrightEnd%
+%%
+-module(snmpa_error).
+
+-behaviour(snmpa_error_report).
+
+
+%%%-----------------------------------------------------------------
+%%% Implements different error mechanisms.
+%%%-----------------------------------------------------------------
+-export([user_err/2, config_err/2]).
+
+
+%%-----------------------------------------------------------------
+%% This function is called when there is an error in a user
+%% supplied item, e.g. instrumentation function.
+%%-----------------------------------------------------------------
+user_err(F, A) ->
+ report_err(user_err, F, A).
+
+
+%%-----------------------------------------------------------------
+%% This function is called when there is a configuration error,
+%% either at startup (in a conf-file) or at run-time (e.g. when
+%% information in the configuration tables are inconsistent.)
+%%-----------------------------------------------------------------
+config_err(F, A) ->
+ report_err(config_err, F, A).
+
+
+%% -----------------------------------------------------------------
+
+
+report_err(Func, Format, Args) ->
+ case report_module() of
+ {ok, Mod} ->
+ (catch Mod:Func(Format, Args));
+ _ ->
+ ok
+ end.
+
+
+
+report_module() ->
+ case (catch ets:lookup(snmp_agent_table, error_report_mod)) of
+ [{error_report_mod, Mod}] ->
+ {ok, Mod};
+ _ ->
+ error
+ end.