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mirror of https://github.com/processone/ejabberd.git synced 2024-11-22 16:20:52 +01:00

Add fractions of seconds to <delay/> timestamps

Include fractions of a second with XEP-0203 <delay/> timestamps, as
specified in XEP-0082.

	Old timestamp: 2014-05-19T11:55:00Z
	New timestamp: 2014-05-19T11:55:00.123Z
This commit is contained in:
Holger Weiss 2014-12-11 23:11:35 +01:00
parent a78a0a65fe
commit 0a19dac4fd

View File

@ -622,8 +622,7 @@ add_delay_info(El, From, Time, Desc, Name, XMLNS) ->
case xml:get_subtag_with_xmlns(El, Name, XMLNS) of
false ->
%% Add new tag
DelayTag = create_delay_tag(calendar:now_to_universal_time(Time),
From, Desc, XMLNS),
DelayTag = create_delay_tag(Time, From, Desc, XMLNS),
xml:append_subtags(El, [DelayTag]);
DelayTag ->
%% Update existing tag
@ -648,16 +647,16 @@ add_delay_info(El, From, Time, Desc, Name, XMLNS) ->
xml:append_subtags(NewEl, [NewDelayTag])
end.
-spec create_delay_tag(calendar:datetime(), jid() | binary(),
binary(), binary()) -> xmlel() | error.
-spec create_delay_tag(erlang:timestamp(), jid() | binary(), binary(),
binary()) -> xmlel() | error.
create_delay_tag(DateTime, FromJID, Desc, XMLNS) when is_tuple(FromJID) ->
create_delay_tag(TimeStamp, FromJID, Desc, XMLNS) when is_tuple(FromJID) ->
From = jlib:jid_to_string(FromJID),
{Name, Stamp} = case XMLNS of
?NS_DELAY ->
{T, Tz} = timestamp_to_iso(DateTime, utc),
{<<"delay">>, <<T/binary, Tz/binary>>};
{<<"delay">>, now_to_utc_string(TimeStamp, 3)};
?NS_DELAY91 ->
DateTime = calendar:now_to_universal_time(TimeStamp),
{<<"x">>, timestamp_to_iso(DateTime)}
end,
Children = case Desc of
@ -710,13 +709,19 @@ timestamp_to_iso({{Year, Month, Day},
-spec now_to_utc_string(erlang:timestamp()) -> binary().
now_to_utc_string({MegaSecs, Secs, MicroSecs}) ->
now_to_utc_string({MegaSecs, Secs, MicroSecs}, 6).
-spec now_to_utc_string(erlang:timestamp(), 1..6) -> binary().
now_to_utc_string({MegaSecs, Secs, MicroSecs}, Precision) ->
{{Year, Month, Day}, {Hour, Minute, Second}} =
calendar:now_to_universal_time({MegaSecs, Secs,
MicroSecs}),
list_to_binary(io_lib:format("~4..0w-~2..0w-~2..0wT~2..0w:~2..0w:~2..0w.~6."
FracOfSec = round(MicroSecs / math:pow(10, 6 - Precision)),
list_to_binary(io_lib:format("~4..0w-~2..0w-~2..0wT~2..0w:~2..0w:~2..0w.~*."
".0wZ",
[Year, Month, Day, Hour, Minute, Second,
MicroSecs])).
Precision, FracOfSec])).
-spec now_to_local_string(erlang:timestamp()) -> binary().