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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2008-2015. 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 = inets_time_compat: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.
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