%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2015-2015. 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(inets_lib).
-export([millisec_passed/1, formated_timestamp/0, format_timestamp/1]).
%% Help function, elapsed milliseconds since T0
millisec_passed({_,_,_} = T0 ) ->
%% OTP 17 and earlier
timer:now_diff(erlang:now(), T0) div 1000;
millisec_passed(T0) ->
%% OTP 18
erlang:convert_time_unit(erlang:monotonic_time() - T0,
native,
micro_seconds) div 1000.
%% Return formated time stamp (e.g. 2015:03:16 10:05:23 1234)
formated_timestamp() ->
format_timestamp( os:timestamp() ).
%% Return formated time stamp (e.g. 2015:03:16 10:05:23 1234)
format_timestamp({_N1, _N2, N3} = Tme) ->
{Date, Time} = calendar:now_to_datetime(Tme),
{YYYY,MM,DD} = Date,
{Hour,Min,Sec} = Time,
FormatDate =
io_lib:format("~.4w:~.2.0w:~.2.0w ~.2.0w:~.2.0w:~.2.0w 4~w",
[YYYY,MM,DD,Hour,Min,Sec,round(N3/1000)]),
lists:flatten(FormatDate).
