diff options
Diffstat (limited to 'lib/snmp/src/misc/snmp_misc.erl')
| -rw-r--r-- | lib/snmp/src/misc/snmp_misc.erl | 112 |
1 files changed, 109 insertions, 3 deletions
diff --git a/lib/snmp/src/misc/snmp_misc.erl b/lib/snmp/src/misc/snmp_misc.erl index 1f847b7a29..39254503ac 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 +122,102 @@ 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 :: erlang:timestamp()) -> + string(). + +format_timestamp(Now) -> + format_long_timestamp(Now). + +-spec format_short_timestamp(Now :: erlang: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 :: erlang: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 :: erlang: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 :: erlang: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 :: erlang: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). + +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). |