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-rw-r--r--lib/tftp/src/tftp_logger.erl99
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diff --git a/lib/tftp/src/tftp_logger.erl b/lib/tftp/src/tftp_logger.erl
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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2008-2016. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+%%
+-module(tftp_logger).
+
+%%-------------------------------------------------------------------
+%% Interface
+%%-------------------------------------------------------------------
+
+%% public functions
+-export([
+ error_msg/2,
+ warning_msg/2,
+ info_msg/2
+ ]).
+
+-export([behaviour_info/1]).
+
+behaviour_info(callbacks) ->
+ [{error_msg, 2}, {warning_msg, 2}, {info_msg, 2}];
+behaviour_info(_) ->
+ undefined.
+
+%%-------------------------------------------------------------------
+%% error_msg(Format, Data) -> ok | exit(Reason)
+%%
+%% Format = string()
+%% Data = [term()]
+%% Reason = term()
+%%
+%% Log an error message
+%%-------------------------------------------------------------------
+
+error_msg(Format, Data) ->
+ {Format2, Data2} = add_timestamp(Format, Data),
+ error_logger:error_msg(Format2, Data2).
+
+%%-------------------------------------------------------------------
+%% warning_msg(Format, Data) -> ok | exit(Reason)
+%%
+%% Format = string()
+%% Data = [term()]
+%% Reason = term()
+%%
+%% Log a warning message
+%%-------------------------------------------------------------------
+
+warning_msg(Format, Data) ->
+ {Format2, Data2} = add_timestamp(Format, Data),
+ error_logger:warning_msg(Format2, Data2).
+
+%%-------------------------------------------------------------------
+%% info_msg(Format, Data) -> ok | exit(Reason)
+%%
+%% Format = string()
+%% Data = [term()]
+%% Reason = term()
+%%
+%% Log an info message
+%%-------------------------------------------------------------------
+
+info_msg(Format, Data) ->
+ {Format2, Data2} = add_timestamp(Format, Data),
+ io:format(Format2, Data2).
+
+%%-------------------------------------------------------------------
+%% Add timestamp to log message
+%%-------------------------------------------------------------------
+
+add_timestamp(Format, Data) ->
+ Time = erlang:timestamp(),
+ {{_Y, _Mo, _D}, {H, Mi, S}} = calendar:now_to_universal_time(Time),
+ %% {"~p-~s-~sT~s:~s:~sZ,~6.6.0w tftp: " ++ Format ++ "\n",
+ %% [Y, t(Mo), t(D), t(H), t(Mi), t(S), MicroSecs | Data]}.
+ {"~s:~s:~s tftp: " ++ Format, [t(H), t(Mi), t(S) | Data]}.
+
+%% Convert 9 to "09".
+t(Int) ->
+ case integer_to_list(Int) of
+ [Single] -> [$0, Single];
+ Multi -> Multi
+ end.