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-rw-r--r--lib/snmp/src/misc/snmp_misc.erl118
1 files changed, 115 insertions, 3 deletions
diff --git a/lib/snmp/src/misc/snmp_misc.erl b/lib/snmp/src/misc/snmp_misc.erl
index 1f847b7a29..0cc04d4056 100644
--- a/lib/snmp/src/misc/snmp_misc.erl
+++ b/lib/snmp/src/misc/snmp_misc.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2019. 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.
@@ -64,8 +64,18 @@
strip_extension_from_filename/2,
str_xor/2,
time/3,
-
- verify_behaviour/2
+
+ verify_behaviour/2,
+
+ %% These are used both for debugging (verbosity printouts)
+ %% and other such "utility" operations.
+ format_timestamp/1, format_timestamp/2,
+ format_short_timestamp/1, format_short_timestamp/2,
+ format_long_timestamp/1, format_long_timestamp/2,
+ formated_timestamp/0,
+ formated_short_timestamp/0,
+ formated_long_timestamp/0
+
]).
@@ -112,6 +122,108 @@ now(sec) ->
erlang:monotonic_time(seconds).
+
+%% ---------------------------------------------------------------------------
+%% # formated_timstamp/0, formated_timstamp/1
+%% # format_short_timstamp/0, format_short_timstamp/1
+%% # format_long_timstamp/0, format_long_timstamp/1
+%%
+%% Create a formatted timestamp. Short means that it will not include
+%% the date in the formatted timestamp. Also it will only include millis.
+%% ---------------------------------------------------------------------------
+
+formated_timestamp() ->
+ formated_long_timestamp().
+
+formated_short_timestamp() ->
+ format_short_timestamp(os:timestamp()).
+
+formated_long_timestamp() ->
+ format_long_timestamp(os:timestamp()).
+
+
+%% ---------------------------------------------------------------------------
+%% # format_timstamp/1, format_timstamp/2
+%% # format_short_timstamp/1, format_short_timstamp/2
+%% # format_long_timstamp/1, format_long_timstamp/2
+%%
+%% Formats the provided timestamp. Short means that it will not include
+%% the date in the formatted timestamp.
+%% ---------------------------------------------------------------------------
+
+-spec format_timestamp(Now :: os:timestamp()) ->
+ string().
+
+format_timestamp(Now) ->
+ format_long_timestamp(Now).
+
+-spec format_short_timestamp(Now :: os:timestamp()) ->
+ string().
+
+format_short_timestamp(Now) ->
+ N2T = fun(N) -> calendar:now_to_local_time(N) end,
+ format_timestamp(short, Now, N2T).
+
+-spec format_long_timestamp(Now :: os:timestamp()) ->
+ string().
+
+format_long_timestamp(Now) ->
+ N2T = fun(N) -> calendar:now_to_local_time(N) end,
+ format_timestamp(long, Now, N2T).
+
+-spec format_timestamp(Now :: os:timestamp(),
+ N2T :: function()) ->
+ string().
+
+format_timestamp(Now, N2T) when is_tuple(Now) andalso is_function(N2T) ->
+ format_long_timestamp(Now, N2T).
+
+-spec format_short_timestamp(Now :: os:timestamp(),
+ N2T :: function()) ->
+ string().
+
+format_short_timestamp(Now, N2T) when is_tuple(Now) andalso is_function(N2T) ->
+ format_timestamp(short, Now, N2T).
+
+-spec format_long_timestamp(Now :: os:timestamp(),
+ N2T :: function()) ->
+ string().
+
+format_long_timestamp(Now, N2T) when is_tuple(Now) andalso is_function(N2T) ->
+ format_timestamp(long, Now, N2T).
+
+format_timestamp(Format, {_N1, _N2, N3} = Now, N2T) ->
+ {Date, Time} = N2T(Now),
+ do_format_timestamp(Format, Date, Time, N3).
+ %% case Format of
+ %% short ->
+ %% do_format_short_timestamp(Time, N3);
+ %% long ->
+ %% do_format_long_timestamp(Date, Time, N3)
+ %% end.
+
+do_format_timestamp(short, Date, Time, N3) ->
+ do_format_short_timestamp(Time, N3);
+do_format_timestamp(long, Date, Time, N3) ->
+ do_format_long_timestamp(Date, Time, N3).
+
+do_format_long_timestamp(Date, Time, N3) ->
+ {YYYY,MM,DD} = Date,
+ {Hour,Min,Sec} = Time,
+ FormatDate =
+ io_lib:format("~.4w-~.2.0w-~.2.0w ~.2.0w:~.2.0w:~.2.0w.~.3.0w",
+ [YYYY, MM, DD, Hour, Min, Sec, N3 div 1000]),
+ lists:flatten(FormatDate).
+
+do_format_short_timestamp(Time, N3) ->
+ {Hour,Min,Sec} = Time,
+ FormatDate =
+ io_lib:format("~.2.0w:~.2.0w:~.2.0w.~.3.0w",
+ [Hour, Min, Sec, N3 div 1000]),
+ lists:flatten(FormatDate).
+
+
+
is_crypto_supported(Alg) ->
%% The 'try catch' handles the case when 'crypto' is
%% not present in the system (or not started).